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Risk Analysis of Earth-Rock Dam Failures Based on Fuzzy Event Tree Method

机译:基于模糊事件树方法的土石坝溃坝风险分析

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摘要

Earth-rock dams make up a large proportion of the dams in China, and their failures can induce great risks. In this paper, the risks associated with earth-rock dam failure are analyzed from two aspects: the probability of a dam failure and the resulting life loss. An event tree analysis method based on fuzzy set theory is proposed to calculate the dam failure probability. The life loss associated with dam failure is summarized and refined to be suitable for Chinese dams from previous studies. The proposed method and model are applied to one reservoir dam in Jiangxi province. Both engineering and non-engineering measures are proposed to reduce the risk. The risk analysis of the dam failure has essential significance for reducing dam failure probability and improving dam risk management level.
机译:土石坝在中国的水坝中所占比例很大,其破裂会带来巨大的风险。本文从两个方面来分析与土石坝溃决有关的风险:大坝溃败的可能性和由此造成的生命损失。提出了一种基于模糊集理论的事件树分析方法来计算大坝的破坏概率。总结并完善了与大坝破坏相关的生命损失,以使其适合先前研究中的中国大坝。将该方法和模型应用于江西某水库大坝。建议采用工程和非工程措施来降低风险。大坝倒塌风险分析对于降低大坝倒塌概率,提高大坝风险管理水平具有重要意义。

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