| 非饱和土的有效应力参数研究 |
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| 引用本文： | 邢义川,谢定义,李振.非饱和土的有效应力参数研究[J].水利学报,2000,31(12):0077-0082. |
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| 作者姓名： | 邢义川 谢定义 李振 |
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| 作者单位： | 1. 西安理工大学岩土所,陕西西安,710048
2. 西北农林科技大学水电科研院,陕西杨陵,712100 |
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| 摘 要： | 本文在评价了现有非饱和土有效应力参数确定方法的基础上，提出了一种新的求解方法。这种方法直接从非饱和土应力应变关系、孔隙气压力和孔隙水压力入手，推导出反映剪应力和球应力的有效应力参数公式。同时根据武功黄土试验资料进行了整理，所得有效应力参数规律性较好。
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| 关 键 词： | 非饱和土 有效应力 |
| 文章编号： | 0559-9350(2000)12-0077-05 |
| 修稿时间： | 1999-12-29 |
Study on effective stress parameter of unsaturated soil |
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| XING Yi-chuan,XIE Ding-yi,LI Zhen.Study on effective stress parameter of unsaturated soil[J].Journal of Hydraulic Engineering,2000,31(12):0077-0082. |
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| Authors: | XING Yi-chuan XIE Ding-yi LI Zhen |
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| Affiliation: | 1.Xi'an University of Technology; 2.Northwest University of Agriculture and Forestry Technology |
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| Abstract: | Based on the assessment of existing methods for determining the effective stress parameters of unsaturated soil, a new method is proposed. By using this method the parameters reflecting the shear stress and sphere stress can be directly deduced according to the stress-strain relationship, pore air pressure and pore water pressure. The result is verified by experimental data. |
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| Keywords: | unsaturated soil effective stress parameter shear stress sphere stress |
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