1. Huo, Y. et al. Effect of roadway wall roughness on electromagnetic wave propagation in coal mine. Ind. Mine Automat. 39(03), 43–45 (2013).
2. Gong, X. et al. Influence of wall roughness on restricted wall-attached turbulent jet in excavation roadway. Mining Saf. Environ. Protect. 44(01), 28–31 (2017).
3. Xie, M., Liu, Z. & Mao, J. Analysis on influence of different factors to contact stiffness of support and roof in roadway. China Saf. Sci. Technol. 12(10), 102–106 (2016).
4. Li, S. et al. Mechanical analysis of support structure based on over-under-excavated tunnels. J. China Coal Soc. 42(11), 2817–2825 (2017).
5. Tian, J. et al. Spatial pose kinematics model and simulation of boom-type roadheader. J. China Coal Soc. 40(11), 2617–2622 (2015).