ASTM WK40587

    Work Item: ASTM WK40587 - Revision of C1231 / C1231M - 12 Standard Practice for Use of Unbonded Caps in Determination of Compressive Strength of Hardened Concrete Cylinders

    (What is a Work Item?)

    Active Standard: C1231 / C1231M - 13

    Developed by Subcommittee: C09.61 | Committee C09 | Contact Staff Manager

    1. Rationale

    Section 7.3 of this specification contains information for placing and loading a cylindrical concrete specimen into the testing machine. Instructions for specimen placement and loading are more appropriate in C39. This ballot item seeks to remove testing machine instructions from this specification.


    cap; compressive strength; concrete; concrete test; elastomeric; neoprene; pad cap; rubber; unbonded cap;
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    Frances Griffith


    C09 (13-03)

    Ballot Item Approved as C1231/C1231M-2013 and Pending Publication