EP3680569B1 - Ventilation network - Google Patents

Description

The invention relates to a kit for producing a ventilation network for a building and components of such a ventilation network and a method for producing these components.

Ventilation networks constructed from concrete construction elements with concrete blocks with flow spaces for use in buildings, including for single and multi-family houses, are known. The construction elements with concrete blocks create vertical shafts extending through the ceiling in the buildings and lateral distributions with ceiling valves in the floor ceilings in order to supply and extract air in and out in separate lines via central ventilation devices.

The DE 10 2009 020 728 A1 describes a ventilation network for a building made of concrete construction elements. The concrete construction elements basically each have plastic pipes embedded in the concrete block. They therefore only form plastic pipe-concrete construction elements.

The invention is based on the object of developing a kit for producing a ventilation network, in particular for single and multi-family houses, and components of such a ventilation network, in order to create a corresponding product that is particularly inexpensive to assemble on site and has a high level of functionality in use. The focus is particularly on single and multi-family houses, especially those with exposed roof trusses.

The object is achieved with the subject matter of main claim 1. This object is a kit for producing a ventilation network for a building, preferably a single or multi-family house.

The object is also achieved with the subject matter of the main claim 11. This subject matter is a visible roof structure connected to a ventilation network made up of components of the modular system according to claims 1 to 10.

Furthermore, the object is achieved with the subject matter of main process claim 13, which is a method for producing concrete structural elements of a ventilation network for a building, in particular as a component of the aforementioned modular system.

The modular system according to the invention according to main claim 1 is a modular system for producing a ventilation network for a building, preferably a single or multi-family house.

1. a) Betonbauelemente
2. b) Kunststoffrohr-Betonbauelemente
3. c) ablängbares Flexrohr
4. d) Kupplungselemente
   • wobei die Betonbauelemente gemäß a) jeweils nur als Faserbetonblock, insbesondere Glasfaserbetonblock, ausgebildet sind, vorzugsweise durch Gießverfahren in einer Gießform hergestellt oder jeweils nur als Leichtbetonblock ausgebildet sind, vorzugsweise durch Rüttelpressverfahren in Pressform hergestellt;
   • wobei die Kunststoffrohr-Betonbauelemente gemäß b) jeweils als Faserbetonblock, insbesondere Glasfaserbetonblock, mit einbetoniertem Kunststoffrohr ausgebildet sind, vorzugsweise durch Gießverfahren in einer Gießform hergestellt;
   • wobei das ablängbare Flexrohr gemäß c) als flexibles Kunststoffwellrohr mit gewellter Außenwand und glatter Innenwand ausgebildet ist, vorzugsweise aus Polyethylenmaterial;
   • wobei die Kupplungselemente gem. d) als Kupplungsrohrstutzen und/oder Rohrkupplungselemente ausgebildet sind.

The subject matter of main claim 1 is a kit for producing a ventilation network for a building, preferably a single or multi-family house, comprising the following components:

1. a) Concrete construction elements
2. b) Plastic pipe-concrete construction elements
3. c) flexible pipe that can be cut to length
4. d) coupling elements
   • wherein the concrete construction elements according to a) are each designed only as a fiber concrete block, in particular a glass fiber concrete block, preferably manufactured by casting processes in a casting mold or each only designed as a lightweight concrete block, preferably manufactured by vibrating press processes in a press mold;
   • wherein the plastic pipe-concrete structural elements according to b) are each designed as a fiber-reinforced concrete block, in particular a glass-fiber-reinforced concrete block, with a plastic pipe embedded in concrete, preferably produced by casting processes in a casting mold;
   • wherein the flexible tube that can be cut to length according to c) is designed as a flexible corrugated plastic tube with a corrugated outer wall and a smooth inner wall, preferably made of polyethylene material;
   • wherein the coupling elements according to d) are designed as coupling pipe stubs and / or pipe coupling elements.

• Betonbauelement Vertikalschacht, wobei das als Faserbetonblock oder Leichtbetonblock ausgebildete Betonbauelement mindestens einen in dem Faserbetonblock bzw. Leichtbetonblock vertikal ausgerichtet ausgeformten Schacht mit jeweils mindestens einer ersten Öffnung als Ein- oder Ausgang und mit mindestens einer zweiten Öffnung als Aus- oder Eingang aufweist;
• Betonbauelement Ventiladapter, wobei das als Faserbetonblock oder Leichtbetonblock ausgebildete Betonbauelement einen Durchgangsraum mit mindestens einer ersten Öffnung als Ein- oder Ausgang und mindestens einer zweiten Öffnung als Aus- oder Eingang aufweist, wobei die erste Öffnung und/oder die zweite Öffnung zur Aufnahme eines Ventils, vorzugsweise stutzenförmig ausgebildet ist;
• wobei das Betonbauelement Ventiladapter als Betonbauelement Deckenventiladapter und/oder als Betonbauelement Wandventiladapter ausgebildet ist bzw. sind.

It is provided here that the kit comprises the following components, which are designed as concrete construction elements according to a):

• Concrete component vertical shaft, the concrete component formed as a fiber concrete block or lightweight concrete block at least one formed vertically aligned in the fiber concrete block or lightweight concrete block Has shaft with at least one first opening as an inlet or outlet and with at least one second opening as an outlet or inlet;
• Concrete component valve adapter, the concrete component formed as a fiber concrete block or lightweight concrete block having a passage space with at least one first opening as an inlet or outlet and at least one second opening as an outlet or inlet, the first opening and / or the second opening for receiving a valve, is preferably designed in the shape of a connector;
• wherein the concrete component valve adapter is or are designed as a concrete component ceiling valve adapter and / or as a concrete component wall valve adapter.

• Kunststoffrohr-Betonbauelement Rohrbogen, wobei das als Faserbetonblock mit einbetoniertem Kunststoffrohr ausgebildete Kunststoffrohr-Betonbauelement so ausgebildet ist, dass das Kunststoffrohr gekrümmt in Form eines einen rechten Winkel einschließenden Rohrbogens in den Faserbetonblock einbetoniert ist mit einer ersten Öffnung als Ein- oder Ausgang und einer zweiten Öffnung als Aus- oder Eingang,
• Kunststoffrohr-Betonbauelement Wandvertikalrohr, wobei das als Faserbetonblock mit einbetoniertem Kunststoffrohr ausgebildete Kunststoffrohr-Betonbauelement so ausgebildet ist, dass der Faserbetonblock mit linear vertikal ausgerichtet einbetoniertem Kunststoffrohr ausgebildet ist und das Kunststoffrohr-Betonbauelement am einen Ende seiner vertikalen Erstreckung eine erste Öffnung als Ein- oder Ausgang und am gegenüberliegenden anderen Ende seiner vertikalen Erstreckung eine zweite Öffnung als Aus- oder Eingang aufweist.

It is provided that the kit comprises the following components, which are designed as plastic pipe-concrete construction elements according to b):

• Plastic pipe-concrete construction element Pipe bend, whereby the plastic pipe-concrete construction element designed as a fiber-reinforced concrete block with a concreted-in plastic pipe is designed in such a way that the plastic pipe is curved in the form of a pipe bend enclosing a right angle and is concreted into the fiber-reinforced concrete block with a first opening as an entrance or exit and a second opening as output or input,
• Plastic pipe-concrete construction element Wall vertical pipe, whereby the plastic pipe-concrete construction element designed as a fiber-reinforced concrete block with a plastic pipe embedded in concrete is designed in such a way that the fiber-concrete block is constructed with a linearly vertically aligned plastic pipe and the plastic pipe-concrete construction element has a first opening as an entrance or exit at one end of its vertical extension and at the opposite other end of its vertical extension has a second opening as an exit or entrance.

