Draw the influence line for the moment at B. What is the line’s maximum value? Let L1 = 5 m and L2 = 11 m.

Determine the vertical displacement of joint A if members AE and DE experience a temperature increase of 38°C. Let L = 8 m and α = 11.5E-6/°C.

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 = 20 ft.

Determine the deflection at B that would be caused by the distributed load if the middle support was not there. Let w = 9 lb/in., a = 53 in., and EI = 113 × 106 lb·in.2.

Using the method of consistent deformations, determine the force in member AD. Let P = 25 kN, L1 = 3 m, and L2 = 5 m. Assume EA = constant.

Determine the distribution factor DFBC. Let w = 1.3 kip/ft, L1 = 38 ft, and L2 = 24 ft. Assume EI = constant.

Determine the magnitude of the bending moment at A. Let w = 2.1 kip/ft, L1 = 16 ft, and L2 = 18 ft. Assume EI = constant.

Using the slope-deflection equations below, determine the beam slope at C. Let P1 = 15 kips, P2 = 20 kips, L1 = 18 ft, L2 = 10 ft, and L3 = 14 ft. Assume EI = constant.MAC = EIθC / 14 + 34.44MCA = EIθC / 7 + –61.99MCE = EIθC / 7 + 70MEC = EIθC / 14 + –70

Draw the influence line for the shear at B. What is the line’s maximum positive value? Let L1 = 4 m and L2 = 13 m.

Assume that P = 15.8 kips and L = 6.5 ft. Determine the reaction at support A. Assume that EI is constant for the beam.