In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided oni) bottom face near counterfortii) top face near counterfortiii) bottom face near centre of spaniv) 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 oni) bottom face near counterfortii) top face near counterfortiii) bottom face near centre of spaniv) top face near centre of span The correct answer is

both (i) and (iv)

only (i)

both (ii) and (iii)

only (ii)

both (i) and (iv)

only (i)

both (ii) and (iii)

only (ii)

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Concrete Technology and Design of Concrete Structures
In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by

60%

40%

70 %

50%

60%

40%

70 %

50%

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Concrete Technology and Design of Concrete Structures
Ratio of permissible stress in direct compression and bending compression is

greater than 2

between 1.5 and 2.0

less than 1

between 1 and 1.5

greater than 2

between 1.5 and 2.0

less than 1

between 1 and 1.5

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Concrete Technology and Design of Concrete Structures
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

0.416 xu

0.446 xu

0.367 xu

0.573 xu

0.416 xu

0.446 xu

0.367 xu

0.573 xu

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Concrete Technology and Design of Concrete Structures
Ultimate strength of cold drawn high steel wires

increases with increase in diameter of bar

decreases with increase in diameter of bar

None of these

does not depend on diameter of bar

increases with increase in diameter of bar

decreases with increase in diameter of bar

None of these

does not depend on diameter of bar

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Concrete Technology and Design of Concrete Structures
In prestressed concrete

both forces of tension and compres-sion as well as lever arm change

forces of tension and compression change but lever arm remains unchanged

both forces of tension and compres-sion as well as lever arm remain unchanged

forces of tension and compressions remain unchanged but lever arm changes with the moment

both forces of tension and compres-sion as well as lever arm change

forces of tension and compression change but lever arm remains unchanged

both forces of tension and compres-sion as well as lever arm remain unchanged

forces of tension and compressions remain unchanged but lever arm changes with the moment

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by

Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is

Concrete Technology and Design of Concrete Structures The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

Concrete Technology and Design of Concrete Structures Ultimate strength of cold drawn high steel wires

Concrete Technology and Design of Concrete Structures In prestressed concrete

Concrete Technology and Design of Concrete Structures
In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by

Concrete Technology and Design of Concrete Structures
Ratio of permissible stress in direct compression and bending compression is

Concrete Technology and Design of Concrete Structures
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

Concrete Technology and Design of Concrete Structures
Ultimate strength of cold drawn high steel wires

Concrete Technology and Design of Concrete Structures
In prestressed concrete