DE4423715A1 - Method of forming artificially aged, weather eroded concrete surfaces - Google Patents

Method of forming artificially aged, weather eroded concrete surfaces

Info

Publication number
DE4423715A1
DE4423715A1 DE19944423715 DE4423715A DE4423715A1 DE 4423715 A1 DE4423715 A1 DE 4423715A1 DE 19944423715 DE19944423715 DE 19944423715 DE 4423715 A DE4423715 A DE 4423715A DE 4423715 A1 DE4423715 A1 DE 4423715A1
Authority
DE
Germany
Prior art keywords
different
concrete
weather
artificially aged
eroded
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Withdrawn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
DE19944423715
Other languages
German (de)
Inventor
Klaus Doerle
Konrad Hauns
Guido Dipl Ing Maier
Reiner Unger
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.)
Kronimus AG
Original Assignee
Kronimus AG
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 Kronimus AG filed Critical Kronimus AG
Priority to DE19944423715 priority Critical patent/DE4423715A1/en
Publication of DE4423715A1 publication Critical patent/DE4423715A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
    • B28B7/007—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces with moulding surfaces simulating natural effets, e.g. wood or stone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/008—Producing shaped prefabricated articles from the material made from two or more materials having different characteristics or properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
    • B28B7/362—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article specially for making moulded articles from concrete with exposed aggregate

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

The method involves different surface finish retarders being overlapped or compressed into the mould prior to concrete casting. Immediately after mould removal, the surface is blasted with a controllable high pressure jet of water, and/or sand and/or air. In this way very different, sharply defined erosion depths are formed in the surface. Pref. different concrete mixtures are cast into the mould with different depths, time offsets, colour conditions.

Description

Die Erfindung betrifft ein Verfahren zum Erzeugen künstlich gealterter, erodierter, wie z. B. von Wind und Wetter ausgelaugter Oberflächen an Betonsteinen.The invention relates to a method for producing artificially aged, eroded, such as B. from wind and weather leached surfaces Concrete blocks.

Die Oberflächen normaler Betonsteine wirken, insbesondere wenn sie als Mauerscheiben zum Aufbau von Stützwänden verwendet werden, eintönig und grau, so daß der Wunsch besteht, diese Oberflächen so zu bearbeiten, daß ihr Aussehen gefälliger wird. Man hat daher schon vorge­ schlagen, die Oberfläche derartiger Steine in Form von Waschbeton auszubilden. Dabei werden Kieselsteine vor dem Einfüllen des Betons in die Form eingebracht, wobei der Formling nach dem Ausschalen mittels Wasserstrahl bearbeitet wird, so daß an der Oberfläche des Steins die Kieselsteine sichtbar werden. Auch derart hergestellte Waschbetonoberflächen wirken in ihrem Aussehen eintönig.The surfaces of normal concrete blocks work, especially if they are as Masonry washers used to build retaining walls, monotonous and gray, so there is a desire to add these surfaces edit to make her look more pleasing. One has therefore already featured hit the surface of such stones in the form of washed concrete to train. Here, pebbles are poured in before the concrete is poured in introduced the form, the molding after stripping by means of Water jet is processed so that the surface of the stone Pebbles become visible. Also manufactured in this way Washed concrete surfaces appear monotonous in their appearance.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren zu schaffen, mit dem künstlich gealterte, erodierte, wie z. B. von Wind und Wetter ausgelaugte Oberflächen von Betonsteinen willkürlich erzeugt werden können. The present invention has for its object to provide a method create with the artificially aged, eroded, such. B. from wind and Weather-worn surfaces of concrete blocks are generated arbitrarily can.  

Zur Lösung der gestellten Aufgabe wird ein Verfahren der eingangs genannten Art angegeben, das dadurch gekennzeichnet ist, daß vor dem Einbringen des Betons in die Form unterschiedliche Oberflächenverzögerer überlagert bzw. wirkungsverdichtet eingebracht werden, worauf die Fläche sofort nach dem Ausschalen mit einem steuerbaren Hochdruckstrahl aus Wasser und/oder Sand und/oder Luft bearbeitet wird, um sehr unterschiedliche, sich scharf gegeneinander absetzende Erosionstiefen in der Oberfläche zu erzeugen.To solve the problem, a method of the beginning specified type, which is characterized in that before Placing the concrete in the form of different surface retarders superimposed or compacted, whereupon the surface immediately after striking with a controllable high pressure jet Water and / or sand and / or air is processed to a great extent different, sharply contrasting erosion depths in to produce the surface.

Mit dem Verfahren gemäß der Erfindung wird der wesentliche Vorteil erreicht, daß durch die statistisch verteilte Anordnung der unterschiedlichen Oberflächenverzögerer in Überlagerung bzw. Wirkungsverdichtung eine mehr oder weniger tiefe Oberflächen­ verzögerung des Betons erfolgt, so daß die noch auswaschbaren Betonteile zum Erzeugen der genannten unterschiedlichen Erosionstiefen dadurch hergestellt werden können.With the method according to the invention the main advantage achieved that by the statistically distributed arrangement of different surface retarders in superimposition or Effective compression of a more or less deep surface Delay of the concrete takes place, so that the still washable Concrete parts to create the different erosion depths mentioned can be manufactured thereby.

