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= 1 ft, LCD= 3 ft, LDE = 3 ft, Pc = 1690 lb, PE = 1700 lb, WAB= 620 lb/ft, b₁ = 8 in., b₂ = 2 in., b3 = 5 in., d₁ = 2 in., d₂ = 7 in., d3= 2 in. Consider the entire 15-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 ↓ WAB LAB Answers: (a) OT = (b) oc = N B Pc LBC b₁ ✔ b3 C LCD -b₂ psi. psi. D d₁ LDE d₂ d3 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 = 8 ft, LBC= 1 ft, LCD= 3 ft, LDE = 3 ft, Pc = 1690 lb, PE = 1700 lb, WAB= 620 lb/ft, b₁ = 8 in., b₂ = 2 in., b3 = 5 in., d₁ = 2 in., d₂ = 7 in., d3= 2 in. Consider the entire 15-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 ↓ WAB LAB Answers: (a) OT = (b) oc = N B Pc LBC b₁ ✔ b3 C LCD -b₂ psi. psi. D d₁ LDE d₂ d3 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 = 8 ft, LBC = 1 ft, LCD = 3 ft, LDE = 3 ft, PC = 1690 lb, PE = 1700 lb, wAB = 620 lb/ft, b1 = 8 in., b2 = 2 in., b3 = 5 in., d1 = 2 in., d2 = 7 in., d3 = 2 in. Consider the entire 15-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 = 8 ft, LBC= 1 ft, LCD= 3 ft, LDE = 3 ft, Pc = 1690 lb, PE = 1700 lb, WAB= 620 lb/ft, b₁ = 8 in., b₂ = 2 in., b3 = 5 in., d₁ = 2 in., d₂ = 7
in., d3= 2 in. Consider the entire 15-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
↓
WAB
LAB
Answers:
(a) OT =
(b) oc
=
N
B
Pc
LBC
b₁
✔
b3
C
LCD
-b₂
psi.
psi.
D
d₁
LDE
d₂
d3
E
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