京滬高速鐵路濟(jì)南黃河大橋下部結(jié)構(gòu)施工技術(shù).pdf

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