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Assessment model of dam operation risk based on monitoring data

机译:基于监测数据的大坝运行风险评估模型

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Although the dams produce remarkable social and economic benefits, the threat made by unsafe dams to the life and property of people who live in the lower river area is un-negligible. Based on the monitoring data which reflect the safety condition of dams, the risk degree concept is proposed and the analysis system and model for evaluating risk degree (rate) are established in this paper by combining the reliability theory and field monitoring data. The analysis method for risk degree is presented based on Bayesian approach. A five-grade risk degree system for dam operation risk and corresponding risk degree is put forward according to the safety condition of dams. The operation risks of four cascade dams on some river are analyzed by the model and approach presented here and the result is adopted by the owner.
机译:尽管水坝产生了显着的社会和经济利益,但不安全的水坝对生活在下游河流地区的人们的生命和财产构成的威胁是微不足道的。基于反映大坝安全状况的监测数据,提出了风险度的概念,并结合可靠性理论和现场监测数据,建立了风险度(率)评价分析系统和模型。提出了基于贝叶斯方法的风险度分析方法。根据大坝的安全状况,提出了大坝运行风险及相应风险等级的五级风险等级体系。通过本文提出的模型和方法,对某条河流上的四个梯级水坝的运行风险进行了分析,结果被业主采纳。

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