Particle-Size Distribution (Gradation) of Soil Using Sieve Analysis. ASTM D/DM Standard Test Methods for Particle-Size Distribution ( Gradation) of Soils Using Sieve Analysis. standard by ASTM. D – Download as PDF File .pdf), Text File .txt) or read online. 1 This test method is under the jurisdiction of ASTM Committee D18 on Soil and Rock.
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Active view current version of standard. This test method is used to separate particles into size ranges and to determine quantitatively the mass of particles in each range. These data are combined to determine the particle-size distribution gradation.
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This test method uses a square opening sieve criterion in determining the gradation of soil between the 3-in. Furthermore, if the maximum particle size is greater than the 4.
Finally, if the maximum particle size is equal to or greater than For special ashm see. The methods differ in the significant digits recorded and the size of the specimen mass required. The method to be used may be specified by the requesting authority; otherwise Method A shall be performed.
This ast, must be used when performing composite sieving. For cases of disputes, Method A is the referee method. This method is only applicable for single sieve-set sieving and when the maximum particle size is equal to or less than the No. It is assumed asm the sample is obtained using appropriate methods and is representative. The procedure selected will depend on the type of sample, the maximum particle-size in the sample, the range of particle sizes, the initial conditions of the material, the plasticity of the material, the efficiency, and the need for other testing on the sample.
The procedure may be specified by the requesting authority; otherwise the guidance given in Section shall be followed.
ASTM D Standard
Such extraneous matter can affect the washing and sieving procedures. Typical examples of these soils are some residual soils, most weathered shales and some weakly cemented soils such as hardpan, caliche or coquina.
Depending on the d6193 considerations, a specialized gradation-testing program could be performed. The alterations could require the washing and sieving procedures to be standardized such that each specimen would be processed in a similar manner. However, the applicable sections above should be used in applying this standard.
In addition, they are representative of the significant digits that generally should be retained. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies, or any considerations for the user’s objectives; and it is common practice to increase or reduce significant digits of reported data to be commensurate with these considerations.
It is beyond the scope of these test methods to consider significant digits used in analysis asfm for engineering design. Except, the sieve designations are typically identified using the “alternative” system in d9613 with Practice E 11, such as 3 in.
Only the SI units are used for mass determinations, calculations and reported results. However, the use of balances or scales recording pounds of mass lbm shall not be regarded as nonconformance with this 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. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
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