| 路桥过渡段软土路基刚性桩多级过渡加固的应用 |
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| 引用本文： | 陆峥嵘.路桥过渡段软土路基刚性桩多级过渡加固的应用[J].中国市政工程,2010(2):50-52. |
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| 作者姓名： | 陆峥嵘 |
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| 作者单位： | 上海林同炎李国豪土建工程咨询有限公司,上海,200092 |
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| 摘 要： | 结合宁波市东外环路(通途路—北外环路)工程B标段道路新建工程,针对路桥过渡段工后沉降变化的特点,应用刚性桩多级过渡加固的设计方法,实现桥台至路堤之间由"刚"→"柔"的平稳过渡。通过大型有限元软件PLAXIS对路桥过渡段刚性桩变桩长的处理方案进行数值模拟,获得的结论可为软土路基地区路桥过渡段的设计和施工提供有益参考。
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| 关 键 词： | 软土路基 有限元软件 路桥过渡段 多级过渡加固 刚性桩 变桩长 |
On Multi-stage Transition Strengthening of Rigid Pile Applied in Road-bridge Transition Section under Soft Soil Subgrade Condition |
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| LU Zheng-rong.On Multi-stage Transition Strengthening of Rigid Pile Applied in Road-bridge Transition Section under Soft Soil Subgrade Condition[J].China Municipal Engineering,2010(2):50-52. |
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| Authors: | LU Zheng-rong |
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| Affiliation: | LU Zheng-rong (Lin Tung-yen & Li Guo-hao Consultants Shanghai Ltd.,Shanghai 200092,China) |
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| Abstract: | Taking a new building project of Section B Rd. of East Out Ring Rd. ( Tongtu Rd. -North Out Ring Rd.) in Ningbo for example,aiming at the post-construction settlements characteristics of road-bridge transition section,the design method of rigid pile multi-stage transition strengthening is applied to realize the smooth transition from rigid to flexible b etween abutment and embankment. After making a numerical simulation of the variable rigid pile length treatment plan by PLAXIS ( a large finite element soft... |
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| Keywords: | soft soil subgrade finite element software road-bridge transition section multi-stage transition strengthening rigid pile variable pile length |
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