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4/1/2020 |
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4/1/2020 |
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Details
1.1 ,These test methods cover the physical testing of gypsum, gypsum plasters, and gypsum concrete.
1.2 ,The test methods appear in the following sections:
| , | Precautions for Physical Tests | 4 | , |
| , | Reagents and Materials | 5 | , |
| , | Free Water | 6 | , |
| , | Fineness | 7 | , |
| , | Normal Consistency of Gypsum Plaster | 8 | , |
| , | Normal Consistency of Gypsum Concrete | 9 | , |
| , | Setting Time | 10 | , |
| , | Setting Time (Temperature Rise Method) | 11 | , |
| , | Compressive Strength | 12 | , |
| , | Density | 13 | , |
1.3 ,The values regarded as standard are either in inch-pound units or SI (metric). The values stated first shall be regarded as the standard. The values given in parentheses are mathematical conversions that are provided for information only and are not considered standard.
1.4 ,The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) are not requirements of the standard.
1.5 ,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. For a specific precautionary statement, see X1.2.1.
1.6 ,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.
Rationale:
These test methods cover the physical testing of gypsum, gypsum plasters, and gypsum concrete. Test methods are detailed for the following: precautions for physical tests, reagents and materials, free water, fineness, normal consistency of gypsum plaster and gypsum concrete, setting time, setting time (temperature rise method), compressive strength, and density. Materials include distilled or deionized water and standard sand. For each test method, the following are specified: significance and use, apparatus, and procedure.
Additional Info
| Author | American Society for Testing and Materials (ASTM International) |
|---|---|
| Committee | C11.01 - Committee C11 on Gypsum and Related Building Materials and Systems |
| Published by | ASTM |
| Document type | Standard |
| Theme | ,Cement. Gypsum. Lime. Mortar |
| ICS | 91.100.10 : Cement. Gypsum. Lime. Mortar
|
| Number of pages | 9 |
| Replace | ASTM C472-99(2014) |
| Set | ASTM Volume 04.01 - Multi-User - Single-Site Online |
| Document history | ,,, |
| Keyword | C472 |
