a. determine the effective size D10 b. determine the coefficient of curvature A sample of dry coarse-grained material was taken through a layer of sieves and the following results were obtained. Make the necessary calculations and draw the particle distribution curve. Mass of soil Sieve No. Opening (mm) retained (g) 4 4.75 10 2.00 40 20 0.85 60 40 0.425 89 60 0.250 140 80 0.180 122 100 0.150 210 200 0.075 56 Pan 12

Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
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Chapter3: Natural Soil Deposits And Subsoil Exploration
Section: Chapter Questions
Problem 3.15P
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a. determine the effective size D10
b. determine the coefficient of curvature
A sample of dry coarse-grained material was taken through a layer of sieves and the
following results were obtained. Make the necessary calculations and draw the particle
distribution curve.
Mass of soil
Sieve No.
Opening (mm)
retained (g)
4
4.75
10
2.00
40
20
0.85
60
40
0.425
89
60
0.250
140
80
0.180
122
100
0.150
210
200
0.075
56
Pan
12
Transcribed Image Text:a. determine the effective size D10 b. determine the coefficient of curvature A sample of dry coarse-grained material was taken through a layer of sieves and the following results were obtained. Make the necessary calculations and draw the particle distribution curve. Mass of soil Sieve No. Opening (mm) retained (g) 4 4.75 10 2.00 40 20 0.85 60 40 0.425 89 60 0.250 140 80 0.180 122 100 0.150 210 200 0.075 56 Pan 12
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