Use of the new dynamic cone penetrometer for the study of soil liquefaction along the Kupa River, Petrinja area (Croatia)

Anh-Tuan Luong (1) , Denis Moiriat (2) , Philippe Reiffsteck (3) , Miguel Benz Navarette (1) , Josipa Maslac (4) , Branko Kordić (5) , Jochen Hürtgen (4) , Margret M. Ms Mathes-Schmidt (4) , Alexander Koelzer (4) , Kim Josephine Louis (4) , Hanna Perrey (4) , Christian Spiekermann (4) , Lisa Vosskuehler (4) , Radovan Filjak (5) , Nikola Belić (5) , Marko Budić (5) , Stephane Baize (6)

1 SOL SOLUTION RIOM
2 IRSN/PSE-ENV/SCAN/BEHRIG - Bureau d'expertise en hydrogéologie, risques Inondation, météorologiques et géotechniques
3 GERS-SRO - Sols, Roches et Ouvrages Géotechniques
4 UKA - Universitätsklinikum RWTH Aachen - University Hospital Aachen [Aachen, Germany]
5 Faculty of Science [Zagreb]
6 IRSN/PSE-ENV/SCAN/BERSSIN - Bureau d'évaluation des risques sismiques pour la sûreté des installations

During the Petrinja earthquake sequence in December 2020, numerous liquefied sand ejections came to the surface along the Kupa, Sava and Glina rivers in Quaternary alluvial sediments. In October 2022, we performed field investigation in the epicentral area, involving geotechnical and geophysical techniques, at different sites with sand ejecta or lateral spreading along the Kupa river. Geotechnical soundings were carried out with variable energy dynamic cone penetrometer. We used both Light Dynamic Penetrometer (DPL-Panda) and its Super Heavy version (DPSH-Grizzly), to evaluate the soil characteristics and to specify the geometries of the various subsurface sedimentary layers. This paper presents one of the ground site models based on DPL and DPSH tests along with Electrical Resistivity Tomography (ERT) profiles. The resulting models will contribute to a better understanding of mechanical characteristics of soils and their potential to liquefy

Mots clés: Liquefaction; Kupa river; Croatia; geotechnical investigations; dynamic penetration; geotechnical model; geophysical investigations

Domaines: Sciences de l'ingénieur [physics]

Anh-Tuan Luong, Denis Moiriat, Philippe Reiffsteck, Miguel Benz Navarette, Josipa Maslac, et al.. Use of the new dynamic cone penetrometer for the study of soil liquefaction along the Kupa River, Petrinja area (Croatia). 9th Conference of Croatian Geotechnical Society with international participation and under the auspices of ISSMGE, May 2023, Zagreb, Croatia. pp.101-110. ⟨hal-04414348⟩