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GATE CE 2021: Soil Mechanics & Foundation Engineering#14 (App update required to attempt this test)

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Question 1

Which of the following zone is a logarithmic spiral shape of failure surface assumed in bearing capacity analysis?

Question 2

A square footing to be proposed on a cohesion less soil with an average N value is 35, then allowable bearing pressure will be governed by

Question 3

A square footing (2 m × 2m) is subjected to an inclined point load P as shown in the figure below. The water table is located well below the base of the footing. Considering one–way eccentricity, the net safe load carrying capacity of the footing for a factor of safety of 3.0 is _________ kN.
The following factor may be used:
Bearing capacity factors: Nq = 33.3, Nï= 37.16; Shape factor: Fqs =FYs = 1.314 ; Depth factors : Fqd = FYd = 1.113; Inclination factors : Fqi = 0.444, FYi = 0.02

Question 4

A square footing located at a depth of 1.3 m below the ground has to carry a safe load of 800 kN. The size (in m) of the footing is ____, if the desired factor of safety is 3, by using the following properties of the soil is
Void ratio = 0.55, Degree of saturation = 50%
Specific gravity = 2.67, c = 8 kN/m3, = 30 °

[Use Terzaghi's analysis]

Question 5

A test plate 30 cm × 30 cm resting on a sand deposit settles by 10 mm under a certain loading intensity. A footing 150 cm × 200 cm resting on the same sand deposit and loaded to the same load intensity settles by

Question 6

A 4 m wide strip footing is founded at a depth of 1.5 m below the ground surface in a c-φ soil as shown in the figure. The water table is at a depth of 5.5 m below ground surface. The soil properties are: and The values of bearing capacity factors for different φ' are given below.

Using Terzaghi's bearing capacity equation and a factor of safety the net safe bearing capacity (expressed in kN/m2) for local shear failure of the soil is ________.
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Sep 14ESE & GATE CE