• dass das Betonbauelement Vertikalschacht zum Durchgriff durch eine Gebäudedecke ausgebildet ist; und/oder
• dass das Betonbauelement Ventiladapter als Deckenventiladapter ausgeführt, zum Einbau in eine Gebäudedecke ausgebildet ist, und/oder als Wandventiladapter ausgeführt, zum Einbau in eine Gebäudewand, vorzugsweise in eine Gebäudezwischenwand ausgebildet ist; und/oder
• dass das Kunststoffrohr-Betonbauelement Rohrbogen zumindest mit seinem vertikal nach oben stehenden Abschnitt zum Einbau in eine Gebäudewand, vorzugsweise Gebäudezwischenwand ausgebildet ist und vorzugsweise mit seinem unteren horizontal gerichteten Abschnitt zum Einbau in eine Gebäudedecke ausgebildet ist; und/oder
• dass das Kunststoffrohr-Betonbauelement Wandvertikalrohr zum Einbau in eine Gebäudewand, vorzugsweise Gebäudezwischenwand ausgebildet ist.

It is intended that

• that the concrete building element vertical shaft is designed for reaching through a building ceiling; and or
• that the concrete valve adapter is designed as a ceiling valve adapter, designed for installation in a building ceiling, and / or designed as a wall valve adapter, designed for installation in a building wall, preferably in a building partition wall; and or
• that the plastic pipe-concrete construction element pipe bend is designed at least with its vertically upward section for installation in a building wall, preferably a building partition wall, and is preferably designed with its lower horizontally directed section for installation in a building ceiling; and or
• that the plastic pipe-concrete construction element wall vertical pipe is designed for installation in a building wall, preferably a building partition wall.

The concrete construction elements according to a) and the plastic pipe-concrete construction elements according to b) each have a concrete block with a flow space with corresponding inlet and outlet openings. In contrast to the concrete construction elements according to a), the plastic pipe-concrete structural elements according to b) have a plastic pipe embedded in the concrete block, preferably embedded in concrete, in the passage. In the case of the concrete structural elements according to a), the concrete block is designed as a fiber-reinforced concrete block or a lightweight concrete block. In the case of the plastic pipe concrete construction elements according to b), the concrete block is designed as a fiber concrete block.

• Betonbauelement Anschlussblock, wobei das als Faserbetonblock ober Leichtbetonblock ausgebildete Betonbauelement einen Durchgangsraum mit mindestens einer ersten Öffnung als Ein- oder Ausgang und mindestens einer zweiten Öffnung als Aus- oder Eingang aufweist;
• Betonbauelement Deckenanschlussblock, wobei das als Faserbetonblock oder Leichtbetonblock ausgebildete Bauelement einen Durchgangsraum mit mindestens einer ersten Öffnung als Ein- oder Ausgang und mindestens einer zweiten Öffnung als Aus- oder Eingang aufweist;
• Betonbauelement Querverteiler, wobei das als Faserbetonblock oder Leichtbetonblock ausgebildete Betonbauelement einen Durchgangsraum mit mindestens einer ersten Öffnung als Ein- oder Ausgang und mehreren zweiten Öffnungen als Aus- oder Eingang aufweist.

In preferred embodiments, it is provided that the kit includes the following additional components, which are designed as concrete construction elements according to a):

• Concrete construction element connection block, the concrete construction element designed as a fiber concrete block above a lightweight concrete block having a passage space with at least one first opening as an entrance or exit and at least one second opening as an exit or entrance;
• Concrete component ceiling connection block, the component designed as a fiber concrete block or lightweight concrete block having a passage space with at least one first opening as an entrance or exit and at least one second opening as an exit or entrance;
• Concrete component transverse distributor, the concrete component designed as a fiber concrete block or lightweight concrete block having a passage space with at least one first opening as an entrance or exit and several second openings as an exit or entrance.

• dass das Betonbauelement Vertikalschacht und das Betonbauelement Anschlussblock als separate Betonbauelemente und damit als separate Komponenten des Baukastens ausgebildet sind, und/oder als gemeinsames, vorzugsweise einstückiges Betonbauelement und damit als gemeinsame Komponente des Baukastens ausgebildet sind,
• dass das Betonbauelement Vertikalschacht und das Betonbauelement Deckenanschlussblock als separate Betonbauelemente und damit als separate Komponenten des Baukastens ausgebildet sind, und/oder als gemeinsames, vorzugsweise einstückiges Betonbauelement und damit als gemeinsame Komponente des Baukastens ausgebildet sind,
• dass das Betonbauelement Anschlussblock und das Betonbauelement Querverteiler als separate Betonbauelemente und damit als separate Komponenten des Baukastens ausgebildet sind, und/oder als gemeinsames, vorzugsweise einstückiges Betonbauelement und damit als gemeinsame Komponente des Baukastens ausgebildet sind,
• dass wobei das Betonbauelement Deckenanschlussblock und das Betonbauelement Querverteiler als separate Betonbauelemente und damit als separate Komponenten des Baukastens ausgebildet sind, und/oder als gemeinsames, vorzugsweise einstückiges Betonbauelement und damit als gemeinsame Komponente des Baukastens ausgebildet sind.

In preferred versions it is provided

• that the concrete building element vertical shaft and the concrete building element connection block are designed as separate concrete building elements and thus as separate components of the kit, and / or are designed as a common, preferably one-piece concrete building element and thus as a common component of the kit,
• that the concrete building element vertical shaft and the concrete building element ceiling connection block are designed as separate concrete building elements and thus as separate components of the kit, and / or are designed as a common, preferably one-piece concrete building element and thus as a common component of the building kit,
• that the concrete construction element connection block and the concrete construction element transverse distributor are designed as separate concrete construction elements and thus as separate components of the construction kit, and / or as a common, are preferably one-piece concrete construction element and are thus designed as a common component of the kit,
• that the concrete component ceiling connection block and the concrete component transverse distributor are designed as separate concrete components and thus as separate components of the kit, and / or are designed as a common, preferably one-piece concrete component and thus as a common component of the kit.

In a preferred development, it can be provided that the concrete structural element cross distributor in and / or associated with one or more of the second openings has a throttle element which can be regulated electrically or manually or automatically, e.g. by means of a spring.

• dass das Betonbauelement Anschlussblock zum Einbau in eine Gebäudedecke ausgebildet ist; und/oder
• dass das Betonbauelement Deckenanschlussblock zum Einbau in eine Gebäudedecke ausgebildet ist; und/oder
• dass das Betonbauelement Querverteiler zum Einbau in eine Gebäudedecke ausgebildet ist.

The concrete components can preferably be specifically designed for their intended installation. It can be provided

• that the concrete connection block is designed for installation in a building ceiling; and or
• that the concrete structural element ceiling connection block is designed for installation in a building ceiling; and or
• that the concrete construction element cross distributor is designed for installation in a building ceiling.

