Volume 44 Issue 3
Oct.  2021
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WANG Guofu, NIE Jieli, ZHANG Faquan, YE Jincai. Impact characteristics of roadway based on 3D finite element method[J]. COAL GEOLOGY & EXPLORATION, 2016, 44(3): 116-119. DOI: 10.3969/j.issn.1001-1986.2016.03.022
Citation: WANG Guofu, NIE Jieli, ZHANG Faquan, YE Jincai. Impact characteristics of roadway based on 3D finite element method[J]. COAL GEOLOGY & EXPLORATION, 2016, 44(3): 116-119. DOI: 10.3969/j.issn.1001-1986.2016.03.022
shu

Impact characteristics of roadway based on 3D finite element method

  • 1. College of Information and Communication, Guilin University of Electronic Technology, Guilin, 541004, China;

  • 2. Key Laboratory of Wideband Communication and Signal Processing of Radio of Guangxi, Guilin 541004, China

Funds: 

National Natural Science Foundation of China(61102115,61362020)

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  • Received Date: August 11, 2014
  • Available Online: October 22, 2021
    Graphical Abstract
    • Abstract
  • In the transient electromagnetic detection in mine, the results of the detection are affected by the roadway space, which is not conducive to the interpretation of the results of detection. The 3D finite element method was employed in the study to simulate the impact characteristics of roadway by establishing geological model and the distributions of transient electromagnetic field when there exists roadway or not, and then, the distribution of contour of the magnetic field intensity at different time such as 10 μs and 0.1 ms was drawn. The results showed that the spread of magnetic field in high resistance area was slower than that in low resistance area, changes of the length of roadway had great impact on the distributions of the magnetic field along its length, and changes of the height of roadway affected the distributions of the magnetic field along its height. The roadway space had great impact on the distribution of magnetic field in the early time and small impact in the late time, which provided theoretical basis for the interpretation of the results of the detection.
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