PSI - Issue 84

Available online at www.sciencedirect.com

ScienceDirect

Procedia Structural Integrity 84 (2026) 441–448

© 2026 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Abstract In the context of Italy's complex geomorphological setting, landslides frequently pose a significant threat to motorway infrastructure. This paper presents a case study from Northern Italy, where a landslide interacted with existing stabilization works protecting a motorway platform, necessitating a complex design for the final slope stabilization. Through detailed monitoring and advanced numerical modelling, several provisional phases were implemented to allow intervention without disrupting motorway traffic or compromising worker safety. The study outlines the monitoring strategies and modelling outcomes, highlighting how these integrated efforts enabled the safe and timely execution of stabilization works. III Fabre Conference: Existing Bridges, Viaducts, and Tunnels: Research, Innovation, and Applications Integrated Monitoring and Numerical Modelling of Landslide – Motorway Interaction Marco Barla a *, Lorenzo Milan b , Francesco Antolini b , Giuseppe Pasqualato c , Giovanni Massone c , Maurizio Deiana d , Roberto Chiaradonna d a Department of Structural, Geotechnical and Building Engineering (DISEG), Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino 10129, Italy b Geosolving Srl, Corso Orbassano 336, Torino 10137, Italy. c Sina SpA, Viale Isonzo, 14/1, Milano 20135, Italy. d Autostrada dei Fiori SpA, Via Giuseppe Maria Bonzanigo, 22, 10144 Torino, Italy.

Peer-review under responsibility of the scientific committee of the Conference Keywords: Landslide;numerical modelling;observational monitoring;motorway

* Corresponding author. E-mail address: marco.barla@polito.it

2452-3216 © 2026 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0) Peer-review under responsibility of the scientific committee of the Conference 10.1016/j.prostr.2026.06.057