大跨度鐵路鋼桁斜拉橋施工階段力學行為分析.pdf

1、西南交通大學碩士學位論文大跨度鐵路鋼桁斜拉橋施工階段力學行為分析姓名：張運波申請學位級別：碩士專業(yè)：橋梁與隧道工程指導教師：李喬201105西南交通大學碩士研究生論文第1I頁AbstractAccordingt0tllecllaraCt甜SticsoftherailwlylongSp鋤Steel仃usscable咖Iyedbridge，thjsnlesisfocuSes0nme咖dyof恤fIeaturesoftherailwaycab

2、les嘶edbridgeincons仇lctionprocessThemaincomentsofⅡlenlesisarcconstisutedof錒oparts：t11eanalysisofmefea：turesoft11emilwaycablestayedbridgeinconstmctionprocess趾ldgeom確cnominearbehaViorofthist)，peofs饑lctl鵬duringcons饑lctionFir

3、stly，tllefeaturesoftherail、Ⅳa【yca_blestatyedbridgeiIlcoIlS仃uctionprocessarein仃oduced111enaccordingt0廿lech蹦犯teristicsofthemilwaylongspallcablestayedMdge，mewholeconstmctionprocess觚teelementmodelofH鋤jia劬Y鋤gtze黜VerRali、vayBr

4、idgeissimulatedBystudyingthedefomationandnleintemalforCeofsomeimpon觚tstrIlC眥ssuchaStower，maill仇lsses，calbe，etCdllringoVemllprocess，tllecablestayed’smec觚calbeIlaViord嘶ngcons仇lctionwillbeestimatedAtlaSt，for觚herunderstandin

5、gthefeatIlresoftherailwayc吞ble—sta_tyedbridgeinconstructionprocess，tlledi丘Ierenti11nuenceofsomeimpa戍parameterstothebridgedefom：lation鋤dthes仃essofthecablesbet、ⅣeentllerajlwaycableSt2時edbridgeandtlleHighv哪7cablestatyedbrid

6、ged耐ngsomet)，picalprocessareShowedSecondly，basedonmeconStmCtionoftlleHa內iatuoYan百ze鼬VerIhliwayBridge，tllewholeconstnJctionprocessissimulatedusingthela瑪eandgeneralandfiniteso仃wareANSYS，thecalculationincludesline撕吼paItnoll

7、line撕夠(donotcollSiderttlesage虢ct)andcompletenonlineari夠ThenitisaIlalyzed也egeometricnolllinearhehaViori11memaximuIlls”珈m嘶ccaIltileVerstage，maxim啪siIlglec觚tileVerstage，thepostcaSt蛐唱e鋤dliVeloadstageBystudyingdefonnation鋤dth

8、eintemalforCeduringthedboVestages，t11ema印itudeandnlleofgeometricnoIllineare艉ctsoftherailwa)7longspaIlsteel仃usscable—stayed晰dgeare如llyresearchedKeywords：railwaycable—stayedbridge，steel饑lss，cons饑JctioIl，mechaIlicalbehaVior