PSI - Issue 62

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Manuel D’Angelo et al. / Procedia Structural Integrity 62 (2024) 9–15 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

Fig. 6. Warning Classes and Overall Warning Class distribution of the four risks considered in the Italian Guidelines

6. Conclusions This article presents the results concerning the application of the Italian Guidelines for the classification, risk management, safety evaluation, and monitoring of existing bridges on a sample of bridges investigated by the authors. The peculiarity of the bridge sample lies in the owners of the structures, which are for the majority local municipalities in Italy. After illustrating the main structural characteristic of the bridge sample, it is shown and discussed the state of conservation and the level of risk of a sub-sample through the parameters defined in the Guidelines. Hence, the present work may provide a first large overview of the features of the bridge Italian heritage at the local level, which are mostly unknown at this date. The bridges sample is located in the central-northern part of Italy. Future works may focus on the southern territory, to verify whether the bridges present peculiar characteristics. Frangopol, D.M.; Dong, Y.; Sabatino, S. Bridge Life-Cycle Performance and Cost: Analysis, Prediction, Optimisation and Decision-Making. Struct. Infrastruct. Eng. 2017, 13, 1239 – 1257. Deng, L.;Wang,W.; Yu, Y. State-of-the-Art Review on the Causes and Mechanisms of Bridge Collapse. J. Perform. Constr. Facil. 2016, 30, 04015005. Biondini, F., Ballio, F., di Prisco, M., Bianchi, S. , D’Angelo, M., Zani, G., Capacci, L., Anghileri, M., Scalbi, A., Flores Ferreira, K., Arena, M., Azzone, G., Torti, A., Secchi, P., Vantini, S., Gentile, C., Limongelli, M.P., Borlenghi, P., Zonno, G., Benedetti, L., Cazzulani, G., Somaschini, C., Belloli, M., Resta, F., Vigo, P., Colombo, A. Risk-based prioritization and management of bridges and road infrastructure networks at regional scale, Structure and Infrastructure Engineering (Submitted), 2022. Cerema. Risk analysis of bridges on eroding site (in French). Analyse de risque des ponts en site affouillable, 2019. MIMS, 2022. Guidelines on Risk Classification and Management, Safety Assessment and Monitoring of Existing Bridges. Natali, A.; Cosentino, A.; Morelli, F.; Salvatore,W. Multilevel Approach for Management of Existing Bridges: Critical Analysis and Application of the Italian Guidelines with the New Operating Instructions. Infrastructures 2023 , 8, 70. https://doi.org/10.3390/infrastructures8040070 Bencivenga, P., Zizi, M., Palmieri G., De Matteis, G. The holistic multi-level approach of recent Italian Guidelines applied to the bridges of Caserta. Eurostruct 2023. https://doi.org/10.1002/cepa.2192 Buttarazzi, F., Chiaia, B., Marano, G.C, Palmisano, F. Assessment of existing bridges: difficulties and chal-lenges following the Italian experience. Eurostruct 2023. https://doi.org/10.1002/cepa.2180 D’Angelo M ., Ballio, F., Ravazzani, G. River Bridge Failures in Italy along the 21st Century, Proceedings of the 39th IAHR World Congress, 19 24 June 2022 Granada, Spain. 2022. Wa rdhana, K., and Hadipriono, F. “Analysis of recent bridge failures in the United States.” J. Perform. Constr. Facil. 2003, 144 – 150. References