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.

Exploring how SupAnchor's self drilling anchor bolt system addresses complex geological challenges in a major European tunnel project, with insights into technical specs and industry trends.
SupAnchor's SupCT Bolt System offers high ductility and corrosion resistance for efficient rock support in tunneling and mining, addressing complex geological challenges with innovative self-drilling technology.
Exploring how SupAnchor's self drilling anchor system addresses complex geological challenges in infrastructure, with on-site insights and technical specs for improved geotechnical reinforcement.
SupAnchor introduces the SupShell expansion rock bolt system, offering immediate anchorage and easy installation for challenging geotechnical projects in Europe and beyond.
SupAnchor's self drilling anchor system provides critical geotechnical reinforcement in a challenging European railway tunnel, highlighting innovation and industry trends in infrastructure safety.