Design of the steel framework for an office building (1913)
Healy, Emmet Joseph, Peterson, Harold · leaf 20
x 0.5 = 10420 lb.Moment about R, = 2 x 17850 x 9 - 10420 x 11 - 18Rit= 0Ra = 24220 lb. Bending moment at section a-a = 6 x 12 x 24220 = 1744000 lb. a ins. Required i/c = 1744000 -5- 16000= 109 Use 2 - 15 Is 42# 41 4^ (b 13 Cornice BeamsWt. of tile = 60 lb. per cu. ft.6x2x1x60= 720 lb.per lineal ft.… … IZOO 6 83 lb. per ft.Assume 4 - in. reinforced-concrete slab over cornice.Wt of slab per lineal ft. = 6 x 0.33 x 150 = 300 lb.Total dead load of cornice per lineal ft. = 720 + 203 + 83+ 300 = 1306 lb. Use 1300 lb. as weight of cornice per lineal ft.Condition giving maximum moment in cornice beams…
Building, Iron and steel · Office buildings · Theses
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