B.Zero Tondo™ Tunnel Primary Support System is a tubular steel arch support installed with a dedicated radio controlled three arm erector.
The system has been developed to address the construction demand for a more effective, safer solution and cost-effective alternative to traditional tunnel arch supports. Thanks to its unique charcteristics, the system is able to cope with the most challenging ground conditions.
To learn more on this solution, visit https://www.maccaferri.com/products/tunnelling-steel-arch/
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