Monitoring and EWS

Technical consultancy in the design of the monitoring system and the execution and interpretation of geological and geotechnical investigations for the landslide triggered in March 2021, in the upper portion of the slope on the east portal of the Scampitella tunnel along the A16 Highway.








Client: ASPI SpA

Advancement stages of a large diameter motorway tunnel monitored by a ground-based SAR system (GBInSAR). The instrumentation, based on ArcSAR technology, allows to acquire images of the monitored scenario with a high accuracy in the displacements measurements. the data interpretation was capable to obtain hundreds of displacement measurement points on the tunnel face and to identify the different sectors affected by deformations.

During the excavation of the metro line 1 southward extension (Lingotto-Bengasi), a ground based radar instrument was used to monitor the deformation of the buildings adjacent to the tunnel axis. The monitoring tool consists of a radar head equipped with two antennas (transmitter and receiver) mounted on one meter long arm that is moving along an arc, thus creating a circular synthetic aperture. It is also equipped with a high resolution infrared optical camera and a laser scanner capable respectively of acquiring optical images and to obtain a digital elevation models (DEM) of the scenario to be used for the three-dimensional projection of the displacement maps. monitoring and interpretation revealed how the buildings deformed during face advancement.

A wireless monitoring network (WSN) consisting of 4 biaxial wall inclinometers and 4 inductive displacement transducers positioned across the main cracks was installed to keep under control the damage state of a public building. All the instruments are coupled with thermometric sensors to accurately detect temperature variations and to evaluate their influence on the monitored data. The data are collected at regular intervals and stored by a control unit equipped with a GSM module for transferring to a remote server accessible from the web.




Client: Università degli Studi di Torino

Consulting service for the interpretation, analysis and critical evaluation of analytical results obtained from monitoring activities, as well as for the evaluation of soil vapor sampling results and comparison with the outside air of The University of Turin’s Luigi Einaudi Campus (CLE). It was built on a portion of the former Italgas – Regina Margherita site, where for decades coal gas was produced for domestic and industrial use. The results were mapping and reconstruction of the time course of groundwater contaminant plumes and vapors and a risk analysis for approval by the relevant authorities.



Client: Università degli Studi di Torino

To protect a high-risk road located in the Cogne municipality (Aosta) from avalanches and debris flows, a wireless monitoring and early waring system (EWS) was designed, assembled, installed and managed by Geosolving from 2017. The system consists of a trigger line equipped with inclinometer sensors installed in the gully upstream of the road, two traffic lights located respectively upstream and downstream of the intersection of road and gully, two high-resolution cameras and a weather station. Whenever an avalanche or a debris flow occur, the sensors detect their passage along the gully and immediately the red traffic lights are turned on, thus interrupting traffic along the road.

Client: Regione Autonoma della Valle d’Aosta, COMUNE DI COGNE

To allow the safe construction of a new sewage system with the pipe-jacking technique in the vicinity of buildings in Foglizzo village (Torino), Geosolving has design, installed and managed a simple and inexpensive monitoring system. Four wall clinometers were installed on the external walls of the buildings closest to the excavation areas. By means of a wireless data transmission, it was possible to continuously monitor the potential effect of the excavations on the elements exposed to risk thus guaranteeing safety conditions for the workers and the resident.



Client: Sinergie srl

Monitoring system for safety reasons of the mixed stone masonry wall of the Darwin – Romero School Park in Rivoli (TO),adjacent to Strada del Pozzetto, using wire strain gauges installed on the inner face of the wall. The monitoring system allowed 4 sections of the wall to be monitored while at the same time establishing a set of displacement thresholds to mitigate the potential risk along the road. Finally, a numerical assessment of the stability of the wall was performed by creating a 2D numerical model using FLAC, determining the overall factor of safety of the soil-wall system, while an additional coupled thermo-mechanical analysis was used to understand the thermal effects due to seasonal variation in air temperature.
Client: Città Metropolitana di Torino

The ground-based radar interferometry (GBInSAR) technique was adopted to monitor the displacement of the Comba Citrin landslide, located in Valle d’Aosta, near the Italian-Swiss border. The landslide was reactivated during the 2000 flood event that severely damaged the entire Aosta Valley region. Using a measurement campaign with a discontinuous configuration, it was possible to follow the very slow seasonal displacements (a few mm) of the main landslide body, which are extremely difficult to measure with other in situ instrumentation. The cumulative displacement maps, obtained with a new advanced data processing technique, showed the presence of additional slope sectors affected by deformation outside the main body of the landslide.
Client: Regione Autonoma Valle d’Aosta