ASTM C142 / C142M - 17
Standard Test Method for Clay Lumps and Friable Particles in Aggregates
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Significance and Use
4.1 This test method is of primary significance in determining the acceptability of aggregate with respect to the requirements of Specification C33/C33M.
1. Scope
1.1 This test method covers the approximate determination of clay lumps and friable particles in aggregates.
1.2 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 sizes openings are identified by their Specification E11 designation with their alternative Specification E11 designation given in parentheses for information only.
1.3 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 This 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
C33 Specification for Concrete Aggregates
C117 Test Method for Materials Finer than 75-m (No. 200) Sieve in Mineral Aggregates by Washing
C125 Terminology Relating to Concrete and Concrete Aggregates
C1005 Specification for Reference Masses and Devices for Determining Mass and Volume for Use in the Physical Testing of Hydraulic Cements
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
ICS Code
ICS Number Code 91.100.01 (Construction materials); 91.100.30 (Concrete and concrete products)
UNSPSC Code
UNSPSC Code 30111800(Aggregates)
Referencing This Standard
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DOI: 10.1520/C0142_C0142M-17
Citation Format
ASTM C142 / C142M-17, Standard Test Method for Clay Lumps and Friable Particles in Aggregates, ASTM International, West Conshohocken, PA, 2017, www.astm.org
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