Research on Acceptable Risk Level for Cities’Ability in Reducing Earthquake Disasters

Abstract eng:
This paper presents the study on the acceptable risk level for city’s ability in reducing earthquake disasters. The so-called acceptable risk level refers to the threshold for the safety level based on the risk analysis and assessment. It defines the acceptable risk levels for the corresponding risk-prevention measures, including failure probability and the consequences of measure failure, such as human casualty and economic loss, etc. In more detailed way, the paper has discussed the methods to use ALARP principle and F-N curve to determine the acceptable risk and their applications in the city’s ability in reducing earthquake disasters. However, it remains a controversial issue to make accurate assessment of the acceptable risk level in the actual situations, which is still left be solved through the joint efforts of the governmental departments, engineers, scholars and the public concerned.

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