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Axial shortening in reinforced concrete members using vibration characteristics - part 2 - Application

Moragaspitiya, Praveen, Chan, Tommy H.T., Thambiratnam, David, & Perera, Nimal (2009) Axial shortening in reinforced concrete members using vibration characteristics - part 2 - Application. In Surawski, Nicholas C. & Wiliem, Arnold (Eds.) Proceedings for the 3rd Smart Systems Postgraduate Student Conference, Queensland University of Technology, Queensland University of Technology, Brisbane, pp. 132-138.

Abstract

Controlling differential axial shortening in vertical load bearing concrete elements is a major concern for new generation tall buildings with complex geometries and mechanisms. Quantification of axial shortening using gauges to verify the pre-estimated numerical values used at the design stage is a well established method. This method makes adequate provision to mitigate the adverse effects during the construction. However, this method is becoming increasingly unusable due to its drawbacks. This highlights the need a novel method to quantify the axial shortening using ambient measurements. This paper will first brief introduce the method and then illustrate its application to a high-rise building with two outrigger and belt systems. Moreover, this procedure can be used as a health or performance monitoring tool of the building structure, both during and after construction.

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ID Code: 32994
Item Type: Conference Paper
Additional Information: Part one of this paper can be accessed via the Additional URLs
Additional URLs:
Keywords: Vibration Characteristics, High-rise Buildings, Axial Shortening, Modal Flexibility Matrix, Time Dependent Effects, Concrete
ISBN: 9780980582727
Divisions: 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 2009 Queensland University of Technology
Deposited On: 02 Jul 2010 09:06
Last Modified: 02 Jul 2010 09:06

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