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《臨河深大基坑抗隆起穩(wěn)定性與其對樁基影響的分析-(5430)》由會員上傳分享，免費在線閱讀，更多相關內(nèi)容在行業(yè)資料-天天文庫。
1、萬方數(shù)據(jù)MasterDissertationof$uzhouUniversityofScienceandTechnologyAbstractAbs仃actWiththeaccelerationofChina’Surbanizationprocess，alargenumberofundergroundstructuresarebuiltinthecoastalareas，suchasthesubway,undergroundgarage，multilayerbasementofhigh-risebuildin
2、g，undergroundshoppingmalls，undergroundhospital，undergroundcivildefencefortifications，resultinginalargenumberofdeepfoundationpitengineering．Thesepitsaregenerallylocatedinthevicinityofthebuildingorinthevicinityofthesubway．Thefoundationpitischaracterizedby”de
3、ep，large，tightandnear”．Thedesignandconstructionofthefoundationismoredifficult，andthecontrolofthesurroundingenvironmentwillbemorestringent．Inthispaper,basedonthedemonstrationprojectofthreesurfacewaterofYancheng，theprojectof”XianfengIsland”isademonstrationpr
4、oject，consideringthecomplexhydrogeologicalconditionsinKanawha，theupliftstabilityandtheanalysisofthebearingcapacityofthepileintheprocessoffoundationpitexcavation．Thestabilityanalysisoffoundationpitshowsthattherangeofthedepthofthefoundationpitislarge，andthea
5、mountofthereboundcanbeoffsetbythelaterpartofthesettlement，butitisnotconducivetothestabilityofthefoun．dationpit．Intheconstructionprocessofthefoundationpit，itshouldbeusedasmuchaspossibletouseasmallrange，multileveloffoundationpitprecipitation．Underseepagecond
6、ition,deepfoundationpitexcavationstabilizinginfluenceonbottom，mainlyafoundationpitheavebycontinuouswalltothecenterofthepitgraduallyincreasingtrend,andoutsidethefoundationpitwaterlevelistoohigh，causedbytheinsideandoutsidethefoundationpithydraulicdifferencew
7、iththeexcavationdepthincreaseswiththeincreasing，SOlevelintheprocessofexcavationpitwaterlevel，butalsothestabilityoffoundationpitproducedgreatinfluence．Inthefiniteelementsimulationofthepilegroup，theproblemofcalculatingthedifficultyinthenumericalsimulationofl
8、argescalecontactproblemisovercome．TheresearchonthefoundationpitengineeringofYancheng’SXianfengIslandshowsthatthepilefoundationcanimprovethebearingcapacityoffoundationpit，butalsocanincreasethedisplacementofthe
