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无砂混凝土小桩后处理机理数值分析 被引量:3

Numerical Analysis of Small Non-Sand Concrete Pile Used in Post-Processing Technology
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摘要 以无砂混凝土小桩后处理高填方软基技术为研究对象,采用有限元数值分析方法,研究采用后处理技术的填方路基在填筑及后处理过程中的位移和孔隙水压力规律。分析了填筑及后处理过程中的应力、位移分布特点,得到了位移、应力以及孔隙水压力变化的一般规律。从数值分析方面验证了无砂混凝土小桩后处理方法的堆载预压、快速排水、固结等综合作用机理。 The post-processing technology of small non-sand concrete pile is a new processing techno-logy,through numerical simulation method,the displacement and pore pressure of the filled embankment during construction is studied in this paper.Through researching pressure and deformation distribution during the fill and post treatment period,the general variation of deformation,pressure and pore pressure is got.It is proved that the post-processing technology has a comprehensive mechanism of preloading,ra-pid drainage,consolidation and so on.
出处 《公路》 北大核心 2012年第10期43-46,共4页 Highway
基金 国家自然科学基金资助项目 项目编号50978235
关键词 路基工程 无砂混凝土小桩 后处理 数值模拟 subgrade engineering small non-sand concrete pile post-treatment numerical simulation
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参考文献7

  • 1童怀峰,郭院成.无砂混凝土小桩后处理技术在软土地基的应用[J].路基工程,2006(6):64-65. 被引量:4
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二级参考文献1

  • 1杨位光.地基与基础[M].北京:中国建筑工业出版社,1998..

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