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Loading and Design Considerations of Strutures Under Tsunami

Golabi, Alireza | 2008

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  1. Type of Document: M.Sc. Thesis
  2. Language: English
  3. Document No: 39255 (53)
  4. University: Sharif University of Technology, International Campus, Kish Island
  5. Department: Science and Engineering
  6. Advisor(s): Khalu, Alireza
  7. Abstract:
  8. A tsunami is a series of tides most commonly caused by the deformation of the sea floor during a submarine earthquake. They are extremely long waves with the distance between successive peaks or troughs on the order of 10’s to 100’s of miles. They are also generated by landslides, volcanic eruptions or more rarely by asteroid impact. These causes change in location on the surface of the water which in turn creates numerous waves that spread out from the zone of turbulence. Few current design codes for coastal structures include tsunami. Even those that do, the bases for taking the hydrodynamic loads into the design are often grossly simplified and may be overly conservation and/or unreliable. In the first part we discussed about the tsunami and the generation mechanism. The results of this thesis will provide some load combinations from the loads that will introduce and will check the effect of these load combinations on structure in part II. Also it will provide some information about whether we should consider all of the loads above in the load combination or just some of them will satisfy the stability of structures. In part III we will see some ways to mitigate the destruction effects of tsunami. This part talks about shape of the buildings, land use planning and the effect of greenbelt on reducing the power of tsunami. After all in the last part we will talk about different tsunami notifying systems. Tsunami warning systems can help us by determining the time of reaching waves on cost. Also this thesis result will provide basic information on the available limited design and analysis approaches for buildings and structures under tsunami and examples will provide methods to reduce structural damage by tsunami. Either some example will be provided to show how to reduce damage by tsunami. In this thesis we mostly deal with two factors, first how we can mitigate the tsunami destructive effects and second what is the critical load combination that is needed for designing buildings.
  9. Keywords:
  10. Tsunami ; Structural Design ; Tsunami Loading ; Tsunam Effect

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