Three-soft coal seam uphill fully-mechanized excavation retaining wall supporting method and supporting device

• Main Authors: SHEN YEXING, MO FEILONG, GAO LIN, MENG YUWANG, ZHAO SHUANG, WANG YONGYIN, HUANG XIAOFEN, TANG SHIXIAN, GAO CHANGSI
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The invention provides a three-soft coal seam uphill fully-mechanized excavating retaining wall supporting method and device, and the method comprises the following steps: S1, a fully-mechanized excavating machine carries out tunneling in a three-soft coal seam to form an upper step and a lower step...