ASTM WK44656

    Revision of C470 / C470M - 09 Standard Specification for Molds for Forming Concrete Test Cylinders Vertically

    (What is a Work Item?)

    Active Standard: C470 / C470M - 09

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



    WK44656

    1. Rationale

    Standardized labeling on containers of single-use concrete cylinder molds will clarify their intended use and provide traceability as a part of acceptance testing. Single-use molds can become distorted if stored with their axis in the horizontal position for extended periods. Directional arrows on the containers will provide information for proper orientation in handling and storage, minimizing deformation.


    Keywords

    concrete; molds; test cylinders; Concrete test specimens--specifications; Cylindrical concrete specimens; Molds; Reusable molds; Single-use molds; Testing methods--laboratory instrumentation; Vertical cylindrical molds; Water absorption--aggregate/cement/concrete;
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    01-13-2014

    Technical Contact:
    Benjamin Backus

    Status:
    Draft Under Development