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

0.367 xu

0.446 xu

0.573 xu

0.416 xu

0.367 xu

0.446 xu

0.573 xu

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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

(iii) and (iv)

(ii) and (iii)

(i) and (iv)

(i) and (ii)

(iii) and (iv)

(ii) and (iii)

(i) and (iv)

(i) and (ii)

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Concrete Technology and Design of Concrete Structures
Strength of concrete increases with

decrease in size of aggregate

increase in fineness of cement

increase in water-cement ratio

decrease in curing time

decrease in size of aggregate

increase in fineness of cement

increase in water-cement ratio

decrease in curing time

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Concrete Technology and Design of Concrete Structures
In case of hand mixing of concrete, the extra cement to be added is

15%

20%

5%

10%

15%

20%

5%

10%

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Concrete Technology and Design of Concrete Structures
In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by

50%

70 %

40%

60%

50%

70 %

40%

60%

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Concrete Technology and Design of Concrete Structures
Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ?

creep of concrete

loss due to friction

elastic shortening of concrete

shrinkage of concrete

creep of concrete

loss due to friction

elastic shortening of concrete

shrinkage of concrete

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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 Strength of concrete increases with

Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is

Concrete Technology and Design of Concrete Structures In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by

Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ?

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
Strength of concrete increases with

Concrete Technology and Design of Concrete Structures
In case of hand mixing of concrete, the extra cement to be added is

Concrete Technology and Design of Concrete Structures
In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by

Concrete Technology and Design of Concrete Structures
Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ?