NONLINEARITY IN SEISMIC SITE EFFECTS EVALUATION

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NONLINEARITY IN SEISMIC SITE EFFECTS EVALUATION

Author: C. O. CIOFLAN, A. MÃRMUREANU, GH. MÃRMUREANU National Institute for Earth Physics, Romania Received January 19, 2009 | Size: 602 KB | Format: PDF | Quality: Unspecified | Year: 2009 | pages: 10

The seismic hazard of Romania has been the object of several studies based on probabilistic or deterministic methods (1). Details of the resulted hazard maps are still a controversial issue that leads to an innovative approach: a combined analysis of the available records and macroseismic information completed with numerical simulations since the strong motion records are rather scarce. The main purpose of this paper is to add new features regarding site effects evaluation and its role in seismic hazard analyses at regional and/or local scale. This study is focusing on nonlinear aspects of seismic ground motion and presents new results related to site effects induced by strong Vrancea intermediate events.

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