Astm Concrete Compressive Strength

To construct a building, we have to take care of the quality and strength. ASTM C39/C39M - Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens Published by ASTM on January 1, 2018 This test method covers determination of compressive strength of cylindrical concrete specimens such as molded cylinders and drilled cores. - Pull-off test (ASTM C1583/C1583M) - Ultrasonic pulse velocity (ASTM C597) - Maturity method (ASTM C1074) - Cast-in-place cylinders (ASTM C873/C873M) Most of these tests don't directly measure the compressive strength of the concrete in the structure. ASTM C1609, Standard Test Method for Flexural Performance of Fiber-Reinforced Concrete (Using Beam With Third-Point Loading), is one specification governing the testing of Fiber Reinforced Concrete Beams. Published March 2001. obtain the elasticity & damping properties. It is often specified that this can be achieved after seven days of curing. View the most recent version. C39/C39M Test Method for Compressive Strength of Cylindrical Concrete Specimens. Flexural Strength of Concrete Flexural MR is about 10 to 20 percent of compressive strength depending on the type, size and volume of coarse aggregate used. Type of Flowable: range for psi: Excavatable or Removable 35‐200 psi. Testing for Compressive Strength •Before capping and testing, measure mass of core to obtain estimate of density In 2011 made mandatory •Test in accordance with ASTM C39/39M •If L/D < 1. Other properties of the concrete can be significant for concrete exposed to freeze-thaw conditions, sul-. These samples are casted and cured according to ASTM C31 and tested for compressive strength by a third-party lab at various stages. ) high for a maximum aggregate size up to 50 mm (2 in. 2-14C, "Obtaining and Testing Drilled Cores for Compressive Strength Testing". or fraction thereof, of each concrete class placed in any one day or for each 5,000 sq. What is needed still is an initial measure of rock strength provided by C 0. AASHTO T 22/ASTM C39, Standard Method of Test for Compressive Strength of Cylindrical Concrete Specimens Background Information This standard test method is limited to concrete having a density in excess of 800 kg/m3 (50 lb. Exceeds the requirements of ASTM C 387 Item No. 11 : Variation of compressive strength with mixing ratio Fig. Even cement has voids ranging from 1micron to 10micron. The compression strength of concrete is a measure of the concrete's ability to resist loads which tend to compress it. The development of high performance polycarboxylate polymers and viscosity modifiers have made it possible to create “flowing” concrete without compromising durability, cohesiveness, or compressive strength. The compressive strength of concrete is about 4000 psi. IS: 2185 (Part 1) - 1979 2 and IS: 2185 (Part II)-1983 3 specified Gypsum Plaster capping for concrete Blocks compression testing. The compressive strength of concrete is the most common performance attribute used by the engineer when designing structures. The compressive strength of concrete is the most common performance measure used by the engineer in designing buildings and other structures. (1989) Water Sorptivity of Mortars and Concretes: A Review. View the most recent version. It is the indispensable machine in sand making industry and it is also the most ideal truing machine for mining and construction industries. 7 states that, If the ratio of length to diameter (L/D) of the specimen is 1. For pure compressive strength higher compressive strengths masonry units can be made stronger and cheaper than just dumping in grout. In the case of concrete the compressive strength normally tests out at about 10% of the compressive strength. Today with all the additives and mix designs for different applications, the deciding factors. 2 in ACI 530-88. 5 MPa 6,310 psi Elongation at break ASTM D638-97 2. American Society for Testing Materials ASTM C39/C39M provides Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens, For cube test two types of specimens either cubes of 15 cm X 15 cm X 15 cm or 10cm X 10 cm x 10 cm depending upon the size of aggregate are used. A contractor recently called the Hotline about a project specification on which he wanted to bid. 07) ---- 2,000. The values. View Test Prep - ASTM C39 - C 39M-3 Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. the Compressive Strength and Flexural Strength of PEFRC are studied. Sivakumar [email protected] Smaller the voids in concrete, it becomes less permeable to water and soluble elements. The concrete minimum compressive strength will be specified by the client/designer in a specific format. The compressive strength map would be generated using the employed NDT methods based on the former calibration. The coefficient of determination (R 2) is 0. As per Indian Standards 150mm cubes are used for determining the compressive strength of concrete. Part I, Determining Compressive Strength of Cylindrical Concrete Specimens This part determines compressive strength of cylindrical concrete specimens such as molded cylinders and drilled cores. It covers the reasons you are performing this test, the equipment needed, and the procedure of ASTM C39. org) ASTM D6103, C939, C143, D6023, C1152, D4380, D1556, D2922, D6024, C403, D4832, D1196, D4429 NRMCA Maximum 200 psi compressive strength (at 28 days) Title: Microsoft Word - Guideline for Flowable Fill or CLSM. ELASTOMERIC CONCRETE PROPERTIES TEST METHOD MINIMUM REQUIREMENT Compressive Strength, psi (MPa) ASTM D695 2000 (13. Using cube tests in lieu of cylinder tests q can astm c109 cube tests be used in lieu of astm c39 cylinder tests a mortar cube tests astm c109 could be a good indicator of potential strength, but they should not be the sole basis for evaluating concret. The standard reference uses the formula according to ASTM C-39 / 39M-05. Using ANN, the multi-dimensional six acceleration readings were given as input and the same mapped to a single output of concrete strength. One test from each separate batch. of surface area placed; 2 specimens tested. Cylinders are molded and cured at 60 to 80°F (17 to 27°C) for one day and then moist cured in the laboratory until broken in compression, normally at an age of 7 and 28 days. Insulfoam’s wide range of plain and coated-facer insulation products meet ASTM C578 specifications, providing the same compressive strengths and long-term moisture prevention as competing below-grade insulations. View Test Prep - ASTM C39 - C 39M-3 Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. ASTM International, 2003. ASTM C192 (2003). C1609 requires the use of a closed-loop, servo controlled compression testing machine. OF SAMPLING REMARKS 500 CONCRETE STRUCTURES Portland Cement Air Content T137 DOT-175 10 lbs. 2 Evaluation of Compressive Test Results 17-1 17. 3), contains provisions for determining the compressive strength of a masonry prism: an assemblage made of representative units, mortar and grout (for grouted masonry construction). The unit compressive strength results may also be used to verify compliance with the specified compressive strength of masonry, f' m, when using the unit strength method (ref. A Specified Density Concrete [SDC] called High Strength. Published March 2001. There is a complication though. many factors which control concrete compressive strength. On average, the compressive strength of cylinders tested at the high load rate limit will be 3% greater than cylinders tested at the low load rate limit. The graph of the compressive strength test results can be seen in Fig. 75 or less, correct the. Demonstrating compliance to ASTM C90 "Standard Specification for Load Bearing Concrete Masonry Units. Selvaprakash 2. or [50-mm] cube specimens. 