Study on Properties of Grouting Materials and Reinforcement Effect in Coal Roadways Influenced by Dynamic Pressure
Sign Up to like & getrecommendations! Published in 2019 at "Geotechnical and Geological Engineering"
DOI: 10.1007/s10706-019-00847-8
Abstract: In order to study the occurrence mechanism of rock burst in coal roadways under the influence of mining activities, the study took five main coal roadways in Yuwu Colliery as an engineering background. The occurrence… read more here.
Keywords: rock burst; study; effect; coal ... See more keywords
Mechanism of rock burst induced by fault slip in an island coal panel and hazard assessment using seismic tomography: a case study from Xuzhuang colliery, Xuzhou, China
Sign Up to like & getrecommendations! Published in 2017 at "Geosciences Journal"
DOI: 10.1007/s12303-016-0065-2
Abstract: Rock burst hazards induced by fault slip frequently occur in underground mining and threaten the safety of miners. In this paper, the structures of overlying strata, mechanism of fault slip, and rock burst pre-warning using… read more here.
Keywords: rock burst; seismic tomography; rock; fault slip ... See more keywords
Multiple indicators prediction method of rock burst based on microseismic monitoring technology
Sign Up to like & getrecommendations! Published in 2017 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-017-2946-8
Abstract: Rock burst prediction method for coal mining is one of the worldwide challenging problems. Based on a high precision microseismic monitoring system consisting of nine geophones installed in Qixing Coal Mine in China, abundant microseismic… read more here.
Keywords: prediction method; rock burst; monitoring; prediction ... See more keywords
Rock burst assessment in multi-seam mining: a case study
Sign Up to like & getrecommendations! Published in 2017 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-017-2979-z
Abstract: To assess rock burst prone zones in the lower seam during multi-seam mining, a rock burst hazard assessment method for use in multi-seam mining was established. According to the observed geological evolution, the feasibility of… read more here.
Keywords: multi; rock; assessment; rock burst ... See more keywords
Fracture analysis of multi-hard roofs based on microseismic monitoring and control techniques for induced rock burst: a case study
Sign Up to like & getrecommendations! Published in 2019 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-019-4972-1
Abstract: The fracture and behavior of multi-hard and thick roofs differ from those of other types of overlying strata. Therefore, abnormal rock pressure problems, such as gateway instability, rock burst, and hydraulic cylinder damage, will be… read more here.
Keywords: roofs; rock burst; multi hard; fracture ... See more keywords
Study on the rock burst tendentiousness of coal under different gas pressures
Sign Up to like & getrecommendations! Published in 2019 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-019-4991-y
Abstract: In deep mine, the geological environment and mechanical properties will be different from the shallow mining. Accordingly, the mine type will change from low gas mine to high gas mine or from non-impact mine to… read more here.
Keywords: tendency; rock burst; gas; coal different ... See more keywords
Modifying rock burst criteria based on observations in a division tunnel
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Geology"
DOI: 10.1016/j.enggeo.2016.11.014
Abstract: Abstract Rock burst is a geological hazard that occurs when hard and brittle rock mass is excavated under high in situ geo-stress or in the presence of high-stress concentration. This paper presents a case study… read more here.
Keywords: modifying rock; tunnel; rock burst; rock ... See more keywords
Early-warning of rock burst in coal mine by low-frequency electromagnetic radiation
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DOI: 10.1016/j.enggeo.2020.105755
Abstract: Abstract Rock burst is one of the major geological hazards in coal mines and is difficult to prevent. Faced with this problem, the low-frequency electromagnetic radiation (EMR) test experiments of coal and rock were conducted… read more here.
Keywords: rock burst; low frequency; coal rock; coal ... See more keywords
Warning Index Associated with Rock Burst in Deeply Buried Tunnels
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DOI: 10.1061/(asce)gm.1943-5622.0002135
Abstract: Abstract Rock bursts are disastrous when occurring during the construction of tunnels in a deep underground rock mass, and they occur under two key conditions: energy release from surrounding rocks... read more here.
Keywords: burst deeply; index associated; associated rock; warning index ... See more keywords
Determination of the possibility of rock burst in a coal seam
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DOI: 10.1134/s199047891704010x
Abstract: The article presents an algorithm for computing a quantity that serves as a criterion for the possibility of rock burst in a coal seam.We propose to seek this quantity in the two steps: At the… read more here.
Keywords: rock burst; possibility rock; burst coal; coal seam ... See more keywords
Mechanism of Rock Burst Revealed by Numerical Simulation and Energy Calculation
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DOI: 10.1155/2020/8862849
Abstract: We propose a new computational method to calculate the storage elastic energy value of surrounding rocks based on numerical simulation and theoretical calculation. By calculating the difference value in energy under different force states and… read more here.
Keywords: rock burst; numerical simulation; mechanism; energy ... See more keywords