Results 41 to 50 of about 53,166 (212)

Selection of an Optimum Anchoring Method of Composite Rock Stratum Based on Anchor Bolt Support Prestress Field

Applied Sciences
In order to make the anchor bolt support prestress field fully diffuse in the composite rock stratum, improve the overall bearing capacity of surrounding rock, and give full play to the role of active support of the anchor bolt, a self-made 1:1-scale ...
Yiqun Zhou, Jianwei Yang, Chenyang Zhang, Dingyi Li, Bin Hu   +4 more
doaj   +1 more source

Numerical analysis on the factors affecting post-peak characteristics of coal under uniaxial compression

International Journal of Coal Science & Technology
The post-peak characteristics of coal serve as a direct reflection of its failure process and are essential parameters for evaluating brittleness and bursting liability.
Zhiguo Lu, Wenjun Ju, Fuqiang Gao, Taotao Du   +3 more
doaj   +1 more source

Study on the Dynamic Development of Ground Fissures in Shallow Coal Seam Mining Under Ditch [PDF]

, 2021
zheng cheng
openalex   +1 more source

Research on intelligent conveying technology of 500 m ultra-long face scraper

Meitan kexue jishu
In the field of medium and thick coal seam mining, intelligent mining of ultra-long face is the development trend of coal mining technology, and intelligent transportation is an important part of it.Based on the summary of the problems of the scraper ...
Weixiu CUI, Runqing MU, Hongzhang XIE, Shiyuan YAN   +3 more
doaj   +1 more source

Study on the effect of mining height on overburden strata movement in longwall mining

International Journal of Coal Science & Technology
The mining height of a coal seam is a critical factor influencing the detachment, collapse, and formation of the collapse angle of the strata during strata movement. To clarify the mechanism by which mining height affects strata movement characteristics,
Ying Ma, Qunying Wu, Jinhong Yang, Fuqiang Gao, Jinfu Lou, Bingwei He, Jianzhong Li   +6 more
doaj   +1 more source

Optimal selection test of material ratio in the top of Ordovician limestone grouting reconstruction

Meitan kexue jishu
It is an effective method to reduce the risk of floor water inrush by grouting reconstruction and sealing of water channel on top of Ordovician limestone before deep confined water mining in Huabei type coal mine in China. The basic properties of fly-ash
Zhenli FAN, Lutong CAO, Fengda ZHANG, Xiwen YIN, Qiuyang ZHAO, Zhiwei ZHANG   +5 more
doaj   +1 more source

Real-Time Methane Prediction in Underground Longwall Coal Mining Using AI [PDF]

, 2022
Doga Cagdas Demirkan, Şebnem Düzgün, Aditya Juganda, Jürgen F. Brune, Gregory E. Bogin   +4 more
openalex   +1 more source

Geologic setting and water quality of selected basins in the active coal-mining areas of Ohio, 1987-88 [PDF]

, 1991
A.C. Sedam
openalex   +1 more source

Impact resistance performance of rockbolt system with(out) rubber cushion energy absorbing and buffering components

Meitan xuebao
The practice of impact resistance support in dangerous roadways has shown that energy absorbing and buffering components can improve the impact resistance performance of rockbolt support systems. A rubber cushion layer was used as an energy absorbing and
Zhiguo LU, Fuqiang GAO, Jinfu LOU, Shuangyong DONG, Xiangyuan PENG, Gang BAI, Xiaoqing WANG, Lei YANG, Yukai FU   +8 more
doaj   +1 more source

Study and application of dynamic response characteristics of support in full-mechanized top coal caving with large mining height

Meitan xuebao
The dynamic response characteristics of stope support include the information of support resistance increase and live column shrinkage, which is not only an important index to reflect the strength of mining pressure behavior in working face, but also the
Xingyu LIN, Gang XU, Zhen ZHANG, Xiaojin GAO, Xiaogang LIU, Qianjin LIU   +5 more
doaj   +1 more source