Towards a more fundamental non-linear basic creep model for early age concrete

Based on an extensive experimental programme a new model is proposed for the basic creep of early age concrete in compression. In this model the degree of hydration is an important parameter influencing the creep evolution as well as the final creep value. In this way the fundamental nature of the degree of hydration in the early age basic creep behaviour is illustrated. The non-linearity of the basic creep at early ages is taken into account.