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

The information about the standard:

Designation standards: ASTM C457/C457M-24
Publication date standards: 15.6.2024
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: American technical standard
Kategorie: Technische Normen ASTM

Annotation of standard text ASTM C457/C457M-24 :

Keywords:
air content, air void parameters of hardened concrete, 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