EP0282014A2 - Method for constructing heavy duty concrete floors - Google Patents

Method for constructing heavy duty concrete floors Download PDF

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Publication number
EP0282014A2
EP0282014A2 EP88103652A EP88103652A EP0282014A2 EP 0282014 A2 EP0282014 A2 EP 0282014A2 EP 88103652 A EP88103652 A EP 88103652A EP 88103652 A EP88103652 A EP 88103652A EP 0282014 A2 EP0282014 A2 EP 0282014A2
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Prior art keywords
layer
mortar
fresh
concrete
concrete layer
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German (de)
French (fr)
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EP0282014A3 (en
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Herbert Kube
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    • 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
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • E01C7/14—Concrete paving
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/02172—Floor elements with an anti-skid main surface, other than with grooves
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors

Definitions

  • the invention relates to a method for producing heavy-duty floors, in particular industrial floors, by laying fresh-on-fresh a hard material mortar layer on a concrete layer spread out on prepared ground.
  • Highly wear-resistant concrete floors are produced in several successive work steps according to the previously customary processes.
  • the concrete layer is often deaerated and thus compacted using Vacuum.
  • An adhesive bridge is then applied to the concrete layer in accordance with DIN 18 560, T.5, 5.4.
  • the transition layer is applied to this.
  • Finally, the top hard material layer is applied as a wear layer in a DIN-compatible composition depending on the intended type of stress on the floor.
  • a process is known from DD / PS 209224 which increases the pressure and wear resistance of the hardened cement screed of prefabricated hard aggregates by largely avoiding the formation of interfaces and fine grain accumulations on the mortar layers to be applied.
  • a rigid to very rigid lower layer of mortar is loosely applied to a base layer and leveled.
  • a rigid to very rigid cement-bound hard mortar layer is loosely applied in a required thickness and also leveled.
  • the two layers that have not yet set are then compacted in one operation to form an inhomogeneous hard-hardened cement screed. Due to the surface roughness of the leveled lower mortar layer and the joint compaction of both layers that have not yet set, a toothing is created which increases the area available for the adhesion of the layers.
  • the multilayer floors produced according to the prior art tend to crack, hollow spaces and premature detachment of the hard or transition layer from the substrate.
  • the reasons for the break-offs and outbreaks are almost exclusively due to the fact that the individual layers adhere to one another by adhesion or interlocking.
  • the interlocking produces a dowelling effect at the interface between the lower mortar layer and hard mortar layer, but this bond is also not strong enough to prevent premature soil destruction.
  • the invention has for its object to propose a method with which a floor with an intimate bond of the individual layers and can be produced with longer liability even under high loads and larger temperature differences.
  • a coarse-grained mortar is spread onto the concrete layer immediately after it has been laid and into the dough Concrete layer is rubbed, whereupon a mixture of cement and hard material is spread on the intermediate layer thus formed and rubbed fresh-on-fresh, the proportion of cement, starting from the concrete layer laid first, being increased from layer to layer.
  • the compulsory mixing on the fresh concrete surface has the consequence that no cracks or flaking, breakouts or the like can occur as a result of the layering.
  • Another advantage of the method according to the invention is that the concrete can be produced in one go without interruption.
  • the layers of the subsequent layer are applied as soon as the previous layer has been worked out but is still doughy in order to absorb the material of the subsequent layer in its surface area and thus effectively anchor it.
  • the coarse-grained mortar for the intermediate layer is preferably pasted with water. This makes it easier to spread on the concrete layer.
  • a coarse-grained mixture component in particular minerals such as quartz sand, corundum or slag from metallurgical processes, with a grain size of approximately 3 to 10 mm, preferably 5 to 6 mm, is to be added to the mortar for the intermediate layer.
  • the grain size of the coarse-grained mixture component is expediently determined so that it corresponds to the desired thickness of the intermediate layer, ie that it is about as large as the thickness of the intermediate layer. In this case, the grains of the mixture component are able to securely anchor the subsequent hard material layer.
  • the proportion of cement in the intermediate layer should have a ratio of approximately 1: 2 to 1: 3 to the proportion of solids.
  • the proportion of cement in the coating should expediently be increased in a ratio of 300: 500: 700 from bottom to top. If the proportion of cement in the concrete layer is 300 kg / m3, the proportion of cement in the intermediate layer should be 500 kg / m3 and that of the top layer of hard material 700 kg / m3.
  • the concrete layer is expediently spread out to a thickness of 10 to 20 cm, the intermediate layer to a thickness of 3 to 10 mm and the hard material layer to a thickness of 6 to 20 mm.
  • the concrete layer is preferably vacuumed.
  • the time for the setting of the concrete is reduced accordingly and the density of the concrete layer is increased.
  • the hard or wear layer can consist of terrazzo-colored or synthetic mortar layers.
  • the surfaces can be made rough, non-slip, but also smooth, dust-free and non-dusting.
  • a concrete layer 2 is poured onto a substrate 1 in the usual way.
  • a layer of mortar 3 is spread onto the concrete layer 2, which contains coarse grains 4 of a mixture component and cement and is pasted with water.
  • the layer 3 is incorporated into the concrete layer 2.
  • the result is indicated in Fig. 3.
  • the layer 3 is mixed with the material of the concrete layer 2 and forms a surface zone 3 ⁇ in which the coarse grains 4 are stored. In this state, the concrete layer is uniformly monolithic.
  • the hard material layer 5 is then spread out on the concrete layer 3 according to FIG. 3 according to FIG. 4. It consists of spattery or spherical hard material grains, mixed with cement and pasted with water.
  • the hard material layer 5 is worked into the top layer 3 ⁇ of the concrete layer 2, ie mixed with it. 5, a monolithic concrete layer 2 on the substrate 1 with a surface layer 3 dem, in which the intermediate layer 3 and the hard material layer 5 are contained anchored to one another.
  • the surface layer 3 ⁇ is cross-hatched. Even in this state of production, the concrete floor has a monolithic structure.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)

