EP2208833B1 - Mauerstein aus Porenbeton - Google Patents
Mauerstein aus Porenbeton Download PDFInfo
- Publication number
- EP2208833B1 EP2208833B1 EP20100150421 EP10150421A EP2208833B1 EP 2208833 B1 EP2208833 B1 EP 2208833B1 EP 20100150421 EP20100150421 EP 20100150421 EP 10150421 A EP10150421 A EP 10150421A EP 2208833 B1 EP2208833 B1 EP 2208833B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- brick
- zone
- insulation
- bores
- brick 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.)
- Not-in-force
Links
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
- E04B2/16—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2002/0202—Details of connections
- E04B2002/0204—Non-undercut connections, e.g. tongue and groove connections
- E04B2002/0208—Non-undercut connections, e.g. tongue and groove connections of trapezoidal shape
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
- E04B2002/0202—Details of connections
- E04B2002/0204—Non-undercut connections, e.g. tongue and groove connections
- E04B2002/0228—Non-undercut connections, e.g. tongue and groove connections with tongues next to each other on one end surface and grooves next to each other on opposite end surface
Definitions
- the invention relates to a brick made of aerated concrete.
- Such bricks have basically been known for a long time. They are characterized by a uniform material structure of a load-bearing concrete material that is intimately interspersed with usually fine pores. As a result of these air inclusions, such an aerated concrete block already has per se a good thermal insulation capacity.
- Wall construction materials especially for residential construction, are now becoming increasingly demanding.
- the classic solid construction with a high load capacity of the masonry and an excellent fire and noise control behavior with minimum wall thicknesses should be feasible.
- the highest possible thermal insulation should be achieved.
- the heat transfer through the wall should be kept so low that high standards, such as those required for the construction of a so-called passive house, are complied with.
- a quick and uncomplicated processing in technically professional execution should also be supported.
- the brick should be biologically harmless and show good recycling ability.
- the present invention seeks to improve the classic brick of aerated concrete without special manufacturing overhead, taking into account the above-mentioned boundary conditions heat insulation technology.
- the support zone ensures sufficient static strength of the brick.
- the subsequent thermal insulation zone improves due to the introduced Dämmbohrungen the insulation behavior of the stone considerably.
- the introduction of air ducts in bricks is already known from the brick industry, but relatively coarse and substantially uniformly distributed over the brick in its heat transfer direction hole patterns are used.
- the brick according to the invention is targeted in the thermal insulation zone filigree, subsequently introduced holes.
- the outer weathering zone is provided.
- the brick according to the invention remains the same material of aerated concrete, so that it is biologically harmless and easy to recycle. Its fast and uncomplicated processing in technically professional execution is easily possible.
- the brick shown in the two drawings consists of conventional aerated concrete and is cuboid in its basic structure with an inner side 1, an outer side 2, (not recognizable) base surface, a top surface 3 and the two lateral joint surfaces 4, 5.
- the latter are centered with a vertically continuous, in horizontal section semi-circular mortar groove 6 and a nut and spring-like fitting system with trapezoidal in horizontal section, vertically continuous web projections 7 and 8 corresponding recesses provided.
- an inner support zone 10 In the heat passage direction 9, an inner support zone 10, an adjoining heat-insulating zone 11 and an outer weathering zone 12 are provided.
- the support zone 10 has a thickness d T of at least 50% of the thickness d of the brick.
- the subsequent thermal insulation zone 11 is at a Thickness d W in the range between 15% and 20% of the thickness d of the brick, for the weathering zone 12 a thickness of d B remains between 20% and 25% of the thickness d of the brick.
- Specific thickness specifications are given in the dimension table to be found at the end of the description of the exemplary embodiment.
- a plurality of rows of vertically continuous Dämmbohronne 13 are provided in the support zone. Their diameter is on the order of between 5 mm and 10 mm. They are arranged in a row at a uniform grid center distance a R of 10 mm to 20 mm, their center distance a M from row to row being in the same size range.
