Seepage field characteristic and stability analysis of tailings dam under action of chemical solution
文献类型：期刊论文
| 作者 | Wang, Guangjin2,5,6; Hu, Bin1,2,6; Tian, Sen4; Ai, Min5; Liu, Wenlian3,5; Kong, Xiangyun5 |
| 刊名 | SCIENTIFIC REPORTS
 |
| 出版日期 | 2021-02-18 |
| 卷号 | 11期号:1页码:11 |
| ISSN号 | 2045-2322 |
| DOI | 10.1038/s41598-021-83671-6 |
| 英文摘要 | As one of the important influencing factors of tailings dam stability, seepage field distribution within the dam is often affected by the tailings mineral characteristics. While the alkalinity or acidity of reservoir water and long term immersion will partially change the physical and mechanical properties of tailings. This study carried out permeability tests of tailings under the action of chemical solution. On this basis, a three dimensional (3D) model was constructed to analyze the velocity field and effective saturation within the tailings dam. Moreover, the dam section along the valley bottom was selected as the basic section in calculation, so as to analyze the changes in infiltration point and buried depth of the phreatic line under different permeability coefficient ratios. The results suggest that, under the action of acid-alkaline solution, the permeability coefficients of tailings reduced, and the stronger solution acidity-alkalinity resulted in the longer action time and more obvious change; under the action of chemical solution, the fluid flow velocity in the dam gradually decreased, and the drat beach length in the reservoir gradually shortened. Besides, when the upper layer permeability coefficients of tailings was lower than that of the lower layer, the dam phreatic line had a shallow buried depth and a high infiltration point. |
| 资助项目 | National Natural Science Foundation of China[U1802243] ; National Natural Science Foundation of China[51904040] ; National Natural Science Foundation of China[41672317] ; National key research and development plan[2017YFC0804600] ; Fundamental Research Funds for the Central Universities[2020CDJQY-A045] ; Fundamental Research Funds for the Central Universities[2020CDJ-LHZZ-003] ; General Program of Chongqing Natural Science Foundation Project[cstc2020jcyj-msxmX0747] ; State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences[Z018017] ; key laboratory of mine geological hazards mechanism ; Hubei province technical innovation special[2017ACA184] |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:000621412400028 |
| 出版者 | NATURE RESEARCH |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/25867]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Hu, Bin; Tian, Sen |
| 作者单位 | 1.Hubei Key Lab Efficient Utilizat & Agglomerat Met, Wuhan 430081, Hubei, Peoples R China 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China 3.China Nonferrous Met Ind Kunming Survey & Design, Kunming 650051, Yunnan, Peoples R China 4.Chongqing Univ, Sch Resources & Safety Engn, State Key Lab Coal Mine Disaster Dynam & Control, Chongqing 400044, Peoples R China 5.Kunming Univ Sci & Technol, Fac Land Resources Engn, Engn Res Ctr Green Comprehens Utilizat Met Ore Ta, Kunming 650093, Yunnan, Peoples R China 6.Wuhan Univ Sci & Technol, Sch Resources & Environm Engn, Wuhan 430081, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Guangjin,Hu, Bin,Tian, Sen,et al. Seepage field characteristic and stability analysis of tailings dam under action of chemical solution[J]. SCIENTIFIC REPORTS,2021,11(1):11. |
| APA | Wang, Guangjin,Hu, Bin,Tian, Sen,Ai, Min,Liu, Wenlian,&Kong, Xiangyun.(2021).Seepage field characteristic and stability analysis of tailings dam under action of chemical solution.SCIENTIFIC REPORTS,11(1),11. |
| MLA | Wang, Guangjin,et al."Seepage field characteristic and stability analysis of tailings dam under action of chemical solution".SCIENTIFIC REPORTS 11.1(2021):11. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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