Civil Engineering Question
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Given:
The depth of the original groundwater table is 12 ft.
Consider the diagram,
The formula to calculate the dry unit weight of sand is,
Here, G is the specific gravity and e is the void ratio.
The formula to calculate the saturated unit weight of sand is,
The formula to calculate the total stress is,
The formula to calculate the pore water pressure is,
The formula to calculate the effective stress is,
The unit weight of water is 62.4 lb/ft3.
Calculate the dry unit weight of sand.
Calculate the saturated unit weight of sand.
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