Finite element modelling of bridge structures based on non-destructive and non-contact assessment methods

Authors

  • A. Alani Department of Civil Engineering, University of Greenwich, UK, United Kingdom
  • M. Aboutalebi Department of Civil Engineering, University of Greenwich, UK, United Kingdom
  • M. V. Savytskyi SHEE “Prydniprovs’ka State Academy of Civil Engineering and Architecture, Ukraine

Keywords:

structural state, bridge structures, gain,

Abstract

This paper presents an assessment of the structural response of bridges without access  to  required  information  relating  to  structural  properties.  The  complex  structure of the Pentagon Road Bridge in Chatham, Kent in the UK in parallel with the lack of access to structural details of the bridge have led the health monitoring of the bridge into a sophisticated problem. The dynamic structural response of the bridge was instigated by a moving lorry with enforced full traffic control. The magnitude of deflection due to vibration was measured both by a non-contact measurement  method  (Image  by  Interferometric  Survey  of  Structures  (IBIS-S) system)  and  by  accelerometers  and  then  compared  with  deflections  obtained numerically. The modified numerical model was then enhanced by introducing structural cracks simulating the actual condition of the bridge. This development therefore proposes a reliable method of assessment of bridge structures with limited availability of structural details.

Author Biographies

A. Alani, Department of Civil Engineering, University of Greenwich, UK

Professor

M. V. Savytskyi, SHEE “Prydniprovs’ka State Academy of Civil Engineering and Architecture

D.Sc., Prof.

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Published

2009-10-14

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Section

Innovative lifecycle technology of housing and civil, industrial and transportation purposes