Question

(b) The bridge shown in Fig. Ib has an internal hinge at D. 10kN 30kN 50kN Hinge 10mカカ10m 8m 6m Fig. 1b . Using Muller-Breslau principle, draw qualitative influence lines for shear at mid-point of E and just right of supports C and E (Fig. Ib). If a three axle car is passing through the bridge as shown in Fig. Ib, determine the maxim moment at the mid-point of BC.

Answer 1