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J. Kruis and T. Koudelka

Department of Mechanics, Faculty of Civil Engineering, Czech Technical University in Prague, Czech Republic

doi:10.4203/ccp.108.4

J. Kruis, T. Koudelka, "Coupled Heat and Moisture Transport in Partially Damaged Concrete", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 4, 2015. doi:10.4203/ccp.108.4

Keywords: damage mechanics, moisture transport, isotropic damage model, fully coupled model, permeability.

Summary

The paper deals with coupling of damage mechanics and heat and moisture transport. Damage mechanics can be used for the description of stiffness degradation due to the loading exceeding a certain limit and micro-cracks or voids evolve.

These voids and cracks influence moisture transport significantly. For the low values of damage, the Picandet relation between permeability and crack width can be used while for the higher values of damage, the Hagen-Poisseuille law is exploited. The behaviour of a coupled thermo-hydro-mechanical model is demonstrated in a numerical simulation of a storage tank and a four-point shear test of a beam.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 108 PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping Paper 4 Coupled Heat and Moisture Transport in Partially Damaged Concrete J. Kruis and T. Koudelka Department of Mechanics, Faculty of Civil Engineering, Czech Technical University in Prague, Czech Republic doi:10.4203/ccp.108.4 purchase the full-text of this paper Full Bibliographic Reference for this paper J. Kruis, T. Koudelka, "Coupled Heat and Moisture Transport in Partially Damaged Concrete", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 4, 2015. doi:10.4203/ccp.108.4 Keywords: damage mechanics, moisture transport, isotropic damage model, fully coupled model, permeability. Summary The paper deals with coupling of damage mechanics and heat and moisture transport. Damage mechanics can be used for the description of stiffness degradation due to the loading exceeding a certain limit and micro-cracks or voids evolve. These voids and cracks influence moisture transport significantly. For the low values of damage, the Picandet relation between permeability and crack width can be used while for the higher values of damage, the Hagen-Poisseuille law is exploited. The behaviour of a coupled thermo-hydro-mechanical model is demonstrated in a numerical simulation of a storage tank and a four-point shear test of a beam. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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