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| 考虑含水层非稳定流的弱透水层-维固结解答 | |
| 引用本文： | 曾婕,王旭东. 考虑含水层非稳定流的弱透水层-维固结解答[J]. 南京工业大学学报(自然科学版), 2012, 34(2): 85-90 |
| 作者姓名： | 曾婕 王旭东 |
| 作者单位： | 南京工业大学岩土工程研究所,江苏南京,210009 |
| 基金项目： | 江苏省六大人才高峰基金资助项目(09-F-004) |
| 摘 要： | 基于一维固结理论,采用抽水条件下含水层非稳定水位作为弱透水层固结边界条件,建立含水层抽水引起相邻弱透水层固结的数学模型,利用分离变量法,提出弱透水层的孔隙水压力和固结变形的解析公式,对比分析非稳定孔压和定孔压边界条件下弱透水层的固结发展规律.结果表明:考虑含水层非稳定流的弱透水层一维固结解较真实地反映抽水期间弱透水层中孔压消散和固结变形规律,为含水层抽水条件下弱透水层固结问题的合理分析提供了一条新的途径. |
| 关 键 词： | 一维固结 非稳定孔压边界 地下水非稳定流 孔隙水压力 固结变形 |
Analytical solution to one-dimensional consolidation of aquitards for unsteady flow in confined aquifers |
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| ZENG Jie , WANG Xudong. Analytical solution to one-dimensional consolidation of aquitards for unsteady flow in confined aquifers[J]. Journal of Nanjing University of Technology, 2012, 34(2): 85-90 | |
| Authors: | ZENG Jie WANG Xudong |
| Affiliation: | (Institute of Geotechnical Engineering,Nanjing University of Technology,Nanjing 210009,China) |
| Abstract: | Based on one-dimensional consolidation theory,a mathematical model for aquitard consolidation caused by pumping was established,by using unsteady groundwater level in adjacent confined aquifers as a consolidated boundary.The pore pressure and consolidated deformation analytical solutions were derived by the variable separation method.The principles of the consolidation in aquitard were compared and analyzed under the condition of unsteady pore pressure boundary and steady pore pressure boundary.Results showed that the solution reflects the principle of pore pressure dissipation and consolidation deformation in aquitards during pumping period when groundwater unsteady flow in confined aquifer was considered.It provided a reasonable analysis on the aquitard consolidation for groundwater withdraw in confined aquifer. |
| Keywords: | one-dimensional consolidation unsteady pore pressure boundary groundwater unsteady flow pore pressure consolidated deformation |
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