Bearing capacity of soils cannot be improved by (A) Draining sub-soil water (B) Ramming crushed stone in soil (C) Driving sand piles (D) Watering surface of soil

Bearing capacity of soils cannot be improved by
(A) Draining sub-soil water
(B) Ramming crushed stone in soil
(C) Driving sand piles
(D) Watering surface of soil
by

1 Answer

Answer :

Answer: Option D
by

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The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing (A) Cohesion and effective angle of shearing resistance (B) Cohesion and effective unit weight of soil (C) Effective unit weight of soil and effective angle of shearing resistance (D) Effective angle of shearing resistance

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The maximum net pressure intensity causing shear failure of soil, is known (A) Safe bearing capacity (B) Net safe bearing capacity (C) Net ultimate bearing capacity (D) Ultimate bearing capacity

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The maximum pressure which a soil can carry without shear failure, is called (A) Safe bearing capacity (B) Net safe bearing capacity (C) Net ultimate bearing capacity (D) Ultimate bearing capacity

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In the plate loading test for determining the bearing capacity of soil, the size of square bearing plate should be (A) Less than 300 mm (B) Between 300 mm and 750 mm (C) Between 750 mm and 1 m (D) Greater than 1 m

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Select the incorrect statement. (A) Bearing capacity of a soil depends upon the amount and direction of load (B) Bearing capacity of a soil depends on the type of soil (C) Bearing capacity of a soil depends upon shape and size of footing (D) Bearing capacity of a soil is independent of rate of loading

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The ultimate bearing capacity of a soil, is (A) Total load on the bearing area (B) Safe load on the bearing area (C) Load at which soil fails (D) Load at which soil consolidates

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For determining the ultimate bearing capacity of soil, the recommended size of a square bearing plate to be used in load plate test should be 30 to 75 cm square with a minimum thickness of (A) 5 mm (B) 10 mm (C) 15 mm (D) 25 mm

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When a cohesionless soil attains quick condition, it looses (A) Shear strength (B) Bearing capacity (C) Both (a) and (b) (D) Neither (a) nor (6

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The bearing capacity of a soil depends upon (A) Size of the particles (B) Shape of the particles (C) Cohesive properties of particles (D) All the above

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If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is (A) D = 0.0775 a (B) D = 0.775 a (C) D = 0.775 a (D) D = 0.775 a2

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Black cotton soil is unsuitable for foundations because its (A) Bearing capacity is low (B) Permeability is uncertain (C) Particles are cohesive (D) Property to undergo a volumetric change due to variation of moisture content

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The least bearing capacity of soil is that of (A) Hard rock (B) Moist clay (C) Soft rock (D) Coarse sandy soil

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Raft foundations are used for: (A) Providing increased area of foundation over poor bearing capacity of soil (B) Spanning over small soft or loose pockets (C) Counter acting the hydrostatic effect (D) All the above

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Last Answer : Answer: Option D

Grillage foundation (A) Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity (B) Is light and economical (C) Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth (D) All the above

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Last Answer : Answer: Option D

For a wall carrying heavy load on low bearing capacity soil, (A) Lean concrete bed is provided (B) Thick concrete bed is provided (C) Reinforced concrete bed is provided (D) Both (a) and (c) of the above

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The maximum bearing capacity of soil is that of (A) Black cotton soil (B) Loose fine sandy soil (C) Dry coarse sandy soil (D) Hard rocks

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