Work: DANES TUNNEL (ROMANIA) Client: JV FCC-Azvi-Alpine-Straco

This is one tunnel of new pan-European railway line, connecting several Central European regions with Turkey. The work is set in the stretch Atel-Micasasa.

The tunnel has a length of 969 meters and a variable excavation section between 134,05 sqm and 153.67 sqm. The excavation material consists of very cohesive and compact clays and silts. The tunnel is separated into 747 m of mining excavation section and three artificial tunnel segments totaling 222m.

Construction method chosen is drilling and blasting by mechanical means, excavating by pre-tunnelling and bench excavation, whit the projection of gunite in several layers as support. HEB-160 trusses are placed each meter of tunnel excavation.

CIVILSUB teams are carrying out the excavation and the tunnel support.