2. Calculate the loads from the floor acting on Columns G and I. Draw the idealized loading diagrams for all members that must be considered to calculate the loads acting on these two columns. Dead Loads: . The shaded office area has an 8" thick reinforced concrete floor slab as does the cantilever balcony. • The remaining space (with the exception of the opening) has a 6" thick reinforced concrete floor slab. • • ● • 0 0 All slabs have a 10 psf superimposed dead load. All exterior girders (drawn as thick lines) carry a 600 lb./ft. load from exterior walls. Live Loads: • Office and balcony areas have a live load of 50 lb./ft.² • The remaining space (with the exception of the opening) has live load of 125 psf. A Beams BE, EH, and HI carry a 300 lb./ft. load from interior partition walls. Assume all exterior girders are W21x101 steel beams (note: 21 is the nominal depth of the beam in inches and 101 is the self-weight in lb./ft.) Assume all interior beams are W18x86. Assume a unit weight of 150 lb./ft.³ for the concrete slabs. 10' 10' G Open to Below 12' B 0 D RC Hone Space) 20° L Cantilever. Balcony 0 12' 6'
2. Calculate the loads from the floor acting on Columns G and I. Draw the idealized loading diagrams for all members that must be considered to calculate the loads acting on these two columns. Dead Loads: . The shaded office area has an 8" thick reinforced concrete floor slab as does the cantilever balcony. • The remaining space (with the exception of the opening) has a 6" thick reinforced concrete floor slab. • • ● • 0 0 All slabs have a 10 psf superimposed dead load. All exterior girders (drawn as thick lines) carry a 600 lb./ft. load from exterior walls. Live Loads: • Office and balcony areas have a live load of 50 lb./ft.² • The remaining space (with the exception of the opening) has live load of 125 psf. A Beams BE, EH, and HI carry a 300 lb./ft. load from interior partition walls. Assume all exterior girders are W21x101 steel beams (note: 21 is the nominal depth of the beam in inches and 101 is the self-weight in lb./ft.) Assume all interior beams are W18x86. Assume a unit weight of 150 lb./ft.³ for the concrete slabs. 10' 10' G Open to Below 12' B 0 D RC Hone Space) 20° L Cantilever. Balcony 0 12' 6'
Architectural Drafting and Design (MindTap Course List)
7th Edition
ISBN:9781285165738
Author:Alan Jefferis, David A. Madsen, David P. Madsen
Publisher:Alan Jefferis, David A. Madsen, David P. Madsen
Chapter29: Design Criteria For Structural Loading
Section: Chapter Questions
Problem 29.3Q
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