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| 径向双侧壁排水软土地基固结数学模型及解析解 | |
| 引用本文： | 兰四清,王玉林,谢康和.径向双侧壁排水软土地基固结数学模型及解析解[J].岩土力学,2009,30(12):3871-3875. |
| 作者姓名： | 兰四清 王玉林 谢康和 |
| 作者单位： | 1. 武夷学院,建筑与土木工程系,武夷山,354300 2. 武夷学院,建筑与土木工程系,武夷山,354300;浙江大学,土木系,杭州,310027 3. 浙江大学,土木系,杭州,310027 |
| 摘 要： | 在软土地基中设置成层的环状排水砂层，使饱和土中孔隙水沿径向具有两个相反方向的排水通道，超静孔压可以朝环状土层的两圆侧壁消散，通过径向排水通道的增加及排水路径的缩短，可以加快软土固结。基于这种思路，建立了相应的饱和软土固结数学模型，进行了求解，并通过实例对超静孔压分布和发展规律以及软土固结性状进行了分析。 |
| 关 键 词： | 超静孔压 排水通道 环状土层 固结 数学模型 |
| 收稿时间： | 2008-02-25 |
Mathematical model and analytical solutions of soft soil consolidation with both way drainages in radial directions |
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| LAN Si-qing,WANG Yu-lin,XIE Kang-he.Mathematical model and analytical solutions of soft soil consolidation with both way drainages in radial directions[J].Rock and Soil Mechanics,2009,30(12):3871-3875. | |
| Authors: | LAN Si-qing WANG Yu-lin XIE Kang-he |
| Institution: | 1. Department of Architecture and Civil Engineering, Wuyi University, Wuyishan 354300, China; 2. Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China |
| Abstract: | Pore-water in saturated soil gains both way drainages in radial directions by installing annular sand-layered drainages into the soft soil ground, and then the excess pore-water pressure can be dissipated along the two lateral surfaces of every annular soil layer. As addition of radial dissipation surface and reduction of dissipating distance, soft soil foundation can consolidate faster. Based on these ideas, the corresponding mathematical model of saturated soil consolidation and its analytical solution is presented; and then by a case study, the distribution and development of excess pore-water pressure, and consolidation characteristics of saturated soil are analyzed. |
| Keywords: | excess pore-water pressure drainage way annular soil layer consolidation mathematical model |
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