! Required information A 1-in.-square aluminum strut is maintained in the position shown by a pin support at A and by sets of rollers at B and C that prevent rotation of the strut in the plane of the figure. Given: LAB= 3.4 ft C B ab LCD T LBC T LAB Determine the magnitude of the allowable load. Consider only buckling in the plane of the figure and use E= 10.4 x 106 psi. Use a factor of safety of 3.2. (Round the final answer to two decimal places.)

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter11: Columns
Section: Chapter Questions
Problem 11.9.12P: Determine the maximum permissible length Lmaxfor a steel pipe column that is fixed at the base and...
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Required information
A 1-in.-square aluminum strut is maintained in the position shown by a pin support at A and by sets of rollers at B and C
that prevent rotation of the strut in the plane of the figure.
Given: LAB = 3.4 ft
C
B
D
P
000
LCD
T
LBC
↑
LAB
Determine the magnitude of the allowable load. Consider only buckling in the plane of the figure and use E= 10.4 × 106 psi. Use a
factor of safety of 3.2. (Round the final answer to two decimal places.)
Transcribed Image Text:! Required information A 1-in.-square aluminum strut is maintained in the position shown by a pin support at A and by sets of rollers at B and C that prevent rotation of the strut in the plane of the figure. Given: LAB = 3.4 ft C B D P 000 LCD T LBC ↑ LAB Determine the magnitude of the allowable load. Consider only buckling in the plane of the figure and use E= 10.4 × 106 psi. Use a factor of safety of 3.2. (Round the final answer to two decimal places.)
Explanation
12PcL²
л²E
d4
=
-
2
12(13.0507x10³ N) ([A(1)] m)²
π² (70×10⁹ Pa)
d = [A(4)] × 10-³ m
d= [A(4)] mm
=
[A(3)] × 10-⁹ m4
Transcribed Image Text:Explanation 12PcL² л²E d4 = - 2 12(13.0507x10³ N) ([A(1)] m)² π² (70×10⁹ Pa) d = [A(4)] × 10-³ m d= [A(4)] mm = [A(3)] × 10-⁹ m4
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