izvorni znanstveni rad

Extension of single-tube tunnel with service tube to a two-tube tunnel

Ivan Mustapić

Sažetak

This paper presents the analysis of different design and construction models for extension of single-tube tunnels for bidirectional traffic with service tube, to a standard two-tube tunnel for one-way traffic in each tunnel tube on state roads or expressways.

Ključne riječi

service tunnelsingle-tube tunneltwo-tube tunnelextension of tunnel tube