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Question

A reinforced concrete beam of rectangular cross section of breadth 250 mm and effective depth of 450 mm is subjected to a factored shear force of 150 kN. The grade of concrete, main steel and stirrup steel are M20, Fe415 and Fe250 respectively. Design shear strength of concrete is 0.48N/mm2. The spacing of 2-legged 8 mm stirrups to be provided is ____ mm. [Give answer in multiple of 5]

A
100
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B
195
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C
36
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D
62
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Solution

The correct option is A 100
Vu=150 kN

Stirrups will be designed for Vus
Where,

Vus=Vuτc×Bd=(1500.48×450×250×103) kN=96 kNSpacing,S=0.87fyAsv×dVus =0.87×250×2×π4×82×45096×1000=102.49mm100 mm c/c (say)

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