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Author(s):	Starl, Hans
Title:
Abstract:	In den letzten Jahren kam es in Österreich vermehrt zu Schäden durch Hochwasser bzw. Hangwasserabflüssen, die von kurzzeitigen, starken Niederschlägen ausgelöst wurden. Im Rahmen einer Modellierung und Analyse von realen Starkregenereignissen mit Schadensfolgen, wie sie sich 2016 in Laakirchen/Oberösterreich ereigneten, wird die Zuverlässigkeit von Hangwassersimulationen im Vergleich zu realen Abflussaufzeichnungen untersucht und das Simulationsmodell validiert. Darauf aufbauend werden die festgestellten Übereinstimmungen und Abweichungen, welche zwischen den Ergebnissen aus den Simulationsrechnungen und den realen Ereignissen erkannt werden, dargelegt und genauer untersucht. Ziel dieser Analyse ist, Möglichkeiten aufzuzeigen, wie zu erwartende Gebäudeschäden durch Hangwasserabflüsse im Vorfeld mit validierten Hangwassersimulationen erkannt werden können bzw. wo die Simulationsrechnung Limitierungen hat. Modelling of pluvial flooding and its possibilities to estimate potential risks to buildings In recent years, there has been an increasing amount of damage in Austria due to pluvial floods which were triggered by short-term, high-intensity precipitation. As part of a modelling and analysis of real, heavy rainfall events with damaging effects in the year 2016 in Laakirchen, Upper Austria, the reliability of pluvial flooding simulations is investigated by means of real runoff records. Based on these validations, it is shown how to identify potential buildings at risk with the help of pluvial flood simulation tools. The aim of this combined risk assessment is to analyze identification of buildings at risk as well as to demonstrate limitations of current, commonly-used pluvial flood simulation tools.
Source:	Bautechnik 97 (2020), No. 4
Page/s:	255-267
Language of Publication:	German

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