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提供了一种通过RJP工法封底加固替代抽降承压水的新思路及工艺方法。该方法通过RJP满堂加固与工程桩紧密咬合形成整体以解决承压水抗突涌稳定问题,可以减少止水帷幕的插入深度,并避免抽降承压水对环境设施的扰动。该方法在邻近地铁设施的深基坑工程中取得了良好的实践效果。
It provides a new idea and process method for replacing confined pumping water by back sealing of RJP method. The method integrates RJP full works with engineering piles to form a whole to solve the inburst surge of confined water, which can reduce the insertion depth of the water stopping curtain and avoid disturbing the environmental facilities by the pumping confined water. The method has achieved good practical results in the deep foundation pit project near the subway facilities.