| 复合地基中桩基础的试验与计算理论研究 |
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| 引用本文： | 周成,方永凯.复合地基中桩基础的试验与计算理论研究[J].水利水运工程学报,1998,0(4). |
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| 作者姓名： | 周成 方永凯 |
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| 作者单位： | 南京水利科学研究院土工研究所 |
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| 摘 要： | 本文通过模型试验和有限元数值计算，对软土地基中桩基础和碎石桩复合地基中桩基础的作用特性进行了研究，结果表明:用碎石桩复合地基的方法可以有效地改善桩、土、承台体系的共同作用，提高桩基础的整体承载力。并提出了基于极限状态的桩基础加固的计算机设计方法，可应用于工程实践。
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| 关 键 词： | 模型试验 数值计算 桩基加固 极限状态设计 |
Computation and model test research on pile foundation casted in composite ground |
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| Zhou Cheng,Fang Yongkai.Computation and model test research on pile foundation casted in composite ground[J].Hydro-Science and Engineering,1998,0(4). |
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| Authors: | Zhou Cheng Fang Yongkai |
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| Affiliation: | Nanjing Hydraulic Research Institute |
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| Abstract: | In this paper, model test and numerical simulation research were conducted on pile foundation casted in soft ground and composite ground. The conclusion is reached that stone columns method improves greatly the interaction between soil, pile and cap, so that the total bearing capacity of the pile foundation is multiplied. Based on the conclusion,computer aided design method is recommended for pile foundation at a state of ultimate bearing capacity. It can be utilized in theoretical study and project practice. |
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| Keywords: | model test numerical simulation pile foundation reinforcement design of ultimate bearing capacity |
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