A 2.1 – m. clay layer (e = 0.54, Gs = 2.72, Cc = 1/3) is overlain with 4.5 m. thick of sand layer (e = 0.5, Gs = 2.63). The water table is 2.0 m. below the ground surface. If a 2.3- m. thick land fill (unit weight = 16.1 kN/m3) is placed over the existing ground surface, determine: a. The uniformly distributed load at the initial ground surface in kPa. b. The primary consolidation settlement of the soil in m

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A: Given data : Specific gravity (G)=2.7Void ratio (e)=0.7Thickness (H)=3.5 m

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Q: 1. A wide fill will apply a uniform pressure of 100 kN/m2 to the surface of a soil profile…

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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.