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Geophysical and geotechnical data fusion for protection dikes characterization

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Science and practice for an uncertain future - 17_21.pdf (2.309Mb)
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Link to refer to this document:
10.3311/FloodRisk2020.17.21
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  • FLOODrisk2020 [93]
Abstract
Dike ruptures may lead to disastrous consequences such as loss of lives and economic disasters. To prevent the risk of breakage, special supervision of the hydraulic structure is required. Usual methodologies for the reconnaissance of earthen dikes include complementary geophysical and geotechnical investigation methods. This paper introduces a new methodology to combine data from these two types of information sources, taking into consideration their specificities (respective level of imperfections and spatial distribution). This innovative procedure considers the mathematical belief masses theory and improves the characterization of lithological materials within a real case study. It provides information on the level of conflict between information sources as well as displays a confidence index associated with the results. The considered investigation campaign involves electrical resistivity tomography, multi-channel analysis of surface waves as well as core drilling with particle-size analysis from laboratory testing. The fusion results highlight the capacity of this combination methodology to characterize the lithological sets and to indicate the interfaces’ positions as well as associated levels of confidence.
Title
Geophysical and geotechnical data fusion for protection dikes characterization
Author
Dezert, Théo
Lopes, Sérgio Palma
Fargier, Yannick
Vergniault, Christophe
Courivaud, Jean-Robert
Date of issue
2021
Access level
Open access
Copyright owner
Full or partial reprint or use of the papers is encouraged, subject to due acknowledgement of the authors and its publication in these proceedings. The copyright of the research resides with the authors of the paper, with the FLOODrisk consortium.
Conference title
FLOODrisk 2020 - 4th European Conference on Flood Risk Management
Conference place
Online
Conference date
2021.06.22-2021.06.24
Language
en
Subject
fusion, geophysics, geotechnics
Version
Kiadói változat
Identifiers
DOI: 10.3311/FloodRisk2020.17.21
Title of the container document
Science and practice for an uncertain future
Document type
könyvfejezet
Document genre
Konferenciacikk

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Content by
Theme by 
Atmire NV
DSpace software copyright © 2002-2016  DuraSpace
Contact Us | Send Feedback

Content by
DSpace software copyright © 2002-2016  DuraSpace
Contact Us | Send Feedback
Theme by 
Atmire NV