Particularly preferred embodiments provide that the plastic pipe-concrete structural element wall vertical pipe, in particular for use in building walls, preferably building partitions with a wall thickness of 11.5 cm is designed.

• wobei das Kunststoffrohr-Betonbauelement ein erstes Anschlussende und ein zweites Anschlussende aufweist und das in dem Faserbetonblock einbetonierte Rohr ein in dem Faserbetonblock angeordnetes erstes Rohrende und ein aus dem Faserbetonblock herausstehendes zweites Rohrende aufweist, und
• wobei das erste Anschlussende des Kunststoffrohr-Betonbauelements als eine unmittelbar in dem Faserbetonblock ausgeformte Muffe ausgebildet ist,
• wobei das zweite Anschlussende des Kunststoffrohr-Betonbauelements durch das aus dem Faserbetonblock herausstehende freie Rohrende des einbetonierten Rohres gebildet ist, und
• wobei das innerhalb des Faserbetonblocks angeordnete Rohrende des einbetonierten Rohres so positioniert ist, dass dieses Rohrende innerhalb des Faserbetonblocks unmittelbar anschließend an die in dem Faserbetonblock ausgebildete Muffe einbetoniert angeordnet ist unter Ausbildung eines Durchgangs zur Muffe.

It can be provided that the plastic pipe-concrete component is designed as a fiber-reinforced concrete block with a linearly aligned plastic pipe embedded in concrete,

• wherein the plastic pipe-concrete structural element has a first connection end and a second connection end and the pipe concreted in the fiber-reinforced concrete block has a first pipe end arranged in the fiber-reinforced concrete block and a second pipe end protruding from the fiber-reinforced concrete block, and
• wherein the first connection end of the plastic pipe-concrete component is designed as a socket formed directly in the fiber-reinforced concrete block,
• wherein the second connection end of the plastic pipe-concrete component is formed by the free pipe end of the concreted-in pipe protruding from the fiber-reinforced concrete block, and
• wherein the pipe end of the concreted pipe arranged within the fiber concrete block is positioned so that this pipe end is arranged concreted within the fiber concrete block immediately adjacent to the socket formed in the fiber concrete block, forming a passage to the socket.

This plastic pipe-concrete construction element wall vertical pipe can be used in the building, in particular installed in a building wall, preferably a building partition wall for a ventilation network comprising a visible roof structure, in particular in connection with a wall valve in a wall valve adapter, which can also be mounted in the building wall, in particular the building partition wall.

The plastic pipe-concrete structural element wall vertical pipe can preferably be designed in such a way that the fiber-reinforced concrete block is designed as a glass fiber-reinforced concrete block. The fiber-reinforced concrete block can preferably have a flat anchor embedded in concrete, preferably made of steel.

It can preferably be provided that the plastic pipe-concrete structural element wall vertical pipe is produced by casting processes in a casting mold with the plastic pipe being concreted in.

Particularly preferred embodiments provide that the plastic tube embedded in concrete is designed as a corrugated tube with a corrugated outer wall and a smooth inner wall, preferably made of polyethylene material.

• wobei das Kunststoffrohr-Betonbauelement Rohrbogen ein erstes Anschlussende und ein zweites Anschlussende aufweist, welche einen rechten Winkel einschließen,
• wobei das gekrümmt in Form eines einen rechten Winkel einschließenden Rohrbogens einbetonierte Kunststoffrohr derart positioniert einbetoniert ist, dass das einbetonierte Kunststoffrohr ein aus dem Faserbetonblock herausragendes erstes freies Rohrende aufweist, das das erste Anschlussende des Kunststoffrohr-Betonbauelements bildet, und ein aus dem Faserbetonblock herausragendes zweites freies Rohrende aufweist, das das zweite Anschlussende des Kunststoffrohr-Betonbauelements bildet.

Particularly preferred embodiments provide that the plastic pipe-concrete construction element pipe bend is used for the connection of the plastic pipe-concrete construction element wall vertical pipe, in particular for a ventilation network in the area of a visible roof truss of the building. The plastic pipe-concrete construction element pipe bend is preferably used to establish a connection from the building ceiling to the wall elevation in the building wall, preferably in the plastic pipe-concrete construction element wall vertical pipe. The plastic pipe-concrete construction element pipe bend is specifically designed in such a way that
that the plastic pipe-concrete construction element is designed as a fiber-reinforced concrete block with a plastic pipe that is curved in the form of a pipe bend enclosing a right angle,

• wherein the plastic pipe-concrete construction element pipe bend has a first connection end and a second connection end which enclose a right angle,
• wherein the curved plastic pipe encased in concrete in the form of a pipe bend enclosing a right angle is encased in such a way that the encased plastic pipe has a first free pipe end protruding from the fiber concrete block, which forms the first connection end of the plastic pipe concrete component, and a second free pipe end protruding from the fiber concrete block Having pipe end which forms the second connection end of the plastic pipe concrete component.

In preferred embodiments of the plastic pipe-concrete construction element pipe bend, provision is made for the fiber-reinforced concrete block to be designed as a glass-fiber-reinforced concrete block.

In a preferred development, it can be provided that the plastic pipe-concrete construction element pipe bend is produced by casting processes in a casting mold with the plastic pipe being concreted in.

Particularly preferred embodiments provide that the plastic tube embedded in concrete is designed as a corrugated tube with a corrugated outer wall and a smooth inner wall, preferably made of polyethylene material.

The concrete component wall valve adapter can be used in particular for ventilation networks in buildings with exposed roof trusses, in particular for installation in a building wall, preferably a building partition wall, in particular a building partition wall with a wall thickness of 11.5 cm. The concrete component wall valve adapter is designed in such a way that the concrete component has a fiber-reinforced concrete block with a passage space with at least one first opening as an entrance or exit and at least has a second opening as an exit or entrance, wherein the first opening or one of the first openings and / or the second opening or one of the second openings for receiving a valve is preferably nozzle-shaped and the fiber-reinforced concrete block for installation in a building wall, preferably a building partition is trained. Preferred embodiments of the concrete component wall valve adapter provide that the concrete block of the plastic pipe-concrete component wall vertical pipe and / or the concrete block of the plastic pipe-concrete component pipe bend and / or the concrete block of the wall valve adapter has a depth that corresponds to the wall thickness of the building wall, preferably the building partition wall, preferably 9 to 11cm, especially 11.5cm.

Embodiments are advantageous that provide that the cast-in plastic pipe of the plastic pipe-concrete construction element pipe bend and / or the plastic pipe-concrete construction element wall vertical pipe is designed as a corrugated pipe with a corrugated outer wall and smooth inner wall, preferably made of polyethylene material.

The subject of the main claim 11 represents a visible roof structure. It is specifically a visible roof structure for a building with a building wall, preferably a building partition, with a ventilation network, which is designed as components of the kit according to one of claims 1 to 10. In the object it is provided that in the exposed roof truss and / or in the area of the exposed roof truss in the building wall, preferably the building partition wall, a plastic pipe-concrete construction element is mounted as a wall vertical pipe and in the Building wall a concrete component wall valve adapter connected to the plastic pipe-concrete component wall vertical pipe is mounted.

