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Problem 1.2-4 A circular aluminum tube of length L = 400 mm is loaded in compression by forces P (see figure). The outside and inside diameters are 60 mm and 50 mm, respectively. A strain gage is placed on the outside of the bar to measure normal strains in the longitudinal direction. Strain gage L= 400 mm (a) If the measured strain in e = 550 X 10¬°, what is the shortening 8 of the bar? (b) If the compressive stress in the bar is intended to be 40 MPa, what should be the load P?

Problem 1.2-4 A circular aluminum tube of length L = 400 mm is loaded in compression by forces P (see figure). The outside and inside diameters are 60 mm and 50 mm, respectively. A strain gage is placed on the outside of the bar to measure normal strains in the longitudinal direction. Strain gage L= 400 mm (a) If the measured strain in e = 550 X 10¬°, what is the shortening 8 of the bar? (b) If the compressive stress in the bar is intended to be 40 MPa, what should be the load P?

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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Problem 1.2-4 A circular aluminum tube of length L = 400 mm is loaded in compression by forces P (see figure). The outside and inside diameters are 60 mm and 50 mm, respectively. A strain gage is placed on the outside of the bar to measure normal strains in the longitudinal direction. Strain gage L= 400 mm (a) If the measured strain in e = 550 X 10¬°, what is the shortening 8 of the bar? (b) If the compressive stress in the bar is intended to be 40 MPa, what should be the load P?
Transcribed Image Text:Problem 1.2-4 A circular aluminum tube of length L = 400 mm is loaded in compression by forces P (see figure). The outside and inside diameters are 60 mm and 50 mm, respectively. A strain gage is placed on the outside of the bar to measure normal strains in the longitudinal direction. Strain gage L= 400 mm (a) If the measured strain in e = 550 X 10¬°, what is the shortening 8 of the bar? (b) If the compressive stress in the bar is intended to be 40 MPa, what should be the load P?
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