To make asphalt mastic and porous asphalt concrete electrically conductive and suitable for induction heating, steel (wool) fibers were incorporated into them. The electrical conductivity and induction heating speed of asphalt mastic and porous asphalt concrete …

Liu Q, Schlangen E, van de Ven M, García A (2010) Induction heating of electrically conductive porous asphalt concrete. Constr Build Mater 24(7):1207–1213. Article Google Scholar 14. Liu Q, Schlangen E, van de Ven M, García A (2011) Induction healing of asphalt mastic and porous asphalt concrete.

In this research, an electrically conductive porous asphalt concrete, used for induction heating, was prepared by adding electrically conductive filler (steel fibers and steel wool) to the mixture. The main purpose of this paper is to examine the

Steel fibers are added to a porous asphalt mixture to make it electrically conductive and suitable for induction heating. When micro cracks are expected to occur in the asphalt mastic of the pavement, the temperature of the mastic can be increased locally by induction heating of the steel fibers so that porous asphalt concrete can repair itself ...

Induction heating of electrically conductive porous asphalt concrete; Induction Hardening of Carbon Steel Material: The Effect of Specimen Diameter; Induction Generators for Small Wind Energy Systems; Induction heating studies of Fe3O4magnetic nanoparticles capped with …

In this research, an electrically conductive porous asphalt concrete, used for induction heating, was prepared by adding electrically conductive filler (steel fibers and steel wool) to the mixture.

The average lifetime of porous asphalt is of approximately 11 years [1], much shorter than the lifetime of a dense asphalt mixture. The main durability problem of porous asphalt concrete is called raveling [2], which is the loss of aggregates from the surface layer of the pavement and has a negative effect on the general performance of the ...

The results showed that tail water temperature of around 40°C was enough for melting snow on the pavements. Liu et al. performed a research on electrically conductive porous asphalt concrete by adding conductive filler such as steel fibers and steel wool. The electrical conductivity of porous asphalt concrete was investigated.

Liu Q, Schlangen E, García A, van de Ven M (2009) Induction heating of electrically conductive porous asphalt concrete. Constr Build Mater 24(7):1207–1213. Article Google Scholar 20. García A, Schlangen E, van de Ven M (2010) Induction heating of mastic containing conductive fibers and fillers. Mater Struct 44(2):499–508

Previous investigators have tried to make asphalt concrete electrical conductive by adding different conductive fillers and fibers such as micro-steel fibers (Huang et al. 2006 and Serin et al. 2012), carbon fibers (Wu et al. 2005), steel wool (Garcia et al.

In this research, an electrically conductive porous asphalt concrete, used for induction heating, was prepared by adding electrically conductive filler (steel fibers and steel wool) to the mixture. The main purpose of this paper is to examine the electrical conductivity and the indirect tensile strength of this conductive porous asphalt ...

To make asphalt mastic and porous asphalt concrete electrically conductive and suitable for induction heating, steel (wool) fibers were incorporated into them. ... The volume resistivity of such ...

The results showed that long steel wool is better than short steel fibre for making porous asphalt concrete electrically conductive. Liu et al. [48] demonstrated that the addition of steel fibres reinforces the mastic (bitumen, filler and sand) of porous asphalt concrete, which can delay the ravelling effect in asphalt pavement.

The addition of the steel (wool) fiber in the mastic asphalt and porous concrete is to make it electrically conductive and suitable for induction heating. When the steel fibers are heated by induction heating, heat gets transferred from the steel fiber with high temperature to the asphalt concrete with low temperature.

The conductive fibers not only improve the electrical conductivity and sensitivity of asphalt concrete to the electromagnetic field, but they can also increase the thermal conductivity and heat transfer characteristics more than other components of the asphalt concrete (i.e., aggregates and asphalt binder) (Liu et al., 2010).

Electrically conductive asphalt concrete has a huge potential for various multifunctional applications such as self-healing, self-sensing, and deicing. In order to utilize the full spectrum of applications of electrically conductive asphalt composites, precise control of the asphalt mixture resistivity is needed. Most of the previous research using

A similar insulator-to-conductor behavior was observed, by Liu et al., in a study performed on electrically-conductive porous asphalt concrete for self-healing applications. Based on their findings, adding conductive materials to porous asphalt concrete can continue until an optimum value at which the conductive materials are in extensive ...

