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 European urban tunneling project leverages SupAnchor's self-drilling anchor systems to address complex geological challenges, advancing geotechnical engineering standards and safety.
SupAnchor launches the Grade 75 self-drilling hollow anchor, a high-strength solution designed to enhance load-bearing capacity in demanding geotechnical engineering applications globally.
Industry report on SupAnchor's self drilling anchor system stabilizing slopes in a complex tunneling project, highlighting technical specs and global geotechnical trends.
SupAnchor introduces a stainless steel self-drilling hollow anchor, designed to combat corrosion in coastal, marine, and industrial projects, ensuring long-term durability and safety.
An in-depth look at SupAnchor's self-drilling anchor bolts applied in a challenging Alpine construction, highlighting technical specs and industry relevance for global infrastructure.