ABSTRACT
Concrete pavements underlie climatic and interfering mechanical impacts as well as additional stresses resulting from construction conditions or the construction method. An Alkali-Silica Reaction (ASR), on the other hand, leads to expansion and strain. These two combined load cases may cause cracking. The aim of this work is to investigate the macroscopic behaviour of the different exposures. For this purpose an appropriate numerical model has to be developed, which allows describing the complex interactions. By means of extensive experimental fracture mechanical examinations the temporal change of strength and deformation of concrete due to ASR is investigated. Based on this work, it will be possible to develop suitable measures to reduce the risk of cracking and possibly to prevent any damage in the future.
