Load deformation characteristics of shallow suspension footbridge with reverse profiled pre-tensioned cables
Huang, Ming-Hui, Thambiratnam, David P., & Perera, Nimal J. (2005) Load deformation characteristics of shallow suspension footbridge with reverse profiled pre-tensioned cables. Journal of Structural Engineering and Mechanics, 21(4), pp. 375-392.
Cable supported structures offer an elegant and economical solution for bridging over long spans with resultant low material content and ease of construction. In this paper, a model of shallow cable supported footbridge with reverse profiled pre-tensioned cables is treated and its load deformation characteristics under different quasi-static loads are investigated. Effects of important parameters such as cable sag and pre-tension are also studied. Numerical results show that structural stiffness of this bridge (model) depends not only on the cable sag and cross sectional areas of the cables, but also on the pre-tension in the reverse profiled cables. The tension in the top supporting cables can be adjusted to a high level by the pre-tension in the reverse profiled bottom cables, with the total horizontal force in the bridge structure remaining reasonably constant. It is also evident that pre-tensioned horizontally profiled cables can greatly increase the lateral horizontal stiffness and suppress the lateral horizontal deflection induced by eccentric vertical loads.
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|Item Type:||Journal Article|
|Additional Information:||Access to the author-version is currently restricted pending permission from the publisher. For more information, please refer to the journal’s website (see link) or contact the author. Author contact details:firstname.lastname@example.org|
|Keywords:||suspension footbridge, structural stiffness, parameter study, reverse profile, pre, tension|
|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|
|Copyright Owner:||Copyright 2005 Techno Press|
|Deposited On:||22 May 2006|
|Last Modified:||29 Feb 2012 13:11|
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