Abstract

Method for constructing heavy duty floors, in particular industrial floors, by fresh-on-fresh laying of a hard-aggregate mortar layer on a concrete layer spread out over prepared ground. The invention is characterised by the fact that a coarse-grained mortar is spread out over the concrete layer directly after its laying and is rubbed into the pasty concrete layer, whereupon a mixture of cement and hard aggregate is spread out over the intermediate layer thus formed and is rubbed in fresh-on-fresh, the cement content, starting from the initially laid concrete layer, being increased from layer to layer. <IMAGE>

Description

Die Erfindung betrifft ein Verfahren zur Herstellung von hochbelastbaren Fußböden, insbesondere Industriefußböden, durch Frisch-auf-Frisch Verlegung einer Hartstoff-Mörtelschicht auf eine auf vorbereitetem Grund ausgebreitete Betonschicht.The invention relates to a method for producing heavy-duty floors, in particular industrial floors, by laying fresh-on-fresh a hard material mortar layer on a concrete layer spread out on prepared ground.

Nach bisher üblichen Verfahren werden hochverschleißfeste Betonböden, insbesondere im Industriebereich, in mehreren aufeinanderfolgenden Arbeitsgängen hergestellt. Zunächst wird auf einem gut vorbereiteten Untergrund der tragende Beton in einer durchschnittlichen Dicke von rund 20 cm aufgebracht. Die Betonschicht wird dabei häufig durch Anwendung von Vacuum entlüftet und damit verdichtet. Auf die Betonschicht wird dann gemäß DIN 18 560, T.5, 5.4 eine Haftbrücke aufgebracht. Auf diese wird die Übergangsschicht aufgetragen. Schließlich erfolgt der Auftrag der obersten Hartstoffschicht als Verschleißschicht in einer DIN-gerechten Zusammensetzung in Abhängigkeit von der vorgesehenen Beanspruchungsart des Bodens.Highly wear-resistant concrete floors, in particular in the industrial sector, are produced in several successive work steps according to the previously customary processes. First, the load-bearing concrete with an average thickness of around 20 cm is applied to a well prepared surface. The concrete layer is often deaerated and thus compacted using Vacuum. An adhesive bridge is then applied to the concrete layer in accordance with DIN 18 560, T.5, 5.4. The transition layer is applied to this. Finally, the top hard material layer is applied as a wear layer in a DIN-compatible composition depending on the intended type of stress on the floor.

Aus der DD/PS 209224 ist ein Verfahren bekannt, das Druck­und Verschleißfestigkeit des hartstoffvergüteten Zementestrichs vorkonfektionierter Hartzuschlagstoffe dadurch erhöht, daß die Grenzflächenbildung und Feinstkornanreicherungen auf den aufzubringenden Mörtellagen weitestgehend vermieden werden.A process is known from DD / PS 209224 which increases the pressure and wear resistance of the hardened cement screed of prefabricated hard aggregates by largely avoiding the formation of interfaces and fine grain accumulations on the mortar layers to be applied.

