A probabilistic approach to CPTU interpretation for regional-scale geotechnical modelling

L. Tonni, M.F. García Martínez, Irene Rocchi, S. Zheng, Z.J. Cao, L. Martelli, L. Calabrese

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Abstract

The paper describes part of a study carried out to develop the geotechnical model of a coastal area on the Adriatic Sea, between the municipalities of Cesenatico and Bellaria-Igea Marina in the Emilia-Romagna region (Italy). A large experimental database, provided by the Geological, Seismic and Soil Survey of the Emilia-Romagna Authority, was used to develop a stratigraphic model of the upper 30 m subsoil of this coastal area, together with estimates of the mechanical parameters of the different soil units. A Bayesian approach was used to identify the most probable number of soil layers and their thicknesses, based on the Soil Behaviour Type Index obtained from CPTU results. This tool has already been used for small scale areas and its implementation in large datasets could eventually provide a preliminary estimate of the expected soil conditions at a site, taking into account statistically the inherent spatial variability in a rational and transparent way.
Original languageEnglish
Title of host publicationCone Penetration Testing 2018 : Proceedings of the 4th International Symposium on Cone Penetration Testing
PublisherCRC Press
Publication date2018
Pages629-634
ISBN (Print)978-1-138-58449-5
ISBN (Electronic)9780429000485
Publication statusPublished - 2018
Event4th International Symposium on Cone Penetration Testing - Delft, Netherlands
Duration: 21 Jun 201822 Jun 2018
Conference number: 4

Conference

Conference4th International Symposium on Cone Penetration Testing
Number4
CountryNetherlands
CityDelft
Period21/06/201822/06/2018

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