Results 11 to 20 of about 53,431 (251)

Study on the Stability of Coal Pillars Under the Disturbance of Repeated Mining in a Double-Roadway Layout System

Frontiers in Earth Science, 2021
The double-roadway layout system, which is extensively applied in large mines, has the potential to significantly balance excavation-mining and improve mine ventilation and transportation capacity.
Shuaigang Liu, Shuaigang Liu, Jianbiao Bai, Xiangyu Wang, Xiangyu Wang, Guanghui Wang, Guanghui Wang, Bowen Wu, Bowen Wu, Yanhui Li, Yanhui Li, Jiaxin Zhao, Jiaxin Zhao   +12 more
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Research on deformation features and control strategies of repeated mining roadways in Guanjiaya Coal Mine

Gong-kuang zidonghua
The surrounding rock of the repeated mining roadway is severely deformed and cannot be reused, and the repeated mining roadway has obvious overlapping extension features during the service period.
ZHAO Jie, ZHANG Ningbo, LIU Haibing
doaj   +2 more sources

Study on the evolution and transport pattern of overburden fracture induced by mining in cave mines [PDF]

Scientific Reports
Coal mines located in southwestern China are generally faced with the complex situation of repeated mining of coal seams in areas with dense karst caves.
Yuan Zhang, Mengtang Xu, Dezhong Kong, Yujun Zuo, Guiyi Wu, Fi Chen, Yang Zhou   +6 more
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Research and application of maximum surface subsidence model under the condition of repeated mining in weakly cemented strata

Meitan kexue jishu, 2023
The characteristics of surface subsidence under the condition of repeated mining in weakly cemented strata are of great significance to the safe and efficient mining and ecological restoration of coal resources in weakly cemented mining areas in western ...
Wenbing GUO, Mingzhen HAN, Weiqiang YANG, Zhibao MA   +3 more
doaj   +1 more source

Dynamic Monitoring and Analysis of Mining Land Subsidence in Multiple Coal Seams in the Ehuobulake Coal Mine Based on FLAC3D and SBAS-InSAR Technology

Applied Sciences, 2023
Aiming at the land subsidence problem caused by multiple coal seam mining in the Ehuobulake Coal Mine, this paper, considering the geological conditions of the first and fifth layers of coal, adopts the method of combining FLAC3D numerical simulation and
Shihang Zhou, Hongzhi Wang, Chengfang Shan, Honglin Liu, Yafeng Li, Guodong Li, Fajun Yang, Haitong Kang, Guoliang Xie   +8 more
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Analysis of deformation and failure characteristics of steep rock under repeated mining

Meikuang Anquan, 2022
In view of the influence of underground repeated mining on the bedding steep rock with weak interlayer, this paper uses the discrete element numerical software UDEC to simulate the upward mining in the gently inclined short-distance coal seam group ...
TANG Jianxin, LI Wei, ZHANG Zejing, DU Weiyi, ZHENG Yingjian   +4 more
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Study on deformation and failure response characteristics of bedding rock slope induced by repeated mining based on numerical simulation method

Meikuang Anquan, 2021
Underground mining induces the movement, deformation and failure of bedding rock slope in mountainous areas, which develops into geological disasters such as landslides and collapses.
TANG Jianxin, HOU Yangyang, WANG Yulin, WANG Yanlei, DAI Zhangyin, KONG Lingrui, ZHANG Zejing
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Mechanical behavior and stability control of regenerated roof in long wall stratified mining of thick steeply dipping coal seam

Meitan kexue jishu, 2023
This study focused on the stability control of roof in long wall stratified mining of large dip angle thick coal seam. Taking Panbei Coal Mine in Huainan as an example, the effect mechanism of water content, compression ratio and grain size grading on ...
Xiaolou CHI, Ke YANG, Qiang FU, Zhainan ZHANG   +3 more
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Mining and applications of repeating patterns [PDF]

Vietnam Journal of Computer Science, 2018
Abstract Mining the valuable knowledge from real data has been a hot topic for a long time. Repeating pattern is one of the important knowledge, occurring in many real applications such as musical data and medical data. In this paper, our purposes are to contribute an efficient mining algorithm for repeating patterns and to conduct a real application ...
Ja-Hwung Su, Tzung-Pei Hong, Chu-Yu Chin, Zhi-Feng Liao, Shyr-Yuan Cheng   +4 more
openaire   +2 more sources

Research on development height of overlying water-conducting fault zone in shallow seam mining in Shennan Mining Area

Meikuang Anquan, 2023
Aiming at the fact that the water-conducting fissures in the overlying rock may cut through aquifers and induce water inrush disasters by repeated mining of shallow-buried and short-distance coal seams in Shennan Mining Area, this paper adopts the ...
XIE Danghu, WANG Jianwen2LI Minfeng, GUO Shuquan, WANG Eryun, MA Zongyu, DU Chaojie
doaj   +1 more source