Mechanical performance and failure mechanism of U-steel support structure under blast loading
文献类型：期刊论文
| 作者 | Zhao, Jin-Shuai2,3; Yang, Jia-Hao2; Li, Peng-Xiang4; Zhu, Xin-Hao5; Chen, Chong-Feng6; Zhang, Jian-Cong1 |
| 刊名 | FRONTIERS IN EARTH SCIENCE
 |
| 出版日期 | 2024-02-02 |
| 卷号 | 11页码:11 |
| 关键词 | underground cavern u-steel support blast load microseismic monitoring structural performance |
| DOI | 10.3389/feart.2023.1314034 |
| 英文摘要 | The U-steel support structures of underground caverns are prone to instability and failure under blast loads. The purpose of the underground cavern reinforcement is to mobilise the self-supporting capacity of the surrounding rock to resist the blast. To better understand the mechanical performance and failure mechanism of the U-steel support, the fracture process and vibration behaviour of the support structure under blast loading are investigated by the microseismic monitoring experiment. The dynamic responses of the cavern support structures under blast loading are investigated, and the potentially hazardous sections of the U-steel support structure are revealed by the theoretical analysis. The microseismic monitoring results show that the blast induced microseismic events are concentrated in the arch shoulder of the small chainage, correspondingly the U-steel structures in this region have been partially extruded and deformed. The failure mechanism of the supporting structure is presented. In order to effectively inhibit the internal fracture evolution or macroscopic failure of the rock mass, the synergetic reinforcement scheme of the structures is proposed. The results of the research can be used as a reference for the design and control method of the U-steel support in similar projects. |
| 资助项目 | National Natural Science Foundation of China[52209132] ; National Natural Science Foundation of China[52209120] ; CRSRI Open Research Program[SN: CKWV20231173/KY] ; China Postdoctoral Science Foundation[2023M733317] |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:001162246800001 |
| 出版者 | FRONTIERS MEDIA SA |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/40623]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Li, Peng-Xiang; Zhu, Xin-Hao |
| 作者单位 | 1.Powerchina Huadong Engn Corp Ltd, Hangzhou, Peoples R China 2.Jiangsu Univ, Fac Civil Engn & Mech, Zhenjiang, Peoples R China 3.Minist Water Resources, Yangtze River Sci Res Inst, Key Lab Geotech Mech & Engn, Wuhan, Peoples R China 4.Heze Univ, Coll Urban Construct, Heze, Peoples R China 5.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan, Peoples R China 6.China Coal Technol & Engn Grp Corp, Xian Res Inst, Xian, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhao, Jin-Shuai,Yang, Jia-Hao,Li, Peng-Xiang,et al. Mechanical performance and failure mechanism of U-steel support structure under blast loading[J]. FRONTIERS IN EARTH SCIENCE,2024,11:11. |
| APA | Zhao, Jin-Shuai,Yang, Jia-Hao,Li, Peng-Xiang,Zhu, Xin-Hao,Chen, Chong-Feng,&Zhang, Jian-Cong.(2024).Mechanical performance and failure mechanism of U-steel support structure under blast loading.FRONTIERS IN EARTH SCIENCE,11,11. |
| MLA | Zhao, Jin-Shuai,et al."Mechanical performance and failure mechanism of U-steel support structure under blast loading".FRONTIERS IN EARTH SCIENCE 11(2024):11. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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