土木工程概论(英文版)Chapter 5 Transportation, Bridge and harbor EngineeringPPT推荐.pptx
- 文档编号:13931725
- 上传时间:2022-10-15
- 格式:PPTX
- 页数:23
- 大小:1.04MB
土木工程概论(英文版)Chapter 5 Transportation, Bridge and harbor EngineeringPPT推荐.pptx
《土木工程概论(英文版)Chapter 5 Transportation, Bridge and harbor EngineeringPPT推荐.pptx》由会员分享,可在线阅读,更多相关《土木工程概论(英文版)Chapter 5 Transportation, Bridge and harbor EngineeringPPT推荐.pptx(23页珍藏版)》请在冰豆网上搜索。
ThefieldofTransportationEngineeringfocusesontheplanning,design,construction,andmanagementoftransportationsystems.Thesesystemsconsistofthefacilities,vehicles,controlmechanisms,andthepoliciesthatcombinetopermittheefficientconveyanceofpeopleandgoods.Designshighwaysystems(layout,routing),pavementmaterial,airportrunways,andrapidtransitprojects.Alsoinvolvedincomputercontroloftrafficsignals.,TransportationEngineering,WhatisTransportationEngineering?
Itcontainstheplanning,design,construction,maintenance,andoperationofair,highway,andurbantransportation,aswellaspipelinefacilitiesforwater,oil,andgas.Specifictopicsincludeairportandhighwaypavementmaintenanceandperformance.Transportationsystemsincludehighways,roads,railways,inlandwaterwaysandairways.,TransportationEngineering,Theimportanceoftransportationnetwork:
Itisnecessaryforeconomic,culturalandsociallifeofpeopleofacountry.Themovementofpeopleandgoodscanonlybepossiblewithagoodtransportationnetwork.Tradeandcommercedependonthetransportationsystem.Thesecurityofacountryrequiresagoodtransportationnetwork.Thestateofadvancementofcountryisreflectedbythedevelopmentofthecountrystransportation.,TransportationEngineering,Highways:
Highwaysareconsideredthemostimportantsystembecauseofthefollowingadditionalreasons:
TheycanbeusedbyallkindsofvehiclesTheyreachallplaces,hillstotinyvillagesHighwayscanbelaidaspereconomicconditionsandasperimportancefrommudroadstoconcreteroadsAchangeinspecificationfromanordinarytoanimprovedversioncanbeeffectedwithease,TransportationEngineering,Classificationofhighways(Accordingtoitstrafficcapacity,locationandthetypesofpavementused):
NationalhighwaysStatehighwaysMayerdistrictroadsOtherdistrictroadsVillageroads,Classificationasperroadstructure:
WaterboundmacadamroadsBitumentoproadsConcreteroads,TransportationEngineering,Considerationinplanningahighway:
Highwayshouldpassthroughimportanttownsen-routeHighwayshouldnotlieonprotectedplaceLandcostshouldbeminimumTopographicalfeaturesmayrequireacircuitousrouteMaximumusemustbemadewithexistingpathsandbridgesMaterialsandlabourshouldbeavailableallalongrouteCrossingshouldbeminimumbecausebridgesandtunnelsarecostly,TransportationEngineering,Geometriccharacteristics:
WidthCamberSuperelevationGradientVerticalcurvesHorizontalcurvesSightdistances,TransportationEngineering,TwolaneNationalhighwayinruralarea,Geometriccharacteristics:
TransportationEngineering,StructureoftheroadRigidpavementsFlexiblepavements,TransportationEngineering,Railwayengineering:
Permanentway:
Therailwaytrackincludingtheearthenformationiscalledpermanentway.Track:
Thetrackcomprisesthepartofrailsfixedtothesleeperswhichrestontheballast.Therailsarefixedsuchthattheyareparallelandseparatedexactlybyadistantcalledgauge.,TransportationEngineering,Someotherimportantcomponentsofrailways:
PointsandcrossingStationsandyardsSignalInterlocking,TransportationEngineering,Railwayengineering:
PictureofPhilipworkingontheRailTracks,TransportationEngineering,ClassificationofBridges:
Mainlyclassifiedaccordingtotheposition,material,andcharacteristicofthedeckslabaswellasthematerialandstructuralformofthearrangementwhichsupportthedeckslab.ThevariousclassificationsareUsage:
ashighway,railway,aqueductandpedestrian,Materials:
astimber,masonry,concrete,steel,prestressedandcomposite,Positionofdeckslab:
asthrough,semi-through,anddeck,Structuralfrom:
Asarch,slab,beam,andsuspension,Movementofdeckslab:
asBascule,verticalliftetc.,TransportationEngineering,Basicbridgesforms:
Thebeamform:
steelbridges,RCslabbridges,teebeambridges,continuousbeambridges,balancedcantilever.,ThearchformThesuspensionform,Othertypesofbridges:
MovablebridgesSwingbridgesBasculebridgesVerticalliftbridgesPontoonbridgesCausewaysCablestayedbridges,TransportationEngineering,bridgesforms:
TransportationEngineering,TransportationEngineering,Teebeambridge,Continuousbridge,bridgesforms:
TransportationEngineering,bridgesforms:
TransportationEngineering,Bridgescomponents:
Foundations:
Theycarryheavyloads.Abutmentandpiers:
Piersareverticalsupportstothebridgestructure.Bearing:
Amechanicalarrange
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 土木工程概论英文版Chapter Transportation Bridge and harbor Engineering 土木工程 概论 英文 Chapter Transportation
链接地址:https://www.bdocx.com/doc/13931725.html