A STUDY OF SYSTEM PERFORMANCE EVALUATION DUE TO EARTHQUAKE WITH DAMAGE CORRELATION

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  • 損傷相関を考慮した地震時システム性能評価に関する研究
  • ソンショウ ソウカン オ コウリョ シタ ジシンジ システム セイノウ ヒョウカ ニ カンスル ケンキュウ

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Abstract

Social attention has gathered in BCP recently, a technical concern is to estimate the restoration time of facilities due to earthquake quantitatively. In general, facilities are modeled as a system composed of plural components, then the system reliability technique is used for the estimation of the restoration period of system function. However, individual performance of the component is not considered, there is a blind spot that a redundant performance of the entire system is not appreciable. In this paper, the evaluation method of the decrease in the system performance due to the earthquake is proposed considering an individual performance of the component and the damage correlation between components. In addition, the evaluation method of the recovery curve that can show the recovery process of the system performance is proposed. As an example of the manufacturing process, the case analysis are carried out, the applicability in this method is discussed.

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