B W 12 x 14 IA -L=6.5 ft-
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A cantilever beam AB of length L = 6.5 ft supports
a trapezoidal distributed load of peak intensity q,
and minimum intensity q/2, that includes the weight of
the beam (see figure). The beam is a steel W12 X14
wide-flange shape (see Table F-1(a), Appendix F).
Calculate the maximum permissible load q based
upon (a) an allowable bending stress σallow =18 ksi
and (b) an allowable shear stress τallow = 7.5 ksi.
Note: Obtain the moment of inertia and section modulus
of the beam from Table F-1(a).
Transcribed Image Text:B
W 12 x 14
IA
-L=6.5 ft-
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