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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The mass of particles retained on each sieve will be determined. Furthermore, if the maximum particle size is greater than the 4. The method to be used may be specified by the requesting authority; otherwise Method A shall be performed. Add to Alert PDF. Users of these test methods are cautioned that compliance with Practice D does not in itself assure reliable results.
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Astmm testing Back to Results Print. You may delete a document from your Alert Profile at any time. It is beyond the scope of these test methods to consider significant digits used in analysis methods for engineering design.
Active view current version of standard. As the voice of the U. Dry Sieving Coarser Portion. Depending on the design considerations, a specialized gradation-testing program could be performed. The procedure may be specified by the requesting authority; otherwise the guidance given in Section shall be followed.
The methods differ in the significant digits recorded and the size of the specimen mass required. Link to Active This link will always route to the current Active version of the standard. This test method is asttm to separate particles into size ranges and to determine quantitatively the mass of particles in each range. You can download and open this file to your own computer but DRM prevents opening this file on another satm, including a networked server.
Request Quote Wstm Login. For special conditions see. Please first verify your email before subscribing to alerts. For cases of disputes, Method A is the referee method. Typical examples of these soils are some residual soils, most weathered shales and some weakly cemented soils such as hardpan, caliche or coquina.
For a single separation two portionsthe coarser portion is sieved in its entirety, while the finer portion is split into a smaller subspecimen for sieving. In addition, they are representative of the significant digits that generally ast, be retained.
Percent Passing, 2 nd Coarser Zstm. Specimen Procurement and Processing Requirements. This test method is used to separate particles into size ranges and to determine quantitatively the mass of particles in each range. Furthermore, if the maximum particle size is greater than 4. Splitter or Riffle Box optional. Percent Passing, 2 nd Subspecimen. These data are combined to determine the particle-size distribution gradation. Reliable results depend on many factors; Practice D provides a means of evaluating some of those factors.
The alterations could require the washing and sieving procedures to be standardized such that each specimen would be processed in a similar manner. 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.
Prior to sieving, as applicable, the qstm will be washed to remove fine particles and oven dried. If the document is revised or amended, you will be notified by email. The procedure selected will depend on the type of sample, the maximum particle-size in the sample, the awtm of particle sizes, the initial conditions of the material, the plasticity of the material, the atsm, and the need for other testing on the sample.
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Composite Sieving, Mass of Specimen. Hydraulic conductivity, compressibility, and shear strength are related to the gradation of the soil. However, the applicable sections above should be used in applying this standard.
Dispersing and Washing 2 nd Subspecimen. Dispersing and Washing 2 nd Coarser Portion. Percent Passing, Acceptance Criterion.
Dry Sieving 2 nd Subspecimen. 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 astn. Historical Version s – view previous versions of standard.
Only the SI units are used for mass determinations, calculations and reported results. Using an Ultrasonic Water Bath. Air-Dried Procedure, Composite Sieving.