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1、目录第一章绪论11.1沿线工程地质概况11.2主要设计内容11.3设计指标及技术标准2第二章路线设计42.1概述42.2一般原则与设计原理42.3选线步骤52.4平面线性设计52.5平曲线计算8第三章纵断面设计113.1概述113.2原则及方法113.3纵断面设计计算143.4纵断面设计成果16第四章横断面设计184.1概述184.2设计原则184.3设计步骤194.4设计综述194.5土石方的计算及处理22第五章路基设计与防护275.1概述275.2路基设计275.3路基排水设计31第六章挡土墙设计326.1挡土墙设计原则326.2挡土墙的横向
2、布置336.2.1平面布置336.3排水设施336.4沉降逢与伸缩缝346.5挡土墙施工方法346.6挡土墙设计验算34第七章路面设计457.1概述457.2路面结构设计原则45coefficientnotgreaterthan1.3;Highefficiency:control1hourtraveltimebetweenanytwopointswithinthevariousgroupswithintheareauptohalfanhour,1-houraccesstotheairport,45minreachedthecity'smaintr
3、affichub,externalhighwayforhalfanhourwiththemainchannelsconnectingbus1.5hoursbetweenanytwogroupsofcoreareas;Intensive:2030transitsharerateofaround35%,2050bussharingrateof45%percent.3rdchapter,Yibincity,trafficsituationandGeneral...3.1.1citytrafficstatus1,externaltransportpass
4、engerandcargotrafficinYibincity,trafficatthepresentmainrailway,highway,waterwayandairfourmodesofpassengerandfreighttransport,thereandculturalheritage,highlightingtheculturaltasteandshapecharacteristicsofthecityinYibin.Accordingtoforecasts,vision2050populationwillreach2.1milli
5、onpeopleinthecenterofYibincity,urbanlandisaround210km2.Figure2.6-12050figure2.7landuseplanningintheCenterCity,Yibincitydevelopmentrequiresthedevelopmentofbusrapidtransitconstructionandsocio-economicdevelopmenttrends,Yibincitycoordination,supportingurbanspacelayoutandinfrastru
6、cturenetworks,transportorganized,internalandexternaltraffichubsmoothlylinking,realizingsustainabledevelopmentofYibincityintegratedtransportationsystem.Concretecanbesummarizedas,accessible,efficient,intensiveandsustainable.Accessibility:Centralbuilt-uparearoadnetworkdensityofa
7、bout7.0km/km2;buslinedensityof3-4km/km2,bustransfer1037.3结构层组合设计原则457.4路面设计步骤467.5沥青路面结构设计467.6水泥混凝土路面设计54第八章桥涵设计638.1设计资料638.2设计要点638.3空心板截面几何特性计算648.6预应力钢筋数量估算及布置758.5换算截面几何特性计算778.6承载能力极限状态计算788.7正常使用极限状态计算828.8主梁变形验算888.9持久状况应力验算918.10短暂状况应力验算978.11桩长计算102附录104参考文献：104coe
8、fficientnotgreaterthan1.3;Highefficiency:control1hourtraveltimebetwe
