Waterproofing Pedralba Tunnel

Project Information: The work consists of installing two layers of material (Geotextile + PVC) that will act as a physical barrier between the natural terrain and the structure in order to prevent water leakage and ensure correct sealing, thus avoiding the negative effects resulting from water accessing the structure.

Country: España

Province: Zamora

Place: Pedralba de la Pradería


  • Cross section: —
  • Lenght: 1,580 m

Overburden: —

Method of Tunneling: Using Trolley-Tubular Scaffolding

Geology and Geotechnical Data: —

Tunnel Equipment:

  • Trolley-Tubular Scaffolding
  • Telescopiic Handler