Description : he lateral earth pressure on a retaining wall (A) Is equal to mass of the soil retained (B) Proportional to the depth of the soil (C) Proportional to the square of the depth of the soil (D) Proportional to the internal friction of the soil
Last Answer : (D) Proportional to the internal friction of the soil
Description : To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than (A) b/3 (B) b/4 (C) b/5 (D) b/6
Last Answer : Answer: Option D
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
Description : Pick up the incorrect statement from the following: (A) The retaining wall should be structurally capable to resist the applied earth pressure (B) The section of the retaining wall should be so ... off water from the earth retained, weep holes are provided near the top of the retaining wall
Description : 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
Last Answer : Answer: Option A
Description : Coulomb's wedge theory assumes that (A) Back fill is dry, cohesionless, homogeneous and isotropic (B) Slip surface is the plane which passes through the heel of the wall (C) Position and direction of the resultant earth pressure are known (D) All the above
Last Answer : (D) All the above
Description : Rankine's theory of active earth pressure assumes (A) Soil mass is homogeneous, dry and cohesionless (B) Ground surface is a plane which may be horizontal or inclined (C) Back of the wall is vertical and smooth (D) All the above
Description : 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
Description : 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 ... ) (B) Only (ii) (C) Both (i) and (iv) (D) Both (ii) and (iii)
Last Answer : Answer: Option C
Description : Rankine's theory of earth pressure assumes that the back of the wall is (A) Plane and smooth (B) Plane and rough (C) Vertical and smooth (D) Vertical and rough
Description : Consider the following statements regarding Coulomb's theory of earth pressure: 1. It is based on wedge theory of earth pressure. 2. It assumes the wall surface to be rough. 3. It may or may not satisfy the static equilibrium condition ... 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only
Last Answer : (b) 1 & 2 only
Description : The change of moisture content of soils, changes the (A) Value of the angle of repose (B) Amount of compaction required (C) Cohesive strength of soil (D) All the above
Description : 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
Description : A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant ... inclined to the horizontal at an angle of (A) 7° (B) 10° (C) 12° (D) 17
Last Answer : (C) 12°
Description : Pick up the correct definition from the following: (A) The lateral pressure exerted by the soil when the retaining wall moves away from the back fill, is generally known as active earth pressure of the soil (B ... the back fill, is known as 'earth pressure at rest of the soil (D) All the above
Description : 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
Description : The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is (A) 51.5 (B) 52.5 (C) 53.5 (D) 54.5
Description : Pick up the incorrect statement from the following: (A) In the stem of a retaining wall, reinforcement is provided near the earth side (B) In the toe slab of a retaining wall, reinforcement is ... slab of a retaining wall, reinforcement is provided at the top of the slab (D) None of these
Description : Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of (A) h/4 (B) h/3 (C) h/2 (D) 2h/3
Description : In the estimate of design flood, Dickens assumes that high flood in cumecs, is proportional to catchment area raised to the power (A) 1/4 (B) 1/2 (C) 3/4 (D) 2/3
Description : A wall constructed to resist the pressure of an earth filling, is called (A) Retaining wall (B) Breast wall (C) Buttress (D) Parapet wall
Last Answer : Option A
Description : A failure wedge develops if a retaining wall (A) Moves away from the backfill (B) Moves towards the backfill (C) Sinks downwards (D) Stresses equally by vertical and horizontal forces
Description : The major principal stress in an element of cohesion-less soil within the backfill of a retaining wall is (A) Vertical if the soil is in an active state of plastic equilibrium (B) Vertical if the ... state of plastic equilibrium (C) Inclined at 45° to the vertical plane (D) None of the above
Description : The thickness of base slab of a retaining wall generally provided, is (A) One half of the width of the stem at the bottom (B) One-third of the width of the stem at the bottom (C) One fourth of the width of the steam at the bottom (D) Width of the stem at the bottom
Description : If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is (A) 0.3 H (B) 0.4 H (C) 0.5 H (D) 0.7 H
Description : In a cantilever retaining wall without a heel slab (A) Thickness of the stem is kept same throughout (B) Base slab is made 10 cm thicker than the stem (C) Width of the base slab is kept 0.7 time the total height of the wall (D) All the above
