Short span column strip -ve moment at exterior support = 0 0.65 0.65 251.2 1.0 1.0 120.19 K N m 1 1 1 1 M 2.79 c -ve moment at exterior support = +ve moment 0.28 0.63 251.2 0.60 63.88 1 1 2.79 KNm 0 0.10 0.10 0.75 0.75 0.75 251.2 0.75 127.43 K N m 1 1 1 1 M 2.79 c Middle strip -ve moment at exterior support = 0 0.65 0.0 0.0 K N m 1 1 M c +ve mid-span moment = 0 0.28 0.28 0.63 0.40 0.63 251.2 0.40 42.59 1 1 1 1 M K N m 2.79 c -ve moment at interior span = 0 0.10 0.10 0.75 0.75 0.75 251.2 0.25 42.44 K N m 1 1 1 1 M 2.79 c j) Effective depth of the slab Thickness of the slab, from consideration of maximum positive moment any where in the slab.
Maximum +ve BM occurs in the column strip (long span) = 90.91 KNm factored moment = 1.50 x 90.91 = 136.36 KNm 17