The Standard Proctor compaction was performed on a soil over the following range

Question

The Standard Proctor compaction was performed on a soil over the
following range of moisture content. Wet weights of soil in the mold
for water contents are as shown. The soil specific gravity (Gs) is 2.66.
Sample # Water Content%, Wet weight in Mold, gm
1 5.6 1420
2 7.9 1683
3 10.8 1932
4 13.3 1964
5 14.8 1830
6 16.2 1630

b. Determine the maximum density and optimum
moisture content.
c. What are the degree of saturation and void ration at optimum
density?
d. What is the target range of moisture content if the specifications
require 95% compaction?

Explanation / Answer

2 7.9 1683

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