沿海軟土地基橋頭處理方案的研究與應(yīng)用.pdf

1、東南大學(xué)碩士學(xué)位論文沿海軟土地基橋頭處理方案的研究與應(yīng)用姓名：儲駿驊申請學(xué)位級別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：黃曉明周啟兆2002.3.28AbstractWiththedeepeningofthedevelopmentoftheinnovationofourcountryhighgradehighwayswhicharemainlyconsistedoffreewayshaveshowntheirgreatimportanceg

2、raduallyintheconstructionoftheeconomicsandthedevelopmentofthesocietyandtheirgreatsuperiorityhavebeenrevealedinrecentyearsInthelarge—scaletraf!fiCconstructionbecauseofthehighinvestment，striCtstandards，greattechnicaldiffic

3、ultyandlimitedconstructionperiod，theconfLrmationandtheimprovementoftheengineeringqualitybecomeveryimportantInthedomainatseacoast，thesoftsubsoiliSoftenconsistedofnorlIlalcompactedclayandtheclassesofsoiloftenincludesilt，si

4、ltclayeyloamandsiltclayDuetothehighwatercontent，largevoidspace，lowstrength，poorpermeabilityandthestructureofsomedegree，theyareofpoorengineeringpropertySotreatingthesoftsubsoilwithscientificmethodandoptimizingthedesignoft

5、hesubgradetoamelioratetheengineeringpropertyofthesoftsubsoilhavebecomekeyfactorstogaintheSuccessoftheengineeringconstructionInthispaperthesubsidingofthebridgeheadofthelong—spanbridgeafterconstructioniSanalyzedintheorythe

6、methodsonthedealingofsubsoilandsubgradeatbridgeheadispresented，andtheconstructionwayofJetgroutingpileandtheflyashiSoptimizedThescienceandtheadvancementareprovedbythewayofcollectingthe6elddataandcontinuouslyobservingthesu

7、bsidingofthebridgeheadTheresultshowsthatthecombinationofchoosingtheJet—groutingpiletOimprovethefoundation，fillingthebankwithsuchfillingsasflyash，stabilizingthesoilwiththemethodofsurchargeprecompressionandset￡lingreinforc

8、edconcreteapproachslabatbridgeheadisasuperiorwaytoresolvetheproblemsofthebridgeheadinthedomainatseacoast，especiallyinthedomainatseacoastintheeastofJiangSuprovinceKeywords：softsoilatseacoastsubgradebridgeheadtreatmentrese