ASTM D4380 - 12

    Standard Test Method for Density of Bentonitic Slurries

    Active Standard ASTM D4380 | Developed by Subcommittee: D18.16

    Book of Standards Volume: 04.08

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    Significance and Use

    5.1 This test method is used to determine the density of bentonitic slurries in the laboratory and field. For freshly mixed slurry, this test method may be used as an indicator of mix proportions. For in-trench slurry, a certain value may be specified for maintaining trench stability.

    Note 1The quality of the result produced by this standard depends on the competence of the personnel performing it and the suitability of the equipment and facilities being used. Agencies that meet the criteria of Practice D3740 are generally considered capable of competent and objective testing, sampling, inspection, etc. Users of this standard are cautioned that compliance with Practice D3740 does not in itself ensure reliable results. Reliable results depend on many factors; Practice D3740 provides a means of evaluating some of those factors.

    1. Scope

    1.1 This test method covers the determination of the density of slurries used in slurry construction techniques, such as those used for barriers to control the horizontal movement of liquids. This test method is modified from API Recommended Practice 13B.

    1.2 Units—The values stated in SI units are to be regarded as standard, unless other units are also specified, such as density in lbm/ft3 or lbm/gal. No other units of measurement are included in this standard.

    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.

    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

    D653 Terminology Relating to Soil, Rock, and Contained Fluids

    D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction

    American Petroleum Institute (API) Standard

    API RP 13B Recommended Practice Standard Procedure for Testing Drilling Fluids (Section ) Available from the American Petroleum Institute, 2101 L St., NW, Washington, DC 20037.

    ICS Code

    ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)

    UNSPSC Code

    UNSPSC Code 11111804(Bentonite)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D4380-12

    Citation Format

    ASTM D4380-12, Standard Test Method for Density of Bentonitic Slurries, ASTM International, West Conshohocken, PA, 2012,

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