Extracting bridge frequencies from dynamic responses of two passing vehicles

C. W. Kim, S. Inoue, K. Sugiura, P. McGetrick, M. Kawatani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)
381 Downloads (Pure)

Abstract

A conventional way to identify bridge frequencies is utilizing vibration data measured directly from the bridge. A drawback with this approach is that the deployment and maintenance of the vibration sensors are generally costly and time-consuming. One of the solutions is in a drive-by approach utilizing vehicle vibrations while the vehicle passes over the bridge. In this approach, however, the vehicle vibration includes the effect of road surface roughness, which makes it difficult to extract the bridge modal properties. This study aims to examine subtracting signals of two trailers towed by a vehicle to reduce the effect of road surface roughness. A simplified vehicle-bridge interaction model is used in the numerical simulation; the vehicle - trailer and bridge system are modeled as a coupled model. In addition, a laboratory experiment is carried out to verify results of the simulation and examine feasibility of the damage detection by the drive-by method.
Original languageEnglish
Title of host publicationInsights and Innovations in Structural Engineering, Mechanics and Computation: Proceedings of the Sixth International Conference on Structural Engineering, Mechanics and Computation, Cape Town, South Africa, 5-7 September 2016
EditorsAlphose Zingoni
PublisherCRC Press
Pages1858-1864
Number of pages7
ISBN (Print)9781138029279
Publication statusPublished - 15 Aug 2016
EventThe Sixth International Conference on Structural Engineering, Mechanics and Computation, - University of Cape Town, Cape Town, South Africa
Duration: 05 Sep 201607 Sep 2016
http://www.semc.uct.ac.za/

Conference

ConferenceThe Sixth International Conference on Structural Engineering, Mechanics and Computation,
Abbreviated titleSEMC 2016
CountrySouth Africa
CityCape Town
Period05/09/201607/09/2016
Internet address

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