汛期尾矿坝溃坝事故树分析FAULT TREE ANALYSIS OF TAILINGS DAM BREAK DURING FLOOD SEASON
李夕兵,蒋卫东,赵伏军
摘要(Abstract)：
根据汛期尾矿坝溃坝的一些典型事例 ,概括出了导致尾矿坝溃坝的基本事件。应用事故树分析中的最小割集、最小径集及结构重要度 ,对汛期尾矿坝溃坝事故进行了研究。结果表明 ,可以选择由滑坡量大、超出正常设计的降雨、未采取有效的排洪措施、大于设计烈度的地震 4个事件构成的最小径集作为控制汛期尾矿坝溃坝事故发生的途径。未采取有效的排洪措施是这一途径中的控制重点 ,可以通过修复或增设排洪设施、汛前降低库水位等措施来实现。这对指导尾矿坝防洪渡汛有重要意义
关键词(KeyWords)： 尾矿坝;溃坝;事故树;防洪渡汛
基金项目(Foundation):
作者(Author): 李夕兵,蒋卫东,赵伏军
参考文献(References)：
- 1 TheTailingsReservoirGenerality ofNon- ferrousMetal ofChinaCom pilerGroup.TheTailingsReservoirGenerality ofNon-ferrousMetal ofChina[M](inChinese).1992
- 2 PengChengying.The accident and prevention measures of tailings reservoir[J].Non- ferrousMine(inChinese),1996,5:38～40
- 3 L iJunchun.Analysis for causes of the dam failure ofGouhou reservoir[J].Journal ofGeotechnicalEngineering(inChinese),1994,16(6):1～14
- 4 L iQijiang.Discussing the content and method of risk evaluation of dam break of reservoir engineering[J].TheDesign ofHy-droelectricPlant(inChinese),2000,16(3):108～112
- 5 ChenQingsheng andSunJianhua.Calculation of tailings flow due to dambreak[J].Journal ofHehaiUniversity(inChinese),1995,23(5):99～105
- 6 WangYongxing.Study on the flood resulting from the landslide dam break[J].TheChineseJournal ofGeologicalHazard andControl(inChinese),1995,6(1):15～23
- 7 WangBingrong andQiuJiakui.Investigation on the measures for flood prevention in flood season ofXishimenIronMine's tail-ings reservoir[J].MetalMine(inChinese),1995,3:43～47
- 8 ShenFeimin.TheFundament andPractice ofSafeSystemEngineering[M].Beijing:CoalIndustryPress(inChinese),1991