Results 1 to 10 of about 53,166 (212)

Efficient Excavation and Support Cooperation Technology for Surrounding Rock of Deep Buried Long-Distance and Large Section Gob-Side Roadway: A Case Study

Geofluids, 2022
The gob-side roadway technology is widely used in coal mining in China, as it can improves the recovery rate of coal resources and alleviate the shortage of mining replacement.
Houqiang Yang, Changliang Han, Nong Zhang, Xudong Li, Yitao Liu, Wentao Liu, Kai Song, Yuxin Guo, Wei Yao   +8 more
doaj   +1 more source

Coal pillar burst mechanism and prevention based on local mine stiffness (LMS) criterion

Meitan kexue jishu
The frequent occurrence of coal burst seriously threatens the safe and efficient recovery of coal resources. The research on the mechanism of coal burst is the basis of prediction and disaster prevention.
Fuqiang GAO, Zhiguo LU, Xiangyuan PENG, Jinfu LOU, Shuwen CAO, Xiaoqing WANG, Chuang LU, Lei YANG   +7 more
doaj   +1 more source

Preset-Time Tracking Control for Nonlinear Cyber-Physical Systems Against Cyber Attacks

IEEE Access
In this article, we developed a novel preset-time adaptive fuzzy tracking control strategy to dispose of the preset-time tracking control issue for a family of nonlinear cyber-physical systems (CPSs), which are subject to spiteful actuator attacks ...
Zhiliang Chen, Wei Zhang, Ting Yu, Yijie Liu, Wang Ren, Kaixiong Zhu, Shilin Li   +6 more
doaj   +1 more source

Study on Mining Pressure Control of Deep Coal Seam——Based on Artificial Fault Technology [PDF]

, 2021
Xiaoding Xu, Yubing Gao, Manchao He, Qiang Fu, Xingjian Wei   +4 more
openalex   +1 more source

Process research and application of axial roof cutting technology of abrasive jet and fracture

Meitan xuebao
The large area overhanging of thick and hard roof is one of the critical reasons for inducing coal burst. Because of the shortcomings of deep borehole blasting and conventional hydraulic fracturing for the overhanging roof, the axial roof cutting ...
Yongxue XIA, Chenyang ZHANG, Taotao DU, Jinlong ZHOU, Ruda SUN, Chuang LU, Junfeng PAN   +6 more
doaj   +1 more source

Pressure law and roof control of near shallow buried super large mining height working face

Meitan kexue jishu
Aiming at the roof control problem of super-large mining height in near-shallow buried thick unconsolidated layers represented by Yushen Mining Area, the theoretical analysis, numerical simulation and field measurement are used to analyze the pressure ...
Xiaogang LIU, Zhen ZHANG, Qianjin LIU, Jianchao REN, Maofu LIU, Xingyu LIN, Rongshan MA   +6 more
doaj   +1 more source

Dynamic Evolution Law and Width Determination of Section Coal Pillars in Deep Mining Height Working Face [PDF]

, 2021
Lei Zhaoyuan, Feng Cui, Jianwei Liu, Lai Xing-ping, Yi Ruiqiang   +4 more
openalex   +1 more source

Key technologies of coal mine roadway adaptive dust cleaning robot

Meitan kexue jishu
In response to the problems of low automation levels, high water consumption, and poor effectiveness of dust cleaning in coal mines, a roadway dust cleaning robot is developed.
Huaiwei REN, Zhifeng WANG, Jie ZHOU, Shijun LI, Ziyan MA, Shuji ZHAO, Ming DU, Guoqing LI   +7 more
doaj   +1 more source

Test study on impact resistance of hydraulic support based on energy-absorbing material

Meikuang Anquan
The application of energy-absorbing material on the top beam of the hydraulic support can effectively improve its impact resistance under instantaneous dynamic loading.
Shiwei LI, Yajun XU, Jie ZHOU, Shangyu DU, Xiaoliang PANG, Sai ZHANG   +5 more
doaj   +1 more source

History of Coal Mining In Iowa & Coal Statistics [PDF]

, 1909
James H. Lees, Samuel Walker Beyer
openalex   +1 more source