EP0518854A1 - Bloc en béton pour surfaces de circulation - Google Patents

Bloc en béton pour surfaces de circulation Download PDF

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Publication number
EP0518854A1
EP0518854A1 EP92890142A EP92890142A EP0518854A1 EP 0518854 A1 EP0518854 A1 EP 0518854A1 EP 92890142 A EP92890142 A EP 92890142A EP 92890142 A EP92890142 A EP 92890142A EP 0518854 A1 EP0518854 A1 EP 0518854A1
Authority
EP
European Patent Office
Prior art keywords
concrete
facing
concrete block
concrete part
block according
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.)
Withdrawn
Application number
EP92890142A
Other languages
German (de)
English (en)
Inventor
Johann Ing. Witzersdorfer
Hans Dr. Fangl
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.)
Ebenseer Betonwerke GmbH
Magos GmbH
Original Assignee
Ebenseer Betonwerke GmbH
Magos 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 Ebenseer Betonwerke GmbH, Magos GmbH filed Critical Ebenseer Betonwerke GmbH
Publication of EP0518854A1 publication Critical patent/EP0518854A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
    • E01F9/512—Preformed road surface markings, e.g. of sheet material; Methods of applying preformed markings

Definitions

  • the invention relates to a concrete block for traffic areas.
  • Markings are often placed in such traffic areas. These are usually applied with a reflective paint, or are produced using plastic coverings glued to the surface of the traffic area. In the former case there is the disadvantage that the colors lose their reflection properties relatively quickly and have to be renewed frequently, which is associated with corresponding traffic problems.
  • plastic coverings that have a longer service life than the paint applications is that they form a very slippery surface when wet and therefore there is a corresponding risk of accidents, especially for pedestrians.
  • the aim of the invention is to avoid these disadvantages and to propose a concrete block of the type mentioned at the outset which is suitable for the application of markings on traffic areas and has a high resistance of the marking to coefficients of friction which largely correspond to the usual coverings for traffic areas.
  • the concrete block consists of a sub-concrete part and a light-reflecting facing concrete part, the sub-concrete part and the facing concrete part being integrally connected to one another.
  • the one-piece connection of the sub-concrete part with the facing concrete part also ensures a secure connection, thereby avoiding the problems that arise with the conventional markings with glued-on plastic coverings, which can lead to detachments.
  • the facing concrete part consists of a mixture comprising glass beads, cement, preferably white cement, sand and optionally a color additive.
  • the intimate mixing of the glass beads in the manner of a concrete aggregate or a concrete aggregate achieves a high degree of reflection even at a flat angle of incidence of the incident light beam. This is particularly important for markings for flowing traffic where it must be assumed that the light strikes these markings at a very shallow angle.
  • an adhesion promoter is added to the bond between glass beads and concrete.
  • glass beads with different diameters are held in the facing concrete part, in which the smaller ones have a diameter of 1 to 1.5 mm and the larger ones have a diameter of 1.5 to 2 mm, the ratio of the smaller to the larger preferably Is 2: 1.
  • the facing concrete part is made of a concrete, the sand portion of which has two different grain sizes, 0.3 to 1 mm and 1 to 3 mm, the ratio of the smaller grain size to the larger being 1: 6.
  • the total weight of glass beads and sand is composed in a ratio of 1: 3 in the facing concrete part.
  • a hardenable concrete mass is poured into a mold, if necessary compacted and then removed from the mold, that first the concrete mixture intended for the sub-concrete part is formed, preferably one with coarse aggregates and is compacted, after which the concrete mixture intended for the facing concrete part is applied, shaped and compacted to this still moist concrete mixture and, after having achieved sufficient strength, removed from the mold and the free surface of the concrete block is washed away with water while it is still moist.
  • a bottom concrete part 1 which is dimensioned according to the expected load, is integrally connected to a facing concrete part 2.
  • a concrete mixture which is composed essentially in accordance with the required strength and resilience of the concrete block, is first introduced into a mold and compacted therein. Thereafter, in the still moist state of the sub-concrete part 2, a concrete mixture provided for the facing concrete part 2 is applied and this is also compacted and after sufficient strength has been achieved.
  • the concrete block is demolded while still moist and the surface of the facing concrete part 2 is rinsed off with water in order to remove residues of cement milk and finer additives.
  • the concrete mixture for the facing concrete part 2 contains glass beads and preferably also color, which ensure good reflection behavior of the surface of the concrete block. Glass beads of different sizes, e.g. added with 1 to 1.5mm and with 1.5 to 2mm, the ratio of the smaller to the larger preferably being 2: 1.
  • the intended rinsing of the surface of the concrete block while the concrete block is still moist provides the advantage that the glass beads pressed into the surface of the facing concrete part 2 are exposed in a simple manner and the surface of the concrete block is characterized by a high reflectivity.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Road Signs Or Road Markings (AREA)
EP92890142A 1991-06-13 1992-06-12 Bloc en béton pour surfaces de circulation Withdrawn EP0518854A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1192/91 1991-06-13
AT119291 1991-06-13

