Effects of Changing Surrounding Conditions on the Thermal Analysis of the Moste Concrete Dam
Publication: Journal of Performance of Constructed Facilities
Volume 30, Issue 3
Abstract
This paper deals with the heat transfer analysis of the 63-year-old and 60-m-high Moste concrete arch-gravity dam, located in Northwest Slovenia. The analysis was performed after a new sophisticated monitoring system had been established, making it possible to perform continuous measurements of the temperatures of the concrete, water, and dam surroundings, i.e., air temperatures and amount of solar insolation. An equation defining nonlinear and nonstationary heat conduction in the case of a two-dimensional space, for a homogeneous isotropic solid whose thermal conductivity is independent of temperature, was solved numerically by means of the finite-element method, taking into account appropriate boundary conditions. The latter involved the effects of changing conditions in the surroundings (i.e., shading, convection, and solar radiation) during the analyzed period of 15 consecutive clear days in the summer. The results show that the measured and calculated temperatures of the concrete at different locations, and at different depths, were in very good agreement.
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Acknowledgments
This paper is part of the research work performed within the scope of the first author’s doctoral studies and was partly funded by the European Union through the European Social Fund.
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Published In
Journal of Performance of Constructed Facilities
Volume 30 • Issue 3 • June 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Nov 6, 2014
Accepted: Mar 19, 2015
Published online: May 13, 2015
Discussion open until: Oct 13, 2015
Published in print: Jun 1, 2016
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