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冉茂伦1,关辉辉2,朱建群2(1.,550001;2.,411201):,,,,1#,,,,,,:,,,:TU441:B:1004-3152(2011)01-004-031,[1],,,,,,,[2],,,1#,,,,1#,,,21#,1.8km,180.58m,189.66m,,,,281.50m,,,,~,,,,,,,,3,,,[3]1ZK122+390,,,:2010-09-20:(2010-122-032):,,1981,,,,,12m~20m1ZK122+3904,ZK122+404,,0.02m~0.1m,:,,12040;,,1053,,25366,,0.1m~2m,,,,22,,,,,,,,[4]55.11#K122+400,,,,IV,K122+404,,,,18,(1),,,,(2),,~,11,30Be~35Be(3),JI400,:3m,5m,6m,42mm,0.5MPa~1.0MPa,2.0MPa5.2,:(1),5cmC20;,,50cmC20(2),,,15;,,40cm20cm,240cm80cm,,(3),,50cm50(50cm),,(4),,,51:(5),20b,,8(2020),40cm,(80cm)(6),C25,,0.5m~1.0m6,,,[5],(1)5m,1h,K122+390~K122+400,5d~8d,,15,7mm,343ZK122+3954ZK122+400(2),,,K122+390~K122+420,,,5m45355ZK122+3907(1)1#,,,,,,,,,(2),,,,,,(3),,,,,,(4),,,,,(下转第13页)62011(2)6.0m,,15.0m,,0.2MPa,20m(3),StrengthPropertyAnalysisofT-shapedBidirectionalSoi-lcementDeepMixingPileHELihong,PENGDingxin,QINYaqiong,FANWei(WuhanMunicipalEngineeringDesign&ResearchInstituteCo.Ltd.,Wuhan430015,China)AbstractTheapplication,meritsanddemeritsofdeepfoundationtreatmentinWuhanSixinregionwasintroduced,thentheapplicationofT-shapedBidirectionalSoi-lcementDeepMixingPileinthisregionwasalsointroduced.ItsstrengthwasanalyzedbySPTandunconfinedcompressionstrengthtest,meanwhiletheequationbetweenSPT'sblowcountsandpile'sunconfinedcompressionstrength,depthofpile'ssegment.KeywordsT-shapedbidirectionalsoi-lcementdeepmixingpile,strength,property,analysis(上接第6页)[1].[M].:,2003[2].[M].:,2001[3],,.[J].,2004,33(22)[4],.[J].,2004,24(2)[5].[J].,2006,2ConstructionMethodofFaultandCrushZoneinHorizontalRockStrataRANMaolun1,GUANHuihui2,ZHUJianqun2(1.GuizhouBridgeEngineeringCompany,Guiyang550001;2.HunanUniversityofScienceandTechnology,XiangtanHunan411201,China)AbstractThefaultandcrushzonewasoneofthegeologicalstructureswhichblockedupthetunnelconstruction.Especially,whentherockstratawashorizontal,thecollapsewouldbehappenedduringtunnelexcavation,whichmadeitdifficult.TheprobabilityandextentofcollapseofWuBang1#tunnelwasanalyzedbymeansofthegeologicalforecastinadvance.Thenthetechniqueoftheadvancedsmallpipeandthegroutingofthemixtureofcementandsodiumsilicateareadoptedtoreinforcethesurroundingrock.Meanwhilethedeformationofsurroundingrockwasmonitoredandrelateddatawasfeedbacktoguidelinetheconstruction,whichmadetheconstructioninformational.Itprovedthatthedeformationofsurroundingrockwascontrolledandtheconstructionoffaultzonewassecuritized.Keywordshorizontalrockstrata,crushzone,construction,monitoring131: