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

(iii) and (iv)

(ii) and (iii)

(i) and (ii)

(i) and (iv)

(iii) and (iv)

(ii) and (iii)

(i) and (ii)

(i) and (iv)

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Concrete Technology and Design of Concrete Structures
The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is

Provided more on inner face than on front face

Provided more on front face than on inner face

Not needed

Provided equally on inner and front faces

Provided more on inner face than on front face

Provided more on front face than on inner face

Not needed

Provided equally on inner and front faces

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Concrete Technology and Design of Concrete Structures
Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than

35 MPa and 42 MPa

42 MPa and 35 MPa

42 MPa and 53 MPa

53 MPa and 42 MPa

35 MPa and 42 MPa

42 MPa and 35 MPa

42 MPa and 53 MPa

53 MPa and 42 MPa

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Concrete Technology and Design of Concrete Structures
Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is

(ii) and (iii)

(i) and (ii)

only (iii)

All (i), (ii) and (iii)

(ii) and (iii)

(i) and (ii)

only (iii)

All (i), (ii) and (iii)

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

inversely proportional to compressive strength

inversely proportional to square root of compressive strength

directly proportional to compressive strength

directly proportional to square root of compressive strength

inversely proportional to compressive strength

inversely proportional to square root of compressive strength

directly proportional to compressive strength

directly proportional to square root of compressive strength

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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

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

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is

Concrete Technology and Design of Concrete Structures Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than

Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer 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 temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is

Concrete Technology and Design of Concrete Structures
Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than

Concrete Technology and Design of Concrete Structures
Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer 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