- the individual Dämmbohrache 13 are in a row each centrally offset from the Dämmbohronne 13 of the adjacent row.
- FIG. 1 brick shown has Dämmbohrungen with a smaller diameter of 6 mm. There are 178 holes shown arranged in five rows. When only four rows are inserted, there are 142 holes.
- the brick according to FIG. 2 has Dämmbohronne 13 with a larger diameter of 8 mm, which are arranged in four rows to 118 holes. When using only three rows 87 Dämmbohronne 13 are introduced.
- dimension table gives the concrete dimensions of the bricks shown Figures 1 and 2 at.
- dimension table Fig. 1 Fig. 2 1 624 mm 624 mm d 300 mm 300 mm d T 175 mm 175 mm d W 56 mm 53 mm d B 69 mm 72 mm a R 15 mm 18 mm a m 12.5 mm 15 mm
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Description
- Die Erfindung betrifft einen Mauerstein aus Porenbeton.
- Derartige Mauersteine sind grundsätzlich seit langem bekannt. Sie zeichnen sich durch einen materialeinheitlichen Aufbau aus einem tragenden Betonmaterial aus, dass mit in der Regel feinen Poren innig durchsetzt ist. Durch diese Lufteinschlüsse weist ein solcher Porenbetonstein bereits an sich ein gutes Wärmedämmvermögen auf.
- An Mauerbaustoffe insbesondere für den Wohnhausbau werden nun zunehmend anspruchsvollere Anforderungen gestellt. So soll die klassische massive Bauweise mit einer hohen Belastbarkeit des Mauerwerks und einem ausgezeichneten Brand- und Lärmschutzverhalten bei möglichst geringen Wanddicken realisierbar sein. Dabei soll eine möglichst hohe Wärmedämmung erreicht werden. Optimaler Weise soll der Wärmedurchgang durch die Wand so niedrig gehalten werden, dass hohe Standards, wie sie beispielsweise für den Bau eines sogenannten Passivhauses gefordert werden, eingehalten sind. Eine schnelle und unkomplizierte Verarbeitung in handwerklich fachgerechter Ausführung soll ferner unterstützt werden. Schließlich soll der Mauerstein baubiologisch unbedenklich sein und eine gute Recycling-Fähigkeit zeigen.
- Davon ausgehend liegt der Erfindung die Aufgabe zugrunde, den klassischen Mauerstein aus Porenbeton ohne besonderen Herstellungsmehraufwand unter Beachtung der vorstehend aufgezeigten Randbedingungen wärmedämmtechnisch zu verbessern.
- Diese Aufgabe wird durch einen Porenbeton-Mauerstein mit den im Kennzeichnungsteil des Anspruches 1 angegebenen Merkmalen gelöst.
- Demnach ist eine Zonenaufteilung in Wärmedurchgangsrichtung für den Stein vorgesehen mit
- einer inneren Tragzone,
- einer sich daran anschließenden Wärmedämmzone, in der der Mauerstein mit mehreren quer zur Wärmedurchgangsrichtung verlaufenden Reihen vertikaler Dämmbohrungen mit einem Durchmesser von unter 1 cm versehen ist, und
- einer äußeren Bewitterungszone.
- Durch diese Zonenaufteilung, die lediglich durch das einfache Einbringen von Dämmbohrungen in der Wärmedämmzone geschaffen wird, werden die oben erwähnten, teilweise einander widersprechenden Randbedingungen erfüllt. So sorgt die Tragzone für eine ausreichende statische Festigkeit des Mauersteins. Die anschließende Wärmedämmzone verbessert aufgrund der eingebrachten Dämmbohrungen das Dämmverhalten des Steins erheblich. Das Einbringen von Luftkanälen in Mauersteinen ist zwar bereits aus der Ziegelindustrie bekannt, jedoch werden dort relativ grobe und im Wesentlichen gleichmäßig über den Mauerstein in seiner Wärmedurchgangsrichtung verteilte Lochbilder verwendet. Der erfindungsgemäße Mauerstein setzt demgegenüber gezielt in der Wärmedämmzone filigrane, nachträglich einzubringende Bohrungen ein.
