高墩大跨連續(xù)剛構(gòu)橋穩(wěn)定性研究.pdf

1、長(zhǎng)沙理工大學(xué)碩士學(xué)位論文高墩大跨連續(xù)剛構(gòu)橋穩(wěn)定性研究姓名：相其生申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：橋梁與隧道工程指導(dǎo)教師：劉小燕韋成龍20070501AbstractThecontinualrigidfhmebridgewithhi曲pier粕dlongspanwaswidespreadusedbec她se0fmefcamre：explicitaboutforce；ddVingunimpeded；thematllretechniqueofcons

2、tmctionetcEspeciallyforthel盯gebridgewithhighpier，“isf打oufedbythebuilderof丘弓ewayinmountainousareabecauseofusingnexibilityofthinwallpi凹t0adaptalll【indsofeffcct砌spicrbd∞gstocompfessionbendingcompomntintheorcticaldesign，actI

3、lalIy，thepierexistinginitialdefect，addingothcrfactor’saff的tswhichmadeit’sstabilitymorecomplexBasedthebackgroundsontheYeSanheBridge，theanicleh觴觚alysisedthehighpierself_s詛bility，tllebiggestcantileverstate’ss協(xié)bility柚dtlle鋤t

4、irebridge’sstabilityThemainfcse盯chcontenlandmeachievementinclude：。hthclimitofelasticity，ithasinfemedtllecritical10adfb咖uaaboutVariablecross—sec吐onhighpier’sselfs扭bilityandtlleb嚕gestcantileVerstate’ssta_bilityincontinualr

5、i西dffamebridgeofdoublethinwall柚dhighpicrbymeR婦method，觚ddrawcd叩acalculatepmcedllfewllichprOVidedonequickcompu詛tion“memOdfbrnliskind0fbfidgestable’squestionThelargeFinitcElememSORwarcANSYSw髂uscdto柚alysisn圮stabililyaboutthe

6、YeSanlle晰dgebyestablisIlingmreedimcnsi∞alfiniteelemem啪delfortllehighpicr，mebiggestc髓tilev盯state柚dtllefinishedbridgestatenhas札alysedmeeffccttotllebridge’sstabilitywllichs印mtelyconsideredinitialdisplacementoftllepicr，initi

7、aloffsctOfttleload0nthetopofpicr，tlleimpact0fwindload，dimrcnal把mpemturceff&toftllesunshine姐d輒spendedwa90ndroped，h勰obtainedthe鄺lchowinfluencet0mestableofbridgcbyeachkindofnawhmecaIcuIation，ith嬲discussed柚d卸alysisedttleeffc

8、ctofthe晰dge’sstabilitywimmou曲tingmeconcrete’sshrinkage姐dcreep鋤dthetcmperatllrcoVertllestmctIl托hals0has缸alysisedmeYeS柚heBridge’sstabilitywimmeh缸mfulcombination0floadsandcauculatedthes“IbilityoftheYeSanheBridgeinthchamfblc

9、oInbinatiOnoflOadsThercsultspmvidethetlleoryins仃IlctionfbrthepmblemofstabilityoftheYeSaIllleBridge柚dtllercferencefortheresearcht0thiskindofbfidge’sst曲ility姐dmebridge’sstabilitywhichconsidered也einitiaIfIawKeyword：VariabIe