Abstract： Total creep of concrete was composed of basic creep and drying creep.Drying creep of concrete has two different sources of microcracking and stress-induced shrinkage.Based on the theory of pore water and microcracking,the model for drying creep caused by constant stress was derived from rheological equations.The proposed model was coupled with FEM analysis by recursive calculation,so that the creep caused by changing load can be calculated without considering stress history.Verification of the model was conducted through comparison with experimental results and Bazant’s empirical model.The comparing results validated the model for drying creep of concrete.
2012, Vol. 34 
