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ASTM WK20786

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Work Item: ASTM WK20786 - Revision of C989 - 06 Standard Specification for Ground Granulated Blast-Furnace Slag for Use in Concrete and Mortars


Developed by Subcommittee: C09.27 | Committee C09 Home | Contact Staff Manager



1. Rationale

The current specification does not specify that a C 150 Type I or Type II should be used but this was the original intent of the specification. There has recently been a case where someone used a Type III cement. This change is to clarify that a Type I or Type II cement should be used as the reference cement.

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Work Item Status:
Date Initiated:07-25-2008
Technical Contact: Henry Prenger

Item: 007
Ballot: C09 (08-04)
Status: Ballot Item Approved

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