EP2626479B1 - Construction element for installation in expansion joints of buildings - Google Patents

Description

The invention relates to a component for installation in parting lines of buildings, in particular in the area of stair landings, for sound-insulating, force-transmitting connection on both sides of adjacent building parts, with the features of the preamble of claim 1.

Such components according to the preamble of claim 1 are for example from the DE-A 199 00 211 discloses a sound-decoupled mounting device between two parts of the building, namely a staircase and a pedestal, disclosed with a recorded in the first of the two building parts mandrel sleeve. In this mandrel sleeve one end of a horizontally extending support is inserted, the opposite end extends into the second part of the building, so the pedestal or the stairs, so that this second part of the building with the interposition of an elastomeric bearing supported on the support height adjustable.

Furthermore, it is from the DE-A 195 42 282 known to use a hard partition plate with a multi-layer structure of relatively hard outer layers and a contrast soft liner and without direct connection of the two outer layers together and einzubetonieren in the parting line between two parts of the building. The reinforcing bars are passed through openings provided in the partition plate and anchored in the soft intermediate layer of the partition plate in the component, which dampens the vibration transmission between the outer layers with each other and between the outer layers and the reinforcing bars. The disadvantage here is that the reinforcing rods despite their attenuation relative to the component because of their passing through the partition plate, the two parts of the building interconnecting course nevertheless cause a sufficiently large vibration transmission and thus sound or noise transmission between the building parts. In addition, the arrangement of the rods in the soft intermediate layer to a correspondingly large thickness of the component and accordingly to a large mutual distance of the adjacent building parts.

In order to avoid such by a partition plate led reinforcing rods that extend between the two adjacent parts of the building and thus provide even despite the sound provided by the device to provide additional sound transmission, has been in the prior art in the EP-A 1 760 209 proposed that rebars do not run through the partition plate, but only on the side of the partition plate set, the partition plate used to ensure the power transmission not only the reinforcing bars, but also requires in their stepped cross-section, a mutual overlap of the adjacent building parts in the vertical direction.

In this embodiment, the partition plate is very complex and has not only separate holding means for positionally accurate determination of the reinforcing bars, but also a coextruded multilayer structure in which optionally additional elements such as fire protection strips, elastomeric bearings, etc. are to be installed and by the stepped course self-supporting and must be stabilized with several inner webs. If this construction is already comparatively complicated and the associated production outlay is correspondingly large, then the scanned embodiment of the separating plate with inclined dividing plate legs additionally leads to the absence of a defined vertical dividing plane between the adjacent building parts; Rather, the parting plane in the known case, the corresponding stepped partially inclined course, which leads to an extremely low tolerance in the installation of the known device for sound insulation: Would the device, for example, be installed a bit too high or too low or with different height compared to the height the adjacent building parts, so led the inclined partition sections very quickly that the parting line formed on the top of the adjacent building parts is not congruently positioned with the parting line on the bottom or that at least one of the joints near the edge, if necessary inclined instead of vertically, which quickly Problems with the connection work z. B. the application of a screed, flooring, insulation, etc. leads.

In addition, that is from the EP-A 1 760 209 known component for installation in joints not or suitable only under difficult adaptation measures to be installed at other positions with the same task: So it would be problematic to use the known device to store a stair landing on a building ceiling or on a building wall of a staircase, there this would lead by the stepped course of the parting plane that the building ceiling or the building wall beyond the actual vertical parting plane out in the direction of the stair landing would have to extend. As a result, the building ceiling or building wall would no longer have a defined planar end face, which is undesirable and can lead to consequential problems in calculations, connection work, etc.

On this basis, the present invention seeks to further develop a component for installation in joints of buildings according to the preamble of claim 1 to the effect that it allows a modular design and thus a simplified adaptation to respective installation conditions and thereby for other applications with the same task , namely sound-insulated transmission can be used.

This object is achieved by a component for installation in joints of buildings with the features of claim 1.

Advantageous developments of the invention are the subject of subclaims, the wording of which is hereby included by express reference in the description in order to avoid unnecessary text repetitions.

According to the invention the component for installation in joints of buildings is characterized in that the reinforcing element projecting from the second of the two parts of the building while crossing the aperture in the shell body and there cooperates with a sound-insulated transmission between the two parts of the building insulation element, that the reinforcing element is a support element comprises for the insulating element and forms a console-like bearing projection for the second of the two building parts together with the support member and that this second part of the building extends by means of the bearing projection in the shell body and so protrudes into the first building part for sound-absorbing, force-transmitting connection of the two building parts.

