©2012 Hormoz Zareh & Jenna Bell 1 Portland State University, Mechanical Engineering

The two-dimensional bridge structure, which consists of steel T-sections, has pinned supports at its lower corners, and subjected to the following time varying load applied at the lower mid-span point.

©2012 Hormoz Zareh & Jenna Bell 2 Portland State University, Mechanical Engineering

©2012 Hormoz Zareh & Jenna Bell 3 Portland State University, Mechanical Engineering

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©2012 Hormoz Zareh & Jenna Bell 7 Portland State University, Mechanical Engineering

©2012 Hormoz Zareh & Jenna Bell 8 Portland State University, Mechanical Engineering

©2012 Hormoz Zareh & Jenna Bell 9 Portland State University, Mechanical Engineering

©2012 Hormoz Zareh & Jenna Bell 10 Portland State University, Mechanical Engineering

©2012 Hormoz Zareh & Jenna Bell 11 Portland State University, Mechanical Engineering

©2012 Hormoz Zareh & Jenna Bell 12 Portland State University, Mechanical Engineering

©2012 Hormoz Zareh & Jenna Bell 13 Portland State University, Mechanical Engineering

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©2012 Hormoz Zareh & Jenna Bell 15 Portland State University, Mechanical Engineering