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Standard ASTM C457/C457M-23a 1.12.2023 preview

ASTM C457/C457M-23a

Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete (Includes all amendments and changes 1/24/2024).

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STANDARD published on 1.12.2023


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The information about the standard:

Designation standards: ASTM C457/C457M-23a
Publication date standards: 1.12.2023
SKU: NS-1164869
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Concrete and concrete products

Annotation of standard text ASTM C457/C457M-23a :

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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