Tunnel emergency risk avoiding device for rockburst protection

• Main Authors: ZHAO LI, TIAN ANAN, WANG BO, SHE HAIPENG, DANG JIANTAO
• Format: Patent
• Language: Chinese; English
• Published: 13.12.2022
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SHAFTS; TUNNELS

The utility model discloses a tunnel emergency risk avoiding device for rockburst protection, which comprises a plurality of support columns, the support columns are vertically arranged to form a circle, an upper ring beam is fixed at the top ends of the support columns, a lower ring beam is fixed at the lower parts of the support columns, and the shapes of the upper ring beam and the lower ring beam are matched with the vertical arrangement of the support columns; a top ring beam is arranged on the upper ring beam, bolt holes are formed in the upper ring beam and the top ring beam, the upper ring beam and the top ring beam are detachably connected through bolts, and a hemispherical top baffle is fixed to the top ring beam. Flexible arrangement can be carried out according to the tunnel section, the rock burst strength, the construction organization and the like, prefabrication is mainly adopted, only bolt connection needs to be carried out on site, and rapid installation and rapid effect taking of the protec