Reliability estimation of RCC dam structure due to earthquake

ISSN: 22498958
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Dams are assessed and created according to conventional factor of safety methodology. A few disadvantages with this approach occur; as an example failure that is varying for structures where in actuality the factor of safety is the same. This component that is traditional facto of safety methodology imposes conservative assumptions when it comes to both design and analysis. Reliability analysis of structures suggests the estimation associated with limit state probabilities of the framework under adverse or loading that is ecological its intended period of use. Many aspect that is important of seismic reliability analysis is recognition of uncertainties, options for modelling and analysis, analytical formulation regarding the restriction state surface and integrated of probability thickness function. The limit state possibility of the structure is integrated using the seismic danger of the site in the seismic reliability analysis associated with the dam structure. In this study, Koyna dam framework is modelled and seismic reliability associated with the framework that is dam empty reservoir are analyzed. The transient analysis is done by considering Lucerne earthquake records. The randomness of ground movement, uncertainties in its event, definition of the intensity parameters are considered in seismic reliability analysis. The material uncertainties of the dam are included in the research. Due to complexity of analysis included, different level of simplifications are produced in the reliability analysis. The reservoir depth is varied to examine its influence on the seismic reliability analysis. The crest displacement and the base shear force are the responses obtained to study the seismic reliability analysis. The performance requirements are developed on the basis of the reliability analysis of the dam structure.




Hossain, S. A., Pal, S., & Ali, J. S. (2019). Reliability estimation of RCC dam structure due to earthquake. International Journal of Engineering and Advanced Technology, 8(4), 721–726.

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