By dividing into a partition plate on the one hand and one or more shell body on the other hand, a modular structure is made possible, which brings a separation of functions: The partition plate, which is intended to be substantially in the parting line of a building, especially on staircases, the sound-absorbing, Although extending power transmission connection on both sides of adjacent building parts, although basically any shape have, however, it is now possible to form them again in the simplest basic form flat and without Abtreppungen etc., which not only reduces costs, but is also particularly favorable in terms of assembly, connection work, etc. The partition plate must therefore according to the separation of functions according to the invention thus provide only a sound-insulated spacing of the two adjacent parts of the building, whereas for the power transmission alone the scarf body is responsible, which is installed in corresponding openings of the partition plate and fixed there: Of course, the shell body does not guarantee the power transmission alone, but this purpose uses the reinforcement element passing through the opening, which extends into the shell body.

The special feature is that - as in the prior art of DE-A-195 42 282 - The reinforcing element passes through the opening of the partition plate, but does not extend into the adjacent second part of the building (ie not in the material of the second part of the building), but is limited to the area of the shell body. In this case, an overlap of the two adjacent building parts is created only in the area of the scarf body, but - with appropriate dimensioning or number of shell body - sufficient to provide the required power transmission.

It is easy to see that the shell body with associated reinforcement element on the one hand and the partition plate on the other hand easily with respect to position, size, etc. can be adapted to each other. So you can, for example, with one and the same partition plate, which must be based only on the appropriate height of the adjacent parts of the building, a transfer of great forces by installing appropriately sized shell body or a correspondingly large number of shells as well as the transmission of only small forces, including can then be worked with a few or relatively small sized scarf bodies and reinforcing elements. The only adjustment of the partition plate must be to adapt the opening in terms of size and position to the installation case and the number and dimension of the connected Schalkörper.

An essential aspect of the invention is that the reinforcing element has a support element for the insulating element and together with the support member forms a bracket-like bearing projection for the second of the two parts of the building and that extends this second part of the building by means of the bearing projection in the shell body and so protrudes into the first part of the building for sound-absorbing, force-transmitting connection of the two parts of the building. Thus, the console-like bearing projection, which is indeed associated with the second part of the building and extends into the first part of the building, forms exactly the overlap that is required for the mutual power transmission without the need for reinforcing bars - as in the prior art of DE-A-195 42 282 - To extend from the first part of the building to the second part of the building or in the material of the second part of the building and without, that the overlap by a particularly complicated design of the partition plate - as in the example of EP-A-1 760 209 - must be made available.

The reinforcing element consists at least partially of a reinforcing bar and the reinforcing bar is at least in partial areas in particular ironed and / or loop-shaped. As a result, an ideal adaptation to the static tasks of the power transmission can be achieved with a comparatively thin cross section of the reinforcement element and thus reduced sound transmission properties. For the material of the reinforcing element, in particular reinforcing rod is mainly metal and especially stainless steel in question, which can be performed ribbed in the form of a so-called reinforcing steel and thereby transmits the tensile force on the ribbing to the material of the second part of the building or can also be smooth-walled and then anchored over, for example, hook-shaped bends or terminal anchor heads in the second part of the building.

The reinforcing element has in the region of the partition plate an inclined relative to the horizontal course. The inclination is expediently greater than 45 ° with respect to the horizontal and preferably greater than 60 ° and is in particular in the range between 60 ° and 70 °. This makes it possible to transmit the forces occurring in the force-transmitting connection between the two parts of the building according to the model of a conventional transverse force rod, wherein the Reinforcement element - like a transverse force rod - is loaded in its inclined course usually only to train.

A major advantage of the inclined course of the reinforcing element is also that it can be arranged in the first part of the building so that in the overlap area as large a height of the first part of the building above - or depending on the installation below - is the Dämmelements available. This allows a significantly increased concrete cover, through which the force application or force discharge can be optimized.

Thus, the subject of the present invention forms a hybrid of the well-known in impact sound insulation elements transverse force rod designs on the other hand from well-known in impact sound insulation console-like designs and combines the advantages of both concepts in one component: On the supporting side, so for example in the range of the landing stage, the reinforcing element is designed in the manner of a transverse force rod, which allows optimum power transmission. The actual impact sound insulation measure is then carried out on the worn side, so for example in the area of the staircase, where the reinforcing element forms a bracket-like bearing projection and to a support member has, on which the footfall sound is placed. Due to the inclined course of the transverse force bar-like reinforcing elements, the console-like bearing projection can be arranged eccentrically far off in the direction of the edge of the building part, which allows a large overlap of the supported blue part in the region of the console-like bearing projection and thus a particularly good power transmission.

