Soil Particle Analysis Procedure

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The first step in determining the quantity of gravel in soil is separating the sample into material less than and greater than 2 mm (Fig. 6). The sample is passed through a 2-mm sieve and the volume or percent of fine material is determined. If the volume of gravel is more than 30 percent of the total sample, an additional evaluation is

  Soil, Determining, Sieve