Rapid, non-intrusive geophysical methods for assessing dikes in urban areas - conclusions from the FloodProBE geophysics workshop - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Accéder directement au contenu
Communication Dans Un Congrès Année : 2012

Rapid, non-intrusive geophysical methods for assessing dikes in urban areas - conclusions from the FloodProBE geophysics workshop

Les méthodes géophysiques rapides et non intrusives pour l'évaluation des digues dans les zones urbaines - conclusions de l'atelier FloodProBE géophysique

Résumé

Assessing embankment dike and levee system condition is a major issue for stakeholders who manage such structures. It implies a global assessment process that includes several steps and investigation methods. One of these steps consists in implementing geophysical methods for the detection of heterogeneity and singularity zones that are potential weak points in the dike body or its foundation. Indeed, geophysics promises rapid and cost-effective characterization of the subsoil and embankment dike condition, as recommended by a number of recent National and European research initiatives. Geophysics can be used efficiently from the building phase, but also during the monitoring and diagnosis phases. Nevertheless, understanding and acceptance of the basic principles and effectiveness of geophysical methods appear to be preventing wider use in practice, as emphasized by a previous European initiative (FP6-FLOODsite). A specific task within the FloodProBE European (FP7) project is dedicated to gaining wider International agreement and harmonization on the applicability and reliability of geophysical methods for the cost-effective investigation of embankment dikes in urban environment, and hence to support asset management practice. This work has included the hosting of an international workshop on “Rapid, non-intrusive geophysical methods for assessing embankment dike condition in urban areas”. The workshop (Paris, March 2011) brought together a panel of European and worldwide geophysics experts who interacted with stakeholders involved in flood protection system management. This paper is based upon the conclusions drawn during this workshop.
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Dates et versions

hal-02597578 , version 1 (15-05-2020)

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Citer

C. Fauchard, S. Palma Lopes, M.W. Morris, J. Simm, P. Royet. Rapid, non-intrusive geophysical methods for assessing dikes in urban areas - conclusions from the FloodProBE geophysics workshop. 2nd European conference on Flood Risk Management FLOODrisk2012, Rotterdam, NLD, 19-23 November 2012, Nov 2012, Rotterdam, Netherlands. pp.481-482. ⟨hal-02597578⟩
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