ASTM WK75824

    Revision of C1790 - 15 Standard Specification for Fly Ash Facing Brick

    (What is a Work Item?)

    Active Standard: C1790 - 21

    Developed by Subcommittee: C15.03 | Committee C15 | Contact Staff Manager



    absorption; brick; compressive strength; durability; fly ash; fly ash brick; fly ash facing brick; fly ash masonry units; freeze thaw; linear drying shrinkage;;


    All specifications in C15.03 contain language that aggregate gradations in referenced aggregate standards do not need to apply. This allowance is in place to ensure that producers have the flexibility to utilize gradations that work best for dry-cast production, rather than only those contained within aggregate standards. C1790 contains similar language, but a change to this language in other standards was made to be more concise. The same change is proposed here, which makes C1790 consistent with other specifications (such as C90).

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    Work Item Status

    Date Initiated:

    Technical Contact:
    Edward Freyermuth


    C15 (21-01)

    Ballot Item Approved as C1790-2021 and Pending Publication