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The rigid plate ABC shown in figure 2, was positioned on top of two identical steel posts, and the aluminum post was 0.1mm shorter than the steel posts at temperature of 50°C, if the allowable compressive stress in steel is limited to 120 MPa and in aluminum to 150 MPa, what is the maximum possible load P that can be supported on the rigid plate at temperature of 10°C ?

The rigid plate ABC shown in figure 2, was positioned on top of two identical steel posts, and the aluminum post was 0.1mm shorter than the steel posts at temperature of 50°C, if the allowable compressive stress in steel is limited to 120 MPa and in aluminum to 150 MPa, what is the maximum possible load P that can be supported on the rigid plate at temperature of 10°C ?

Structural Analysis
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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The rigid plate ABC shown in figure 2, was positioned on top of two identical steel posts, and the aluminum post was 0.1mm shorter than the steel posts at temperature of 50°C, if the allowable compressive stress in steel is limited to 120 MPa and in aluminum to 150 MPa, what is the maximum possible load P that can be supported on the rigid plate at temperature of 10°C ?
Transcribed Image Text:The rigid plate ABC shown in figure 2, was positioned on top of two identical steel posts, and the aluminum post was 0.1mm shorter than the steel posts at temperature of 50°C, if the allowable compressive stress in steel is limited to 120 MPa and in aluminum to 150 MPa, what is the maximum possible load P that can be supported on the rigid plate at temperature of 10°C ?
A steel steed s l at E = 200 GPa Alumiinum 50'd L= 250MM A = 1600 mu² X = 12 x10 l = 200 Mfa Comp %3D 400 mM 40o mm Aluminum Post. E= 73 GPa A = 2400 mur" 2 K = 23 x10% Figure 2 all 150 MPa Comp
Transcribed Image Text:A steel steed s l at E = 200 GPa Alumiinum 50'd L= 250MM A = 1600 mu² X = 12 x10 l = 200 Mfa Comp %3D 400 mM 40o mm Aluminum Post. E= 73 GPa A = 2400 mur" 2 K = 23 x10% Figure 2 all 150 MPa Comp
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