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2 — D model for carbonation and moisture/heat flow in porous materials |
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| Authors: | Anna V. Saetta Bernhard A. Schrefler Renato V. Vitaliani |
| Affiliation: | a Dipartimento di Costruzione dell'Architettura Istituto Universitario di Architettura — Tolentini 191 — 30135 —, Venezia —, Italy b Istituto di Scienza e Tecnica delle Costruzioni Universita di Padova — Via Marzolo 9 — 35131 —, Padova —, Italy |
| Abstract: | The previously-published one-dimensional finite element model for the analysis of the carbonation mechanism is extended to two-dimensional problems. The governing equations for the propagation of aggressive agents through concrete are rewritten for two-dimensional domains. A comparison is made with the one-dimensional model and some examples are developed to test the method. Finally, the study of a reinforcing bar placed at the corner of a concrete structure is presented in detail to show that the proposed numerical model is able to demonstrate the effects of the multidimensional moisture, heat and carbon dioxide transport through concrete. |
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