+34 944 240 835 Gran vía 53, 3º Dcha - 48011 Bilbao

Leguizamón Tunnel

Date 05/06/2001
Type of works Highway, Tunnels

Project description

Excavation, support and coating of the Leguizamón tunnel in Bolueta belonging to Line 1 of the Bilbao Metro at the “Bolueta – Etxebarri” section, 70 m² section and 130 m in length. Due to the unfavourable and conditions, the tunnel was excavated under the protection of successive micro pile shields, which were divided into 20 m sections, which were completed in a conical format, to allow completion of successive shields. Throughout the length of the tunnel heavy support was used, consisting in HEB-180 trusses every meter and Bernold sheets.

Multimedia material

Used machinery

There's is no machinery to show