| Title: |
An Integrated approach to elaborate 3-D geological and geotechnical models: a case study from the Daunia Sub-Apennine (Apulia, Southern Italy) |
| Authors: |
Diprizio, Giuseppe; Andriani, Gioacchino Francesco; Loiotine, Lidia; Liso, Isabella Serena; Parise, Mario |
| Source: |
Italian journal of engineering geology and environment; 2021: Special issue: VII National Congress of AIGA (Lecco, Italy); 67-78 ; 2035-5688 ; 1825-6635 |
| Publisher Information: |
Sapienza Università Editrice |
| Publication Year: |
2021 |
| Collection: |
Sapienza Università di Roma: OJS - Open Journals Sapienza |
| Subject Terms: |
Daunia Sub-Apennine; landslide; geological model; geotechnical parametrization; dynamic cyclic test |
| Description: |
In the Daunia Sub-Apennine (Apulia, southern Italy) slope instability processes due to rainfalls and earthquakes are widespread and cause significant damage to buildings and other structures, and, in some cases, loss of life. A detailed slope stability assessment requires information on the predisposing and triggering factors, and a good knowledge of the geological and environmental conditions as well. As concerns seismic- induced landslides, conventional methods used for slope stability analysis can be divided in: i) force-based pseudo-static methods, ii) displacement-based methods, and iii) stress-strain methods. Detailed representations of geological and geotechnical units as well as static and dynamic geotechnical characterization of materials have to be considered for the correct choice of the method for slope stability analysis, since these are fundamental for slope behaviour prediction and modelling. The purpose of this paper was to present a methodological approach for elaborating detailed 3-D geological and geotechnical models for areas very heterogeneous in terms of geological and soil properties. In the southern portion of the eastern Daunia Sub-Apennine, the outermost formations of the chain domain crop out. These are represented by the Cretaceous-Miocene and Pliocene wedge-top basin units, followed upwards, in the easternmost portion, by the Plio-Pleistocene foredeep units and by Quaternary filling deposits. A high susceptibility to slope failures for the area is testified by the large number of slope movements consisting in mud flows, roto-translational and composite landslides, and soil slips. Field variability of the slope movements from site to site for mechanisms, velocity, depth of rupture surfaces and volume of materials involved is due to the presence of structurally complex formations, characterised by very poor mechanical properties and high variability of their lithological and structural features. The construction of geological and geotechnical models able to represent realistic ... |
| Document Type: |
article in journal/newspaper |
| File Description: |
application/pdf |
| Language: |
English |
| Relation: |
https://rosa.uniroma1.it/rosa02/engineering_geology_environment/article/view/1050/920; https://rosa.uniroma1.it/rosa02/engineering_geology_environment/article/view/1050 |
| Availability: |
https://rosa.uniroma1.it/rosa02/engineering_geology_environment/article/view/1050 |
| Rights: |
Copyright (c) 2021 Italian journal of engineering geology and environment ; https://creativecommons.org/licenses/by-nc-sa/4.0 |
| Accession Number: |
edsbas.708BA4E3 |
| Database: |
BASE |