Results 91 to 100 of about 5,124 (199)

An Adaptive Response Surface Methodology for Determining Coal Pillar Width in Geologically Variable Longwall Panels

Geofluids, Volume 2026, Issue 1, 2026.
Simulation‐based approaches are increasingly vital for addressing complex design challenges in underground coal mining, a domain where longwall pillar design is critically challenged by geological variability, and conventional methods lack adaptive capacity. This study develops a responsive design framework integrating response surface methodology (RSM)
Sen Yang, Zhe He, Yang Xu, Xin Yu, Yuxin Yuan, Zhiwen Chen, Hui Lu   +6 more
wiley   +1 more source

Mechanism and Prevention of Rockburst in Steeply Inclined and Extremely Thick Coal Seams for Fully Mechanized Top-Coal Caving Mining and Under Gob Filling Conditions

Energies, 2020
The steeply inclined and extremely thick coal seams (SIETCS) under the condition of gob filling frequently suffer from the occurrence of rockbursts. Figuring out the mechanisms of rockbursts under this condition for taking targeted measures to mitigate ...
Shengquan He, Da-zhao Song, Zhenlei Li, Xueqiu He, Jianqiang Chen, Taoping Zhong, Quan Lou   +6 more
semanticscholar   +1 more source

Coal–Rock Damage and Subsidence Control Technology in Deep‐Mine Strip Mining Under Large Mining Heights

Geofluids, Volume 2026, Issue 1, 2026.
A comprehensive approach incorporating field measurements, theoretical analysis, and numerical simulations was adopted to determine the strip‐mining parameters for mining under large mining heights in kilometer‐deep coal seams and achieve protective mining.
Jiang Shuyin, Guo Wenbing, Li Xingyu, Yang Jie, Ni Huining, Yang Chao, Chai Yixuan, Ma Qi, He Yongliang   +8 more
wiley   +1 more source

Current status and prospects of surrounding rock control and intelligent coal drawing technology in fully mechanized caving face

Gong-kuang zidonghua
This paper analyzes the current status and existing issues in the control technology of surrounding rock and intelligent top coal caving technology for thick and ultra-thick coal seams in fully mechanized caving faces.
PANG Yihui, GUAN Shufang, JIANG Zhigang, BAI Yun, LI Peng   +4 more
doaj   +1 more source

Modeling the Speed‐Induced Key Block Motion and Support Resistance in Longwall Mining With a Multilayer Hard Roof: Insights From the Xiaojihan Coal Mine

Geofluids, Volume 2026, Issue 1, 2026.
To theoretically explain and quantify the effect of advancing speed (ADS) on ground pressure (GP) behavior, the 13,218 working face of the Xiaojihan Coal Mine (XCM) was taken as the engineering case. Field measurements and theoretical analysis were combined to examine how changes in ADS influence the roof structure and the support resistance ...
Hui Gao, Xiaopeng Duan, Xufeng Wang, Yuanman Xie, Enqiang Liu, Xuyang Chen, Chenlong Qian, Pramita Mishra   +7 more
wiley   +1 more source

Exploration and Comprehensive Treatment Technology of Overburden Fracture in UnderlyingGoaf of Reservoir

Meikuang Anquan, 2020
Taking the grouting filling treatment project in the goaf of 8712 working face of Huoshizui Coal Mine as the background, based on the theory of mining subsidence and the method of combining borehole wave velocity test and pressure water test, the ...
HUANG Jianfeng, WU Zhang, WANG Yutao, DUAN Peiran, LI Yongqiang, ZHANG Hao
doaj   +1 more source

The spatiotemporal evolution patterns of thermal environment in fully mechanized caving faces of deep mine

Thermal Science
With the increase in mine depth, the original rock temperature rises under the influence of the geothermal gradient. High temperature surrounding rock heat dissipation leads to an increase in working face temperature, seriously affecting mining production safety. Using distributed fiber optic temperature measurement to study the thermal characteristics
Shangming Liu, Li Ma, Gaoming Wei, Xixi Liu   +3 more
openaire   +1 more source

Research on the Reasonable Width of Section Coal Pillar in Ultralong Working Face Influenced by Mining Pressure

Shock and Vibration, Volume 2026, Issue 1, 2026.
Aiming at the technical problem of the section coal pillar width in ultralong fully mechanized mining face under the influence of dynamic pressure, taking 11207 face in Yuandatan Coal Mine as the engineering background, the stress distribution and failure characteristics of surrounding rock under different sections of coal pillar in Yuandatan Coal Mine
Ying Ma, Li-xin Zhao, Lun Wang, Yun-hu Bai, You Tong, Tao-tao Liu, Xiao-meng Li, Li-hui Sun, Yu-kun Qin, Liang-ping Liu, Tianshou Ma   +10 more
wiley   +1 more source

Critical technologies in the construction of underground artificial chamber for compressed air energy storage systems

Deep Underground Science and Engineering, Volume 4, Issue 4, Page 513-529, December 2025.
This schematic illustrates an artificial chamber‐based compressed air energy storage system. Excess electricity compresses air into sealed underground chambers. During demand peaks, pressurized air is heated, expanded, and drives turbines to generate power.
Jifang Wan, Mingyin Li, Rui Zhao, Wendong Ji, Jingcui Li, Maria J. Jurado, Yangqing Sun   +6 more
wiley   +1 more source

Study on thin bedrock deformation and strata behavior in coal seam mining under ultra-thick unconsolidated strata

Gong-kuang zidonghua, 2018
Taking No.12051 fully-mechanized coal face of Zhaogu No.1 Coal Mine as research object, thin bedrock deformation and strata behavior in coal seam mining under ultra-thick unconsolidated strata were studied by use of UDEC numerical simulation software ...
ZHAI Xinxian, LYU Chao, TANG Shijie, YU Chunsheng   +3 more
doaj   +1 more source