loading_the_truss_experiment -...

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http://numericalmethods.eng.usf.edu/experiments Loading the Truss Background: The motivation behind the experiment is to show the application of simultaneous linear equations. We are loading a truss made of aluminum as shown in Figure 1. Four strain gages are attached to four of the members of the truss. You will choose a strain gage of your choice and compare the experimental result with the theoretical result. Knowing the axial force in a member, the normal strain in the member is AE F = ε (1) where F = force in member, N A = Cross-sectional area of member, m 2 E = Young’s modulus of member, Pa What you will do in the lab : You will choose one of the strain gages and use the P- 3500 strain indicator to measure the strain. The instructions to set up the strain gage are given on the P3500 box. You will apply the load at the center of the truss as shown and record the strain. You will make the needed size measurements of the truss using a vernier caliper and scale, so that you can solve the problem posed below at home. Exercises to do (50 points)
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This note was uploaded on 06/12/2011 for the course EML 3041 taught by Professor Kaw,a during the Spring '08 term at University of South Florida - Tampa.

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loading_the_truss_experiment -...

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