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1、钢结构设计原理第一,二章张建平（Steelstructuredesignprinciplefirst,secondchaptersZhangJianping）PptdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyouselectTXTfirstordownloadthesourcefiletothelocalmachine.ChapteroneIntroduction1.1ofChina'ssteelstructureof1.c
2、hains:ancientbridge:theDaduRiverbridgelength100m,width2.8moftheearliestchainbridgeisLanJinQiaoTower:JadeSpringtempletower:1061SongDaijiannowHubei13storey17.5mkanrojitowerbuiltin1078inJiangsunowZhenjiangwasoriginally9layeroftheexisting4storey5m2.beforetheliber
3、ationofShanghaistadium1934:builtthreehingedarchbridgespan42.6mQiantangRiver:builtin19373.aftertheliberationofWuhanYangtzeRiverbridgebridge:::1957built1155.5mNanjingYangtzeRiverBridge:builtin1968intheYangpubridge,Nanpubridge,NanjingYangtzeRiverBridgeisacable-s
4、tayedbridgeinJiujiang:YangtzeRiverbridgerailway,roadandthemaximumspanof216mWuhanYangtzeRiverbridgeWuhanYangtzeRiverbridgeisaroadandrailbridge,atotallengthof1670meters,thebridgepartofthe1156patients,atotalof514metersonbothsidesoftheapproach.Theupperroadsurface
5、is18meterswide,whichcanbeusedinparallelwithsixcars,withsidewalksonbothsides,anddoubletrackrailwaybridgesonthelowerlevel.NanjingYangtzeRiverBridgeislocatedinthenorthwestofNanjingcityontheYangtzeRiver,connectedtotheurbanandPukouDistrict,isadoubledeckhighwayandr
6、ailwaydualbridgedesignedandbuiltbyourselves,completedinDecember29,1968.Theroadbridgeis4589meterslong,15meterswidedriveway,andcanaccommodatelarge-scalecarparallel4,bothsidesalsohavemorethan2meterswidesidewalks;thelowerrailbridge6772meterslong,14meterswide,doub
7、letrack,twotrainscanbeopenedatthesametime.Theriveronthebridgeis1577meterslong,fortherestofthebridgeapproach,approachroadtoadoptChinesecharacteristicsofthedoublecurvedarchbridgeform.TheroadonbothsidesofthebridgerailingonQianzhao200castironreliefs,sidewalksand1
8、50ofmagnoliaflowershapedlamps,eachofthetwoNorthandsouthendsofthebridgehead70metershigh,baoneielevatorcanlookoutpasstherailwaybridge,roadandBridgebridgeheadonthe.Therewasasculptureofworker
