ASTM WK76370

    Revision of C150 / C150M - 20 Standard Specification for Portland Cement

    (What is a Work Item?)

    Active Standard: C150 / C150M - 21

    Developed by Subcommittee: C01.10 | Committee C01 | Contact Staff Manager



    WK76370


    Keywords

    hydraulic cement; portland cement; specification;;

    Rationale

    This item proposed to remove the ASTM C151 autoclave expansion requirement from ASTM C150. Research over several decades have demonstrated its lack of utility. The existing prescriptive limit on MgO is retained to provide adequate assurance of portland cement soundness.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    03-24-2021

    Technical Contact:
    Paul Tennis

    Item:
    001

    Ballot:
    C01 (21-02)

    Status:
    Negative Votes Need Resolution