Study on Failure Characteristics and Reasonable Mining Parameters of Upward Mining of Integrated Coal Mine by Fengfeng Wu, Bo Lv, Jian Zhang, Zhiqiang Gao, Shibao Liu, Qingcong Zhou

“…In order to avoid the problem of repeated repair of roadways in the upper mining area of upward mining in the integrated mine, taking the roadways in the 302 mining area of Shancheng Coal Mine as the research object, the failure characteristics of overlying strata and the evolution characteristics of roadway plastic zone in the mining process of underlying coal seam were studied by combining theoretical analysis, numerical simulation, and engineering measurement. …”
Get full text

Controlled Roof Collapse during Secondary Mining in Coal Mines by Ashleigh Hutchinson

“…The problem considered is an investigation of the possible collapse of the roof between the pillar next to be mined in secondary coal mining and the first line of pillar remnants called snooks. …”
Get full text

Stress Evolution Mechanism and Control Technology for Reversing Mining and Excavation under Mining-Induced Dynamic Pressure in Deep Mine by Jiyu Wang, Fangtian Wang, Xigui Zheng

“…In order to alleviate the relationship between mining and roadway, the 3204 working face and the 3206 roadway in Shanxi Taitou coal mine are taken as an example, and the width of mining and the support parameters of mining while reversing mining and excavation under dynamic pressure are optimized. …”
Get full text

Optimization of Stope Structure Parameters Based on the Mined Orebody at the Meishan Iron Mine by Mingzhi Sun, Fengyu Ren, Hangxing Ding

“…Based on the engineering background of the Meishan iron mine with sublevel caving (SLC) method, in this work, we adopted the method for identifying the shape of mined orebody (the original location in blasted slice), which analyzed and determined reasonable stope structure parameters. …”
Get full text

Numerical Study on 4-1 Coal Seam of Xiaoming Mine in Ascending Mining by Lan Tianwei, Zhang Hongwei, Li Sheng, Han Jun, Song Weihua, A. C. Batugin, Tang Guoshui

“…Coal seams ascending mining technology is very significant, since it influences the safety production and the liberation of dull coal, speeds up the construction of energy, improves the stability of stope, and reduces or avoids deep hard rock mining induced mine disaster. …”
Get full text

Theoretical Analysis of Mining Induced Overburden Subsidence Boundary with the Horizontal Coal Seam Mining by Weitao Yan, Junjie Chen, Yi Tan, Wenzhi Zhang, Lailiang Cai

“…The overburden subsidence induced by underground mining has caused great damage to the ecological environmental and seriously threatens the safe use of underground structures. …”
Get full text

Mining Failure Response Characteristics of Stope Floor: A Case of Renlou Coal Mine by Jucai Chang, Dong Li, Kai He

“…Therefore, accurate determination of the failure floor position is necessary to perform multiple-seam mining. In this study, the 7255 working face of the Renlou coal mine is regarded as the research object. …”
Get full text

Design and Application of Automatic Control System for Fully Mechanized Mining Face in Coal Mine by Zhi Yuan, Huanlei Chi, Yan Cao

“…In order to improve the automatic control effect of fully mechanized mining face in coal mine, this paper combines the literature research method to analyze the disadvantages of traditional research and combines the demand analysis to analyze the structure of the automatic control system of fully mechanized mining face in coal mine. …”
Get full text

A dehazing and enhancement algorithm for heterogeneous images of underground mining environments in coal mines by Xuhui ZHANG, Yanbin XIE, Wenjuan YANG, Chao ZHANG, Jicheng WAN, Zheng DONG, Yanqun WANG, Jie JIANG, Long LI

Subjects: Get full text

Study on the Ground Movement in an Open-Pit Mine in the Case of Combined Surface and Underground Mining by Zhenwei Wang, Gaofeng Song, Kuo Ding

“…The combined surface and underground mining method is typically used in an open-pit mine for better production and profits. …”
Get full text

Fracturing of the Soft Rock Surrounding a Roadway Subjected to Mining at Kouzidong Coal Mine by Zhili Su, Wenbing Xie, Shengguo Jing, Xingkai Wang, Qingteng Tang

“…In this paper, both field investigation and numerical simulation were taken to study the fracture evolution and rock deformation of a coal mine roadway at Kouzidong mine, Fuyang, Anhui Province, China. …”
Get full text

Rock Mechanics Characteristics Test and Optimization of High-Efficiency Mining in Dajishan Tungsten Mine by Kang Zhao, Shuijie Gu, Yajing Yan, Qiang Li, Wanqi Xiao, Guoqing Liu

“…It is suggested that the second scheme should be adopted for mines (18 m for ore room and 7 m for ore pillar), which provides scientific guidance for the safe and efficient mining of mines.…”
Get full text

Integrated Positioning for Coal Mining Machinery in Enclosed Underground Mine Based on SINS/WSN by Qigao Fan, Wei Li, Jing Hui, Lei Wu, Zhenzhong Yu, Wenxu Yan, Lijuan Zhou

“…Firstly, the shearer movement model is built and running regularity of the shearer in coal mining face has been mastered. Secondly, as external calibration of SINS using GPS is infeasible in enclosed underground mine, WSN positioning strategy is proposed to eliminate accumulative error produced by SINS; then the corresponding coupling model is established. …”
Get full text

Rebound Mechanism and Control of the Hard Main Roof in the Deep Mining Roadway in Huainan Mining Area by Denghong Chen, Chao Li, Xinzhu Hua, Xiaoyu Lu, Yongqiang Yuan, Chen Li

“…Taking the occurrence conditions of the hard main roof in the deep 13-1 coal mining roadway in Huainan mining area as the research object, based on the mechanical parameters of the surrounding rock and the stress state of the main roof obtained by numerical simulation, a simply supported beam calculation model was established based on the damage factor D, main roof support reaction RA, RB, and critical range C (9 m) and B (7 m) at the elastoplastic junction of the solid coal side and mining face side (hereinafter referred to as “junction”). …”
Get full text

Mine Land Reclamation and Eco-Reconstruction in Shanxi Province I: Mine Land Reclamation Model by Hao Bing-yuan, Kang Li-xun

“…In this assay, we will talk about the basic mode of land reclamation in mine area, the engineering study of mine land reclamation, the comprehensive model study of mine land reclamation, and the design and model of ecological agricultural reclamation in mining subsidence.…”
Get full text

Toward Sustainable Mining: Repurposing Benguerir’s Phosphate Mine Waste Rock for Road Subgrade Construction by Inabi Omar, Khalil Abdessamad, Benzaazoua Mostafa, Taha Yassine

“…Road construction may find use for Phosphate Mine Waste Rocks (PMWR) as an alternate secondary raw material source. …”
Get full text

Simulation Research for the Influence of Mining Sequence on Coal Pillar Stability under Highwall Mining Method by Jing Huang, Fanbao Meng, Ge Wang, Yingkui Wu, Jinhao Wen

“…According to existing highwall mining methods, the mining sequence has a great influence on highwall stability. …”
Get full text

The Cause of Drop of the Water Level of Underground Quaternary Aquifer of a Mine under Mining Influence by Xianghong Liu

“…Water outburst on the coal mining face will result in the shutdown of the working face, tense mine connection, a sharp increase in mine drainage fee, and serious impact on normal production. …”
Get full text