Structural condition assessment of a bridge pier: A case study using experimental modal analysis and finite element model updating

Qiang Mao, Matteo Mazzotti, John DeVitis, John Braley, Charles Young, Kurt Sjoblom, Emin Aktan, Franklin Moon, Ivan Bartoli

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

Insufficient information on existing bridge substructures and foundations poses significant challenges for structural condition evaluation and can cause significant uncertainties for the safety and serviceability of bridges. Characterization and condition evaluation of bridges substructure and foundations will not only help to decrease the vulnerability to natural hazards but also provide opportunities for their reuse with considerable benefits. In this paper, the feasibility of leveraging structural identification techniques to characterize bridge substructures and foundations is investigated. A three-span simply supported bridge located in Mossy, West Virginia, USA, is used as a study case. Modal analysis and finite element model updating techniques are used to investigate and estimate the uncertainties and conditions of the substructure. Updated finite element model for this structure provides valuable information for bridge condition assessment and proves how structural identification is a viable tool for the case considered.

Original languageEnglish (US)
Article numbere2273
JournalStructural Control and Health Monitoring
Volume26
Issue number1
DOIs
StatePublished - Jan 2019

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanics of Materials

Keywords

  • bridge substructure
  • condition assessment
  • foundation
  • modal analysis
  • model updating
  • structural identification

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