Bei diesem Verfahren wird eine steife bis sehr steife untere Mörtellage lose auf eine Tragschicht aufgebracht und eingeebnet. Unmittelbar darauf wird eine steife bis sehr steife zementgebundene Hartstoffmörtellage in einer erforderlichen Dicke lose aufgebracht und ebenfalls eingeebnet. Anschließend werden die beiden noch nicht abgebundenen Lagen in einem Arbeitsgang zu einem inhomogenen hartstoffvergüteten Zementestrich verdichtet. Durch die Oberflächenrauhigeit der eingeebneten unteren Mörtellage sowie das gemeinsame Verdichten beider noch nicht abgebundener Lagen entsteht eine Verzahnung, durch die die für die Haftung der Lagen zur Verfügung stehende Fläche vergrößert wird.In this process, a rigid to very rigid lower layer of mortar is loosely applied to a base layer and leveled. Immediately afterwards, a rigid to very rigid cement-bound hard mortar layer is loosely applied in a required thickness and also leveled. The two layers that have not yet set are then compacted in one operation to form an inhomogeneous hard-hardened cement screed. Due to the surface roughness of the leveled lower mortar layer and the joint compaction of both layers that have not yet set, a toothing is created which increases the area available for the adhesion of the layers.

Die nach dem Stand der Technik hergestellten mehrschichtigen Böden neigen zur Rißbildung, Hohlstellen und zum vorzeitigen Ablösen der Hart- oder Übergangsschicht vom Untergrund. Die Ursachen für die Ab- und Ausbrüche sind fast ausschließlich darin begründet, daß die einzelnen Schichten durch Adhäsion oder Verzahnung aneinander haften. Im Falle der DD/PS 209224 wird zwar durch die Verzahnung ein Verdüblungseffekt an der Nahtstelle zwischen unterer Mörtellage und Hartstoffmörtellage erreicht, aber auch diese Bindung ist nicht stark genug, um frühzeitige Zerstörungen des Bodens zu verhindern.The multilayer floors produced according to the prior art tend to crack, hollow spaces and premature detachment of the hard or transition layer from the substrate. The reasons for the break-offs and outbreaks are almost exclusively due to the fact that the individual layers adhere to one another by adhesion or interlocking. In the case of DD / PS 209224, the interlocking produces a dowelling effect at the interface between the lower mortar layer and hard mortar layer, but this bond is also not strong enough to prevent premature soil destruction.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren vorzuschlagen, mit dem ein Fußboden mit innigerem Verbund der Einzelschichten und auch bei hoher Belastung und größeren Temperaturunterschieden mit längerer Haftbarkeit hergestellt werden kann.The invention has for its object to propose a method with which a floor with an intimate bond of the individual layers and can be produced with longer liability even under high loads and larger temperature differences.

Zur Lösung der gestellten Aufgabe wird bei dem erfindungsgemäßen Verfahren vorgeschlagen, daß auf die Betonschicht unmittelbar nach ihrem Verlegen ein grobkörniger Mörtel ausgebreitet und in die teigige Betonschicht eingerieben wird, worauf auf die so gebildete Zwischenschicht eine Mischung aus Zement und Hartstoff ausgebreitet und Frisch-auf-Frisch eingerieben wird, wobei der Zementanteil, ausgehend von der zuerst verlegten Betonschicht, von Schicht zu Schicht erhöht wird.To achieve the object, it is proposed in the method according to the invention that a coarse-grained mortar is spread onto the concrete layer immediately after it has been laid and into the dough Concrete layer is rubbed, whereupon a mixture of cement and hard material is spread on the intermediate layer thus formed and rubbed fresh-on-fresh, the proportion of cement, starting from the concrete layer laid first, being increased from layer to layer.

Bei einem derart hergestellten Betonfußboden entstehen keine separaten miteinander verklebten oder durch Adhäsion aneinander haftenden Schichten, sondern ein monolithischer Aufbau des Betonbodens.In the case of a concrete floor produced in this way, there are no separate layers bonded to one another or adhering to one another by adhesion, but rather a monolithic structure of the concrete floor.

