Railway line
tunnel
Injection of resins to eliminate existing leaks affecting catenary.
Dam spillway
tunnel
Advice and treatment of the tunnel by means of resin injection: Consolidation of the altered and fractured ground.
Tunnel to be used as an underground
Treatment of the connection areas between the main tunnel and service tunnels with high water flows.
Work on
TBM face
Consolidation and stabilisation of the advance face for the replacement of cutters.
Activity under
port crane
Geotechnical improvement of low bearing capacity ground to eliminate stoppages due to imbalance or settlement. High capacity gantry crane.
Tunnel for
water transfer
Tunnel waterproofing and sectorisation treatment with high water flow and pressure.
Performance in shaft excavation
Consolidation of highly unstable ground as a preventive measure during shaft excavation.
Connecting galleries. Cross passages
Treatment of junctions and connection of cross passages as a sealing system for high seepage.
Treatment of
tunnel segments
in tunnels
Treatment of the back of the tunnel segments as a system to retain water circulation and prevent cavities from forming.
Ground improvement treatment behind the segments
Geotechnical ground improvement treatment by injecting consolidation grout in highly fractured ground.
Road tunnel.
Traditional
advancement
Preventive and corrective technical application of convergences and water flows.
Gallery
mining
Consolidation activity, cavity filling and containment of water seepage. High temperatures and flow rates.
