High capacity self drilling ground anchor
The “ rock bolting” is the most common used system for rock
mass stabilization, especially in tunneling and mining industry.
Thanks to our long experience in the steel heat treatment, we
manufacture and distribute high resistance continuos thread hollow bars, offering the following advantages:
they can be used as self drilling bolts with a disposable bit;
they can support an overhead anchor device;
they can provide a continuos closed circuit for high pressure grout injection for pumping thixotropic grout mixtures;
they can be cut and coupled on site to get all lengths;lower weight, i.e.: lower handling costs and easier setting
operations;
smaller diameter bars ca be used under same load, due to extraordinary steel mechanical properties, i.e.lower cost of the
structure components, such as bars, coupling and bits, easier drilling and setting, reduced mixture quantity and use of smaller rigs.
Continuous threaded bars high steel quality
Using highly resistant steel bars with thread offers
to the building sector specific solutions in the geotechnical field,
in particular:
rock bolts
anchoring
micro-piles
ground anchor
structural reinforcement.
The advantages are many, in particular:
the “tough” thread allows the adaptation of the
bar’s length according to the need of the construction yard and
ease its positioning, also in demanding conditions
the enhanced gripping to the cement mortar / resin used for
anchoring
