| 近代海积软土结构性及弹-塑性模型研究 |
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| 引用本文： | 肖树芳,雷华阳,等.近代海积软土结构性及弹-塑性模型研究[J].工程地质学报(英文版),2000,8(4):394-399. |
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| 作者姓名： | 肖树芳 雷华阳 |
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| 作者单位： | 吉林大学环建学院,长春130026 |
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| 基金项目： | 国家自然基金资助项目!(编号 :496 72 16 5 |
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| 摘 要： | 土的结构性数学模型是 2 1世纪土力学的核心问题。本文分析了近代海积软土的结构性以及其塑性体应变硬化和塑性偏应变硬化的机制 ,建立了弹塑性本构模型 ,模型采用了具有双硬化参数的屈服轨迹及含结构性参数 m的塑性应变方程。
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| 关 键 词： | 结构性 塑性体应变硬化 塑性偏应变硬化 |
| 收稿时间： | 2000-09-09 |
STUDY ON THE STRUCTURAL CHARACTERISTICS AND ELASTIC-PLASTIC MODEL OF RECENT MARINE SOFT SOIL |
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| XIAO Shu fang LEI Hua yang FANG Hou guo WANG Chang ming,WANG Qing WANG Xu dong QI Fang.STUDY ON THE STRUCTURAL CHARACTERISTICS AND ELASTIC-PLASTIC MODEL OF RECENT MARINE SOFT SOIL[J].Journal of Engineering Geology,2000,8(4):394-399. |
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| Authors: | XIAO Shu fang LEI Hua yang FANG Hou guo WANG Chang ming WANG Qing WANG Xu dong QI Fang |
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| Institution: | Jilin University,Changchun 130026 |
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| Abstract: | The study of mathematical model of structured soils is the key of soil mechanics in the coming century. In this paper, the structural characteristics of one recent marine soft soil are investigated, and much is attributed to probe the hardening mechanism of plastic volumetric strains and plastic shear strains, then the yield locus with two hardening parameters in p q stress plane is identified , the plastic stress strain relationship is finally formulated with structural parameterm. |
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| Keywords: | Structural characteristic Plastic volumetric strain hardening Plastic shear strain hardenin |
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