ASTM WK21191

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Work Item: ASTM WK21191 - Revision of C231 - 08b Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method

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

1. Rationale

Proposed changes to Section 4 and Section 10.

Keywords

air content; calibration; concrete; correction factor; measuring bowl; meter; pressure; pump; unit weight; Aggregate correction factor; Air content--concrete; Calibration--cement/concrete analysis instrumentation; Pressure testing--concrete;

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Work Item Status:
Date Initiated:09-06-2008
Technical Contact: D Gene Daniel

Item: 007
Ballot: C09.60 (09-01)
Status: Negative Votes Need Resolution

Item: 028
Ballot: C09 (09-01)
Status: Ballot Item Approved as C231-2009a and Published

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