二级公路设计说明书

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加漠公路(K232+625.183-K238)施工图设计摘要当今国民经济迅猛发展,公路基础设施成为国民经济建设中的最薄弱环节,出现了全面紧张的局面。20世纪末,中央将交通运输事业尤其是公路的发展作为国民经济发展的全局性、战略性和紧迫性任务,公路建设得以迅速发展。本次设计的加漠公路就是为了国家经济发展需求而建设的。本项目经过对外业数据的整理和对当地地质情况、地形、地物、水文等自然条件的熟悉,依据《公路工程设计标准》(JTGD30-2004)、《公路路线设计规范》(JTGD20-2006)、《公路路基设计规范》(JTGD30-2004)、《公路水泥混凝土路面设计规范》(JTGD40-2011)等技术规范并应用纬地道路综合设计软件进行设计的,经过以下步骤最终完成设计:1.公路设计等级的确定;2.主要技术指标的确定;3.路线平面设计;4.纵断面设计;5.路基路面设计;6.小桥涵说明;7.交通工程及沿线设施设计;8.造价编制及分析;9.总说明书。本设计为二级公路,本次设计中注意了平、纵线性的结合,尽量做到平面线形直捷、连续、顺畅,并与地形地物相适应,与周围环境相协调,保证施工图设计内容全面、科学、合理,既考虑了经济技术的可行性,同时也考虑了该工程对当地经济发展的作用和环境保护。关键词路线;路基;路面;设计TheDesignofTheSecond-classRoadK232+625.183~K238SectionFromJiagedaqitoMoheAbstractWiththerapiddevelopmentofnationaleconomy,roadinfrastructurehasbecometheweakestpartinthenationaleconomicconstruction.Therehasbeenfulloftension.Afterthe1990s,thecentralcauseregardstransportation,especiallythedevelopmentoftheroadastheoverall,strategicandurgenttask,sothehighwayconstructiondevelopsrapidly.ThedesignofJiaMohighwayistomeetthecountry'seconomicdevelopmentneedsoftheconstruction.Theprojectafterexternalindustrydatacollationandfamiliaritywiththelocalgeologicalconditions,terrain,terrain,hydrologyandothernaturalconditions,basedonhighwayengineeringdesignstandards(JTGD30-2004),highwayroutedesignspecification(JTGD40-2006)“Thehighwayroadbeddesignspecifications(JTGD30-2004),AsphaltPavementDesignspecification(JTGD40-2011)andothertechnicalspecificationsandapplication-wai,roaddesignsoftwaretodesign,thefinalcompletionofthedesignthroughthefollowingsteps:1.Highwaydesignleveldetermined;2.Determinationofthemaintechnicalindicators;Routegraphicdesign;profiledesign;5.Subgradeandpavementdesign;6smallbridgesandculvertsDescription;trafficengineeringandfacilitydesignalong;costforthepreparationandanalysis;9.PrincipalBrochure.Thedesignisthesecondaryroad.Ithaspaidattentiontothelevel,thecombinationofthehorizontalandlongitudinallinear,anditiscontinuous,smooth,andcompatiblewiththeterrainasfaraspossible.Thedesignisinharmonywiththesurroundingenvironmentandensuresthattheconstructiondesigniscomprehensive,scientificandreasonable.Notonlytoconsidertheeconomicandtechnicalfeasibility,butalsotakeintoaccounttheeffectoftheprojectonthelocaleconomicdevelopmentandenvironmentalprotectionatthesametime.Keywordsroute;subgrade;pavement;design目录摘要Abstract1绪论...........................................................................................................................................11.1设计概况...............................................................................................................................11.2技术标准...............................................................................................................................12沿线自然地理概况...................................................................................................................22.1地形地貌...............................................................................................................................22.2工程地质、地震...................................................................................................................22.3气候水文...............................................................................................................................22.4建设条件...............................................................................................................................23路线设计...................................................................................................................................33.1平面设计...............................................................................................................................33.2纵断面设计...........................................................................................................................33.3超高设计...............................................................................................................................33.4横断面设计...........................................................................................................................33.5路面横坡...............................................................................................................................33.6用地范围...............................................................................................................................33.7土石方的计算和调配...........................................................................................................44路基设计...................................................................................................................................54.1路基设计原则.......................................................................................................................54.2一般填、挖方路基设计.......................................................................................................54.3路基填料要求及压实度.......................................................................................................54.4路基清表土设计......................................................................................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