| 复合地基中桩体变形模量的分析与计算 |
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| 引用本文： | 张定. 复合地基中桩体变形模量的分析与计算[J]. 岩土工程学报, 1999, 21(2): 70-73 |
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| 作者姓名： | 张定 |
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| 作者单位： | 上海铁道大学土木工程系； |
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| 摘 要： | 论述了散体材料复合地基中桩体变形模量与综合应力（竖向应力与侧限阻力之差）及竖向应变的关系，指出桩周土对桩体的侧限阻力与桩周土的性质及应力状态相关并依据桩土共同作用关系，对群桩复合地基、单桩复合地基及单桩载荷试验３种情况分别作出分析，建立了相应的桩体变形模量计算公式。
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| 关 键 词： | 复合地基 侧限阻力 变形模量 |
Analysis and computation of the deformation modulus of the pile in the composite foundation |
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| Zhang Ding. Analysis and computation of the deformation modulus of the pile in the composite foundation[J]. Chinese Journal of Geotechnical Engineering, 1999, 21(2): 70-73 |
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| Authors: | Zhang Ding |
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| Affiliation: | Department of Civil Engineering Shanghai Tiedao University Shanghai 200331 |
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| Abstract: | The article states the influence of comprehensive stress (difference between verticle stress and side constraint) and verticle strain on the deformation modulus of pile in composite foundation . It is pointed out that the side constraint imposed by soil around the pile depends on the soil type and its state of stress. Based on the interaction between pile and soil, analyses are made on three different kinds of loading test on composite foundation composed of pile group, composite foundation composed of single pile and single pile respectively. The computation formula for the deformation modulus of pile is established accordingly. |
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| Keywords: | composite foundation side constraint modulus of deformation |
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