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)

0.446 xu

0.573 xu

0.367 xu

0.416 xu

0.446 xu

0.573 xu

0.367 xu

0.416 xu

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Concrete Technology and Design of Concrete Structures
To minimize the effect of differential settlement, the area of a footing should be designed for

Dead load only

Live load + fraction of dead load

Dead load + live load

Dead load + fraction of live load

Dead load only

Live load + fraction of dead load

Dead load + live load

Dead load + fraction of live load

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Concrete Technology and Design of Concrete Structures
The slab is designed as one way if the ratio of long span to short span is

less than 1

between 1 and 1.5

greater than 2

between 1.5 and 2

less than 1

between 1 and 1.5

greater than 2

between 1.5 and 2

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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 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

inversely proportional to compressive strength

inversely proportional to square root of compressive strength

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Concrete Technology and Design of Concrete Structures
According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is

0.43 d

0.55 d

0.85 d

0.68 d

0.43 d

0.55 d

0.85 d

0.68 d

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Concrete Technology and Design of Concrete Structures
The minimum cover to the ties or spirals should not be less than

20 mm

15 mm

25 mm

50mm

20 mm

15 mm

25 mm

50mm

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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 To minimize the effect of differential settlement, the area of a footing should be designed for

Concrete Technology and Design of Concrete Structures The slab is designed as one way if the ratio of long span to short span 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 According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is

Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than

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
To minimize the effect of differential settlement, the area of a footing should be designed for

Concrete Technology and Design of Concrete Structures
The slab is designed as one way if the ratio of long span to short span 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
According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is

Concrete Technology and Design of Concrete Structures
The minimum cover to the ties or spirals should not be less than