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 (i) and (iv)
only (ii)
both (ii) and (iii)
only (i)

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Concrete Technology and Design of Concrete Structures
Examine the following statements :
i) Factor of safety for steel should be based on its yield stress,
ii) Factor of safety for steel should be based on its ultimate stress,
iii) Factor of safety for concrete should be based on its yield stress,
iv) Factor of safety for concrete should be based on its ultimate stress.
The correct statements are

(ii) and (iv)
(ii) and (iii)
(i) and (iii)
(i) and (iv)

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