RCC Structures Design
Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. According to Rankine Grashoff theory

(wx/wy) = (ly/lx)
None of these
(wx/wy) = (ly/lx)²
(wx/wy) = (ly/lx)⁴

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RCC Structures Design
As per IS : 456, the reinforcement in a column should not be less than

0.6% and not more than 6% of cross-sectional area
0.7% and not more than 7% of cross-sectional area
0.8% and not more than 8% of cross-sectional area
0.5% and not more than 5% of cross-sectional area

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