59(6): The size of the test cube shall be 100 mm for concrete with the maximum aggregate size not exceeding 20 mm and shall be 150 mm with the maximum aggregate size exceeding 20 mm. Thank you to my dad for creating the music. ASTM C1314, Standard Test Method for Compressive Strength of Masonry Prisms (ref. These durable frames have total capacities up to 250,000lbf (1,112kN) and the two-stage, oil-immersed pump powers the hydraulic ram mounted in the top crosshead to apply downward compression force. The 40 is the compressive requirement of 40 N/mm² of a crushed 100m concrete core and the 50 is a compressive requirement of 50 N/mm² for a crushed concrete cube. Slump Test: Perform one test on each concrete sample tested for compressive strength. Concrete Cylinder Compression Test SFRC Concrete Cylinder Compression Test (ASTM C39) - Duration: Compressive Strength of Cement Concrete Cubes - Duration:. Though this relationship is not exact, it does provide a reasonable estimate of the concrete's average strength. COURSE OVERVIEW. The same happen with cylindrical concrete sample (ASTM)w. the Compressive Strength and Flexural Strength of PEFRC are studied. Control the density, control the strengths. Test Date Test Age (Days) Diameter (in. Published March 2001. FRC can also be specified based on serviceability to meet specific crack widths instead of the deflection criteria used in ASTM C1609/C1609M. The most common method is to use cylinder cores drilled off the structure. Requirement for producing flowing concrete is defined in ASTM C 1017. (1989) Water Sorptivity of Mortars and Concretes: A Review. ¦ The standard specimen size used to determine the compressive strength of concrete is 152 mm (6 in. Testing Lab: CT HQ - Sacramento Concrete Testing Laboratory Test Method: ASTM C39-17a: Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens Test Release Date: 2020-03-26. 1 MPa) to 2000 psi (13. Magazine , 2017 - September-October , Measuring Compressive Strength , Precast Magazines Tagged With: ASTM , Compressive Strength , standards , testing. Uniaxial Tensile Test: This is direct tension test in which concrete specimen is held at the ends and pulled apart, inducing a uniaxial tensile stresses in it. Exceeds the compressive strength requirements of ASTM C387. The compressive strength of the specimen is. The testing of concrete cores is carried out according to the ASTM Standard C 42. The compressive strength of a material is the force per unit area that it can withstand in compression. Conforms to ASTM C-803 and other International. If the wall is grouted, then the grout simply has to comply with ASTM C476, Specification for Grout for Masonry, or be the same strength as the specified strength of. Concrete coring also enables to evaluate other properties of the Reinforced Concrete Framed Structure by concrete core test. For compression testing of concrete cubes we used an Industrial Series 150LX Model universal testing machine with Partner™ Software and a spherically seated compression platen assembly that met the alignment requirements of the standard. diameter and 12 in. many factors which control concrete compressive strength. (ii) The water is added …. Originally published as C 39. 5) Compression Strength Tests: ASTM C39. One test for 150 cubic yard. Cylinders can be placed horizontally and tested for splitting tensile strength (ASTM C496). 7 states that, If the ratio of length to diameter (L/D) of the specimen is 1. According to GS 2006, Cl. The compressive strength of concrete test is one of the post-test widely doing at the site to find out the compression strength of particular concrete batch. or fraction thereof, of each concrete class placed in any one day or for each 5,000 sq. - Taking the sample (ASTM C172). More compressive strength is found from SC concrete than BC concrete. The slump of fresh concrete was 75 to 100 mm. This alternate approach is mainly used for underground structures and other precast structures. This test method covers determination of compressive strength of cylindrical concrete specimens such as molded cylinders and drilled cores. Cylinders are molded from a sample of fresh concrete, cured in standard conditions and tested at a particular age, as indicated in the specification, usually at 28 days. 75, multiply the measured compressive strength by a strength correction factor 34. It covers the reasons you are performing this test, the equipment needed, and the procedure of ASTM C39. Compressive strength of concrete Blocks or concrete masonry units are required to know the suitability of these in construction works for various purposes. (75 by 150-mm) cylinders. 1 Care must be exercised in the interpretation of the significance of compressive strength determinations by this test method since strength is not a fundamental or. Chapter 4 – Concrete Tex-424-A, Obtaining and Testing Drilled Cores of Concrete Manual of Testing Procedures 6 08/99 - 05/00 Calculations Use the following to calculate the compressive strength: Calculate the compressive strength of each specimen using the computed cross-sectional area based on the average diameter of the specimen. Check out the tools Humboldt offers for your concrete compression testing needs including Humboldt Compression Machines that test up to 500,000 lbs (2,224kN), 3/4HP, 230V, 60Hz. The determination of Compressive Strength Test of Brick is carried out under the specification of ASTM C67-03. The most common method for monitoring the strength of in-situ concrete is the use of field-cured cylinders. Compressive Strength The compressive strength of the repair materials and substrate mortar were determined using 50 mm (2-in) cube as. West Conshohocken, PA: ASTM International. This guide will teach you how to cast concrete cylinders for compressive strength testing. In other words, compressive strength resists being pushed together, whereas tensile strength resists tension (being pulled apart). This test method covers the preparation and testing of molded 3 by 6-in. The program requires a working knowledge of the following ASTM test methods and. Verification of embedded items, wall ties, horizontal and vertical reinforcing. It is limited to concrete having a unit weight in excess of 50 lb/ft3 (800 kg/m3). Annual Book of ASTM Standards 4. Those are ages at which most concrete compressive test specimens are tested. Definition. This test method covers the preparation and testing of molded 3 by 6-in. Reported To: Contractor: Report Distribution: (1) Camp Logan Cement Started: Finished: Test Methods: ASTM C39 The tests were performed in general accordance with applicable ASTM, AASHTO, or DOT test methods. The compressive strength is typically controlled with the ratio of water to cement when forming the concrete, and tensile strength is increased by additives, typically steel, to create reinforced concrete. It is often specified that this can be achieved after seven days of curing. What test conditions affect the results of compressive strength tests of concrete? A. Center-Point Loading Flexural Strength Test. Compressive Strength Testing: Sulfur Capping or Neoprene Pads? but can also be used for concrete strengths up to 12,000psi with proper verification by the user as noted in ASTM C1231 These pads spread the compressive force evenly across specimen surfaces Durometer hardness of neoprene pads must be matched to the design strength range of. The high-strength lightweight-Structural lightweight concrete with a 28-day compressive strength of 6000 psi (40 MPa) or greater. 