Question
Asked Mar 14, 2020
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Determine the density index of a soil having a natural void ratio 0.7. The void ratio of the soil in the loosest and most dense state is 0.85 and 0.4 respectively. Also, calculate the relative compaction.

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Expert Answer

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Step 1

Given:

Void ratio of soil, e = 0.7

Void ratio of soil in loosest state, emax = 0.85

Void ratio of soil in most dense state, emin = 0.4

Step 2

The formula for relative density is given by,

Civil Engineering homework question answer, step 2, image 1

 

The formula for relative compaction is given by,

Civil Engineering homework question answer, step 2, image 2

Step 3

The relative density is calculated as,

Civil Engineering homework question answer, step 3, image 1

 

The relative compaction is calculated as,

Civil Engineering homework question answer, step 3, image 2

...

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