Electrical conductivity of the carbon fiber conductive concrete

Abstract

This paper discussed two methods to enhance the electrical conductivity of the carbon fiber(CF) electrically conductive concrete. The increase in the content of stone and the amount of water used to dissolve the methylcellulose and marinate the carbon fibers can decrease the electrical resistivity of the electrically conductive concrete effectively. Based on these two methods, the minimum CF content of the CF electrically conductive concrete for deicing or snow-melting application and the optimal ratio of the amount of water to dissolve the methylcellulose and marinate the carbon fibers were obtained.

Keywords

carbon fiber / electrical resistivity / conductive concrete

References

[1] Chiarello M., Zinno R. Electrical Conductivity of Self-monitoring CFRC[J]. Cement & Concrete Composites, 2005, 27: 463-469.

[2] Fu X. L., Chung D. D. L. Submicron Carbon Filament Cement-Matrix Composites for Electromagnetic Interference Shielding[J]. Cem. Concr. Res., 1996, 26(10): 1467-1472.

[3] Wen S. H., Chung D. D. L. Carbon Fiber-Reinforced Cement as a Thermistor[J]. Cement and Concrete Research, 1999, 29(6): 961-965.

[4] Fu X.L., Chung D. D. L. Radio-Wave Reflecting Concrete for Lateral Guidance in Automatic Highways[J]. Cement and Concrete Research, 1998, 28(6): 795-801.

[5] Shi Z. Q., Chung D. D. L. Carbon Fiber Reinforced Concrete for Traffic Monitoring and Weighing in Motion[J]. Cem. Concr. Res., 1999, 29(3): 435-439.

[6] Xie P., Beaudoin J. J. Electrically Conductive Concrete and Its Application in Deicing. Advances in Concrete Technology[C]. Proceedings. Second CANMET/ACI International Symposium, SP-154, 1995. Farmington Hills, Mich.: American Concrete Institute. 399-417.

[7] Tuan C. Y. Electrical Resistance Heating of Conductive Concrete Containing Steel Fibers and Shavings[J]. ACI Materials Journal, 2004, 101(1): 65-71.

[8] Tuan C. Y., Yehia S. Evaluation of Electrically Conductive Concrete Containing Carbon Products for Deicing[J]. ACI Materials Journal, 2004, 101(4): 287-293.

[9] Yehia S., Tuan C. Y. Conductive Concrete Overlay for Bridge Deck Deicing[J]. ACI Materials Journal, 1999, 96(3): 382-390.

[10] S Yehia, C Y Tuan. Thin Conductive Concrete Overlay for Bridge Deck Deicing and Anti-icing[J]. Journal of the Transportation Research Board, Material and Construction, Concrete 2000, No.1698, Transportation Research Council, Washington D C, 45–53

[11] Yehia S., Tuan C. Y., Ferdon D., Bing C. Conductive Concrete Overlay for Bridge Deck Deicing: Mixture Proportioning, Optimization and Properties[J]. ACI Materials Journal, 2000, 97(2): 172-181.

[12] Hou Z. F., Li Z. Q., Hu S. L., . Influence of Silica Fume on Properties of Carbon Fiber Electrically Conductive Concrete[J]. Concrete, 2003, 160(2): 26-28.

[13] Reza F., Batson G. B., Yamamuro J. A., . Volume Electrical Resistivity of Carbon Fiber Cement Composites[J]. ACI Materials Journal, 2001, 98(1): 25-35.

[14] Chen P. W., Chung D. D. L. Improving the Electric Conductivity of Composites Comprised of short Carbon Fiber in a Nonconducting Particulate Filler[J]. J. of Electronic Mat., 1995, 24(1): 47-51.