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Jiancong Xu, Chen Sun and Guorong Rui
How to evaluate the reliability of deep soft rock tunnels under high stress is a very important problem to be solved. In this paper, we proposed a practical stochastic reliability method based on the third-generation non-dominated sorting genetic algorit...
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Dong Ma, Zhongsheng Tan, Linlin Bian, Baojin Zhang and Jinpeng Zhao
In constructing high-geo-stress soft rock tunnels, the major deformation disaster of the surrounding rock has always been the main problem faced during construction. The research on the deformation and loose zone characteristics of large deformation tunn...
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Sensen Song, Shuguang Li, Yanling Liang, Runke Huo, Zhanping Song, Zizhen Miao and Ziyi Song
During the excavation process of a large-span variable cross-section of a tunnel, the deformation and stress characteristics of the surrounding rock supporting the structure are complex, and construction control is difficult. Based on an actual tunnel pr...
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Ning Sun, Xiaokai Li, Shanggao Li, Dake Hu, Mengjiao Hu, Faming Zhang, Yiyan Zhong, Menglong Dong and Zinan Li
The surrounding rock stability of large underground caverns in a pumped storage power station is one of the most crucial problems in hydropower project design and construction. In the construction of hydropower projects in Southwest China, many undergrou...
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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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Zhijie Sun, Pengfei Li, Xiuli Du and Xuanyu Yang
There are a large number of structural planes distributed in the surrounding rock of a tunnel, and this is one of the key factors causing a tunnel?s instability. Due to different geological and historical conditions, the distribution characteristics and ...
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Zuliang Zhong, Tenglong Tang and Yapeng Li
The mechanical properties of the surrounding rock of the Xigeda stratum are easily affected by water content. In order to obtain the support characteristics of Xigeda strata, the finite difference method was used to obtain the longitudinal deformation of...
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Hisashi Hayashi, Yasuyuki Okazaki, Daisuke Sakai, Shingo Morimoto and Masato Shinji
In tunnel construction in gravel-mixed ground, it is extremely important to predict the risk of gravel dropout and the accompanying large deformation of the substrate ground. The distribution and shape of gravel vary, and it is difficult to reproduce the...
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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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Yimin Wu, Haiping Wu, Dinghai Chu, Sheng Feng, Junjian Zhang and Haoran Wu
In waterproofing mountain tunnels, the tunnel joint is the weak link. To explore the waterproof failure mechanism of the tunnel joint waterstop belt and to propose an optimization method for the waterstop belt, this paper combines tests and numerical sim...
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