Arrangement of anchor reinforcement in roadway for fully mechanized sublevel caving

摘要

Bolting of mining roadway for fully mechanized sublevel caving has been practised successfully in Hebi mining area. It provides a new method for roadway support and settles the problem of support difficulty radically for sublevel caving in Hebi mining area. Where anchor reinforcement holds an important station in roadway support. This article brings forward the arrangement project of anchor based on theoretic analysis. Compared with arranged in the middle of the entry, anchor arranged in the vertex of the entry can reduces the length of anchor, shortens the anchor installation time, and heightens the reliability of anchor installation.