Model Test on Approaching the Construction of Multi-Line Overlapping Shield Tunnels for Up- and Down-Crossing
文献类型：期刊论文
| 作者 | Liu, Shangge; Wang, Yuanhai; Zhou, Hui; Sun, Changzhong; Lin, Dongfei |
| 刊名 | PROCESSES
 |
| 出版日期 | 2022-03-01 |
| 卷号 | 10期号:3 |
| 关键词 | shield tunnel multi-line overlap model test formation loss ground settlement |
| 英文摘要 | Multi-line overlapping shield tunnels have a complicated layout in the underground space, and the interaction mechanism between tunnels is very complicated. Based on the construction formation of multi-line overlapped shield tunnel with short-distance up- and down-crossing, indoor model tests were conducted to analyze ground settlement (caused by excavation unloading and stratum loss) and the longitudinal deformation law of existing tunnels based on the drainage method, according to the characteristics and control requirements of the short-distance construction of shield tunnels. The results show that as long as the construction strategy of first-down and then-up crossing is adopted, no sudden change in ground settlement would occur. Furthermore, neither the changes in transient settlements nor the final ground settlement would be too large, which is different from the strategy of first-up and then-down crossing; the first-up and then-down crossing strategy generally increases the curvature of the deformation curve of the existing tunnel, and the deformation of the existing tunnel will cause obvious repeated vibrations. This provides theoretical guidance for the design and construction of multi-line overlapped tunnels. |
| 学科主题 | Engineering |
| 语种 | 英语 |
| 出版者 | MDPI |
| WOS记录号 | WOS:000774280600001 |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/34716]  |
| 专题 | 中科院武汉岩土力学所 |
| 作者单位 | Chinese Academy of Sciences; Wuhan Institute of Rock & Soil Mechanics, CAS |
| 推荐引用方式 GB/T 7714 | Liu, Shangge,Wang, Yuanhai,Zhou, Hui,et al. Model Test on Approaching the Construction of Multi-Line Overlapping Shield Tunnels for Up- and Down-Crossing[J]. PROCESSES,2022,10(3). |
| APA | Liu, Shangge,Wang, Yuanhai,Zhou, Hui,Sun, Changzhong,&Lin, Dongfei.(2022).Model Test on Approaching the Construction of Multi-Line Overlapping Shield Tunnels for Up- and Down-Crossing.PROCESSES,10(3). |
| MLA | Liu, Shangge,et al."Model Test on Approaching the Construction of Multi-Line Overlapping Shield Tunnels for Up- and Down-Crossing".PROCESSES 10.3(2022). |
入库方式： OAI收割
来源：武汉岩土力学研究所
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