Zeitvariantes Trag- und Schädigungsverhalten von mehrfach wiederholt beanspruchtem polymermodifizierten Beton (PCC), Teil 1: Experimentelle Untersuchungen
|Published in:||Beton- und Stahlbetonbau, November 2009, n. 11, v. 104|
Time-variant Behaviour of Polymer Modified Concrete (PCC) under Repeated Stress with Consideration of Damage. Part 1: Experimental Studies
The experimental results of the investigations into polymer-modified concrete with continuously repeated compression or tension load are introduced in the provided work and compared to similar experiments on normal- and high-strength concrete. Special attention is dedicated to the stress-strain relation and the degradation of stiffness as well as the non-linear long-term behaviour and tension-stiffening. Stiffness degradation and nonlinear creep of polymer-modified concrete show that maximum strain situations have to be taken into consideration of the behaviour analysis of concrete structures under long-term loading.
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