- Um den Mauerstein auch auf der Außenseite ausreichend, insbesondere gegen Witterungseinflüsse zu schützen, ist die äußere Bewitterungszone vorgesehen.
- Insgesamt bleibt der erfindungsgemäße Mauerstein materialeinheitlich aus Porenbeton, so dass er baubiologisch unbedenklich und gut recycelbar ist. Seine schnelle und unkomplizierte Verarbeitung in handwerklich fachgerechter Ausführung ist problemlos weiterhin möglich.
- In den abhängigen Ansprüchen sind bevorzugte Ausführungsformen des Mauersteins angegeben, deren Merkmale, Einzelheiten und Vorteile aus der nachfolgenden Beschreibung von Ausführungsbeispielen anhand der beigefügten Zeichnungen klar werden. Es zeigen:
- Fig. 1 und 2
- Draufsichten auf Mauersteine in zwei unterschiedlichen Ausführungsformen.
- Der in den beiden Zeichnungen dargestellte Mauerstein besteht aus üblichem Porenbeton und ist in seinem Grundaufbau quaderförmig mit einer Innenseite 1, einer Außenseite 2, der (nicht erkennbaren) Grundfläche, einer Deckfläche 3 und den beiden seitlichen Fugenflächen 4, 5. Letztere sind mittig mit einer vertikal durchgehenden, im Horizontalschnitt halbkreisförmigen Mörtelnut 6 sowie einem nut- und federartigen Passsystem mit im Horizontalschnitt trapezförmigen, vertikal durchgehenden Stegvorsprüngen 7 und korrespondierenden Ausnehmungen 8 versehen.
- In Wärmedurchgangsrichtung 9 sind eine innere Tragzone 10, eine sich daran anschließende Wärmedämmzone 11 und eine äußere Bewitterungszone 12 vorgesehen.
- Die Tragzone 10 weist eine Dicke dT von mindestens 50 % der Dicke d des Mauersteins auf. Die anschließende Wärmedämmzone 11 liegt bei einer Dicke dW im Bereich zwischen 15 % und 20 % der Dicke d des Mauersteins, für die Bewitterungszone 12 bleibt eine Dicke von dB zwischen 20 % und 25 % der Dicke d des Mauersteins. Konkrete Dickenangaben sind in der am Ende der Beschreibung des Ausführungsbeispieles zu findenden Dimensionstabelle angegeben.
- In der Tragzone sind mehrere Reihen vertikal durchgehender Dämmbohrungen 13 vorgesehen. Ihr Durchmesser liegt in der Größenordnung zwischen 5 mm und 10 mm. Sie sind in einem gleichmäßigen Rastermittenabstand aR von 10 mm bis 20 mm in einer Reihe angeordnet, ihr Mittenabstand aM von Reihe zu Reihe liegt im gleichen Größenbereich.
- Bei beiden Ausführungsformen liegen die einzelnen Dämmbohrungen 13 in einer Reihe jeweils mittig versetzt zu den Dämmbohrungen 13 der benachbarten Reihe.
- Der in
Figur 1 gezeigte Mauerstein weist Dämmbohrungen mit einem geringeren Durchmesser von 6 mm auf. Es sind 178 Bohrungen gezeigt, die in fünf Reihen angeordnet sind. Bei Einbringung von lediglich vier Reihen sind 142 Bohrungen vorhanden. - Der Mauerstein gemäß
Figur 2 weist Dämmbohrungen 13 mit einem größeren Durchmesser von 8 mm auf, die in vier Reihen zu 118 Bohrungen angeordnet sind. Bei Verwendung von nur drei Reihen sind 87 Dämmbohrungen 13 eingebracht. - Die folgende Dimensionstabelle gibt die konkreten Maße der gezeigten Mauersteine gemäß
Figuren 1 und 2 an.Dimensionstabelle Fig. 1 Fig. 2 1 624 mm 624 mm d 300 mm 300 mm dT 175 mm 175 mm dW 56 mm 53 mm dB 69 mm 72 mm aR 15 mm 18 mm aM 12,5 mm 15 mm
Claims (9)
- Mauerstein aus Porenbeton, gekennzeichnet durch eine Zonenaufteilung in Wärmdurchgängsrichtung (9) mit- einer inneren Tragzone (10),- einer sich daran anschließenden Wärmedämmzone (11), in der der Mauerstein mit mehreren quer zur Wärmedurchgangsrichtung (9) verlaufenden Reihen vertikaler Dämmbohrungen (13) mit einem Durchmesser von unter 1 cm versehen ist, und- einer äußeren Bewitterungszone (12).
