| 地基压缩层厚度的数值模拟分析和探讨 |
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| 引用本文： | 陈蔚,李伯民,刘宏波. 地基压缩层厚度的数值模拟分析和探讨[J]. 河北建筑工程学院学报, 2009, 27(1): 12-14,21 |
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| 作者姓名： | 陈蔚 李伯民 刘宏波 |
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| 作者单位： | 北京工业大学;张家口城市建设总公司;河北建筑工程学院 |
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| 摘 要： | 采用FLAC3D数值模拟的方法探讨土质不同对地基压缩层厚度的影响.分别对均质土地基及双层土地基建立模型,观察荷载作用下地基压缩层厚度的变化规律,得出对于均质土体,在相同荷载作用下,当土的压缩模量越大,土的压缩层厚度越小;对于上软下硬土体,下部硬土层的存在会减小土体的压缩层厚度;对于上硬下软土体,下部软土层的存在会增加土体的压缩层厚度.
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| 关 键 词： | 压缩模量 压缩层厚度 FLAC3D |
Value Simulation Analysis of Ground Compressive Layer Thickness |
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| Chen Yu,Li Boming,Liu Hongbo. Value Simulation Analysis of Ground Compressive Layer Thickness[J]. Journal of Hebei Institute of Architectural Engineering, 2009, 27(1): 12-14,21 |
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| Authors: | Chen Yu Li Boming Liu Hongbo |
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| Affiliation: | Chen Yu1,Li Boming2,Liu Hongbo31.Beijing University of Technology,2.Zhangjiakou Urban Construction Company,3.Hebei Institute of Architechture and Civil Engineering |
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| Abstract: | This paper explores the influnce on the thickness of compressed layer under different soils by numerical simulation,establishes two models of homogeneous foundation and layered foundation,observes the changing rules of thickness of compressed layer,and draws a conclusion that the larger the compression modulusis,the smaller the compressed layer thickness is when the loading is the same.For the layered foundation in which the upper soil is softer than the lower soil,the existence of the lower part will reduc... |
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| Keywords: | FLAC3D |
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