| 考虑钢护筒效应变截面桩竖向承载力研究 |
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| 引用本文： | 陈玲,穆保岗,汪梅,陈力. 考虑钢护筒效应变截面桩竖向承载力研究[J]. 江苏建筑, 2010, 0(4): 51-53 |
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| 作者姓名： | 陈玲 穆保岗 汪梅 陈力 |
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| 作者单位： | 1. 解放军理工大学人防系,江苏南京,210007
2. 东南大学土木工程学院,江苏南京,210096 |
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| 基金项目： | 千米级斜拉桥技术标准和关键结构及特性研究 |
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| 摘 要： | 文章对钢护筒给桩身竖向承载力性能带来的影响进行了研究,提出相应的修正公式。采用有限元法分析了考虑钢护筒作用时桩的沉降量的改变,分析结果表明,考虑钢护筒效应可以有效地提高桩承载力,减小其沉降量。
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| 关 键 词： | 超长大直径钻孔灌注桩 钢护筒 竖向承载力 有限元法 |
Study on Vertical Bearing Characteristics of Bridge Pile Foundation with Steel Tube |
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| CHEN Ling,MU Bao-gang,WANG Mei,CHEN Li. Study on Vertical Bearing Characteristics of Bridge Pile Foundation with Steel Tube[J]. Jiangsu Construction, 2010, 0(4): 51-53 |
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| Authors: | CHEN Ling MU Bao-gang WANG Mei CHEN Li |
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| Affiliation: | CHEN Ling MU Bao-gang WANG Mei CHEN Li (1.College of Civil Air Defence, PLA University of Science and Technology, Nanjing Jiangsu 210007 China; 2.College of Civil Engineering, Southeast University, Nanjing Jiangsu 210096 China) |
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| Abstract: | The effect on vertical bearing capacity of pile with steel tube was studied in this paper, and associ- ated with which a modified formula was proposed. The settlement of the pile with steel tube was analysed with the FEM, and the result was concluded that the steel tube could increase the vertical bearing capacity and improve the settlement of the pile effectively. |
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| Keywords: | super long-large diameter bored pile steel tube vertical bearing FEM |
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