This project was necessary following a series of rockfalls which had occurred on the rockface above the village of Belvedere di Ravina near Trento. The falling rocks had reached an area below that includes the pressure reduction station for the Verona-Trento gas pipeline and a minor road.
During the assessment stage, it emerged that there was a large and heavy section of unstable rock, so a plan was drawn up to destroy it using explosives. Given the presence of the Verona-Trento natural gas pipeline at the foot of the rockface along with a minor road and the A22 motorway, it was necessary, prior to detonation, to produce passive rockfall protection structures. This involved building passive rockfall protection structures.
Works carried out:
- Creation of two 60 m long rockfall embankments
- Construction of 2 energy-dissipation rockfall barriers
- Covering the unstable rocks with ring net panels to limit the projection of rocks during the explosion, 750.00 m2
- 300.00 m of drilling for insertion of the explosive
- Controlled blasting of the unstable rocks using explosives, demolishing around 1,500.00 m3 of rock using 150.00 kg of explosive
- Scaling and cleaning of the rockfaces