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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Separating 1 st Subspecimen. 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 ast the sample. Add to Alert PDF. Dry Sieving Coarser Portion. The methods differ in the significant digits recorded and the size of the specimen mass required.
Ultrasonic Water Bath optional. However, engineering behavior is dependent upon many factors such as effective stress, stress history, mineral type, structure, plasticity, and geologic origins and cannot be based solely upon gradation. This test method uses a square opening sieve criterion in determining the gradation of soil between the 3-in. Already Subscribed to this document. These data are combined to determine the particle-size distribution gradation.
The material to be sieved will be placed on the coarsest sieve size of each sieve set and mechanically shaken. Proceed to Checkout Continue Shopping. Percent Passing, 2 nd Subspecimen. Furthermore, if the maximum particle size is greater than 4.
Historical Version s – view previous versions of standard. Splitter or Riffle Box optional. This method must be used when performing composite sieving. Large Mechanical Sieve Shaker. It is beyond the scope of these test methods to consider significant digits used in analysis methods for engineering design.
This test method uses a square opening sieve criterion in determining the gradation of soil between the 3-in. However, the applicable sections above should be used in applying this standard.
Dispersing and Washing 2 nd Coarser Portion.
Summary of Test Method. It is assumed that the sample is obtained using appropriate methods and is representative. The method to be used may be specified by the requesting astk otherwise Method A shall be performed. This process is termed composite sieving. Soil testing Lab Services: For specimens containing very large particles, the specimen may astmm two separations; i.
These data are combined to determine the particle-size distribution gradation. Selection of Sieving Procedure.
ASTM D Standard
The procedure may be specified by the requesting authority; otherwise the guidance given in Section 10 shall be followed. In addition, they are representative of the significant digits that generally should be retained.
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However, the specimen may contain a wide range of particle sizes and may require separating the soil into two, or three size ranges for more efficient sieving, using one or two designated separating sieve s. This method is only applicable for single sieve-set sieving and when the maximum particle size is equal to or less than 6d913 No. For Individuals with e6913 special assistance for disabilities or limited English proficiency Please sstm our Title VI specialist at Active view current version of standard.
The method to be used may be specified by the requesting authority; otherwise Method A shall be performed. The methods differ in the significant digits recorded and the size of the specimen mass required.
For special conditions see The results will produce a tabulation of sieve sizes versus percent passing that can be graphically presented as a gradation curve a plot of the percent passing versus the log of the particle size in mm.
Composite Sieving, Mass of Specimen. Dry Sieving 2 nd Subspecimen. Percent Passing, 2 nd Coarser Portion. These results are mathematically combined.