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
Description : The wall constructed for the stability of an excavated portion of a road on the hill side, is known as (A) Retaining wall (B) Breast wall (C) Parapet wall (D) All the above
Description : The wall constructed for the stability of a back filling portion of a road on the downhill side, is known as (A) Retaining wall (B) Breast wall (C) Parapet wall (D) All the above
Description : The dock wall is designed as a gravity retaining wall and is tested for (A) Back fill pressure when the dock is empty (B) Maximum water pressure from the dock without any back fill (C) The load charge ... to the dock by the movement of loaded vehicles or trains on the way (D) All of the above
Last Answer : (D) All of the above
Description : Pick up the correct statement from the following: (A) The breakwater which can be used as a platform for loading and unloading of cargo is called a mole (B) The brick masonry retaining wall which is ... wall (C) Three types of break waters are generally provided in harbours (D) All of the above
Description : A T-shaped retaining wall mainly consists of (A) One cantilever (B) Two cantilevers (C) Three cantilevers (D) Four cantilevers
Last Answer : (C) Three cantilevers
Description : The main reinforcement in the toe of a T-shaped R C. retaining wall is provided on (i) Top face parallel to the wall (ii) Top face perpendicular to the wall (iii) Bottom face parallel to the wall (iv) ... (i) and (ii) are correct (C) (iii) and (iv) are correct (D) Only (iv) is correct
Description : The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on (A) Top face perpendicular to wall (B) Bottom face perpendicular to wall (C) Both top and bottom faces perpendicular to wall (D) None of these
Description : 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
Description : In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on (A) Front face only (B) Inner face only (C) Both front face and inner face (D) None of the above
Description : In a counterfort retaining wall, the main reinforcement is provided on the (i) Bottom face in front counterfort (ii) Inclined face in front counterfort (iii) Bottom face in back counterfort (iv) Inclined face in back counterfort ... (B) (ii) and (iii) (C) (i) and (iv) (D) (iii) and (iv)
Description : The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is (A) Not needed (B) Provided equally on inner and front faces (C) Provided more on inner face than on front face (D) Provided more on front face than on inner face
Description : The stepped structure provided for lateral support of a structure, is (A) Retaining wall (B) Breast wall (C) Buttress (D) Parapet wall
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.
Description : 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
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
Description : Pick up the cohesive soil from the following: (A) Red earth (B) Clay (C) Black cotton soil (D) Compacted ground
Description : Pick up the correct statement from the following: (A) O.M.C. refers to the moisture corresponding to the maximum point on the moisture content dry density curve (B) The line which shows moisture content dry ... void line (C) The free fall of hammer for compaction is 30.5 cm (D) All the above
Description : Which model assumes that systems are created fromreusable components, scripting or database programming? a) An application-composition model b) A post-architecture model c) A reuse model d) An early design model
Last Answer : a) An application-composition model
Description : Who would introduce me some academic methods of retaining wall(was dragged by a equipment)?
Last Answer : I just need the method，so the depth of water，the hight of wall, drag force, and so on can be represented by the English alphabets.
Description : What are the white crystal-like substances that appear on my retaining wall after it rains?
Last Answer : I believe this is lime or some other soluble mineral leaching through. It’s probably nothing to worry about, if that’s the case. If it’s some kind of mildew, then that might be worth getting a treatment or sealant.
Description : Putting 3 steps in next to retaining wall, but Will tree roots "weeping" affect it?
Last Answer : Need Answer
Description : What is the cheapest retaining wall material?
Last Answer : A retaining wall can help serve many purposes since it can be installed in various places as per the need be. It is possible to build an inexpensive retaining wall; however; the cheapest is ... first. For example, suppose the main reason you require a retaining wall is for residential purposes. I
Description : What are the best methods for constructing a retaining wall?
Last Answer : The type of wall you require will depend very much on the required height of the wall, the slope of the ground above the wall, the type of soil and the weight applied on the soil above the ground - from trucks, cars, etc. for info http://www.doityourself.com/stry/buildretainwall