1、國內圖書分類號：U44316國際圖書分類號：西南交通大學碩士研究生學位論文深水樁基施工振動對既有橋梁的影響研究年級：2QQ主姓名：藍盎盟申請學位級別：亟專業(yè)：播鎏皇隧道王猩指導教師：差主召亡2007年3月西南交通大學碩士研究生學位論文第fI頁AbstractWiththecontinuousconstructionsofbridgesinrecentyears，asalifelineproject，theconstructingosci

2、llationofthesebridgeshavebecomeanincreasinglyseriousproblem，Intheurbanconstructionespeciallyintheextensionproject，theapplicationofpilefoundationhasbeenalreadymoreandmoreextensiveButbecausepileconstructionisoftenacompelle

3、dvibrationcourse，soitregularlyinvolvesnproblemthattheprojectshakingleadstothesafeassurancequestionsofbuildingfacilities、livesandpropertiesaroundThedevelopmentofthetechnologyoftheprojectvibrationtestshasofferedscientifics

4、upportforsolvingthiskindofproblemButbecauseofthecomplexityofthevibrationcourseunderground，howtoconfirmtherationalcalculationmodelandoptimizethemeansoftestingandthemethodofestimatingisthekeypointofexaminingoscillationThis

5、thesisusesFoKaihighspeedextensionprojectthatthevibrationofbasicconstructioninJiujiangbridgemainmoundasthebackground，havemainlyfinishedthefollowingaspects：(1)Throughcontrollingthedegreeandrangethatthebasicconstructionofex

6、tendingJiujiangbridgemainmoundaffectstwoexistingJiujiangbridgespierpileonitsbothsidesandtheupperstructureofbridges，weconfirmtherationalmonitoringscheme(2)OnthebasisofevaluatingthesituationoftwomainJiujiangbridgesbeforean

7、dafterconstructingonthebridgemainmoundextension。thruughcalculatingandanalyzingthemotiveforceperformanceofunderconstructingperturbation，thisarticleestimatesthesecurityofthetwoexistingbridgesduringworkingandevaluatestheeff

8、ectsbroughtbytheconstructionofextendingJinjiangbridgemainmoundinanallroundway(3)ThisthesisofferssomeconsultingsuggestionsforabasicconstructionmethodandcraftofextendingJiujiangbridgemainmoundinrealtime，andassuresthesecuri