Um das Aussehen der Oberfläche im Hinblick auf unterschiedliche Farbgebungen zu verändern, können ferner in Aufbau und in Farbgebung unterschiedliche Betonmischungen in die Form eingebracht werden. Hierbei werden, im Gegensatz zur bekannten Technik des Melierens oder Marmorierens, die Mischungen nicht gleichzeitig, sondern mit erheblichem Zeitversatz in die Form gebracht. Damit kann, alleine oder in Verbindung mit der vorgenannten Bearbeitung der Oberfläche mittels des Hochdruckstahls aus Wasser und/oder Sand und/oder Luft eine farbliche Oberflächenform erzeugt werden, die einer gealterten oder gestalteten Oberfläche entspricht.To make the surface look different Changing colors can also change in structure and color different concrete mixes are introduced into the mold. In contrast to the known technique of mottling or Marbling, the mixtures not at the same time, but with considerable Time shift brought into shape. With it, alone or in combination with the aforementioned processing of the surface by means of High pressure steel from water and / or sand and / or air a colored Surface form are generated that are of an aged or designed Surface corresponds.

Schließlich können auch grobkörnige, konglomerate Steine vor der Betonmischung in die Form eingebracht werden. Dabei handelt es sich jeweils um mehrere, in Größe, Gestehung und Farbe unterschiedliche Einzelsteine, als natürlich oder künstlich dauerhaft verkittet zu Brocken, die der Oberfläche ein typisches Aussehen verleihen. In der Natur werden solche zusammengesetzte Steinbrocken oft als "Nagelfluh" bezeichnet. Finally, coarse-grained, conglomerate stones in front of the Concrete mix can be introduced into the mold. It is about each by several, in size, Design and color different individual stones, as natural or Artificially cemented into chunks that are typical of the surface Give appearance. Such are compound in nature Boulders are often referred to as "Nagelfluh".  

Mit dem Verfahren gemäß der Erfindung wird der wesentliche Vorteil erreicht, daß eine ausgezeichnete künstliche Alterung der Oberfläche in Form, Gestaltung und Farbe gestaltet werden kann, die z. B. einer zusammenhängenden Mauer ein wesentlich attraktiveres Aussehen verleiht.With the method according to the invention the main advantage achieved an excellent artificial aging of the surface in Shape, design and color can be designed, the z. B. one gives the connected wall a much more attractive appearance.

Anhand der Zeichnung soll am Beispiel einer bevorzugten Ausführungsform das Verfahren gemäß der Erfindung an einer L-förmigen Mauerscheibe näher erläutert werden.The drawing is based on the example of a preferred embodiment the method according to the invention on an L-shaped wall panel are explained in more detail.

Die Zeichnung zeigt in perspektivischer Ansicht ein Ausführungsbeispiel einer L-förmigen Mauerscheibe aus Beton.The drawing shows a perspective view of an embodiment an L-shaped wall made of concrete.

Der Stein weist einen unteren, das Auflager bildenden, abgewinkelten Teil 1 und einen die Wand bildenden, hochstehenden Teil 2 auf. Der hochstehende Teil 2 weist an seiner Oberfläche sehr unterschiedliche, sich scharf gegeneinander absetzende Erosionstiefen 3 auf, die durch Überlagerung bzw. Verdichtung unterschiedlicher Oberflächenverzögerer in Verbindung mit einem steuerbaren Hochdruckstrahl aus Wasser und/oder Sand und/oder Luft sofort nach dem Ausschalen erzeugt werden.The stone has a lower, angled part 1 , which forms the support, and an upstanding part 2 , which forms the wall. The upstanding part 2 has on its surface very different, sharply contrasting erosion depths 3 , which are generated by superimposing or compressing different surface retarders in conjunction with a controllable high-pressure jet of water and / or sand and / or air immediately after stripping.

Bei dem Stein können schließlich stufenweise, in Aufbau und Farbgebung unterschiedliche Betonmischungen mit erheblichem Zeitversatz in die Form eingebracht werden. Dadurch ergeben sich unterschiedliche Mischungszonen, die ebenfalls wesentlich zum Aussehen einer gealterten oder gestalteten Oberfläche betragen.Finally, the stone can be built up gradually, in structure and color different concrete mixes with considerable time lag in the form be introduced. This results in different Mixing zones that are also essential to the look of an aged or designed surface.

Schließlich können auch beliebig viele grobkörnige Konglomeratsteine 4 in die Form eingebracht werden. Hierbei handelt es sich um aus jeweils mehrere, in Größe, Gestehung und Farbe unterschiedliche Einzelsteine, natürlich oder künstlich dauerhaft verkittet zu Brocken. In der Natur werden solche zusammengefügten Steine oft als "Nagelfluh" bezeichnet.Finally, any number of coarse-grained conglomerate stones 4 can also be introduced into the mold. These are made up of several individual stones, each of different size, appearance and color, naturally or artificially cemented into chunks. In nature, such assembled stones are often referred to as "Nagelfluh".

