5 Result(s)
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Article
Review of the development status of rock burst disaster prevention system in China
Deep-land resource exploitation is a crucial focus of future scientific and technological development in China. However, with the increasing depth of coal mining, rock burst disasters occur frequently, posing ...
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Article
Brittleness of layer sandstone under triaxial loading and unloading
Accurately quantitative characterization of brittleness of coal or rocks is important for effective estimation of excavation efficiency in deep engineering. The in-situ stress evolution characteristics of laye...
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Article
Time-dependent behaviors and volumetric recovery phenomenon of sandstone under triaxial loading and unloading
The time-dependent behaviors of coal and rocks were easily ignored. Besides, “three-stage” triaxial loading and unloading mechanics tests of sandstone were conducted based on the idea of the initial high in-si...
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Article
Mechanical properties of deep sandstones under loading rate effect
The advance speed of the working face in coal mines can significantly affect the fluctuation frequency of abutment pressure in front of the coal body. Moreover, it has a certain correlation with the change of ...
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Article
Mechanical behavior of deep sandstone under high stress-seepage coupling
The mechanical behavior evolution characteristics of sandstone are important to the application and practice of rock engineering. Therefore, a new method and concept of deep rock mechanics testing are proposed...
