水利隧洞TBM施工中不良地质段超前支护关键技术

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中图分类号：U455.49 文献标志码：A 文章编号：2095-2945（2025）31-0170-04

Abstract：Withtherapiddevelopmentof waterconservancyengineringconstructionin China，theconstructionof longdistancewaterconservancytunnelshasbecomemoreandmorecommon.Among them，TBMconstructiontechnologyiswidely usedduetoitsadvantagessuchaseficiencyandsafety.However，duringTBMconstruction，howtocarryoutefectiveadvance supportbecomesatechnicalproblemthatneedstobesolvedurgentlywhenencounteringunfavorablegeologicalsections.Based onthis，thispaperanalyzesthekeytechnologiesforadvancedsupportofunfavorablegeologicalsectionsinTBMconstructionof waterconservancytunnels.First，thetypesanddistributioncharacteristicsofunfavorablegeologicalsectionsinTBMcostruction ofwaterconservancytunelsareintroduced，andthenthekeytechnologiesforadvancedsupportofunfavorablegeological sectionsin TBMconstructionofwaterconservancytunnelsarediscused.Finall，specificengineringexamplesareselectedto conductanin-depthanalysisoftheapplicationandapplicationefectsofthekeytechnologiesforadvancedsupportof unfavorablegeological sectionsinTBMconstructionofwaterconservancytunnels.ThepurposeistoimprovetheTBM constructionlevelofwaterconservancytunnels，ensuretheorderlydevelopmentofwaterconservancyprojects，andprovide corresponding reference for front-line engineers.

Keywords：waterconservancy tunnel;TBMconstruction;unfavorablegeology;advancesupport;technology；application

全断面隧道掘进机（TBM）作为一种先进的隧道开挖设备，在水利隧洞施工中得到了广泛应用，但是在不良地质段进行TBM施工时，常常会遇到一系列技术难题，如地层稳定性差、岩体破碎、涌水和突泥等，这些问题的存在严重影响了TBM施工的效率和安全。（剩余4633字）