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Last Updated: Jan 22, 2021
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ASTM D4381/D4381M-12
Standard Test Method for Sand Content by Volume of Bentonitic Slurries (Withdrawn 2021)
Standard Test Method for Sand Content by Volume of Bentonitic Slurries (Withdrawn 2021)
D4381_D4381M-12
ASTM|D4381_D4381M-12|en-US
Standard Test Method for Sand Content by Volume of Bentonitic Slurries (Withdrawn 2021)
Standard
D4381/D4381M Standard Test Method for Sand Content by Volume of Bentonitic Slurries (Withdrawn 2021)>
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Significance and Use
5.1 This test method is used to determine the amount of sand by volume in bentonitic slurry. The significance of this test method mainly relates to bentonitic slurries used for concrete wall construction. The range of measurement is too limited for use in cement bentonite wall construction.
Note 1—The 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.
Scope
1.1 This test method covers the determination of the sand content of bentonitic slurries used in slurry construction techniques. This test method has been modified from API Recommended Practice 13B.
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. The SI units are given in brackets.