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Tension Members in Roof Trusses Use LRFD and design the tension members of the roof truss shown in Figure P3.8-4. Use double-angle shapes throughout and assume 6-inch-thick gusset plates and welded connections. Assume a shear lag factor of U 00.80. The trusses are spaced at 30 feet. Use A36 steel and design for the following loads. Metal deck 4 psf of roof surface Built-up roof. 12 psf of roof surface Purlins: 3 psf of roof surface (estimated) Snow: 20 psf of horizontal projection Truss weight: 5 psf of horizontal projection (estimated) 8 @ 10' = 80'

Tension Members in Roof Trusses Use LRFD and design the tension members of the roof truss shown in Figure P3.8-4. Use double-angle shapes throughout and assume 6-inch-thick gusset plates and welded connections. Assume a shear lag factor of U 00.80. The trusses are spaced at 30 feet. Use A36 steel and design for the following loads. Metal deck 4 psf of roof surface Built-up roof. 12 psf of roof surface Purlins: 3 psf of roof surface (estimated) Snow: 20 psf of horizontal projection Truss weight: 5 psf of horizontal projection (estimated) 8 @ 10' = 80'

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Tension Members in Roof Trusses Use LRFD and design the tension members of the roof truss shown in Figure P3.8-4. Use double-angle shapes throughout and assume %-inch-thick gusset plates and welded connections. Assume a shear lag factor of U 00.80. The trusses are spaced at 30 feet. Use A36 steel and design for the following loads. Metal deck: 4 psf of roof surface Built-up roof: 12 psf of roof surface Purlins: 3 psf of roof surface (estimated) Snow: 20 psf of horizontal projection Truss weight: 5 psf of horizontal projection (estimated) 8' 8 @ 10' = 80'
Transcribed Image Text:Tension Members in Roof Trusses Use LRFD and design the tension members of the roof truss shown in Figure P3.8-4. Use double-angle shapes throughout and assume %-inch-thick gusset plates and welded connections. Assume a shear lag factor of U 00.80. The trusses are spaced at 30 feet. Use A36 steel and design for the following loads. Metal deck: 4 psf of roof surface Built-up roof: 12 psf of roof surface Purlins: 3 psf of roof surface (estimated) Snow: 20 psf of horizontal projection Truss weight: 5 psf of horizontal projection (estimated) 8' 8 @ 10' = 80'
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