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Influence of axial deformation of structural members on vibration characteristics

Moragaspitiya, H.N.P., Thambiratnam, D.P., Perera, N., & Chan, T.H.T. (2010) Influence of axial deformation of structural members on vibration characteristics. In The 5th Civil Engineering Conference in the Asian Region and Australasian Structural Engineering Conference, 8-12 August 2010, Sydney Convention and Exhibition Centre, Sydney.

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    Abstract

    The vibration characteristics of structural members are significantly influenced by the axial loads and hence axial deformation of the member. Numerous methods have been developed to quantify the axial loads in individual structural members using their natural frequencies. However, the findings of these methods cannot be applied to individual members in a structural framing system as the natural frequency is a global parameter for the entire framing system. This paper proposes an innovative method which uses the modal flexibility parameter to quantify axial deformations in load bearing elements of structural framing systems. The proposed method is illustrated through examples and results highlight that the method can be used to quantify the axial deformations of Individual elements of structural framing systems.

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    ID Code: 34144
    Item Type: Conference Paper
    Keywords: modal fexibility, axial deformation, modal parameters
    Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
    Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
    Past > Schools > School of Urban Development
    Copyright Owner: Copyright 2010 Please consult the authors.
    Deposited On: 17 Aug 2010 12:18
    Last Modified: 01 Mar 2012 00:31

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