| 广西某大桥桩基方案三维弹塑性有限元分析 |
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| 作者姓名： | 许平 冯紫良 |
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| 作者单位： | 同济大学地下建筑与工程系，同济大学地下建筑与工程系，同济大学地下建筑与工程系 上海 200092，上海 200092，上海 200092 |
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| 摘 要： | 通过三维弹塑性有限元计算程序对处于复杂地质条件中某大桥桩基进行分析,考虑了初始地应力的影响,计算出了承台、桩顶和桩底的位移,以及承台、桩、土及岩石的应力值,并绘出了相应的应力等值线图,对基岩受力后的稳定性给出了评价。
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| 关 键 词： | 三维弹塑性 有限元 承台 桩 初始地应力 |
The Three-dimension Elasto-plastic FE Analysis of a Bridge Pile Foundation Schema in Guangxi Province |
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| Authors: | Xu Ping Feng Ziliang Lin Han |
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| Abstract: | A bridge pile foundation with complicated geologic condition was analysed by the three-dimension elasto-plastic FE computer program in this paper,the effect of initial ground stress has been considered. The displacement of pile cap,pile top and pile bottom,the stress of pile cap,pile,soil and rock was calculated,the corresponding stress contour map was drawn and the stabilization of the foundation rock also was judged as well. |
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| Keywords: | three-dimension elasto-plastic Finite Element pile cap pile initial ground stress |
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