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Author(s):	Heidolf, T.
Title:
Abstract:	Auf Basis der in Teil 1 beschriebenen Versuchsergebnisse und der visko-elastisch-plastischen Kontinuumsschädigungstheorie werden rheologische Modelle zur Beschreibung des zeit- und beanspruchungsabhängigen Tragverhaltens von Beton vorgestellt. Die numerische Umsetzung erfolgt unter Berücksichtigung des zeitabhängigen Betonverhaltens auf der Basis des Hamilton-Prinzips unter Vernachlässigung der Trägheitskräfte. Die Simulation des beanspruchungsabhängigen Tragverhaltens von Stahlbetonverbundquerschnitten verdeutlicht die Qualität und Leistungsfähigkeit der vorgeschlagenen Modellbildung. Ferner werden ausgewählte praxisrelevante Fragestellungen zum zeit- und beanspruchungsabhängigen Betontragverhalten numerisch untersucht. Time-Variant Behaviour of Polymer Modified Concrete (PCC) under Repeated Stress with Consideration of Damage Part 2: Modelling the Behaviour of Concrete Based on experimental results which are described in Part 1 and the theory of visco-elastic-plastic continuum damage, rheological models are used to calculate the time- and damage-dependent behaviour of concrete. The numerical concept is based on the Hamilton-principle. The efficiency of the models was proven by numerical simulation of concrete or reinforced concrete cross sections. In addition, selected practical-relevant questions about time- and load-dependent behaviour of concrete are numerically investigated.
Source:	Beton- und Stahlbetonbau 104 (2009), No. 12
Page/s:	823-834
Language of Publication:	German

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