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ASTM C233/C233M-18
Standard Test Method for Air-Entraining Admixtures for Concrete
NORMA vydaná dňa 15.12.2018
Informácie o norme:
Označenie normy: ASTM C233/C233M-18
Dátum vydania normy: 15.12.2018
Kód tovaru: NS-938653
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM C233/C233M-18 :
Keywords:
air content, air-entraining admixture, cement, concrete, pH, residue,, ICS Number Code 91.100.30 (Concrete and concrete products)
Doplňujúce informácie
| Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||
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3.1 This test method is used to develop data for comparison with the requirements of Specification C260/C260M. These tests are based on arbitrary stipulations permitting highly standardized testing in the laboratory, and are not intended to simulate actual job conditions. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||
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1.1 This test method covers the testing of materials proposed for use as air-entraining admixtures in the field. 1.2 The text of this test method references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard. 1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Some values have only SI units because the inch-pound equivalents are not used in practice. Note 1: Sieve size is identified by its standard designation
in Specification E11. The
alternative designation given in parentheses is for information
only and does not represent a different standard sieve
size.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||
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