Academic Journal
Semi-Analytical Prediction of Ground Surface Heave Induced by Shield Tunneling Considering Three-Dimensional Space Effect
| العنوان: | Semi-Analytical Prediction of Ground Surface Heave Induced by Shield Tunneling Considering Three-Dimensional Space Effect |
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| المؤلفون: | Jianfeng Qi, Guohua Zhang, Yuyong Jiao, Luyi Shen, Fei Zheng, Junpeng Zou, Peng Zhang |
| المصدر: | Applied Sciences, Vol 13, Iss 11588, p 11588 (2023) |
| بيانات النشر: | MDPI AG |
| سنة النشر: | 2023 |
| المجموعة: | Directory of Open Access Journals: DOAJ Articles |
| مصطلحات موضوعية: | shield tunneling, Kirchhoff plate theory, space effect, ground heave, diaphragm wall deformation, field monitoring, Technology, Engineering (General). Civil engineering (General), TA1-2040, Biology (General), QH301-705.5, Physics, QC1-999, Chemistry, QD1-999 |
| الوصف: | The ground surface deformation induced by shield tunnels passing through enclosure structures of existing tunnels is a particular underground construction scenario that has been encountered in Wuhan Metro Line 12 engineering cases in China. Timely ground deformation prediction is important to keep shield tunneling safe. However, the classic ground deformation theory is difficult to accurately predict for this ground deformation. This paper develops a semi-analytical method to predict ground heave considering the space effect in this engineering condition. Based on the improved ground deformation theory, a novel deformation prediction method for the ground and enclosure structure is derived and combined with Kirchhoff plate theory. Comparing with field deformation measurements, the maximum difference between the measured and calculated deformation is 14.6%, which demonstrates that the proposed method can be used to predict the ground heave induced by shield tunnels passing through the enclosure structure of existing tunnels. The parameters of the underground diaphragm wall used in Wuhan Metro Line 12 are further studied in detail. The results show that the ground heaves have a positive correlation with the embedded ratio of the diaphragm wall, but a negative correlation with its elastic modulus and thickness. However, the thickness and embedded ratio have a limited effect on ground heaves. This study provides a technical reference for optimizing the setting of enclosure structures in order to protect existing buildings. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| تدمد: | 2076-3417 |
| Relation: | https://www.mdpi.com/2076-3417/13/20/11588; https://doaj.org/toc/2076-3417; https://doaj.org/article/49990ba9dd354f7e8d590b6aba3e4ddb |
| DOI: | 10.3390/app132011588 |
| الاتاحة: | https://doi.org/10.3390/app132011588 https://doaj.org/article/49990ba9dd354f7e8d590b6aba3e4ddb |
| رقم الانضمام: | edsbas.F310CC73 |
| قاعدة البيانات: | BASE |
Full Text Finder | تدمد: | 20763417 |
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| DOI: | 10.3390/app132011588 |