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本文对振冲碎石桩加固饱和粉土地基进行了较为全面的试验研究。对振冲加固的各个过程的振动孔压进行测试分析,包括成孔阶段、成孔后的动孔压消散、复振效应、上下留振阶段、成桩阶段以及加固前后的动孔压对比等。得到一些结论性意见可供设计施工参考。
In this paper, a comprehensive experimental study was conducted on the reinforcement of saturated powder foundations by vibro-replaced stone columns. Test and analysis of vibration pore pressure in various processes of vibroflotation, including pore formation stage, dynamic pore pressure dissipation after pore formation, rejuvenation effect, up and down vibration stage, pile formation stage, and dynamic pore pressure comparison before and after reinforcement . Get some concluding comments for design and construction reference.