Rio Piazza, Variante di Valico

New channelling of the Rio Piazza at Lagaro, San Benedetto Val di Sambro, as part of the Variante di Valico on the A1 motorway between Bologna and Florence.

Location
Lagaro, San Benedetto Val di Sambro (BO)
Scope
Channelling of a mountain stream
Year
2014
Laying PALADEX DN 1500 pipes on the slope at Lagaro

The project

ClassB = SN 12
Internal diameter1500 mm
Quantity700 m

Site challenges

  • Extreme gradients and complex terrain
  • Infiltration and surface runoff
  • Partially active landslide
  • Obsolete existing pipelines

A hydraulic structure built underground in the Bolognese Apennines, where the light weight of the pipes allowed them to be laid along the slope.

The article

The Rio Piazza route along the slope
Rio Piazza, Lagaro: the route across extreme gradients and a partially active landslide
Trench excavation for the Rio Piazza
Rio Piazza, Lagaro: trench excavation for the new channel culvert
Laying PALADEX DN 1500 pipes on the slope at Lagaro
Rio Piazza, Lagaro: laying the PALADEX DN 1500 pipes along the slope

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