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

Concrete Technology and Design of Concrete Structures
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

both (ii) and (iii)

only (ii)

both (i) and (iv)

only (i)

both (ii) and (iii)

only (ii)

both (i) and (iv)

only (i)

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Concrete Technology and Design of Concrete Structures
If a beam fails in bond, then its bond strength can be increased most economi-cally by

using thinner bars but more in number

using thicker bars but less in number

providing vertical stirrups

increasing the depth of beam

using thinner bars but more in number

using thicker bars but less in number

providing vertical stirrups

increasing the depth of beam

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Concrete Technology and Design of Concrete Structures
Strength of concrete increases with

increase in fineness of cement

decrease in curing time

increase in water-cement ratio

decrease in size of aggregate

increase in fineness of cement

decrease in curing time

increase in water-cement ratio

decrease in size of aggregate

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Concrete Technology and Design of Concrete Structures
Due to circumferential action of the spiral in a spirally reinforced column

Capacity of column is decreased but ductility of column increases

Capacity of column is decreased

Both the capacity of column and ductility of column increase

Ductility of column reduces

Capacity of column is decreased but ductility of column increases

Capacity of column is decreased

Both the capacity of column and ductility of column increase

Ductility of column reduces

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Concrete Technology and Design of Concrete Structures
Critical section for shear in case of flat slabs is at a distance of

effective depth of slab from periphery of column/drop panel

at the periphery of column

at the drop panel of slab

d/2 from periphery of column/capital/ drop panel

effective depth of slab from periphery of column/drop panel

at the periphery of column

at the drop panel of slab

d/2 from periphery of column/capital/ drop panel

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Concrete Technology and Design of Concrete Structures
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than

0.12

0.14

0.13

0.15

0.12

0.14

0.13

0.15

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures If a beam fails in bond, then its bond strength can be increased most economi-cally by

Concrete Technology and Design of Concrete Structures Strength of concrete increases with

Concrete Technology and Design of Concrete Structures Due to circumferential action of the spiral in a spirally reinforced column

Concrete Technology and Design of Concrete Structures Critical section for shear in case of flat slabs is at a distance of

Concrete Technology and Design of Concrete Structures The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than

Concrete Technology and Design of Concrete Structures
If a beam fails in bond, then its bond strength can be increased most economi-cally by

Concrete Technology and Design of Concrete Structures
Strength of concrete increases with

Concrete Technology and Design of Concrete Structures
Due to circumferential action of the spiral in a spirally reinforced column

Concrete Technology and Design of Concrete Structures
Critical section for shear in case of flat slabs is at a distance of

Concrete Technology and Design of Concrete Structures
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than