GATE CE 2018 Set 1 — Question 51
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Structural Engineering → RC Fundamentals & Beams → Shear Design of Beams
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Question
An RCC beam of rectangular cross section has factored shear of 200 kN at its critical section. Its width is 250 mm and effective depth is 350 mm. Assume design shear strength of concrete as 0.62 N/mm and maximum allowable shear stress in concrete as 2.8 N/mm. If two legged 10 mm diameter vertical stirrups of Fe250 grade steel are used, then the required spacing (in cm, up to one decimal place) as per limit state method will be ______
Correct answer
7 to 9
Solution
1.Calculate nominal shear stress ():
2.Check against :
3.Determine shear to be resisted by stirrups ():
Since (), shear reinforcement is required.4.Calculate required spacing ():
For vertical stirrups: Where and .5.Convert to cm:
Rounding to one decimal place, the required spacing is 8.2 cm.Continue learning with Success Tracker
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