Preferred embodiments provide that a plastic pipe-concrete construction element pipe bend for connection from a building ceiling to the wall riser is mounted in the building wall in such a way that the vertically upward leg of the concrete block of the plastic pipe-concrete construction element pipe bend is mounted in the building wall and the horizontal leg of the Concrete blocks of the plastic pipe concrete construction element pipe bend is mounted in the building ceiling.

• dass die Herstellung des Betonbauelements und/oder des Kunststoffrohr-Betonbauelements durch Gießverfahren unter Einsatz einer Gießform erfolgt, indem vorgesehen ist,
  1. a) dass in einem ersten Schritt eine Betonmasse in die Gießform eingefüllt wird, wobei im Falle der Herstellung des Kunststoffrohr-Betonbauelements bei dem ein Kunststoffrohr in dem Betonbauelement einbetoniert ist, das einzubetonierende Kunststoffrohr in die Gießform eingelegt wird, bevor die Betonmasse in die Gießform eingefüllt wird,
     • wobei die Betonmasse als eine mit Fasern, vorzugsweise Glasfasern versetzte Feinbetonmasse ausgebildet ist, zu deren Herstellung eine Mischung eingesetzt wird mit Zementgehalt der Mischung im Bereich von 900 bis 1.500 kg/m³, vorzugsweise 1.200 kg/m³,
     • wobei der Zement einen Hüttensandanteil von im Bereich 36% bis 80%, vorzugsweise im Bereich 45% bis 60% aufweist und das Größtkorn der Mischung maximal 2mm, vorzugsweise maximal 0,5mm aufweist,
     • wobei hochdosierter Einsatz von Fließmitteln bei einer Fließmitteldosierung im Bereich 0,8% bis 1,8% des Zementgewichts eingesetzt wird,
     • wobei der w-/z-Wert, der durch die zugesetzte Wassermenge bestimmt wird, im Bereich 0,22 bis 0,32, vorzugsweise bei 0,24 liegt,
  2. b) dass die Gießform während des Aushärtens der faserverstärkten Feinbetonmasse ruhig gelagert wird,
  3. c) dass die Gießform nach dem Aushärten der faserverstärkten Feinbetonmasse entfernt wird.

The method according to main claim 13 is a method for producing a concrete construction element and / or a plastic pipe-concrete construction element for producing a ventilation network for a building, in particular as a component of the aforementioned kit. This procedure provides for

• that the production of the concrete construction element and / or the plastic pipe-concrete construction element is carried out by casting processes using a casting mold in which it is provided
  1. a) that in a first step a concrete mass is poured into the casting mold, whereby in the case of the production of the plastic pipe-concrete component in which a plastic pipe is concreted in the concrete component, the plastic pipe to be concreted is placed in the casting mold before the concrete mass is poured into the casting mold becomes,
     • wherein the concrete mass is designed as a fine concrete mass mixed with fibers, preferably glass fibers, for the production of which a mixture is used with a cement content of the mixture in the range from 900 to 1,500 kg / m ³ , preferably 1,200 kg / m ³ ,
     • wherein the cement has a slag sand content of in the range 36% to 80%, preferably in the range 45% to 60% and the largest grain of the mixture has a maximum of 2mm, preferably a maximum of 0.5mm,
     • whereby high-dose use of superplasticizers is used with a superplasticizer dosage in the range of 0.8% to 1.8% of the cement weight,
     • the w / c value, which is determined by the amount of water added, is in the range 0.22 to 0.32, preferably 0.24,
  2. b) that the casting mold is stored quietly during the hardening of the fiber-reinforced fine concrete mass,
  3. c) that the casting mold is removed after the hardening of the fiber-reinforced fine concrete mass.

In a preferred development of the method it can be provided that the fibers used, preferably designed as glass fibers, amount to in the range of over 2.5% of the volume of the total mixture, preferably in the range of 3% to 3.5% of the total mixture. In a preferred embodiment it can be provided that the fibers used have a fiber length in the range 4 to 8 mm, preferably 6 mm.

• CEM III/A 32,5 N-NW 60kg
• Silica Suspension 13kg
• Quarzsand 0,1 bis 0,5 27kg
• Fließmittel 0,82kg
• Wasser 8kg
• Glasfaser 4kg
• Farbe 1kg
• Gesamtmasse 112,82kg.

Particularly preferred versions of the method provide that the fiber-reinforced fine concrete mass is produced according to the following recipe:

• CEM III / A 32.5 N-NW 60kg
• Silica suspension 13kg
• Quartz sand 0.1 to 0.5 27kg
• Superplasticizer 0.82kg
• Water 8kg
• Fiberglass 4kg
• Color 1kg
• Total mass 112.82kg.

Further features and advantages of the invention are described below with reference to figures.

Fig. 1.1 und 1.2

ein erstes Ausführungsbeispiel des Lüftungsnetzwerks eingebaut in einem Einfamilienhaus;
  Figur 1.1 Schnittansicht mit vertikaler Schnittebene, Ansicht quer zum First des Dachstuhls das Dachgeschoss mit Sichtdachstuhl und Decke und Wänden der darunter liegenden Etagen zeigend;
  Figur 1.2 Schnittansicht wie Figur 1.1, jedoch um 90° gedrehte vertikale Schnittebene, Ansicht längs des Firstes;

Fig. 2.1 bis 2.6

Einzeldarstellungen der Komponenten des Lüftungsnetzwerks in Figur 1.1 und 1.2;
  Figur 2.1 Kunststoffrohr-Betonbauelement Wandvertikalrohr;
  Figur 2.2 Kunststoffrohr-Betonbauelement Rohrbogen;
  Figur 2.3 Betonbauelement Wandventiladapter;
  Figur 2.4 Betonbauelement Vertikalschacht;
  Figur 2.5 Betonbauelement Anschlussblock;
  Figur 2.6 Betonbauelement Querverteiler;

Fig. 3

Detaildarstellung aus Figur 1.1, den Deckenaufbau mit eingebautem Deckenventiladapter und angeschlossenem Flexrohr der Querverteilung zeigend, wobei das Betonbauelement Deckenventiladapter auf der Baustelle in die Filigrandecke montiert ist, Schnittansicht wie in Figur 1.1;

Fig. 4

Eine Schnittansicht wie in Figur 3, jedoch eine Ausführung, bei der das Betonbauelement Deckenventiladapter werkseitig bei der Herstellung des Fertigbauteils Filigrandecke in der Filigrandecke fest verankert und fertig positioniert montiert ist.

The figures show:

Fig. 1.1 and 1.2

a first embodiment of the ventilation network installed in a single family house;
FIG. 1.1 sectional view with a vertical sectional plane, view transversely to the ridge of the roof truss showing the attic with exposed roof truss and ceiling and walls of the floors below;
Figure 1.2 sectional view as Figure 1.1 , but vertical section plane rotated by 90 °, view along the ridge;

Fig. 2.1 to 2.6

Individual representations of the components of the ventilation network in Figure 1.1 and 1.2 ;
Figure 2.1 Plastic pipe-concrete construction element wall vertical pipe;
Figure 2.2 plastic pipe-concrete construction element pipe bend;
Figure 2.3 Concrete component wall valve adapter;
Figure 2.4 concrete construction element vertical shaft;
Figure 2.5 Concrete component connection block;
Figure 2.6 Concrete construction element cross distributor;

Fig. 3

Detail display off Figure 1.1 , the ceiling structure with built-in ceiling valve adapter and connected Flex pipe showing the transverse distribution, with the concrete component ceiling valve adapter mounted in the filigree ceiling on the construction site, sectional view as in Figure 1.1 ;

Fig. 4

A sectional view as in Figure 3 , but a design in which the concrete component ceiling valve adapter is firmly anchored in the filigree ceiling and fully positioned at the factory during the production of the prefabricated filigree ceiling.

