地球科学与环境工程河南科技HenanScienceandTechnology总798期第4期2023年2月南水北调中线某段渠道边坡滑坡成因分析及防治对策申粤（中国南水北调集团中线有限公司河南分公司，河南郑州450046）摘要：【目的】渠道边坡失稳可诱发渠道边坡滑塌及其他险情，影响南水北调中线工程运行安全。【方法】以南水北调中线郑州段为例，对强降雨引起渠道边坡失稳造成渠道边坡滑坡的原因进行分析。【结果】结合国内外研究成果提出边坡防治措施，为类似水利工程边坡防治提供参考和借鉴。【结论】渠道边坡失稳由诸多因素引起，结合南水北调渠道运行过程造成边坡失稳的主要因素，提出不同的处置措施。关键词：渠道边坡；滑坡；原因分析；措施中图分类号：P642.22文献标志码：A文章编号：1003-5168（2023）04-0115-05DOI：10.19968/j.cnki.hnkj.1003-5168.2023.04.024CauseAnalysisandPreventionofSlopeLandslideinaChannelofMiddleRouteofSouth-to-NorthWaterDiversionProjectSHENYue（HenanBranchofChinaSouth-to-NorthWaterDiversionMiddleRouteCorporationLimited，Zhengzhou450046，China）Abstract:[Purposes]Theinstabilityofchannelslopecaninducechannelslopecollapseandotherdan⁃geroussituations,affectingtheoperationsafetyofthemiddlerouteoftheSouth-to-NorthWaterDiver⁃sionproject.[Methods]TakingZhengzhousectionofthemiddlerouteoftheSouth-to-NorthWaterDi⁃versionProjectasanexample,thispaperanalyzesthereasonsfortheslopelandslidecausedbytheinsta⁃bilityofthechannelslopecausedbyheavyrainfall.[Findings]Andputsforwardtheslopepreventionmeasuresbasedontheresearchresultsathomeandabroad,whichcanprovidereferencefortheslopepreventionofsimilarwaterconservancyprojects.[Conclusions]Theslopeinstabilityofchanneliscausedbymanyfactors.Accordingtothemainfactorsofslopeinstabilityduringtheoperationofsouth-to-northwaterdiversionchannel,differenttreatmentmeasuresareputforward.Keywords:channelslope;landslide;causeanalysis;measures0引言南水北调中线工程是缓解我国北方水资源严重短缺、优化配置水资源配置、改善生态与环境的重大战略性基础设施。总干渠全长1234.5km，分为挖方段和填方段，挖方段占总长度的92.8%，填方段占7.2%。渠道横断面为梯形断面，在挖方段由于不同挖深形成不同高度的渠道坡面，为了保证工...
