Results 11 to 20 of about 40,102 (196)

Research progress of coal and gas outburst mechanism based on geological structure

open access: yesMeikuang Anquan, 2022
Aiming at the problem of coal and gas outburst in the process of coal mining in China, this paper first summarizes the research progress of coal and gas outburst mechanism, and points out that the research on outburst mechanism of tectonic belt is of ...
ZHAO Junli, WANG Wenyuan, YANG Wei
doaj   +1 more source

Energy Action Mechanism of Coal and Gas Outburst Induced by Rockburst

open access: yesShock and Vibration, 2021
The essence of both rockburst and coal and gas outburst lies in fast energy release. In order to explore the energy action mechanism of coal and gas outburst induced by rockburst in rockburst and coal and gas outburst combined mines, the split Hopkinson ...
Wenqing Zhang   +3 more
doaj   +1 more source

Experimental investigations of stress‐gas pressure evolution rules of coal and gas outburst: A case study in Dingji coal mine, China

open access: yesEnergy Science & Engineering, 2020
Coal and gas outburst is a potentially fatal risk during the mining of gassy coal seams, which seriously threatens the safe mining of collieries. To understand the outburst mechanism and evolution rules, a new apparatus (LSTT) was developed to conduct ...
Bo Zhao   +5 more
doaj   +1 more source

Gas pressure evolution characteristics of deep true triaxial coal and gas outburst based on acoustic emission monitoring

open access: yesScientific Reports, 2022
Coal and gas outburst is one of the geological disasters that seriously threaten the safety of coal mines production. In recent years, with the increase of mining depth, outbursts become frequent.
Xin Zhang   +3 more
doaj   +1 more source

Energy principle of simulation experiments on coal and gas outburst

open access: yesMeitan xuebao, 2023
Coal and gas outburst is an extremely destructive gas dynamic disaster in mines. Since such dynamic disasters are usually difficult to observe directly, physical similarity simulation of coal and gas outburst has become an important method for collecting
Yuanping CHENG, Yang LEI, Sijie YANG
doaj   +1 more source

Controlling effect of tectonic stress field on coal and gas outburst

open access: yesMeitan xuebao, 2023
To investigate the controlling effect of tectonic stress field on coal and gas outburst, the gas geology, tectonophysics and rock mechanics methods were applied to analyze the influences of tectonic stress field on tectonic coal, in-situ stress and coal ...
Deyong GUO   +3 more
doaj   +1 more source

Research status and development trend of mechanism and simulation test of coal and gas outburst

open access: yesGong-kuang zidonghua, 2018
Theoretical research status of mechanism of coal and gas outburst was summarized. Typical examples of similar materials of gas-bearing coal and simulation experiment device of coal and gas outburst were analyzed.
LIU Yejiao   +5 more
doaj   +1 more source

A New Method to Predict Shock-Type Coal-Gas Outburst Disaster and Its Application

open access: yesGeofluids, 2023
Coal-gas outburst is the one of most serious coal mine dynamic disasters which affects safety mining, with 39 deaths reported during 2019 in China. The mechanism of coal-gas outbursts is complex, and the prediction methods are immature at present.
Pengfei Lyu, Tan Li, Xuehua Chen
doaj   +1 more source

A0620-00 revisited: a black-hole transient case-study [PDF]

open access: yes, 1998
For the first time we have performed a detailed study of the X-ray, optical and infra-red light curves of the 1975/1976 outburst of the famous black-hole transient A0620-00 (Nova Mon 1975, V616 Mon).
Abbott   +136 more
core   +2 more sources

Relationship between plastic zone of roadway and coal and gas outburst hole

open access: yesMeikuang Anquan, 2022
The outburst hole is of great significance to study the mechanism of coal and gas outburst. Through numerical simulation, the plastic zone of coal body at the excavation head of outburst roadway is obtained and compared with the actual outburst holes ...
HAN Sen, WANG Weijun, PENG Gang
doaj   +1 more source

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