Claims (4)

1. Verfahren zum Erzeugen künstlich gealterter, erodierter, wie z. B. von Wind und Wetter ausgelaugter Oberflächen an Betonsteinen, dadurch gekennzeichnet, daß vor dem Einbringen des Betons in die Form unterschiedliche Oberflächenverzögerer überlagert bzw. wirkungsverdichtet eingebracht werden, worauf die Fläche sofort nach dem Ausschalen mit einem steuerbaren Hochdruckstrahl aus Wasser und/oder Sand und/oder Luft bearbeitet wird, um sehr unterschiedliche, sich scharf gegeneinander absetzende Erosionstiefen in der Oberfläche zu erzeugen.1. A method for producing artificially aged, eroded, such. B. from wind and weather leached surfaces on concrete blocks, characterized in that different surface retarders are superimposed or introduced in an effect-compressed manner before the concrete is introduced, whereupon the surface immediately after stripping with a controllable high-pressure jet of water and / or sand and / or air is processed to produce very different, sharply contrasting erosion depths in the surface. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß stufenweise und zeitversetzt, in Aufbau und Farbgebung unterschiedliche Betonmischungen in die Form eingebracht werden.2. The method according to claim 1, characterized in that gradually and staggered, different in structure and color Concrete mixes are introduced into the mold. 3. Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, daß grobkörnige, in Gestalt und Farbe unterschiedliche Konglomeratsteine in die Form eingebracht werden.3. The method according to claim 1 and 2, characterized in that coarse-grained conglomerate stones that differ in shape and color be introduced into the mold. 4. Betonstein mit künstlich gealterter, erodierter, wie z. B. von Wind und Wetter ausgelaugter Oberfläche, dadurch gekennzeichnet, daß die Oberfläche unterschiedliche und unregelmäßige, ausgewaschene, gegeneinander scharf abgesetzte Erosionstiefen aufweist, in denen mehrere unterschiedlich große, grobkörnige Konglomeratsteine als verkittete Brocken eingebettet sind.4. Concrete block with artificially aged, eroded, such as. B. from wind and weather leached surface, characterized in that the surface different and irregular, washed out, has sharply offset erosion depths in which several different sized, coarse-grained conglomerate stones as cemented chunks are embedded.
DE19944423715 1994-07-08 1994-07-08 Method of forming artificially aged, weather eroded concrete surfaces Withdrawn DE4423715A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19944423715 DE4423715A1 (en) 1994-07-08 1994-07-08 Method of forming artificially aged, weather eroded concrete surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19944423715 DE4423715A1 (en) 1994-07-08 1994-07-08 Method of forming artificially aged, weather eroded concrete surfaces

Publications (1)

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DE4423715A1 true DE4423715A1 (en) 1996-01-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19512261A1 (en) * 1995-03-22 1996-09-26 Axel Leise Method of surface treatment for concrete etc.
FR2770442A1 (en) * 1997-11-03 1999-05-07 Jacques Leon Gorget Molding of reconstituted stone products

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1169985A (en) * 1913-07-15 1916-02-01 Arthur M Mickelson Process of constructing building-blocks.
DE1929954A1 (en) * 1968-06-14 1970-01-22 Rolls Royce Process for generating combustion gases, in particular for jet engines
DD155045A1 (en) * 1980-12-06 1982-05-12 Jochen Kratzsch DEVICE FOR PRODUCING WASHBETONE STRUCTURES IN FRESH-CONCRETE MIXTURES
DE3539566A1 (en) * 1985-11-05 1987-05-21 Menzel Hans C Method of texturing concrete surfaces

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1169985A (en) * 1913-07-15 1916-02-01 Arthur M Mickelson Process of constructing building-blocks.
DE1929954A1 (en) * 1968-06-14 1970-01-22 Rolls Royce Process for generating combustion gases, in particular for jet engines
DD155045A1 (en) * 1980-12-06 1982-05-12 Jochen Kratzsch DEVICE FOR PRODUCING WASHBETONE STRUCTURES IN FRESH-CONCRETE MIXTURES
DE3539566A1 (en) * 1985-11-05 1987-05-21 Menzel Hans C Method of texturing concrete surfaces

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HEUFERS,H., SCHULZE,W.: Waschbeton mit weißem Zement. In: Betonwerk + Fertigteil-Technik, H.1/1984, S.5-14 *
PROBST,Erich: Handbuch der Betonsteinindustrie, Carl Marbold Verlagsbuchhandlung, Berlin- Charlottenburg, 7.Aufl., 1962, S.364 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19512261A1 (en) * 1995-03-22 1996-09-26 Axel Leise Method of surface treatment for concrete etc.
FR2770442A1 (en) * 1997-11-03 1999-05-07 Jacques Leon Gorget Molding of reconstituted stone products

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