Abstract
Dam structure built to store water has failed with resulting loss of life, social, economic and environmental losses due to seismic vibrations. These vibrations are dynamic in nature. These vibrations must be reduced with proper application of engineering principles and for estimating the behavior of concrete gravity dam dynamic analysis plays an extraordinary role. This paper presents the dynamic time history analysis and response spectrum method of a concrete gravity dam by using STAAD-PRO. Here Finite Element Approach is used to analyze the dam. A concrete gravity dam model is prepared in STAAD-PRO to perform the time history analysis and response spectrum analysis and a comparison is done between both these methods. Concrete gravity dam is a large structure which retains a very large amount of water on its upstream side and it is very crucial for a dam to survive against vibrations of earthquake. So it is a matter of study to check the behaviour of a dam during and after the application of the loading.
Highlights
Dams have contributed to the development of civilization for a long time
The main objective of this paper is to study the seismic behaviour of concrete gravity dam
This paper presents the dynamic time history analysis and response spectrum analysis of a concrete gravity dam by using STAAD-PRO
Summary
Dams have contributed to the development of civilization for a long time They will continue to keep their importance in satisfying the ever increasing demand for power, irrigation and drinking water, the protection of man, property and environment from catastrophic floods, and in regulating the flow of rivers. How to cite this paper: Rampure, A.B. and Mangulkar, M.N. (2016) Comparison between Response Spectrum and Time History Method of Dynamic Analysis of Concrete Gravity Dam. Open Journal of Civil Engineering, 6, 329-334. STAAD-PRO is primarily designed to provide support for learning the principles of structural stability evaluation of gravity dams. It can be used for research and development on stability of gravity dams. With the improvement of knowledge in earthquake engineering and the development of more reliable methods for estimating earthquake magnitudes at different sites, methods for the seismic analysis of structures are being developed that include the effects of more complicated parameters in the evaluation and seismic hazard analysis of structures
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