n) Reinforcement details Longer span -ve exterior reinforcement: 0.87 [ 0.42 ] 1.5 121.34 10 0.87 415 [150 0.42 0.48 150] M f A d x u y st u 6 A 4209 mm 2 A st Use 12 mm bars = 4209 38 No.s 113 st 1.4 1000 c/c spacing is = 36 mm c/c 38 +ve steel:- 2 1.5 90 10 43239.3 6 A st A st 3122 mm 3122 Use 12 mm bars = 28 . 113 3.8 1000 / spacing = 135 mm c/c 28 No s c c Reinforcement along shorter span: Column strip: M f A d x u y st u 0.87 [ 0.42 ] 1.5 127.5 10 0.87 415 [140 0.42 0.48 140] 6 A st Use 12 mm bars = 2 3768.9 33 No.s (12) A st 3768.9 mm 2 4 1.4 1000 c/c spacing is = 42 mm c/c 33 Middle strip:
M f A d x 0.87 [ 0.42 ] 1.5 63.88 10 0.87 415 [281 0.42 0.48 281] u y st u 6 A A 1182 mm 2 st Use 12 mm bars = 2 1182 10 No.s (12) st 4 2.8 1000 c/c spacing is = 280 mm c/c 10 20