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 = 9 ft, LBc = 2 ft, LcD = 4 ft, LDE = 2 ft, Pc = 1720 lb, PE = 2310 lb, WAB= 720 lb/ft, b₁ = 7 in., b₂ = 2 in., b3 = 5 in., d₁ = 2 in., d₂ = 5 in., d3 = 2 in. Consider the entire 17-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. PE d WAB X Answers: (a) OT = (b) oc = LAB B Pc LBC b₁ b3 C LCD -b₂ psi. psi. D d₁ LDE d₂ dz E
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 = 9 ft, LBc = 2 ft, LcD = 4 ft, LDE = 2 ft, Pc = 1720 lb, PE = 2310 lb, WAB= 720 lb/ft, b₁ = 7 in., b₂ = 2 in., b3 = 5 in., d₁ = 2 in., d₂ = 5 in., d3 = 2 in. Consider the entire 17-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. PE d WAB X Answers: (a) OT = (b) oc = LAB B Pc LBC b₁ b3 C LCD -b₂ psi. psi. D d₁ LDE d₂ dz E
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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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 = 9 ft, LBC = 2 ft, LCD = 4 ft, LDE = 2 ft, PC = 1720 lb, PE = 2310 lb, wAB = 720 lb/ft, b1 = 7 in., b2 = 2 in., b3 = 5 in., d1 = 2 in., d2 = 5 in., d3 = 2 in. Consider the entire 17-ft length of the beam and determine:
(a) the maximum tension bending stress σTσT at any location along the beam, and
(b) the maximum compression bending stress σCσC at any location along the beam.
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 = 9 ft, LBc = 2 ft, LcD = 4 ft, LDE = 2 ft, Pc = 1720 lb, PE = 2310 lb, WAB= 720 lb/ft, b₁ = 7 in., b₂ = 2 in., b3 = 5 in., d₁ = 2 in., d₂ = 5
in., d3 = 2 in. Consider the entire 17-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.
PE
d
WAB
X
Answers:
(a) OT =
(b) oc =
LAB
B
Pc
LBC
b₁
b3
C
LCD
-b₂
psi.
psi.
D
d₁
LDE
d₂
dz
E
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