Nonlinear Seismic Response Analysis of Realistic Gravity Dam-Reservoir Systems

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Nonlinear Seismic Response Analysis of Realistic Gravity Dam-Reservoir Systems

Author: P.G. Asteris, A.D. Tzamtzis | Size: 0.4 MB | Format: PDF | Quality: Unspecified | Publisher: International Journal of Nonlinear Sciences and Numerical Simulation 4(2003) 329-338 | Year: 2003 | pages: 10 | ISBN: Freund Publishing House Ltd

A methodology for the earthquake response analysis of concrete gravity dam-reservoir systems is
presented, giving emphasis at the development of an appropriate nonlinear model capable of reproducing the
effects on response of all the forms of nonlinearities present in a realistic system. The numerical simulation of
the displacement response history of a real-life system to a known seismic excitation has been performed
using the finite element method and specially developed interface elements have been employed to model the
discontinuities of the structure. The results obtained demonstrate that the earthquake response of the system is
significantly affected by the behaviour at the interfaces between contacting materials.

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