Publications (1)

Publication Number Publication Date
EP0518854A1 true EP0518854A1 (fr) 1992-12-16

Family

ID=3508601

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92890142A Withdrawn EP0518854A1 (fr) 1991-06-13 1992-06-12 Bloc en béton pour surfaces de circulation

Country Status (1)

Country Link
EP (1) EP0518854A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995022662A1 (fr) 1994-02-16 1995-08-24 Luke Gregory Kelly Revetement de surface a base de ciment renfermant des billes de verre
EP0913522A1 (fr) 1997-10-28 1999-05-06 Agomer Gesellschaft mit beschränkter Haftung Pavés de pierres moulés, liés par de la résine synthétique, méthode de production et utilisation
US6514595B1 (en) 1998-05-01 2003-02-04 Mbt Holding Ag Integrated marking materials
DE10152302A1 (de) * 2001-10-26 2003-05-15 Siltrade Gmbh Bodenstein, vorzugsweise aus Beton
US6692566B2 (en) 1994-02-16 2004-02-17 Beadcrete Pty, Ltd. Surface finish of cementitious nature and containing glass beads
FR3050395A1 (fr) * 2016-04-20 2017-10-27 Bonna Sabla Procede de realisation d'un element en beton a surface reflechissante de billes de verre et element obtenu

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH377874A (fr) * 1962-01-19 1964-05-31 Duperrex Paul Procédé de fabrication d'une couche réfléchissante et couche réfléchissante obtenue par le procédé
DE2239755A1 (de) * 1972-08-12 1974-02-21 Quarzwerke Gmbh Nachstreumittel
DE2443835A1 (de) * 1974-09-13 1976-04-01 Eberhard Schuder Markierungskoerper fuer verkehrsflaechen und dergl.
GB2159556A (en) * 1984-05-29 1985-12-04 Langtry Langton John Anthony Retro-reflective concrete road kerbs
AT388003B (de) * 1985-09-06 1989-04-25 Katzenberger Helmut Verfahren zur herstellung eines betonrandsteines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH377874A (fr) * 1962-01-19 1964-05-31 Duperrex Paul Procédé de fabrication d'une couche réfléchissante et couche réfléchissante obtenue par le procédé
DE2239755A1 (de) * 1972-08-12 1974-02-21 Quarzwerke Gmbh Nachstreumittel
DE2443835A1 (de) * 1974-09-13 1976-04-01 Eberhard Schuder Markierungskoerper fuer verkehrsflaechen und dergl.
GB2159556A (en) * 1984-05-29 1985-12-04 Langtry Langton John Anthony Retro-reflective concrete road kerbs
AT388003B (de) * 1985-09-06 1989-04-25 Katzenberger Helmut Verfahren zur herstellung eines betonrandsteines

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995022662A1 (fr) 1994-02-16 1995-08-24 Luke Gregory Kelly Revetement de surface a base de ciment renfermant des billes de verre
US6692566B2 (en) 1994-02-16 2004-02-17 Beadcrete Pty, Ltd. Surface finish of cementitious nature and containing glass beads
EP0913522A1 (fr) 1997-10-28 1999-05-06 Agomer Gesellschaft mit beschränkter Haftung Pavés de pierres moulés, liés par de la résine synthétique, méthode de production et utilisation
US6514595B1 (en) 1998-05-01 2003-02-04 Mbt Holding Ag Integrated marking materials
DE10152302A1 (de) * 2001-10-26 2003-05-15 Siltrade Gmbh Bodenstein, vorzugsweise aus Beton
FR3050395A1 (fr) * 2016-04-20 2017-10-27 Bonna Sabla Procede de realisation d'un element en beton a surface reflechissante de billes de verre et element obtenu

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