2015•Unpublished venueRequires access

Modelling of Alkali-Silica Reaction (ASR)—Concrete Structures

Szymon Seręga, Andrzej Winnicki, Filip Norys

Abstract

Paper deals with creep effects being combined with alkali-silica reaction (ASR) in concrete. At first description of reaction kinetics is discussed, then the creep model is presented based on Model Code 2010 (MC2010) approach. An approximation of MC2010 analytical formulation in the form of Kelvin chain is proposed. Presented numerical examples show that it renders analytical formulation really well. Next a numerical algorithm developed previously by authors in order to solve chemomechanical problems is recalled. Performed exemplary numerical computations for a gravity dam show clearly that the influence of creep on the overall behavior of the structure is relatively small in comparison with effects caused by ASR itself.

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Key concepts: Alkali–silica reaction, Alkali metal, Alkali–aggregate reaction, Computer science, Materials science, Composite material, Chemistry, Organic chemistry