8 B P -L- (a) (b)
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter8: Engineering Materials
Section: Chapter Questions
Problem 43CQ
Related questions
Question
A cantilever beam AB with a circular cross
section and length L = 750 mm supports a load
P = 800 N acting at the free end (see figure). The
beam is made of steel with an allowable bending
stress of 120 MPa.
(a) Determine the required diameter dmin (figure
part a) of the beam, considering the effect of the
beam’s own weight.
(b) Repeat part (a) if the beam is hollow with wall
thickness t =d /8 (figure part b); compare the
cross-sectional areas of the two designs.
Transcribed Image Text:8
B
P
-L-
(a)
(b)
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