foundation anchor bolt
Due to special mechanical characteristics (i.e. very high elongation, very high ductility) Rock Bolts are essentially used in mining applications.
Other geotechnical applications for Rock Bolts are stabilization of soil masses under load, cavern/tunnel walls, excavations or slopes.
Other advantages are high loads which can be carried with small borehole diameters and high shear bonding between deformed bar and cement grout.
- normal bar, indented or plain
- threaded bar: with continuous, right hand, rolled on thread.
Diameter range: 16, 18.5, 20, 21.7, 22, 25mm (others on request)
Bar length: 6-24m
Bundling: 2.5t bundles wrapped with 5.5m wire
Grade: wide range of steel grades (450 up to 650 N/mm2, yield strength and 650 up to 820 N/mm2 tensile strength)