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公路边坡防护设计.doc

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公路边坡防护设计.doc

河北理工大学毕业设计(论文)河北理工大学交通与测绘学院i摘要交通事业的不断发展要求必须不断的完善交通条件,边坡影响着公路的使用效益和寿命。根据不同的分类依据边坡可以分为不同的种类,边坡的破坏形式有滑坡、崩塌、剥落在工程设计中,判断边坡稳定性的大小习惯上采用边坡稳定安全系数来衡量,在评价边坡稳定性时,首先要考察边坡的地质条件,水文地质条件,地形地貌和新构造运动等,因为这些因素是影响边坡稳定性的决定因素边坡研究的基础理论是建立在土力学和岩石力学之上的,所以土力学和岩石力学的成就与发展决定了对边坡研究的完善程度。目前分析边坡稳定性的方法很多,本文以圆弧滑动面法对边坡稳定性进行举例计算。边坡防护可以分为坡面防护和冲刷防护两类,本文对两类防护做了进一步的详细的分析,提出了目前边坡的防护及加固措施,同时还提出了目前还处于发展阶段的一些新的方法,同时列举了河北省目前主要公路防护措施。最后提出边坡支护方按的优化方法方按设计的一般原则是安全性原则,经济性原则,工程环境许可性原则。工程环境和边坡方案设计之间相互影响,要充分的考虑。关键词公路边坡稳定防护河北理工大学毕业设计(论文)河北理工大学交通与测绘学院iiAbstractThedevelopmentoftrafficrequirethattrafficconditionsmustbeperfectedcontinuously,sideslopetheusethataffectshighwaybenifitandlife.Accordingtodifferentclassfication,thesideslopethatcandivideintodifferenceslopethedamageofsideslopeareformedbyslide,collapse,peeloffInprojectdesign,judgethatthesizeofsideslopestabilityismeasuredonhabitwithsideslopesteadysafecoefficient,whenappraisingsideslopestability,firstwillinvestigatethegeologicalconditionofsideslope,hydrogeologycondition,topographylandformsandnewstructuresport,becausethesefactorsisthedecisionofsideslopestabilityfactorBasictheoryofsidesloperesearchisestablishmentearthmechanicsandrockmechanicsover,sotheachievementofearthmechanicsandrockmechanicsandtheperfectlevelofdevelopingdecisionforsidesloperesearch.Now,themethodofanalysissideslopestabilityismany,withcirculararcslidesurfacelawforsideslopestabilizegiveanexampletocalculate.Sideslopeprotectioncandivideintoslopesurfacetoprotectanderode,protecttwokinds,andmakefurtherdetailedanalysis,haveputforwardthepresentprotectionofsideslopeandconsolidatemeasure,atthesametimehavestillputforwardnowisstillinsomenewmethodsthatdevelopstage,atthesametimehaveenumeratedHebeiprovincefornowmajorhighwaypreventivemeasure.Putforwardsideslopefinallytoprotectsideaccordingtooptimizationmethod,isaccordingtothegeneralprincipleofdesignSafetyprinciple,economyprinciple,projectenvironmentalpermissionprinciple.Theeffectionsbetweenprojectenvironmentandsideslopeschemedesignshouldbeconsidedenough.KeywordsRoadslopestabilityprotection河北理工大学毕业设计(论文)河北理工大学交通与测绘学院iii目录摘要....................................................................................................................i目录...................................................................................................................iii前言.........................................................................................................................11公路边坡的分类与边坡破坏类型.......................................................................11.1公路边坡的分类.........................................................................................11.2边坡破坏形式分类.....................................................................................12公路边坡稳定的重要性及稳定性研究的发展...................................................22.1边坡稳定性的概念.....................................................................................22.2公路边坡稳定的重要性.............................................................................32.3公路边坡稳定性研究的发展.........................................................................33影响边坡稳定性的主要因素...................................................................................33.1地质条件.....................................................................................................33.2水文地质条件.............................................................................................43.3新构造运动.................................................................................................43.4地貌因素.....................................................................................................43.5气候因素.....................................................................................................43.6风化作用.....................................................................................................43.7人类的工程活动因素.................................................................................53.7.1削坡...................................................................................................53.7.2坡顶加载...........................................................................................53.7.3地下开挖...........................................................................................54边坡稳定性的主要分析方法...................................................................................64.1边坡稳定性分析方法简介.............................................................................64.2边坡的稳定性分析(条分法)......................................................................64.3.稳定计算分析.............................................................................................9河北理工大学毕业设计(论文)河北理工大学交通与测绘学院iv5公路边坡防护的概述.........................................................................................105.1国内外研究概况.......................................................................................105.2边坡综合防护设计原则与注意事项...................................................126边坡防护与加固的方法和措施.........................................................................146.1.坡面防护...................................................................................................146.1.1种草.................................................................................................146.1.2铺草皮.............................................................................................146.1.3植树.................................................................................................156.1.4抹面与捶面.....................................................................................166.2冲刷防护...................................................................................................166.2.1护面墙.............................................................................................166.2.2干砌片石防护.................................................................................176.2.3浆砌片石防护.................................................................................176.2.4混凝土预制块防护.........................................................................186.2.5土工织物防护.................................................................................187河北省公路主要防护措施.................................................................................197.1植物防护...................................................................................................197.2框格防护...................................................................................................207.3护坡...........................................................................................................207.4封面...........................................................................................................217.5护面墙.......................................................................................................218边坡支护方案优化方法.....................................................................................228.1方案设计的原则和方法...........................................................................228.1.1方案设计的一般原则.....................................................................238.1.2方案设计的方法.............................................................................238.1.3安全等级评价方法.........................................................................248.2边坡的方案优选.......................................................................................25

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