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自升式平台插桩物理模型实验及分析 被引量:3

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摘要 研究自升式平台插桩过程的土体运动滑移以及土体变形规律,对合理评价自升式平台桩腿及桩靴的稳定性有重要的意义。以自升式平台插拔桩为工程背景,基于自主研发的"流固土多项耦合六自由度单双向静动态加载仪",对砂性土海床进行比尺实验,利用物理手段研究平台插桩过程中土体与桩靴耦合作用机理。实验中给出了海床插桩入泥深度与地基承载力的曲线,并且推导出砂土力学性质随桩靴深度变化公式。实验的破坏特征与海洋砂土地基实际破坏一致,说明了模型试验的正确性,同时也为层状穿刺试验提供了实验基础。
作者 王琦
出处 《中国水运(下半月)》 2014年第3期364-366,共3页
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参考文献7

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二级参考文献10

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