• Betonbauelement Vertikalschacht 1
• Betonbauelement Anschlussblock 2
• Betonbauelement Deckenanschlussblock 2d
• Betonbauelement Querverteiler 3
• Betonbauelement Deckenventiladapter 4
• Kunststoffrohr-Betonbauelement Rohrbogen 5
• Kunststoffrohr-Betonbauelement Wandvertikalrohr 6
• Betonbauelement Wandventiladapter 7

The exemplary embodiment of the ventilation network shown in the figures, installed in a single-family house, consists of the following components:

• Concrete construction element vertical shaft 1
• Concrete component connection block 2
• Concrete component ceiling connection block 2d
• Concrete construction element cross distributor 3
• Concrete component ceiling valve adapter 4
• Plastic pipe-concrete construction element pipe bend 5
• Plastic pipe-concrete construction element Wall vertical pipe 6
• Concrete component wall valve adapter 7

The concrete construction elements 1 and 2 are each designed as a lightweight concrete block produced in a press mold using a vibratory press process. The wall of the interior of the lightweight concrete block has a coating of emulsion paint, preferably acrylic emulsion paint.

The concrete construction element vertical shaft 1 has a continuous vertical shaft in its lightweight concrete block 1b. The vertical shaft concrete construction element can be designed as a single-section shaft or as a multi-section shaft. In the case of the multi-section shaft, a vertical installation shaft is preferably formed between the two parallel vertical shafts. The vertical shaft components can be storey-high or can be constructed in a mounting design with a front design with a stone height of 33 cm. The cross-section of the single-compartment version is 17.5 cm x 37.5 cm. The cross-section of the two-part version is 17.5 cm x 75 cm. The cross-section of the shaft is 11.5cm x 22.5cm. The cross-section of the installation shaft provided for the two-compartment version is 11.5cm x 9.5cm. The height of the concrete building element vertical shaft is 33cm. In the case of a storey-high version, the height can be up to 350cm. Due to its depth of 17.5 cm, the concrete construction element vertical shaft can be installed in 17.5 cm thick walls.

The concrete construction element connection block 2 has in its lightweight concrete block a passage with a connection opening for a horizontal branching off from the vertical channel. The concrete component connection block can be placed on a concrete component vertical shaft 1 for penetration through a ceiling to continue the shaft or for installation in a ceiling without penetration. The cross-sectional dimensions of the concrete component connection block 2 are the same as the cross-sectional dimensions of the concrete component vertical shaft 1.

The concrete construction elements 2d, 3, 4 and 7 are each designed as a glass fiber concrete block in the casting process in a casting mold. The wall of the interior of the glass fiber reinforced concrete block has a coating of emulsion paint, preferably acrylic emulsion paint.

The concrete construction element ceiling connection block 2d is intended for installation in a concrete ceiling for a ceiling of at least 22cm. The concrete component ceiling connection block has in its glass fiber concrete block 2db a passage with a connection opening for a horizontal branching off from the vertical channel.

The concrete construction element cross distributor 3 is intended for installation in a concrete ceiling for a ceiling of at least 22 cm. The connection to the vertical shaft, which is made up of the concrete component vertical shaft 1, is connected via the concrete component connection block 2. The fiber-reinforced concrete block 3b of the concrete structural element transverse distributor 3 has six connection openings for flexible pipes 10 which have been cut to length and which are connected to ceiling valve adapters 4.

The concrete component ceiling valve adapter 4 is designed for installation in the concrete ceiling. In its fiberglass-reinforced concrete block 4b, it has two connection openings for receiving the flexible pipes of the transverse distribution and in each case a vertically aligned connecting piece extending through the ceiling for receiving a valve.

The concrete component wall valve adapter 7 is designed for installation in a building wall, preferably an intermediate building wall 22 with a wall thickness of 11.5 cm. The concrete construction element 7 has a Glass fiber concrete block 7b with a passage space with two first connection openings 7an for receiving the flexible pipes of the supply air or exhaust air supply line and a second opening 7v for receiving a valve. The opening 7v is preferably designed in the shape of a nozzle. In the case of wall mounting, the supply air and exhaust air supply line to the connection openings 7an preferably takes place through vertical supply / discharge lines, e.g. B. via plastic pipe-concrete construction elements wall vertical pipe 6. The fiber-reinforced concrete block 7b is designed for installation in a building wall, preferably a building partition wall 22. For this purpose, the fiber-reinforced concrete block 7b has a depth which corresponds to the wall thickness of the building wall, preferably the building partition wall 22, preferably 9 to 11 cm, in particular 11.5 cm.

The plastic pipe-concrete construction elements pipe bend 5 and wall vertical pipe 6 are each designed as a fiber-reinforced concrete block 5b and 6b with pipe 5r and 6r embedded in concrete.

The plastic pipe-concrete construction element wall vertical pipe 6 has a concrete block 6b made of fiber concrete with a cross section of 10 cm × 10 cm. In the concrete block 6b, a vertically aligned plastic pipe 6r is concreted in its longitudinal center axis. A socket is formed in the concrete block on one side of the concrete block. The cast-in plastic pipe 6r does not extend into the socket, but is arranged in such a way that the pipe end of the plastic pipe 6r arranged in the concrete block connects directly to the end of the socket, so that an axial passage is formed through the concrete block 6b, which consists of the socket and the subsequent cast-in plastic pipe is formed. The plastic pipe 6r extends axially through the concrete block 6b and protrudes the end of the concrete block 6b opposite the socket over the concrete block. The plastic pipe-concrete structural element 6 forms the configuration of a socket pipe, the socket being formed directly in the concrete block and the pointed end being formed by the free end of the plastic pipe 6r set in concrete. Due to the dimensions of the concrete block 6b with a cross section of 10 cm x 10 cm, the plastic pipe-concrete construction element 6 can be built into building walls, preferably brick walls with a wall thickness of 11.5 cm. A flat anchor 6f is concreted into the concrete block 6b as a wall connector on opposite long sides of the concrete block. It is a flat anchor with a length of 30 cm, which protrudes 20 cm from the concrete block 6b. The flat anchor 6f is provided for anchoring the plastic pipe-concrete construction element 6 in the area of a horizontal joint between the superposed masonry stones.

The plastic pipe-concrete component 5 is a pipe bend. It has a concrete block 5b in the form of a corner angle. The two legs enclose an apex angle of 90 °. The horizontal leg is intended for installation in the concrete ceiling. The vertical leg is intended for installation in a building wall, preferably a building partition wall. The depth of the concrete block is 10 cm, so that the concrete block can be installed in the same way as the concrete block of the wall vertical pipe 6 in a building wall, preferably in a brick building wall with a wall thickness of 11.5 cm. A bent plastic pipe 5r enclosing a right angle is concreted in the concrete block 5b. The concreted pipe 5r projects with its horizontal pipe end over the end face of the horizontal leg of the concrete block 5b and stands also with its vertical pipe end over the front end of the vertical leg of the concrete block 5b.

