At the site of a proposed structure the variation of the SPT number (N60) with depth in a deposit of normally consolidated sand is as given below: Depth, m: 1.5 3.0 4.5 6.0 7.5 9.0 NG0: 6 8 9 8 13 14 The ground water table (W.T) is located at a depth of 6.5 m. The dry unit weight y dry of the sand above W.T is 18 kN/m³, and its saturated unit weight ysat below W.T is 20.2 kN/m³. (a) Correct the SPT numbers. (b) Select an appropriate SPT corrected number (No) for use in designs. Assume the given depths are located within the influence zone (zone of major stressing).
At the site of a proposed structure the variation of the SPT number (N60) with depth in a deposit of normally consolidated sand is as given below: Depth, m: 1.5 3.0 4.5 6.0 7.5 9.0 NG0: 6 8 9 8 13 14 The ground water table (W.T) is located at a depth of 6.5 m. The dry unit weight y dry of the sand above W.T is 18 kN/m³, and its saturated unit weight ysat below W.T is 20.2 kN/m³. (a) Correct the SPT numbers. (b) Select an appropriate SPT corrected number (No) for use in designs. Assume the given depths are located within the influence zone (zone of major stressing).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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