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)

0.367 xu

0.573 xu

0.446 xu

0.416 xu

0.367 xu

0.573 xu

0.446 xu

0.416 xu

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Concrete Technology and Design of Concrete Structures
A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D) is less than

5.5

4.5

3.5

2.5

5.5

4.5

3.5

2.5

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Concrete Technology and Design of Concrete Structures
Poisson’s ratio for concrete

remains constant

decreases with richer mixes

increases with richer mixes

None of these

remains constant

decreases with richer mixes

increases with richer mixes

None of these

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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

15 to 20% more

20 to 25% more

10 to 15% more

25 to 50% more

15 to 20% more

20 to 25% more

10 to 15% more

25 to 50% more

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Concrete Technology and Design of Concrete Structures
Modulus of rupture of concrete is a measure of

split tensile strength

flexural tensile strength

direct tensile strength

compressive strength

split tensile strength

flexural tensile strength

direct tensile strength

compressive 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

2xl06N/cm²

200 kN/cm²

200kN/mm²

20 kN/cm²

2xl06N/cm²

200 kN/cm²

200kN/mm²

20 kN/cm²

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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 A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D) is less than

Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete

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 Modulus of rupture of concrete is a measure of

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 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
A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D) is less than

Concrete Technology and Design of Concrete Structures
Poisson’s ratio for concrete

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
Modulus of rupture of concrete is a measure of

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