The stratum of Macedonia KO Highway was very complicated with extremely loose and collapsed rock foundation. Solid steel bar can’t support post-reinforcement construction.
Under such circumstances, China Hydropower Engineering Bureau was decided to use SupAnchor Self Drilling Hollow Anchor System which is combined by drilling, grouting and anchoring in one. By using SupAnchor system, the difficult stratus was overcome.

SupAnchor's self drilling anchor systems provide critical ground stabilization in a challenging hydropower project, highlighting innovation in geotechnical engineering for infrastructure development.
SupAnchor launches the SupCT Bolt System, a self drilling anchor bolt with high ductility and corrosion resistance, ideal for tunneling and mining projects worldwide.
Report on SupAnchor's application of self drilling anchor bolts for slope stabilization in a major infrastructure project, highlighting technical parameters and industry relevance.
SupAnchor introduces the SupShell expansion rock bolt system, featuring immediate anchorage and corrosion protection, designed to improve efficiency in mining and tunneling applications globally.
SupAnchor's self drilling anchor bolt system provides reliable geotechnical reinforcement for challenging construction sites, addressing complex geological issues in tunneling and slope stabilization.