4 m/s 2 and compressive strength from 16 to 43. The characteristic compressive strength at 28 days of 150mm diameter by 300mm cylinders or that of 150mm cubes may be used as classification. As noted in ASTM C617, sulfur mortar may be used to test. 1 This test method provides standardized procedures for obtaining and testing specimens to determine the compressive, splitting tensile, and flexural strength of in. Tex-418-A, Compressive Strength of Cylindrical Concrete Specimens Section 1 — Overview Texas Department of Transportation 2 06/00-06/08 Section 1 Overview Effective Dates: June 2000-June 2008. 3), contains provisions for determining the compressive strength of a masonry prism: an assemblage made of representative units, mortar and grout (for grouted masonry construction). ASTM C39/C39M-17b Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. 3), contains provisions for determining the compressive strength of a masonry prism: an assemblage made of representative units, mortar and grout (for grouted masonry construction). C1435/C1435M Practice for Molding Roller-Compacted Concrete in Cylinder Molds Using a Vibrating Hammer. Test Date Test Age (Days) Diameter (in. Gilson Compression Testing Machines are the stiffest in the industry and meet or exceed ASTM C39 requirements and ACI 368 recommendations for rigidity. 5 Steps to Mix Calibration: Make a minimum of 17 cylinders; 2 will be used for temperature monitoring while the other specimens will be used for compressive strength breaks. Annual Book of ASTM Standards 4. Compressive strength is tested by breaking cylindrical concrete specimens in a special machine designed to measure this type of strength. For example, as per ASTM C39, a standard test method is given to get the compressive strength of concrete cylinders. which would dictate the compressive strength of concrete. 75 or less, correct the. Quality tests applied to hydraulic concrete such as compressive, tension, and bending strength are used to guarantee proper characteristics of materials. With cylinders, when made and tested according to ASTM C 31, Standard Practice for Making and Curing Concrete Test Specimens in the Field and C 39, Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens, the compression test results indicate the potential strength of the material, not the strength of the concrete in the. Compressive strength of concrete Blocks or concrete masonry units are required to know the suitability of these in construction works for various purposes. Other properties of the concrete can be significant for concrete exposed to freeze-thaw conditions, sul-. A removable chuck and a small pin size facilitate the testing of mortar joints; this is the only system for testing the in-place strength of brick mortar joints. Thank you to my dad for creating the music. The database of compressive strength values used to generate the values in Table 1 and Table 2 was compiled using modern concrete masonry materials, modern test equipment, and current ASTM test procedures, providing a more realistic estimate of masonry compressive strength. - Method of Making and Curing Concrete Test Specimens in the Laboratory (ASTM C192-88). 5 Evaluation Committee 17-2 17. the 28-day prism test values of the 2800 net area compressive strength units. Read More; Compressive strength of concrete cube test,. Concrete Cube Testing is a cost effective test of the compressive strength of hardened concrete at … Get Quote; SECTION 704—CEMENT CONCRETE - PennDOT inspector will witness the compressive strength test s. 7 MPa) and testing at 7 and 28 days. This video shows how the compression strength of concrete (f'c) is measured using a standard cylinder (per ASTM C39). Concrete has relatively high compressive strength (it doesn't crack under weight), but significantly lower tensile strength (it cracks when being pulled). Safe, Quick, and Simple to use it is the most effective method of Concrete Compressive Strength Testing on Site. 1004) ASTM ASTM C 387 • Structural Concrete Mix Attributes • Normal Set Concrete • 4000 PSI @ 28 days Strengths • 1500 PSI @ 3 days • High Early Strength Gain •10 to 12 hr Walk-On Time • 5000 PSI @ 28 days. 1407 COMPRESSIVE STRENGTH OF CYLINDRICAL CONCRETE SPECIMENS ASTM C39 1407. Many agencies use compressive strength of concrete cylinders or cores (AASHTO T-22 or ASTM C39) as an alternative to flexural strength testing (see Figure 3). Factors Affecting the Compressive Strength of Concrete Core Test: 01. Chapter 4 - Concrete Tex-424-A, Obtaining and Testing Drilled Cores of Concrete Manual of Testing Procedures 6 08/99 - 05/00 Calculations Use the following to calculate the compressive strength: Calculate the compressive strength of each specimen using the computed cross-sectional area based on the average diameter of the specimen. Except for the first few days, the rate of strength gain is greater in compression than in tension (flexural). In this study, data of several input parameters such as water, sand, and fly ash contents, and the compressive strength of material as an output were collected from the literature. - Method of Making and Curing Concrete Test Specimens in the Laboratory (ASTM C192-88). 3, which is a compressive strength test of concrete sample with comparison between compressive strength using portland cement and using organic cement. An ASTM designation number identifies a unique version of an ASTM standard. Following processes and calculations are used for measuring compressive strength of cylindrical concrete specimens. cylinders were used for compressive strength testing, while the 3x6-inch (7. A compressive axial load is applied to molded cylinders or cores until failure occurs. Then the cube is to be tested by the Compression Testing Machine after completion of curing period 7 days and 28 days. 2 Evaluation of Compressive Test Results 17-1 17. It is limited to concrete having a unit weight in excess of 50 lb/ft3 (800 kg/m3). Geosynthetic Research Institute. This test method provides standardized procedures for obtaining and testing drilled cores to determine the compressive strength of in-place concrete. 40 (33-11)" (1935). The ratio of the water to cement is the chief factor for determining concrete strength as shown in Fig. 2014-3-12accordance with ASTM C140 Standard Test Method for Table 1Compressive Strength of Masonry Based on the Compressive Strength of Concrete Masonry Units and Type of Mortar Used in Construction ref. Get the price. Sampling of Brick. 