SITUATION 6: A deposit of clay underlain a 4.5 m thick sand Degree of saturation of sand is 37% and void ratio is 0.52. Moisture content of clay is 42%. Natural ground water table is located at 2m below the Natural ground surface. Assume that specific gravity of sand and clay are both equal to 2.65.. 15. Compute the unit weight of sand above water table. a. 17.345 kN/m² b. 19.345 kN/m 18.345 kN/m³ d. 20.345 kN/m³ 16. Compute the total pressure at point 10m below the ground surface. a. 163.925 kPa c. 193.925 kPa 173.925 kPa 183.925 kPa 17. Compute the effective pressure at point 10 m below the ground surface. 105.445 kPa b. 106.445 kPa d. 108.445 kPa c. 107.445 kPa

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A: L

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Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.