Journal
Scientific and Technical Journal of Information Technologies, Mechanics and Optics
UDK538.958; 538.935
Issue:1 (113)
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CONDUCTIVE CONCRETE COMPOSITION
Annotation
This paper describes our study of conductive concrete, the conductivity of which is achieved through the introduction of a carbon fiber stabilized by an inorganic surfactant in a concentration of 0.12w.%. Research methods are: infrared spectroscopy, optical microscopy and conductivity measurement. Carbon fiber and its surface structure were investigated by infrared spectroscopy; based on the obtained results inorganic surface-active substance was selected. The electrical characteristics of the material were investigated. It is shown that the conductivity exhibits percolation-type behavior. There is an irreversible increase in electrical conductivity when a current of about 250 mA/cm2 and more is passed.Possible mechanisms of this phenomenon are discussed.
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