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 […]
The works consisted of the Conditioning and improvement of stability on the slopes between the Deba and Zumaia stations of the Bilbao-Donosti Line, for this, the following actions were carried […]
En el tramo Variante de Valls – Montblanc de la autovía A-27 (Tarragona – Montblanc) situado en la provincia de Tarragona, se ha ejecutado un túnel de dos tubos gemelos […]
The works that were carried out in the Arditurri mine were the following: Security work at a point in the mining gallery. Triple twist mesh placement. Placement of mini prisms […]
The Ambrosero tunnel is located in The Cantabrian town of Ambrosero and is part of the Santander-Bilbao metre-gauge railway line.The works carried out for the structural reinforcement, drainage replacement and […]
Improvements to the GI-638 highway between Deba and Mutriku requires the building of the de Alkolea tunnel. Its total length is 106 m, of which the central section is 80 […]
The Olesa capital is part of the Barcelona Orbital Dual Carriageway construction project, in the section between Olesa de Montserrat and Viladecavalls. This is a two-way tunnel with two independent […]
Execution of 1,045 meters, of which 410 meters correspond to the execution of central galleries of 30 m2, with widening areas to form caverns of 200 meters in length and […]