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ASTM C457/C457M-16
Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened ConcreteMore info
1.1 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. Three procedures are described:
1.1.1 Procedure A—Linear-traverse method.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 91.100.30 : Concrete and concrete products |
| Number of pages | 18 |
| Replace | ASTM C457/C457M-12 |
| Set | ASTMVOL0402 |
| Year | 2016 |
| Document history | ASTM C457/C457M-12 |
| Country | USA |
| Keyword | ASTM 457;ASTM C457;ASTM C457;10.1520/C0457_C0457M-16 |