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
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)

0.446 xu

0.573 xu

0.367 xu

0.416 xu

0.446 xu

0.573 xu

0.367 xu

0.416 xu

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

increase in both tensile strength and ductility

increase in tensile strength but decrease in ductility

decrease in both tensile strength and ductility

decrease in tensile strength but increase in ductility

increase in both tensile strength and ductility

increase in tensile strength but decrease in ductility

decrease in both tensile strength and ductility

decrease in tensile strength but increase in ductility

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Concrete Technology and Design of Concrete Structures
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than

0.14

0.15

0.13

0.12

0.14

0.15

0.13

0.12

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

the least lateral dimension of the member

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

forty-eight times the diameter of transverse reinforcement

lesser of the above three values

the least lateral dimension of the member

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

forty-eight times the diameter of transverse reinforcement

lesser of the above three values

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Concrete Technology and Design of Concrete Structures
The strength of concrete after one year as compared to 28 days strength is about

25 to 50% more

10 to 15% more

15 to 20% more

20 to 25% more

25 to 50% more

10 to 15% more

15 to 20% more

20 to 25% more

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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 (iv)

(iii) and (iv)

(ii) and (iii)

(i) and (ii)

(i) and (iv)

(iii) and (iv)

(ii) and (iii)

(i) and (ii)

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Concrete Technology and Design of Concrete Structures

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 High carbon content in the steel causes

Concrete Technology and Design of Concrete Structures The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than

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

Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about

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
High carbon content in the steel causes

Concrete Technology and Design of Concrete Structures
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than

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

Concrete Technology and Design of Concrete Structures
The strength of concrete after one year as compared to 28 days strength is about