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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Multi-Scale and Multi-Thermo-Mechanical Modeling of Cementitious Composites for Performance Assessment of Reinforced Concrete Infrastructures
verfasst von : Koichi Maekawa
Erschienen in: Computational Structural Engineering
Verlag: Springer Netherlands
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Coupled analysis of mass transport and damage mechanics associated with steel corrosion is presented for structural performance assessment of reinforced concrete. Multi-scale modeling of micro-pore formation and transport phenomena of moisture and ions are mutually linked for predicting the corrosion of reinforcement and volumetric changes. The interaction of crack propagation with corroded gel migration is simulated. Two computer codes for multi-chemo physical simulation (
DuCOM
) and nonlinear dynamic mechanics of structural concrete (
COM3
) were combined and verified by the laboratory scale experiments of damaged reinforced concrete members under static and dynamic loads, and has been applied to safety and serviceability assessment of existing infrastructures.