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A Seismic Fragility Framework for Earth Dams
Seismic fragility models predict the probability of different damage states for a given earthquake intensity measure. This paper outlines a seismic fragility framework for earth dams, which uses the relative crest settlement as the engineering demand parameter and involves two statistical models: (1) an engineering demand model that predicts the relative settlement as a function of ground motion intensity, and (2) a seismic capacity model that predicts the probability of a damage state given the relative settlement. These two models are used together within a Monte Carlo simulation to compute the resulting fragility model. This paper focuses on developing seismic capacity relationships that are based on the original damage description for each dam without consideration of the observed relative settlement. The development of a seismic fragility model is demonstrated through an example that uses the proposed seismic capacity relationships and a simplified engineering demand model.
A Seismic Fragility Framework for Earth Dams
Seismic fragility models predict the probability of different damage states for a given earthquake intensity measure. This paper outlines a seismic fragility framework for earth dams, which uses the relative crest settlement as the engineering demand parameter and involves two statistical models: (1) an engineering demand model that predicts the relative settlement as a function of ground motion intensity, and (2) a seismic capacity model that predicts the probability of a damage state given the relative settlement. These two models are used together within a Monte Carlo simulation to compute the resulting fragility model. This paper focuses on developing seismic capacity relationships that are based on the original damage description for each dam without consideration of the observed relative settlement. The development of a seismic fragility model is demonstrated through an example that uses the proposed seismic capacity relationships and a simplified engineering demand model.
A Seismic Fragility Framework for Earth Dams
Rathje, Ellen M. (author) / He, Jingwen (author)
Lifelines 2022 ; 2022 ; Virtual Conference
Lifelines 2022 ; 405-415
2022-11-16
Conference paper
Electronic Resource
English
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