For the design of retaining walls, the minimum factor of safety against overturning is taken as (A) 1.5 (B) 2.0 (C) 2.5 (D) 3.0

For the design of retaining walls, the minimum factor of safety against overturning is taken as
(A) 1.5
(B) 2.0
(C) 2.5
(D) 3.0
by

1 Answer

Answer :

Answer: Option B
by

Related questions

If"w" is weight of a retaining wall and is the horizontal earth pressure, the factor of safety against sliding, is (A) 1.0 (B) 1.25 (C) 1.5 (D) 2.0

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Last Answer : Answer: Option C

What is the function of shear keys in the design of retaining walls?

Description : What is the function of shear keys in the design of retaining walls?

Last Answer : In determining the external stability of retaining walls, failure modes like bearing failure, sliding and overturning are normally considered in design. In considering the criterion of sliding, the sliding ... instead of 0.8φ in the previous case and the sliding resistance can be enhanced.

Cantilever retaining walls can safely be used for a height not more than (A) 3 m (B) 4 m (C) 5 m (D) 6 m

Description : Cantilever retaining walls can safely be used for a height not more than (A) 3 m (B) 4 m (C) 5 m (D) 6 m

Last Answer : Answer: Option D

Retaining walls are generally constructed with dry rubble stones with 60 cm top width and (A) 1 : 2 front batter (B) 1 : 3 front batter (C) 1 : 4 front batter (D) 1 : 5 front batter

Description : Retaining walls are generally constructed with dry rubble stones with 60 cm top width and (A) 1 : 2 front batter (B) 1 : 3 front batter (C) 1 : 4 front batter (D) 1 : 5 front batter

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Parapet walls along hill roads, are provided (A) To retain the back filling (B) To prevent the hill from sliding (C) To prevent the wheels of the vehicle from coming on the retaining wall (D) None of these

Description : Parapet walls along hill roads, are provided (A) To retain the back filling (B) To prevent the hill from sliding (C) To prevent the wheels of the vehicle from coming on the retaining wall (D) None of these

Last Answer : Answer: Option C

In retaining and breast walls, weep holes are provided at (A) 50 cm vertical height and 50 cm centre to centre horizontally (B) 100 cm vertical height and 100 cm centre to centre horizontally (C) 100 cm vertical height and 120 cm centre to centre horizontally (D) 120 cm vertical height and 100 cm centre to centre horizontally

Description : In retaining and breast walls, weep holes are provided at (A) 50 cm vertical height and 50 cm centre to centre horizontally (B) 100 cm vertical height and 100 cm centre to centre horizontally ... cm centre to centre horizontally (D) 120 cm vertical height and 100 cm centre to centre horizontally

Last Answer : Answer: Option C

The walls which are necessary on the hill side of roadway where earth has to be retained from slipping is known as (A) Retaining wall (B) Breast wall (C) Parapet wall (D) None of the above

Description : The walls which are necessary on the hill side of roadway where earth has to be retained from slipping is known as (A) Retaining wall (B) Breast wall (C) Parapet wall (D) None of the above

Last Answer : Answer: Option B

Construction joints are generally provided in concrete (A) Roads (B) Retaining walls (C) Lining of canals (D) All the above

Description : Construction joints are generally provided in concrete (A) Roads (B) Retaining walls (C) Lining of canals (D) All the above

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In counterfort type retaining walls (i) The vertical slab is designed as a continuous slab (ii) The heel slab is designed as a continuous slab (iii) The vertical slab is designed as a cantilever (iv) The heel slab is designed as a cantilever The correct answer is (A) (i) and (ii) (B) (i)and(iv) (C) (ii) and (iii) (D) (iii) and (iv)

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In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on (A) The front face in one direction (B) The front face in both directions (C) The inner face in one direction (D) The inner face in both directions

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Which of the following R.C. retaining walls is suitable for heights beyond 6 m? (A) L-shaped wall (B) T-shaped wall (C) Counterfort type (D) All of the above

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In counterfort retaining walls, the main reinforcement in the stem at support is (A) Not provided (B) Provided only on inner face (C) Provided only on front face (D) Provided both on inner and front faces

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Stones used for the construction of retaining walls must be (A) Soft (B) Hard (C) Light (D) Heavy

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Refractory bricks are used for (A) Retaining walls (B) Columns (C) Piers (D) Combustion chambers

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A heavy stone is suitable for (A) Arches (B) Rubble masonry (C) Roads (D) Retaining walls

Description : A heavy stone is suitable for (A) Arches (B) Rubble masonry (C) Roads (D) Retaining walls

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Weep holes are provided in retaining and breast walls (A) To drain off the water from the filling (B) To ventilate the stone masonry (C) To add architectural beauty (D) To increase compaction of the earth retained

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The cement, widely used in retaining walls, is (a) R.H.C (b) L.H.C (c) S.R.C. (d) O.P.C.

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The stability of a dam is checked for (A) Tension at the base (B) Overturning of the wall or dam (C) Sliding of the wall or dam (D) All of these

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The design of a retaining wall assumes that the retained earth (A) Is dry (B) Is free from moisture (C) Is not cohesive (D) All the above

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The design of heel slab of a retaining wall is based on the maximum bending moment due to: (A) Its own weight (B) Weight of the soil above it (C) Load of the surcharge, if any (D) All the above

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In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on (i) Bottom face near counterfort (ii) Top face near counterfort (iii) Bottom face near centre of span (iv) Top face near centre of span The correct answer is (A) Only (i) (B) Only (ii) (C) Both (i) and (iv) (D) Both (ii) and (iii)

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