In counterfort type retaining wallsi) the vertical slab is designed as a continuous slabii) the heel slab is designed as a continuous slabiii) the vertical slab is designed as a cantileveriv) the heel slab is designed as a cantileverThe correct answer is

Concrete Technology and Design of Concrete Structures
In counterfort type retaining wallsi) the vertical slab is designed as a continuous slabii) the heel slab is designed as a continuous slabiii) the vertical slab is designed as a cantileveriv) the heel slab is designed as a cantileverThe correct answer is

(i) and (ii)

(i) and (iv)

(iii) and (iv)

(ii) and (iii)

(i) and (ii)

(i) and (iv)

(iii) and (iv)

(ii) and (iii)

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Concrete Technology and Design of Concrete Structures
Prestress loss due to friction occurs

in both post-tensioned and preten-sioned beams

only in pretensioned beams

only in post-tensioned beams

None of these

in both post-tensioned and preten-sioned beams

only in pretensioned beams

only in post-tensioned beams

None of these

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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 compressions remain unchanged but lever arm changes with the moment

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

forces of tension and compression change but lever arm remains unchanged

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

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 remain unchanged

forces of tension and compression change but lever arm remains unchanged

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Concrete Technology and Design of Concrete Structures
In counterfort retaining walls, the main reinforcement in the stem at support is

Provided only on front face

Provided both on inner and front faces

Not provided

Provided only on inner face

Provided only on front face

Provided both on inner and front faces

Not provided

Provided only on inner face

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Concrete Technology and Design of Concrete Structures
The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is

(ii) and (iv)

(i)and(iv)

(ii) and (iii)

(i) and (iii)

(ii) and (iv)

(i)and(iv)

(ii) and (iii)

(i) and (iii)

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Concrete Technology and Design of Concrete Structures
Minimum thickness of load bearing RCC wall should be

40 mm

50 mm

100 mm

105 mm

40 mm

50 mm

100 mm

105 mm

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs

Concrete Technology and Design of Concrete Structures In prestressed concrete

Concrete Technology and Design of Concrete Structures In counterfort retaining walls, the main reinforcement in the stem at support is

Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is

Concrete Technology and Design of Concrete Structures Minimum thickness of load bearing RCC wall should be

Concrete Technology and Design of Concrete Structures
Prestress loss due to friction occurs

Concrete Technology and Design of Concrete Structures
In prestressed concrete

Concrete Technology and Design of Concrete Structures
In counterfort retaining walls, the main reinforcement in the stem at support is

Concrete Technology and Design of Concrete Structures
The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is

Concrete Technology and Design of Concrete Structures
Minimum thickness of load bearing RCC wall should be