NATM tunnelling technology and theory Recently IBODRILL employees attended a seminar on tunnelling and underground support. Tunnel project designers and Geo-drilling products manufacturers shared ideas on tunneling […]
Corrosion Protection of IBO Anchor Drill Bar In some occasions of Anchorage engineering, serious damage resulting from the corrosion of anchor bolts occurred frequently. IBO hollow […]
The application of self-propelled rock bolt in loose accumulation body tunnel construction Abstract: introduce a tunnel project which applied self-advancing rock bolts in the pilot […]