Geotechnics for rockfall assessment in the volcanic island of Gran Canaria (Canary Islands, Spain)

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Título: Geotechnics for rockfall assessment in the volcanic island of Gran Canaria (Canary Islands, Spain)
Autor/es: Sarro, Roberto | Mateos, Rosa María | Reichenbach, Paola | Aguilera, Héctor | Riquelme, Adrián | Hernández Gutiérrez, Luis E. | Martín, Alejandro | Barra, Anna | Solari, Lorenzo | Monserrat, Oriol | Alvioli, Massimiliano | Fernández-Merodo, José Antonio | López-Vinielles, Juan | Herrera García, Gerardo
Grupo/s de investigación o GITE: Ingeniería del Terreno y sus Estructuras (InTerEs)
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Ingeniería Civil
Palabras clave: Volcanic environment | Geotechnics | Rockfall | Modelling | Canary Islands
Área/s de conocimiento: Ingeniería del Terreno
Fecha de publicación: 17-ago-2020
Editor: Taylor & Francis
Cita bibliográfica: Journal of Maps. 2020, 16(2): 605-613. https://doi.org/10.1080/17445647.2020.1806125
Resumen: The island of Gran Canaria (Canary Islands, Spain) is characterized by a large variability of volcanic rocks reflecting its volcanic evolution. The geological map provided by Geological Survey of Spain at 1:25.000 scale shows more than 109 different lithologies and it is too complex for environmental and engineering purposes. This work presents a simplified geotechnical map with a small number of classes grouping up units with similar geotechnical behaviours. The lithologies were grouped using about 350 rock samples, collected in the seven major islands of the Archipelago. The geotechnical map was used to model rockfall hazard in the entire island of Gran Canaria, where rockfalls are an important threat. The rockfall map was validated with 128 rockfall events along the GC-200 road, located in the NW sector of Gran Canaria. About 96% of the events occurred along sections of the road where the number of expected trajectories is high or moderate.
Patrocinador/es: This work was carried out in the framework of two projects funded by the European Commission, Directorate-General Humanitarian Aid and Civil Protection (ECHO): SAFETY (Sentinel-1 for geohazard prevention and forecasting. Ref. ECHO/SUB/2015/718679/Prev02) and U-GEOHAZ (Geohazard Impact Assessment for Urban Areas. Grant Agreement No. 783169). This work has been partly funded by the University of Alicante in the framework of Quality Improvement Grant of PhD Program in Materials, Structures and Soil Engineering: Sustainable Construction, Salvador de Madariaga Mobility Program from the Spanish Ministry of Science (PRX18/00020) and the Industrial PhD Project GEODRON (IND2017/AMB-7789). We also appreciate the contribution of the MACASTAB project (Ref.: MAC/3.5b/027). The laboratory tests were carried out in the Laboratories of Building and Public Works from the Canarian Government. The methodology is also developed in the framework of the RISKCOAST project (Ref: SOE3/P4/E0868) funded by the European Regional Development Fund - Interreg programme (3rd call for proposals).
URI: http://hdl.handle.net/10045/108672
ISSN: 1744-5647
DOI: 10.1080/17445647.2020.1806125
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of Journal of Maps. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Revisión científica: si
Versión del editor: https://doi.org/10.1080/17445647.2020.1806125
Aparece en las colecciones:INV - INTERES - Artículos de Revistas

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