Die zwangsweise Vermischung auf der frischen Betonfläche hat zur Folge, daß es auch zu keinen Rissen oder Abplatzungen, Ausbrüchen oder dergleichen als Folge der Schichtung kommen kann. Ein weiterer Vorteil des erfindungsgemäßen Verfahrens liegt darin, daß der Beton ohne Unterbrechung in einem Zug hergestellt werden kann. Die Schichtstoffe der Folgeschicht werden jeweils aufgetragen, sobald die vorhergehende Schichtung ausgearbeitet aber noch teigig ist, um das Material der Folgeschicht in ihrem Oberflächenbereich aufzunehmen und damit wirksam zu verankern.The compulsory mixing on the fresh concrete surface has the consequence that no cracks or flaking, breakouts or the like can occur as a result of the layering. Another advantage of the method according to the invention is that the concrete can be produced in one go without interruption. The layers of the subsequent layer are applied as soon as the previous layer has been worked out but is still doughy in order to absorb the material of the subsequent layer in its surface area and thus effectively anchor it.

Bevorzugt wird der grobkörnige Mörtel für die Zwischenschicht mit Wasser angeteigt. Damit kann er besser auf der Betonschicht ausgebreitet werden.The coarse-grained mortar for the intermediate layer is preferably pasted with water. This makes it easier to spread on the concrete layer.

Gemäß einer weiteren bevorzugten Ausgestaltung des erfindungsgemäßen Verfahrens soll dem Mörtel für die Zwischenschicht eine grobkörnige Mischungskomponente, insbesondere Mineralien, wie Quarzsand, Korund oder Schlacke aus metallurigschen Prozessen, mit einer Korngröße von etwa 3 bis 10 mm, vorzugsweise 5 bis 6 mm, zugesetzt werden. Die Korngröße der grobkörnigen Mischungskomponente wird zweckmäßigerweise so festgelegt, daß sie der gewünschten Dicke der Zwischenschicht entspricht, d.h., daß sie etwa so groß ist wie die Dicke der Zwischenschicht. In diesem Fall sind nämlich die Körner der Mischungskomponente in der Lage, die nachfolgende Hartstoffschicht sicher zu verankern.According to a further preferred embodiment of the method according to the invention, a coarse-grained mixture component, in particular minerals such as quartz sand, corundum or slag from metallurgical processes, with a grain size of approximately 3 to 10 mm, preferably 5 to 6 mm, is to be added to the mortar for the intermediate layer. The grain size of the coarse-grained mixture component is expediently determined so that it corresponds to the desired thickness of the intermediate layer, ie that it is about as large as the thickness of the intermediate layer. In this case, the grains of the mixture component are able to securely anchor the subsequent hard material layer.

Der Zementanteil der Zwischenschicht soll etwa ein Verhältnis 1 : 2 bis 1 : 3 zum Feststoffanteil aufweisen. Der Zementanteil der Beschichtung soll zweckmäßigerweise im Verhältnis 300:500:700 von unten nach oben erhöht werden. Wenn also der Zementanteil der Betonschicht 300 kg/m³ beträgt, so soll der Zementanteil der Zwischenschicht 500 kg/m³ und der der obersten Hartstoffschicht 700 kg/m³ betragen. Die Betonschicht wird zweckmäßigerweise auf eine Dicke von 10 bis 20 cm, die Zwischenschicht auf eine Dicke von 3 bis 10 mm und die Hartstoffschicht auf eine Dicke von 6 bis 20 mm ausgebreitet.The proportion of cement in the intermediate layer should have a ratio of approximately 1: 2 to 1: 3 to the proportion of solids. The proportion of cement in the coating should expediently be increased in a ratio of 300: 500: 700 from bottom to top. If the proportion of cement in the concrete layer is 300 kg / m³, the proportion of cement in the intermediate layer should be 500 kg / m³ and that of the top layer of hard material 700 kg / m³. The concrete layer is expediently spread out to a thickness of 10 to 20 cm, the intermediate layer to a thickness of 3 to 10 mm and the hard material layer to a thickness of 6 to 20 mm.