As far as the exact dimensions of the specific exemplary embodiments of the concrete components 1, 2, 3, 4 and 7 and the plastic pipe-concrete components 5 and 6 are concerned, refer to the dimensioned drawings of Figures 2.1 to 2.7 referenced.

Out Figure 1.1 it can be seen that in the exemplary embodiment of the ventilation network installed in the building, a supply air line and an exhaust air line are formed. The supply air line extends as a line shown on the left from the ventilation device (not shown) from bottom to top to the ceiling valve adapter 4 mounted on the left in the building ceiling 20 and to the wall valve adapter 7 mounted on the left in the exposed roof truss 24 in the building partition wall 22. The exhaust air line extends as a separate line in Figure 1.1 . as the strand shown on the right, from a wall valve adapter 7 mounted on the right in the building partition wall 22 in the exposed roof structure 24 and the ceiling valve adapter 4 mounted on the right in the building ceiling 20 down to the ventilation device, not shown. Both strands are made from the same components. The left vertical shaft of the supply air line and the right vertical shaft of the exhaust air line are formed from concrete construction elements 1 arranged one above the other. At the upper end of the vertical shaft, a connection block 2 and a transverse distributor 3 connected to it are arranged in each case mounted in the building ceiling 20. As a transverse distribution, flexible tubes 9 that are cut to length are connected to the connection openings of the transverse distributors 3 and are connected to the ceiling valve adapter 4 mounted in the ceiling. One each The flexible pipe is connected to a connection opening of the transverse distributor 3 and its other end is connected to the horizontal connection of the plastic pipe-concrete component pipe bend 5. The concrete block 5b of the pipe bend 5 is mounted with its horizontal leg in the building ceiling 20. The leg of the concrete block 5b standing vertically upwards is mounted in the building partition wall 22. The vertical connection of the pipe bend 5 is connected to the wall valve adapter 7 via wall vertical pipes designed as plastic pipe / concrete components 6. The vertical wall pipe 6 connected to the vertical connection of the pipe bend 5 rests with its lower end of the concrete block 6b on the upper end face of the concrete block 5b of the pipe bend 5, the free pipe end of the pipe bend 5 engaging the socket of the concrete block of the wall vertical pipe 6. Correspondingly, on the upper end of the concrete block 6b of the wall vertical pipe 6, the concrete block 6b of a wall vertical pipe 6 connected at the top rests on with a corresponding socket connection of the free pipe end in the socket of the concrete block 6b. On the upper end of the concrete block 6b of the uppermost wall vertical pipe 6, the concrete block 7b of the wall valve adapter 7 rests with the free pipe end of the wall vertical pipe 6 engaging in the connection opening of the wall valve adapter 7. It is particularly advantageous that the wall vertical pipes 6 and the wall valve adapter 7 designed as plastic pipe concrete components Wall valve adapter 7 are each mounted inside the building partition wall 22. The building partition wall is designed as a brick partition wall with a wall thickness of 11.5 cm. This allows the construction elements with their concrete blocks 6b, 7b to be mounted completely inside the wall and thus concealed. It can be installed in a vertical joint or gap in the masonry or in a slot made for this purpose in the masonry can be done in a simple manner.

The components mounted in the building ceiling 20: the transverse distributor 3, the connection block 2 and the pipe bend 5 are each mounted in concrete in the in-situ concrete of the filigree ceiling. They are arranged with their underside on the filigree concrete ceiling 20f and / or on or within the lower reinforcement 20fu or upper reinforcement 20fo of the filigree ceiling in the cast-in-place concrete 20b of the ceiling. The insulation 20d is arranged over the in-situ concrete 20b of the filigree ceiling 20 and the screed 20e with covering is arranged on top. The concrete block 2b of the connection block 2 and the concrete block 3b of the cross connector 3 are each arranged completely in the in-situ concrete layer 20b. The concrete block 5b of the pipe bend 5 is preferably arranged with its lower leg completely in the in-situ concrete of the ceiling. Only the upper section of the vertical leg of the concrete block 5b of the pipe bend 5 protrudes upwards over the in-situ concrete layer 20b and engages through the insulation layer 20d, so that the pipe end engages in the socket of the wall valve pipe 6 adjoining it. The front end of the socket formed in the concrete block 6b of the wall valve pipe 6 rests on the front end of the vertical leg of the concrete block 5b of the pipe bend 5.

Figure 3 shows a filigree ceiling with a ceiling valve adapter 4 mounted on the construction site and a flexible pipe 9 connected to it. The filigree ceiling 20 comprises a filigree concrete ceiling 20f with concrete reinforcement 20fu. On the upper side of the filigree concrete ceiling 20f, an upper reinforcement 20fo is arranged, which is anchored in the filigree concrete ceiling 20f. Above the filigree concrete ceiling 20f is the In-situ concrete layer 20b with the concreted-in upper reinforcement 20fo arranged. An insulation layer 20d is arranged over the in-situ concrete layer 20b and a screed layer 20e with a floor covering is arranged over it. At the in Figure 3 Filigree ceiling shown, the ceiling valve adapter 4 is mounted on the construction site. The filigree ceiling 20 is produced on the construction site from a conventional prefabricated filigree ceiling. The prefabricated component consists of the filigree concrete ceiling 20f with the lower reinforcement 20fu embedded in it and the upper reinforcement 20fo anchored on the filigree concrete ceiling. A receiving opening for receiving the valve connector of the ceiling valve adapter 4 is formed in the factory in the prefabricated component. The ceiling valve adapter 4 is supported in the area of the receiving hole on the upper side of the filigree concrete ceiling 20f with its concrete block 4b. The receiving hole is filled with mortar to fix the valve connector of the ceiling valve adapter 4 during construction site assembly. After the flexible pipe 9 has been connected in the connection opening of the ceiling valve adapter 4, the in-situ concrete layer 20b with upper reinforcement is applied on the construction site. Then the insulating layer 20d and finally the screed layer 20e with the floor covering are applied to the top of the in-situ concrete layer 20b.

In Figure 4 A filigree ceiling is shown in which the concrete component ceiling valve adapter 4 is already factory-made during the production of the prefabricated filigree ceiling element, which consists of filigree concrete ceiling 20f with under reinforcement 20fu embedded in it and upper reinforcement 20fo anchored thereon, firmly anchored and completely positioned with the valve connector 7 of the wall valve adapter the filigree concrete ceiling 20f is mounted reaching through the underside. In this case, there is no need to mount the ceiling valve adapter 4 on the Construction site. On the construction site, only the flexible pipe 9 has to be connected to the connection end of the ceiling valve adapter 4 and the other components that are to be arranged on the filigree ceiling work have to be installed. All that then takes place on the construction site is the application of the in-situ concrete layer 20b with upper reinforcement and then the application of the insulation layer 20d and the screed layer 20e with floor covering.

The plastic pipe-concrete construction elements mentioned, which have a plastic pipe embedded in concrete, and the concrete structural elements which have no plastic pipe embedded in concrete, are preferably produced by a method according to one of claims 13 to 16, ie in the casting process in a casting mold using a fiber-reinforced concrete compound, preferably glass fiber-reinforced concrete compound. This production as fiber-reinforced concrete construction elements is particularly advantageous for components with a detailed shape, in particular also for the interior.

