laccolite

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.

结合工程概况,通过对超前探水情况的分析,提出采用超前预注浆的加固方案,并从止浆墙或止浆岩盘的施作、帷幕注浆的加固范围、孔口管的埋设、注浆施工过程等方面阐述了其施工技术,最后对注浆效果进行了检查评定,为今后类似工程的施工提供参考依据。

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.

结合工程概况,介绍了止浆岩盘在帷幕注浆中的作用,对止浆岩盘施工方案的确定进行了分析,并对注浆工艺及止浆光盘的施工技术进行了详细阐述,实践表明,各涌水段的注浆效果良好,该施工技术值得推广应用。

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.

结合老虎沟隧道工程,根据不同的地下出水情况,成功地建造了不同的止浆岩盘,运用帷幕注浆完成了隧道的堵水工作,制止了地下水的流失,为进一步推广这一技术提供了理论参考和实践经验。