A Structure Economic Loss Optimization Method with the Uncertainty of Ground Motion Amplitude for Chinese Masonry Building

Jinpeng Zhao, Xiaojun Li and Chen Liu ()
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Jinpeng Zhao: Faculty of Urban Construction, Beijing University of Technology, Beijing 100124, China
Xiaojun Li: Key Laboratory of Urban Security and Disaster Engineering of China Ministry of Education, Beijing University of Technology, Beijing 100124, China
Chen Liu: China Re Catastrophe Risk Management Company Ltd., Chongqing 400025, China

Sustainability, 2022, vol. 14, issue 21, 1-18

Abstract: In the catastrophe insurance industry, it is impractical for a catastrophe model to simulate millions of sites’ environments in a short time. Hence, the attenuation relation is often adopted to simulate the ground motion on account of calculation speed, and both ground motion expectations and uncertainties must be calculated. Due to the vulnerability curves of our model being based on simulations with a large number of deterministic ground motions, it is necessary but not efficient for loss assessment to analyze all possible ground motion amplitudes and their corresponding loss rates. This paper develops a simplified method to rapidly simulate loss expectations and uncertainties. In this research, Chinese masonry buildings are the focus. The result shows that the modified method gives accurate loss results quickly.

Keywords: ground motion intensity uncertainty; masonry building; economic vulnerability curves; seismic risk management; earthquake catastrophe model (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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