A truck exerts wheel reactions P1 = 10 kips and P2 = 5 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 compatibility equation, θ(BO rel.) + f(BB rel.) MB = 0, is based on the requirement that the slope of the elastic curve of the actual indeterminate beam is _______ at B.

Determine the beam deflection at point H. Assume that EI = 1.99 × 1010 kN-mm2 is constant.

The beam is fixed at wall B. Determine the vertical reaction force By at point B. Let L = 30 ft, M = 950 lb·ft, P = 775 lb and w0 = 225 lb/ft.

Assuming that the live loads are transmitted to the bottom chords of the truss, draw the influence line for the force in member CD. What is the line’s maximum value? Let L = 16 ft.

The truss is pin supported at A and rocker supported at E. Assume all members are pin connected. Determine the magnitude of the force in member BC. Let F1 = 700 lb, F2 = 800 lb, and L = 5 ft.

Assuming that the live loads are transmitted to the bottom chords of the truss, draw the influence line for the force in member BC. What is the line’s minimum value? Let L = 12 ft.

Draw the influence line for the moment at B. What is the line’s minimum value? Let L1 = 4 m and L2 = 8 m.

Assuming that the live loads are transmitted to the bottom chords of the truss, draw the influence line for the force in member BC. The line’s maximum value occurs _______. Let L = 12 ft.

The roof truss is pin supported at A and roller supported at E. Determine the magnitude of the force in member CD. Let F1 = 30 kN and F2 = 15 kN.