: The following results were obtained from a standard compaction test on a soil : Bulk unit weight (kN/m') 20.421.28 21.63 Water content (%) 21.44 20.98 20.48 16.3 11.2 12.9 14 18.8 20.5 1. Plot the dry density / water content curve and give the optimum moisture content and maximum dry density of the soil. 2. plot the lines of zero, 5%, and 10% air voids lines 3. If the value of specific gravity is 2.7, give the value of air content at maximum dry density. 4. If the relative compaction of the soil is to achieve 93% of the maximum dry density, what is the

Structural Analysis
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Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
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Q3: The following results were obtained from a standard compaction test on a soil :
Bulk unit weight (kN/m')
Water content (%)
20.4
21.28
21.63
21.44
20.98
20.48
11.2
12.9
14
16.3
18.8
20.5
1. Plot the dry density / water content curve and give the optimum moisture content and maximum dry
density of the soil.
2. plot the lines of zero, 5%, and 10% air voids lines
3. If the value of specific gravity is 2.7, give the value of air content at maximum dry density.
4. If the relative compaction of the soil is to achieve 93% of the maximum dry density, what is the
maximum degree of saturation which can be permitted.
(25 Mark)
Transcribed Image Text:Q3: The following results were obtained from a standard compaction test on a soil : Bulk unit weight (kN/m') Water content (%) 20.4 21.28 21.63 21.44 20.98 20.48 11.2 12.9 14 16.3 18.8 20.5 1. Plot the dry density / water content curve and give the optimum moisture content and maximum dry density of the soil. 2. plot the lines of zero, 5%, and 10% air voids lines 3. If the value of specific gravity is 2.7, give the value of air content at maximum dry density. 4. If the relative compaction of the soil is to achieve 93% of the maximum dry density, what is the maximum degree of saturation which can be permitted. (25 Mark)
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