In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on

If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least __________ of main reinforcement.

A

40%

B

50%

C

60%

D

70%

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

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 the above

If ‘H’ 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

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

A

$${\text{h}} = \frac{{\text{W}}}{{{\text{Aw}}}}\left$$

B

$${\text{h}} = \frac{{\text{W}}}{{{\text{Aw}}}}\left$$

C

$${\text{h}} = \frac{{\text{W}}}{{{\text{Aw}}}}{\left^2}$$

D

$${\text{h}} = \sqrt {\frac{{\text{W}}}{{{\text{Aw}}}}} {\left^2}$$

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

A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be

A

$$\frac{2}{3}$$

B

$$\frac{3}{2}$$

C

$$\frac{5}{8}$$

D

$$\frac{8}{5}$$

When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

A

Less than the left half span

B

Whole of left half span

C

More than the left half span

D

Whole span

If ‘H’ is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be

A

0.75 H

B

0.85 H

C

1.0 H

D

1.5 H

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

$$\frac{{\text{b}}}{3}$$

B

$$\frac{{\text{b}}}{4}$$

C

$$\frac{{\text{b}}}{5}$$

D

$$\frac{{\text{b}}}{6}$$

In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on

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