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

0.573 xu

0.446 xu

0.367 xu

0.416 xu

0.573 xu

0.446 xu

0.367 xu

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Concrete Technology and Design of Concrete Structures
In order to obtain the best workability of concrete, the preferred shape of aggregate is

rounded

elongated

angular

All of these

rounded

elongated

angular

All of these

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Concrete Technology and Design of Concrete Structures
Approximate value of shrinkage strain in concrete, is

0.003

0.0003

0.03

3.0E-5

0.003

0.0003

0.03

3.0E-5

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Concrete Technology and Design of Concrete Structures
The approximate value of the ratio between direct tensile strength and flexural strength is

1

0.75

0.33

0.5

1

0.75

0.33

0.5

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Concrete Technology and Design of Concrete Structures
To determine the modulus of rupture, the size of test specimen used is

150 x150 x700 mm

150 x150 x500 mm

100 x100 x500 mm

100 x100 x700 mm

150 x150 x700 mm

150 x150 x500 mm

100 x100 x500 mm

100 x100 x700 mm

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Concrete Technology and Design of Concrete Structures
For a reinforced concrete section, the shape of shear stress diagram is

wholly parabolic

parabolic above neutral axis and rectangular below neutral axis

wholly rectangular

rectangular above neutral axis and parabolic below neutral axis

wholly parabolic

parabolic above neutral axis and rectangular below neutral axis

wholly rectangular

rectangular above neutral axis and parabolic below neutral axis

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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 In order to obtain the best workability of concrete, the preferred shape of aggregate is

Concrete Technology and Design of Concrete Structures Approximate value of shrinkage strain in concrete, is

Concrete Technology and Design of Concrete Structures The approximate value of the ratio between direct tensile strength and flexural strength is

Concrete Technology and Design of Concrete Structures To determine the modulus of rupture, the size of test specimen used is

Concrete Technology and Design of Concrete Structures For a reinforced concrete section, the shape of shear stress diagram 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
In order to obtain the best workability of concrete, the preferred shape of aggregate is

Concrete Technology and Design of Concrete Structures
Approximate value of shrinkage strain in concrete, is

Concrete Technology and Design of Concrete Structures
The approximate value of the ratio between direct tensile strength and flexural strength is

Concrete Technology and Design of Concrete Structures
To determine the modulus of rupture, the size of test specimen used is

Concrete Technology and Design of Concrete Structures
For a reinforced concrete section, the shape of shear stress diagram is