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A BRUGG GROUP COMPANY
Switzerland
MINAX® 80/4: Most economical to support rock bursting tunnels

MINAX® 80/4: Most economical to support rock bursting tunnels

MINAX® 80/4 is the perfect solution for highly stressed tunnel profiles subject to the risk of rock squeeze and bursting, as a replacement or extension of shotcrete, fibercrete or mesh in conjunction with cable lacing. In particular for dynamic surfaces, it provides an extremely attractive cost-performance ratio.
Tests conducted by the Western Australian School of Mines (WASM) have shown that high-tensile MINAX® mesh with a wire tensile strength of at least 1,770 N/mm2 is able to withstand substantially higher static and dynamic loads than conventional reinforcement nets. This also enables higher levels of rockburst energy to be absorbed.

Benefits

High-tensile steel wire

High-tensile steel wire

For high load capacity: Both static and dynamic capacities (e.g. while blasting) are higher compared to other surface support meshes/nets.

Balanced stiffness

Balanced Stiffness

Very high load capacities (both static and dynamic) with optimal deformations, not endangering tunnel clearance.

Rhomboidal chain-link structure

Rhomboidal chain-link structure

For easy handling and storing: Manual and mechanized installation by unrolling with any mechanized technology.

Low weight

Lightweight

For fast installation: Very light relative to its strength due to the high-tensile wire. This makes manual or mechanical installation very easy and improves the occupational health and safety.

Knotted ends

Knotted ends

For maximum stability at the edges: Profit from minimized overlapping, optimized number of rock bolts and no sharp edges.

Cutting edge corrosion protection

Whether hot dip galvanized, SUPERCOATING®, stainless steel: After our analysis of the environmental conditions in your mine, we offer the corrosion protection solution, according to your specific needs.

Documents for Download

More Information

Contacts

Roger Moor
Roger Moor
Ost- und Zentralschweiz, Liechtenstein - Country Manager
Natural Hazards, Mining / Tunnels
Geobrugg AG
Aachstrasse 11
8590 Romanshorn / Switzerland
Phone071 466 81 52
Mobile 078 783 46 81

Contact form

René Müller
René Müller
Country Manager Western Switzerland (AG, BE, BL, BS, FR, GE, JU, NE, SO, VD, VS)
Natural Hazards, Mining / Tunnels
Geobrugg AG
Industriestrasse 21
5200 Brugg / Switzerland
Phone+41 71 466 84 57
Mobile +41 79 420 84 55

Contact form

Isacco Toffoletto
Isacco Toffoletto
Country Manager Southern Switzerland (TI)
Natural Hazards, Mining / Tunnels
Geobrugg AG
Via Pizzante 7
6595 Riazzino / Switzerland
Phone+41 91 859 36 34
Mobile +41 76 508 31 78

Contact form

Jonas von Wartburg
Jonas von Wartburg
Country Manager Western Switzerland/Scandinavia
Natural Hazards, Mining / Tunnels
Geobrugg AG
Aachstrasse 11
8590 Romanshorn / Switzerland
Phone+41 71 466 84 58
Mobile +41 79 317 74 25

Contact form