Review of vibration-based damage detection and condition assessment of bridge structures using structural health monitoring

Wang, Liang & Chan, Tommy H.T. (2009) Review of vibration-based damage detection and condition assessment of bridge structures using structural health monitoring. In The Second Infrastructure Theme Postgraduate Conference : Rethinking Sustainable Development: Planning, Engineering, Design and Managing Urban Infrastructure, 26 March 2009, Queensland University of Technology, Brisbane.

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As a part of vital infrastructure and transportation networks, bridge structures must function safely at all times. However, due to heavier and faster moving vehicular loads and function adjustment, such as Busway accommodation, many bridges are now operating at an overload beyond their design capacity. Additionally, the huge renovation and replacement costs always make the infrastructure owners difficult to undertake. Structural health monitoring (SHM) is set to assess condition and foresee probable failures of designated bridge(s), so as to monitor the structural health of the bridges. The SHM systems proposed recently are incorporated with Vibration-Based Damage Detection (VBDD) techniques, Statistical Methods and Signal processing techniques and have been regarded as efficient and economical ways to solve the problem. The recent development in damage detection and condition assessment techniques based on VBDD and statistical methods are reviewed. The VBDD methods based on changes in natural frequencies, curvature/strain modes, modal strain energy (MSE) dynamic flexibility, artificial neural networks (ANN) before and after damage and other signal processing methods like Wavelet techniques and empirical mode decomposition (EMD) / Hilbert spectrum methods are discussed here.

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ID Code: 26738
Item Type: Conference Paper
Refereed: Yes
Keywords: structural health monitoring (SHM), vibration-based damage detection (VBDD), dynamic analysis, condition assessment, bridge structures
ISBN: 978-174107-270-9
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Infrastructure Engineering and Asset Management (090505)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2009 Queensland University of Technology
Deposited On: 10 Aug 2009 01:43
Last Modified: 21 Jun 2017 14:42

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