Answered: Assume LAB = 5 ft, LBc = 2 ft, Lcd = 2…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

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 = 5 ft, LBC = 2 ft, LCD = 2 ft, LDE = 2 ft, PC = 1750 lb, PE = 1840 lb, wAB = 750 lb/ft, b1 = 9 in., b2 = 2 in., b3 = 6 in., d1 = 2 in., d2 = 6 in., d3 = 2 in. Consider the entire 11-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.

Assume LAB = 5 ft, LBc = 2 ft, LcD = 2 ft, LDE = 2 ft,
Pc = 1750 lb, PE = 1840 lb, WAB = 750 lb/ft, b₁ = 9
in., b₂ = 2 in., b3 = 6 in., d₁ = 2 in., d₂ = 6 in., d3 = 2
in. Consider the entire 11-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
oc at any location along the beam.
Answers:
(a) OT
(b) oc
=
=
WAB
LAB
B
Pc
LBC
b₁
b3
C
LCD
b₂
D
d₁
LDE
d₂
dz
PE
E
psi.
psi.
X

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