A simply supported crane runway girder has to support a moving load shown in Figure P12.49. The…

A simply supported crane runway girder has to support a moving load shown in Figure P12.49. The moving load shown has to be increased by an impact factor listed in Table 2.3. (a) Position the moving load to compute the maximum moment. Also compute the maximum deflection produced by the load. (b) Re-position the moving load symmetrically on the span and compute the maximum moment and the maximum deflection. Which case produces a larger deflection?

Indeterminate Structures

Unless otherwise noted, EI is constant for all problems.

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