For the soil described in Problem 6.4, if G, = 2.72, determine the void ratio and the degree of saturation at optimum moisture content. 6.5
For the soil described in Problem 6.4, if G, = 2.72, determine the void ratio and the degree of saturation at optimum moisture content. 6.5
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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PLEASE ANSWER THE 6.5

Transcribed Image Text:= 2.75, calculate the zero-air-void unit weight for a soil in lb/ft³
Given G,
w = 5%, 8%, 10%, 12%, and 15%.
6.1
6.4 The results of a standard Proctor test are given below. Determine the maximum dry
unit weight of compaction and the optimum moisture content.
Weight of
wet soil
in the mold
(Ib)
GsYw
Vzav =
1+ wG5
Volume of
Moisture
Proctor mold
(ft³)
content
(%)
GSYW
1/30
3.26
8.4
Ya =
1/30
1+ GW
4.15
10.2
1/30
4.67
12.3
1/30
4.02
14.6
Se = Gsw
1/30
3.63
16.8
6.5 For the soil described in Problem 6.4, if G, = 2.72, determine the void ratio and
the degree of saturation at optimum moisture content.
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