UTE TUNEL SABADELL (ACCIONA-COMSA-ACSA) DESCRIPTION
3,6 km twin tunnels, excavated by a 6,8m diameter TBM-EPB Herrenknecth
The tunnel is excavated with a TBM-EPB manufactured by Herrenknecht. Soil includes cohesive material (clay in particular) and sand in varying percentages and are conditioned with the Polyfoamer FP.
12 cross passages between the two main tunnels: Shotcrete - Excavation by mecanic means Waterproofing
MAPELASTIC TU SYSTEM
Mapelastic TU System is a single-component membrane, based on synthetic fibers a
High performance liquid foaming agent, based on
biodegradable anionic surfact