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1、河北建筑工程学院毕业设计（论文）外文资料翻译系别：土木系专业：土木工程（道桥方向）班级：工077姓名：学号：外文出处：ProfessionalEnglishonCivilEngineeringMechanics附件：1、外文原文；2、外文资料翻译译文。指导教师评语：签字：年月日1、外文原文（复印件）Theroad(highway)Theroadisonekindoflinearconstructionusedfortravel.Itismadeoftheroadbed,theroadsurface,thebridge,theculvertand
2、thetunnel.Inaddition,italsohasthecrossingoflines,theprotectiveprojectandthetrafficengineeringandtheroutefacility.Theroadbedisthebaseofroadsurface,roadshoulder,sideslope,sideditchfoundations.Itisstonematerialstructure,whichisdesignedaccordingtoroute'splaneposition.Theroadbed,
3、asthebaseoftravel,mustguaranteethatithastheenoughintensityandthestabilitythatcanpreventthewaterandothernaturaldisasterfromcorroding.Theroadsurfaceisthesurfaceofroad.Itissingleorcomplexstructurebuiltwithmixture.Theroadsurfacerequirebeingsmooth,havingenoughintensity,goodstabil
4、ityandanti-slipperyfunction.Thequalityofroadsurfacedirectlyaffectsthesafe,comfortandthetraffic.Theroutemarkingisonekindoftrafficsafetyfacilitypaintedbyoilpaintormadebytheconcreteandtilesonhigh-level,lesshigh-typesurface.Itsfunctioniscoordinatingthesigntomaketheeffectivecontr
5、oltothetransportation,directingthevehiclesskiproadtravel,servingunimpededandthesafepurpose.Ourcountry’sroadroutemarkinghasthelanemedianline,thetrafficlaneboundary,thecurbline,theparkingline,theconductioncurrentbelt,thepedestriancrossingline,thefourcornerscentercircle,thepark
6、ingazimuthline.Theroutemarkinghasthecontinualsolidline,thebrokenlineandthearrowindicatoranditscolorusesthewhiteortheyellow.Thearchofbridgeisthestructurewhichstridesoverrivers,mountainvalleyandchannel.Itismadegenerallybysteelrod,concreteandstone.Thetunnelisthecavewhichconnect
7、sbothsidesoftheroad.Thetechniqueofthisconstructionisverycomplex,thecostoftheprojectsishigherthancommonroad.However,itreducesthedrivingdistancebetweentwoplaces,enhancesthegradeofthetechnicalinbuildingtheroadandguaranteesthecarscandrivefastandsafely,thusreducesthecostoftranspo
8、rtation.Theprotectiveprojectistoprotectandconsolidatetheroadbedinorderthati
