Withdrawn | Published: 01/01/2023

ASTM C457/C457M-23 Withdrawn

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

Available languages: English

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Detail information

Designation: ASTM C457/C457M-23

Publication date: 01/01/2023

Pages: 17

Note: Withdrawn

Country: American technical standard

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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

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