Abstract

Concrete is the most widely used construction material, and carbon nanofibers have manyadvantages in both mechanical and electrical properties such as high strength, high Young’smodulus and high conductivity. In this paper, the mechanical and electrical properties ofconcrete containing carbon nanofibers (CNF) are experimentally studied. The test resultsindicate that the compressive strength and per cent reduction in electrical resistance whileloading concrete containing CNF are much greater than those of plain concrete. Finally, areasonable concentration of CNF is obtained for use in concrete which not only enhancescompressive strength, but also improves the electrical properties required forstrain monitoring, damage evaluation and self-health monitoring of concrete.

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