Zobrazeno 1 - 10
of 169
pro vyhledávání: '"floor water inrush"'
Publikováno v:
All Earth, Vol 36, Iss 1, Pp 1-12 (2024)
In view of the problem of floor water inrush in the process of deep coal seam mining, propose to establish a risk assessment model for coal seam floor water inrush using GIS and combined weight TOPSIS method. Take coal 12-1 of level −950 in Donghua
Externí odkaz:
https://doaj.org/article/e17fb88e0dc64f7bb012fbfbc2e27d8f
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-30 (2024)
Abstract Water inrush from underlying aquifers under the synergistic action of complex faults and mining activities seriously threatens the mining of coal seams in North China. The failure characteristics of the coal seam floor under complex fault co
Externí odkaz:
https://doaj.org/article/b2157b2b5f1b45f49e821ef684c96937
Autor:
HUANG Gang, HAN Yunchun, YU Guofeng, LUO Yong, REN Bo, YE Zan, WANG Lichao, ZHAO Jing, XU Yifan
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 6, Pp 36-45 (2024)
Currently, most fiber optic microseismic monitoring systems in China are based on optical grating sensing technology. However, fiber optic grating wavelength demodulation limits the detection frequency and sensitivity of the system, and there are few
Externí odkaz:
https://doaj.org/article/750119788c434afcb42f814b1de2250c
Publikováno v:
Water Supply, Vol 24, Iss 5, Pp 1714-1733 (2024)
The problem of limestone karst water inrush from coal seam floors is becoming more and more prominent, and gradually becoming the focus of water control work in coal mines. Taking the floor of the 10th coal seam in the third mining area of Zhuxianzhu
Externí odkaz:
https://doaj.org/article/7222d03d7d524f078e97fca063304777
Publikováno v:
Meikuang Anquan, Vol 55, Iss 2, Pp 184-193 (2024)
Through statistical analysis of geological and hydrogeological data of the early mining section of a mine field in Wubao Mining Area, the main control factors affecting the water inrush from the floor of the main mining coal seam were determined. Fuz
Externí odkaz:
https://doaj.org/article/9ab7cd3ad6b94166b29f08b03bb4b0a0
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-20 (2024)
Abstract Water damage in mines poses a widespread challenge in the coal mining industry. Gaining a comprehensive understanding of the multi-factor spatial catastrophe evolution mechanism and process of floor water inrush is crucial, which will enable
Externí odkaz:
https://doaj.org/article/e1ee1e62c67440948fad0030f6776470
Publikováno v:
Meikuang Anquan, Vol 54, Iss 10, Pp 176-181 (2023)
In order to solve the prediction problem of water inrush from coal seam floor, a prediction model of water inrush from coal seam floor based on principal component analysis and Logistic regression method was proposed. Through the analysis of the risk
Externí odkaz:
https://doaj.org/article/da10e5ece5884b01ae00763b2e75678e
Publikováno v:
Meikuang Anquan, Vol 54, Iss 9, Pp 166-173 (2023)
According to the specific geological conditions, taking F6 fault of Wugou Coal Mine as the research object, combined with the research of fault and the floor limestone water in the area of space distribution relationship, numerical simulation and the
Externí odkaz:
https://doaj.org/article/d018bd3a88804c31aeb27c977f70cd6a
Publikováno v:
Meikuang Anquan, Vol 54, Iss 6, Pp 193-198 (2023)
In order to control the water inrush of Ⅲ638 working face floor verification borehole in Zhuzhuang Coal Mine, we first analyzed the reasons of the water inrush, and confirmed that the inrush water source was L3 limestone water, and the water channe
Externí odkaz:
https://doaj.org/article/fb67cce25d764492a72b51916fe55c75
Publikováno v:
Meikuang Anquan, Vol 54, Iss 5, Pp 63-71 (2023)
In order to study the water inrushing mechanism of floor reinforcement working face and the grouting effect in water abundant mining area of North China Coalfield, by means of mechanical formula derivation, hydro-geological characteristics analysis,
Externí odkaz:
https://doaj.org/article/b5f8cd7c7cb440a2934498262abbf4b9