The wood beam supports loads of w = 420 lb/ft and P = 1020 lb on span lengths of LAB = 11.6 ft, LBC = 5.8 ft, and LcD= 5.8 ft. The beam cross section has dimensions of b1 = 1.5 in., d1 = 4.5 in., b2 = 4.5 in., and d2 = 12.85 in. Determine the magnitude and location of: (a) the maximum horizontal shear stress in the beam. (b) the maximum tensile bending stress in the beam. P di d2 B D A LAB LBC LCD b2 b

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The wood beam supports loads of w = 420 lb/ft and P = 1020 Ib on span lengths of LAB = 11.6 ft, LBc = 5.8 ft, and LCD= 5.8 ft. The beam
cross section has dimensions of bq = 1.5 in., d1 = 4.5 in., b2 = 4.5 in., and d2 = 12.85 in. Determine the magnitude and location of:
(a) the maximum horizontal shear stress in the beam.
%3D
(b) the maximum tensile bending stress in the beam.
P
w
dj
d2
B
D
LaB
LBC
LcD
b2
b1
Answer:
(a) Tmax
psi
(b) Omax
psi
Transcribed Image Text:The wood beam supports loads of w = 420 lb/ft and P = 1020 Ib on span lengths of LAB = 11.6 ft, LBc = 5.8 ft, and LCD= 5.8 ft. The beam cross section has dimensions of bq = 1.5 in., d1 = 4.5 in., b2 = 4.5 in., and d2 = 12.85 in. Determine the magnitude and location of: (a) the maximum horizontal shear stress in the beam. %3D (b) the maximum tensile bending stress in the beam. P w dj d2 B D LaB LBC LcD b2 b1 Answer: (a) Tmax psi (b) Omax psi
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