A 3m deep sand layer has a specific gravity of 2.68 and a void ratio of 0.60. Under this layer is a 2.5m deep clay profile with a specific gravity of 2.7 and a moisture content of 30%. The water table is observed at 1m below the ground surface. Determine the settlement (in mm) of a normally consolidated clay after che surcharge of 75kPa. Clay is observed to have a void ratio of 0.40 after the surcharge. (Assume unit weight of soll profile above the clay layer is the same when the soil was not subjected to surcharge load).

Q: A saturated soil specimen has w = 36% and ᵞd = 85.43 lb/ft3. Determine: Void ratio

A: Given: Water content, w = 36% = 0.36 Dry unit weight = 85.43 lb/ft3 Degree of saturation, S = 100% =…

Q: A 3m deep sand layer has a specific gravity of 2.68 and a void ratiodf 0.60. Under this layer is a…

A: Compression index is CC=eo-eflogσ1+Δσσ1soFind inital void ratio of claySeo=woG1eo=0.32.7eo=0.81

Q: Assume that the compressible soil shown in Figure 1 consists of a clay layer 10 ft thick. A…

A: Initial void ratio (eo) = 1.10Saturated Densityνsat =  115 lb/ft2Existing over burden pressure(po) =…

Q: Average unit weight for medium dense sand?

A: Soil classification:According to the amount of compactness, the soil is classified as, Very loose…

Q: a (kN/m?) 0.92 150 300 0.77 O Cingage Leaming 20

A: Coefficient of volume compressibility is defined as when a unit pressure is applied on the unit…

Q: For a 4-m thick sandy soil deposit, laboratory tests indicate that its minimum and maximum void…

A: Kindly Note: As per our guidelines, we are supposed to solve the first 3 sub-parts. Kindly repost…

Q: 12.9 The relationship between the relative density D, and the angle of friction o' of a sand can be…

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Q: 2-13. The wet unit weight of a soil sample is 18.55 kN/m³. Its specific gravity of solids and water…

A: In the first part of question bulk density, specific gravity and water content is given and it has…

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.