Stochastic fatigue damage model for concrete under complex stress states

This paper presents a stochastic fatigue damage model for concrete subjected to complex stress states. A constitutive framework considering the tensile and shear damage mechanisms and elastic and plastic energy dissipations is employed. The damage law is established through a multiscale analysis of the damage evolution mechanism. Validation results against test data show that the model can effectively predict the static strength, stress-strain curve, fatigue life, and scattering range of concrete under various multidimensional loading scenarios.

Automated summary

This paper presents a stochastic fatigue damage model for concrete subjected to complex stress states. The model employs a constitutive framework that considers tensile and shear damage mechanisms, as well as elastic and plastic energy dissipations. The damage law is established through a multiscale analysis of the damage evolution mechanism. The model effectively predicts the static strength, stress-strain curve, fatigue life, and scattering range of concrete under various multidimensional loading scenarios, as validated against test data.