Identifying the best mixing procedure practice for ready-mix concrete plant production of carbon fibre reinforced electrically conductive concrete

dc.contributor.author Rahman, Md Lutfor
dc.contributor.author Malakooti, Amir
dc.contributor.author Ceylan, Halil
dc.contributor.author Kim, Sunghwan
dc.contributor.author Taylor, Peter C.
dc.contributor.department Civil, Construction and Environmental Engineering
dc.contributor.department Institute for Transportation
dc.date.accessioned 2023-11-27T16:30:34Z
dc.date.available 2023-11-27T16:30:34Z
dc.date.issued 2023-06-21
dc.description.abstract Electrically-conductive concrete (ECON) can generate heat for melting pavement ice if an electrical voltage is applied, and this ECON-heated pavement system (HPS) is a viable alternative to the traditional snow removal methods. This study aimed at determining mixture proportions and procedures suitable for ready-mix concrete-plant-produced carbon fibre (CF)-reinforced ECON. Trial batches ECON production involving five different mixture proportions and procedures were performed at a ready-mix concrete plant. Study results suggest that CF begins to degrade with increased mixing time. A twelve-minute mixing time from the start of loading CF onto the mixer until the end produced the best-performing ECON, with an electrical resistivity of 224 Ω-cm and a heat-generation rate of 2°C/min. Scanning electron microscopic (SEM) image analysis shows that CF remained as blobs of fibre instead of being uniformly dispersed. Further research is recommended to find an efficient way of separating individual CF from the blobs and ensuring uniform CF dispersion to reduce the dosage rate and construction cost of ECON.
dc.description.comments This is a manuscript of an article published as Rahman, Md Lutfor, Amir Malakooti, Halil Ceylan, Sunghwan Kim, and Peter C. Taylor. "Identifying the best mixing procedure practice for ready-mix concrete plant production of carbon fibre reinforced electrically conductive concrete." International Journal of Pavement Engineering 24, no. 1 (2023): 2225119. doi: https://doi.org/10.1080/10298436.2023.2225119. Posted with Permission. CC BY-NC. Copyright The Authors 2023.
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/6wBlD46r
dc.language.iso en
dc.publisher Taylor and Francis
dc.source.uri https://doi.org/10.1080/10298436.2023.2225119 *
dc.subject.disciplines DegreeDisciplines::Engineering::Civil and Environmental Engineering::Construction Engineering and Management
dc.subject.keywords Electrically conductive concrete
dc.subject.keywords Carbon fiber
dc.subject.keywords Ready-mix concrete
dc.subject.keywords Resistive heating
dc.title Identifying the best mixing procedure practice for ready-mix concrete plant production of carbon fibre reinforced electrically conductive concrete
dc.type Article
dspace.entity.type Publication
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