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ASTM WK31217

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Work Item: ASTM WK31217 - Revision of D4791 - 10 Standard Test Method for Flat Particles, Elongated Particles, or Flat and Elongated Particles in Coarse Aggregate


Active Standard: D4791 - 10

Developed by Subcommittee: D04.51 | Committee D04 Home | Contact Staff Manager



1. Rationale

This work item is intended to make revisions to ASTM D 4791 based on comments received on subcommittee ballot D04.51(01-10) and committee ballot D04(01-10). This includes revision to the weighted average calculation procedure to provide clarification on what to do with any fractions not tested. The revision will also address the use of non-natural aggregates. Re-wording of the significance and use statement will be provided as well.


Keywords

aggregates; coarse aggregates; particle shape; Size/size distribution analysis; Coarse aggregate; Elongated aggregate particles; Flat aggregate particles; Particle analysis--aggregate; Sieve analysis--aggregate ;

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Work Item Status:
Date Initiated:12-06-2010
Technical Contact: Maria Knake

Status: Draft Under Development

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