Optimization of Supporting Structures and Parameters of Tunnels in Soft Phyllite

Study on bearing capacity characteristics of steel structure support in soft rock roadway

“…In Mengnuo lead-zinc mine area, with the increase of mining depth, the large deformation of the roadway leads to the obvious destruction of the support structure, increasing the difficulty of support, and the number of repairs. [10][11][12] The main characteristics are as follows:…”