某特高拱坝灌浆施工关键技术研究

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中图分类号：U455.6 文献标志码：A 文章编号：2095-2945（2025）13-0165-04

Abstract：Takinganultra-higharchdamofahydropowerstationasanexample，thisstudydiscusestheapplicationof damfoundationconsolidationgroutingtechnologyinimprovingdamfoundationstabilityandsafety.Basedontheanalysisof the generalsituationoftheultra-higharchdamproject，thedambodyexcavationandtheoptimizationtreatmentmeasuresof the damfoundationareanalyzed，andthetechnicalanalysisofthefoundationreinforcementmeasuresiscariedout.Duringthe study，about8Oinclinedholeswithadepthof8meterswereconsolidatedgroutingwasimplemented.Ordinaryportlandcement wasused，thewater-cementratiowassetatO.5，andtheoperationwascarriedoutunderstrictlycontrolledpressure.Through soundwavevelocityqualitytesting，theresultsshowthatgroutingsignificantlyimprovesthephysicalcharacteristicsofthedam foundationrockmass，rflectingitsefectivenessinimprovingthestabilityandbearingcapacityoftherockmass.Tisrsearch notonlyimprovestheoverallperformanceofthedamfoundation，butalsoprovidesimportantexperienceforfuturesimilarwater conservancy projects.

Keywords： ultra-high arch dam; foundation; grouting;construction; technology

特高拱坝的建设是水利工程的重要组成部分，众多高度超过 3 0 0 m 的拱坝，如 3 0 5 m 的锦屏I级拱坝和 2 9 4 . 5 m 的小湾拱坝，展示了该地区在水利工程技术上的创新与进步。（剩余4879字）