Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is

Concrete Technology and Design of Concrete Structures
Sinking of an intermediate support of a continuous beam
i) reduces the negative moment at support
ii) increases the negative moment at support
iii) reduces the positive moment at center of span
iv) increases the positive moment at center of span
The correct answer is

(ii) and (iii)

(i) and (iii)

(i) and (iv)

(ii) and (iv)

(ii) and (iii)

(i) and (iii)

(i) and (iv)

(ii) and (iv)

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Concrete Technology and Design of Concrete Structures
In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on

the inner face in both directions

the front face in both directions

the inner face in one direction

the front face in one direction

the inner face in both directions

the front face in both directions

the inner face in one direction

the front face in one direction

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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)

(i) and (ii)

(ii) and (iii)

(iii) and (iv)

(i) and (iv)

(i) and (ii)

(ii) and (iii)

(iii) and (iv)

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Concrete Technology and Design of Concrete Structures
If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to

xv

Tv + Tc

xc

xv

Tv + Tc

xc

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Concrete Technology and Design of Concrete Structures
For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is

6 m

5 m

4 m

3.5 m

6 m

5 m

4 m

3.5 m

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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 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

directly proportional to compressive strength

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Concrete Technology and Design of Concrete Structures

Concrete Technology and Design of Concrete Structures In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on

Concrete Technology and Design of Concrete Structures If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to

Concrete Technology and Design of Concrete Structures For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit 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
In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on

Concrete Technology and Design of Concrete Structures
If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to

Concrete Technology and Design of Concrete Structures
For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is

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