灰色系統(tǒng)理論及在混凝土橋梁施工撓度變形監(jiān)測中的應(yīng)用.pdf

1、西南交通大學(xué)碩士學(xué)位論文灰色系統(tǒng)理論及在混凝土橋梁施工撓度變形監(jiān)測中的應(yīng)用姓名：高淑照申請學(xué)位級別：碩士專業(yè)：大地測量學(xué)與測量工程指導(dǎo)教師：劉成龍2002.5.1西南交通大學(xué)碩士研究生學(xué)位論文第1I頁AbstractSelferectionsystemisappliedtoconstructionofmostofmodemlargespanconcretebridgesIntheprocessofconstruction，cantile

2、verbeamischangingcontinuouslybecauseofthegravityofconcrete，thestretchingforce，theloadandtemperaturevariationetcInordertoensurethattwocantileversconstructingoppositecannormallycloseupandthatthebridgelinearityCanaccordwith

3、design，flexibilitydeformationhastobemonitoredTheaimofflexibilitymonitoringistoforecastpossibleflexibilityofconstructinggirderaccordingtotheprinciplegeneralizedfromconstructedgirderSOthatmeasurescanbetakenOnaccountoftheco

4、mplexityofflexibilitydeformationanditsinfluencefactors，itcan’tbeexactlymeasured，SOitisthoughtasagreyquantumIntheoryitisfeasiblethatusinggreysystemtheorytoforecastflexibilityOnthebasisofthistheorytaking270metersspancontin

5、uousrigidflamebridgeofHuManBridgeasanexample，thispaperanalyzestheflexibilitydeformationintheprocessofconstructionAtthesametime，theothertwomodels，namelyregressionanalysisandtimeseriesanalysismodel，areusedtocomparecalculat

6、ionresultThewholepaperisdividedintofourchaptersChapteroneintroducestheaim，significance，classificationofdeformationmonitoringandthedevelopmentstateofdeformationanalysisandforecastingstudyChaptertwodiscoursesthebasictheory

7、calculationmodelandmainadvantagesanddisadvantagesofregressionanalysisandtimeseriesanalysisChapterthreediscussesgreysystemtheoryindetail，includingthebasictheorygreyincidenceanalysismodelincommonuseandforecastingmethodChap

8、terfouranalyzestheresultsofflexibilitydeformationof270metersspancontinuousrigidframebridgeofHuMenBridge，calculatedwithregression，timeseriesandgreysystemmodelGreysystemtheoryappliedtoconstructcontrolinmodemlargespanconcre

9、tebridgeisinthestageofstudyGM(I，b)model，consideringthetemporgumvariationinfluence011longcantilevergirderisproposedtosolvethefittingandpredicationproblemofflexbilitydeformationforthefirsttimeAftertheapplicationsitshowshig

10、herprecisionandwiderapplicationprospectinsmallquantitydataconditionThemodelwouldbcpopularizedforcablestayedbddgeandcontinuousbeambridgeKeywords：GreySystem；RegressionAnalysis；TimeSeriesAnalysis；DeformationMonitoring；Flexb