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A new model for consideration of flow velocity in flood damage and loss prognosis

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Science and practice for an uncertain future - 11_9.pdf (8.015Mb)
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Link to refer to this document:
10.3311/FloodRisk2020.11.9
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  • FLOODrisk2020 [93]
Abstract
Reliable prognoses of building damage caused by flood impact require realistic relationships between action and damage or loss describing parameters. A remarkable progress is reached with the EDAC flood damage model which takes into account the vulnerability of the different building types and allows the prediction of structural damage as a function of flow velocity and inundation level over the specific energy height. The paper discusses an extended method for the prognosis of structural damages and provides refined correlations between inundation level, moderate to high flow velocities in dependence of the vulnerability of the different building types and the number of stories of the building. For lower flow velocities, typical for river floods, the study is based on a comprehensive qualified damage dataset collected after the flood 2002 in Saxony. Due to the lack of reliable damage data caused by high flow velocities in flash flood events, an innovative approach is adopted to extend the damage database by including and reevaluating the damage data from the tsunami after the 2011 Tohoku earthquake in Japan. The developed tools are applied to the re-interpretation of the August 2002 flood damage. The calculated damage grades are transferred into loss statements. Results of the approach are presented for different study areas in the Free State of Saxony
Title
A new model for consideration of flow velocity in flood damage and loss prognosis
Author
Maiwald, Holger
Kaufmann, Christian
Langhammer, Tobias
Schwarz, Jochen
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
Version
Kiadói változat
Identifiers
DOI: 10.3311/FloodRisk2020.11.9
Title of the container document
Science and practice for an uncertain future
Document type
könyvfejezet
Document genre
Konferenciacikk

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