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

(ii) and (iii)

(iii) and (iv)

(i) and (ii)

(i) and (iv)

(ii) and (iii)

(iii) and (iv)

(i) and (ii)

(i) and (iv)

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Concrete Technology and Design of Concrete Structures
High carbon content in the steel causes

decrease in tensile strength but increase in ductility

decrease in both tensile strength and ductility

increase in tensile strength but decrease in ductility

increase in both tensile strength and ductility

decrease in tensile strength but increase in ductility

decrease in both tensile strength and ductility

increase in tensile strength but decrease in ductility

increase in both tensile strength and ductility

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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)

(ii) and (iii)

(i)and(iv)

(i) and (iii)

(ii) and (iv)

(ii) and (iii)

(i)and(iv)

(i) and (iii)

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

Ductility of column reduces

Both the capacity of column and ductility of column increase

Capacity of column is decreased

Capacity of column is decreased but ductility of column increases

Ductility of column reduces

Both the capacity of column and ductility of column increase

Capacity of column is decreased

Capacity of column is decreased but ductility of column increases

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Concrete Technology and Design of Concrete Structures
Minimum pitch of transverse reinforcement in a column is

sixteen times the smallest diameter of longitudinal reinforcement bar to be tied

lesser of the above three values

the least lateral dimension of the member

forty-eight times the diameter of transverse reinforcement

sixteen times the smallest diameter of longitudinal reinforcement bar to be tied

lesser of the above three values

the least lateral dimension of the member

forty-eight times the diameter of transverse reinforcement

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Concrete Technology and Design of Concrete Structures
According to IS : 456-1978, the fiexural strength of concrete is

directly proportional to compressive strength

directly proportional to square root of compressive strength

inversely proportional to square root of compressive strength

inversely proportional to compressive strength

directly proportional to compressive strength

directly proportional to square root of compressive strength

inversely proportional to square root of compressive strength

inversely proportional to compressive strength

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures High carbon content in the steel causes

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 Due to circumferential action of the spiral in a spirally reinforced column

Concrete Technology and Design of Concrete Structures Minimum pitch of transverse reinforcement in a column is

Concrete Technology and Design of Concrete Structures According to IS : 456-1978, the fiexural strength of concrete is

Concrete Technology and Design of Concrete Structures
High carbon content in the steel causes

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
Due to circumferential action of the spiral in a spirally reinforced column

Concrete Technology and Design of Concrete Structures
Minimum pitch of transverse reinforcement in a column is

Concrete Technology and Design of Concrete Structures
According to IS : 456-1978, the fiexural strength of concrete is