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针对吹填淤泥质土渗透性差和含水量较高带来的处理时间长,难度大等突出特点,设计室内模型试验,采用真空井点降水并结合低能强夯对吹填土进行处理,在试验过程中对土体真空度、孔隙水压力等进行了测量记录分析,总结吹填淤泥质土中真空度和排水量在试验过程中变化规律。通过数值计算软件模拟室内模型试验,进一步分析本次试验过程,得出真空井点降水结合低能强夯方法对吹填淤泥土有较好的加固作用。
In view of the prominent characteristics such as long treatment time and difficulty due to the poor permeability and high water content of the purplish muddy soil, the indoor model test is designed. The vacuum well point precipitation combined with low-energy dynamic compaction is used to treat the dredged soil. During the process, the soil vacuum degree and pore water pressure were recorded and analyzed. The variation of vacuum degree and displacement in the muddy soil during the experiment were summarized. Through numerical simulation software simulation indoor model test, further analysis of the test process, draw vacuum well point combined with low-energy dynamic compaction method for better performance of blowing muddy silt.