deicing concrete pavements and roads with carbon
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deicing concrete pavements and roads with carbon.

Deicing Concrete Pavements and Roads with Carbon Nanotubes ...

Existing deicing technologies involving chloride and heating wires have limitations such as reduced durability of roads and surrounding structures, and high labor requirements and maintenance costs. Hence, in this study, we performed indoor experiments, numerical analyses, and field tests to

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Deicing Concrete Pavements and Roads with Carbon Nanotubes ...

Existing deicing technologies involving chloride and heating wires have limitations such as reduced durability of roads and surrounding structures, and high labor requirements and maintenance costs. Hence, in this study, we performed indoor experiments, numerical analyses, and field tests to examine the efficiency of deicing using carbon nanotubes (CNTs) to overcome these limitations.

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Deicing Concrete Pavements and Roads with Carbon Nanotubes ...

May 01, 2020  Deicing Concrete Pavements and Roads with Carbon Nanotubes (CNTs) as Heating Elements

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Concrete pavement deicing with carbon fiber heating wires ...

Mar 01, 2011  A method of deicing with carbon fiber heating wires (CFHWs) embedded inside concrete slabs is presented in this paper to avoid the adverse effects of traditional deicing salt on the structure, function, and environment. To meet the uniform temperature requirement on the road surface for deicing, the maximum allowed CFHW spacing is determined by ...

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Carbon fiber-based electrically conductive concrete for ...

Carbon fiber-based electrically conductive concrete for salt-free deicing of pavements Abstract Traditional methods of removing snow/ice from pavements involve application of deicing salts and mechanical removal that carry environmental concerns. In this study, the feasibility of applying carbon fiber-

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Investigation of de-icing of roads with conductive ...

Investigation of de-icing of roads with conductive concrete pavement containing carbon fibre-reinforced polymer (CFRP), International Journal of Pavement Engineering, DOI: 10.1080/10298436.2017 ...

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Three-phase composite conductive concrete for pavement deicing

Jan 30, 2015  A three-phase composite conductive concrete is proposed. • The conductive phase materials contains steel fiber, carbon fiber, and graphite. • Electrical resistivity of 322 Ω cm is proven to meet the requirements of deicing.. This pavement presents satisfactory potential for snow-melting or deicing.

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Conductive, De-icing Concrete ... - Concrete Pavements

Apr 18, 2016  Conductive, De-icing Concrete Improves Safety Efficiency for Roadways, Airports Homes. On a frigid afternoon in late December, 2015, a 200-square-foot slab of seemingly ordinary concrete sits just outside the Peter Kiewit Institute as snowflakes begin parachuting toward Omaha, Nebraska, USA. The snow accumulated on the grass surrounding the ...

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Investigation of de-icing of roads with conductive ...

May 15, 2017  The properties of electric conductive concrete for de-icing road pavement can be studied using carbon fibre and steel fibre in concrete. By passing an electric current through conductive fibres in concrete, the electrical resistance of the material against the flow of electric current heat generated can be investigated (Banthia et al. 1992 ...

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EVALUATION OF ELECTRICALLY CONDUCTIVE CONCRETE CONTAINING ...

evaluation of electrically conductive concrete containing carbon products for deicing Using electrically conductive concrete for deicing is an emerging material technology. Due to its electrical resistance, a thin layer of conductive concrete can generate enough heat to prevent ice formation on concrete pavement when energized by a power source.

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Structural Safety Reliability Of Carbon Fibre Reinforced ...

Investigation of de-icing of roads with conductive concrete pavement containing carbon fibre-reinfor... May 2017 International Journal of Pavement ... concrete slab was made using carbon fibre ...

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CONDUCTIVE CONCRETE FOR BRIDGE DECK DEICING AND

The use of road salts and chemicals for deicing is an effective method for ice removal but causes damage to concrete and corrosion of reinforcing steel in concrete bridge decks. This problem is a major concern to transportation and public works officials due to rapid degradation of existing concrete pavements and

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Airfield Pavement Deicing with Conductive Concrete Overlay

Department of Roads, Yehia and Tuan developed a mix specifically for concrete bridge deck deicing while meeting the ASTM and AASHTO strength specifications for overlay construction. An average thermal power of 591 W/m 2 (55 W/ft 2 ) with a heating rate of 0.56 o C/min (1 o F/min)

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Conductive, De-icing Concrete ... - Concrete Pavements

Apr 18, 2016  Conductive, De-icing Concrete Improves Safety Efficiency for Roadways, Airports Homes. On a frigid afternoon in late December, 2015, a 200-square-foot slab of seemingly ordinary concrete sits just outside the Peter Kiewit Institute as snowflakes begin parachuting toward Omaha, Nebraska, USA. The snow accumulated on the grass surrounding the ...