746 in Figure 11 a and 0. Daily Temp, F Standard Curing 48h out - moist Outside Avg daily temp. The word specified means here usually a set of guidelines meeting the minimum requirements. Is a non-destructive instrument, cheap, easy to operate Objective To. For designers, compressive strength is one of the most important engineering properties of concrete. When using the recalibrated unit strength table above, a concrete masonry unit complying with the minimum requirements of ASTM C90 and laid in Type S or M mortar produces an assembly compressive strength of 2,000. 1) indicate a minimum specified compressive strength of 2500 psi for structural concrete. Start studying Section 3 ASTM C39/C39M Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. ) high, are sometimes used, but they are not ASTM standardized. Insulfoam’s wide range of plain and coated-facer insulation products meet ASTM C578 specifications, providing the same compressive strengths and long-term moisture prevention as competing below-grade insulations. Our results show that the post-peak behavior of the cubes is. The graph of the compressive strength test results can be seen in Fig. According to the ACI Code Commentary, the tensile strength of normal-weight concrete in flexure is about 10% to 15% of the compressive strength. An ASTM designation number identifies a unique version of an ASTM standard. Concrete mix proportioning, aggregate quality, aggregate gradation, type of cement, mixing and placing method, concrete curing and curing temperature and the most important one is the water cement ratio. reinforced concrete exposed to chlorides 0. Smaller the voids in concrete, it becomes less permeable to water and soluble elements. The grouping of standards included have been selected by the American Concrete Pipe Association and may not be inclusive of all ASTM standards related to the subject. The compressive strength test is an unconfined compression test (confining pressure=0). The compressive strength of concrete is the most common performance attribute which is used by the engineer when designing the structures. slump and air content of fresh concrete shall be determined from each batch of concrete sampled for compressive strength tests. For ASTM C90 concrete block, the assembly compressive strength only increases 250 psi when the mortar is changed from Type N to Type S (from an f' m of 1750 psi to 2000 psi for CMU units with 2000 psi compressive strength). Gilson Compression Testing Machines are the stiffest in the industry and meet or exceed ASTM C39 requirements and ACI 368 recommendations for rigidity. If the ratio of the diameter of the core to the maximum size of aggregate is less than 3 then the reduction in hardened concrete strength is reported. This chapter covers some of the physical properties of lightweight concrete. In actual construction practice, the dead load on the flexural element. It is often specified that this can be achieved after seven days of curing. 02 of the Annual Book of ASTM Standards. standard by ASTM International, 02/01/2020. This guide will teach you how to cast concrete cylinders for compressive strength testing. reinforced concrete exposed to chlorides 0. Structural design standards for reinforced concrete are established by the Building Code and Commentary (ACI 318-11) published by the American Concrete Institute International, and uses strength design (also known as limit state design). Compressive Tests. Concrete has relatively high compressive strength (it doesn't crack under weight), but significantly lower tensile strength (it cracks when being pulled). Prediction of the compressive strength of grout which is proportioned in accordance with ASTM C 476 is difficult because of the many possible combinations of materials, types of materials and construction conditions. Annual Book of ASTM Standards. Geosynthetic Research Institute. Sivakumar [email protected] 00: per set: 12. Those ages are multiples of 7. 4 Compressive strength specimens shall be tested in accordance with ASTM C39. Cement content (bags or lb/yard 3) , Maximum allowable water content, admixtures. Cylinders are molded from a sample of fresh concrete, cured in standard conditions and tested at a particular age, as indicated in the specification, usually at 28 days. 10) Durometer Hardness ASTM D2240 50 BINDER PROPERTIES. Daily Temp, F Standard Curing 48h out - moist Outside Avg daily temp. Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. The compressive strength map would be generated using the employed NDT methods based on the former calibration. Similar rubber performance was seen in compressive and tensile strength tests as reported by (Albano et al. Compressive test cylinders for each design mix shall be made at the Contractor's expense by an independent testing laboratory approved by the Engineer and tested in accordance with the ACI Code and "Method of Test for Compressive Strength of Molded Concrete Cylinders (ASTM C39)" three cylinders will be required for each design mix. 11 : Variation of compressive strength with mixing ratio Fig. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The compressive strength specimens were cured under water are for 3,7,21,28 and 56 days where as permeability specimens were cured for 14,21,28 and 56 days at a room in a temperature of about 200C before being performing the tests. Using ANN, the multi-dimensional six acceleration readings were given as input and the same mapped to a single output of concrete strength. Except for the first few days, the rate of strength gain is greater in compression than in tension (flexural). Mixing and Delivery: Adding water: no water should be added. ASTM C260 – Use of Admixtures in Concrete 10. Published March 2001. The specified strength (f c ’) is the concrete compressive strength used by engineers in the design calculations to determine member sizes and reinforcement details of concrete structures. ASTM Standard Test Method C39: Compressive Strength of Concrete''s compressive strength determines whether the concrete placed in a structure can bear the weight of what''s on top of it, or if it will splinter into a million pieces and cause the structure to collapse. Surface Hardness and Compressive Strength of Concrete - Free download as Powerpoint Presentation (. Abstract: Compressive strength of concrete is the most import ant input data for engineering calculations during the design of reinforced concrete structures. 3 and/or Table 10. (75 by 150-mm) cylinders. This practice has remained generally unchanged since the early 19 th century. View Test Prep - ASTM C39 - C 39M-3 Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. Compressive strength of Concrete and its importance:- As we all know that concrete is a mixture of sand, cement, and aggregate. Demonstrating compliance to ASTM C90 "Standard Specification for Load Bearing Concrete Masonry Units. " Oneonta Block Company concrete masonry units will exceed a 28-day net. Compressive Strength ASTM D695-961 82. The NCMA study findings were published in a report dated July 2, 2012 entitled "Recalibration of the Unit Strength Method for Verifying Compliance with the Specified Compressive Strength of Concrete Masonry" (MR37). A denser concrete generally provides higher strength and fewer amount of voids and porosity. Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more. 10,11 In a concrete having a water/cement ratio lower than 0. Compressive Strength of Concrete Cubes – Lab Test & Procedure Overall Strength of a structure such as flexural resistance and abrasion directly depends upon the compressive strength of concrete. 06a : Uniaxial Compressive Strength of Rock Materials with sample preparation for 170-250mm Diameter Cores. TABLE 2: Strength and Absorption Requirements (ASTM) Minimum Required Net Average Compressive Strength, psi (MPa) Average of 3 units 3000 (20. Magazine , 2017 - September-October , Measuring Compressive Strength , Precast Magazines Tagged With: ASTM , Compressive Strength , standards , testing. Then the cube is to be tested by the Compression Testing Machine after completion of curing period 7 days and 28 days. Where concrete is classified according to compressive strength, Table 7 of BS EN 206 should be used. Compressive Strength Testing: Sulfur Capping or Neoprene Pads? but can also be used for concrete strengths up to 12,000psi with proper verification by the user as noted in ASTM C1231 These pads spread the compressive force evenly across specimen surfaces Durometer hardness of neoprene pads must be matched to the design strength range of. Following presents the strength requirements for the OPC cement as per the ASTM & NS standard at various days; ASTM C 150 Portland Cement Mortar Compressive Strength Specifications in MPa. The required water/cement ratio is determined by strength, durability and finishability. This test method covers the preparation and testing of molded 3 by 6-in. ASTM C39/C39M - Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens Published by ASTM on January 1, 2018 This test method covers determination of compressive strength of cylindrical concrete specimens such as molded cylinders and drilled cores. Define the compressive strength of the concrete Compressive strength is the ability of a material or structure to carry loads on its surface without any breakage or deviation. standard by ASTM International, 07/10/1999. ASTM C39/C39M-17b Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. An example of this is given below: C40/50. ACI 318-14 Chapter 5 Code & Commentary, Approved Version, Revised 2013-01-18 5 132 reinforcement, and development length requirements are not taken as equivalent to normalweight 133 concrete of the same compressive strength. Thank you to my dad for creating the music. 43 W/mK to 1. as the lamda(l/d)value obtained from strength reduced so that the cylindrical strength is 0. This document has been replaced. Please visit the ASTM website for additional standards. 134 135 Two alternative procedures are provided to determine λ. 10) Durometer Hardness ASTM D2240 50 BINDER PROPERTIES. The compressive strength of concrete is about 4000 psi. Definition. The database of compressive strength values used to generate the values in Table 1 and Table 2 was compiled using modern concrete masonry materials, modern test equipment, and current ASTM test procedures, providing a more realistic estimate of masonry compressive strength. the substrate mortar used in evaluating the bond strength is required to have a minimum compressive strength of 31 MPa (4500 psi) at 28 days of age as per ASTM C 882 test method. Traditional method of testing the compressive strength of concrete cores retrieved from a structure can be time-consuming and possibly damaging to the structure when a large. C617- Capping Cylindrical Test Specimens | C1231 - Use of Unbonded Caps in the Determination of Compressive Strength | C39 - Compressive Strength of Cylindrical Concrete Specimens | C78- Flexural Strength of Concrete. - Methods of Obtaining and Testing Drilled Cores and Sawed Beams of Concrete (ASTM C42-87). An ASTM designation number identifies a unique version of an ASTM standard. A compressive axial load is applied to molded cylinders or cores until failure occurs. This can be done by using a new, improved mechanical air-entraining admixture or concrete containing air cells or voids throughout its volume. 7 kg Package Size 50 lb. It is limited to concrete having a density in excess of 800 kg/m 3 [50 lb/ft 3]. The testing is done in a laboratory off-site. For pure compressive strength higher compressive strengths masonry units can be made stronger and cheaper than just dumping in grout. The compressive strength is measured by breaking cylin-drical concrete specimens in a compression-testing machine. It is limited to concrete having a density in excess of 800 kg/m 3 [50 lb/ft 3]. COMPRESSIVE STRENGTH OF CYLINDRICAL. ELASTOMERIC CONCRETE PROPERTIES TEST METHOD MINIMUM REQUIREMENT Compressive Strength, psi (MPa) ASTM D695 2000 (13. This chapter covers some of the physical properties of lightweight concrete. For metals, data sheets often omit compressive strength. The compressive strength of concrete is about 4000 psi. West Conshohocken, PA: ASTM International. pdf Civil Engineering Dimensio n, Vol. in +91 9790 777000. ASTM D1248 – Standard Specification for Corrugated Plastic Pipe 8. A compressive axial load is applied to molded cylinders or cores until failure occurs. To estimate the compressive strength of concrete is necessary in many reinforced concrete structures inspection works. ASTM C39, Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens, specifies that the loading rate fall within 0. Compressive Strength of Concrete The strength of concrete is controlled by the proportioning of cement, coarse and fine aggregates, water, and various admixtures. The compression test measures concrete strength in the hardened state. Compressive Strength The compressive strength of the repair materials and substrate mortar were determined using 50 mm (2-in) cube as. Preparing and testing 4 x 8 concrete cylinders for a compressive strength test in accordance with ASTM C39. China Compression Testing Machine 1000kn Splitting Tensile Test of Concrete ASTM C39, Find details about China Concrete Compression Test, Compressive Strength Tester from Compression Testing Machine 1000kn Splitting Tensile Test of Concrete ASTM C39 - Shenzhen Wance Testing Machine Co. - the most efficient way to navigate the Engineering ToolBox! Typical properties of normal strength Portland cement concrete: Drying shrinkage of reinforced concrete : 2 - 3 x 10-4. Overall Strength of a structure such as flexural resistance and abrasion directly depends upon the compressive strength of concrete. Compressive Strength The main measure of the structural quality of concrete is its compressive strength. Cylindrical specimens are tested in accordance with ASTM C 39, Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. Superplasticizers can also be utilized in producing flowing concrete used in a heavy reinforced structure with inaccessible areas. Unit weight (for light weight concrete). The System performs equally well on standard and high performance concrete. - Pull-off test (ASTM C1583/C1583M) - Ultrasonic pulse velocity (ASTM C597) - Maturity method (ASTM C1074) - Cast-in-place cylinders (ASTM C873/C873M) Most of these tests don't directly measure the compressive strength of the concrete in the structure. The ASTM Manual of Aggregate and Concrete Testing is a helpful reference on this subject. 1 This test method is under the jurisdiction of ASTM Committee C09 on quality control of concrete proportioning, mixing, and placing Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee C09. 