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Research on Risk Probability Model and Calculation Method for River Closure System
Author(s): 
Pages: 32-36
Year: Issue:  7
Journal: Journal of Yangtze River Scientific Research Institute

Abstract: 为了对水利水电工程河道截流方案进行科学决策,简要回顾了截流风险的研究进程,并基于工程实际对截流系统进行了风险识别,分析了截流中可能遇到的风险事件类别及其影响因素。考虑水文、水力和施工的不确定性,建立了基于龙口轴线断面平均流速、龙口轴线水深和平均抛投强度的截流系统综合风险率估计数学模型,使截流风险率计算更加完善。对比了目前存在的风险计算方法的优劣,提出用基于完整水力学计算的Monte-Carlo法计...
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