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Classification of the Surrounding Rock Based on Image Processing Analysis and Transfer Learning [PDF]

open access: yesJournal 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   +7 more
doaj   +2 more sources

Fine quality evaluation of surrounding rock of an underground hydropower station [PDF]

open access: yesE3S 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   +3 more
doaj   +2 more sources

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

open access: yesAdvances 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
doaj   +2 more sources

Space-Time Evolution Characteristics of Deformation and Failure of Surrounding Rock in Deep Soft Rock Roadway

open access: yesSustainability, 2022
In view of the problems of large deformation of surrounding rock, high in-situ stress, and serious soft fracture of rock stratum in deep soft rock roadway, the instability deformation failure mode of deep soft rock roadway is analyzed theoretically.
Xinfeng Wang   +2 more
exaly   +2 more sources

Dynamic Monitoring and Stability Analysis of Rock-bolted Crane Girder In large Cavern With Layered Surrounding Rock [PDF]

open access: yesE3S Web of Conferences, 2020
The large and medium-sized hydropower projects underground cavern group are basically in relatively integrate surrounding rock, so there are few engineering examples in layered surrounding rock with type III surrounding rocks as the main rock, and lack ...
Liu Jing   +3 more
doaj   +2 more sources

Temperature field distribution of burnt surrounding rock in UCG stope

open access: yesInternational Journal of Mining Science and Technology, 2014
In order to study temperature field distribution in burnt surrounding rock and to determine ranges of burnt surrounding rock, coal-wall coking cycle and heat influence in the underground coal gasification (UCG) stope, based on the Laplace transform and ...
Lin Xin, Guojun Kang, Jianhua Wang
exaly   +2 more sources

Research on crack distribution characteristics and control technology of surrounding rock in soft rock roadway under different lateral pressure coefficients

open access: yesEnergy Science & Engineering
To solve the problem of controlling large deformation of surrounding rock in deep soft rock roadway, the distribution characteristics and deformation mechanism of surrounding rock cracks in soft rock roadway under different lateral pressure coefficients ...
Yujie Ma   +5 more
doaj   +2 more sources

Instability characteristics of surrounding rock and surrounding rock control technology of deep coal roadway crossing the fault: a case study of Zhuxianzhuang coal mine

open access: yesGeomatics, Natural Hazards and Risk
To prevent severe damage to the surrounding rock of the roadway under the high ground pressure within deep mining, the stress evolution of the surrounding rock was studied, and the surrounding rock control technology in the II1057 roadway of ...
Huaibin Li, Xinzhu Hua, Bo Luan
exaly   +2 more sources

Study on the in-situ modified support method of roadway surrounding rock under vertical impact load [PDF]

open access: yesScientific 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   +11 more
doaj   +2 more sources

Optimization of Rockburst Risk Control Measures for Deeply Buried TBM Tunnels: A Case Study

open access: yesBuildings, 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   +5 more
doaj   +1 more source

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