大开口刀盘盾构机的施工优劣与问题分析.pdfVIP

工程施工技术

ConslruclionTechnology

大开口刀盘盾构机的施工优劣与问题分析

AnalysisofConstructionAdvantagesandDisadvantagesandProblemsof

LargeOpenPlateShieldMachine

李腾

(中交天和机械设备制造有限公司南京分公司，南京211800

LITeng

(ZhongjiaoTianheMechanicalEquipmentManufacturingCo.Ltd.NanjingBranch,Nanjing211800,China

【摘要】成都地壳受群山褶皱带影响形成断陷盆地，地质条件既有独特褶皱带的卵石密度高、粒径大的特点，还有丰富的地下水

含量的盆地特点，历来是地铁施工的重难点区域。在该地层的盾构施工过程中，卡刀盘、卡螺旋机、地面沉降、滞后塌陷等情况频发，

严重影响了施工质量。论文根据成都地铁17号线一期工程的地质条件，结合大开口刀盘盾构机的施工情况，应用交差对比示例，详

细分析了大开口刀盘盾构在实际应用中的优劣状况，以及常见问题的解决方法。

Abstract【】Chengducrustformsabrokenbasinaffectedbythemountainfoldingbelt.Geologyhasthecharacteristicsofhighpebbledensity,

largegrainsizeandbasincharacteristicsofstronggroundwatercontent,whichhasalwaysbeenanimportantanddifficultareaofsubway

construction.Intheshieldconstructionofthisformation,thebayonetplate,stuckhelixmachine,groundsubsidence,lagcollapseandother

conditionsoccurfrequently,whichseriouslyaffectstheconstructionquality.AccordingtothegeologicalsituationofChengduMetroLine17,

combinedwiththeconstructionsituationoflarge-openingcutterheadshieldmachine,thepaperanalyzestheadvantagesanddisadvantagesof

large-openingcutterheadshieldmachineinpracticalapplicationindetail,andthesolutionstocommonproblems.

【关键词】大开口刀盘盾构机;施工质量；问题分析

[Keywords]largeopenknifeplateshieldmachine;constructionquality;problemanalysis

【中图分类号】U455.3【文献