Vibration Characteristics of Cutter-Head in Soft-Hard Mixed Stratum: An Experimental Case Study on Su'ai Tunnel
文献类型：期刊论文
| 作者 | Yang, Zhenxing3,4; Pan, Dongjiang3,4; Zhou, Jianjun3,4; Chen, Jian2; Sun, Zhenchuan3,4; Liu, Haining1 |
| 刊名 | KSCE JOURNAL OF CIVIL ENGINEERING
 |
| 出版日期 | 2020-04-01 |
| 卷号 | 24期号:4页码:1338-1347 |
| 关键词 | Vibration characteristics of cutter-head Soft-hard mixed stratum Cutting rock with disc cutter Su'ai Tunnel Similar model experiment |
| ISSN号 | 1226-7988 |
| DOI | 10.1007/s12205-020-0966-5 |
| 英文摘要 | This paper conducts a simulation experiment research on cutter-head vibration characteristics by evaluating a soft-hard mixed stratum (the upper layer is silty soil, whereas the lower layer is moderately weathered granite of maximum UCS 142.0 MPa and slightly weathered granite of maximum 210.0 MPa). The ratios of hard rock and soil within the tunnel face were designed to be 1:1 and 1:2. Then, the cutter-head and stratum model were subjected to vibration analysis by reasonably deployed accelerometers. Results show that: 1) different conditions of heterogeneous strata mainly affected the acceleration amplitude and frequency distribution of cutter-head, in other words, the stronger hard rock, the larger the strength difference between the hard rock and soil within a tunnel face, the larger the vibration acceleration and the more concentrated the vibration frequency distribution; 2) the radial and circumferential vibration acceleration of the cutter-head in different positions were not largely different; however, axial accelerations were largely different. The axial vibration accelerations first increased and then decreased along the radial direction of cutter-head. Considering the difference between Multi-Mode Boring Test System and real cutter-head structure, the radius of joint between the cutter-head and the flange plate should be reasonably increased according to the ratio of hard rock in tunnel face; 3) with the increasing difference between the strength of the hard rock and soil, the circumferential and axial vibration acceleration multiplied. Thus, the soil remarkably reduces the vibration of the cutter-head. These results can provide some evidence of potential application for advancing manufacturing practice for cutter-head and disc cutter of shield machine. |
| 资助项目 | Science and Technology Innovation Program of China Railway Tunnel Group Co., Ltd[Suiyanhe-2017-05] ; Science and Technology Innovation Program of China Railway Tunnel Group Co., Ltd[Suiyanhe 2019-08] ; Hubei Technical Innovation Project[2017ACA186] ; Henan Province Key R&D and Extension Project (Key scientific and technological problems tackling)[192102210218] ; Henan Province Key R&D and Extension Project (Key scientific and technological problems tackling)[192102310284] |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000519927100027 |
| 出版者 | KOREAN SOCIETY OF CIVIL ENGINEERS-KSCE |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/23809]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Pan, Dongjiang |
| 作者单位 | 1.North China Univ Water Resources & Elect Power, Inst Geotech Engn & Hydraul Struct Engn, Zhengzhou 450045, Peoples R China 2.Chinese Acad Sci, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China 3.China Railway Tunnel Grp Co Ltd, Luoyang 471009, Peoples R China 4.State Key Lab Shield Machine & Boring Technol, Zhengzhou 450001, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yang, Zhenxing,Pan, Dongjiang,Zhou, Jianjun,et al. Vibration Characteristics of Cutter-Head in Soft-Hard Mixed Stratum: An Experimental Case Study on Su'ai Tunnel[J]. KSCE JOURNAL OF CIVIL ENGINEERING,2020,24(4):1338-1347. |
| APA | Yang, Zhenxing,Pan, Dongjiang,Zhou, Jianjun,Chen, Jian,Sun, Zhenchuan,&Liu, Haining.(2020).Vibration Characteristics of Cutter-Head in Soft-Hard Mixed Stratum: An Experimental Case Study on Su'ai Tunnel.KSCE JOURNAL OF CIVIL ENGINEERING,24(4),1338-1347. |
| MLA | Yang, Zhenxing,et al."Vibration Characteristics of Cutter-Head in Soft-Hard Mixed Stratum: An Experimental Case Study on Su'ai Tunnel".KSCE JOURNAL OF CIVIL ENGINEERING 24.4(2020):1338-1347. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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