Bevorzugt wird bei dem erfindungsgemäßen Verfahren die Betonschicht vacuumiert. In diesem Fall wird die Zeit für das Abbinden des Betons entsprechend verkürzt und die Dichte der Betonschicht erhöht. Es wird aber sichergestellt, daß der Boden ohne Unterbrechung weiter bearbeitet werden kann, weil für die weiteren Schichten der Untergrund noch teigig genug ist, um die Homogenisierung durch Vermischen zu gewährleisten. Die Hart- oder Nutzschicht kann aus terrazzo-farbigen oder Kunstmörtelschichten bestehen. Die Oberflächen können rauh, rutschfest, aber auch glatt, staubfrei und nicht staubend hergestellt werden.In the method according to the invention, the concrete layer is preferably vacuumed. In this case, the time for the setting of the concrete is reduced accordingly and the density of the concrete layer is increased. However, it is ensured that the soil can be worked on without interruption, because the substrate is still doughy enough for the other layers to ensure homogenization by mixing. The hard or wear layer can consist of terrazzo-colored or synthetic mortar layers. The surfaces can be made rough, non-slip, but also smooth, dust-free and non-dusting.

Anhand eines Beispiels wird das erfindungsgemäße Verfahren näher erläutert. Gemäß Fig. 1 wird auf einem Untergrund 1 in üblicher Weise eine Betonschicht 2 gegossen. Auf die Betonschicht 2 wird gemäß Fig. 3 eine Schicht Mörtel 3 ausgebreitet, der grobe Körner 4 einer Mischungskomponente und Zement enthält und mit Wasser angeteigt ist. Nach dem Ausbreiten der Schicht 3 wird diese in die Betonschicht 2 eingearbeitet. Das Ergebnis ist in Fig. 3 angedeutet. Die Schicht 3 ist mit dem Material der Betonschicht 2 vermischt und bildet eine Oberflächenzone 3ʹ, in der die groben Körner 4 eingelagert werden. In diesem Zustand ist die Betonlage einheitlich monolithisch. Auf der Betonlage 3 gemäß Fig. 3 wird dann gemäß Fig. 4 die Hartstoffschicht 5 ausgebreitet. Sie besteht aus spratzigen oder kugeligen Hartstoffkörnern, gemischt mit Zement und mit Wasser angeteigt. Nach dem Ausbreiten wird die Hartstoffschicht 5 in die Oberschicht 3ʹ der Betonlage 2 eingearbeitet, d.h., mit dieser vermischt. Das Ergebnis ist entsprechend Fig. 5, eine monolithische Betonlage 2 auf dem Untergrund 1 mit einer Oberflächenschicht 3ʺ, in welcher die Zwischenschicht 3 und die Hartstoffschicht 5 miteinander verankert enthalten sind. Die Oberflächenschicht 3ʺ ist kreuz-schraffiert. Auch in diesem Fertigungszustand hat der Betonboden einen monolithischen Aufbau.The method according to the invention is explained in more detail using an example. 1, a concrete layer 2 is poured onto a substrate 1 in the usual way. 3, a layer of mortar 3 is spread onto the concrete layer 2, which contains coarse grains 4 of a mixture component and cement and is pasted with water. After this Spreading the layer 3 is incorporated into the concrete layer 2. The result is indicated in Fig. 3. The layer 3 is mixed with the material of the concrete layer 2 and forms a surface zone 3ʹ in which the coarse grains 4 are stored. In this state, the concrete layer is uniformly monolithic. The hard material layer 5 is then spread out on the concrete layer 3 according to FIG. 3 according to FIG. 4. It consists of spattery or spherical hard material grains, mixed with cement and pasted with water. After spreading, the hard material layer 5 is worked into the top layer 3ʹ of the concrete layer 2, ie mixed with it. 5, a monolithic concrete layer 2 on the substrate 1 with a surface layer 3 dem, in which the intermediate layer 3 and the hard material layer 5 are contained anchored to one another. The surface layer 3ʺ is cross-hatched. Even in this state of production, the concrete floor has a monolithic structure.

Claims (8)

