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ASTM WK33879

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Work Item: ASTM WK33879 - Revision of C233 / C233M - 10a Standard Test Method for Air-Entraining Admixtures for Concrete


Active Standard: C233 / C233M - 11

Developed by Subcommittee: C09.23 | Committee C09 Home | Contact Staff Manager



1. Rationale

It was brought to the committees attention that the multiplier in Note 6 of ASTM C 233 is incorrect. As stated in ACI 211.1 (as a note under Table 6.3.6), for a workable mixture with the least favorable combinations of aggregate likely to be used should be 1.1 (10%) and not 1.07 as currently stated in ASTM C 233.


Keywords

air content; air-entraining admixture; cement; concrete; pH; residue; specific gravity; Air entraining admixtures (for concrete); Concrete admixtures;

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Work Item Status:
Date Initiated:06-28-2011
Technical Contact: Wilma Morrison

Status: Draft Under Development

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