預(yù)制寬梁節(jié)段預(yù)應(yīng)力混凝土橋梁節(jié)段施工中關(guān)鍵問(wèn)題的研究.pdf

1、同濟(jì)大學(xué)碩士學(xué)位論文預(yù)制寬梁節(jié)段預(yù)應(yīng)力混凝土橋梁節(jié)段施工中關(guān)鍵問(wèn)題的研究姓名：朱波申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：橋梁與隧道工程指導(dǎo)教師：陸光閭周良2003.3.4一壘豎!!堡壘!!二!上AbstractWiththedevelopmentofhigh—speedraihvaymagneticsuspensiontrainandsegmentalbridgeinrecentyears，thecontrollingofthephysicaldim

2、ensionsofprestressedCOHCl’etebridgeismorestrictlyBecausethedeformationcontrolofthesegmentwithwideboxgirderiscriticaltotheconsolidationprecision，itisvelYessenlialtostudythedeformationbehaviorofthesegmentintheinfluenceofdi

3、ffcJ_entfactorsBasedonthecompletionofthesitetrialoftheprecasltestsegmentswithCmvedBottomandWideBoxGirderusedinsecond—stageprojectofHuminElevatedLine，thethesisdrawssomeconclusionsbycomparingtheoreticalanalysiswithtestdata

4、Theseconclusionsconsistofthesimplifiedapproachofcalculatingmovementwiththeactionofselfwetght，thedeterminationoftheboundaryconditionsincalculatingmovementcausedbytra／tsverseprestress，theregularitiesofdistributionofthetemp

5、eraturefieldinsteam—curedandsun—shine，andthesimplifiedapproachofcalculatingtemperaturemovement，MoreovertheintoDlalperfonnanccofsegmentswhichareconsolidatedtoawholebodybyglue，isstudiedintheendofthearticleTheaimofthatistos