1. Verfahren zur Herstellung von hoch belastbaren Fußböden, insbesondere Industriefußböden, durch Frisch-auf-Frisch-Verlegung einer Hartstoff-Mörtelschicht auf eine auf vorbereitetem Grund ausgebreitete Betonschicht,
dadurch gekennzeichnet, daß auf die Betonschicht unmittelbar nach ihrem Verlegen ein grobkörniger Mörtel ausgebreitet und in die teigige Betonschicht eingerieben wird, worauf auf die so gebildete Zwischenschicht eine Mischung aus Zement und Hartstoff ausgebreitet und Frisch-auf-Frisch eingerieben wird, wobei der Zementanteil, ausgehend von der zuerst verlegten Betonschicht, von Schicht zu Schicht erhöht wird.1. Process for the production of highly resilient floors, in particular industrial floors, by laying a layer of hard mortar on a concrete layer spread out on prepared ground, fresh-to-fresh
characterized in that a coarse-grained mortar is spread onto the concrete layer immediately after it has been laid and rubbed into the doughy concrete layer, whereupon a mixture of cement and hard material is spread onto the intermediate layer thus formed and rubbed fresh-on-fresh, the proportion of cement starting out from the concrete layer laid first, from layer to layer. 2. Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß der grobkörnige Mörtel für die Zwischenschicht mit Wasser angeteigt wird.2. The method according to claim 1,
characterized in that the coarse-grained mortar for the intermediate layer is pasted with water. 3. Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß dem Mörtel für die Zwischenschicht eine grobkörnige Mischungskomponente mit einer Korngröße von etwa 3 bis 10 mm, vorzugsweise 5 bis 6 mm, zugesetzt wird.3. The method according to claim 1 or 2,
characterized in that a coarse-grained mixture component with a grain size of about 3 to 10 mm, preferably 5 to 6 mm, is added to the mortar for the intermediate layer. 4. Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß dem Mörtel für die Zwischenschicht grobkörnige Mineralien, wie Quarzsand, Korund, oder Schlacke aus metallurgischen Prozessen zugesetzt werden.4. The method according to any one of claims 1 to 3,
characterized in that coarse-grained minerals, such as quartz sand, corundum, or slag from metallurgical processes are added to the mortar for the intermediate layer. 5. Verfahren nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß dem Mörtel für die Zwischenschicht ein Zementanteil im Verhältnis 1 : 2 bis 1 : 3 zum Feststoffanteil der Mischung zugesetzt wird.5. The method according to any one of claims 1 to 4,
characterized in that a proportion of cement in the ratio of 1: 2 to 1: 3 to the solids content of the mixture is added to the mortar for the intermediate layer. 6. Verfahren nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß der Zementanteil der homogenen monolithischen Schichtung im Verhältnis 300 : 500 : 700 von unten nach oben erhöht wird.6. The method according to any one of claims 1 to 5,
characterized in that the proportion of cement of the homogeneous monolithic layering is increased from bottom to top in a ratio of 300: 500: 700. 7. Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Betonschicht auf eine Dicke von 10 bis 20 mm, die Zwischenschicht auf eine Dicke von 3 bis 10 mm und die Hartstoffschicht auf eine Dicke von 6 bis 20 mm ausgebreitet werden.7. The method according to any one of claims 1 to 6, characterized in that the concrete layer to a thickness of 10 to 20 mm, the intermediate layer to a thickness of 3 to 10 mm and the hard material layer are spread to a thickness of 6 to 20 mm. 8. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Betonschicht vakuumiert wird.8. The method according to any one of claims 1 to 7, characterized in that the concrete layer is vacuumed.
EP88103652A 1987-03-10 1988-03-09 Method for constructing heavy duty concrete floors Withdrawn EP0282014A3 (en)

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DE3707613 1987-03-10
DE19873707613 DE3707613A1 (en) 1987-03-10 1987-03-10 METHOD FOR THE PRODUCTION OF HIGHLY RESISTANT CONCRETE FLOORS

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EP0282014A2 true EP0282014A2 (en) 1988-09-14
EP0282014A3 EP0282014A3 (en) 1989-04-12

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FR2391336A1 (en) * 1977-05-18 1978-12-15 Cempro Ag PROCESS FOR MAKING A VERY RESISTANT SCREED CONTAINING CEMENT AS A BINDER AND HARD AGGREGATE
FR2493214A1 (en) * 1980-10-30 1982-05-07 Kronimus Betonsteinwerk Paving zones mfd. in two layers - the upper layer contg. magmatic rock granulate, by compacting layers together in mould before setting
FR2561283A1 (en) * 1984-03-16 1985-09-20 Guerin Gabriel Novel composite concrete material and its method of manufacture.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0737787A1 (en) * 1995-04-10 1996-10-16 N.V. Bekaert S.A. Continuous floor slab construction
BE1009314A3 (en) * 1995-04-10 1997-02-04 Bekaert Sa Nv Making a continuous floor construction.

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DE3707613C2 (en) 1989-02-02
EP0282014A3 (en) 1989-04-12

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