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Unformatted text preview: CE 142L 1 Prof. Wallace CE 142L REINFORCED CONCRETE STRUCTURAL LABORATORY BEAM EXPERIMENT The beam experiment is designed to examine flexural and shear strength concepts, as well as deflection calculations. Based on the experimental results, your report should provide detailed information on the following items: 1. A plot of the experimentally obtained load-deflection and moment-curvature relations using the load cell, dial, and lvdt data recorded during the test. 2. Based on design material strengths (i.e., f y = 40 ksi and f& c = 4 ksi), compute the moment curvature diagram for the given beam cross-section. Using the moment curvature relation, compute the deflections associated with: (a) just prior to cracking, (b) just after cracking, (c) yielding, (d) for an extreme fiber compression strain of 0.003, and (e) for an extreme fiber compression strains of 0.005 and 0.01. At each of these conditions, draw a figure with the beam cross-section and the associated strain diagram (with labels, e.g., beam cross-section and the associated strain diagram (with labels, e....
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- Spring '10