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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
本文标题:上海中心大厦基坑降水设计及实践(转)
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