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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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Xiaoyu Tang, Wen Wan, Zhenxing Lu and Wei Chen
To investigate the influence of non-singular terms (T stress) in the stress field on the composite fractures of hard rock Type I?II, such as rock splitting failure and hydraulic fracture propagation, this study focused on hard rocks in metallic mines. Th...
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Kun Zhang, Pengbo Chang, Jianxi Ren, Zheng Liu and Ke Wang
The fractured rock mass in the western cold region is affected by freezing and thawing disasters and is prone to local damage and fracture along the fissures? ends. The fatigue damage induced by repeated frost heave and traffic loads seriously endangers ...
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Yadong Zheng, Lianying Zhang, Peng Wu, Xiaoqian Guo, Ming Li and Fuqiang Zhu
The physical and mechanical properties of rocks change significantly after being subjected to high temperatures, which poses safety hazards to underground projects such as coal underground gasification. In order to investigate the effect of temperature o...
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Xiaokai Li, Xiaolong Zhang, Faming Zhang, Jian Huang, Shixiong Tang and Zhiqing Liu
The mountainous areas of Southwest China have the characteristics of valley deep-cutting, a large topographic gradient, complex geological structures, etc. With the development of infrastructure construction in the area, the construction of bridges acros...
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Chuan Li, Haichun Wang, Yunsheng Wang, Lulu Wang, Xi Yang and Xiaorong Wan
Fracture zones in front of tunnel faces can easily cause falling blocks and landslides during the construction process. Using seismic waves and ground-penetrating radar (GPR) data, we extracted the features of fracture zones and achieved the advanced pre...
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Longyong Shu
This study aimed to examine gas extraction technology in the goaf of an L-shaped borehole in the mining fissure zone of a short-distance coal seam group. The numerical simulation method was used to analyze the failure law of overlying rock during mining,...
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Zeqi Zhu, Lan Cui, Youkou Dong, Qian Sheng, Kaiwei Tian and Zhenshan Guo
In order to study the deformation and stability of a fractured rock mass, existing research suggests that fracture deformation, which is usually obtained by evaluating the equivalent deformation modulus, dominates the deformation of a fractured rock mass...
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Xiaowu Huang, Jian Guo, Yusong Miao, Xianqi Xie, Yujin Li, Hailiang Wang and Feifei Huang
The surrounding rock during a coal mine excavation is prone to significant engineering disasters such as considerable deformation and rock bursts. Pressure release can improve the stress field of a deep rock mass and prevent the occurrence of dangers suc...
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Jun Zhang, Shengdong Liu, Cai Yang and Juanjuan Li
The deformation and fracturing of coal rock is a crucial part of coal and rock dynamic disasters and is accompanied by variations in the electrical field of the rock. In this study, the self-potential characteristics of coal rock were measured to dynamic...
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