Mining-induced static and dynamic loading rate effect on rock damage and acoustic emission characteristic under uniaxial compression
Sign Up to like & getrecommendations! Published in 2019 at "Safety Science"
DOI: 10.1016/j.ssci.2019.03.003
Abstract: Abstract To further understand rock damage mechanisms under loading, evaluate coal burst danger and ensure stopping safety during coal mining, uniaxial compression tests of rock samples at different mining-induced loading rates were carried out. A… read more here.
Keywords: loading rate; mining induced; damage; rock damage ... See more keywords
Application of improved and efficient image repair algorithm in rock damage experimental research
Sign Up to like & getrecommendations! Published in 2024 at "Scientific Reports"
DOI: 10.1038/s41598-024-65790-y
Abstract: In the petroleum and coal industries, digital image technology and acoustic emission technology are employed to study rock properties, but both exhibit flaws during data processing. Digital image technology is vulnerable to interference from fractures… read more here.
Keywords: technology; image; digital image; rock ... See more keywords
Numerical Simulation on Damage and Failure Mechanism of Rock under Combined Multiple Strain Rates
Sign Up to like & getrecommendations! Published in 2018 at "Shock and Vibration"
DOI: 10.1155/2018/4534250
Abstract: During underground hard-rock mining, the drilling and blasting method currently remains the most economical excavation method, and the rock may experience a multistrain-rate spectrum under quasi-static, dynamic, and rheological loading conditions and their combination as… read more here.
Keywords: damage failure; failure; strain rates; rock damage ... See more keywords
Theoretical and Experimental Study of the Effects of Impact Drilling Parameters on the Properties of Surrounding Rock Damage
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DOI: 10.1155/2020/8865619
Abstract: Using a self-designed hydraulic impact drilling test-bed and rock core drill, six groups of cylindrical granite specimens (93 mm dia. × 200 mm) containing central axial holes formed either by impact or nonimpact drilling methods were tested in uniaxial… read more here.
Keywords: impact drilling; impact power; damage; rock damage ... See more keywords
Prediction of Rock Damage Depth Using Blasting Vibration Monitoring
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DOI: 10.1155/vib/9894956
Abstract: This study conducted vibration monitoring and acoustic testing on rock slopes subjected to blasting operations within the elevation range of 988.0–898.0 m at the left bank abutment slot of the Wudongde Hydropower Station. Systematic investigations were… read more here.
Keywords: vibration monitoring; damage; rock; damage depth ... See more keywords
Experimental observation on rock damage under microwave thermal shock
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DOI: 10.2298/tsci2404457t
Abstract: Microwave thermal shock is an optimized means of crushing rocks in engineering, in order to investigate the effect of microwave thermal shock on granite, this paper adopts microwave irradiation and SEM experiments to investigate the… read more here.
Keywords: experimental observation; thermal shock; observation rock; shock ... See more keywords
Numerical Study of Asymmetry in Blast Pressure Propagation and Rock Damage Under Eccentric Decoupled Charges
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DOI: 10.3390/sym17091583
Abstract: The eccentric decoupled charge (EDC) is widely used in blasting engineering, but the combined effects of decoupling ratio, coupling medium, and explosive position (eccentricity coefficient) on blast pressure propagation and rock damage remain insufficiently understood.… read more here.
Keywords: pressure; eccentricity; damage; pressure propagation ... See more keywords