16) »Bridge Decks •Concrete batches with temperatures in excess of 90°F will be rejected »Temperature of all concrete must be more than 50°F when placed. Ideal for sidewalks, curbs, steps, ramps, walkways and patios. It is a measure of the maximum stress on the tension face of an unreinforced concrete beam or slab at the point of failure in bending. astm c873/c873m-15 Standard Test Method for Compressive Strength of Concrete Cylinders Cast in Place in Cylindrical Molds 1. has been cited by the following article: TITLE: Relation between Compressive Strength of Baked Clay Cubes and Cylinders. ASTM C-31,C-1107, 31/2" x 31/2" x 7" Grout Testing per ASTM C-1019. The compressive strength of concrete ensures that the delivered concrete mix will meet the requirements of the specific strength as designed by the engineer according to the work specifications and requirements. The preparation and testing of the flowable fill cylinders should be in accordance with ASTM D 4832. 5 Steps to Mix Calibration: Make a minimum of 17 cylinders; 2 will be used for temperature monitoring while the other specimens will be used for compressive strength breaks. org, website: www. It is limited to concrete having a unit weight in excess of 50 lb/ft3 (800 kg/m3). Testing hardened concrete. Compressive strength or compression strength is the capacity of a material or structure to withstand loads tending to reduce size, as opposed to which withstands loads tending to elongate. Compressive strength testing procedures for concrete masonry units and other related products are covered by ASTM C 140, Standard Methods of Sampling and Testing Concrete Masonry Units. Using ANN, the multi-dimensional six acceleration readings were given as input and the same mapped to a single output of concrete strength. This practice has remained generally unchanged since the early 19 th century. ) Strength. On day one, the four ASTM standards are reviewed through a combination of classroom and laboratory instruction. ASTM International, 2003. Cylinders are molded from a sample of fresh concrete, cured in standard conditions and tested at a particular age, as indicated in the specification, usually at 28 days. ASTM C805 – Schmidt Hammer Test for the determination of Compressive Strength of Concrete D. ASTM C1586 Standard Guide for Quality Assurance of Mortars. CIP 9 - Low Concrete Cylinder Strength Strength test results of concrete cylinders are used as the ba-sis of acceptance of ready mixed concrete when a strength requirement is specified. A test result is the average of at least two standard-cured strength specimens made from the same concrete sample and tested at the same age. 5 bag, 6 bag, ect. Factors Affecting the Compressive Strength of Concrete Core Test: 01. American Society for Testing Materials ASTM C39/C39M provides Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens, For cube test two types of specimens either cubes of 15 cm X 15 cm X 15 cm or 10cm X 10 cm x 10 cm depending upon the size of aggregate are used. What ACI standard stipulates the percent of the specified compressive strength that the cylinder must meet in order to pass the compressive strength test at both the 7- and. Compressive strength at 28 days (lab cure sample) B. For metals, data sheets often omit compressive strength. This guide will teach you how to perform compressive strength testing. It is intended to be a supplement to reading the ASTM as well as a study tool for the ACI exam. In cases where the compressive. Ideal for sidewalks, curbs, steps, ramps, walkways and patios. Designed for pouring concrete 2-in thick or more and building or repairing anything out of concrete. ASTM C1609 describes the methodology for testing the flexural strength of rectangular FRC beams with dimensions of either 4 x 4 x 14 inches or 6 x 6 x 20 inches. ASTM C39 (2003). Guide to Evaluation of Strength Test Results of Concrete Reported by ACI Committee 214 ACI 214R-11 Statistical procedures provide valuable tools for evaluating the results of concrete strength tests. It is limited to concrete having a density in excess of 800 kg/m 3 [50 lb/ft 3]. 34 MPa/sec (20 to 50 psi/sec). 3), contains provisions for determining the compressive strength of a masonry prism: an assemblage made of representative units, mortar and grout (for grouted masonry construction). To construct a building, we have to take care of the quality and strength. ASTM C469 testing provides a stress to strain ratio value and a ratio of lateral to longitudinal strain for hardened cylindrical concrete at whatever age and curing conditions may be designated. the substrate mortar used in evaluating the bond strength is required to have a minimum compressive strength of 31 MPa (4500 psi) at 28 days of age as per ASTM C 882 test method. Using cube tests in lieu of cylinder tests q can astm c109 cube tests be used in lieu of astm c39 cylinder tests a mortar cube tests astm c109 could be a good indicator of potential strength, but they should not be the sole basis for evaluating concret. Smaller specimens, such as 102 mm (4 in. Compressive strength of cores extracted from shotcrete test panel at age 1 day (1 core), 7 days (1 core) and 28 days (2 cores) ASTM C1140 ASTM C1604 Early age compressive strength estimate One heading per shift using penetrometer Penetrometer At start of project and with any change in mixture proportions or accelerator type or dosage. 1) indicate a minimum specified compressive strength of 2500 psi for structural concrete. In actual construction practice, the dead load on the flexural element. The compressive strength is calculated from the failure load divided by. It was developed from other types of hydraulic lime in England in the early 19th century by Joseph Aspdin, and usually originates from limestone. 75, multiply the measured compressive strength by a strength correction factor 34. Testing for Compressive Strength •Before capping and testing, measure mass of core to obtain estimate of density In 2011 made mandatory •Test in accordance with ASTM C39/39M •If L/D < 1. Air entraining - C 138, C 173, or C 231. The slump of fresh concrete was 75 to 100 mm. Variation from a conical fracture may indicate a nonstandard testing procedure. 02 of the 2003 Annual Book of ASTM Standa rds, states that the type of fracture may be of assistance in determining the cause for the compr essive strength of a tested cylin der being less than anticipated. The high-strength lightweight-Structural lightweight concrete with a 28-day compressive strength of 6000 psi (40 MPa) or greater. References. It is limited to concrete having a unit weight in excess of 50 lb/ft 3 [800 kg/m 3 ]. The specified strength (f c ’) is the concrete compressive strength used by engineers in the design calculations to determine member sizes and reinforcement details of concrete structures. Digital Concrete Compressive Strength Testing Machine , Find Complete Details about Digital Concrete Compressive Strength Testing Machine,High Quality Concrete Compressive Strength Testing Machine,Digital Concrete Compressive Strength Testing Machine,Concrete Compressive Strength Tester from Testing Equipment Supplier or Manufacturer-Shenzhen Autostrong Instrument Co. MATERIALS TESTING, INC. Compressive Strength of Concrete Cubes – Lab Test & Procedure Overall Strength of a structure such as flexural resistance and abrasion directly depends upon the compressive strength of concrete. According to GS 2006, Cl. The testing of concrete cores is carried out according to the ASTM Standard C 42. place concrete strength, ASTM C 31 provides procedures forfield-curedspecimens. These machines can test the compressive strength of beams, blocks, cubes, cylinders and other various concrete structures. It is limited to concrete having a unit weight in excess of 50 lb/ft 3 [800 kg/m 3 ]. CIP 35 - Testing Compressive Strength of Concrete Concrete compressive strength can vary from 2500 psi (17 MPa) for residential concrete to 4000 psi (28 MPa) and higher in commercial structures. Compressive strength or compression strength is the capacity of a material or structure to withstand loads tending to reduce size, as opposed to which withstands loads tending to elongate. 