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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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Yang Cheng and Liangliang Zhang
Uniaxial and five conventional triaxial compression tests were conducted on sandstone to obtain the evolution laws of the input energy density, elastic strain energy density, and dissipative energy density. The input and dissipative energy densities incr...
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Xiuying Wang, Zhongsheng Tan, Qinglou Li and Weihan Zheng
The primary support structure of a tunnel often needs various support methods, such as bolts, steel arch frames, and shotcrete. It is of great significance to quickly calculate the displacement of tunnel walls and the bearing capacity of primary supports...
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Rongjin Li, Weishi Bai, Rongjian Li and Jinshuo Jiang
The development of an effective evaluation method suitable for loess-tunnel excavation is necessary to avoid the collapse accidents caused by tunnel excavation and any secondary disasters. Although the Fenner formulas and the modified Fenner formulas are...
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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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Xueliang Jiang, Wenjie Liu, Hui Yang, Zhenyu Li, Wenchen Fan and Feifei Wang
Although the current ecological engineering technology can reinforce shallow landslides, it cannot reinforce deep landslides. A new type of ecological engineering technology-living tree stump slope protection was developed, aiming at the deficiency of cu...
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Xinlong Zhou, Dashun Fu, Juan Wan, Henglin Xiao, Xinyue He, Zhengxuan Li and Qixiang Deng
Vegetation slope protection plays an important role in improving the slope stability and protecting the environment. In this study, the mechanical properties of root?soil composites in different growth periods and their effects on slope stability were in...
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Guisen Wang, Baoning Hong, Xin Liu, Dongning Sun, Zhiwei Shao and Yunlong Yao
While post-grouting is frequently reported to improve the engineering performance of piles, the shear strength of the soil around piles is not well understood. To investigate the strengthening mechanism of soil around piles with permeation grouting, labo...
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Elide Nastri and Paolo Todisco
Sometimes it is difficult to choose the most appropriate failure criterion for the problem analyzed. For brittle materials, attention must be paid to the availability of experimental data and the calibration of the representative parameters, within the c...
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Xiaofeng Sun, Qiaobo Hu, Yanlong Li, Mingtao Chen and Yajuan Zhang
The mechanical properties of hydrate-bearing strata in clayey-silt sediments are significantly different from those of either conventional reservoirs or hydrate-bearing sandy sediments, which poses great challenges for wellbore stability analyses. The st...
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