| 大直径钻孔灌注桩桩身倾斜数值模拟分析研究 |
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| 引用本文： | 张雷, 陈时栩, 仇建华, 张鹏. 2008: 大直径钻孔灌注桩桩身倾斜数值模拟分析研究. 工程地质学报, 16(S1): 407-410. |
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| 作者姓名： | 张雷 陈时栩 仇建华 张鹏 |
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| 作者单位： | 1.同济大学地下建筑与工程系岩土及地下工程教育部重点实验室 上海 200092;;2.同济工程项目管理咨询有限公司 上海 200092 |
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| 基金项目： | 上海市重点学科建设项目资助(项目编号:B308). |
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| 摘 要： | 本文验证了有限差分法模型模拟大直径钻孔灌注桩的可靠性。在此基础上对某工程灌注桩底部分桩身发生倾斜的情况进行了FLAC3D模拟,分析了其承载力及稳定性的变化,从而得出在一定倾斜范围内,桩的承载力及稳定性变化不会对工程实际产生太大的影响。
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| 关 键 词： | 钻孔灌注桩 FLAC3D 极限承载力 |
STUDY ON NUMERICAL SIMULATION OF LARGE-DIAMETER BORED PILE TILTED |
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| ZHANG LEI, CHEN Shixu, QIU Jianhua, ZHANG Peng. 2008: STUDY ON NUMERICAL SIMULATION OF LARGE-DIAMETER BORED PILE TILTED. JOURNAL OF ENGINEERING GEOLOGY, 16(S1): 407-410. |
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| Authors: | ZHANG LEI CHEN Shixu QIU Jianhua ZHANG Peng |
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| Affiliation: | 1.Department of Geotechnical Engineering, Tongji University, Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Shanghai 200092;;2.Shanghai Tongji Project Management & Consulting Co., Ltd., Shanghai 200092 |
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| Abstract: | This paper verified reliability of the large-diameter bored pile simulation with finite difference models. On the basis, the paper simulated the model of the bored pile with lower part tilted by FLAC3D, and analyzed the changes of bearing capacity and stability. The conclusion is that the change of capacity and stability is insignificant to practical engineering if the slope is in a certain range can be reached by analyzing the behavior of pile. |
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| Keywords: | Bored pile FLAC3D Ultimate capacity |
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