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通过某核电项目中高承载力高压旋喷桩复合地基的试验研究及应用情况,说明对于软弱地基(本项目地基承载力特征值60kPa)处理后地基承载力要求较高(复合地基承载力特征值要求为400-550kPa)的工程,高压旋喷桩是一种有效的地基处理方法,同时对试验及应用过程中的一些问题进行了分析,以期对其它拟采用高承载力复合地基的工程有借鉴作用。
Through the experimental research and application of high-capacity high-pressure rotary jet grouting pile composite foundation in a certain nuclear power project, it is shown that the soft foundation (the bearing capacity of the project is 60 kPa) has a higher requirement for the bearing capacity of the foundation (characteristics of the bearing capacity of the composite foundation). For the 400-550kPa) project, the high pressure jet grouting pile is an effective foundation treatment method. At the same time, some problems in the test and application process are analyzed, so as to draw lessons from other projects that intend to adopt high bearing capacity composite foundations. .