桥梁桩基完整性检测及处理方案的研究

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1、华中科技大学硕士学位论文桥梁桩基完整性检测及处理方案的研究姓名：施力申请学位级别：硕士专业：建筑与土木工程指导教师：王元汉20060420华中科技大学硕士学位论文AbstractAlongwiththedevelopmentofthecommunicationsysteminChinaintheneartwentyyears，thecaissonpilesarewidelyusedinbridgeengineering．Thecaissonpileisthekeypartinthequalitycontroloftheengineering．Itisalsothepartthatme

2、etsmoleproblemsontechniqueandquaiityintheprocessingoftheengineeringconstruction，whichmakesthequaiitydetection012．pilesbecomemoreandmoreimportant．TheForthXiangfanHanjiangBridgeistakenaStheresearchobject．Thedetectiontechniqueoftheultrasonictransmissionmethod，theanalysismethodofthedetectionresults

3、andtheprocessingschemeofthedeficiencyareintroducedinthethesis．Firstly,thedevelopmentalhistoryandthegeneralsituationofthebridgepilesinChinaarereviewed．Thecomnlonproblemsinqualityandthedetectionmethodareintroduced．Thefundamentaltheoryoftheacoustictransmissionmethod，detectionmodeandthefielddetecti

4、onregnlmionaredemonstrated．Secondly，thegeneralsituationoftheForthXiangfanHanjiangBridge，thedesignofthepilefoundationandtheconstructionprocedureareintroduced．TheclaSsificationcriterionofthepileintegritydetectionbyacoustictransmissionmethodisindicated．Thedetectionprocedureandtheresultsonthebridge

5、pilesaredescribed．Thedetectiondatawiththespoiledpilesareanalysized．ThesoundfieldshadowoverlapmethodisusedtoconfirmthepositionandstyleofthedeficiencyAccordingtothepiledeficiency,thereasonsareanalysizedandthecheckingcalculationiscarriedoutassociatedwiththecriterion．Theprocessingschemeonthedeficie

6、ncyisdrawnoutandtheconstructiontechnologywitllthehighpressure蠲ectedisdescribedintermofthepracticalengineering．Thequalitydetectiononthepilesiscardedoutaftertrealmentandthereinforcementeffectisevaluated．Intheviewofprecaution，thestrictcontrolprocedureisconsideredtobethebestwaytoensurethequalityoft

7、hepiles．Accordingtothecriterion，somesuggestionsareputforwardonthedrillingtechnologyandII华中科技大学硕士学位论文theconcretepcrfusionwiththebddgcpilcs．Finally,theresearchworkissummarizedcombinedwiththepracticalengineeringinChina．Intheworkingof