Conductive fillers (steel fibers and steel wool) are added to porous asphalt concrete to enhance its electrical conductivity and induction heating is used to increase the temperature locally, just enough to increase the healing rate of asphalt concrete to heal the micro-cracks and to repair the bond between aggregates and binder.

Optimization of Steel Fiber Used for Induction Heating in Porous Asphalt Concrete. An electrically conductive porous asphalt concrete used for induction heating and subsequently healing of cracks is prepared by adding conductive materials (steel fibers and steel wool) in this research.

compacting, pervious, decorative concrete and so on. So, what is conductive concrete (CC)? Conductive concrete may be defined as a mixture containing a certain amount of electrically conductive components in a regular concrete, designed to enable conduction of electricity. Regular concrete is not electrically conductive. Carbon and

The mechanisms of electrical conductivity and induction heating are explained in this paper. 10% (by volume of bitumen) of steel wool type 000 is proposed as an ideal content to make porous asphalt concrete conductive and for a fast induction heating. Besides, this value gives an acceptable indirect tensile strength to porous asphalt concrete.

When the temperature of asphalt concrete is above a certain threshold, bitumen may start flowing through any possible crack and healing it. Induction heating is a technique for increasing the temperature of asphalt mixture. It consists of adding electrically conductive and magnetically susceptible particles to the mixture. These particles can be heated thanks to the action of an induction ...

Electrically conductive asphalt concrete: Towards a theory of practice Mohammad Ali Notani Iowa State University Follow this and additional works at: https://lib.dr.iastate.edu/etd Part of the Civil Engineering Commons Recommended Citation Notani, Mohammad Ali, "Electrically conductive asphalt concrete: Towards a theory of practice" (2019).

Induction heating consists in adding electrically conductive fibers to the asphalt mixture and heating them with an induction heating device. But still, the factors that affect the increase of temperature are not well-known. With this purpose, 25 different mixtures, with the same aggregates distribution and amount of bitumen, but with 2 different lengths, 4 different quantities, and 4 ...

do not increase the electrical conductivity of concrete significantly. Electrical conductivity measurement Concrete is a heterogeneous mixture with an interconnected pore network. Depending on the degree of the saturation of the pores (that is, the moisture content), concrete will exhibit conductive characteristics. A concrete sample might ...

Porous asphalt concrete containing steel wool is found to be electrically conductive and can be heated with induction energy. The mechanical properties of this porous asphalt are also studied.

Liu et al. wrote in the following year's report, "Induction heating of electrically conductive porous asphalt concrete," that steel wool type 000 is a better conductor than steel fiber. A.

Induction heating of electrically conductive porous asphalt concrete Q Liu, E Schlangen, Á García, M van de Ven Construction and Building Materials 24 (7), 1207-1213, 2010

The dense graded asphalt concrete containing 4% steel wool type 2 # with length of 6.5 mm shows a maximum crack healing rate of 96.7% when the top surface of the specimen is heated to 90℃, while it also has a high crack healing rate of 95.4% when the top surface of the specimen is heated to 75℃. In this case, a great amount of energy is ...

An electrically conductive paving system that has enhanced conductivity of the conductive graphite/asphalt layer. This is achieved by incorporating into the paving mixture a blend of two naturally occurring crystalline flake graphites, one being coarse (generally larger than 40 mesh/425 microns) and the other being fine (generally smaller than 100-200 mesh/150-75 microns).

In this research, an electrically conductive porous asphalt concrete, used for induction heating, was prepared by adding electrically conductive filler (steel fibers and steel wool) to the mixture.

Induction heating of electrically conductive porous asphalt concrete. Construction and building materials, 2010, 1-7. Liu, Q, Schlangen, HEJG, Ven, MFC van de & Garcia Hernandez, A (2010).

An electrically conductive porous asphalt concrete used for induction heating and subsequently healing of cracks is prepared by adding conductive materials (steel fibers and steel wool) in this research. In this paper, the optimization of steel fiber used for induction heating is reported based on the electrical resistivity, induction heating ...

Porous asphalt concrete containing steel wool is found to be electrically conductive and can be heated with induction energy. The mechanical properties of this porous asphalt are also studied. Steel wool can reinforce porous asphalt concrete by increasing its strength, particle loss (raveling) resistance, and fatigue resistance.

To make asphalt mastic and porous asphalt concrete electrically conductive and suitable for induction heating, steel (wool) fibers were incorporated into them. The electrical conductivity and induction heating speed of asphalt mastic and porous asphalt concrete were …