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 innovative self drilling anchor system provides robust foundation support for a tunneling project, addressing complex geological challenges and setting industry standards.
SupAnchor unveils Grade 75 self-drilling hollow anchor bars, engineered to ASTM standards for efficient slope stabilization and tunneling applications, offering high performance and cost-effectiveness.
How SupAnchor's innovative self-drilling anchor system provided critical support in a challenging geotechnical project, highlighting industry trends in infrastructure reinforcement.
SupAnchor launches the SupShell Expansion Rock Bolt System, offering immediate anchorage and efficient installation for tunneling and mining projects, backed by ISO standards and advanced engineering.
A case study on how SupAnchor's innovative self drilling anchor bolts provided critical ground stabilization in a challenging tunneling project, highlighting technical specs and industry impact.