基于無損檢測技術(shù)的連續(xù)箱梁橋檢測評估及加固方案優(yōu)化研究.pdf

1、長沙理工大學(xué)碩士學(xué)位論文基于無損檢測技術(shù)的連續(xù)箱梁橋檢測評估及加固方案優(yōu)化研究姓名：陳昆申請學(xué)位級別：碩士專業(yè)：橋梁與隧道工程指導(dǎo)教師：田仲初20090420ABSTRACTBasedontheconclusionofstudYontherelatedresearchathomeandabroad，thisthesisstudiesonthediseasedetecting，theassessment，thereinforcementp

2、rogramoptimizationandthefinalpreferredreinforcement—thetechniqueofboltingsteelplates，whichdependingontheprocessassessmentandreinforcementofalong—spancontinuousprestressedbox—girderbridge，inaccordancewiththemainlineofdete

3、ction，identification，assessmentandreinforcementofcontinuousprestressedbox—girderThemainresearchasfollows：1IthasformulatedappropriatedetectionschemesaimatthecomplexactualsituationofthisbridgeInordertogettherealdiseaseofth

4、ebridge，IthasputforwardthewayofcombiningtheGPRdetectionandsample—drillingmethodwiththenonmetalultrasonicdetector，theengineeringintelligentcrackdetectorandotheradvancedinstrumentstopreliminaryanddetaildetectingalong—spanc

5、ontinuousprestressedbox—girderbridgeThroughcoresamplingmethod，itverifythenondestructivetestingofgroundpenetratingradarhasgoodpracticabilityBasedonthetestresult，thedurabilityofthesinglecomponent(bottomplate)andwholeofpres

6、entbridgeshasbeenassessedanddeterminetheneedforthereinforcementlocalinthecloSUreofthecrosssectionofbridge2Basedontheresultsofdetection，withthefiniteelementanalysissoftwareMIDASandlocalanalysisofthebridge，thecausesofdisea

7、seofbottomplateofboxbeamhasbeendiscussedtheconclusionthatbetweenthereinforcedcoatingofbackplanandreinforcementfabricinwebreinforcementisnotformedtheeffectiveforceasawholeframework，whichWillweakentheresistanceofthebottomp

8、late，makingcross。segmentofclosureincreasesthepossibilityofbottomplatecollapse3Indeterminingtheneedforstrengtheningthebridge，it’Snecessarytorapidlyandaccuratelydeterminetheoptimalreinforcementoftheprogram，Withtherelativem