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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.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
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) StandardAPI 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 Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)
UNSPSC Code 11111804(Bentonite)
ASTM D4380-12, Standard Test Method for Density of Bentonitic Slurries, ASTM International, West Conshohocken, PA, 2012, www.astm.orgBack to Top