复杂地层盾构机下穿群楼关键施工调控技术研究.pdf

隧道/地下工程文章编号：1009—4539(2021)增1—0174—05

复杂地层盾构机下穿群楼关键施工

调控技术研究

潘国灵

(中铁二十四局集团有限公司上海200071)

摘要：复杂地层中地铁盾构法施工下穿大量建筑物时极易引起地表沉降甚至上部建筑物的损毁,对地表沉降的

动态过程开展准确监测并提出合理的施工控制措施成为工程安全的关键。以南京地铁7号线D7-BA03标土建一

工区古平岗站〜福建路站区间盾构施工为背景，基于多源信息自动化监测技术对复杂地层中盾构机下穿建筑物群

引起的地表沉降规律进行了系统分析，在此基础上提出科学合理的施工控制措施。研究结果可为类似地铁盾构施

工提供参考依据与技术支撑。

关键词：复杂地层盾构施工小曲线掘进地表沉降控制措施

中图分类号：U455.43文献标识码：ADOI10.3969/j.issn.1009-4539.2021.S1.042

ResearchonKeyConstructionControlTechnologyofShieldTrnnelingMachine

PassingThroughGroupBuildingsinComplexStratum

PANGuoeing

(ChinaRailway24mBureauGroupCo.Ltd.,Shanghai200071$China)

Abstracr:Incomplexstratum,subwayshieldconstructionunderpassesalaraenumberofbuildings,itiseasytocause

suetaceseteementandeeenthedamageotuppeebuiedings.Accueatemonitoeingotthedynamicpeocesotsuetace

settlementandproposingreasonableconstructioncontrolmeasureshavebecomethekeytoengineeringsafety.Inthispaper,

withtheshieldconstructionoftheGupinggangSation-FujianRoadSaConinthefirstcivilconstructionzoneofNanjingMetre

Line7D7-TA03asthebackground,theWwofsurfacesettlementcausedbytheshieldmachineunderthebuildinggroupin

thecomplexstratumisanalyzedsystematicaCybasedontheautomaComonitoringtechnologyofmulti-sourcoinformation,

andscintiticandeasonabeconsteuctionconteoemDasuesaeputtoewaedonthisbasis.ThDesaechesuetscanpeoeidD

referencebasisandWchnicaisupportforsimilarsubwayshieldconstruction.

KeywoUs:complicatedstratum；shieldconstruction；smallcurvetunneling；surfacesettlement；conWolmeasures