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'
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The second story floor plan of a light storage warehouse is shown below.
1. Illustrate in plan view how the floor loads are transferred to all supporting
beams and girders.
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.
•
●
●
•
•
●
Live Loads:
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.
0
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 nomin
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.
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.
10'
10'
Open to
Below
12'
B
20¹
Cantilever
Balcony
0
4
12'
6'
6'
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