ASTM C 457/C457M : 2016
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete
Hardcopy , PDF
29-01-2024
English
18-04-2017
This test method describes procedures for microscopical determinations of the air content of hardened concrete and of the specific surface, void frequency, spacing factor, and paste-air ratio of the air-void system in hardened concrete.
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