Question 1 A sieve analysis of a soil sample gives the following results. particle size/mm mass of grain group particle size/mm mass of grain group (g) (g) 20-10 145 0.25~0.10 10 10~5 75 0.10~0.05 5~2 0.05~0.01 2~1 30 0.01~0.005 0. 1~0.5 100 0.005~0.002 0. 0.5~0.25 140 and the total mass of the soil sample is 500g; (a) Plot the particle size distribution curve. (b) Determine the dio and d6o. (c) Determine whether the grain gradation of the soil is good or not.
Question 1 A sieve analysis of a soil sample gives the following results. particle size/mm mass of grain group particle size/mm mass of grain group (g) (g) 20-10 145 0.25~0.10 10 10~5 75 0.10~0.05 5~2 0.05~0.01 2~1 30 0.01~0.005 0. 1~0.5 100 0.005~0.002 0. 0.5~0.25 140 and the total mass of the soil sample is 500g; (a) Plot the particle size distribution curve. (b) Determine the dio and d6o. (c) Determine whether the grain gradation of the soil is good or not.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Solve part A and B and C carefully
Transcribed Image Text:Question 1
A sieve analysis of a soil sample gives the following results.
particle size/mm
mass of grain group
particle size/mm
mass of grain group
(g)
(g)
20-10
145
0.25~0.10
10
10~5
75
0.10~0.05
5~2
0.05~0.01
2~1
30
0.01~0.005
1~0.5
100
0.005~0.002
0.5~0.25
140
and the total mass of the soil sample is 500g;
(a) Plot the particle size distribution curve.
(b) Determine the dio and deo.
(c) Determine whether the grain gradation of the soil is good or not.
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