Computer · Design of Concrete Structures
The expression for additional tension reinforcement (A st2 ) in a doubly reinforced beam is given by:
- 1A st2 = 1.15 f y A sc × f sc
- 2A st2 = 0.87 f y A sc × (f sc - f cc )
- 3A st2 = A sc × (f sc - f cc ) f y
- 4A st2 = A sc × (f sc - f cc ) 0.87 f y✓
Correct answer
A st2 = A sc × (f sc - f cc ) 0.87 f y
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