Sieve Soil A Soil B 3/4 in. 100 3/8 in 95 No. 4 85 --- 100 75 16 94 63 30 70 51

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
3.
Given the following grain size curve data for soil A and B:
Sieve
Soil A
Soil B
3/4 in.
100
3/8 in
95
No. 4
85
.--
8.
100
75
16
94
63
30
70
51
50
30
40
100
10
30
200
20
0.020 mm
10
0.010
8.
0.005
6.
Plot the grain size curve of A and B
What is the percentage of gravel, sand, silt and clay size in A and B soils (Using
ASTM, AASHTO and USCS)?
What are the Dso, C, and C, values of soils A and B? Are the soils well or poorly
graded?
a.
b.
C.
Transcribed Image Text:3. Given the following grain size curve data for soil A and B: Sieve Soil A Soil B 3/4 in. 100 3/8 in 95 No. 4 85 .-- 8. 100 75 16 94 63 30 70 51 50 30 40 100 10 30 200 20 0.020 mm 10 0.010 8. 0.005 6. Plot the grain size curve of A and B What is the percentage of gravel, sand, silt and clay size in A and B soils (Using ASTM, AASHTO and USCS)? What are the Dso, C, and C, values of soils A and B? Are the soils well or poorly graded? a. b. C.
Expert Solution
Step 1

Data given

Sieve Sieve size (mm) Percentage Finer
Soil A Soil B
3/4 in 19   100
3/8 in 9.5   95
No. 4 4.75   85
8 2.36 100 75
16 1.18 94 63
30 0.6 70 51
50 0.3 30 40
100 0.15 10 30
200 0.075 2 20
0.02 mm 0.02   10
0.01 mm 0.01   8
0.005 mm 0.005   6

Find : 

(a) plot grain size curve of A and B

(b) % of gravel, sand, silt and clay in A and B using ASTM, AASHTO, USCS

(c) Find D50, Cu , Cvalues of soil A and B

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