Product Description
Slot and wedge anchors were one of the first types of anchors to be developed. They were found to be
acceptable in very hard rock where they were being used during 1950s in the Snowy Mountains Scheme in
Australia. The Kiruna bolt is stil
l being used, mainly in the mines in the north region of Sweden
The Kiruna bolt is designed to be inserted in a borehole that has been pre-Filled with cement grout with the
Objective of being a “one -Pass" system with the slot and wedge anchor providing im
Mediate reinforcement
Action prior to curing of the cement grout. An attempt was made in the 1990s to introduce these bolts or an
Alternative slot and wedge bolt in an Australian mine.
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