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WO2008106953A1 - Matériau de revêtement de chaussée, revêtement de route constitué de ce matériau, véhicule à pneumatiques, procédé pour éviter le givrage d'un revêtement de route ou pour le dégivrer, et système pour la mise en œuvre du procédé - Google Patents

Matériau de revêtement de chaussée, revêtement de route constitué de ce matériau, véhicule à pneumatiques, procédé pour éviter le givrage d'un revêtement de route ou pour le dégivrer, et système pour la mise en œuvre du procédé Download PDF

Info

Publication number
WO2008106953A1
WO2008106953A1 PCT/DE2008/000390 DE2008000390W WO2008106953A1 WO 2008106953 A1 WO2008106953 A1 WO 2008106953A1 DE 2008000390 W DE2008000390 W DE 2008000390W WO 2008106953 A1 WO2008106953 A1 WO 2008106953A1
Authority
WO
WIPO (PCT)
Prior art keywords
road surface
vehicle
eddy
tire vehicle
icing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE2008/000390
Other languages
German (de)
English (en)
Inventor
Jürgen Fischer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Matthai Bauunternehmen & Co KG GmbH
Original Assignee
Matthai Bauunternehmen & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matthai Bauunternehmen & Co KG GmbH filed Critical Matthai Bauunternehmen & Co KG GmbH
Priority to PL08715539T priority Critical patent/PL2118372T3/pl
Priority to EP08715539A priority patent/EP2118372B1/fr
Publication of WO2008106953A1 publication Critical patent/WO2008106953A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
    • E01C11/245—Methods or arrangements for preventing slipperiness or protecting against influences of the weather for preventing ice formation or for loosening ice, e.g. special additives to the paving material, resilient coatings