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BRIDGE DEICING - Roads Bridges

the power requirements for the de-icing operation; and utilize the con-ductive concrete mixture in new ap-Neb., was constructed in 2002. The conductive concrete mix with carbon powder and steel fi bers was used to cast a 4-in. inlay for the deicing ap-plication. Roca Spur Bridge is a 150-ft-long and 36-ft-wide, three-span slab-

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Research of Deicing and Melting Snow on Airport Asphalt ...

Jul 27, 2020  In the paper, the method of deicing and melting snow by the carbon fiber heating wire (CFHW) embedded in the airport asphalt pavement is proposed to improve the security of airport operation. The field experiment of deicing and melting snow on the airport asphalt pavement is conducted. Deicing and melting snow, asphalt pavement temperature, ice-free area ratio, and snow-free area ratio are ...

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Conductive concrete – an electrifying idea

concrete.uk J ì ã ð û ù ú ÿ concrete 47 RESEARCH AND DEVELOPMENT The de-icing performance of the heated deck was monitored during 2003–2008 by the Nebraska Department of Roads. Powered by a 3-phase, 208V AC source, the de-icing system performed exceedingly well, as

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"Airfield Pavement Deicing with Conductive Concrete ...

The Phase I findings of this research have shown that conductive concrete overlay has the potential to become the most cost-effective concrete pavement deicing method. A Phase II project is underway, in which a 45.7 m (150 ft) long and 11 m (36 ft) wide bridge deck at Roca, Nebraska,

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Novel conductive wearing course using a graphite, carbon ...

Feb 15, 2021  Ice and snow on road surfaces can affect driving safety severely and cause accidents. Numerous active snow and ice removal technologies, such as conductive asphalt concrete, heating cables and pipes, have been developed in recent years. However, they reduce the lifetime of the pavement and cannot be applied on the existing roads. In this study, a novel conductive ultra-thin anti-skidding ...

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Parameter study and experimental analysis of a scraping de ...

Jul 22, 2021  Active deicing technologies, such as conductive asphalt concrete and heating cable, are not applicable to the existing roads, and passive deicing based on mechanical methods damage the roads. A novel scraping deicing system for thin ice using end-of-life wire ropes was proposed, and the scraping deicing mechanism was given to optimizing the inclination angle for minimal external deicing force ...

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CONDUCTIVE CONCRETE FOR BRIDGE DECK DEICING AND ANTI

Carbon and graphite products were subsequently used to replace steel shavings in the conductive concrete design. A conductive concrete deck has been implemented for deicing on a highway bridge at Roca, Nebraska. The Roca Spur Bridge has a 46 m long and 11 m wide conductive concrete deck overlay.

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Electrically Conductive Cement with Nanocarbon Black ...

Apr 26, 2021  “In North America, we see lots of snow. To remove this snow from our roads requires the use of de-icing salts, which can damage the concrete, and contaminate groundwater,” noted Soliman. The heavy-duty trucks used to salt roads are also both heavy emitters and expensive to

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EVALUATION OF ELECTRICALLY CONDUCTIVE CONCRETE CONTAINING ...

evaluation of electrically conductive concrete containing carbon products for deicing Using electrically conductive concrete for deicing is an emerging material technology. Due to its electrical resistance, a thin layer of conductive concrete can generate enough heat to prevent ice formation on concrete pavement when energized by a power source.

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Evaluation of Electrically Conductive Concrete Containing ...

Jul 01, 2004  The electrical conductivity and the associated heating rate were improved with the carbon products. A conductive concrete deck has been implemented for deicing on a highway bridge at Roca, located approximately 24 km (15 mi) south of Lincoln, Nebr. The Roca Spur Bridge has a 36 m (117 ft) long and 8.5 m (28 ft) wide conductive concrete inlay ...

