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An RCC beam of rectangular cross section has factored shear of 200 kN at its critical section

An RCC beam of rectangular cross section has factored shear of 200 kN at its critical section

Q. An RCC beam of rectangular cross section has factored shear of 200 kN at its critical section. Its width b is 250 mm and effective depth d is 350 mm. Assume design shear strength ๐‘Ÿ๐‘ of concrete as 0.62 N/mm2 and maximum allowable shear stress ๐‘Ÿ๐‘,๐‘š๐‘Ž๐‘ฅ in concrete as 2.8 N/mm2. 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 ย ย ย ย ย ย ย ย ย ย 

Ans: 7 โ€“ 9

Sol:

According to the limit state of shear Minimum shear stirrups are given by

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