A truck exerts wheel reactions P1 = 10 kips and P2 = 4 kips…

A truck exerts wheel reactions P1 = 10 kips and P2 = 4 kips on the deck of a bridge. Determine the maximum positive shear at C. Assume the truck only travels in the direction shown. The influence lines for VC and MC are shown, along with the peak values of the influence lines.

The beam supports a single live load of 1,740 lb. Determine…

The beam supports a single live load of 1,740 lb. Determine the maximum positive shear that can be developed at point B. Assume the support at A is a pin and C is a roller. The influence lines for VB and MB are shown, along with the peak values of the influence lines.