Test: Lateral Earth Pressures & Retaining Walls - 1


10 Questions MCQ Test Topicwise Question Bank for Civil Engineering | Test: Lateral Earth Pressures & Retaining Walls - 1


Description
Attempt Test: Lateral Earth Pressures & Retaining Walls - 1 | 10 questions in 30 minutes | Mock test for Civil Engineering (CE) preparation | Free important questions MCQ to study Topicwise Question Bank for Civil Engineering for Civil Engineering (CE) Exam | Download free PDF with solutions
QUESTION: 1

Why are weep holes provided at the back of retaining walls?

Solution:
QUESTION: 2

Coulomb’s theory of earth pressure is based on

Solution:
QUESTION: 3

For a sand having an internal friction of 30°, the ratio of passive to active lateral earth pressure will be

Solution:

Kp/Ka will be the ratio of passive to active earth pressure.

QUESTION: 4

The nature of earth pressure above dredge line behind a cantilever sheet pile wall is

Solution:

QUESTION: 5

The critical height of an unsupported vertical cut in a cohesive soil is given by
where, C = unit cohesion
ϕ = angle of internal friction
γ = unit weight of soil

Solution:

QUESTION: 6

Passive pressure in soil is associated with

Solution:

Passive pressure compresses soil horizontally. It occurs when the retaining wall moves towards the backfill. Active pressure stretches soil horizontally and exerts tensile force in soil layer. It occurs when the retaining wall moves away from the backfill.

QUESTION: 7

Coefficient of earth pressure at rest is

Solution:

Ka < K0 < Kp

QUESTION: 8

To stabilise a concrete cantilever retaining wall against sliding, the ratio of sliding force to resisting force should be

Solution:

Factor of safety against sliding,

∑FR = sum of the horizontal resisting forces
∑Fd = sum of horizontal driving forces.
Usually Fs ≥ 1.55
∴ Ratio of sliding force to resisting force

QUESTION: 9

The pore water pressure in the capillary zone is

Solution:
QUESTION: 10

The maximum permissible eccentricity of a retaining wall of width B to avoid failure in tension is

Solution:

qmin for an eccentrically loaded footing

for no tension, qmin > 0
or,

or,

Use Code STAYHOME200 and get INR 200 additional OFF
Use Coupon Code