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中国公路学报 2012

共振法加固公路可液化地基试验

, PP. 24-29

刘松玉,程远

Keywords: 道路工程,可液化地基,共振法,十字形振动翼,超静孔隙水压力,地表振动

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Abstract:

？针对目前中国在可液化地基处理中存在的问题,研究开发了一种新的液化地基处理方法——十字形振动翼共振法;结合工程实例,现场测试分析了十字形振动翼共振法施工产生的超静孔压分布规律和发生过程、施工时地表振动影响范围;分别采用孔压静力触探试验、剪切波速试验和标准贯入试验对加固前后的地基抗液化性能进行了评价。结果表明:十字形振动翼共振法可有效加固可液化地基,消除液化,且施工方便、速度快、造价低、加固深度大、对环境振动影响小,具有良好的推广应用前景。

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