Cooperative supporting structure for side top of roadway along bottom of thick coal seam

• Main Authors: BAI YAO, HAN YANFEI, MENG XIAOGANG, ZHAO SHUAI, LI LI, GUO XINGEN, ZHANG HAIBIN
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2022
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model relates to a side and top collaborative supporting structure of a thick coal seam along a bottom roadway, the side supporting structure is composed of a plurality of rows of anchor rods which are vertically arranged in the roadway tunneling direction, at least one anchor cable is arranged in the plurality of rows of anchor rods at intervals of one row or a plurality of rows, and the anchor rods and the anchor cables in the same row are vertically connected into a whole through a W-shaped steel belt; the roof supporting structure is composed of multiple rows of anchor rods which are transversely arranged in the roadway tunneling direction, at least one anchor cable is arranged in the multiple rows of anchor rods at intervals of one row or multiple rows, and the anchor rods and the anchor cables in the same row are transversely connected into a whole through a W-shaped steel belt. According to the utility model, the two sides and the top plate can interact and coordinate with each other, the b