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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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Jianye Li, Qian Fang, Xiang Liu, Jianming Du, Gan Wang and Jun Wang
This article investigates and presents a case study on the Beijing Subway Line 12 excavation beneath the existing Qinghuayuan Tunnel. The composite pre-reinforcement technique was used in conjunction with the shallow tunneling method to control the disto...
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Yuan Mei, Dongbo Zhou, Wenyan Shi, Yuhang Zhang and Yu Zhang
Due to the large cross-section design of large-diameter shield tunnels, most of the rocks and soils it crosses are composite strata with upper soft and lower hard. In order to reduce the construction cost of shield working shafts, large-diameter shield l...
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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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Jonguk Kim, Jung-joo Kim, Hafeezur Rehman and Hankyu Yoo
The non-open-cut method is used for constructing tunnels under existing roads without blocking traffic. Various non-open-cut methods use pipe roofs made of medium- and large-diameter steel pipe piles. However, the risk of ground settlement or heave is in...
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