Abstract
Widespread liquefaction phenomena may also occur in surface alluvial intermediate soils composed of alternations of saturated sandy silts, silts, silty and clayey sands, during earthquakes of moderate magnitude as experienced for the 2012 Emilia Romagna seismic sequence. By the consequence, liquefaction hazard evaluation has been included in the most recent 3rd level microzonation studies promoted by some Regional Governments. The paper presents the results of one of those studies performed for the municipality of Barberino di Mugello that falls within a high seismicity area of Central Italy including typical Appennine intramontane basins where surface alluvial soil layers that overlay fluvio-lacustrine soil deposits can be frequently encountered. With reference to the studied area, the liquefaction potential and the expected settlements of intermediate soil deposits are calculated by using different simplified methods and the corresponding liquefaction hazard maps are presented and discussed.
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Acknowledgements
This study was supported by Tuscany Regional Government, Fondazione Cassa di Risparmio di Firenze and DPC-ReLUIS Research Project 2014–2018.
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Facciorusso, J., Madiai, C., Vannucchi, G., Gargini, E., Baglione, M. (2020). Liquefaction Hazard Evaluation for a 3rd Level Microzonation Study in a High Seismicity Area of Central Italy. In: Calvetti, F., Cotecchia, F., Galli, A., Jommi, C. (eds) Geotechnical Research for Land Protection and Development. CNRIG 2019. Lecture Notes in Civil Engineering , vol 40. Springer, Cham. https://doi.org/10.1007/978-3-030-21359-6_37
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