bolt anchor

基本解释

Main products:After mechanical reamed anchor bolt, anchor bolt, self undercut machine reamer.
主营产品：后扩底机械锚栓、自切底机械锚栓、扩孔钻头。
Currently used advanced bolt anchor measures are advanced rod, tubular tents, and pre-consolidation etc.
目前常用的超前锚固措施有超前锚杆、小管棚、大管棚及预固结等。
When constructing on super section lane, combining roof bolt, anchor cable, anchor cable series, is scientific and reasonable, can achieve good effect.
超大断面巷道施工，采用锚杆、锚索、锚索组联合支护，科学合理，实现了安全高效的良好效果。