Abstract
AbstractIn order to solve the impact of road ice and snow on traffic, carbon fiber modified‐electrically conductive concrete (ECON) was prepared in the laboratory and applied in road engineering. The workability, mechanical properties, electrical conductivity and electro‐thermal effect of ECON were investigated. The microstructure was analyzed by scanning electron microscope. The results show that ECON with compressive strength grade of 30 MPa and resistivity of 0.1 Ω∙cm can be prepared by using carbon fibers with volume content of 0.75% and length of 9 mm. Semi‐dry mixing method and the use of cellulose ether have good dispersion effect on the carbon fibers. The performance of ECON in laboratory and field was compared and the ECON had a good workability, higher strength and lower resistivity in site construction for the high‐power force mixer was used.
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