- Mauerstein nach Anspruch 1, dadurch gekennzeichnet, dass die innere Tragzone (10) mindestens 50 % der Dicke (d) des Mauersteins einnimmt.
- Mauerstein nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Wärmedämmzone (11) zwischen 15 % und 20% der Dicke (d) des Mauersteins einnimmt.
- Mauerstein nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass die Bewitterungszone (12) zwischen 20 % und 25% der Dicke (d) des Mauersteins einnimmt.
- Mauerstein nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass die Dämmbohrungen (13) einen Durchmesser von 5 mm bis 10 mm aufweisen.
- Mauerstein nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass die Dämmbohrungen (13) in einem gleichmäßigen Rastermittenabstand (aR) von 10 mm bis 20 mm in einer Reihe angeordnet sind.
- Mauerstein nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass die Dämmbohrungen (13) quer zur Wärmedurchgangsrichtung (9) von Reihe zu Reihe versetzt zueinander angeordnet sind.
- Mauerstein nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass der Mittenabstand (aM) der Dämmbohrungen (13) zwischen zwei benachbarten Reihen 10 mm bis 20 mm beträgt.
- Mauerstein nach einem der vorgenannten Ansprüche, dadurch gekennzeichnet, dass die Dämmbohrungen (13) vertikal durchgehend angelegt sind.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200920000561 DE202009000561U1 (de) | 2009-01-17 | 2009-01-17 | Mauerstein aus Porenbeton |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2208833A2 EP2208833A2 (de) | 2010-07-21 |
EP2208833A3 EP2208833A3 (de) | 2013-12-04 |
EP2208833B1 true EP2208833B1 (de) | 2014-09-03 |
Family
ID=40577520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20100150421 Not-in-force EP2208833B1 (de) | 2009-01-17 | 2010-01-11 | Mauerstein aus Porenbeton |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2208833B1 (de) |
DE (1) | DE202009000561U1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2832935B1 (de) * | 2013-07-30 | 2019-08-28 | Ziegelei Hochdorf AG | Erdbebensicherer Baustein |
CN105421645A (zh) * | 2015-11-27 | 2016-03-23 | 山东科技大学 | 一组节能抗震型自保温砌块 |
RU174524U1 (ru) * | 2016-12-08 | 2017-10-19 | Общество С Ограниченной Ответственностью "Полар Инвест" | Камень стеновой |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1771853B1 (de) * | 1968-07-20 | 1971-11-25 | Heinz Dennert | Aussenwandstein mit Waermedaemmung |
DE4432387A1 (de) * | 1993-07-23 | 1996-03-14 | Hans Herberger | Bauelement |
DE29618705U1 (de) * | 1996-10-26 | 1997-01-02 | Ila Bauen & Wohnen Oekologisch | Bausystem zur Erstellung von Gebäuden |
-
2009
- 2009-01-17 DE DE200920000561 patent/DE202009000561U1/de not_active Expired - Lifetime
-
2010
- 2010-01-11 EP EP20100150421 patent/EP2208833B1/de not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
DE202009000561U1 (de) | 2009-04-23 |
EP2208833A3 (de) | 2013-12-04 |
EP2208833A2 (de) | 2010-07-21 |
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