Combined with practical work and based upon analysis of advanced water prospecting advanced pre-grouting reinforcement scheme is proposed;at the same time practical construction technology is elaborated from construction of sealing batholite,reinforcement range of curtain grouting,embedment of pipe,grouting construction process and other aspects.
結(jié)合工程概況,通過對超前探水情況的分析,提出采用超前預(yù)注漿的加固方案,并從止?jié){墻或止?jié){巖盤的施作、帷幕注漿的加固范圍、孔口管的埋設(shè)、注漿施工過程等方面闡述了其施工技術(shù),最后對注漿效果進(jìn)行了檢查評定,為今后類似工程的施工提供參考依據(jù)。
Combined with the projects generate situation,it introduces the action of sealing batholite in curtain grouting,analyses the decided of the construction planning of sealing batholite,represents the injecting technology and construction techniques of sealing batholite.
結(jié)合工程概況,介紹了止?jié){巖盤在帷幕注漿中的作用,對止?jié){巖盤施工方案的確定進(jìn)行了分析,并對注漿工藝及止?jié){光盤的施工技術(shù)進(jìn)行了詳細(xì)闡述,實踐表明,各涌水段的注漿效果良好,該施工技術(shù)值得推廣應(yīng)用。
Combined with Laohugou tunnel project and according to the different underground water yielding,it builds the different sealing batholite,finishes the water stopping by using purdah injecting,and stops the leakage of the underground water,and this supplies theoretical reference and practical experiences to further extend the technique.
結(jié)合老虎溝隧道工程,根據(jù)不同的地下出水情況,成功地建造了不同的止?jié){巖盤,運用帷幕注漿完成了隧道的堵水工作,制止了地下水的流失,為進(jìn)一步推廣這一技術(shù)提供了理論參考和實踐經(jīng)驗。
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