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Structural Safety Reliability Of Carbon Fibre Reinforced ...

Investigation of de-icing of roads with conductive concrete pavement containing carbon fibre-reinfor... May 2017 International Journal of Pavement ... concrete slab was made using carbon fibre ...

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CONDUCTIVE CONCRETE FOR BRIDGE DECK DEICING AND ANTI

Carbon and graphite products were subsequently used to replace steel shavings in the conductive concrete design. A conductive concrete deck has been implemented for deicing on a highway bridge at Roca, Nebraska. The Roca Spur Bridge has a 46 m long and 11 m wide conductive concrete deck overlay.

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Reducing carbon with YYC’s East Deicing Apron - Canadian ...

May 03, 2020  CarbonCure reports its partners’ total concrete production volume in 2019 surpassed 3.3 million m 3, reducing CO2 emissions by more than 55,000 tonnes, equivalent to that absorbed by more than 70,000 acres of forest or, to think of it another way, taking 12,000 cars off the road for the year. “2019 was a record year, as our partners’ total production volume and the associated carbon ...

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DETERIORATION OF JOINTS IN CONCRETE PAVEMENTS ...

Also, changes in de-icing practices such as implementation of anti-icing (to prevent the bonding of ice to the roadway before a storm) and de-icing strategies (to melt and break down the bond between the ice layer and the road surface) may impart deleterious effects on concrete pavements and reduce its integrity and durability.

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Electrifying cement with nanocarbon black

believe that if implemented in concrete pavements, ... this snow from our roads requires the use of de-icing salts, which can damage the concrete, and ... without enough carbon in the sample, the ...

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This Electrically Conductive Concrete Melts Snow Without ...

Jan 25, 2016  This Electrically Conductive Concrete Melts Snow Without Chemicals. PETER DOCKRILL. 25 JANUARY 2016. A special blend of concrete that can de-ice roads and pavements without the need for chemicals uses electricity to melt away snow and sleet – and it could be coming to an airport near you soon. The conductive concrete, developed by researchers ...

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[PDF] Deicer Impacts on Pavement Materials: Introduction ...

Deicer Impacts on Pavement Materials: Introduction and Recent Developments. A review of the impacts of deicers used in winter maintenance practices of Portland cement concrete and as- phalt concrete roadways and airport pavements is presented. Traditional and relatively new deicers are incorporated in this review, including sodium chloride ...

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Electrifying Cement With Nanocarbon Black: Cement That ...

Apr 26, 2021  Much of those concerns stem from the use of salt for de-icing. “In North America, we see lots of snow. To remove this snow from our roads requires the use of de-icing salts, which can damage the concrete, and contaminate groundwater,” notes Soliman. The heavy-duty trucks used to salt roads are also both heavy emitters and expensive to run.

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High-tech, low-carbon concrete project a Canadian first at ...

Jan 24, 2020  The amount of concrete poured to build the East Deicing Apron was the second largest pour of CarbonCure concrete in a single project, and the largest quantity to be used at an airport in Canada. "2019 was a record year for CarbonCure, as our producer partners' total production volume and the associated carbon savings nearly doubled from that of ...

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Model Experimental Study of Carbon Fiber Heating Wire for ...

carbon fiber electric heating can provide a feasible solution for ice formation. Zhao et al. [26] proposed a method of deicing with carbon fiber electric heating wires (CFHWs) embedded inside concrete slabs. In order to meet the uni-form temperature requirements on the road surface for deicing, the maximum allowable CFHW interval is deter-

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Influential factors on deicing performance of electrically ...

The deicing experiment of carbon fiber reinforced electrically conductive concrete (CFRC) slab was conducted in laboratory at first, then the deicing process of CFRC pavement was analyzed by means of finite element method (FEM). At last, based on the energy conservation law and the computing results of finite element method, the influential factors including the setting of electric heating ...

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Concrete pavement deicing with carbon fiber heating wires

A method of deicing with carbon fiber heating wires (CFHWs) embedded inside concrete slabs is presented in this paper to avoid the adverse effects of traditional deicing salt on the structure, function, and environment. To meet the uniform temperature requirement on the road surface for deicing, the maximum allowed CFHW spacing is determined by the finite element method and laboratory experiment.

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