会员注册 | 登录 | 微信快捷登录 QQ登录 微博登录 | 帮助中心 人人文库renrendoc.com美如初恋!
站内搜索 百度文库

热门搜索: 直缝焊接机 矿井提升机 循环球式转向器图纸 机器人手爪发展史 管道机器人dwg 动平衡试验台设计

   首页 人人文库网 > 资源分类 > DOC文档下载

高碾压混凝土重力坝设计枢纽布置图 设计说明书毕业论文.doc

  • 资源星级:
  • 资源大小:4.83MB   全文页数:93页
  • 资源格式: DOC        下载权限:注册会员/VIP会员
您还没有登陆,请先登录。登陆后即可下载此文档。
  合作网站登录: 微信快捷登录 支付宝快捷登录   QQ登录   微博登录
友情提示
2:本站资源不支持迅雷下载,请使用浏览器直接下载(不支持QQ浏览器)
3:本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰   

高碾压混凝土重力坝设计枢纽布置图 设计说明书毕业论文.doc

H江碾压混凝土重力坝设计1摘要本设计要求对位于我国西南地区H江的某水利枢纽进行了以坝工为重点的工程设计。本工程以防洪为重点,兼有发电和灌溉的作用。经过对几种可建造坝型的比较,最终选择建造高碾压混凝土重力坝。首先,溢洪道为河川水利枢纽中必备的泄水建筑物,用以排泄水库不能容纳的多余洪水量,保证枢纽挡水建筑物及其它有关建筑物的安全运行。重力坝通常设置坝顶溢洪道。本次设计的调洪演算在基于水量平衡的基础上,采用图解法进行试算,在可行的几种泄流方案中,择优选出采用的方案和相应的设计与校核水位。然后进入主要建筑物设计。确定枢纽的组成建筑物,包括挡水建筑物、泄水建筑物、水电站等。在定性分析的基础上,进行综合比较,确定出大坝的型式为碾压混凝土重力坝。在坝型确定的基础上,确定出大坝的基本剖面和轮廓尺寸,拟定地基的处理方案和坝身构造。之后依次进行了细部构造设计、稳定计算、材料力学法分析、应力有限元法,从各个方面验证了设计剖面的可行性和合理性。在设计坝体断面时,必须本着重力坝依靠自身重量来维持结构稳定的原则。坝体上游面垂直,只在坝踵附近有陡的折坡,溢流坝上游顶部有倒悬。重力坝坝体的应力以材料力学法分析,坝体稳定的条件是坝体和坝基的最大应力须在坝段混凝土和坝基岩石的容许应力范围之内。重力坝以材料力学法分析,它可以直接求出坝体横剖面边界之内的任何一点的应力。坝体稳定的条件是坝体和坝基的最大应力须在坝段混凝土和坝基岩石的容许应力范围之内。溢流坝段的分析同上。其次为第二主要建筑物设计。确定出泄水建筑物的结构型式和轮廓尺寸,进行选线布置。进行水力计算,从挑距和冲刷深度等方面验证设计型式的可行性。并进行细部构造设计。水利工程是关系到国际民生的重要工程,在设计过程中,我们要结合实际考虑下游民众人身和财产安全,综合环境治理,走可持续发展战略。通过本次设计,我初步掌握了碾压混凝土重力坝的设计方法,了解了这样一个水利工程项目建设的主要步骤,学习如何把所学专业知识运用到实际工作过程当中。作为一名水利设计工作者,担负着重大的责任,我们要本着献身,求实,负责的精神,为我国水利事业的发展贡献力量。关键词碾压混凝土重力坝有限单元法H江碾压混凝土重力坝设计2AbstractThedesignisdesignedforoneriverwatercontrolprojectlyingtotheSouthwestofChinaandthedamconstructionisemphasized.Aftermakingandevaluatingalternativeeconomicestimatesofthepossibletypeofdam,wechosethetypeofhighRCCD.Thespillwayisanecessarydischargestructureforariverproject,whichisusedtodischargetheexcessfloodthatthereservoircannotaccommodatesoastoguaranteetheprojectretainingstructureandotherstructuresecurityrun.Usuallythegravitydaminstallsspillwayinthecrest.Thedesignofthebloodcalculusbasedonthewaterbalance,andIusedthelistalgorithm,findoutthebestoneinthepracticablespillingalternatives,withtheirdesignwaterlevelandcheckwaterleveltogether.Thenitisthemainstructuredesigngrade.thepartsofprojectaredefined,consistingofblockingstructure,spillwaystructure,hydropowerstation,andsoon.Thedamtypeisdefinedbasedonthequalitativeanalysis.Thebasiscrosssectionandtheoutlinedimensionisdefinedinthefirstmainstructuredesigngrade.Theprocessingalternativeofthedamfoundationandtheconstructionofthedambodyisformulatedinthesametime.Afterthis,thefeasibilityofdesignconstructionisverifiedfromdetailconstructionplan,infiltratingstabilityanalysis,gravitymethodsanalyzed,FEMtheory,seepagecompute.Whenwedesignthecrosssectionofagravitydam,wemustrelyontheprinciplethatagravitydamdependsonitsownweightforstructuralstability.Inthisdesign,thedownstreamfaceisuniformslopeandwouldintersecttheupstreamfaceatthemaximumreservoirlevel.Theupstreamfaceisnormallyverticalexceptingforsteepbatterneartheheel.Iusedmechanicsofmaterialstoanalyzethestressofthegravitydam.Forthegravitydamtobestable,maximumstressesinthedamsectionandthefoundationshouldbewithinthepermissiblestressoftheconcreteusedinthedamsectionandthefoundationrockrespectively.Gravitydamscanbeanalyzedbygravitymethods.Itprovidesadirectmethodofcalculatingstressesatanypointwithintheboundariesofatransversesectionofthedam.ThentheauthorhasmadeaparticularanalysisandresearchinthebasisoftheFEMtheorywithaprojectpracticeandliteraturesresearch.Afterthat,studyontheFEMtheorycitedbytheanalysisoftheseepage.Theauthorhasanalyzeditsseepagecontrolmeasuresandseepagecharacteristics.Waterconservancyprojectisanimportantinternationalpeopleslivelihoodprojects,duringthedesignprocess,wehavetoconsiderinlightoftheactualpeopleinthelowerreachesofthepersonalandpropertysecurity,integratedenvironmentalmanagement,sustainabledevelopmentstrategiesThroughthisdesign,IhavemasteredtheinitialRCCgravitydamdesignmethod,tounderstandsuchawaterprojectconstructionsteps,learninghowtolearntouseprofessionalknowledgetotheprocessofpracticalwork.Designedasawaterworker,水利水电工程专业毕业设计3chargedwithgreatresponsibility,wehavetothespiritofdedication,pragmaticandresponsiblespirit,thecauseofChinaswaterresourcesdevelopment.KeywordsRCCDfiniteelementmethodFEMH江碾压混凝土重力坝设计1目录摘要...........................................................................................................................1第一章综合说明.....................................................................................................31.1枢纽任务........................................................................................................31.1.1发电...........................................................................................................31.1.2防洪...........................................................................................................