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Jan 18, 2013
Structural Investigation of the Sherman Minton Bridge Closure
Authors: Lisa Davey [email protected], Sara Jozefiak [email protected], Jimmy Lau [email protected], John Abruzzo [email protected], and Gary F. Panariello [email protected]Author Affiliations
Publication: Forensic Engineering 2012: Gateway to a Safer Tomorrow
Abstract
The Sherman Minton Bridge, constructed in the early 1960's, is a twin, double-deck, steel-tied arch bridge traversing the Ohio River along Interstate I-64 between the states of Indiana and Kentucky. The discovery of previously hidden surface cracks during a gusset retrofit warranted a comprehensive inspection program which revealed numerous cracks and weld indications along the fracture critical tie members, particularly at the vertical butt-welded joints. Following the closure of the bridge on September 9, 2011, a structural investigation was initiated to ensure that the bridge would reopen with three principles in mind: safety, schedule and cost. A forensic information model (FIM) of the weld testing inspection program was created to organize available data, illustrate all past and present inspections and to understand any trends. A 3D mathematical model was produced to verify the original design of the superstructure and to evaluate the adequacy of its capacity to support increased loads as a result of the necessary retrofits and repair. This paper will present the process used to evaluate the problem, develop solutions, and construct the retrofit.
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© 2013 American Society of Civil Engineers.
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Published online: Jan 18, 2013
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Associate-Thornton Tomasetti, New York, NY, USA. E-mail: [email protected]
Senior Engineer, Thornton Tomasetti, 135 Main St., Suite 850, San Francisco, CA 94102. E-mail: [email protected]
Project Engineer, Thornton Tomasetti, 555 12 St., Suite 600, Oakland, CA 94607. E-mail: [email protected]
Senior Principal, Thornton Tomasetti, 135 Main St., Suite 850, San Francisco, CA 94102. E-mail: [email protected]
Senior Principal, Thornton Tomasetti, 135 Main St., Suite 850, San Francisco, CA 94103. E-mail: [email protected]
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