دورية أكاديمية
Deformation Law of Tunnels Using Double-Sidewall Guide Pit Method under Different Excavation Sequences
العنوان: | Deformation Law of Tunnels Using Double-Sidewall Guide Pit Method under Different Excavation Sequences |
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المؤلفون: | Yanmei Ruan, Xu Luo, Jin Li, Yang Li, Shan Lin, Chengkun Ling, Bingxiang Yuan |
المصدر: | Applied Sciences, Vol 13, Iss 23, p 12764 (2023) |
بيانات النشر: | MDPI AG, 2023. |
سنة النشر: | 2023 |
المجموعة: | LCC:Technology LCC:Engineering (General). Civil engineering (General) LCC:Biology (General) LCC:Physics LCC:Chemistry |
مصطلحات موضوعية: | double-sidewall guide pit method, excavation sequence, modeling experiments, Technology, Engineering (General). Civil engineering (General), TA1-2040, Biology (General), QH301-705.5, Physics, QC1-999, Chemistry, QD1-999 |
الوصف: | The double-sidewall guide pit method finds extensive application in the construction of large cross-section tunnels in soft rock strata due to its minimal disruption to the surrounding rock, thereby enhancing tunnel stability. To investigate the loading and deformation patterns of the surrounding rock and tunnel support using the double-sidewall guide pit method, this study compares the impacts of various construction sequences on surface settlement, surrounding rock stress, and lining stress using indoor model tests. The experimental results show that after excavating the upper guide hole on one side, the excavation of the lower guide hole on the same side is carried out. The upper and lower support structures form a closed loop, and the structure can better constrain the surrounding rock and control the deformation of the surrounding rock, whereas the lower structure can share the stresses suffered by the upper structure. Therefore, compared with the upper and lower excavation methods, the surface settlement caused by the left and right excavation methods is smaller, the disturbance to the surrounding rock is smaller, and the supporting structure is more evenly and stably stressed in the excavation process. |
نوع الوثيقة: | article |
وصف الملف: | electronic resource |
اللغة: | English |
تدمد: | 2076-3417 |
Relation: | https://www.mdpi.com/2076-3417/13/23/12764; https://doaj.org/toc/2076-3417 |
DOI: | 10.3390/app132312764 |
URL الوصول: | https://doaj.org/article/092b8515096948e5a05508c2a305658c |
رقم الأكسشن: | edsdoj.092b8515096948e5a05508c2a305658c |
قاعدة البيانات: | Directory of Open Access Journals |
تدمد: | 20763417 |
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DOI: | 10.3390/app132312764 |