外文翻译--公路和机场路面设计

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1、中文2942字本科生毕业设计（论文）外文资料翻译翻译资料名称（外文）：HighwayandAirportPavementDesign翻译资料名称（中文）：公路和机场路面设计学院：建筑工程学院系土木工程专业：土木工程（道桥）班级：学号：姓名：指导教师：完成日期：2012年02月20日11HighwayandAirportPavementDesign（Excerpt）T.F.FwaNationalUniversityofSingapore1.IntroductionPavementsaredesigned

2、andconstructedtoprovidedurableall-weathertravelingsurfacesforsafeandspeedymovementofpeopleandgoodswithanacceptablelevelofcomforttousers.Thesefunctionalrequirementsofpavementsareachievedthroughcarefulconsiderationsinthefollowingaspectsduringthedesignandc

3、onstructionphases:(a)selectionofpavementtype,(b)selectionofmaterialstobeusedforvariouspavementlayersandtreatmentofsubgradesoils,(c)structuralthicknessdesignforpavementlayers,(d)subsurfacedrainagedesignforthepavementsystem,(e)surfacedrainageandgeometricd

4、esign,and(f)ridabilityofpavementsurface.Thetwomajorconsiderationsinthestructuraldesignofhighwayandairportpavementsarematerialdesignandthicknessdesign.Materialdesigndealswiththeselectionofsuitablematerialsforvariouspavementlayersandmixdesignofbituminousm

5、aterials(forflexiblepavement)orportlandcementconcrete(forrigidandinterlockingblockpavements).Thesetopicsarediscussedinotherchaptersofthishandbook.Thischapterpresentstheconceptsandmethodsofpavementthicknessdesign.Asthenameimplies,thicknessdesignreferstot

6、heprocedureofdeterminingtherequiredthicknessforeachpavementlayertoprovideastructurallysoundpavementstructurewithsatisfactoryperformanceforthedesigntrafficovertheselecteddesignlife.Drainagedesignexaminestheentirepavementstructurewithrespecttoitsdrainager

7、equirementsandincorporatesfacilitiestosatisfythoserequirements.2．PavementTypesandMaterials2.1FlexibleversusRigidPavementTraditionally,pavementsareclassifiedintotwocategories,namelyflexibleandrigidpavements.Thebasisforclassificationisthewaybywhichtraffic

8、loadsaretransmittedtothesubgradesoilthroughthepavementstructure.AsshowninFig.2.1,aflexiblepavementprovidessufficientthicknessforloaddistributionthroughamultilayerstructuresothatthestressesandstrainsinthesubgradesoillayersare11wit