5) Compression Strength Tests: ASTM C39. 3, which is a compressive strength test of concrete sample with comparison between compressive strength using portland cement and using organic cement. C1435/C1435M Practice for Molding Roller-Compacted Concrete in Cylinder Molds Using a Vibrating Hammer. I have never found a minimum. The compression test measures concrete strength in the hardened state. There is a complication though. The values. Compressive Strength The compressive strength of the repair materials and substrate mortar were determined using 50 mm (2-in) cube as. tall) are also used. This property of concrete is commonly considered in structural design. View the most recent version. Compression strength is the No. The required water/cement ratio is determined by strength, durability and finishability. A mechanical testing machine equipped with the appropriate bend fixture, two displacement transducers, and software capable of controlling the test and recording/analyzing the data is. - the most efficient way to navigate the. 02 of the Annual Book of ASTM Standards. The mechanical properties (compressive strength, flexural strength, modulus of elasticity) of the concrete are presented in Table 4. as the lamda(l/d)value obtained from strength reduced so that the cylindrical strength is 0. com, mainly located in Asia. 1007-80) Crack Resistant (No. Wrong test results can be costly. 2 Net area compressive strength of masonryA psi MPa Net area compressive strength of concrete masonry units psi MPa Type M or S mortar. Compressive strength of Concrete and its importance:- As we all know that concrete is a mixture of sand, cement, and aggregate. 1 SCOPE This method describes the procedure for determining if concrete used in road and bridge construction meets the specified strength requirements. The Effects of Concrete Masonry Unit Moisture Content on Grout Bond and Grout Compressive Strength, MR 11. These samples are cast and cured according to ASTM C31 and tested for compressive strength by a third-party lab at various stages. Concrete compressive strength requirements can vary from 2500 psi (17 MPa) for residential concrete to 4000 psi (28 MPa) and higher in commercial structures. ASTM C109 Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. obtain the elasticity & damping properties. ) high for a maximum aggregate size up to 50 mm (2 in. pptx), PDF File (. ASTM C1314, Standard Test Method for Compressive Strength of Masonry Prisms (ref. This test method provides standardized procedures for obtaining and testing drilled cores to determine the compressive strength of in-place concrete. Sampling of Brick. The compressive strength is measured by breaking cylin-drical concrete specimens in a compression-testing machine. Compressive Strength The main measure of the structural quality of concrete is its compressive strength. Improved and enhanced over thirty years, this modern system is capable of measuring concrete with a maximum compressive strength of 17,000 PSI (110MPA). 1 SCOPE This method describes the procedure for determining if concrete used in road and bridge construction meets the specified strength requirements. AASHTO T 22/ASTM C39, Standard Method of Test for Compressive Strength of Cylindrical Concrete Specimens Background Information This standard test method is limited to concrete having a density in excess of 800 kg/m3 (50 lb. com, mainly located in Asia. The range of acceleration values varied from 0. Compressive strength of concrete is the Strength of hardened concrete measured by the compression test. After preparing the ends, a compressive axial load will be applied to the samples at a continuous rate until failure occurs. Compressive Strength is the stress, in pounds per square inch (psi) that will rupture a stone sample. Compressive strength of concrete. ASTM C39 determines the compressive strength of cylindrical concrete specimens such as molded cylinders and drilled cores. This video shows how the compression strength of concrete (f'c) is measured using a standard cylinder (per ASTM C39). f’c is the specified compressive strength of concrete using standard cylinders of six inches diameter and twelve inches height. Compressive strength is tested by breaking cylindrical concrete specimens in a special machine designed to measure this type of strength. Flexural Tests. The compressive strength of a specimen is calculated by dividing the _____ attained during the test by the _____ of the specimen. 75, multiply the measured compressive strength by a strength correction factor 34. 1006) Fast-Setting (No. Compressive and flexural strength values for expanded polystyrene are based on short-term load conditions in accordance with typical ASTM test standards. The results of this test method are used as a basis for quality control of concrete proportioning, mixing, and placing. This property of concrete is commonly considered in structural design. American Society for Testing and Materials (ASTM): 1. 5 bag, 6 bag, ect. This guide will teach you how to perform compressive strength testing. or 50-mm Cube Specimens) 2. 7 m/s 2 to 136. ASTM C39/C39M-20 Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. A Specified Density Concrete [SDC] called High Strength. Insulfoam’s wide range of plain and coated-facer insulation products meet ASTM C578 specifications, providing the same compressive strengths and long-term moisture prevention as competing below-grade insulations. This property of concrete is commonly considered in structural design. 06a : Uniaxial Compressive Strength of Rock Materials with sample preparation for 170-250mm Diameter Cores. strength obtained is less than the ultimate strength the concrete will attain. NOTE 5—If desired, make allowance for the ratio of height to diameter (h/d) by multiplying the compressive strength of Method B specimens by the factor 1. 