|
|||||
|
|
| 非饱和土临界荷载和太沙基极限承载力解析解 | |
| 引用本文： | 张常光,曾开华,赵均海.非饱和土临界荷载和太沙基极限承载力解析解[J].同济大学学报(自然科学版),2010,38(12):1736-1740. |
| 作者姓名： | 张常光 曾开华 赵均海 |
| 作者单位： | 1. 同济大学,岩土及地下工程教育部重点实验室,上海,200092;同济大学,地下建筑与工程系,上海,200092 2. 南昌工程学院,岩土工程研究所,江西,南昌,330099 3. 长安大学,建筑工程学院,陕西,西安,710061 |
| 基金项目： | 陕西省自然科学基金资助项目(SJ08E204) |
| 摘 要： | 基于非饱和土双应力状态变量抗剪强度统一解,综合考虑中间主应力、基质吸力和超固结比等影响,推导了非饱和土条形地基临界荷载和太沙基极限承载力解析解,并得出统一强度理论参数、基质吸力和超固结比对解析解的影响规律.研究结果表明:该解析解具有很好的可比性,临界荷载公式适用于任意侧压力系数;临界荷载和太沙基极限承载力均随着统一强度理论参数和基质吸力的增大而显著增加;临界荷载与超固结比近似成线形递增关系,不同基质吸力所对应的临界荷载间相互平行. |
| 关 键 词： | 非饱和土 统一强度理论 临界荷载 极限承载力 |
| 收稿时间： | 7/19/2009 3:44:33 PM |
| 修稿时间： | 2010/10/20 0:00:00 |
Analytical Solutions of Critical Load and Terzaghi's Ultimate Bearing Capacity for Unsaturated Soil |
|
| ZHANG Changguang,ZENG Kaihua and ZHAO Junhai.Analytical Solutions of Critical Load and Terzaghi's Ultimate Bearing Capacity for Unsaturated Soil[J].Journal of Tongji University(Natural Science),2010,38(12):1736-1740. | |
| Authors: | ZHANG Changguang ZENG Kaihua and ZHAO Junhai |
| Institution: | ZHANG Changguang1,2,ZENG Kaihua3,ZHAO Junhai4(1.Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education,Tongji University,Shanghai 200092,China,2.Department of Geotechnical Engineering,3.Institute of Geotechnical Engineering,Nanchang Institute of Technology,Nanchang 330099,4.School of Civil Engineering,Chang'an University,Xi'an 710061,China) |
| Abstract: | Based on the unified solution of shear strength for unsaturated soil in terms of two state stress variables,analytical solutions of the critical load and Terzaghi's ultimate bearing capacity for unsaturated soil strip foundation are obtained by taking into consideration the influences of intermediate principal stress,matric suction and over-consolidation ratio.The influence laws of the unified strength theory parameter,matric suction and over-consolidation ratio on the analytical solutions are discussed.The... |
| Keywords: | unsaturated soil unified strength theory critical load ultimate bearing capacity |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |
| 点击此处可从《同济大学学报(自然科学版)》浏览原始摘要信息 | |
| 点击此处可从《同济大学学报(自然科学版)》下载免费的PDF全文 | |