1、西南交通大學(xué)碩士學(xué)位論文京滬高速鐵路濟(jì)南黃河大橋下部結(jié)構(gòu)施工技術(shù)姓名:李東文申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):地質(zhì)工程指導(dǎo)教師:程謙恭朱甲讓20050601西南交通大學(xué)碩士研究生學(xué)位論文AbStractThiSpaperexpoundsthesubstructureconstructionprocess,technicS,techniquesandqualitycontrolofJinanYellowRiverBridgconBeijing—Sh
2、anghaihigh—speedrailwayThisbridgeisoneofthemostimportantengineeringonBeijingXuzhoupartofBeijingShanghaihighspeedrailwayAndthebridgeislocatedinthenarrowwatercourseofYellowRiverinsouthofLuxiplainThetypesofpierandfoundation
3、arerecountedasfollows:1theabutmentsarerectangular;2rectangularhollowpiersareusedinthepartsdoublelinesimplesupportedbeamsandprestressconcretecontinuousbeams,multi—columnrectangularpiersareusedinthepartsroadintersectionbea
4、ms,rectangularsolidpiersareusedinthepartscombinationbeams,peakedsolidpiersareusedinthepartscontinuoussteelbracedgirdersinmainbridge;3boredcast—inplacepilesareusedasapproachspanfoundation,circularopencassionsareusedinfixe
5、dpiersofcontinuoussteelbracedgirdersinmainbridge,boredcast—in—placepilesareusedasshiftingbearingpiers’foundationinmainspanofrightbridgeAmongthem,theconstructiondifficultiesare:boredcast—in—placepilesandthecapsconstructio
6、nofthe15‘a(chǎn)nd3‘6pierinmainbridge;opencassionsandthecapsconstructionofthe2“opierinmainbridge;spliceofequalheightcontinuoussteelbracedgirdersinmainbridgeThispaperexpoundsthesubstructureconstructionmethod,technicsandSOonFurt
7、hermore,thepaperintroducesemphaticallytheconstructionmethod,technicsandtechnicalmeasuresofboredcastinplacepilesandopencassionsandthecapsBesides,reasonablesuggestionsareposedandeffectivemeasuresaretakenonconstructionwhich
8、ensuresthequalityandplanofconstructionWhatthispaperexpoundisasuccessfulexperienceforothersimilarbridgeengineeringconstructionkeywords:railroadbridge;substructure;boredcase—in—placepile;opencaission;constructiontechniques