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- W2367768493 abstract "At present, the reinforcement cost analysis for dangerous dams, which is qualitatively determined according to the corresponding standards, is preliminary and provides a limited degree of quantitative guidance to decision-makers. The life quality index (LQI), as a compound social indicator composing societal wealth and longevity, can be used as a tool to harmonize reinforcement costs and safety levels. In this paper, the LQI is described as a criterion for optimizing dam failure risk. Based on measured data, an estimating formula of life loss caused by dam failure flood was fitted. On the basis of the current standards, a quantitative evaluation model for decision making of reinforcement costs of dangerous dams was presented. As an application, a dangerous homogeneous earth dam located in east China was examined. The seepage failure probabilities before and after reinforcement of the discussed dam were calculated using the proposed simple formula. Life loss upon dam failure flood was estimated. Combined with the local economic and social development level, the LQI parameters were obtained. Finally the societal willingness to pay (SWTP) and the benefit-cost ratio based on the LQI (i.e. dL/L) were obtained. The SWTP is larger than the budget of the reinforcement and the ratio dL/L is positive, which show that the reinforcement measure is reasonable. This results in a useful tool to determine optimal safety level of dams." @default.
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- W2367768493 date "2012-01-01" @default.
- W2367768493 modified "2023-09-25" @default.
- W2367768493 title "Quantitative evaluation framework of reinforcement based on the LQI for dangerous dams" @default.
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