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Standard Historical Last Updated: Jan 30, 2017 Track Document
ASTM C311/C311M-13

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

Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use in Portland-Cement Concrete C0311_C0311M-13 ASTM|C0311_C0311M-13|en-US Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use in Portland-Cement Concrete Standard new BOS Vol. 04.02 Committee C09
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Significance and Use

4.1 These test methods are used to develop data for comparison with the requirements of Specification C618 or Specification C1697. These test methods are based on standardized testing in the laboratory and are not intended to simulate job conditions.

4.1.1 Strength Activity Index—The test for strength activity index is used to determine whether fly ash or natural pozzolan results in an acceptable level of strength development when used with hydraulic cement in concrete. Since the test is performed with mortar, the results may not provide a direct correlation of how the fly ash or natural pozzolan will contribute to strength in concrete.

4.1.2 Chemical Tests—The chemical component determinations and the limits placed on each do not predict the performance of a fly ash or natural pozzolan with hydraulic cement in concrete, but collectively help describe composition and uniformity of the material.

Scope

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:


 

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

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 with portland cement

27-30

Water requirement

31

Effectiveness of Fly Ash or Natural Pozzolan in
 Controlling Alkali-Silica Reactions

32

Effectiveness of Fly Ash or Natural Pozzolan in
 Contributing to Sulfate Resistance

34




1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

Note 1—Sieve size is identified by its standard designation in Specification D1426. The alternative designation given in parentheses is for information only and does not represent a different standard sieve size.

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.

C0311_C0311M-25 Active C0311_C0311M-24 C0311_C0311M-22 C0311_C0311M-18 C0311_C0311M-17 C0311_C0311M-16 C0311-11B C0311-11A C0311-11 C0311-07 C0311-05 C0311-04 C0311-02 C0311-00E01 C0311-00
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Details
Book of Standards Volume: 04.02
Developed by Subcommittee: C09.24
Pages: 10
DOI: 10.1520/C0311_C0311M-13
ICS Code: 91.100.30