Study on Distribution Characteristics of Mining Stress and Elastic Energy Under Hard and Thick Igneous Rocks
Sign Up to like & getrecommendations! Published in 2018 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-018-0546-3
Abstract: In the coal measure strata, igneous rocks are often invaded, and their occurrence, size, and distribution form play an important role in mining safety. The breakage of hard and thick igneous rocks easily induces dynamic… read more here.
Keywords: hard thick; stress; thick igneous; igneous rocks ... See more keywords
Fracture failure analysis of hard and thick key layer and its dynamic response characteristics
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2019.01.008
Abstract: Abstract Igneous rock often appears in coal measure strata, and its occurrence, size, and distribution play important roles in mining safety. The failure of hard and thick igneous rocks can result in dynamic disasters such… read more here.
Keywords: thick key; fracture failure; hard thick; analysis ... See more keywords
Dynamic Response Analysis of Roadway Surrounding Rock Induced by Dynamic Load under the Action of Hard and Thick Rock Stratum
Sign Up to like & getrecommendations! Published in 2023 at "Geofluids"
DOI: 10.1155/2023/1750844
Abstract: In the process of coal seam mining, there are often hard thick key layers in the overlying strata. Due to the high strength and good integrity of the hard thick key layer, after the hard… read more here.
Keywords: roadway; rock; hard thick; surrounding rock ... See more keywords
Detection of Coal Bust Risk in a Kilometer Depth Workface with Hard–Thick Roof Based on Active–Passive Seismic CT
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13106173
Abstract: Practice and theory research proved the “square effect” during longwall mining with hard–thick strata lying on the coal seam, which could cause severe underground pressure and even dynamic disasters, such as coal burst; therefore, it… read more here.
Keywords: coal burst; hard thick; square effect; coal ... See more keywords