Open-Close Type Tunnel Formworks

Open – Close Type Tunnel Constructions mean that at first the excavation of the route where the tunnel is going to be constructed take place beforehand followed by construction of the tunnel and finally the process gets completed by re-closing the top of the tunnel.

Subway Tunnel Constructions, Highway Tunnel Constructions, Infrastructure Tunnel Constructions can be shown as examples of these types of constructions.

Formworks used in these types of tunnels are formed of foundation.