Grouting sealing method of flow-control speed-down in karst pipelines and its engineering application
文献类型：期刊论文
| 作者 | Li, Haiyan3; Liu, Jie3; Wu, Jing1,2; Xu, Zhenhao3; Zhang, Xiangyu1; Zhang, Lewen1; Li, Zhaofeng3 |
| 刊名 | TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
 |
| 出版日期 | 2021-02-01 |
| 卷号 | 108页码:11 |
| 关键词 | Karst pipelines Dynamic water sealing Flow-control speed-down Numerical simulation Model test |
| ISSN号 | 0886-7798 |
| DOI | 10.1016/j.tust.2020.103695 |
| 英文摘要 | For the large-flow and high-speed dynamic water sealing problem in karst pipelines, the dynamic water sealing mechanism under flow-control speed-down conditions is researched systematically by numerical calculation, model test and engineering application. Firstly, numerical simulation for the dynamic water turbulent flow in the pipeline is conducted under different water heads and flow rates. The change laws of flow velocity and pressure are analyzed during the flow-control speed-down. Secondly, the flow-control speed-down test for dynamic water in the pipeline is carried out using the self-developed karst pipeline model test system. The functional relation between the value opening and the flow velocity after flow-control in the pipeline is deduced, and the numerical results are supplemented and verified. Finally, the proposed dynamic water sealing method of flow-control speed-down is successfully applied to the water gushing treatment project of the China Resources Cement (Pingnan) Riverview Limestone Mine. The results show that: (i) As the degree of flow-control speed-down increases, the flow velocity in the pipeline decreases gradually and the pressure increases gradually. (ii) The flowcontrol speed-down test effectively reduces the flow velocity and increases the slurry retention rate in the pipeline. (iii) The large-flow and high-speed water inrush at the construction site is effectively treated, and the validity and applicability of the proposed method are verified, which have important guiding significance for the disaster treatment of large-scale water inrush in karst areas. |
| 资助项目 | National Natural Science Foundation of China[42007234] ; National Natural Science Foundation of China[41977222] ; China Postdoctoral Science Foundation[2019M652384] ; Open Research Fund of State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences[Z019009] |
| WOS研究方向 | Construction & Building Technology ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000606470000002 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/25581]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Wu, Jing; Zhang, Lewen |
| 作者单位 | 1.Shandong Univ, Inst Marine Sci & Technol, Qingdao 266237, Shandong, Peoples R China 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China 3.Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250061, Shandong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Haiyan,Liu, Jie,Wu, Jing,et al. Grouting sealing method of flow-control speed-down in karst pipelines and its engineering application[J]. TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY,2021,108:11. |
| APA | Li, Haiyan.,Liu, Jie.,Wu, Jing.,Xu, Zhenhao.,Zhang, Xiangyu.,...&Li, Zhaofeng.(2021).Grouting sealing method of flow-control speed-down in karst pipelines and its engineering application.TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY,108,11. |
| MLA | Li, Haiyan,et al."Grouting sealing method of flow-control speed-down in karst pipelines and its engineering application".TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY 108(2021):11. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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