大断面浅埋暗挖隧道双侧壁导坑法临时支撑拆除施工技术.pdf

ValueEngineering··

大断面浅埋暗挖隧道双侧壁导坑法临时支撑拆除

施工技术

ConstructionTechnologyforTemporarySupportDemolitionofDoubleSideWallGuidePitMethodinLarge

SectionShallowBuriedandUnderexcavatedTunnel

郑军峰ZHENGJun-feng

（北京中铁诚业工程建设监理有限公司，北京100070）

（BeijingZhongtieChengyeEngineeringConstructionSupervisionCo.，Ltd.，Beijing100070，China）

摘要随着城市地下工程的不断发展进步，各种用途的隧道不断修建，隧道施工技术水平也不断提高与发展。这也使城市地铁的

建设更加复杂，相较于传统以明挖法为主的施工方式，目前地铁隧道施工普遍会将明挖、盖挖、浅埋暗挖等多种方式结合进行施工，极

大地推动了城市地下轨道交通工程的快速发展。实践证明，选择一种合理的施工方法是城市地下轨道交通工程成败的关键。西安市地

铁14号线机场站站后配线浅埋暗挖隧道采用“双侧壁导坑法”进行施工，本文简要介绍了双侧壁导坑法临时支撑拆除的施工工艺，并

以首段18m的监测数据作为依据，结经验，指导施工。

Abstract:Withthecontinuousdevelopmentandprogressofurbanundergroundengineering,tunnelsforvariouspurposesareconstantly

beingbuilt,andtheleveloftunnelconstructiontechnologyisalsoconstantlyimprovinganddeveloping.Thisalsomakestheconstructionof

urbansubwaysmorecomplex.Comparedwiththetraditionalconstructionmethodmainlyusingopencutmethod,thecurrentsubwaytunnel

constructiongenerallycombinesvariousmethodssuchasopencut,covercut,shallowburiedandundergroundexcavation,greatlypromoting

therapiddevelopmentofurbanundergroundrailtransitengineering.Practicehasproventhatchoosingareasonableconstructionmethodis

thekeytothesuccessorfailureofurbanundergroundrailtransitprojects.Theshallowburiedandundergroundtunnelbehindtheairport

stationofXianMetroLine14isconstructedusingthedoublesidewallguidemethod.Thisarticlebrieflyintroducestheconstruction

technologyoftemporarysupportremovalusingthedoublesidewallguidemethod,andsummarizestheexperienceandguidesthe

const