Calculate the change in vertical effective stress on roof

Reference no: EM131137782

A culvert is to be constructed in a bed of sand (e = 0.5) for drainage purposes. The roof of the culvert will be located 3 m below ground surface. Currently, the groundwater level is at ground surface. But, after installation of the culvert, the groundwater level is expected to drop to 2 m below ground surface. Calculate the change in vertical effective stress on the roof of the culvert after installation. You can assume the sand above the groundwater level is saturated.

Reference no: EM131137782

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