特大跨超浅埋隧道施工技术

:10012831X(2002)0320214207X(,400037):,,,,:;;;:U45514:B1111,DK7+658.20DK7+739.5,81.3m,3,,21.88m,17.86m79,2cm/s,112DK+658.2DK7+739.5415m,,,8.6MPa,5.4MPa;14.4MPa,9.9MPa;28.3MPa,0.83;159m3/d2,,;79;,,;,,,,,,,,,3311(1)(1),,,,1520m(2),,223Vol.22No.320029UNDERGROUNDSPACESep.2002X:2001209208:(19652),,,,,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1,,,(3)1520m,(4),(5),(6)3035m,,,;,,,;23m,4.50m31231211(1)20b,102mm4mm,3m,,,,20cm20b,,,,2(2)CLQ280A,,,,3m,,,89mm6mm,213m10mm,40cm,10cm,,50cm,63,,51220023:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2,4MPa:=0.5:1,35,:=1:0.5,15%,50cm31212(2),,42,5mm,3.5m,40cm,,5,110m,,,,215m10mm,15cm2min,DW250/50313(1),,(2)1,60cm,5cm,;30cm1(),60cm,,;,,,,(3),,,,1.1m,(4),,,,,,,,;;,,,;,;,;61222©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,(5)329,;2,3220025400,,25,32(6),,,;;10cm22,,31431411,25,3.50m,1.01.0m,8mm2020cm,,,,,,31412(1),2022mm,110m,1.01.0m(2),YP228,,(3),,,;,,45mm,11.5mm,1m;;250300mm25mm;,,,;,,314136158,20cm,,,,,31414(1)50mI20b,I14I20b,(2),,,,(3)22,0.8m,1/3,,22,,M16,,,31415(1),,,2260cm,(2)108,16mm,,,5cm,60215m(22)(48),,108,,,(3)(3)3.5m(108),31531511;,71220023:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.;,:;;;,,;331512(1)TK2961,0.5MPa,(2)4055cm,,,,20b,,216,,12#,(3),,;,3h;2h,14d,+5,;[phone](1),,,,,:,,,1:5,,,,,,,R30mm,100mm5050mm;,9%(2),,EVA,,EVA,EVA,,EVA8m,,:,,0.10.15MPa,2min,31731711(1),,,,4m,60150cm,(2)602016cm45cm,43kg/m,3.5mC15,31712,I16a,I10L75756,10cm120150cm,6mmL757564.56.0m31713,,,2m,,,10m3,S8,,1030s81222©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.:(1):;80%;0.15mm/d0.1mm/d(2)1030mm,(+10mm,0mm);,(3),:100150mm,160210mm;;(4),11.5h;(5)2.5MPa(6)318,,,,,,,1m1m,(4)4(1),35cmC20,(2)2,,2m(3),60cm,,0.75mm(4),50%,,,(5),,,(6),319,,,;;;,31911(5)591220023:©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(1):DSVm24C1,891224,,,,(2):1020m711(3):510m,13(4):510m,23(5):301(6),,2B12/d;5B1/2d;5B1/(7):23m,,,6,,31912t:ut=10-lt+xt1-xt0,,ut=A+Bt,31913(1),2m,,24,,3R0118mm,(2),:;80%;0.15mm/d0.1mm/d(3),,:;;;(4),,,,,,,,(5)(6),(7),4,,,,25m,:[1]GB502991999,[S].[2]TBG108292,[S].[3]TBJ3285,[S].[4]GBJ10887,[S].[5],[R].02222©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.functionofurbanroads.[Keywords]urbantraffictunnel;streetculture;coordination;HuagaishantraffictunnelAnalysisonCausesforDamageofShallowHydraulicTunnelCHENYun2dong(211)[Abstract]BasedonsurveydesignandconstructionworkofshallowhydraulictunnelinDianjiangCounty,thecharacteristicsofdamageofshallowhydraulictunnelaredescribedandthecausesforthedamageareanalyzed.Thenthecountermeasuresfortreatmentoftheprojectaresuggested.[Keywords]shallowburied,hydraulictunnel;characteristicsofdamage;causes;countermeasuresfortreatmentConstructionTechnologyforExtra2largeSpanandSuperShallowTunnelDINGChang2guo(214)[Abstract]Basedonexperienceintunnelconstruction,theauthorpresentedaseriesofconstructiontechnologyfortheconstructionofextra2largespanandsupershallowtunnelforthestationoflightrailwayinChongqing,includingmethodforexcavation,meansforsupporting,formsofblasting,constructionofwaterproofplates;secondarylining,monitoringmeasurement,safetyforconstructionworkandenviron2mentalprotection.Itcanserveasreferencefordesignandconstructionofundergroundprojects.[Keywords]extralargespan;supershallowtunnel;guidetunnelwithdoublewalls;constructiontechnologyWaterproofDesignandConstructionofSunkenPlazainZhujiangNewDistrict,GuangzhouANGuan2fengetal.(221)[Abstract]AdiscussionhasbeenmadeonwaterproofdesignofsunkentypeplazainZhujiangnewdistrict,Guangzhou.Inordertoguar2anteethewaterproofeffect,somespecialmeasureshavebeentakentoimprovetheabilityofselfwaterproofforthestructure,especiallythecoolingpipelinehasbeeninstalledinthestructureandtheiceblockshavebeenaddedintotheconcretetolowerthecasttemperature.Thefactsprovedthatthemeasuresareeffectiveforpreventingcrackdevelopment.[Keywords]sunkenplaza;waterproof;mixingpile;sealing;coolingpipelineCalculationofGeotechnicalWorkVolumeatCornersofDeepFoundationPitwithLayersofDifferentRockMAWeietal.(225)[Abstract]Thevolumeofearthworkatcornersofpolygonaldeepfoundationpitisapartofearthworkvolumeforitsexcavation.Itisdiffi2culttocalculatethevolumeofearthwork,whenthedepthofexcavationincludesseverallayersofdifferentrockandthereisnoreadymeth2odforsuchcalculation.Basedonanalysisoffactorsconcerningthemainvolumeofdifferentrocks,aformulaforcalculationofearthworkvolumeatcornersundervariousconditionshasbeenderivedbymathematicalanalyticalmethod.[Keywords]volumeofexcavation;sloping;corner;volumeofgeotechnicalworkApplicationofSMWMethodinProtectionofExistingProjectsZHANGLeietal(229)[Abstract]Inthispaper,basedonasuccessfulexampleofretainingstructure,theapplicationoftheSMWmethodispresented.Itisaneconomicalmethodforfoundationpittreatmentandbeneficialtotheenvironmentprotection.Thecharactersandadvantagesofthismethodanditseffectontheretainingstructureinprotectionofexistingprojectsetcaresummarizedanddiscussed.[Keywords]SMWmethod;groundtreatment;re