Investigation on the Ground Pressure Induced by Hard Roof Fracturing at Different Layers during Extra Thick Coal Seam Mining
Sign Up to like & getrecommendations! Published in 2020 at "Geofluids"
DOI: 10.1155/2020/8834235
Abstract: The fracturing of hard roofs in different layers would result in complex ground pressure on the working face, such as supports collapsed and severe roadway deformation. However, the mechanism of the ground pressure induced by… read more here.
Keywords: ground pressure; ground; different layers; coal ... See more keywords
Strong Ground Pressure Mechanism and Control at the Longwall Top Coal Caving with a Single Key Stratum in Goaf
Sign Up to like & getrecommendations! Published in 2020 at "Shock and Vibration"
DOI: 10.1155/2020/8835101
Abstract: A strong ground pressure in the multiseam environment manifested by rib spalling and roadway deformation at the fully mechanized working face was assessed by a comprehensive combination of field measurements, physical simulations, and theoretical analysis… read more here.
Keywords: key stratum; ground pressure; stratum; working face ... See more keywords
Study on Influencing Factors of Ground Pressure Behavior in Roadway-Concentrated Areas under Super-Thick Nappe
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DOI: 10.3390/ma16010089
Abstract: During the mining activity under the super-thick nappe formed by thrust fault, the law of mine pressure behavior is complex, and it is difficult to control the deformation and failure of surrounding rock. Combined with… read more here.
Keywords: ground pressure; pressure behavior; thick nappe; pressure ... See more keywords
Distribution Law of Mine Ground Pressure via a Microseismic Sensor System
Sign Up to like & getrecommendations! Published in 2023 at "Minerals"
DOI: 10.3390/min13050649
Abstract: The particularity of the occurrence conditions of the ore body in Xianglushan Tungsten Mine determines the mining form of the ore body and the particularity of the ground pressure distribution after mining. A large number… read more here.
Keywords: sensor system; distribution; ground pressure; ground ... See more keywords