EBK PRINCIPLES OF GEOTECHNICAL ENGINEER
9th Edition
ISBN: 8220103611718
Author: SOBHAN
Publisher: CENGAGE L
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Chapter 6, Problem 6.4P
(a)
To determine
Find the maximum dry unit weight of compaction and the optimum moisture content.
(b)
To determine
Find the void ratio and degree saturation at the optimum moisture content.
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Students have asked these similar questions
The results of a standard Proctor test are given in the following table. Given: Mold volume
1/30 ft' and Gs = 2.69. Determine the void ratio and the degree of saturation at the optimum
moisture content.
Weight of moist soil Moisture
in the mold (lb)
Trial no.
content (%)
1
3.7
8.6
2
4.15
10.6
4.69
12.5
4
4.62
14.9
5
4.02
16.7
6.
3.63
18.3
1. The results of a standard Proctor test are given in the following table.
a. Determine the maximum dry unit weight of compaction and the optimum moisture content,
given that the Proctor mold volume is 1/30 ft³.
b. Determine the void ratio and the degree of saturation at the optimum moisture content
given G₁= 2.68.
Trial no.
1234567
Weight of moist soil in the mold (lb)
3.92
4.12
4.29
4.37
4.45
4.35
4.20
Moisture content (%)
5.0
7.5
10.0
12.5.
15
17.5
20.0
Homework #3
The results of a standard Proctor test are given in the following table.
a. Determine the maximum dry unit weight of compaction and the optimum
moisture content. Given: mold volume =943.3 cm'.
b. Determine the void ratio and the degree of saturation at the optimum moisture
content. Given: G, = 2.68.
Trial no.
Weight of moist soil in the mold (kg)
Moisture content (%)
1.78
5.0
1.87
7.5
3
1.95
10.0
4
1.98
12.5
5
2.02
1.97
15
17.5
7
1.90
20.0
Chapter 6 Solutions
EBK PRINCIPLES OF GEOTECHNICAL ENGINEER
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