The particle size distribution curves for three soils - A, B and C - are shown in Figure Q-2 on page 2. a. Determine the effective size, average particle size, uniformity coefficient and coefficient of curvature for soil B. b. Classify soil A according to ASTM-CS. C. Classify soil C according to the AASHTO system. The Atterberg limits for this soil are LL = 81 and PL = 35. Using sketches and notes, outline the key features of the SPT test.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The particle size distribution curves for three soils - A, B and C - are shown in Figure
Q-2 on page 2.
a. Determine the effective size, average particle size, uniformity coefficient and
coefficient of curvature for soil B.
b. Classify soil A according to ASTM-CS.
C. Classify soil C according to the AASHTO system. The Atterberg limits for this soil are
LL = 81 and PL = 35.
Using sketches and notes, outline the key features of the SPT test.
Transcribed Image Text:The particle size distribution curves for three soils - A, B and C - are shown in Figure Q-2 on page 2. a. Determine the effective size, average particle size, uniformity coefficient and coefficient of curvature for soil B. b. Classify soil A according to ASTM-CS. C. Classify soil C according to the AASHTO system. The Atterberg limits for this soil are LL = 81 and PL = 35. Using sketches and notes, outline the key features of the SPT test.
»
Figure Q-2:
Percent Finer by Weight
100
90
80
70
60
50
40
30
20
10
0
Gravel
10
ģ
Coarse
4.75
9
2
2
Sand
Medium
1
0.420
Fine
C
B
A
0.1 0.075
Particle Diameter (mm)
Page 2 of 2
Silt
0.01
Clay
0.002 0.001
Transcribed Image Text:» Figure Q-2: Percent Finer by Weight 100 90 80 70 60 50 40 30 20 10 0 Gravel 10 ģ Coarse 4.75 9 2 2 Sand Medium 1 0.420 Fine C B A 0.1 0.075 Particle Diameter (mm) Page 2 of 2 Silt 0.01 Clay 0.002 0.001
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