Xia Yongxue
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View article: Case study of hydraulic fracturing for coal burst risk mitigation
Case study of hydraulic fracturing for coal burst risk mitigation Open
Coal bursts pose significant safety and operational challenges in deep mining environments, necessitating effective mitigation strategies to address high-stress concentrations and dynamic failure risks. This study evaluated the efficacy of…
View article: Study on the evolution law of acoustic emission time series characteristics of coal-rock assemblage under true triaxial conditions
Study on the evolution law of acoustic emission time series characteristics of coal-rock assemblage under true triaxial conditions Open
Introduction This study aims to investigate the fractal characteristics of acoustic emission (AE) signals during coal-rock rupture and their predictive significance for impact dynamic hazards. Methods True triaxial loading/unloading tests …
View article: Mechanism and prevention of coal bursts in gob-side roadway floor under thick and hard roof in the deep mining area of Ordos
Mechanism and prevention of coal bursts in gob-side roadway floor under thick and hard roof in the deep mining area of Ordos Open
The complex stress environment in deep roadways, often exacerbated by thick and hard strata, frequently precipitates coal bursts, posing significant safety hazards. This paper investigates the mechanisms and preventive methods for coal bur…
View article: Investigation of Load Characteristics and Stress-Energy Evolution Laws of Gob-Side Roadways Under Thick and Hard Roofs
Investigation of Load Characteristics and Stress-Energy Evolution Laws of Gob-Side Roadways Under Thick and Hard Roofs Open
The stress environments of gob-side roadways (GSRs) are becoming increasingly complex during deep coal mining under thick and hard roofs. This leads to strong strata behaviors, including roadway floor heave, roof subsidence, and even coal …
View article: Study on the influence of confining pressure and unloading damage on the bursting liability characteristics of coal
Study on the influence of confining pressure and unloading damage on the bursting liability characteristics of coal Open
The research on the bursting liability of coal under confining pressure and unloading damage is critical in creating prevention mechanisms for coal mass rock bursts in deep underground mines. Cyclic loading and unloading tests of variable …
View article: The stress distribution of coal and rock mass and the risk evaluation of rock burst in the composite structure area
The stress distribution of coal and rock mass and the risk evaluation of rock burst in the composite structure area Open
The abnormal concentration of stress in the structure area of the working face is closely related to the rock burst. Based on the good correlation between the wave velocity and stress of the coal and rock mass, the seismic wave CT detectio…
View article: A New Theoretical View of Rockburst and Its Engineering Application
A New Theoretical View of Rockburst and Its Engineering Application Open
Traditionally, rockburst is considered as a dynamic phenomenon of sudden destruction of coal/rock mass. In this study, rockburst is treated as an event process rather than a phenomenon. This paper introduces typical rockburst process, its …