Snow Melting Performance of Graphene Composite Conductive Concrete in Severe Cold Environment

The use of conductive concrete is an effective way to address snow and ice accretion on roads in cold regions because of its energy saving and high efficiency without interruption of traffic. Composite conductive concrete was prepared using graphene, carbon fiber, and steel fiber, and the optimum do...

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Autores principales:	Xinjie Wang, Yongkang Wu, Pinghua Zhu, Tao Ning
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	graphene composite conductive concrete graphene content snowmelt test electrode spacing energizing voltage Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/a79843f8b8354f10be923977f20f2b0d
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spelling	oai:doaj.org-article:a79843f8b8354f10be923977f20f2b0d2021-11-11T18:12:39ZSnow Melting Performance of Graphene Composite Conductive Concrete in Severe Cold Environment10.3390/ma142167151996-1944https://doaj.org/article/a79843f8b8354f10be923977f20f2b0d2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6715https://doaj.org/toc/1996-1944The use of conductive concrete is an effective way to address snow and ice accretion on roads in cold regions because of its energy saving and high efficiency without interruption of traffic. Composite conductive concrete was prepared using graphene, carbon fiber, and steel fiber, and the optimum dosage of graphene was explored with resistivity as the criterion. Subsequently, under the conditions of an initial temperature of −15 °C and a wind speed of 20 km/h, the extremely severe snow event environment in cold regions was simulated. The effects of electrode spacing and electric voltage on snow melting performance of conductive concrete slab were explored. Results showed that graphene can significantly improve the conductivity of conductive concrete; the optimal content of graphene was 0.4% of cement mass in terms of resistivity. The snow-melting power of conductive concrete slab decreased with increase in electrode spacing and increased with increase in on-voltage. For an optimal input voltage of 156 V and an optimal electrode spacing of 10 cm, the time required to melt a 24 h snow thickness (21 cm), accumulated during a simulated severe snow event, was only 2 h, which provides an empirical basis for the application of graphene composite conductive concrete to pavement snow melting in cold regions.Xinjie WangYongkang WuPinghua ZhuTao NingMDPI AGarticlegraphene composite conductive concretegraphene contentsnowmelt testelectrode spacingenergizing voltageTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6715, p 6715 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	graphene composite conductive concrete graphene content snowmelt test electrode spacing energizing voltage Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	graphene composite conductive concrete graphene content snowmelt test electrode spacing energizing voltage Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Xinjie Wang Yongkang Wu Pinghua Zhu Tao Ning Snow Melting Performance of Graphene Composite Conductive Concrete in Severe Cold Environment
description	The use of conductive concrete is an effective way to address snow and ice accretion on roads in cold regions because of its energy saving and high efficiency without interruption of traffic. Composite conductive concrete was prepared using graphene, carbon fiber, and steel fiber, and the optimum dosage of graphene was explored with resistivity as the criterion. Subsequently, under the conditions of an initial temperature of −15 °C and a wind speed of 20 km/h, the extremely severe snow event environment in cold regions was simulated. The effects of electrode spacing and electric voltage on snow melting performance of conductive concrete slab were explored. Results showed that graphene can significantly improve the conductivity of conductive concrete; the optimal content of graphene was 0.4% of cement mass in terms of resistivity. The snow-melting power of conductive concrete slab decreased with increase in electrode spacing and increased with increase in on-voltage. For an optimal input voltage of 156 V and an optimal electrode spacing of 10 cm, the time required to melt a 24 h snow thickness (21 cm), accumulated during a simulated severe snow event, was only 2 h, which provides an empirical basis for the application of graphene composite conductive concrete to pavement snow melting in cold regions.
format	article
author	Xinjie Wang Yongkang Wu Pinghua Zhu Tao Ning
author_facet	Xinjie Wang Yongkang Wu Pinghua Zhu Tao Ning
author_sort	Xinjie Wang
title	Snow Melting Performance of Graphene Composite Conductive Concrete in Severe Cold Environment
title_short	Snow Melting Performance of Graphene Composite Conductive Concrete in Severe Cold Environment
title_full	Snow Melting Performance of Graphene Composite Conductive Concrete in Severe Cold Environment
title_fullStr	Snow Melting Performance of Graphene Composite Conductive Concrete in Severe Cold Environment
title_full_unstemmed	Snow Melting Performance of Graphene Composite Conductive Concrete in Severe Cold Environment
title_sort	snow melting performance of graphene composite conductive concrete in severe cold environment
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a79843f8b8354f10be923977f20f2b0d
work_keys_str_mv	AT xinjiewang snowmeltingperformanceofgraphenecompositeconductiveconcreteinseverecoldenvironment AT yongkangwu snowmeltingperformanceofgraphenecompositeconductiveconcreteinseverecoldenvironment AT pinghuazhu snowmeltingperformanceofgraphenecompositeconductiveconcreteinseverecoldenvironment AT taoning snowmeltingperformanceofgraphenecompositeconductiveconcreteinseverecoldenvironment
_version_	1718431903080513536

Snow Melting Performance of Graphene Composite Conductive Concrete in Severe Cold Environment

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