If p1 and P2 are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is____________________?

Related Mcqs:

1. per unit run exerted by the Total pressure on the vertical face of a retaining wall of height retained earth weighing per unit volume, is___________________?

   A. wh [(1 – )/(1 + sin )]
   B. wh² [(1 – )/(1 + sin )]
   C. wh² [(1 – )/2(1 + sin )]
   D. wh² [(1 – )/3(1 + sin )]

2. If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight w per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is )/(1 + sin )]_________________?

   A. h = (W/Aw) [(1 –
   B. h = (W/Aw) [(1 + )/(1 + sin )]
   C. h = (W/Aw) [(1 – )/(1 + sin )]²
   D. h W/Aw) [(1 – )/(1 + sin )]²

3. 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

4. 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

5. 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

6. For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is_______________?

   A. wl²/4
   B. wl²/8
   C. wl²/12
   D. wl²/16

7. 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

8. A retaining wall and is the horizontal earth pressure, the factor of safety If is weight of against sliding, is_____________?

   A. 1.0
   B. 1.25
   C. 1.5
   D. 2.0

9. In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed________________?

   A. 10 mm
   B. 15 mm
   C. 20 mm
   D. 25 mm

10. An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus_______________?

    A. Triangular load of the wall
    B. UDL of wall
    C. UDL of wall + load from the roof
    D. Triangular load + load from the roof