Structural health monitoring : vibration-based damage detection and condition assessment of bridges

Wang, Liang, Chan, Tommy H.T., Thambiratnam, David, & Tan, Andy (2010) Structural health monitoring : vibration-based damage detection and condition assessment of bridges. In Yigitcanlar, Tan (Ed.) Rethinking Sustainable Development : Urban Management, Engineering, and Design. IGI Global, Pennsylvania.

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Abstract

Structural health is a vital aspect of infrastructure sustainability. As a part of a vital infrastructure and transportation network, 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 are a difficult burden for infrastructure owners. The structural health monitoring (SHM) systems proposed recently are incorporated with vibration-based damage detection techniques, statistical methods and signal processing techniques and have been regarded as efficient and economical ways to assess bridge condition and foresee probable costly failures. In this chapter, the recent developments in damage detection and condition assessment techniques based on vibration-based damage detection and statistical methods are reviewed. The vibration-based damage detection methods based on changes in natural frequencies, curvature or strain modes, modal strain energy, dynamic flexibility, artificial neural networks, before and after damage, and other signal processing methods such as Wavelet techniques, empirical mode decomposition and Hilbert spectrum methods are discussed in this chapter.

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ID Code: 35772
Item Type: Book Chapter
Additional URLs:
Keywords: Structural Health Monitoring, Vibration-Based Damage Detection, Dynamic Analysis, Condition Assessment, Bridge Structures
ISBN: 9781616920227
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Infrastructure Engineering and Asset Management (090505)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Current > Research Centres > CRC Integrated Engineering Asset Management (CIEAM)
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2010 IGI Global
Deposited On: 23 Sep 2010 07:27
Last Modified: 29 Feb 2012 14:22

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