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Paper I.2

Simulation of Thermal Cracking in Massive Hardening Concrete Elements using an Internal Parameter Related to the Hydration Reaction

doi:10.4203/ccp.67.1.2

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G. de Schutter, "Simulation of Thermal Cracking in Massive Hardening Concrete Elements using an Internal Parameter Related to the Hydration Reaction", in B.H.V. Topping, (Editor), "Computational Techniques for Materials, Composites and Composite Structures", Civil-Comp Press, Edinburgh, UK, pp 7-14, 2000. doi:10.4203/ccp.67.1.2

Abstract

In massive hardening concrete elements early age thermal cracking due to the heat of hydration might occur, reducing the service life of the structure. At Ghent University, a simulation procedure is developed, based on the degree of hydration as a fundamental parameter. This parameter describes the evolution of the thermal and mechanical properties of the hardening concrete. Using this degree of hydration based approach, accurate finite element simulations can be obtained for the problem of early age thermal cracking, by means of a staggered analysis. The time dependent material behaviour is implemented by means of a Kelvin chain. The cracking behaviour is implemented using a smeared cracking approach with non-linear softening behaviour. The results of the model are verified by means of some experimental results. A good agreement has been noticed.

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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: 67 COMPUTATIONAL TECHNIQUES FOR MATERIALS, COMPOSITES AND COMPOSITE STRUCTURES Edited by: B.H.V. Topping Paper I.2 Simulation of Thermal Cracking in Massive Hardening Concrete Elements using an Internal Parameter Related to the Hydration Reaction G. de Schutter Magnel Laboratory for Concrete Research, University of Ghent, Ghent, Belgium doi:10.4203/ccp.67.1.2 purchase the full-text of this paper Full Bibliographic Reference for this paper G. de Schutter, "Simulation of Thermal Cracking in Massive Hardening Concrete Elements using an Internal Parameter Related to the Hydration Reaction", in B.H.V. Topping, (Editor), "Computational Techniques for Materials, Composites and Composite Structures", Civil-Comp Press, Edinburgh, UK, pp 7-14, 2000. doi:10.4203/ccp.67.1.2 Abstract In massive hardening concrete elements early age thermal cracking due to the heat of hydration might occur, reducing the service life of the structure. At Ghent University, a simulation procedure is developed, based on the degree of hydration as a fundamental parameter. This parameter describes the evolution of the thermal and mechanical properties of the hardening concrete. Using this degree of hydration based approach, accurate finite element simulations can be obtained for the problem of early age thermal cracking, by means of a staggered analysis. The time dependent material behaviour is implemented by means of a Kelvin chain. The cracking behaviour is implemented using a smeared cracking approach with non-linear softening behaviour. The results of the model are verified by means of some experimental results. A good agreement has been noticed. 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 £92 +P&P)
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