From a sieve analysis experiment on a coarse-grained sand soil sample, the following data was obtained. D60 = 1.95 mm, D30 = 0.53 mm, D₁0 = 0.09 mm. Comment on the sample:
a. Gap graded C. Poorly graded
b. Well graded d. Uniformly graded.
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Explanation:
Grain size analysis, also called "Mechanical Analysis of Soil" is the standard laboratory
test for the determination of the particle size distribution of soil. Its use to determine the
size range of particles presents in a soil and finds the percentage by weight of each size.
The distribution of grain sizes affects the engineering properties of soil such as
permeability, strength, and swelling potential.
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