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Experimental And Numerical Investigation Of Tsunami Acting On Cable Stayed Bridges | 9527
ISSN: 2155-9910

Journal of Marine Science: Research & Development
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Experimental and numerical investigation of tsunami acting on cable stayed bridges

International Conference on Oceanography & Natural Disasters

Zubaidah Ismail and Iman Mazinani

Accepted Abstracts: J Marine Sci Res Dev

DOI: 10.4172/2155-9910.S1.004

Two tragic tsunamis that devastated the west coast of Sumatra Island, Indonesia in 2004 and North East Japan in 2011 had damaged bridges to various extents. Due to the increasing popularity of cable stayed bridges, it is vital that more attention be paid to the effects of tsunamis on this type of bridges. The objectives of this research are to identify mechanism of wave propagation around cable stayed bridge, to evaluate the physical phenomena of tsunami force on cable and deck of cable stayed bridge, to determine the distribution of hydrodynamic, impulsive, buoyant and uplift forces on cable stayed bridge due to tsunami by simulating using numerical and computational analysis. In order to understand the tsunami force on cable stayed bridges, tests were carried out to study the characteristics of hydrodynamic force at different wave heights. The fluid structure interaction between the cable stayed bridge and tsunami for numerical model based on finite element analysis by LS-DYNA was conducted. Numerical models of tsunami impact on the bridge superstructures were developed.
Zubaidah Ismail is an Associate Professor lecturing Engineering Mathematics in the Civil and Environmental Engineering Department, University of Malaya. Zubaidah obtained her BA(Hons) (Maths) from State University, New York in 1985, MA (App Maths) from Temple University, Philadelphia in 1987 and Ph.D. in Civil Engineering from University of Malaya in 2005. Her fields of interest are in Structural Dynamics, Environmental Engineering, Safety and Health and Engineering Mathematics. She has published as well as refereed several technical papers both at national and international levels.