Influence Line Diagrams for Simply Supported Beams - Problem No 9 (Loads moving Either Directions)

Draw influence line diagram for bending moment at 10m from the left side of simply supported girder of span 25m and find the maximum bending moment when a series of wheel loads 10KN, 40KN, 20KN, 50KN ,30KN which are spaced center to center distance at 2m, 3m, 2m, and 2m respectively. The loads can cross in either direction, 30KN load leading in each case.

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