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A platform for research: civil engineering, architecture and urbanism
Evolution Process and Distribution Characteristics of Ground Displacement Induced by Shield Tunneling
With the improvement of ground deformation control induced by shield tunnel crossing construction, in-situ field monitoring was carried out considering the necessity of research on deep ground displacement. Also, field test data were analyzed compared with numerical simulation analysis. The results indicate that the evolution processes of settlement troughs at different depths are complicated. For the monitoring points over the tunnel central line, the phenomenon of obvious deformation delay and ground stratification occur especially for those close to the tunnel vault, and the vertical displacements exceed others’ until the shield tailskin passes the monitoring section. The displacement decreases as the horizontal distance from the central line increases and the whole settlement occurs with no obvious layered displacement existing beyond the tunnel excavation range. During the process of shield tunnelling, the ground displacements induced by the stages of shield passing through and shield tailskin leaving the monitoring points occupy 80–90% of the final settlement. The study can provide certain guidance for the establishment of deformation control in shield close tunnelling construction.
Evolution Process and Distribution Characteristics of Ground Displacement Induced by Shield Tunneling
With the improvement of ground deformation control induced by shield tunnel crossing construction, in-situ field monitoring was carried out considering the necessity of research on deep ground displacement. Also, field test data were analyzed compared with numerical simulation analysis. The results indicate that the evolution processes of settlement troughs at different depths are complicated. For the monitoring points over the tunnel central line, the phenomenon of obvious deformation delay and ground stratification occur especially for those close to the tunnel vault, and the vertical displacements exceed others’ until the shield tailskin passes the monitoring section. The displacement decreases as the horizontal distance from the central line increases and the whole settlement occurs with no obvious layered displacement existing beyond the tunnel excavation range. During the process of shield tunnelling, the ground displacements induced by the stages of shield passing through and shield tailskin leaving the monitoring points occupy 80–90% of the final settlement. The study can provide certain guidance for the establishment of deformation control in shield close tunnelling construction.
Evolution Process and Distribution Characteristics of Ground Displacement Induced by Shield Tunneling
Environ Sci Eng
Mendonça, Paulo (editor) / Estevez, Alberto T. (editor) / Chang, Yuan (editor) / Meng, Lingfeng (author) / Jiang, Hua (author) / Jiang, Yusheng (author) / Zhang, Jinxun (author) / Lv, Yong (author)
International Conference on Green Building ; 2023 ; Stockholm, Sweden
2023-10-18
11 pages
Article/Chapter (Book)
Electronic Resource
English
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