ASTM International - ASTM C311-02
Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use as a Mineral Admixture in Portland-Cement Concrete
|Publication Date:||10 July 2000|
|ICS Code (Concrete and concrete products):||91.100.30|
1.1 These test methods cover procedures for sampling and testing fly ash and raw or calcined pozzolans for use in portland-cement concrete.
1.2 The procedures appear in the following order:
|Reagents and apparatus||10|
|Moisture content||11 and 12|
|Loss on ignition||13 and 14|
|Silicon dioxide, aluminum oxide, iron oxide, calcium oxide, magnesium oxide, sulfur trioxide, sodium oxide and potassium oxide||15|
|Available alkali||16 and 17|
|Increase of drying shrinkage of mortar bars||20 to 22|
|Air-entrainment of mortar||24 and 25|
|Strength activity index with portland cement||26 to 29|
|Effectiveness of Fly Ash or Natural Pozzolan in Controlling Alkali-Silica Reactions||31|
|Effectiveness of Fly Ash or Natural Pozzolan in Contributing to Sulfate Resistance||33|
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.
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 and health practices and determine the applicability of regulatory limitations prior to use.
1.5 The 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.