Results 51 to 60 of about 53,166 (212)

Localization of Acoustic Emission Source in Rock Using SMIGWO Algorithm

International Journal of Coal Science & Technology
The Grey Wolf Optimization (GWO) algorithm is acknowledged as an effective method for rock acoustic emission localization. However, the conventional GWO algorithm encounters challenges related to solution accuracy and convergence speed.
Jiong Wei, Fuqiang Gao, Jinfu Lou, Lei Yang, Xiaoqing Wang   +4 more
doaj   +1 more source

Study on the evolution law of acoustic emission time series characteristics of coal-rock assemblage under true triaxial conditions

Frontiers in Earth Science
IntroductionThis study aims to investigate the fractal characteristics of acoustic emission (AE) signals during coal-rock rupture and their predictive significance for impact dynamic hazards.MethodsTrue triaxial loading/unloading tests were conducted on ...
Fuquan Gao, Chenyang Zhang, Chenyang Zhang, Lingchen Han, Yongxue Xia, Yongxue Xia, Quanwu Gao, Yiqun Zhou, Yiqun Zhou, Dingyi Li, Dingyi Li   +10 more
doaj   +1 more source

Explosions in Coal-Mines [PDF]

Science, 1887
openaire   +5 more sources

Coal roadway rapid driving technology and equipment with integrated drilling and anchoring and its application

Meitan xuebao
This paper analyzes the current situation and existing problems of coal roadway driving technologies and equipment, introduces the new mode, technology, equipment of coal roadway rapid driving with integrated drilling and anchoring and its underground ...
Hongpu KANG, Pengfei JIANG, Ziyue WANG, Xiaofeng ZHANG, Chang LIU, Chao LUO, Yaozhong WEI, Jichang GUO, Zhiliang CHEN, Rui WANG, Cundi HAN, Faquan LI, Zongke HE, Chao SU   +13 more
doaj   +1 more source

Fault analysis and maintenance of the hydraulic system of coal mining machinery [PDF]

, 2017
Qingsong Gu
openalex   +1 more source

Research and application of pressure relief technology for fracturing thick hard roof in super-high mining face

Meitan xuebao
Aiming at the problems of super-large mining space, strong ore pressure and ultra-high coal wall stability control faced by full-mechanized mining face with ultra-large mining height and thick hard roof, this paper takes the 122104 working face of ...
Yajun LEI, Yanjun FENG, Hongpu KANG, Futang ZHAO, Xiaoguang SHANG, Rui WANG, Peng WANG, Zhen ZHANG, Jianchao REN, Kaikai ZHAO, Yangfa ZHENG, Xiaogang LIU   +11 more
doaj   +1 more source

Application of domestic high-resolution satellite data On Geological Hazard Monitoring in Coal Mining Areas [PDF]

, 2018
Jie Wang, Hao Wang, Weiling Yao, Wang Haiqing, Li Li   +4 more
openalex   +1 more source

Research and application practice of digital intelligent technology and complete set of equipment for efficient coalmining

Meitan xuebao
Summarizing the current development status of intelligent and digital technologies in the coal industry, analyzing the new situations and requirements for research and application of intelligent technologies and complete sets of equipment for efficient ...
Guofa WANG, Jinhu ZHANG, Huaiwei REN, Yibo DU, Desheng ZHANG, Ruyu YAN, Xiang YU   +6 more
doaj   +1 more source

Coal Post-Mining Reclamation Using Pterocarpus Indicus [PDF]

, 2023
Nazula Nutayla, Amin Rejo, Rizky Tirta Adhiguna   +2 more
openalex   +1 more source

Mechanical behavior and failure mechanisms of rock bolts subjected to static-dynamic loads

International Journal of Mining Science and Technology
This study explores the effects of dynamic and static loading on rock bolt performance a key factor in maintaining the structural safety of coal mine roadways susceptible to coal bursts.
Hongpu Kang, Guiyang Yuan, Linpo Si, Fuqiang Gao, Jinfu Lou, Jinghe Yang, Shuangyong Dong   +6 more
doaj   +1 more source