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25320116ResourcesEnvironment＆EngineeringVol．25No．3June20112010－11－262011－05－2509dz120790010dz1202300。1964－、、。E－mailqcs724@126.com1233331．1008752．1008753．200002、、31m28m140d。。TU753A1671－1211201103－0209－060、“”。、、、30368m2520000m2380000m2。1122565．60m、632．00m1535m526．30～31．10m。“”、。1。1100m9—2。Qh①～⑤20～30m40～60m。Qp3⑥～⑨100m⑩⑩Qp2。100m、、1。《》2。31．10m26．30m28m⑦2⑦1。、117m。48m50m。。22．120～22m。、“”。2．228．00m117．00m。。。1100mTable1Sequenceofsoilhorizonin100mdepthQh3Qh2Qh1Qp32Qp31、、、、①②③④⑤⑥⑦⑧⑨①1①2②1、②2②0②3③④⑤1⑤2⑤3⑤4⑥⑦1⑦2⑧1⑧2⑨1⑨2、——、、——、、、、2Table2SimpletableofShanghaicenterstrata/m/mr0/kN·m－3/%Kv/cm·s－1Kh/cm·s－1①1①2②③④⑤⑥⑦1⑦2⑦3⑨1⑨2⑨3⑩0．70～2．003．20～1．700．80～2．202．30～0．600．60～2．201．37～0．0518．536．11．30E－077．37E－073．10～5．20－1．96～－4．0918．139．71．75E－051．10E－049．50～11．20－12．69～－13．9917．348．61．32E－076．24E－075．70～9．40－19．05～－23．0718．832．72．50E－072．34E－062．30～5．40－23．88～－25．372023．22．80E－067．70E－0510．50～14．70－34．95～－38．8219．1303．90E－045．36E－0415．50～26．00－52．53～－61．8019．726．26．21E－041．10E－034．50～14．00－65．19～－67．2719．330．14．40～7．00－70．56～－73．8019．527．711．80～17．1085．13～－88．7720．919．151．60～56．30－138．83～－145．072024．618．7－163．7719．826．331．10m＞27．00m1．00m＜27．00m0122011F=γS28．0－hsγw28．0－D≥1．1F1．1hsmDmγskN/m3γwkN/m3hsD3。3Table3Operationalscheduleofdewateningwellintowerbuilding/m/m2//9．55//15．6//171020．615．85425．323．581229．830．812831．132．1122125．126．6262．32．3．1I。、3。、。500m1000m×1000m。2．3．24E=SSy{Ss=SMT=KMKB{SSyMmBm。Kxx、Kyy、Kzzm/dhxyztmW1/dh0mh1mSs1/mtdΩΓ1。、61、49720923。1。1Fig．1Three－dimensionalsubdivisionchart10．00m25．30m1255．0m1224．0m2。2Fig．2Dewateringcontourintowerbuilding31．10m。2665m55m21123331．0m3。6m1123261226．60m124。3Fig．3Dewateringcontourinandoutoftowerbuilding4Fig．4Dewateringcontouroutoftowerbuilding。2045．0m14926．0m。、5。5Fig．5Dewateringcontourinpodiumbuilding31045．00m。281221744。676、7。6Fig．6Planargraphofdewateringwell7Fig．7Profileofdewateringwell44.111500m2401023460m265。。20d1．0m。。2122011。4.25。2250kW10min。15m。、、。55．119256。Hni。。Schiffman19708。8Fig．8Terzaghisolvingsubsidencecharti=12……n－1。。5.2、。9Fig．9Subsidencecontourcausedbydewatering140d312310Fig．10Dewateringinformationmapatthetowerbuilding912～24mm。6102009111～201048160d1280～16560m31125579m3。20091122～20103243～1255m236308m3201017～2010448～2355m65m889271m3。8．55～30．79m8．28～22．07m33～40mm。。71232815。7．1122131．0m。80%122625．0m。1210d16．0m。7．23。12121000mm6mm。3。1．2m×1．2m×1．0m。2～3m1m。2m。100～200mm。。7．3Po42．50．50．5MPa＞220L/m。0．512～3m。2～4h。1．J．1998343－45．2．J．2005272140－147．3．J．200628111947－1951．4．S．.2009．5．S．.2009．6TerzaghiK．PeckR．B．andMesriG．．TheoreticalsoilmechanicsS．JohnWiley＆SonsInc1943．2314122011。。1．—J.20022191344－1349.2．J.200526543－45.3．J.2002450－54.4．J.2003233213－218.ForecastofWaterInflowofBayueshanTunnelintheSecondCheng－YuHighwayYAODehuaChinaRailwayFifthSurveyandDesignInstituteGroupCo.Ltd.Beijing102600AbstractBayueshantunnelistheimportantcontrollingprojectofthesecondCheng－YuhighwayinChongqing．AccordingtohydrogeologyinvestigationresultofBayueshantunnelthehydrogeologicalconditionisanalyzedandevaluated．Methodofinfiltrationcoefficientofprecipitationmodulusmethodofgroundwaterrunoffgrossspringflowmethodundergroundhydrodynamicsmethodandetc．ofhydrogeologyareadoptedtocalculateandforecasttherateofwaterinflow．Onthebasisofthisresulttheevaluationoftunnelwaterinflowismade．KeywordsthesecondCheng－YuhighwayBayueshantunnelhydrogeologywaterinflow214DewateringDesignandPracticeatShanghaiCenterBuildingQUChengsong123ZHANGGuoqiang3LUOJianjun3MIAOGuojian31．CollegeofWaterSciencesBeijingNormalUniversityBeijing1008752．EngineeringResearchCenterforGroundwaterPollutionControlandRemediationMinistryofEducationofChinaBeijing1008753．ShanghaiChangkaiGeotechnicalCo．Ltd.Shanghai200002AbstractShanghaicenterbuildingislocatedatShanghaiLujiazuifinanceandtradezonewherethefirstsecondandthirdundergroundconfinedaquifersareconnecteddirectly．Itspitdepthis31metersandthesurroundingenvironmentiscomplex．Thetoplayersofaquifersis28metersdeepdewateringtimeisupto140days．Duetooptimizeddesignandcarefulconstructionthedewateringachievetheobjectiveofreducingtheexcavationofthedangerandprotectthesurroundingenvironment．Keywordsdewateringforthefoundationpitsconfinedaquifersubsidence1323