A flanged wooden shape is used to support the loads shown on the beam. The dimensions of the shape are shown in the second figure. Assume LAB - 8 ft, LBCc=2 ft, LcD = 4 ft, LDE = 4 ft, Pc- 1850 lb, Pe=2160 lb, WAB= 830 lb/ft, b₁ = 10 in., b₂= 2 in., b3-6 in., d₁-2 in., dz= 11 in., d3 - 2 in. Consider the entire 18-ft length of the beam and determine: (a) the maximum tension bending stress or at any location along the beam, and (b) the maximum compression bending stress oc at any location along the beam. WAB LAB B Pc LBC b₁ by C LCD ·b₂ D d₁ LDE d₂ PE E

Elements Of Electromagnetics
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A flanged wooden shape is used to support the loads shown on the beam. The dimensions of the shape are shown in the second figure.
Assume LAB = 8 ft. LBc=2 ft, LCD= 4 ft, LDE= 4 ft, Pc = 1850 lb, PE = 2160 lb, WAB = 830 lb/ft, b₁ = 10 in., b2= 2 in., b3 = 6 in., d₁ = 2 in., d₂=
11 in., d3 = 2 in. Consider the entire 18-ft length of the beam and determine:
(a) the maximum tension bending stress or at any location along the beam, and
(b) the maximum compression bending stress oc at any location along the beam.
Answers:
(a) σT =
(b) a =
WAB
LAB
i 545.779
706.391
B
Pc
LBC
b₁
b3
C
LCD
-b₂
psi.
psi.
D
↓
d₁
LDE
d₂
PE
E
Transcribed Image Text:A flanged wooden shape is used to support the loads shown on the beam. The dimensions of the shape are shown in the second figure. Assume LAB = 8 ft. LBc=2 ft, LCD= 4 ft, LDE= 4 ft, Pc = 1850 lb, PE = 2160 lb, WAB = 830 lb/ft, b₁ = 10 in., b2= 2 in., b3 = 6 in., d₁ = 2 in., d₂= 11 in., d3 = 2 in. Consider the entire 18-ft length of the beam and determine: (a) the maximum tension bending stress or at any location along the beam, and (b) the maximum compression bending stress oc at any location along the beam. Answers: (a) σT = (b) a = WAB LAB i 545.779 706.391 B Pc LBC b₁ b3 C LCD -b₂ psi. psi. D ↓ d₁ LDE d₂ PE E
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