A loose compacted sand fill is 1.81 m in depth and has a relative density of 41%. Laboratory tests indicated that the sand's minimum and maximum void ratios are 0.47 and 0.91 respectively. The

Structural Analysis
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Chapter2: Loads On Structures
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A loose compacted sand fill is 1.81 m in depth and has a relative density of 41%. Laboratory tests indicated that the sand's minimum and maximum void ratios are 0.47 and 0.91 respectively. The specific gravity of the solids of the sand is 2.65. 

Find;

(a) Dry unit weight of the sand.

(b) Void ratio of the sand having a relative density of 40%.

(c) If the sand is compacted to a relative density of 75% what is the decrease in the thickness of the 1.8m fill?

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