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Vydáno: 01.12.2023
ASTM C0457_C0457M-23A - Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete
Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete
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Anglicky PDF
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76.28 €
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91.75 €
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76.28 €
| Označení normy: | C0457_C0457M-23A |
| Vydáno: | 01.12.2023 |
| Status: | Active |
| Počet stran: | 18 |
| Sekce: | 04.02 |
| Označení: | 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; specific surface; void frequency; water void ; |