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介绍在厚砂层水动压力下,挖掘成孔接浇一根桩芯混凝土,选择高压旋喷注浆法的施工技术固结基坑四周细砂土,形成挡土防渗截水帷幕,改善了坑内作业的施工环境。
This paper introduces the construction technology of high pressure rotary jet grouting to consolidate the fine sand around the foundation pit under the hydrodynamic pressure of the thick sand layer to excavate a hole to receive a pile of core concrete and form the impervious seepage cutoff curtain to improve The pit construction operation environment.