Download Identification and Mitigation of Large Landslide Risks in by Ch. Bonnard, F. Forlati, C. Scavia PDF
By Ch. Bonnard, F. Forlati, C. Scavia
As huge landslides may have severe affects on inhabitants, infrastructure and the surroundings, methodologies for the overview and mitigation of dangers are presently significant concerns. As early identity is vital for enough danger evaluate, the contents of this article is going to absolutely end up a useful source for researchers and practitioners of landslide probability id and mitigation. Bringing jointly services from a few similar disciplines, this e-book analyzes the dangers posed via chosen huge landslides and their direct and oblique effects, in addition to technical and social affects
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Extra info for Identification and Mitigation of Large Landslide Risks in Europe: Advances in Risk Assessment
Example text
3 EXPRESSION OF THE CONSEQUENCES INDUCED BY LARGE LANDSLIDES In order to assess the risks induced by large landslides, it is necessary to determine in which way the hazard situations investigated in a dangerous area may affect the population, the buildings and infrastructures, as well as the environment. Indeed, risks do exist only if a potential damage of a given magnitude may be determined, whatever its characteristics are. Therefore, the notion of direct and indirect impact has to be defined first.
This approach, implying a combination of both parameters in order to quantify the hazard level, will nevertheless allow a quantitative risk assessment which can be used to manage the exposed areas. The proposed hazard qualification through a matrix system can be adapted in a flexible way to quantitative values when relevant information exists concerning either intensity ranges, obtained for instance by mechanical modelling, or probability ranges, based on the analysis of statistical data. Of course, the corresponding hazard value only has meaning as a range which will qualify a certain surface extent on a map; such an analysis cannot reasonably be done for a specific point or individual object exposed to a certain danger.
UNIVERSITAT POLITÈCNICA DE CATALUNYA (UPC)/ TECHNICAL UNIVERSITY OF CATALONIA (Barcelona, Spain) DEPARTAMENT D’ENGINYERIA DEL TERRENY, CARTOGRÀFICA I GEOFÍSICA This UPC Department forms a leading centre of research in the field of Soil and Rock Mechanics, in landslide hazards and landslide modelling, in the numerical analysis of coupled thermo-hydro-mechanical problems, and in laboratory and fieldwork. The Department has been considered as a Centre of Excellence for Research within the Catalonian Research Plan framework.