HW3Solutions - UNIVERSITY OF CALIFORNIA BERKELEY Department of Civil and Environmental Engineering Instructor J P Moehle Spring 2016 CE 120 Structural

# HW3Solutions - UNIVERSITY OF CALIFORNIA BERKELEY Department...

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UNIVERSITY OF CALIFORNIA, BERKELEY Spring 201 6 Department of Civil and Environmental Engineering Instructor: J. P. Moehle 2k CE 120 - Structural Engineering Solutions of Assignment No. 3 Due: 1 2 February 201 6 Problem-1 Determine whether the structures shown are stable and statically determinate. For those that are, determine the reactions and the internal forces. Use the method of joints. Solution: =0 =0 =0
Page 2 UNIVERSITY OF CALIFORNIA, BERKELEY Department of Civil Engineering CE 120 - Instructor: J. P. Moehle - Spring 201 6 Joint e: (b) Fbe 3K Fed + Fx=0; - Fbecos θ + Fedcos θ =0 Fde=-3.35k Check : + Fy=-3-Fbesin θ +Fedsin θ =0. ok 2k 0.5k 2.5k

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• Spring '09
• Mario
• Civil Engineering, Department of Civil Engineering, University of California, J. P. Moehle