Microseismic energy and intensity criterion of rockburst in deep TBM tunnels: A case study of the Neelum-Jhelum hydropower project
文献类型：期刊论文
| 作者 | Feng, Guang-liang2; Ma, Jin-gang3; Chen, Bing-rui2; Xiao, Ya-xun2; Jiang, Quan2; Li, Peng-xiang1; Lin, Man-qing3 |
| 刊名 | JOURNAL OF CENTRAL SOUTH UNIVERSITY
 |
| 出版日期 | 2023-05-01 |
| 卷号 | 30期号:5页码:1695 |
| ISSN号 | 2095-2899 |
| 关键词 | tunnel tunnel boring machine rockburst intensity microseismic energy Neelum-Jhelum hydropower project |
| 英文摘要 | Rockburst hazards caused by excavation in deep tunnel boring machine (TBM) tunnels endanger construction safety. Based on 43 rockburst events and related microseismic (MS) energies in the deep TBM tunnels in the Neelum-Jhelum hydropower station in Pakistan, the MS energy characteristics and intensity identification of rockburst events in deep TBM tunnels were studied. The rockburst event was preprocossed using distance discrimination method for case expansion, and the characteristics of MS energies of rockburst events with different intensities and lithological conditions in TBM tunnel were investigated. Using the quantitative parameter of MS energy, a criterion for identifying the rockburst intensity in deep TBM tunnels under different conditions was established. The higher the rockburst intensity, the greater the quantitative threshold of MS energy, and the two show a nonlinear relationship. The threshold value of MS energy for sandstone is greater than that of siltstone for the same intensity of rockburst. It is necessary to differentiate the lithology when identifying the intensity of rockburst events. The established criterion was validated in the project, and the results show that the established criterion is reliable. The results can provide a basis for understanding rockburst events and provide advance warning thereof in deep TBM tunnels. |
| 学科主题 | Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| 出版者 | JOURNAL OF CENTRAL SOUTH UNIV |
| WOS记录号 | WOS:001022891800021 |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/35218]  |
| 专题 | 中科院武汉岩土力学所 |
| 作者单位 | 1.Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines (Northeastern University), Shenyang 110819, China 2.State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China 3.School of Resources and Safety Engineering, Wuhan Institute of Technology, Wuhan 430073, China |
| 推荐引用方式 GB/T 7714 | Feng, Guang-liang,Ma, Jin-gang,Chen, Bing-rui,et al. Microseismic energy and intensity criterion of rockburst in deep TBM tunnels: A case study of the Neelum-Jhelum hydropower project[J]. JOURNAL OF CENTRAL SOUTH UNIVERSITY,2023,30(5):1695. |
| APA | Feng, Guang-liang.,Ma, Jin-gang.,Chen, Bing-rui.,Xiao, Ya-xun.,Jiang, Quan.,...&Lin, Man-qing.(2023).Microseismic energy and intensity criterion of rockburst in deep TBM tunnels: A case study of the Neelum-Jhelum hydropower project.JOURNAL OF CENTRAL SOUTH UNIVERSITY,30(5),1695. |
| MLA | Feng, Guang-liang,et al."Microseismic energy and intensity criterion of rockburst in deep TBM tunnels: A case study of the Neelum-Jhelum hydropower project".JOURNAL OF CENTRAL SOUTH UNIVERSITY 30.5(2023):1695. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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