Definitions

  • the present invention relates to a pavement covering material.
  • pavement material is meant a road construction material such as a bituminous road construction material such as asphalt, asphalt concrete, rolled asphalt, asphalt mastic, stone mastic asphalt, drainage asphalt and mastic asphalt, concrete and paving stones.
  • the road surface covering material is used for the production or processing of a road surface, for example asphalt surface, concrete pavement, plaster ceiling.
  • the road surface can be either the ceiling of a road for a motor vehicle or a runway for an aircraft.
  • Road surface can mean all layers, such as base courses, binder courses and cover or wearing courses.
  • snow and winter smoothness such as snow, frost, ice and black ice
  • many accidents with dead and injured occur every winter and the road performance is reduced.
  • a snow removal is made.
  • the mechanical elimination of snow in towns and communities is made more difficult compared to the free routes by the lack of required areas for snow deposition at the roadside.
  • the use of the various snow removal equipment such as snowploughs, snow removing machines, sweepers or combinations thereof, is aimed at.
  • thawing scattering substances can be used. These are de-icing salt and blunting substances. Dulling litter materials increase the grip of winter-slippery lanes by mechanical means, thawing litter substances in a physico-chemical way. However, this has a negative impact on the environment and the road surface.
  • roadway heating systems As additional measures roadway heating systems, ice-inhibiting coverings and Tauffensprühanlagen can be used. However, their use is limited to individual, spatially limited measures, for example, to increase the safety on problem lines.
  • Previously developed road heating systems use fossil or electric energy sources, district heating or geothermal energy with the help of heat exchange systems. The use of these systems is limited to special cases, such as bridges, tunnels or steep ramps to parking garages. Road heating systems cause high construction costs and very high operating costs.
  • An ice-inhibiting type of coating is obtained by the addition of a special additive, such as Ca, NaCl, in the asphalt mixture or in the concrete during the construction of the road wear layer. They release only very small quantities of scrap compared to a litter application. So ice-inhibiting deposits can delay the formation of ice, but eliminate any smoothness.
  • a special additive such as Ca, NaCl
  • de-icing spray systems automatically spray Taustoff into the lane through an installed system of spray cans in a very low dose. If required, a de-icing spray system can also be triggered by hand.
  • a de-icing agent is dissolved in liquid de-icing salt, brine used.
  • Taustoffsprühanlagen can react immediately and faster than a scattering service on forming smoothness and are therefore also suitable at points with particular smoothness. Because of the high investment costs, they are mainly used on high-traffic and important roads, where the traffic is disturbed sensitive in smoothness or comes to a complete halt.
  • the invention is therefore an object of the invention to provide a road surface covering material, by means of which a timely de-icing or even icing of a road surface, for example by stoppage of snow cover, can be prevented.
  • this object is achieved with respect to the road surface covering material in that it contains magnetizable material.
  • the magnetizable material is ferromagnetic.
  • the magnetizable material is finely divided material.
  • the magnetizable material is in powder or granular form.
  • the magnetizable material is steel powder or steel chips.
  • the road surface covering material is based on asphalt or concrete.
  • it is also conceivable that it is a paving stone in which the magnetizable material is contained.
  • this object is achieved by a tire vehicle, in particular motor vehicle or aircraft, wherein at least one eddy-current generating device for generating electrical eddy currents in a magnetizable material in a road surface according to claim 8 is provided.
  • the at least one eddy-current generating device is arranged on the underside of the vehicle.
  • the eddy-current generating device or devices is arranged in the direction of travel of the motor vehicle in front of and / or behind the tire or in the direction of travel between successively spaced tires.
  • the road surface is heated primarily in the area of the lanes, that is to say the tracks on which the tires of the motor vehicles predominantly roll.
  • the at least one eddy-current generating device is provided on the rim of a tire of the tire vehicle.
  • the at least one eddy-current generating device comprises an electrically conductive coil, which can also be referred to as an induction coil.
  • the at least one eddy-current generating device comprises a DC power supply for supplying the electrically conductive coil with direct current.
  • the electrically conductive coil itself then generates a constant magnetic field, but the road surface perceives a variable magnetic field by the movement of the electrically conductive coil. This leads to the generation of electrical eddy currents by induction.
  • the amount of direct current depends on the particular application.
  • the at least one eddy-current generating device has an AC power supply for supplying the electrically-conductive coil with alternating current.
  • the electrically conductive coil thus generates a variable magnetic field, which is also changed or modulated by the movement of the coil over the road surface.
  • the frequency and amplitude of the alternating current depends on the particular application.
  • the at least one eddy-current generating device can be switched off. This can prevent unnecessary heating of the road surface and unnecessary consumption of electrical energy.
  • the eddy-current generating device is switched on or off automatically depending on the outside and / or bottom temperatures. Then still appropriate sensors, such as temperature sensors, must be provided.
  • this object is achieved by a method for avoiding icing or for deicing a road surface, comprising the steps of: providing a road surface according to claim 8, providing a tire vehicle according to any one of claims 9 to 14, and moving the tire vehicle on the road surface with the eddy current generating device turned on To avoid icing or deicing of the road surface.
  • a system comprising a road surface according to claim 8 and at least one tire vehicle according to one of claims 9 to 14 for avoiding icing or for deicing a road surface.
  • the invention is based on the surprising finding that by utilizing induction a road surface by eddy currents through the road or by the use of a road itself continuously heated and prevented icing or at least partial deicing can be performed, so that of the conventional measures can be apart or these are necessary only to a small extent.
  • the prevention of icing or de-icing is environmentally friendly and not limited to particularly problematic or busy roads. Furthermore, this can be done with a low staff and cost.
  • the road surface is heated and prevents icing or enteist an already icy road surface.
  • the method can also be used to heat non-ferromagnetic, conductive road surface covering materials.
  • Figure 1 is a front view of a tire vehicle according to a particular
  • FIG. 1 is a side view of the tire vehicle of Figure 1 on the im
  • Figure 3 is a vertical sectional view through a tire of the tire vehicle of
  • Figure 4 is a front view of a tire vehicle according to another particular embodiment of the invention on the pavement shown in Figure 1;
  • Figure 5 is a side view of the tire vehicle of Figure 4 on the im
  • FIG. 1 shows an induction coil 16 on a wheel rim 18.
  • the induction coil is formed by a substantially U-shaped iron core 20 and a wound around the iron core 20, not shown wire.
  • the resulting magnetic poles 22 and 24 are preferably facing the road surface 12.
  • the centrally arranged web 26 of the iron core 20 extends circumferentially around the wheel rim 18.
  • the two legs 28 and 30 of the iron core 20 are present or folded only where there are further induction coils (not shown) circumferentially around the wheel rim ,
  • the induction coil 16 is preferably supplied with alternating current via the on-board electronics (not shown), for example the generator, of the tire vehicle 10. If necessary, a shielding of the electromagnetic fields to the vehicle side can be provided.
  • Figures 4 and 5 show an alternative embodiment of a tire vehicle 10 according to the present invention.
  • no induction coils are provided on the wheel rims, but between the front and rear wheels 32 and 36 and 34 and 38 on both sides.
  • the induction coils (not shown) are disposed on the underside 40 of the tire vehicle 10. It is an elongated area between the respective front wheel 32 and 34 and the respective rear wheel, of which only that indicated by the reference numeral 36 can be seen.
  • induction coils may be provided in other areas on the underside of the tire vehicle 10. However, it is the cost and weight factor to consider.
  • the areas in which alternating electromagnetic fields are generated are again indicated schematically by boxes in FIGS. 4 and 5.
  • the induction coils are preferably arranged with alternating orientation of north and south pole in the direction of travel or direction of rotation of the wheels of the tire vehicle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

