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SONG Peide, ZHU Shaojun, PAN Jienan. Tectonic stress and its influence on rock burst inTangshan mining area[J]. COAL GEOLOGY & EXPLORATION, 2012, 40(6): 34-38. DOI: 10.3969/j.issn.1001-1986.2012.06.008
Citation: SONG Peide, ZHU Shaojun, PAN Jienan. Tectonic stress and its influence on rock burst inTangshan mining area[J]. COAL GEOLOGY & EXPLORATION, 2012, 40(6): 34-38. DOI: 10.3969/j.issn.1001-1986.2012.06.008
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Tectonic stress and its influence on rock burst inTangshan mining area

  • 1. The First Team of Henan Coal Geology Bureau, Xinzheng 451150, China;

  • 2. School of Resources&Environment, Henan Polytechnic University, Jiaozuo 454000, China

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  • Received Date: April 15, 2012
  • Available Online: October 26, 2021
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    • Abstract
  • Occurrence of rock burst in Tangshan mining area is not only controlled by mining conditions, roof controlling methods and lithologic characters of roof and floor, but also influenced by the environmental factors such as tectonic stress, ground water and so on. Among them, tectonic stress is one of the important factors to influence the potential of coal and rock burst during coal mining. Based on the field data of geological structures and occurrences of rock burst in Tangshan mining area, three-dimensional fields in coal bed and its surrounding rock were modeled and analyzed under different tectonic stress conditions by using numerical modeling software FLAC3D. Results show that tectonic stress has obvious influence on the distribution of stress field and energy field in coal bed and its surrounding rock. Under high structural stress conditions, high horizontal stress is the source of force and elastic strain energy stored in coal bed and its surrounding rock is the source of energy to induce to rock burst during coal mining.
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