Experience made with the International Benchmark on Dynamic Bridge Monitoring and Assessment at the Wayne Bridge in New Jersey

摘要

A representative composite bridge has been selected by the Federal Highway Administration (FHWA) for the international collaboration between the Long Term Bridge Performance Project (LTBP) initiated in the U.S. and the FP7 Project IRIS in Europe. Various teams from the U.S., Japan, Korea, UK and EU have performed separate assessment routines including dynamic monitoring and system identification. The various approaches were compared and harmonised in order to achieve a standard model for this type of bridge, representing more than 40% of the bridge stock in the FHWA network. This comprises a total of about 240.000 bridges which could subsequently be tested and assessed following a standard procedure. The present paper intends to present a strongly life-cycle oriented approach, developed by the authors. This is based on a dynamic monitoring campaign and an accompanying visual inspection at the Wayne Bridge, New Jersey.