Abstract
As one of the most serious shock dynamic disasters in coal mining, rock burst only occurs under the certain geodynamic environment. Geodynamic is the necessary requirement for the occurrence of rock burst, and the disturbance of mining engineering is the sufficient requirement. In terms of the fault structure, the method of geodynamic zoning is used to classify fault structure forms of rock burst in mines, and a model of geological structure is established to reveal the connection between fault structure and mine engineering. Besides, the influence of fault structure on rock burst is analyzed, and the controlling mechanism of the fault structure on the tectonic evolution of the mine area and the occurrence of rock burst is revealed. This research provides a treatment plan for the prediction and prevention of rock burst and guides the safe production in the coal mining engineering.
Highlights
Rock burst is a typical shock dynamic disaster in coal mines
In the field of rock mechanics, abundant achievements have been made in the study of rock burst, while the theory of universal applicability has not been formed. e existing rock burst mechanism is essentially developed on the basis of early strength theory, stiffness theory, energy theory, and rock burst orientation theory [8,9,10,11,12]
Rock burst mostly occurs near the fault zone and frequently in the intersection of multiple fault zones. erefore, the fault structure determined by the geodynamic zoning method can be used as the basis for the analysis and evaluation of rock burst
Summary
Rock burst is a typical shock dynamic disaster in coal mines. When the coal-rock mechanical system reaches the ultimate strength, the elastic energy is released in a sudden, sharp, and violent form, namely, the rock burst. Current research is mainly concentrated on the mechanism, prediction, monitoring, and prevention of rock burst, as well as the experimental and theoretical research on the strength and failure characteristics of coal-rock structure [15,16,17]. Rough the analysis of fault structure effect on rock burst in the mine, the controlling machine of fault structure on rock burst is illustrated in this paper It provides a theoretical basis and guidance for the prediction and prevention of rock burst in mining
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