List of reference symbols

1

Concrete construction element vertical shaft

1v

Vertical shaft recess

1b

Concrete block

2

Concrete component connection block

2 B

Concrete block

2v

Vertical shaft recess

2an

Connection opening

2d

Concrete component ceiling connection block

2db

Fiber-reinforced concrete block

3

Concrete construction element cross distributor

3an

Connection opening

3b

Fiber-reinforced concrete block

4th

Concrete component ceiling valve adapter

4b

Fiber-reinforced concrete block

5

Plastic pipe-concrete construction element pipe bend

5b

Fiber-reinforced concrete block

5r

Plastic pipe set in concrete

6th

Plastic pipe-concrete construction element Wall vertical pipe

6b

Fiber-reinforced concrete block

6r

Plastic pipe set in concrete

6f

Flat anchor

7th

Concrete component wall valve adapter

7an

1st opening; Connection opening

7v

2. opening; Valve socket

7b

Fiber-reinforced concrete block

7s

Socket for receiving the valve

9

Flexible pipe

18th

Building exterior wall

20th

Building ceiling

20f

Filigree concrete ceiling

20fu

Under-reinforcement

20fo

Upper reinforcement

20b

In-situ concrete layer

20d

Insulation layer

20m

Mortar filling

20e

Screed layer

22nd

Building partition

24

Exposed roof truss

Claims (16)

1. Construction kit for creating a ventilation network for a building, preferably a single-family or multi-family residence,
   comprising the following components:

   a) concrete structural elements (1, 2, 3, 4, 7)

   b) plastic pipe-concrete structural elements (5, 6)

   c) flexible pipe (9) which can be cut to length

   d) coupling elements

   - wherein the concrete structural elements according to a) are each formed only as a fibre concrete block (1b, 2b, 3b, 4b, 7b), in particular a glass fibre concrete block, preferably produced by casting methods in a casting mould, or are each formed only as a lightweight concrete block (1b, 2b, 3b, 4b, 7b), preferably produced by vibration pressing processes in a pressing mould;

   - wherein the plastic pipe-concrete structural elements according to b) are each formed as a fibre concrete block (5b, 6b), in particular a glass fibre concrete block, with a concreted-in plastic pipe (5r, 6r), preferably produced by a casting process in a casting mould;

   - wherein the flexible pipe (9) which can be cut to length according to c) is formed as a flexible corrugated plastic pipe with a corrugated outer wall and a smooth inner wall, preferably made of polyethylene material;

   - wherein the coupling elements according to d) are formed as coupling pipe sockets and/or pipe coupling elements,

   wherein it is provided
   that the construction kit comprises the following components, which are formed as concrete structural elements according to a):

   - a concrete structural element vertical shaft (1), wherein the concrete structural element, which is formed as a fibre concrete block (1b) or lightweight concrete block (1b), has at least one shaft, which is formed in the fibre concrete block or lightweight concrete block (1b) in a vertically oriented manner and in each case has at least one first opening as an inlet or outlet and at least one second opening as an inlet or outlet;

   - a concrete structural element valve adapter (4, 7), wherein the concrete structural element, which is formed as a fibre concrete block (4b, 7b) or lightweight concrete block (4b, 7b), has a passage space with at least one first opening as an inlet or outlet and at least one second opening as an outlet or inlet, wherein the first opening and/or the second opening is designed to receive a valve, preferably in the form of a nozzle;

   - wherein the concrete structural element valve adapter (4, 7) is or are formed as a concrete structural element ceiling valve adapter (4) and/or as a concrete structural element wall valve adapter (7),

   wherein it is provided
   that the construction kit comprises the following components, which are formed as plastic pipe-concrete structural elements (5, 6) according to b):

   - a plastic pipe-concrete structural element pipe bend (5), wherein the plastic pipe-concrete structural element (5), which is formed as a fibre concrete block (5b) with concreted-in plastic pipe (5r), is formed in such a way that the plastic pipe (5r) is concreted into the fibre concrete block in a curved manner in the form of a pipe bend (5r) enclosing a right angle, with a first opening as an inlet or outlet and a second opening as an outlet or inlet,

   - a plastic pipe-concrete structural element wall vertical pipe (6), wherein the plastic pipe-concrete structural element (6), which is formed as a fibre concrete block (6b) with concreted-in plastic pipe (6r), is formed in such a way that the fibre concrete block (6b) is formed with the plastic pipe (6r) concreted in so as to be oriented linearly vertically, and the plastic pipe-concrete structural element has a first opening as an inlet or outlet at one end of its vertical extent and a second opening as an outlet or inlet at the opposite other end of its vertical extent,

   wherein it is provided

   - that the concrete structural element vertical shaft (1) is designed to pass through a building ceiling (20); and/or

   - that the concrete structural element valve adapter (4, 7) is formed as a ceiling valve adapter (4) for installation in a building ceiling (20) and/or is formed as a wall valve adapter (7) for installation in a building wall, preferably in a building partition wall (22); and/or

   - that the plastic pipe-concrete structural element pipe bend (5) is designed at least with its vertically upwardly directed portion for installation in a building wall (18, 22), preferably a building partition wall (22), and is designed, preferably with its lower horizontally directed portion, for installation in a building ceiling (20); and/or

   - that the plastic pipe-concrete structural element wall vertical pipe (6) is designed for installation in a building wall (18, 22), preferably a building partition wall (22).
2. Construction kit according to claim 1
   characterised in that
   the construction kit comprises the following further components, which are formed as concrete structural elements according to a):

   - a concrete structural element connection block (2), wherein the concrete structural element formed as a fibre concrete block (2b) or lightweight concrete block (2b) has a passage space with at least one first opening as an inlet or outlet and at least one second opening as an outlet or inlet;

   - a concrete structural element ceiling connection block (2d), wherein the structural element formed as a fibre concrete block (2db) or lightweight concrete block (2db) has a passage space with at least one first opening as an inlet or outlet and at least one second opening as an outlet or inlet;

   - a concrete structural element transverse distributor (3), wherein the concrete structural element formed as a fibre concrete block (3b) or lightweight concrete block (3b) has a passage space with at least one first opening as inlet or outlet and a plurality of second openings as outlet or inlet.
3. Construction kit according to claim 2,
   characterised in that

   - the concrete structural element vertical shaft (1) and the concrete structural element connection block (2) are formed as separate concrete structural elements and thus as separate components of the construction kit, and/or are formed as a common, preferably one-piece concrete structural element and thus as a common component of the construction kit,

   - the concrete structural element vertical shaft (1) and the concrete structural element ceiling connection block (2) are formed as separate concrete structural elements and thus as separate components of the construction kit, and/or are formed as a common, preferably one-piece concrete structural element and thus as a common component of the construction kit,

   - the concrete structural element connection block (2) and the concrete structural element transverse distributor (3) are formed as separate concrete structural elements and thus as separate components of the construction kit, and/or are formed as a common, preferably one-piece concrete structural element and thus as a common component of the construction kit,

