This bolt consists of a helical steel bar with an oval cross-section that acts with a fastening system, which consists of a perforated steel plate and nut of nodular cast iron. The latter work in a complementary fashion to strengthen and preserve the natural resistance of rock massif.
Geo-mechanical and operational advantages
- Good for projects undertaken in areas with poor quality rocks and in high stress zones.
- Large load transfer capacity on rock massifs.
- The product’s simple design allows for simple and quick installation.
- No sophisticated equipment is needed to make adjustments.
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