2010上海世博会英国馆结构健康监测-研究

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1、ABSTRACTInrecentyears，thefast-growingconstructionindustryhasbecomeallimportantparttopromotenationaleconomicdevelopmentinChina．TheChinesegovernment’Sfour-trillioneconomicstimulusplanandmajorinternationaleventsheld，suchas2008BeijingOlympicGames，2010WorldExpoShanghaiand2010GuangzhouAsianGames，t

2、hathaspromotedthedevelopmentoftheconstructionindustryrapidly．Alargenumberofnewbuildingswhichareunique．shape，large—scaleandcomplex-structurestandinOurlandasthetrendofthetimes．HoweveLthecontridictionbetweentherapiddevelopmentoftheconstructionindustryandthesafetyofstructureshouldn’tbeneglected．

3、EngineeringaccidentsarecommonaroundUS．Structurehealthmonitoringtechnologyasaneffectivemeanscallevaluatethetruestateofthestructure，andeffectivelypreventtheoccurrenceofengineeringaccidents．Itisofgreatengineeringsignificance．Basedonthenational863projectwhichis‘'thedisasterwarningoflarge—spanspa

4、cialstructureundercomplexenvironment”，thispaperintroducesthestructurehealthmonitoringresearchoftheUKpavilionintheconstructionandoperationatExpoShanghai．Itunderstandstheoperationalstatusofthestructure，anddevelopsaninformationmanagementsystemwhichprovidesastrongguaranteeforthesafeuseofthestruc

5、ture．Italsorealizesthesharingofmonitoringinformationandthevisualizationofmonitoringresults．Firstly,theexistingmonitoringmethodswereintroducedsystematically．Itsummarizedandcomparedtheadvantagesanddisadvantagesofdifferentmethodsofstrainmonitoring，vibrationmonitoringanddeformationmonitoringinth

6、eirrespectivefieldsfromthetechnicalprinciplesandpractical．Combinedwiththeactualsituationoftheengineering，itchoosestheappropriatemethodofstructuremonitoringoftheUKpavilion．ThestrainandvibrationmonitoringsystemisbasedonwirelesssensortechnologywhichisdevelopedbyOurrearchgroup，anddeformationmoni

7、toringsystemisdevelopedbyLeicaCorporation．Thebothofmonitoringsystemsarediscussedinthepaper．Secondly,withthemonitoringequipmentsandsystemsthatareintroducedabove，theforces，dynamicresponseandgeometricdistortionofstructurearedynamicallymonitoredintheco