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  • ASTM
    C457/C457M-23a Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete
    Edition: 2023
    $144.00
    Unlimited Users per year

Description of ASTM-C457/C457M 2023

ASTM C457/C457M-23a

Historical Standard: Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete




ASTM C457/C457M

Scope


Keywords

air content; air void parameters of hardened concrete; area-prepared surface required; average chord-length of voids; determination of air-void parameters; entrained void; entrapped void; grits for lapping hardened concrete; index point; lapping; length of traverse required; linear-traverse method; microscopical; number of points required; paste-air ratio; paste-air ratio modification; paste content; point-count method (modified); specimen preparation for microscopical analysis; spacing factor; specific surface; void frequency; water void ;


ICS Code

ICS Number Code 91.100.30 (Concrete and concrete products)


DOI: 10.1520/C0457_C0457M-23A



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