Question

By stiffness method : determine the displacements at Joint B and at Joint C in the three-span beam shown in the figure below. The flexural rigidity of the beam is EI and is constant along the length of the beam. Note that L1 = L2 = L3 = L P1 = P2 = P3 = P

M = PL

wL = P Also, find the reactions at Joint A.

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