PSI - Issue 44

Brunella Cutrone et al. / Procedia Structural Integrity 44 (2023) 713–720 Cutrone,Salvatore,Renzi and Tamasi / Structural Integrity Procedia 00 (2022) 000–000

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(CNR-GNDCI,2014, Guzzetti, 2000, Guzzetti et al.,1996) and the CARG Project (CARtography Geologica), started in 1988 by the Geological Service of Italy (GSI), a cartographic organ of the state and now published on a web portal by ISPRA (ISPRA,2022). Finally, as a fourth proposal, instrumental monitoring in situ is suggested, essential for deepening the knowledge of landslides, assessing the deformation trends in progress, supporting the design of any stabilization works and verifying their effectiveness over time, to plan the territory correctly and for the activation of population alert procedures for the protection of human lives. As part of the SNPA Guidelines for monitoring landslides (SNPA, 2021), ISPRA has conceived and implemented the national register of monitoring systems in order to carry out a survey of active or disused networks on the national territory, also with a view to an enhancement of the same to monitor landslides affecting inhabited centers and communication infrastructures. The registry contains overall information on 616 monitoring systems, of which 399 (65% of the total) active and 217 (35%) decommissioned. The data relating to the monitoring systems can be consulted on the IdroGEO Platform (Iadanza et al.,2021a, Iadanza et al., 2021b, Idrogeo, 2022). The monitored landslides can be viewed by activating the information level "Monitored landslides" from the list of layers and highlighted on the map.

Fig. 5. IdroGEO Portal that contains also the IFFI inventory.

4. Conclusions and future development The work indicates some improvement for the assessment of the landslide attention class that can be usefully applied to improve the evaluation of overall attention class of the bridges. The proposed methods can also be applied to the overall calculation of the landslide hazards and risks of the entire road branch in order to have more complete hazard identification as proposed in Ansfisa SMS (Ansfisa,2022) and International Trasport Forum RISM (ITF, 2015). In the near future, the metods and indicators suggested in the present work, within the procedure described in the Bridge Guidelines can be integrated into existing Web GIS public platforms (Malet 2007, Tofani, 2012, Pellicani, 2017, FEMA 2022, FEMA 2020) to depict the bridge ACs in the road network and give more specific information to the operators involved in planning and management. References

MIMS, 2020. Guidelines on Risk Classification and Management, Safety Assessment and Monitoring of Existing Bridges