| 粘弹塑性地基上基础基底反力的计算 |
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| 引用本文： | 夏正中,罗来安.粘弹塑性地基上基础基底反力的计算[J].土木与环境工程学报,1992,14(4). |
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| 作者姓名： | 夏正中 罗来安 |
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| 作者单位： | 重庆建筑工程学院建筑工程系，重庆建筑工程学院建筑工程系 |
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| 摘 要： | 本文采用粘弹塑性力学模型和八节点等参元方法,对圆形基础反力进行了有限元分析。为了验证理论分析的可靠性,进行了重塑粘土地基上的圆形刚性压板试验,并和北京、上海等地高层建筑箱形基础基底反力实测结果进行比较。结果表明,根据本文提出的力学模型与计算方法得出的基底反力比较符合实际。
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| 关 键 词： | 粘弹塑性 力学模型 基底反力 有限元法 压板试验 圆形基础 |
CALCULATION OF CONTACT PRESSURE UNDER FOUNDATION RESTING ON VISCO-ELASTOPLASTIC SUBGRADE |
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| Xia Zhengzhong Luo Laian.CALCULATION OF CONTACT PRESSURE UNDER FOUNDATION RESTING ON VISCO-ELASTOPLASTIC SUBGRADE[J].Journal of Civil and Environmental Engineering,1992,14(4). |
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| Authors: | Xia Zhengzhong Luo Laian |
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| Affiliation: | Dept. of Civil Engineering |
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| Abstract: | In this paper, the finite element method(FEM) is carried out for the contact pressure under circular foundation with visco-elastoplastic model and a 8 node finite element program determing parameter. In order to prove the reliability of the theoretical analysis, a circular rigid loading plate test on remolded clay is done. Otherwise, a comparison of the measuring contact pressure under box foundations of highrise buildings in Beijing and Shanghai with the calculated value by different method is made. The result shows the calculated value by the method proposed in this paper is more coincident with practical data. |
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| Keywords: | visco-elastoplactic mechanical model contact pressure finite element method(FEM) circular foundation loading plate test |
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