31.1.3航运...........................................................................................................31.2设计要求.......................................................................................................41.3工程特性表.....................................................................................................4第二章设计基础资料.............................................................................................62.1自然地理........................................................................................................62.1.1流域概况....................................................................................................62.1.2气候特征....................................................................................................62.1.3径流、洪水、泥沙.....................................................................................72.2工程地质.....................................................................................................132.2.1地震烈度.................................................................................................132.2.2地形地貌.................................................................................................132.2.3地层岩性.................................................................................................132.2.4地质构造.................................................................................................132.2.5岩体物理力学性质....................................................................................142.3碾压混凝土层面和大坝建基面的抗剪强度指标.............................................152.4各分区砼相应龄期的抗压强度指标...............................................................152.5筑坝材料.....................................................................................................172.6水库淹没及移民安置....................................................................................172.6.1LT水库淹没影响实物指标.........................................................................172.6.2移民安置规划...........................................................................................172.7施工组织......................................................................................................182.7.1施工条件..................................................................................................182.7.2对外交通..................................................................................................182.7.3材料供应..................................................................................................18第三章洪水调节计算...........................................................................................193.1调洪演算.....................................................................................................193.2坝顶高确定..................................................................................................19第四章枢纽布置与坝型选择...............................................................................214.1枢纽布置.....................................................................................................214.1.1工程等级及建筑物级别划分......................................................................214.1.2枢纽布置..................................................................................................214.1.3坝型选择..................................................................................................21第五章大坝设计.................................................................................................235.1剖面拟订.....................................................................................................235.1.1溢流坝段宽..............................................................................................235.1.2非溢流坝基本剖面设计............................................................................235.2稳定及应力计算............................................................................................245.2.1荷载计算..................................................................................................245.2.2稳定的校核计算.......................................................................................275.2.3坝体上游面拉应力正常使用极限状态计算.................................................285.2.4坝趾抗压强度承载能力极限状态...............................................................285.2.5四个不同截面不同工况下的荷载计算结果及稳定应力分析........................285.3坝体边缘及内部应力计算.............................................................................455.3.1确定计算截面和计算荷载.....................................................................45

注意事项

本文(高碾压混凝土重力坝设计枢纽布置图 设计说明书毕业论文.doc)为本站会员(liyun)主动上传,人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知人人文库网([email protected]),我们立即给予删除!

温馨提示:如果因为网速或其他原因下载失败请重新下载,重复下载不扣分。

copyright@ 2015-2017 人人文库网网站版权所有
苏ICP备12009002号-5