Question: 2 . Design a W - Beam ( A 3 6 steel ) for a 4 0 feet span bridge with the following information below.

2. Design a W- Beam (A36 steel) for a 40 feet span bridge with the following information below. Also draw FBDs, SFD and BMD and check whether the selected beam is safe for bending stress and share stress. (35 points)
The design live load is three axle truck with 6 k,24k, and 24 k loading on front, middle, and rare axles
The spacing of the axles are 14 feet each
Assume the bridge is one lane and one beam shall be installed on each side (total number of the beam =2).

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