4 Evaluation of Questionable In-Place Concrete 17-2 Construction from Core Tests 17. Below this critical value of 0. Compression test specimens - C 31. Flexural Strength of Concrete Flexural MR is about 10 to 20 percent of compressive strength depending on the type, size and volume of coarse aggregate used. ASTM C260 – Use of Admixtures in Concrete 10. Compressive or flexural strength of concrete is easily measured in a number of ways for different types of specimens. The grouping of standards included have been selected by the American Concrete Pipe Association and may not be inclusive of all ASTM standards related to the subject. It consists of a special concrete where the microstructure is optimized by precise gradation of all particles in the mix to yield maximum density. The database of compressive strength values used to generate the values in Table 1 and Table 2 was compiled using modern concrete masonry materials, modern test equipment, and current ASTM test procedures, providing a more realistic estimate of masonry compressive strength. - Method of Making and Curing Concrete Test Specimens in the Laboratory (ASTM C192-88). 50 4000 Concrete with low permeability; exposed to water Select for structural requirements Select for strength, workability, and finishing needs No freeze-thaw, deicers, aggressive substances Exposure condition Min. Magazine , 2017 - September-October , Measuring Compressive Strength , Precast Magazines Tagged With: ASTM , Compressive Strength , standards , testing. 1 Calculate the unit compressive strength of the specimen by dividing the maximum load by the cross-sectional area. 04 W/mK respectively. 40 (33-11)" (1935). Water cement (W/C) ratio has a critical impact on concrete strength characteristic. By comparison Epoxy. Flexural Strength Flexural strength is an indirect measure of the tensile strength of concrete. Compressive Strength The main measure of the structural quality of concrete is its compressive strength. Cylindrical specimens are tested in accordance with ASTM C 39, Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens. (75 by 150-mm) cylinders. Use of I00 mm cubes has its advantages. pptx), PDF File (. 2) Maximum Water Absorption Requirements Weight Classification Oven-Dry Density of Concrete lb/ft³ (kg/m³) Light Weight Less than 105 (1682) 18 (288) Medium Weight. ASTM C42 Core Requirements. 1 SCOPE This method describes the procedure for determining if concrete used in road and bridge construction meets the specified strength requirements. ASTM C1314, Standard Test Method for Compressive Strength of Masonry Prisms (ref. MATERIALS TESTING, INC. Compressive Strength The main measure of the structural quality of concrete is its compressive strength. Comply with referenced standards. In general, the compressive strength of ASTM C 476 grout by proportions will be greater than 2,000 psi (13. The compression strength of concrete is a measure of the concrete's ability to resist loads which tend to compress it. The compressive strength map would be generated using the employed NDT methods based on the former calibration. 4 mm) to 8″ (203. Compressive Strength of Cement This test is carried out to determine the compressive strength of cement. This test method covers the preparation and testing of molded 3 by 6-in. Get the price. the substrate mortar used in evaluating the bond strength is required to have a minimum compressive strength of 31 MPa (4500 psi) at 28 days of age as per ASTM C 882 test method. They measure another property that can be correlated to compressive strength. This is a difficul. Pervious concrete mixes consist of cement, single sized coarse aggregate and water (water/cement ratio ranging 0. Extracted, with permission, from ASTM C39 Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. ASTM C1609 describes the methodology for testing the flexural strength of rectangular FRC beams with dimensions of either 4 x 4 x 14 inches or 6 x 6 x 20 inches. Making and Curing Concrete Test Specimens in the Laboratory (ASTM C192) Determination of Length Change of Concrete Due to Alkali-Silica Reaction (ASTM C1293) Compressive Strength of Lightweight Cellular Concrete (ASTM C495) Asphalt Density of Asphalt Core Samples (ASTM D2726). 438 astm for concrete compressive strength products are offered for sale by suppliers on Alibaba. The compressive strength of the masonry units is the largest factor, by far, in masonry assembly compressive strength. HPLWFC is used in modern concrete technology and extensively in the construction applications of high-rise buildings, long-span concrete structures and road sub-bases among others. The testing is done in a laboratory off-site. As per NS. So to ensure the quality and strength of a material some kind of test has to do in the field like slump test of. 61 on Testing Concrete for Strength. The specified strength (f c ’) is the concrete compressive strength used by engineers in the design calculations to determine member sizes and reinforcement details of concrete structures. VSI5X series crushers are widely used in crushing nonmetal mine, concrete, fireproof material, abrasive filler, frit, construction aggregate, sand, metallurgy and so on. Following presents the strength requirements for the OPC cement as per the ASTM & NS standard at various days; ASTM C 150 Portland Cement Mortar Compressive Strength Specifications in MPa. The Windsor ® HP Probe system rapidly and accurately determines the concrete compressive strength of a structure by driving a probe into the concrete with a known amount of force. COMPRESSION TESTING OF CONCRETE CYLINDERS A ND CORES Rev. Then the cube is to be tested by the Compression Testing Machine after completion of curing period 7 days and 28 days. Compressive Strength The main measure of the structural quality of concrete is its compressive strength. This test method covers determination of compressive strength of cylindrical concrete specimens such as molded cylinders and drilled cores. Compressive strength testing of concrete blocks or bricks in Universal Testing Machine [ UTM ] - Duration: Preparing and testing concrete cylinders (ASTM C39) - Duration: 13:19. Fritz Laboratory Reports. Tex-418-A, Compressive Strength of Cylindrical Concrete Specimens Section 1 — Overview Texas Department of Transportation 2 06/00-06/08 Section 1 Overview Effective Dates: June 2000-June 2008. Type of Flowable: range for psi: Excavatable or Removable 35‐200 psi. 1 MPa) to 2000 psi (13. 42, very fine cement particles can be fully hydrated but only the surface of the coarsest ones. The compressive strength test is an unconfined compression test (confining pressure=0). The proportion is 1:3 which means that (X) gm of cement is mixed with 3(X) gm of sand. There is a complication though. Depending on the mix (especially the water-cement ratio) and time and quality of the curing, compressive strength of concrete can be obtained up to 14,000 psi or more. Shrinkage coefficient = 0. The compressive strength of the specimen is. Concrete Yield Strength, fc’ (psi) Modulus of Elasticity, Ec (ksi) Modulus of Rupture, fr (psi) Class C 4000 3645 480 Class A 3500 3410 450 Class B 3000 3155 415 Notes: 1. Concrete mix proportioning, aggregate quality, aggregate gradation, type of cement, mixing and placing method, concrete curing and curing temperature and the most important one is the water cement ratio. ASTM C192 (2003). These flexural tests (also called Modulus of Rupture tests or Third-Point Loading tests) are performed using concrete beams that have been cast and cured in the field, to. ASTM C578 publishes compressive strength, deformation and dimensional stability values for both EPS & Extruded Polystyrene – XPS. 00 to that. The concrete mixtures incorporate either basalt or crushed limestone, aggregate sizes of 12 mm ('h in.