Question

Assignment #1 A three-story office building, determine the total dead & live loads by columns A1 and C3 and beams. The precast exterior wall supported by the perimeter beams weighs 600 lb/ft. The floor system consists of a 6 in-thick reinforced concrete slab. 25 5-0 BEAM -0 12 14 Beam 12" Column Framing Plan

Answer 1

"office Building table 4.1 of A c I 1. Roof dice load = 20 psf 2. floor dice load = office = 50 psf 3. loads on cal A: are form beam A of B A_1 - A_2 + self load of column load on (roof) D L = 6"" times 150/12 = 75 pd f LL = 20 psf W_n_roof = 1.2 times 75 + 1.6 times 20 = 90 + 32 = 122 psf D L = 75 psf LL = 50 W_u_floor = 1.2 times 75 + 1.6 times 80 = 90 + 128 = 218 psf double Beam A_1 - B_1 at roof load i) self load = 150 times 14 times 24/144 = 350 psf load from roof = 122 times 25/3 = 101 plf total 1367 plf at floor load i) self load = 350 p lf ii) wall load = 600 lb /ft iii) load from floor slab = 218 times 25/3 = 1817 plf total = 2767 plf similar load are there on at from Beam A_1 - A_2"