(Solved) The total consolidation due to the construction of a large bridge abutment over a 10 foot thick double drained clay layer

The total consolidation due to the construction of a large bridge abutment over a 10 foot thick double drained clay layer is expected to be 7 inches. To minimize “bump before the bridge” the DOT will not set the bridge deck until only 1.5 inches of settlement remains. How many days after the construction of the bridge abutment is complete can the bridge deck be placed? Soil parameters: gamma=118lb/ft3, LL=42, PL=15, e0=1.12, cv=1.1*10-2 ft2/day, k=1*10-5 cm/sec

Expert Answer


Given data

=> Thickness of clay layer (H) = 10 foot.

=> Double drinage condition.

=> Total consolidation = 7 incher……

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