Academic Journal of Engineering and Technology Science, 2023, 6(4); doi: 10.25236/AJETS.2023.060406.
Wang Chao1,2
1School of Energy Sources, Xi’an University of Science and Technology, Xi’an, 710054, China
2School of Mining and Coal Engineering, Inner Mongolia University of Science and Technology, Baotou, 014010, China
In response to the severe floor heave problem of the+1100m track crosscut in Liuyuanzi Coal Mine, it was found that the crosscut exists in a hard top and soft bottom surrounding rock environment. FLAC3D simulation was used to study the stress, plastic zone, and displacement of the surrounding rock when the crosscut is supported by bolt-mesh+Shotcrete+36U-type steel combined support and bolt-mesh+Shotcrete+36U-type circular shed combined support. The simulation results show that the latter reduces the floor heave by 57%.
roadway, floor heave control, numerical analysis, bolt supporting, plastic failure
Wang Chao. Numerical Simulation Study on Crosscut Roadway Floor Heave Control. Academic Journal of Engineering and Technology Science (2023) Vol. 6, Issue 4: 36-41. https://doi.org/10.25236/AJETS.2023.060406.
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