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.

A report on SupAnchor's self drilling anchor system application in a complex Alpine tunneling project, highlighting technical parameters and industry impact for infrastructure stability.
SupAnchor introduces Grade 75 self-drilling hollow anchor bars, engineered for hydropower station slope stabilization, offering ASTM-compliant performance and improved bond efficiency in challenging geotechnical applications.
Industry news on SupAnchor's self drilling anchor bolt application in a complex geology tunnel project, featuring technical parameters and global relevance.
SupAnchor introduces high-performance GFRP reinforcement rebar, offering superior corrosion resistance and tensile strength for diverse construction needs in harsh environments.
SupAnchor's self drilling anchor systems provide critical ground stabilization in a challenging hydropower project, highlighting innovation in geotechnical engineering for infrastructure development.