ASTM C 311/C311M : 2024
Current
The latest, up-to-date edition.
Standard Test Methods for Sampling and Testing Coal Ash or Natural Pozzolans for Use in Concrete
Hardcopy , PDF
English
27-02-2024
Important note : All end users must be registered with an Account prior to user licenses being assigned.| Committee |
C 09
|
| DocumentType |
Test Method
|
| Pages |
11
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
| Supersedes |
1.1These test methods cover procedures for sampling and testing coal ash and raw or calcined pozzolans for use in concrete.
1.2The procedures appear in the following order:
| Sections | |
| Sampling | 7 |
| CHEMICAL ANALYSIS | |
| Reagents and apparatus | 10 |
| Moisture content | 11 and 12 |
| Loss on ignition | 13 and 14 |
| Silicon dioxide, aluminum oxide, iron oxide, | 15 |
| Available alkali | 16 and 17 |
| Ammonia | 18 |
| PHYSICAL TESTS | |
| Density | 19 |
| Fineness | 20 |
| Increase of drying shrinkage of mortar bars | 21 – 23 |
| Soundness | 24 |
| Air-entrainment of mortar | 25 and 26 |
| Strength activity index | 27 – 30 |
| Water requirement | 31 |
| Effectiveness of Coal Ash or Natural Pozzolan in | 32 |
| Effectiveness of Coal Ash or Natural Pozzolan in | 34 |
1.3The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.
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.
1.4This 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.
1.5The text of this standard references notes and footnotes that provide explanatory information. These notes and footnotes (excluding those in tables) shall not be considered as requirements of this standard.
1.6This 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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