Liberty Bridge Emergency Response
Presented by Thomas P. Murphy, PhD, PE, SE
On September 2nd, 2016, a fire occurred on the Liberty Bridge in Pittsburgh, PA, that resulted in a severely damaged bottom compression chord member in the main truss. The emergency response involved development of analytical models of the damage, as well as the design and construction of a jacking frame and strengthening repairs. An innovative approach was used combining the analysis results with calculated capacities and field measurements of strain and displacement to produce real-time ratings of the main trusses during jacking. Based on the results, the bridge was reopened to traffic following jacking operations and the installation of temporary repairs.
Speaker Bio:
Dr. Murphy is a Vice President and the Chief Technical Officer of Modjeski and Masters, Inc. His professional experience has included the analysis, design, and detailing of a variety of bridges including cable-stayed, suspension, arch, truss, and girder bridges. Dr. Murphy has been involved in all stages of the bridge design process; from the development of design specifications, to the completion of conceptual studies for specific crossings, preliminary and final design, and construction stage issues. He is the Engineer of Record for the dual I-74 arch bridges over the Mississippi River currently under construction.
PDHs will be provided to eligble attendees!
Schedule:
5:30-6:30 PM - Social Hour
6:30-7:30 - Buffet Dinner: Not Your Mother's Meatloaf and Chicken Parmesan
7:30-8:30 Presentation
Cash Bar
Cost: $40.00 ASCE Members & Non-Members
$20.00 Students
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Please register by Friday, October 13, 2017
Register Now!