Stress-Structural Failure of a 610 m Crushing Station Left-Side Tunnel Section in Jinchuan II Mine: A Numerical Simulation Study
文献类型：期刊论文
| 作者 | Kou, Yongyuan1,2; Yin, Shenghua1; Qiu, Shili3; Xin, Jie3 |
| 刊名 | APPLIED SCIENCES-BASEL
 |
| 出版日期 | 2024 |
| 卷号 | 14期号:1页码:12 |
| 关键词 | Jinchuan II mine stress-structure failure 3D reconstruction numerical simulation |
| DOI | 10.3390/app14010059 |
| 英文摘要 | To address the stress-structural failure phenomenon that can be induced by the excavation of a left-side tunnel section of a 610 m crushing station, an unmanned aerial vehicle was used in this study to collect the geological conditions and rock mass information of the working face, and important geometric information such as the attitude and spacing of rock mass were extracted. Based on the identified attitude and spacing information, a three-dimensional rock mass structure and numerical simulation model of the 610 m crushing station left-side tunnel section were constructed using discrete element numerical simulation software (3DEC) (version 5.0). The results show that the surrounding rock instability of the left-side tunnel section of the 610 m crushing station is controlled by both the stress field in the contact zone between reddish-brown granite stratum and the gray-black-gray gneiss stratum. The cause of stress-structural failure is that the joint sets (JSet #2 and JSet #3) are most likely to form unfavorable blocks with the excavation surface due to unloading triggered by the excavation. Therefore, stress-structural failure disasters in jointed strata sections are one of the key issues for surrounding rock stability during crushing station excavation. It is suggested to adopt 'optimized excavation parameters + combined support forms' to systematically control stress-structural failure after unloading due to the excavation from three levels: surface, shallow, and deep. The stress-structural failure mechanism of deep rock mass is generally applicable to a large extent, so the results of this research have reference value for engineering projects facing similar problems around the world. |
| 资助项目 | National Key R&D Program of China |
| WOS研究方向 | Chemistry ; Engineering ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:001139270300001 |
| 出版者 | MDPI |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/40366]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Yin, Shenghua |
| 作者单位 | 1.Univ Sci & Technol Beijing, Sch Civil & Resources Engn, Beijing 100083, Peoples R China 2.Gansu Jinchuan Grp Co Ltd, 2 Min Area, Jinchang 737100, Peoples R China 3.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Kou, Yongyuan,Yin, Shenghua,Qiu, Shili,et al. Stress-Structural Failure of a 610 m Crushing Station Left-Side Tunnel Section in Jinchuan II Mine: A Numerical Simulation Study[J]. APPLIED SCIENCES-BASEL,2024,14(1):12. |
| APA | Kou, Yongyuan,Yin, Shenghua,Qiu, Shili,&Xin, Jie.(2024).Stress-Structural Failure of a 610 m Crushing Station Left-Side Tunnel Section in Jinchuan II Mine: A Numerical Simulation Study.APPLIED SCIENCES-BASEL,14(1),12. |
| MLA | Kou, Yongyuan,et al."Stress-Structural Failure of a 610 m Crushing Station Left-Side Tunnel Section in Jinchuan II Mine: A Numerical Simulation Study".APPLIED SCIENCES-BASEL 14.1(2024):12. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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