RCC STRUCTURES DESIGN QUIZ

If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be.

Straight above centroidal axis

Parabolic with convexity downward

Parabolic with convexity upward

Straight below centroidal axis

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Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to

Moment of the beam section about its neutral axis

Distance of the C.G. of the area from its neutral axis

Area of the section

Shear force

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After pre-stressing process is completed, a loss of stress is due to

All of the listed here

Elastic shortening of concrete

Creep of concrete

Shrinkage of concrete

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Steel beam theory is used for

Beams if shear exceeds 4 times allowable shear stress

Design of simple steel beams

Doubly reinforced beams ignoring compressive stress in concrete

Steel beams encased in concrete

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The design of a retaining wall assumes that the retained earth

Is dry

Is free from moisture

Is not cohesive

All listed here

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Thickened part of a flat slab over its supporting column, is technically known as

Drop panel

Capital

Column head

None of these

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An R.C.C. column is treated as long if its slenderness ratio is greater than

50

30

35

40

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Lapped splices in tensile reinforcement are generally not used for bars of size larger than

36 mm diameter

30 mm diameter

24 mm diameter

18 mm diameter

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As per IS : 1343, total shrinkage for a pre-tensioned beam, is

3.5 × 10⁻⁵

3.0 × 10⁻⁵

3.0 × 10⁻³

3.0 × 10⁻²

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A flat slab is supported

On beams and columns

On columns

On columns monolithically built with slab

On beams

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