| 确定无粘性土静止土压力系数的一个理论公式 |
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| 引用本文： | 史宏彦,谢定义,汪闻韶.确定无粘性土静止土压力系数的一个理论公式[J].水利学报,2001,32(4):0085-0089. |
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| 作者姓名： | 史宏彦 谢定义 汪闻韶 |
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| 作者单位： | 1. 西安理工大学岩土所,
2. 中国水利水电科学研究院岩土所, |
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| 摘 要： | 在满足一般力学原理和临界状态土力学理论的基础上，本文将亚塑性理论与临界状态土力学相结合，推出了一个计算无粘性土静止土压力系数的理论公式。该公式形式简单，仅与土的有效内摩擦角有关，其计算结果与常见的多个经验公式的计算结果只有微小的差别。文中讨论结果表明，该公式可用于确定无粘性土的静止土压力系数。
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| 关 键 词： | 亚塑性理论 临界状态土力学 无粘性土 静止土压力系数 |
| 文章编号： | 0559-9350(2001)04-0085-04 |
| 修稿时间： | 2000年1月16日 |
A theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil |
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| SHI Hong yan,XIE Ding yi,WANG Wen shao.A theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil[J].Journal of Hydraulic Engineering,2001,32(4):0085-0089. |
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| Authors: | SHI Hong yan XIE Ding yi WANG Wen shao |
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| Affiliation: | 1.Xi'an University of Technology; 2.China Institute of Water Resources and Hydropower Research |
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| Abstract: | On the basis of general principles of mechanics and critical state soil mechanics theory,a theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil is derived by means of combining hypoplasticity with critical state soil mechanics.The formula has a simple form and is only related to the effective angle of internal friction of soil.There is a slight difference between the calculated value of the formula and that of other formulae.The further investigation of the formula shows that it can be used to determine the coefficient of earth pressure at rest of cohesionless soil. |
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| Keywords: | hypoplasticity critical state soil mechanics cohesionless soil coeffcient of earth pressure at rest |
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