Self-heating and deicing conductive cement. Experimental study and modeling

被引：140
|
作者：
Gomis, J. [1 ]
Galao, O. [1 ]
Gomis, V. [2 ]
Zornoza, E. [1 ]
Garces, P. [1 ]
机构：
[1] Univ Alicante, Dept Civil Engn, E-03080 Alicante, Spain
[2] Univ Alicante, Dept Chem Engn, E-03080 Alicante, Spain
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2015年 / 75卷
关键词：
Temperature; Cement paste; Composite; Modeling; MECHANICAL-PROPERTIES; CONCRETE OVERLAY; CARBON; CORROSION; STRAIN; COMPOSITES; FIBERS;
D O I：
10.1016/j.conbuildmat.2014.11.042
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This research studies the self-heating produced by the application of an electric current to conductive cement pastes with carbonaceous materials. The main parameters studied were: type and percentage of carbonaceous materials, effect of moisture, electrical resistance, power consumption, maximum temperature reached and its evolution and ice melting kinetics are the main parameters studied. A mathematical model is also proposed, which predicts that the degree of heating is adjustable with the applied voltage. Finally, the results have been applied to ensure that cementitious materials studied are feasible to control ice layers in transportation infrastructures. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：442 / 449
页数：8
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