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Study on the Risk Assessment of the Tailings Dam Break

机译:尾矿坝溃坝风险评估研究

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Public pay more and more attention to how to ensure the safety of tailings dam downstream residents and property. This article establishes a risk evaluation system which bases on the tailings dam failure probability analysis and dam failing consequence assessment. The tailings dam failure mode is established through the research of tailings dam failure mechanism. Meanwhile established the tailings dam stability assessment index system, applied the set pair analysis to assessment the stability of the tailings dam; established the controlling equation, simulated the routing and movement of tailing flow in the downstream after tailings dam break, investigated the distributions of personnel and structures in the influence range, use comprehensive factor weighted method to construction the tailings dam break serious consequences evaluation model, the model considered the tailings dam scale, loss of life, economic losses and social environment impact, points out key point and the difficulty of the tailings dam break impact research, the tailings dam for precise quantitative risk assessment is very difficult, the risk assessment index is a kind of qualitative risk analysis methods,established the tailings dam risk assessment software based on risk assessment index methods.
机译:公众越来越关注如何确保尾矿坝下游居民和财产的安全。本文建立了基于尾矿坝溃坝概率分析和坝溃后果评估的风险评估体系。通过对尾矿坝破坏机理的研究,建立了尾矿坝破坏模式。同时建立了尾矿坝稳定性评价指标体系,运用集对分析法评价了尾矿坝的稳定性。建立控制方程,模拟尾矿坝溃决后下游尾矿流的路径和运动,研究影响范围内人员和结构的分布,采用综合因子加权法构建尾矿坝溃决严重后果评价模型,该模型考虑了尾矿坝的规模,生命损失,经济损失和社会环境影响,指出了尾矿坝溃决影响研究的重点和难点,对尾矿坝进行精确的定量风险评估非常困难,风险评估指标为建立了一种定性风险分析方法,建立了基于风险评估指标方法的尾矿坝风险评估软件。

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