Results 41 to 50 of about 4,791 (276)

Risk Identification Method and Application of Roof Water Inrush Under Multi-Working Face Mining

Applied Sciences
Adjacent, multi-working face mining can expand the range of disturbed overburden, increasing the risk of triggering roof water inrush, which threatens the safe operation of coal mines. In this paper, we propose a risk identification method for roof water
Zhendi Huang, Kun Wang, Xuesheng Liu, Yongqiang Zhao, Xuebin Li, Biao Fu, Yu Zhou   +6 more
doaj   +2 more sources

Study on the development of water-conducting fracture zones under repeated mining conditions

Energy Exploration & Exploitation
To clarify water-conducting fracture zones (WCFZ) development under repeated mining, this study focuses on Huayang Coal Mine's Working Face 15101, adopting an integrated multi-method framework (experimental testing-visual verification-theoretical simulation).
Junbin Chang, Kai Bian, Cunjin Lu, Jinpeng Xu, Jinxi Wang, Fuzhu Wu, Shouqiao Shi, Xiaoyan Zhang, Yanli Yang, Balaji Panchal   +9 more
openaire   +2 more sources

Prediction of Development Height of Water-Conducting Fracture Zone in Pingmei No.12 Mine

Advances in Engineering Research Possibilities and Challenges
The determination of the height of the water-conducting fracture zone is of great significance for water disaster prevention and control and efficient coal mining. To study the development law of the water-conducting fracture zone in multi-coal seam mining, taking the development height of the water-conducting fracture zone generated after the mining ...
Zihao Wang
openaire   +2 more sources

Machine Learning Model for Predicting the Height of the Water-Conducting Fracture Zone Considering the Influence of Key Stratum and Dip Mining Intensity

Water
Predicting the height of the water-conducting fracture zone (WCFZ) is crucial for preventing water inrush and ensuring safe underground mining operations.
Yuhang Che, Ximin Cui, Peixian Li, Yuanjian Wang   +3 more
core   +2 more sources

Integrated Physical and Numerical Assessment of the Formation of Water-Conducting Fracture Zones in Deep Ore Mines with Structural Faults

Mining
Mining operations conducted beneath water-bearing strata pose significant risks associated with the development of water-conducting fracture zones in the overburden.
Egor Odintsov, Zidong Zhao, Vladimir Gusev, Kai Wang, Wenwei Wang   +4 more
doaj   +2 more sources

A Combined Method Utilizing Microseismic and Parallel Electrical Monitoring to Determine the Height of Water-Conducting Fracture Zones in Shengfu Coal Mine

Water
The development of a water-conducting fracture zone is a critical factor in understanding and predicting water inrush from coal mine roofs, as these zones facilitate the inflow of water from overlying aquifers.
Shengdong Liu, Jiayi Huo, Bin Luo, Peng Zhang, Chenghang Zhang   +4 more
core   +2 more sources

Development of overlying strata collapse and water-conducting fractured zone in shallow coal seams mining [PDF]

Shuiwen dizhi gongcheng dizhi
Shallow underground mining of coal seams has significant impacts on the overlying rock formations, not only exacerbating surface subsidence but also potentially leading to surface and groundwater loss, thereby affecting the development and safety of the ecological environment.
Hui SHANG, Sihang LIU, Zhihui GAN, Lixiang SU, Yang LIU   +4 more
openaire   +3 more sources

Multi‐Scale Evolution Mechanism of Water‐Conducting Fracture Zone in Deep‐Mining Hard Roof

Energy Science & Engineering
This study addresses the significant discrepancies in traditional methods for predicting the height of water‐conducting fracture zones in deep‐mining hard roofs, which can lead to catastrophic water inrush events.
Yingfu Li, Linyang Bai, Hongwei Cai, Di Hu, Fangang Zeng   +4 more
doaj   +2 more sources

Development Law of Water-Conducting Fracture Zones in Overburden above Fully Mechanized Top-Coal Caving Face: A Comprehensive Study

Processes
Although it is of great significance to master the height of the water-conducting fracture zone (WCFZ) to prevent coal mine disasters and ensure safe production, the most important thing is to predict the height and range of the WCFZ ahead of the working
Jiancheng Che, Tongxu Hu, Bo Li, Taihu Huo, Tao Hu, Kaiqiang Han, Chunhua Song   +6 more
core   +2 more sources

Study on development law of water conducting fracture zone in coal seam mining under burnt rock aquifer

Meikuang Anquan, 2022
In order to study the development law of water conducting fracture zone in coal seam mining in A’ai Mining Area, Xinjiang, 1013 working face of a coal mine is selected as the research object.
ZHANG Jingmin, MENG Fanlin, WU Haiwen, ZHAO Fei, XUE Jiankun, WANG Yi, LUO Ankun, HUANG Huan   +7 more
doaj   +1 more source