   - wherein the concrete structural element ceiling connection block (2) and the concrete structural element transverse distributor (3) are formed as separate concrete structural elements and thus as separate components of the construction kit, and/or are formed as a common, preferably one-piece concrete structural element and thus as a common component of the construction kit.
4. Construction kit according to claim 3,
   characterised in that
   the concrete structural element transverse distributor (3) has, in and/or associated with one or more of the second openings, a throttle member which can be controlled electrically or manually or automatically, for example by means of a spring.
5. Construction kit according to one of claims 1 to 4,
   characterised in that

   - the concrete structural element connection block (2) is designed for installation in a building ceiling (20); and/or

   - the concrete structural element ceiling connection block (2d) is designed for installation in a building ceiling (20); and/or

   - the concrete structural element transverse distributor (3) is designed for installation in a building ceiling (20).
6. Construction kit according to one of the preceding claims,
   characterised in that
   the plastic pipe-concrete structural element wall vertical pipe (6) is formed as a fibre concrete block (6b) with the plastic pipe (6r) concreted in so as to be linearly oriented,

   - wherein the plastic pipe-concrete structural element (6) has a first connection end and a second connection end, and the pipe (6r) concreted into the fibre concrete block (6b) has a first pipe end disposed in the fibre concrete block (6b) and a second pipe end protruding from the fibre concrete block (6b), and

   - wherein the first connection end of the plastic pipe-concrete structural element (6) is formed as a sleeve shaped directly in the fibre concrete block (6b),

   - wherein the second connection end of the plastic pipe-concrete element (6) is formed by the free pipe end of the concreted-in pipe (6r) protruding from the fibre concrete block (6b), and

   - wherein the pipe end of the concreted-in pipe (6r) disposed within the fibre concrete block (6b) is positioned such that said pipe end is concreted in within the fibre concrete block (6b) immediately adjacently the sleeve formed in the fibre concrete block (6b), forming a passage to the sleeve.
7. Construction kit according to one of the preceding claims,
   characterised in that
   the plastic pipe-concrete structural element pipe bend (5) is formed as a fibre concrete block (5b) with a plastic pipe (5r) concreted into said block in a curved manner in the form of a pipe bend enclosing a right angle,

   - wherein the plastic pipe-concrete structural element (5) has a first connection end and a second connection end which enclose a right angle,

   - wherein the concreted-in plastic pipe (5r) provided in a curved manner in the form of a pipe bend enclosing a right angle is concreted in so as to be positioned in such a way that the concreted-in plastic pipe (5r) has a first free pipe end projecting from the fibre concrete block (5b) and forming the first connection end of the plastic pipe-concrete component (5) and a second free pipe end projecting from the fibre concrete block (5b) and forming the second connection end of the plastic pipe-concrete component (5).
8. Construction kit according to one of the preceding claims,
   characterised in that
   the concrete structural element wall valve adapter (7) has a fibre concrete block (7b) with a passage space with at least one first opening as inlet or outlet and at least one second opening as outlet or inlet, wherein the first opening or one of the first openings and/or the second opening or one of the second openings is designed to receive a valve, preferably in the form of a nozzle, and the fibre concrete block (7b) is designed for installation in a building wall, preferably a building partition wall (22).
9. Construction kit according to one of the preceding claims,
   characterised in that
   the concrete block (6b) of the plastic pipe-concrete structural element wall vertical pipe (6) and/or the concrete block (5b) of the plastic pipe-concrete structural element pipe bend (5) and/or the concrete block (7b) of the wall valve adapter (7) has a depth which corresponds to the wall thickness of the building wall, preferably of the intermediate building wall (22), preferably 9 to 11 cm, in particular 11.5 cm.
10. Construction kit according to one of the preceding claims,
    characterised in that
    the concreted-in plastic pipe (5r, 6r) of the plastic pipe-concrete structural element pipe bend (5) and/or of the plastic pipe-concrete structural element wall vertical pipe (6) is formed as a corrugated pipe with a corrugated outer wall and a smooth inner wall, preferably formed from polyethylene material.
11. Exposed roof structure for a building with a building wall, preferably a building partition wall (22), with a ventilation network formed from components of the construction kit according to one of the preceding claims,
    characterised in that
    in the exposed roof structure in the building wall, preferably the building partition wall (22), a plastic pipe-concrete structural element wall vertical pipe (6) is mounted as wall elevation and in the building wall, preferably in the building partition wall (22), a concrete structural element wall valve adapter (7) is mounted connected to the plastic pipe-concrete structural element wall vertical pipe (6).
12. Exposed roof structure according to claim 11,
    characterised in that
    a plastic pipe-concrete structural element pipe bend (5) for connection from a building ceiling to the wall elevation is mounted in the building wall in such a way that the vertically upwardly projecting leg of the concrete block (5b) of the plastic pipe-concrete structural element pipe bend (5) is mounted in the building wall and the horizontal leg of the concrete block (5b) of the plastic pipe-concrete structural element pipe bend (5) is mounted in the building ceiling.
13. Method for producing a concrete structural element (1, 2, 3, 4, 7) and/or a plastic pipe-concrete structural element (5, 6) as a component for producing a ventilation network for a building, in particular as a component of the construction kit according to one of claims 1 to 11,
    wherein

    - the production of the concrete structural element (1, 2, 3, 4, 7) and/or the plastic pipe-concrete structural element (5, 6) is carried out by a casting process using a casting mould,

    in which method it is provided

    a) that, in a first step, a concrete mass is filled into the casting mould, wherein, in the case of the production of the plastic pipe-concrete structural element (5, 6), in which a plastic pipe (5r, 6r) is concreted into the concrete structural element (5, 6), the plastic pipe (5r, 6r) to be concreted in is inserted into the casting mould before the concrete mass is filled into the casting mould,

    - wherein the concrete mass is formed as a fine concrete mass mixed with fibres, preferably glass fibres, for the production of which a mixture is used with a cement content of the mixture in the range from 900 to 1,500 kg/m³, preferably 1,200 kg/m³,

    - wherein the cement has a blastfurnace slag content of between 36% and 80%, preferably between 45% and 60%, and the maximum grain size of the mixture is at most 2 mm, preferably at most 0.5 mm,

    - wherein high-dose superplasticisers are used at a superplasticiser dosage in the range of 0.8% to 1.8% of the cement weight,

    - wherein the w-/z-value, which is determined by the amount of water added, is in the range 0.22 to 0.32, preferably is 0.24,

    b) that the casting mould is stored in a stable manner during the hardening of the fibre-reinforced fine concrete mass,

    c) that the casting mould is removed after the fibre-reinforced fine concrete mass has hardened.
14. Method according to claim 13,
    characterised in that
    the fibres used, preferably formed as glass fibres, are in the range above 2.5% of the volume of the total mixture, preferably in the range 3% to 3.5% of the total mixture.
15. Method according to one of claims 13 or 14,
    characterised in that
    the fibres used have a fibre length between 4 and 8 mm, preferably of 6 mm.
16. Method according to one of claims 13 to 15,
    characterised in that
    the fibre-reinforced fine concrete mass is produced according to the following formulation:

    - CEM III/A 32.5 N-NW60kg

    - silica suspension 13kg

    - quartz sand 0.1 to 0.5 27kg

    - superplasticiser 0.82kg

    - water 8kg

    - glass fibre 4kg

    - colour 1kg

    - total mass 112.82kg.

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