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ASTM-D1140:2006 Edition(Redline)

ASTM-D1140:2006 Edition(Redline)

$23.40

D1140-00(2006) Standard Test Methods for Amount of Material in Soils Finer than No. 200 (75-μm) Sieve (Redline)

Published By Publication Date Number of Pages
ASTM 2006 6
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Significance and Use

Material finer than the 75- μ m (No. 200) sieve can be separated from larger particles much more efficiently and completely by wet sieving than with dry sieving. Therefore, when accurate determinations of material finer than 75- μ m sieve in soil are desired, this test method is used on the test specimen prior to dry sieving. Usually the additional amount of material finer than 75- μ m sieve obtained in the dry sieving process is a small amount. If it is large, the efficiency of the washing operation should be checked, as it could be an indication of degradation of the soil.

With some soils, particularly clayey soils, in order to keep the finer material from adhering to the larger particles, it will be necessary to soak the soil prior to washing it through the sieve. A deflocculating agent (dispersing agent) should be added to the soil when it is soaked.

Note 1—The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D 3740 are generally considered capable of competent and objective testing/sampling/inspection/etc. Users of this standard are cautioned that compliance with Practice D 3740 does not in itself assure reliable results. Reliable results depend on many factors; Practice D 3740 provides a means of evaluating some of those factors.

1. Scope

1.1 These test methods cover determination of the amount of material finer than a 75-m (No. 200) sieve by washing.

1.2 Two methods for determining the amount of material finer than the No. 200 sieve are provided. The method to be used shall be specified by the requesting authority. If no method is specified, the choice should be based on the guidance given in 4.2 and 7.3

1.2.1 Method A- Test specimen is not dispersed prior to wash sieving.

1.2.2 Method B- Test specimen is dispersed by soaking in water containing a deflocculating agent prior to wash sieving.

1.3 The values stated in SI units are to be regarded as the standard.

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

C702 Practice for Reducing Samples of Aggregate to Testing Size D75 Practice for Sampling Aggregates D422 Test Method for Particle-Size Analysis of Soils D2216 Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass D2487 Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System) D3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction D4753 Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing D6026 Practice for Using Significant Digits in Geotechnical Data E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves E145 Specification for Gravity-Convection and Forced-Ventilation Ovens E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

Keywords

fines; particle sizes; sieve analysis; washing;

ICS Code

ICS Number Code 19.120 (Particle size analysis. Sieving)

DOI: 10.1520/D1140-00R06 ASTM International is a member of CrossRef.

Citing ASTM Standards

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