Concrete Slab Installed with Carbon Fiber Heating Wire for Bridge Deck Deicing
Publication: Journal of Transportation Engineering
Volume 136, Issue 6
Abstract
A method of deicing with carbon fiber heating wire (CFHW) buried inside concrete slab is presented in this paper, which avoids the negative effects on structure function and environment caused by traditional deicing salt. The rational interval range of CFHW buried inside concrete slab is determined by the temperature field of four heating CFHW and the minimum input powers for deicing under the conditions of different air temperatures and ice thicknesses are summarized by the laboratory experiments. Snow melts more quickly than the ice with same weight under the same input power condition by comparison the deicing processes in refrigerator. The field experiments of concrete slab performed satisfactorily: the snow on slab with the thickness of 10, 40, and 70 mm was melted in 0.75, 2.5, and 3.5 h, respectively, under an appropriate input power. It demonstrated that the electrothermal method of CFHW for bridge deck deicing is practicable.
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Acknowledgments
The writers would appreciate the directional advice and the kind financial support provided by Shandong Province Department of Roads. Also, the writers would like to thank all the teachers and colleagues of State Key Laboratory of Coastal and Offshore Engineering in Dalian University of Technology for the valuable advice and selfless help.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 136 • Issue 6 • June 2010
Pages: 500 - 509
Copyright
© 2010 ASCE.
History
Received: May 7, 2009
Accepted: Oct 1, 2009
Published online: Oct 9, 2009
Published in print: Jun 2010
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