In counterfort type retaining walls i) the vertical slab is designed as a continuous slab ii) the heel slab is designed as a continuous slab iii) the vertical slab is designed as a cantilever iv) the heel slab is designed as a cantilever The correct answer is

Concrete Technology and Design of Concrete Structures
In counterfort type retaining walls i) the vertical slab is designed as a continuous slab ii) the heel slab is designed as a continuous slab iii) the vertical slab is designed as a cantilever iv) the heel slab is designed as a cantilever The correct answer is

(i) and (iv)

(iii) and (iv)

(i) and (ii)

(ii) and (iii)

(i) and (iv)

(iii) and (iv)

(i) and (ii)

(ii) and (iii)

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Concrete Technology and Design of Concrete Structures
In a ring beam subjected to uniformly distributed load
i) shear force at mid span is zero
ii) shear force at mid span is maximum
iii) torsion at mid span is zero
iv) torsion at mid span is maximum
The correct answer is

(i) and (iii)

(ii) and (iv)

(ii) and (iii)

(i) and (iv)

(i) and (iii)

(ii) and (iv)

(ii) and (iii)

(i) and (iv)

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Concrete Technology and Design of Concrete Structures
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

depends on as, only

depends on aCbC only

is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression.

depends on both crst and acbc

depends on as, only

depends on aCbC only

is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression.

depends on both crst and acbc

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Concrete Technology and Design of Concrete Structures
If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called

under-reinforced beam

over-reinforced beam

balanced beam

None of these

under-reinforced beam

over-reinforced beam

balanced beam

None of these

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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)

both (i) and (iv)

only (ii)

both (ii) and (iii)

only (i)

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

decrease in size of aggregate

increase in water-cement ratio

increase in fineness of cement

decrease in curing time

decrease in size of aggregate

increase in water-cement ratio

increase in fineness of cement

decrease in curing time

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximumThe correct answer is

Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

Concrete Technology and Design of Concrete Structures If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called

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

Concrete Technology and Design of Concrete Structures
In a ring beam subjected to uniformly distributed load
i) shear force at mid span is zero
ii) shear force at mid span is maximum
iii) torsion at mid span is zero
iv) torsion at mid span is maximum
The correct answer is

Concrete Technology and Design of Concrete Structures
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section

Concrete Technology and Design of Concrete Structures
If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called

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