Results 1 to 10 of about 29,743 (124)

Technology and application of damage reduction mining and ecosystem restoration of open-pit coal mines in eastern grassland area

Meitan kexue jishu, 2023
The eastern grassland region is an important coal energy base in China, and coal development has made great contributions to the energy security supply of the northeast region and the economic development of China. In response to the problems of cold and
LI Quansheng, LI Lin
doaj   +2 more sources

Technological innovation and engineering practice of damage reduction mining and ecosystem restoration in open-pit coal mine

Global Sustainability
Non-technical summary To address the issues of declining groundwater levels and the degradation of soil ecological functions caused by open-pit coal mining in China.
Quansheng Li, Xiaobin Li
doaj   +2 more sources

Research and Application of Damage Zoning Characteristics and Damage Reduction Techniques in High-Intensity Mining Strata of the Shendong Mining Area

Applied Sciences
With the increase in mining intensity and scale, the damage to groundwater resources and surface ecology caused by coal mining has become the main problem facing coal development.
Yongqiang Zhao, Xiaolong Wang, Jie Fang, Jianqi Ma, Mengyuan Li, Xinjie Liu, Jiangping Yan   +6 more
doaj   +2 more sources

Coal mining-induced composite damage to geological bodies and geological guarantee against damage reduction

Meitian dizhi yu kantan
Objective and Background Coals have long served as a predominant energy source in China. With an increase in mining scale and intensity in recent years, the correlations between rocks, soils, hydrosphere, and ecological environment in coal mining areas ...
Shuangming WANG, Qiang SUN, Xin HU, Jishi GENG, Enke HOU, Shengquan WANG, Shutao ZHOU, Qingmin SHI, Shihao YUAN, Kai CHEN, Shijie SONG   +10 more
doaj   +2 more sources

Formation and evolution law of high-intensity mining ground fissures and damage reduction method

Meitan xuebao
High-intensity mining in the Shendong mining area has caused serious overburden and surface damage, which threatens the ecological security of the mining area.
Xiaobin LI, Quansheng LI, Fulian HE, Cun ZHANG, Penghua HAN, Yong ZHANG, Zhaopeng REN, Chuanjiu ZHANG, Yang WU   +8 more
doaj   +2 more sources

Surface damage reduction effect of ultra-high working face in Shangwan coal mine

Scientific Reports
Green mining is the basic background of high-quality mining, and source reduction is the most important part, among which the optimization of working face height and length is the most active.
L. I. U. Xinjie, Yang Yingming, Zhao Yongqiang, WANG Xiaolong, Liu Gang, Xu Zhuhe   +5 more
doaj   +3 more sources

Failure mechanisms of energy redistribution in excavation roadways: experimental and numerical investigation [PDF]

Scientific Reports
The persistent occurrence of rock burst phenomena during roadway excavation poses a critical safety challenge in modern underground mining operations.
Yujie Peng, Anye Cao, Qi Hao, Guowei Lyu, Chengchun Xue, Xianxi Bai   +5 more
doaj   +2 more sources

Research on Prevention and mitigation of Deep Mine Hazards in Ningzheng Mining Area [PDF]

E3S Web of Conferences, 2019
Ningzheng Mining Area, as one of the key mining areas of Longdong Energy Base in Gansu Province, whose average overburden depth of coal seams is more than 800 meters and average thickness of coal seams ranges from 8m to 14m.
Yu Lan, Yang Rili, Zheng Chao, Li Shuang
doaj   +1 more source

A Prediction Method for Height of Water Flowing Fractured Zone Based on Sparrow Search Algorithm–Elman Neural Network in Northwest Mining Area

Applied Sciences, 2023
The main Jurassic coal seams of the Ordos Basin of northwest mining area have special hosting conditions and complex hydrogeological conditions, and the high-intensity coal mining of the coal seams is likely to cause groundwater loss and negative effects
Xicai Gao, Shuai Liu, Tengfei Ma, Cheng Zhao, Xichen Zhang, Huan Xia, Jianhui Yin   +6 more
doaj   +1 more source

A Comprehensive Set of Cooling Measures for the Overall Control and Reduction of High Temperature-Induced Thermal Damage in Oversize Deep Mines: A Case Study

Sustainability, 2020
The mining process in deep mines occurs at elevated temperatures and thus is significantly jeopardized by the thermal damage. In this study, the main factors causing high-temperatures under particular mining geological and prevailing conditions of coal mine production, namely for the Longgu Coal Mine (LCM) in Shandong Province of China, were specified ...
Wei Zhang, Tianyi Wang, Dongsheng Zhang, Jiajia Tang, Peng Xu, Xu Duan   +5 more
openaire   +1 more source