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    ASTM D422-63(2007)e2

    Standard Test Method for Particle-Size Analysis of Soils (Withdrawn 2016)

    Withdrawn Standard: ASTM D422-63(2007)e2 | Developed by Subcommittee: D18.03

    WITHDRAWN, NO REPLACEMENT


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    Withdrawn Rationale:

    This test method covers the quantitative determination of the distribution of particle sizes in soils. The distribution of particle sizes larger than 75 μm (retained on the No. 200 sieve) is determined by sieving, while the distribution of particle sizes smaller than 75 μm is determined by a sedimentation process, using a hydrometer to secure the necessary data.

    Formerly under the jurisdiction of Committee D18 on Soil and Rock, this test method was withdrawn in January 2016 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

    1. Scope

    1.1 This test method covers the quantitative determination of the distribution of particle sizes in soils. The distribution of particle sizes larger than 75 μm (retained on the No. 200 sieve) is determined by sieving, while the distribution of particle sizes smaller than 75 μm is determined by a sedimentation process, using a hydrometer to secure the necessary data (Note 1 and Note 2).

    Note 1: Separation may be made on the No. 4 (4.75-mm), No. 40 (425-μm), or No. 200 (75-μm) sieve instead of the No. 10. For whatever sieve used, the size shall be indicated in the report.

    Note 2: Two types of dispersion devices are provided: (1) a high-speed mechanical stirrer, and (2) air dispersion. Extensive investigations indicate that air-dispersion devices produce a more positive dispersion of plastic soils below the 20-μm size and appreciably less degradation on all sizes when used with sandy soils. Because of the definite advantages favoring air dispersion, its use is recommended. The results from the two types of devices differ in magnitude, depending upon soil type, leading to marked differences in particle size distribution, especially for sizes finer than 20 μm.



    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

    D421 Practice for Dry Preparation of Soil Samples for Particle-Size Analysis and Determination of Soil Constants

    E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves

    E100 Specification for ASTM Hydrometers


    Referencing This Standard

    DOI: 10.1520/D0422-63R07E02

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D422-63(2007)e2, Standard Test Method for Particle-Size Analysis of Soils (Withdrawn 2016), ASTM International, West Conshohocken, PA, 2007, www.astm.org

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