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Innovative Vulnerability and Risk Assessment of Urban Areas against Flood Events: Prognosis of Structural Damage with a New Approach Considering Flow Velocity

  • The floods in 2002 and 2013, as well as the recent flood of 2021, caused billions Euros worth of property damage in Germany. The aim of the project Innovative Vulnerability and Risk Assessment of Urban Areas against Flood Events (INNOVARU) involved the development of a practicable flood damage model that enables realistic damage statements for the residential building stock. In addition to theThe floods in 2002 and 2013, as well as the recent flood of 2021, caused billions Euros worth of property damage in Germany. The aim of the project Innovative Vulnerability and Risk Assessment of Urban Areas against Flood Events (INNOVARU) involved the development of a practicable flood damage model that enables realistic damage statements for the residential building stock. In addition to the determination of local flood risks, it also takes into account the vulnerability of individual buildings and allows for the prognosis of structural damage. In this paper, we discuss an improved method for the prognosis of structural damage due to flood impact. Detailed correlations between inundation level and flow velocities depending on the vulnerability of the building types, as well as the number of storeys, are considered. Because reliable damage data from events with high flow velocities were not available, an innovative approach was adopted to cover a wide range of flow velocities. The proposed approach combines comprehensive damage data collected after the 2002 flood in Germany with damage data of the 2011 Tohoku earthquake tsunami in Japan. The application of the developed methods enables a reliable reinterpretation of the structural damage caused by the August flood of 2002 in six study areas in the Free State of Saxony.show moreshow less

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  • Gefördert durch das Programm Open Access Publizieren der DFG und den Publikationsfonds der Bauhaus-Universität Weimar.

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Metadaten
Document Type:Article
Author:Dr.-Ing. Holger MaiwaldORCiDGND, Dr.-Ing. Jochen SchwarzGND, Christian Kaufmann, Tobias Langhammer, Sebastian GolzORCiDGND, Theresa Wehner
DOI (Cite-Link):https://doi.org/10.3390/w14182793Cite-Link
URN (Cite-Link):https://nbn-resolving.org/urn:nbn:de:gbv:wim2-20221012-47254Cite-Link
URL:https://www.mdpi.com/2073-4441/14/18/2793
Parent Title (English):Water
Publisher:MDPI
Place of publication:Basel
Language:English
Date of Publication (online):2022/10/11
Date of first Publication:2022/09/08
Release Date:2022/10/12
Publishing Institution:Bauhaus-Universität Weimar
Institutes and partner institutions:Fakultät Bauingenieurwesen / Erdbebenzentrum
Volume:2022
Issue:Volume 14, issue 18, article 2793
Pagenumber:28
First Page:1
Last Page:28
Tag:OA-Publikationsfonds2022
Hochwasserschadensmodell; Schadensprognose; Strukturschaden; Strömungsgeschwindigkeit
GND Keyword:Bauschaden; Hochwasser
Dewey Decimal Classification:600 Technik, Medizin, angewandte Wissenschaften / 620 Ingenieurwissenschaften
BKL-Classification:50 Technik allgemein / 50.33 Technische Strömungsmechanik
Open Access Publikationsfonds:Open-Access-Publikationsfonds 2022
Licence (German):License Logo Creative Commons 4.0 - Namensnennung (CC BY 4.0)