High-span section strong karst filler treatment construction method and curtain anti-seepage method: Fid-Bau Portal

High-span section strong karst filler treatment construction method and curtain anti-seepage method

LYU LIJUN / PAN LONGLONG / ZHANG KEYANG

The invention discloses a high-span section strong karst filler treatment construction method and a curtain anti-seepage method, and belongs to the technical field of anti-seepage construction. According to the high-span section strong karst filler treatment construction method and the curtain anti-seepage method, a high-pressure jet grouting and steel pipe pile composite technology is adopted, a strong karst filler can be effectively reinforced, the risk of follow-up curtain anti-seepage construction is reduced, the problem that the operation space of large foundation treatment construction equipment is limited can be solved, and the treatment difficulty of the strong karst filler is reduced.

本发明公开了一种高跨度断面强岩溶充填物处理施工方法及帷幕防渗方法，属于防渗施工技术领域。本发明通过采用高压旋喷和钢管桩复合工艺，不但能对强岩溶充填物进行有效的加固，降低后续帷幕防渗施工的风险，还能解决大型地基处理施工设备作业空间受限的问题，降低对强岩溶充填物的处理难度。

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