某特高拱壩灌漿施工關(guān)鍵技術(shù)研究

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中圖分類號(hào)：U455.6 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：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

特高拱壩的建設(shè)是水利工程的重要組成部分，眾多高度超過 3 0 0 m 的拱壩，如 3 0 5 m 的錦屏I級(jí)拱壩和 2 9 4 . 5 m 的小灣拱壩，展示了該地區(qū)在水利工程技術(shù)上的創(chuàng)新與進(jìn)步。（剩余4879字）