ULMA Construction MK

Formwork carriage for mine tunnels


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ULMA Construction

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Formwork carriage for mine tunnels

The formwork system for MK tunnels is composed of a lightweight mobile carriage that is used for both structure support and formwork.‎ This is aimed at the civil engineering market, specifically the construction of mine tunnels of up to 1km long: underground stations, tunnel connections, hydraulic galleries etc.‎
Based on the MK System, the MK carriage is designed to carry out versatile and great load bearing capacityassemblies.‎ It also complies with all safety requirements thanks to working platforms, access, and other integrated safety elements items.‎

- Interior formwork for nozzle-poured concrete, vibrated from the exterior
- Withstands high pouring pressures
- Shuttering face of 6 mm steel panels
- Shaping timber for getting the required panel curvature
- Manual or hydraulic advance


- High Cost-Effectiveness
Made of standard rental material
Material reusable for other projects
Lightweight structure
Quick work cycles.‎ Easy use and repeatability
Easy handling
Carriages need not be dismantled for relocation

- Configurable
Sections can be built in a variety of shapes
Structures configurable for different pressures and loads
Excellent concrete finishing
Steel panels adapt to different tunnel radii
Worksite access can be configured according to project requirements
Manual or hydraulic advance
Separate pouring of side wall and vault is possible
Distance between sections may be reduced to increase load-bearing capacity
Easy stripping with screw jacks or cylinders
Steel panels reusable for other tunnels
Panels with inspection windows and openings for pouring nozzles and vibrator support
Multi-level platforms and access systems

Further info from manufacturer on MK

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