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针对某低路堤地基上覆硬壳层,下卧软弱层的的二元结构地基条件,采用低能量强夯法与轻型井点降水联合地基处理方法进行现场试验.通过对地基中超静孔压随强夯遍数、距夯点的水平距离及埋深等参数的增长与消散规律的研究及加固前后地基土静力触探试验(CPT)的比贯入阻力Ps及标准贯入试验(SPT)击数N检测数据的对比分析,验证了处理方法的适用性,提出大面积地基处理的施工参数,可供类似工程地基处理参考与借鉴.
A low-energy dynamic compaction method combined with light well point dewatering combined ground treatment method was used to test the condition of the binary structure foundation of the overlying soft crust and the underlying weak layer on a low embankment foundation. The number of strong tamping, the horizontal distance from the tamping point and the depth and other parameters of the law of growth and dissipation and before and after reinforcement of soil static penetration test (CPT) than penetration resistance Ps and standard penetration test (SPT) The number of shots N test data comparative analysis to verify the applicability of the method of treatment proposed a large area of foundation treatment of construction parameters for similar engineering treatment reference and reference.