ASTM C311-00 - 10.7.2000
 
1. Scope

1.1 These test methods cover procedures for sampling and testing fly ash and raw or calcined pozzolans for use as a mineral admixture in portland-cement concrete.

1.2 The 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, calcium oxide, magnesium oxide, sulfur trioxide, sodium oxide and potassium oxide 15
Available alkali 16 and 17
PHYSICAL TESTS
Density 18
Fineness 19
Increase of drying shrinkage of mortar bars 20 to 22
Soundness 23
Air-entrainment of mortar 24 and 25
Strength activity index with portland cement 26 to 29
Water requirement 30
Effectiveness of Mineral Admixture in Controlling Alkali-Silica Reactions 31

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.

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.

1.4 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.

 
2. Referenced Documents

D4326-21

Standard Test Method for Major and Minor Elements in Coal Ash By X-Ray Fluorescence

C188-26

Standard Test Method for Density and Relative Density of Hydraulic Cement

C1697-26

Standard Specification for Blended Supplementary Cementitious Materials

C1437-26

Standard Test Method for Flow of Hydraulic Cement Mortar

C1012-04

Standard Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Sulfate Solution

C778-26

Standard Specification for Standard Sand

C670-24ae1

Standard Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials (Includes all amendments and changes 2/21/2025).

C618-26

Standard Specification for Coal Ash and Raw or Calcined Natural Pozzolan for Use in Concrete

C150-07

Standard Specification for Portland Cement

C125-26

Standard Terminology Relating to Concrete and Concrete Aggregates

C114-24

Standard Test Methods for Chemical Analysis of Hydraulic Cement

C151-05

Standard Test Method for Autoclave Expansion of Hydraulic Cement

C109/C109M-26a

Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 50 mm [2 in.] Cube Specimens) (Includes all amendments and changes 7/30/2026).

C33-07

Standard Specification for Concrete Aggregates

ACI 201.2R

Guide to Durable Concrete

C226-22

Standard Specification for Air-Entraining Additions for Use in the Manufacture of Air-Entraining Hydraulic Cement

C227-10

Standard Test Method for Potential Alkali Reactivity of Cement-Aggregate Combinations (Mortar-Bar Method) (Withdrawn 2018)

C430-26

Standard Test Method for Fineness of Hydraulic Cement by the 45-µm (No. 325) Sieve

C441-05

Standard Test Method for Effectiveness of Pozzolans or Ground Blast-Furnace Slag in Preventing Excessive Expansion of Concrete Due to the Alkali-Silica Reaction

C604-18(2023)

Standard Test Method for True Specific Gravity of Refractory Materials by Gas-Comparison Pycnometer

C204-26

Standard Test Methods for Fineness of Hydraulic Cement by Air-Permeability Apparatus

C219-25

Standard Terminology Relating to Hydraulic and Other Inorganic Cements

C157/C157M-24e1

Standard Test Method for Length Change of Hardened Hydraulic-Cement Mortar and Concrete (Includes all amendments and changes 10/14/2024).

C185-20

Standard Test Method for Air Content of Hydraulic Cement Mortar

D1426-15(2021)e1

Standard Test Methods for Ammonia Nitrogen In Water (Includes all amendments and changes 12/22/2021).