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介绍了西气东输二线管道工程东段隧道的地形地层特点,并针对该段地质特点确定搅拌桩施工的步骤及工艺措施,施工效果良好,为今后类似地质的洞顶围岩加固施工和地下结构工程浅埋暗挖超强支护结构等提供参考。
The characteristics of the topography and strata of the tunnel in the eastern section of the Second West-East Gas Pipeline Project are introduced. According to the geological characteristics of the section, the steps and technical measures for the construction of the mixing pile are determined. The construction effect is good. In the future, Structural engineering shallow buried deep excavation support structure provide a reference.