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)

0.416 xu

0.446 xu

0.573 xu

0.367 xu

0.416 xu

0.446 xu

0.573 xu

0.367 xu

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Concrete Technology and Design of Concrete Structures
The average permissible stress in bond for plain bars in tension is

decreased by 25% for bars in compression

decreased by 10% for bars in compression

increased by 10% for bars in compression

increased by 25% for bars in compression

decreased by 25% for bars in compression

decreased by 10% for bars in compression

increased by 10% for bars in compression

increased by 25% for bars in compression

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Concrete Technology and Design of Concrete Structures
Increase in the moisture content in concrete

All of these

increases the strength

reduces the strength

does not change the strength

All of these

increases the strength

reduces the strength

does not change the strength

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Concrete Technology and Design of Concrete Structures
Modulus of elasticity of steel as per IS : 456-1978 shall be taken as

200kN/mm²

200 kN/cm²

2xl06N/cm²

20 kN/cm²

200kN/mm²

200 kN/cm²

2xl06N/cm²

20 kN/cm²

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Concrete Technology and Design of Concrete Structures
The limits of percentage p of the longitudinal reinforce-ment in a column is given by

0.15% to 2%

0.8% to 6%

0.8% to 8%

0.8% to 4%

0.15% to 2%

0.8% to 6%

0.8% to 8%

0.8% to 4%

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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

4 m

5 m

6 m

3.5 m

4 m

5 m

6 m

3.5 m

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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 The average permissible stress in bond for plain bars in tension is

Concrete Technology and Design of Concrete Structures Increase in the moisture content in concrete

Concrete Technology and Design of Concrete Structures Modulus of elasticity of steel as per IS : 456-1978 shall be taken as

Concrete Technology and Design of Concrete Structures The limits of percentage p of the longitudinal reinforce-ment in a column is given by

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
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 average permissible stress in bond for plain bars in tension is

Concrete Technology and Design of Concrete Structures
Increase in the moisture content in concrete

Concrete Technology and Design of Concrete Structures
Modulus of elasticity of steel as per IS : 456-1978 shall be taken as

Concrete Technology and Design of Concrete Structures
The limits of percentage p of the longitudinal reinforce-ment in a column is given by

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