Latest Techniques for Seismic Retrofit of Bridges Presented at
Over sixty participants, representing several state departments of transportation (DOT)’s and engineering consultants, attended a full day workshop on the seismic retrofit of bridges, based on the upcoming Seismic Retrofitting Manual for Highway Structures. The workshop was held September 17, 2006, the day before the Fifth National Seismic Conference on Bridges & Highways, in San Mateo, California. The pre-conference workshop sold out quickly, and participants learned the latest recommendations for improving the seismic performance of existing bridges. The Seismic Retrofitting Manual was developed over the past decade by MCEER researchers under contract from the Federal Highway Administration and will be available in late 2006.
Phil Yen, FHWA, welcomed 60-plus state DOT representatives, engineering consultants and others.
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Session moderator Derrell Manceaux (pdf), FHWA, was pleased with the turnout and enthusiastic participation of the attendees. Presenters were Phillip Yen (pdf) FHWA, Ian Buckle (pdf) University of Nevada Reno, Peter Dusicka (pdf) Portland State University, Anoosh Shamsabadi (pdf) Caltrans and Richard Nutt (pdf) Structural Engineering Consultant. Geoff Martin (pdf), USC & Earth Mechanics and Jerry O’Connor, MCEER, contributed behind the scenes. The workshop covered the performance-based philosophy described in the manual as well as an overview of seismic and geotechnical hazards, geotechnical modeling and capacity assessment, and retrofitting strategies and approaches with specific examples to illustrate the concepts.
All attending the workshop received a pre-release issue of the new manual called Seismic Retrofitting Manual for Highway Structures, Part I, Bridges.