上海浦东机场一跑道地基沉降规律

JournalofEngineeringGeology1004－9665/2012/201-0131-07*①①②①①①①100101②201202。11a。。、。、。2～3a。。2009454cm33cm、5cm、16cm。TU47A*[e-mail]ESOFFIRSTRUNWAYOFPUDONGAIR-PORTINSHANGHAIWANGGuangde①HANLiming①CHAIZhenlin②WEIYifeng①CAOJie①ZHOUZhengfei①①TheEngineeringResearchBaseofChinaAirportConstructionCorporationofCAACBeijing100101②ShanghaiAirportConstructionCorporationShanghai201202AbstractAtpresentthecalculationtheoriesforsoftsoilsubgradearenotstillperfect．ThesubgradeofthefirstrunwayinPUDONGAIRPORTisbuiltonatypicalsoftsoilareainShanghai．Itspavementsettlementhasbeenmeasuredfor11years．Thispaperanalyzesthemeasuredpavementsettlementdataandfindstherulesofrunwaysubgradesettlement．Thefoundationsettlementmodelisalsoputup．Thesubgradesettlementofthefirstrunwayismainlyinducedbystaticloading．Meanwhilethemovingaircraftloadingandgroundwaterwithdrawcannotbeignoredalso．Thecalculationmethodandtherulesofsettlementinducedbymovingaircraftloadingareputforward．Themostofthesubgradesettlementinducedbymovingaircraftloadingisproducedinthetwoorthreeyearsaftertherunwaywascommissioned．Comparedwiththemovingaircraftloadingthegroundwaterwithdrawcanproducemoresubgradesettlement．Indifferenttimethesubgradesettlementconstitutesdifferently．BytheAprilof2009thesubgradesettlementofthefirstrunwaywasabout54cm．About33cmofthesettlementwasinducedbystaticloading5cmwasinducedbythemovingaircraftloadingand16cmwasinducedbygroundwaterwithdraw．KeywordsRunwaySubgradeSoftsoilSettlementStaticloadingSMovingaircraftloadingGroundwaterwith-draw119982、199910。2009411a。。。———2009479cm、54cml0cm、。。“”、。。。1921～20011.93m1。1965。200520058.4mm20086.4mm、20095.2mm2。1。。。、。10。、。、3～5。6。、、。24000m、60m1.5m。3.5～4.0m、0.5～1.0m、2.5～3.5m。②2、③1、④1Fig．1GeologicalsectionofthefirstrunwayofPudongAirport1。25m940～1420m231JournalofEngineeringGeology20121480m。“+2000kN·m”19969199710。46cm318cm100cm。19982。2、。2Fig．2SubgradeloadcurvesofthefirstrunwayofPudongAirport3Fig．3Loadclassinthesectiondirectionofthefirstrunway3、。3、、。“”“”“”。3、“”E7m、F8m。、、“”“”。5m113。10m10m、30m30m。3.119982～20028P20050m120028200m。。43119982～20008、20008～3312014Fig．4．Settlement～timecurveinthecenterlineofthefirstrunwa5200m20094Fig．5SettlementinthecenterlineofthefirstrunwayuntilAprilof20096P265Fig．6SettlementintheP265sectionofthefirstrunway431JournalofEngineeringGeology201220071120008～20038、20038～200711200711～20094。5P23020094788mm490～626mm。62009450～150mm。7P265Fig．7SettlementclassinthemovingaircraftloadingareasofP265sectionofthefirstrunway3.219982。19991020019。、。。EE9～＜14m10m30m。=－－。。78。19982～2000。199910199910～200010199910、20002～3a2002200945%～14%。2001、2009431%～45%、50%～60%。、20008～200711、200711～20094。3.3。200949。。。200945312018P265Fig．8Settlement～timecurvesinthemovingaircraftloadingareasofP265sectionofthefirstrunwa17%。920094Fig．9SubgradesettlementmodelofthefirstrunwayofPudongAirportuntilAprilof20094、、7400m、20m。、19964～199819972。———、。———200～400m1m7。5、。。。。、、。、。、。、、。、、。。、。2631JournalofEngineeringGeology2012。。。2～3a10a5cm。。、6。。10a40cm、。1．J．200929z190～94．ChenZhengsongLuoZhicaiLiQiongetal．AnalysisofcauseoflandsubsidenceinShanghai．JournalofGeodesyandGeodynamics200929z190～94．2．J．20103147～11．WangHanmei．StudyonriskevaluationandcontrolschemesoflandsubsidenceinShanghaicity．ShanghaiGeology20103147～11．3．D．2008．YangFei．TheAnalyzingofRunwaySubgradeSettlementandtheValueaboutSoilImprovementEffect．ShanghaiSchoolofTrans-portationEngineeringofTongjiUniversity2008．4、．R．．2007．ShanghaiAirportConstructionCorporationTongjiUniversity．Re-searchAboutSoilImprovementinShanghaiPudongAirport．Shanghai2007．5．J．2007371338～1341．YangFeiYangYuliang．TheeffectanalysisoftrafficloadsonpostcontructionsettlementofSubgrade．ChineseJournalofUndergroundSpaceandEngineering2007371338～1341．6．R2010．TheEngineeringResearchBaseofChinaAirportConstructionCor-porationofCAAC．ResearchonSoftSoilRunwayFoundationIm-provementMethodandCriterionforRunwaySubgradeSettlementControlinShanghaiAirport2010．7．———M．1999.4～5．WuXiangmin．RunwaySubgradeofShanghaiPudongAirport．ShanghaiShanghaiScientificandTechnicalPublishers1999.4～5．8．M．200813～34．WuNianzu．TheThirdRunwayEngineeringofShanghaiPudongInternationalAirport．ShanghaiShanghaiScientificandTechnicalPublishers200813～34．9．M．1994323～328．ZhangZhuoyuanWangShitianWangLansheng．PrinciplesofEn-gineeringGeology．BeijingGeologicalPublishingHousr1994323～328．10．J．2007152233～236．CuiZhendongTangYiqunLuChenetal．PredictionofgroundsettlementinducedduetochangesinengineeringenvironmentinShanghai．JournalofEngineeringGeology2007152233～236．11．J．2002104378～384．GongShiliang．ThemicroscopiccharacteristicsofShanghaisoftclayanditseffectonsoilmassdeformationandlandsubsidence．JournalofEngineeringGeology2002104378～384．12．GM11J．2006143398～400．WangHanmeiTangYiqunYanXuexinetal．Anunequaltime-intervalGM11modelforpredictinggroundsettlementinShanghaisoftsoilengineering．JournalofEngineeringGeology2006143398～400．731201