Results 1 to 10 of about 50,060 (261)

Research on Surrounding Rock Stability Affected by Surrounding Rock Pressure and Rock Fracture under Blasting Vibration Load Action

Advances in Civil Engineering, 2022
The influence mechanisms of factors, such as high confining pressure and in situ stress caused by deep mining on the stability of surrounding rock of roadways, are complex. Particularly, the motion and energy release of the rock mass medium can be caused
Qingjie Qi, Shuai Huang, Yingjie Liu
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Classification of the Surrounding Rock Based on Image Processing Analysis and Transfer Learning [PDF]

Journal of Imaging
Currently, standardized classification methods of surrounding rock are relatively insufficient. The classification of surrounding rock mainly relies on the subjective judgment of technicians, leading to diverse evaluation results.
Yanyun Fan, Jiaqi Zhu, Hua Luo, Yaxi Shen, Shuanglong Wang, Xiaoning Liu, Dong Li, Chuhan Deng   +7 more
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Prediction method of TBM tunnel surrounding rock classification based on LSTM-SVM

Advances in Mechanical Engineering
TBM tunnel surrounding rock classification is a key indicator for supporting decision-making and ensuring safe construction. And predicting the surrounding rock type accurately in advance is of great significance for TBM intelligent construction.
Feixiang Liu, Mei Yang, Jie Ke
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Study on the in-situ modified support method of roadway surrounding rock under vertical impact load [PDF]

Scientific Reports
With the deepening of coal mining, the frequency and intensity of rock burst accidents are increasing. According to incomplete statistics, there have been over 200 rock burst accidents in tunnels in China alone from 2005 to 2024, resulting in more than ...
Heng Zhang, Su Liu, HaiYang Yi, Juntong Liu, Yan Qin, Yuqian Li, Yan Dong, Yong Cao, Fangchao Lu, Shaoshuai Guo, Tie Li, Yan Liu   +11 more
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Research on Deformation Mechanism of Underground Chamber Surrounding Rock Based on the Influence of Surrounding Rock Stress Path [PDF]

IOP Conference Series: Earth and Environmental Science, 2021
Abstract During the construction of the pumped-storage power station, problems such as the stability of the surrounding rock of the underground chamber of the powerhouse appeared, which put forward higher requirements for the safety of the construction of the project.
Guo mingqun, Liu yongqi, Jing youyan, Yan fuzhang, Wang yanbing, Liu haining   +5 more
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Optimization of Rockburst Risk Control Measures for Deeply Buried TBM Tunnels: A Case Study

Buildings, 2023
Choosing reasonable control measures for different intensity rockburst risks not only effectively prevents and mitigates rockburst risks but also reduces time and engineering investment costs.
Pengxiang Li, Jinshuai Zhao, Wankui Bu, Wenjing Niu, Pinpin Liu, Minghong Sun   +5 more
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Fine quality evaluation of surrounding rock of an underground hydropower station [PDF]

E3S Web of Conferences, 2020
Using RMR surrounding rock classification method, the surrounding rock quality of underground main powerhouse of a hydropower station is evaluated with a small evaluation unit. The results of surrounding rock classification show that the surrounding rock
Bao Xiaojun, Wang Zhiyuan, Ma Shuai, Liu Gao   +3 more
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Study on failure characteristics and control of soft rock roadway floor

Meitan kexue jishu, 2023
In order to study the regularity of floor heave deformation and instability of soft rock roadway under different horizontal stress boundary conditions, the return air roadway of 50213 working face of Guantun Coal Mine was taken as the engineering ...
ZHANG Jie, GAO Shoushi, LI Tong, HUANG Xiaoping, YANG Tao, WANG Zhanghui, HE Yifeng, HAN Jinbo   +7 more
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FDEM numerical study of the influence law of geostress on state and pressure of tunnel surrounding rock

Frontiers in Ecology and Evolution, 2023
Surrounding rock pressure is a crucial parameter in tunnel engineering design, and its calculation is a classic challenge. The surrounding rock pressure is influenced by geostress, but existing calculation methods often do not take into account the ...
Bo Hu, Bo Hu, Mingqing Xiao, Mingqing Xiao, Xiaodong Fu, Xiaodong Fu, Jian Yang, Jian Yang, Chen Xu, Chen Xu, Jiaming Wu, Jiaming Wu, Yongqiang Zhou, Yongqiang Zhou   +13 more
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Stability Analysis of Surrounding Rock During Construction of Mountain Integrated Pipe Gallery

Taiyuan Ligong Daxue xuebao, 2022
The stability of surrounding rock is an important concern in the investigation, design, and construction of mountain integrated pipe gallery. On the basis of the DK6+180 section of the Winter Olympics Integrated Pipe Gallery, the stability of surrounding
Honghu YUAN, Wenjie XIE, Hongen LI
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