A bridge is composed of the structural system whose configuration is shown in th

Question

A bridge is composed of the structural system whose configuration is shown in the
following figure. The truss is loaded at its top chord panel points by the reactions from a stringer and
floor beam system that supports a roadway slab.

1) Use tabulate values method to draw the influence lines for forces in bars CF and CE.

2) If a fully loaded motorized ore carrier with a total weight of 100 kN crosses the bridge, use
either increaseâ€decrease method or trialâ€andâ€error method to determine the maximum
compressive force in bar CE. Assume the truck can only move from the right to the left.

https://media.cheggcdn.com/media/949/94927249-7077-4f0b-9750-3257be10acf2/phpOcq26S.png

Please solve the problem, thanks!

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