Matériau de revêtement de chaussée, caractérisé en ce qu'il contient un matériau magnétisable. Revêtement de route constitué d'un tel matériau de revêtement de chaussée. Véhicule à pneumatiques, notamment véhicule automobile ou avion, sur lequel il est prévu au moins un dispositif de production de courants de Foucault pour produire des courants de Foucault électriques dans un tel revêtement de route. Procédé pour éviter le givrage d'un revêtement de route ou pour le dégivrer, et système pour la mise en oevre du procédé.
PCT/DE2008/000390 2007-03-06 2008-03-04 Matériau de revêtement de chaussée, revêtement de route constitué de ce matériau, véhicule à pneumatiques, procédé pour éviter le givrage d'un revêtement de route ou pour le dégivrer, et système pour la mise en œuvre du procédé Ceased WO2008106953A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL08715539T PL2118372T3 (pl) 2007-03-06 2008-03-04 Materiał nawierzchni drogowej, zbudowana z niego nawierzchnia drogowa, pojazd oponowy, sposób unikania oblodzenia albo odladzanie nawierzchni drogowej i system do jego przeprowadzania
EP08715539A EP2118372B1 (fr) 2007-03-06 2008-03-04 Matériau de revêtement de chaussée, revêtement de route constitué de ce matériau, véhicule à pneumatiques, procédé pour éviter le givrage d'un revêtement de route ou pour le dégivrer, et système pour la mise en uvre du procédé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007011229.9 2007-03-06
DE102007011229 2007-03-06

Publications (1)

Publication Number Publication Date
WO2008106953A1 true WO2008106953A1 (fr) 2008-09-12

Family

ID=39564775

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2008/000390 Ceased WO2008106953A1 (fr) 2007-03-06 2008-03-04 Matériau de revêtement de chaussée, revêtement de route constitué de ce matériau, véhicule à pneumatiques, procédé pour éviter le givrage d'un revêtement de route ou pour le dégivrer, et système pour la mise en œuvre du procédé

Country Status (3)

Country Link
EP (1) EP2118372B1 (fr)
PL (1) PL2118372T3 (fr)
WO (1) WO2008106953A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2017364476B2 (en) * 2016-11-23 2024-01-04 Jason Ayoub Pty Limited Transportation pathway and method of forming same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849020A (en) * 1987-04-20 1989-07-18 The Titan Corporation Asphalt compounds and method for asphalt reconditioning using microwave radiation
DE3902995C1 (en) * 1989-02-02 1990-08-09 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen, De Apparatus and process for drying the surface layer of a concrete structure
US5441360A (en) * 1988-01-28 1995-08-15 Long, Deceased; Howard W. Asphaltic compositions and uses therefor
BE1008291A3 (fr) * 1990-06-14 1996-04-02 J Legros Societe Anonyme Entre Revetement de route en beton bitumineux.
WO2002050375A1 (fr) 2000-12-18 2002-06-27 Vermeer Infrastructuur B.V. Construction routiere, dispositif et procede permettant de la realiser

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849020A (en) * 1987-04-20 1989-07-18 The Titan Corporation Asphalt compounds and method for asphalt reconditioning using microwave radiation
US5441360A (en) * 1988-01-28 1995-08-15 Long, Deceased; Howard W. Asphaltic compositions and uses therefor
DE3902995C1 (en) * 1989-02-02 1990-08-09 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen, De Apparatus and process for drying the surface layer of a concrete structure
BE1008291A3 (fr) * 1990-06-14 1996-04-02 J Legros Societe Anonyme Entre Revetement de route en beton bitumineux.
WO2002050375A1 (fr) 2000-12-18 2002-06-27 Vermeer Infrastructuur B.V. Construction routiere, dispositif et procede permettant de la realiser

Also Published As

Publication number Publication date
EP2118372A1 (fr) 2009-11-18
PL2118372T3 (pl) 2013-03-29
EP2118372B1 (fr) 2012-10-10

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