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<br /> <br /> <br />CTM - ASTM Testing Procedures - for local agency use only <br />Use this CTM - ASTM conversion chart to assist you in determining acceptance test <br />requirements and frequencies, as detailed in Caltrans Construction Manual Chapter 6, <br /> Refer to the Agency, special provisions, contract plans, and applicable <br />standard specifications, for correct sampling and test methods (ASTM-CTM). <br />CTM ASTM Book of <br />Standard <br />s <br />TEST PROCEDURE NOTES <br />504 Air Content of Freshly Mixed Concrete by the Pressure Method <br /> C231 4.02 Air Content of Freshly Mixed Concrete by the Pressure Method <br />515 Relative Mortar Strength of Portland Cement Concrete Sand 1 <br />518 Unit Weight of Fresh Concrete <br /> C138 4.02 Unit Weight, Yield, and Air Content (Gravimetric) of Concrete <br />521 Compressive Strength of Molded Concrete Cylinders <br /> C39 4.02 Compressive Strength of Cylindrical Concrete Specimens <br />523 Flexural Strength of Concrete (using simple beam with <br />center-point loading) <br />1 <br /> C293 4.02 Flexural Strength of Concrete (using simple beam with <br />center-point loading) <br /> <br /> C78 4.02 Flexural Strength of Concrete (using simple beam with <br />third-point loading) <br /> <br />528 Freeze Thaw Resistance of Aggregates in Air-Entrained Concrete 1 <br />529 Proportions of Coarse Aggregate in Fresh Concrete 1 <br />530 Determining the Effect of H2O-Reducing and Set-Retard. Admix. <br />Drying Shrinkage PCC <br />1 <br />533 Ball Penetration in Fresh Portland Cement Concrete <br /> C360 4.03 Ball Penetration in Fresh Portland Cement Concrete <br /> C143 4.02 Slump of Freshly Mixed PCC <br />539 Sampling Fresh Concrete <br /> C172 4.02 Sampling Freshly Mixed Concrete <br />540 Making, Handling, & Storing Concrete Compressive. Test <br />Specimens in the Field <br /> <br /> C31 4.02 Making & Curing Concrete Test Specimens in the Field <br />541 Flow of Grout Mixtures (flow cone method) 1 <br />543 Air Content of Freshly Mixed Concrete by the Volumetric Method <br /> C173 4.02 Air Content of Freshly Mixed Concrete by the Volumetric Method <br />548 Evaluation of Aggregate for Lean Concrete Base (LCB.) 1 <br />  <br />  <br />City Council 21 – 46 9/16/2025