ASTM C311-04

Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use as a Mineral Admixture in Portland-Cement Concrete

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: SectionsSampling7 CHEMICAL ANALYSISReagents and apparatus10Moisture content11 and 12Loss on ignition13 and 14Silicon dioxide, aluminum oxide, iron oxide, calcium oxide, magnesium oxide, sulfur trioxide, sodium oxide and potassium oxide15Available alkali16 and 17 PHYSICAL TESTSDensity18Fineness19Increase of drying shrinkage of mortar bars20 to 22Soundness23Air-entrainment of mortar24 and 25Strength activity index with portland cement26 to 29Water requirement30Effectiveness of Fly Ash or Natural Pozzolan in Controlling Alkali-Silica Reactions31Effectiveness of Fly Ash or Natural Pozzolan in Contributing to Sulfate Resistance33 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.