In a two-way slab with simply supported edges on all sides (as per IS 456), torsion steel at free corners must be provided as:
Choose the correct answer
None required at simple corners
Mesh reinforcement of area ¾ × mid-span area, over a length of 1/5 of shorter span
Full mid-span area steel in both directions
Only bottom bars in both directions
Correct Answer
B. Mesh reinforcement of area ¾ × mid-span area, over a length of 1/5 of shorter span
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IS 456 Cl. D-2: At simply supported corners of a two-way slab, torsion steel = ¾ × steel provided at mid-span per unit width. It is provided in both top and bottom layers over a length = l_x/5.
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