Axial loads are applied with rigid bearing plates to the solid cylindrical rods shown. The normal stress in aluminum rod (1) must be limited to 19 ksi, the normal stress in brass rod (2) must be limited to 22 ksi, and the normal stress in steel rod (3) must be limited to 13 ksi. Determine the minimum diameter required for each of the three rods. Assume P = 7 kips, Q 4 kips, R = 17 kips and S = 20 kips. =

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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13) will up upvote to anyone who will answer. Please use kips as unit
Axial loads are applied with rigid
bearing plates to the solid cylindrical
rods shown. The normal stress in
aluminum rod (1) must be limited
to 19 ksi, the normal stress in brass
rod (2) must be limited to 22 ksi, and
the normal stress in steel rod (3) must
be limited to 13 ksi. Determine the
minimum diameter required for each
of the three rods. Assume P = 7 kips, Q
= 4 kips, R = 17 kips and S = 20 kips.
=
Transcribed Image Text:Axial loads are applied with rigid bearing plates to the solid cylindrical rods shown. The normal stress in aluminum rod (1) must be limited to 19 ksi, the normal stress in brass rod (2) must be limited to 22 ksi, and the normal stress in steel rod (3) must be limited to 13 ksi. Determine the minimum diameter required for each of the three rods. Assume P = 7 kips, Q = 4 kips, R = 17 kips and S = 20 kips. =
(1)
(3)
A
B
R
S
C
D
First: Calculate the internal force
(positive if tensile, negative if
compresive) in rod (1). Use a FBD
cutting through the rod in the section
that includes the free end A.
Transcribed Image Text:(1) (3) A B R S C D First: Calculate the internal force (positive if tensile, negative if compresive) in rod (1). Use a FBD cutting through the rod in the section that includes the free end A.
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