ESP +34 944 240 835 Gran vía 53, 3º Dcha - 48011 Bilbao HOME ABOUT US EXPERIENCE ACTIVITY FACILITIES MACHINERY CONTACT DOWNLOADS Reparations of inlet and outlet in Zankoeta II Tunnel Date 08/05/2020 Type of works Conservation and maintenance Project description The actions carried out in the Zankoeta II Tunnel consisted of: Filling of the track area to a level higher than the current tunnel key to stabilize the slope and avoid the risks inherent in any activity carried out under it. Execution of a micropile screen to contain slippage. Excavation and placement of the moorings. Execution of a false structural tunnel (under the cover of the micropile screen) that allows the collapse to be reconstructed and expanded to cover the entire unstable area. Structural reinforcement of the interior of the tunnel. Replacement of track and installations. Multimedia material Used machinery AXERA T-08-S 290C SIKA-PM407 Safety, quality and protection of the environment for commitment to and satisfaction of our customers. BROWSING MENU Home About us Experience Activity Civil works Roads Railways Metro–Urban tunnel Hydraulics Underground works Tunnels Wells Caverns Galleries Mining Conservation and maintenance Facilities Machinery Contact Downloads ESP CONTACT INFORMATION Gran vía 53, 3º Dcha – 48011 Bilbao +34 944 240 835 info@nortunel.com Copyright 2020 Nortúnel, All rights reserved. | Condition of use This website uses its own and third-party analysis cookies to gather information in order to improve our services, as well as for browsing analysis. If you continue to browse, you accept their installation. The user can configure their browser and, where they choose, can prevent them from being installed on their hard drive, although they must take into account that this may create browsing difficulties for this webpage.AcceptConfiguration guide