Numerical Analysis of Creep and Shrinkage Behaviour of Concrete During Laboratory Tests Using Advanced Constitutive Model

Abstract

This paper utilizes a time-dependent elastoplastic material model to predict the creep and shrinkage behaviour of laboratory samples via the Finite Element Method (FEM) analysis. After describing the time-dependent behaviour of concrete, the influence of creep input parameters of the material model is analysed in a parametric study. Finally, the values of creep and shrinkage input parameters are calibrated based on real tests and subsequent usage in the numerical modelling of geotechnical structures is discussed.