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1、兰州交通大学毕业设计(论文)摘要本次设计内容为潘家口水利枢纽，坝型选择为混凝土重力坝。重力坝主要有非溢流挡水坝段、溢流表孔坝段、溢流底孔坝段和电站厂房坝段组成。挡水坝段最大断面的坝底高程为122.0m，坝顶高程为227.8m，防浪墙高1.2m，最大坝高为105.8m，属高坝类型。坝顶宽9m，最优断面的上游坝坡坡率为1:0.2，上游折坡点高程为182.0m，下游坝坡坡率为1:0.7，下游折坡点高程214.9m。溢流坝段布置在主河道中心，止水采用两道紫铜中间加沥青井的形式。坝基防渗处理（主要依据上堵下排的原则），上游帷幕灌浆（两道），下游侧设置排水管。以非溢流挡水坝段为计算选择断面，进行
2、了抗滑稳定分析和应力分析，分别采用单一安全系数法和可靠度理论法计算法进行计算，最终验算满足抗滑稳定，上游坝踵没有出现拉应力，设计剖面合理可行设计中认真总结，运用几年来所学的理论知识及专业知识，结合毕业设计的任务进行思考、分析应用，提高了独立思考与独立工作的能力，同时也加强了计算、绘图、编写设计文件、使用规范、手册能力的培养，使我们成为合格的水利人才。关键词：非溢流坝；细部构造；地基处理I兰州交通大学毕业设计(论文)AbstractThisdesigncontentforthePanjiakouproject,damtypeselectionfortheconcretegravityd
3、am.Agravitydamaremainlynonoverflowdamsectionofspillwaydam,spillway,bottomholedamandpowerhousedamsectionof.Nonoverflowdamsectionofeachof15meterswide,distributedinthedampowerhousedamsectionends;each16meterswide,disposedneartherightbankmainriverbed,outfitmachine3units;thebottomorificeofeachsection
4、of22meterswide,arrangedinapowerhouseleftmainriverbed;overflowsectionofeachsegmentwidth18meters,isarrangedinthehousemusicrivermainriverbed.Damsectionofmaximumcrosssectionofthebottomsurfaceelevationof122.0meters,atelevationof227.8meters,1.2metershighwall,thedamheightof105.8meters,isatypeofdam.Cre
5、stwidthof9meters,theoptimalsectionoftheupstreamdamsloperateof1:0.2,theupstreamslopeanglepointto182.0meterselevation,downstreamdamsloperateof1:0.7,thedownstreamslopeanglepointelevation214.9m.Maximumsectionofoverflowdamsectionofthebottomsurfaceelevationof1901meters,1978.08metersheightofweir,weiru
6、seWEScurvedesign,straightsloperateof1:0.7,reversearcradiusof18meters,thenasalsillelevation1912meters,theupstreamdamsloperateand1:0.2,slopeanglepointelevationof1956meters,theupstreamdamsurfaceandWESsurfaceby1/4ellipticconnected.Treatmentofdamfoundationseepageprevention(mainlybasedontheprincipleo
7、fblockingdrainage),upstreamgroutcurtain(two),adownstreamsidedrainagetube.Nonoverflowdamsectionfortheselectionofcalculationsection,aslidingstabilityanalysisandstressanalysis,respectivelybyshearcalculationmethodandthemethodofmateria
