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ASTM WK38472

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Work Item: ASTM WK38472 - Revision of C138 / C138M - 12 Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete


Active Standard: C138 / C138M - 13

Developed by Subcommittee: C09.60 | Committee C09 Home | Contact Staff Manager



1. Rationale

The purpose of this revision is to more closely align the vibrator requirements in Test Method C138 with those in Practice C31, since most testing agencies will use the same vibrators for both purposes.


Keywords

air content; cement content; concrete; relative yield; unit weight; yield ;

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Work Item Status:
Date Initiated:07-23-2012
Technical Contact: Michael Kesselmayer

Item: 001
Ballot: C09.60 (13-02)
Status: Item Going To Next Ballot Level

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