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Estimation of Permanent Deformations of Tehri Dam Due to 7.0 and 8.5 Magnitude Earthquakes
The objective of this paper is to find the permanent deformations of Tehri dam due to an earthquake of magnitude 8.5, the occurrence of which has a high probability in the region, and for an earthquake of magnitude 7.0, for which the dam has been currently designed. Instead of finite element analysis, five different empirical methods, Makdisi and Seed's method, Newmark's double integration method, Jansen's method, Swaisgood's method and Bureau's method have been utilized and their results compared to get a range of values within which the permanent deformation of the dam is estimated to lie. The present analyses show that the predicted deformations due to an earthquake of magnitude 7.0 do not compromise the safety of the dam. However, the deformations predicted for an earthquake of magnitude 8.5 are quite high. The maximum deformations are predicted by Makdisi and Seed's method while the minimum deformations are computed by Jansen's method.
Estimation of Permanent Deformations of Tehri Dam Due to 7.0 and 8.5 Magnitude Earthquakes
The objective of this paper is to find the permanent deformations of Tehri dam due to an earthquake of magnitude 8.5, the occurrence of which has a high probability in the region, and for an earthquake of magnitude 7.0, for which the dam has been currently designed. Instead of finite element analysis, five different empirical methods, Makdisi and Seed's method, Newmark's double integration method, Jansen's method, Swaisgood's method and Bureau's method have been utilized and their results compared to get a range of values within which the permanent deformation of the dam is estimated to lie. The present analyses show that the predicted deformations due to an earthquake of magnitude 7.0 do not compromise the safety of the dam. However, the deformations predicted for an earthquake of magnitude 8.5 are quite high. The maximum deformations are predicted by Makdisi and Seed's method while the minimum deformations are computed by Jansen's method.
Estimation of Permanent Deformations of Tehri Dam Due to 7.0 and 8.5 Magnitude Earthquakes
Sengupta, A. (Autor:in)
GeoShanghai International Conference 2006 ; 2006 ; Shanghai, China
Advances in Earth Structures ; 203-210
11.05.2006
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Research , Dams , Earthquakes , Estimation , Soil structures , India , Deformation
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