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Entong Du, Lei Zhou and Ruizhen Fei
In the construction of a shield crossing an existing mined tunnel without load, it is imperative to develop corresponding design standards that reflect actual engineering force characteristics to ensure the successful completion of the tunnel constructio...
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Hongzhi Cui, Ran Tao, Jun Shen, Xianlong Wu, Xiaohua Bao, Ziming Liu and Xiangsheng Chen
Shield tunnels can experience preload loss in their connecting bolts during the operational phase, leading to changes in tunnel structure stiffness, which, in turn, affect the seismic performance of shield tunnels. A refined three-dimensional model of sh...
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Ping Lou, Weixiong Huang and Xinde Huang
Research on tunnel excavation has rarely considered the effect of the tunnel excavation on a complete building. Therefore, this paper considered a building with a double basement and piles, and a three-dimensional finite-element model for shield tunnels ...
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Feilong Li, Jianjun Luo, Dengke Wang and Lei Wang
The characteristics of the aerodynamic effects of high-speed trains passing in a shield tunnel were studied using the three-dimensional, compressible, unsteady Reynolds-averaged Navier-Stokes (RANS) equations for the simulation analysis. Numerical calcul...
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Ahmed Elgamal and Nissreen Elfaris
Underwater tunnel structures are vital in urban areas, and their use is continuously increasing. The engineering assessments for these impressive phenomena have to be performed from both geotechnical and structural engineering perspectives. The designer ...
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Zhongzheng Wang, Dalong Jin and Chenghua Shi
This study aims to investigate the effect of the spatial variability of grouting-layer thickness on ground-surface settlement caused by shield tunneling and to provide a rational prediction method. The spatial characteristics of grouting layers were obta...
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Yajian Wang, Yuyou Yang, Fei Su and Linbing Wang
This study could provide a shield lining joint leakage calculation and analysis model.
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Weixi Zhang, Wouter De Corte, Xian Liu and Luc Taerwe
(1) In quasi-rectangular tunnels, a new type of special-section shield tunnels, the effect of nonlinear joint behavior is much more important than in circular tunnels. (2) An iterative nonlinear spring-beam model for the prediction of lining deformations...
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Tao Wang, Yu Xiang, Liyuan Liu and Wang Xiong
Relying on the Mawan undersea large-diameter, dual-line, mud?water-balanced shield tunnel project and focusing on the characteristics of the tunnel, such as the complex geological conditions at the expected intersection location and the existence of a su...
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Yue Jiang, Yanlin Li, Aijun Yao, Xiangzhi Gao and Hui Li
In recent years, there has been a rise in the construction of expansive underground structures and shield tunnels with exceptionally large diameters. These projects introduce unique challenges regarding their impact on the surrounding soil and structures...
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Hui Hu, Tao Xue, Jianjun Li, Peisi Liu, Bo Wang and Yun Liu
There are many problems in the development of urban space in China. Among them, urban tunnels generally pass through many sections with very complicated geological conditions, and the construction will encounter great difficulties, so the mechanical beha...
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Xuwei Zhao, Jia Li, Wei Liu and Wenge Qiu
The engineering technology of undercrossing an airport flight area is relatively mature; however, the use of shield tunnels crossing the operating airport flight area in high liquidity sandy cobble stratum has rarely been reported. To discuss the feasibi...
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Gang Wei, Pengfei Xiang, Haibo Jiang, Di Sun, Fengjun Xu and Huifang Guo
For the effect of two-sided sudden surcharge/unloading on existing shield tunnels, an indoor dimensional reduction model test was conducted at a scale of 1:15.5, measuring the ground settlement, lateral convergence of the shield tunnel, and additional su...
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Wen Zhao, Peng-jiao Jia, Lin Zhu, Cheng Cheng, Jianyong Han, Yang Chen and Zhi-guo Wang
Double-O-tube shield tunneling has attracted increasing attention because it offers cost-efficiency in underground construction. Prediction of ground surface settlement and the variety of additional stresses induced by shield construction is crucial to u...
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Jinjin Ge, Ying Xu and Weiwei Cheng
The shield tunnel of the Kunming subway crosses beneath the Kun-Shi Railway. Due to the high requirements of railway track for settlement control, this article proposes the following technical measures for controlling the settlement based on the analysis...
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Jinjin Ge, Ying Xu, Weiwei Cheng
Pág. 1 - 10
The shield tunnel of the Kunming subway crosses beneath the Kun-Shi Railway. Due to the high requirements of railway track for settlement control, this article proposes the following technical measures for controlling the settlement based on the analysis...
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Bo Yang, Chengyao Zhang, Na Su and Zhaoran Xiao
In contrast to straight tunnels, the mechanisms of displacement of surrounding soil induced by shield excavation of small radius curved tunnels are more complex. Based on field monitoring data of surface settlement and horizontal displacement of a small ...
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Bingyu Han, Dajun Yuan, Teng Wang and Zhongxin Wang
The Jinan Jiluo Road Crossing the Yellow River Tunnel North Extension Project will intersect the Queshan reservoir, which currently supplies 60% of the domestic water in Jinan City. During the excavation process of the large-diameter slurry type shield u...
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Jianwei Yang, Changdong Liu, Peishan Liu and Yue Zhao
Cracks are one of the most common diseases of tunnel lining, and the structural dynamic response can be used to assess the health of a tunnel. Hence, this paper investigates the dynamic response of shield tunnel lining with a partly circumferential crack...
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Xinyu Li, Dingli Zhang and Yanjuan Hou
With the increasing intensity of underground development, the planned metro lines will inevitably pass through water-rich soft stratum. The existing research results show that shield tunneling in water-rich stratum is prone to ground settlement and segme...
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