D1231 This test method is under the jurisdiction of ASTM Committee C09 onConcrete and Concrete Aggregates and is the direct responsibility of SubcommitteeC09.20 on Normal Weight Aggregates.Current edition approved Dec. 1, 2009. Published January 2010. Originallyapproved in 1920. Last previous ...
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1.Scope 1.1This specification covers bare hard-drawn round copper-clad steel wire for electrical purposes(Note1).N OTE1—Wire ordered to this specification is not intended for redraw-ing.If wire is desired for this purpose,consult the manufacturer.1.2Four grades of wire are specified...
9、823823/C823M Practice for Examination and Sampling of Hardened Concrete in ConstructionsC1231/C1231M Practice for Use of Unbonded Caps in Determination of Compressive Strength of Hardened ConcreteCylindersC1542/C1542M Test Method for Measuring Length of Concrete Cores2.2 ACI Standards:318Building C...
D1231 This test method is under the jurisdiction of ASTM Committee C09 onConcrete and Concrete Aggregates and is the direct responsibility of SubcommitteeC09.20 on Normal Weight Aggregates.Current edition approved Dec. 1, 2009. Published January 2010. Originallyapproved in 1920. Last previous ...