A 24-ft-long simply supported wood beam sup ports three 1,200-lb concentrated loads that are located at the quarter points of the span. The allowable bending stress of the wood is 1,800 psi. If the aspect ratio of the solid rectangular wood beam is specified as h/b 2.0, determine the minimum width b that can be used for the beam.

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ISBN:9781337094740
Author:Segui, William T.
Publisher:Segui, William T.
Chapter10: Plate Girders
Section: Chapter Questions
Problem 10.7.8P
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A 24-ft-long simply supported wood beam sup ports three 1,200-lb concentrated
loads that are located at the quarter points of the span. The allowable bending stress
of the wood is 1,800 psi. If the aspect ratio of the solid rectangular wood beam is
specified as h/b 2.0, determine the minimum width b that can be used for the beam.
1,200 lb
1,200 lb
1,200 lb
C
E
6 ft
6 ft
6 ft
6 ft
Beam and loading.
Cross section.
O b>=7.98 in.
O b>=8.10 in.
O b>=9.12 in.
Ob>= 5.24 in.
O b>=7.67 in,
O b>=6.78 in.
Transcribed Image Text:A 24-ft-long simply supported wood beam sup ports three 1,200-lb concentrated loads that are located at the quarter points of the span. The allowable bending stress of the wood is 1,800 psi. If the aspect ratio of the solid rectangular wood beam is specified as h/b 2.0, determine the minimum width b that can be used for the beam. 1,200 lb 1,200 lb 1,200 lb C E 6 ft 6 ft 6 ft 6 ft Beam and loading. Cross section. O b>=7.98 in. O b>=8.10 in. O b>=9.12 in. Ob>= 5.24 in. O b>=7.67 in, O b>=6.78 in.
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