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Changan Zhang, Jianlei Gao, Zhengzhong Wang and Chang Liu
More complex geological conditions could be encountered with the construction of urban subway projects. At present, many subway tunnels have been built in composite strata with upper soft and lower hard layers, but the presence of a cavity in the strata ...
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Hao Wu and Yongsheng Jia
In rock engineering, the dynamic loads caused by mechanical action and rock blasting have an extremely significant influence on the stableness of surrounding rock masses. To examine the impact of dynamic load on the mechanical properties and fracturing c...
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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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Amichai Mitelman, Beverly Yang, Alon Urlainis and Davide Elmo
In observational method projects in geotechnical engineering, the final geotechnical design is decided upon during actual construction, depending on the observed behavior of the ground. Hence, engineers must be prepared to make crucial decisions promptly...
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Dongshuai Tian and Hong Zheng
The Mohr-Coulomb (M-C) failure criterion has been a popular choice for geotechnical analysis because of its simplicity and ease of use. The fact that the M-C criterion disregards the intermediate principal stress?s impact is a significant drawback. As a ...
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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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Dong Yan, Jianguo Zheng, Xixi Huang and Tao Liu
A new type of grouting material?FCM (fast cementing material)?is being used in coastal and offshore infrastructure projects, such as harbor and tunnel rehabilitation. In order to investigate how this material performs under different conditions, the comp...
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Hongjie Gao, Weibin Ma, Wenhao Zou, Jinlong Zhang, Xinyu Li and Jiaqiang Han
With the implementation of the regional coordinated development strategy, traffic flow has grown explosively. The construction of a larger tunnel section becomes an effective way to solve the highway network?s insufficient transport capability problem. C...
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Morteza Esmaeili, Jafar Hosseini Manoujan, Jafar Chalabii, Farshad Astaraki and Majid Movahedi Rad
Tunnel face extrusion rigidity is an important factor for solving stress?strain problems in loose ground conditions. In previous studies, the effect of horizontal and vertical soil layering on tunnel excavation face stability in the presence of longitudi...
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Zhi Li, Haoyu Mao, Biao Li, Xiang Zhou, Guo Liao and Jianjun Chen
Numerous large hydropower projects have been built, are being built, or are planned to be developed in southwest China as a result of the increasing demand for clean energy in China?s social and economic development. Based on engineering geological data,...
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