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= 8ft, LBc=4ft, Lco=2 ft, LDE=4ft, Pc=1770 lb, Pe=1950 lb, WAB= 930 lb/ft, b₁ = 7 in., b₂= 2 in., b3=3 in., d₁= 2 in., d₂ = 10 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 o at any location along the beam. WAB LAB N B Pl Pc LBC b₁ C LCD b₂ D d₁ LDE dz PE E X
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= 8ft, LBc=4ft, Lco=2 ft, LDE=4ft, Pc=1770 lb, Pe=1950 lb, WAB= 930 lb/ft, b₁ = 7 in., b₂= 2 in., b3=3 in., d₁= 2 in., d₂ = 10 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 o at any location along the beam. WAB LAB N B Pl Pc LBC b₁ C LCD b₂ D d₁ LDE dz PE E X
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
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, Lec= 4 ft. Lco=2 ft. LDE=4ft, Pc=1770 lb, PE 1950 lb, WAB= 930 lb/ft, b₁ = 7 in., b₂= 2 in., b3 = 3 in., d₁= 2 in., d₂ = 10 in.
d3= 2 in. Consider the entire 18-ft length of the beam and determine:
(a) the maximum tension bending stress of at any location along the beam, and
(b) the maximum compression bending stress o at any location along the beam.
WAB
LAB
N
B
Pc
LBC
b₁
C
LCD
b₂
D
d₁
LDE
d₂
PE
E
X

Transcribed Image Text:Answers:
(a) OT
(b) oc =
=
N
b₁
b3
-b₂
psi.
psi.
↓
d₁
d₂
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