Abstract:

In the paper, the mechanisms of the primary reinforcement of grouting tubular anchoring bolts used in high side slope works and underground works in fractured ground is presented, the advantages and applicability of the grouting tubular anchoring bolts in fractured ground are summarized, and the construction methods and matching equipment of the grouting tubular anchoring bolts are described, which can provide support for the safe, rapid and economic construction of high side slope treatment works and underground works

Key words: grouting tubular anchoring bolt  , fractured ground  , underground works  , high side slope works  , primary reinforcement