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
High performance liquid foaming agent, based on biodegradable anionic surfactants, in combination with a natural lubricating polymer, for ground conditioning in mechanized tunneling
High performance liquid foaming agent, based on biodegradable anionic…
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Sabadell, Spagna, Spain
