2023.No.3收稿日期:2022—10—12作者简介:柴海(1977—),男,高级工程师,主要从事水利工程设计工作。摘要:当前水库蓄水建筑物主要修建于高山峡谷中,由于库岸边坡分布地域较广且地质状况复杂,低估边坡安全系数、溢洪道泄流量计算误差较大等问题是威胁水库安全运营的主要因素,因此在水库工程选址初期确定准确的岸坡安全系数和溢洪道泄流量十分重要。以打冲沟水库工程为例,在边坡抗滑稳定和应力计算的荷载组合中提出了基本组合和特殊组合2种方式,并按抗剪断强度公式和《砌石坝设计规范》(SL25-2006)规定的应力计算公式计算了岸坡的抗滑稳定性、坝基应力以及溢洪道泄流量,研究方法可为相关工程提供参考。关键词:水库工程;边坡稳定性;溢洪道;泄流量中图分类号:TV697.2+3;TV698.1+6文献标识码:A文章编号:1004-7328(2023)03-0067-03DOI:10.3969/j.issn.1004-7328.2023.03.019打冲沟水库稳定性及溢洪道泄流量分析柴海(安顺市水利水电勘测设计院,贵州安顺561000)AnalysisontheStabilityofDachonggouReservoirandDischargeofSpillwayCHAIHai(AnshunInstituteofWaterResourcesandHydropowerSurveyandDesign,Anshun561000,China)Abstract:Atpresent,thereservoirwaterstoragestructuresaremainlybuiltinhighmountainsandcanyons.Duetothewidedistributionareaofreservoirbankslopeandthecomplexgeologicalconditions,underestimatingslopesafetyfactorandlargecalculationerrorofspillwaydischargearethemainfactorsthreateningthesafeoperationofreservoir.Therefore,itisveryimportanttodetermineaccuratebankslopesafetyfactorandspillwaydischargeattheinitialstageofreservoirprojectsiteselection.TakingDachonggouReservoirProjectasanexample,thebasiccombinationandspecialcombinationareproposedintheloadcombinationofslopeanti-slidingstabilityandstresscalculation,andtheanti-slidingstabilityofbankslope,thestressofdamfoundationandthedischargeofspillwayarecalculatedaccordingtotheformulaofshearstrengthcalculationandtheformulaofstresscalculationstipulatedinCodeforDesignofMasonryDAMS(SL25-2006).Theresearchmethodcanprovidereferenceforrelatedprojects.Keywords:reservoirproject;slopestability;spillway;discharge水库工程对民生安全和用水保障起至关重要的作用,同时兼备防洪...