According to the invention, the reinforcing element cooperates with the support element for the insulating element, for example by the reinforcing element carries the support element, engages around, is supported on this and / or is connected with this form, force or cohesive. Thus, the support member may consist of a rail, which carries the insulating element at least indirectly and / or is supported on this, wherein the support member is in turn held or supported by the reinforcing element. If the reinforcing element rod-shaped and bent bow-shaped or loop-shaped, it may for example rest on its bow-shaped curved area. It may be appropriate to jam the support member with or to the reinforcing element, so that both during transport and during installation of the device according to the invention reinforcing element and support element can retain their intended installation position.

In the contact area between the support element and in particular rod-shaped reinforcing element recesses or bends in particular can provide a contact surface on which the reinforcing element on the support element - or vice versa - can be supported in the horizontal direction. As a result, the horizontal components, which result from the vertical load and the introduction of force on the inclined transverse rod-like reinforcing bar, on the support element in the connected second part of the building ablate (or depending on the application in the then bearing first part of the building).

As far as the support element or in particular the rail is concerned, its main function must first be taken into account: it must support the insulating element and thereby ensure the transmission of force between the remaining part of the reinforcement element and the insulating element. Conveniently, the support element or the rail is formed flat with a substantially horizontal support surface for the insulating element. It extends substantially in the horizontal direction and can be planar, e.g. be formed cuboid or advantageously has a partial areas angled, in particular U-shaped vertical cross-section with two U-legs and a U-base, wherein the lying between the two U-legs horizontally extending U-base carries the insulating element.

The two U-legs can take on additional functions such as the position assurance of Dämmelements or a positional fixation of the support member to the partition plate.

Especially if, however, the support element extends through the partition plate or the opening provided therein from the shell body out into the second part of the building (or is connected in another, indirect or direct manner to the second part of the building), via the support element and in particular its terminal U-legs take a support between the support element and the second part of the building, by which any occurring horizontal force components can be transmitted as compressive forces. That is, even if the reinforcing element can or should only serve for transverse force transmission, any horizontal components arising from the vertical load can be picked up and passed through the additional support element, thus keeping it away from the particular rod-shaped reinforcing element. It is important that, of course, the support member relative to the first part of the building sound-decoupled and so in the investment area of said terminal U-leg is impact sound insulated on the second part of the building.

The insulating element may be formed in the known manner mat or plate-like and in particular at least partially made of an elastomer. In the aforementioned case of the support member, an elastomeric bearing formed thereby is placed on the rail and thereby extends in a horizontal plane.

On the opposite side of the support member of the Dämmelements is a contact surface of the Dämmelements, which forms a force - / - ausleitungsbereich and in which the forces are transmitted as a compressive force between the first building part and the insulating body. In this case, the insulating element in the region of the contact surface either directly from the material of the first building part, ie in particular be acted upon by concrete or interposition of the scarf body. That is, the shell body may either have a recess in the area of the contact surface of the Dämmelements is arranged to come directly into contact with the material of the first building part; or the shell body can cover the insulating element in the area of the contact surface and pass the forces occurring there between the first building part and the insulating element directly. For this purpose, the shell body should consist of hard, incompressible material.

The trough-shaped shell body is designed to be open on one side in the direction of the second building part in order to receive the reinforcement element and the support element. He separates the first and the second part of the building by a closed trough-shaped surface from each other. In a particularly preferred embodiment The shell body is applied only on the first part of the building facing outer surface with concrete. The interior of the scarf body and thus also its inner surface are shielded by the partition plate against the material of the second part of the building and remain free of the material of the second part of the building, so in particular of concrete. In this case, this interior advantageously serves to accommodate only the console-like bearing projection, so the reinforcing element and the support element, and in particular also the insulating element. As a result, the contact areas between the bearing projection and the scarf body are reduced to the comparatively small-area area of the insulating element, which is optimized with regard to sound-insulating mutual contact. This leads to an optimal sound-insulated force-transmitting connection to the so-formed component of adjacent building parts.

In this case, the existing between the two parts of the building in particular vertical parting plane is provided with these trough-shaped invaginations, which extend into the first part of the building, but without this having an effect on the course and especially on the shape of the remaining parting plane in the region of the partition plate.

The shell body should be spaced apart in the region of its cavity on the side opposite the insulating element from the reinforcing element and the optionally provided support member in order to avoid interference or disturbance of footfall sound insulation by mutual contact. In other words, if the insulating element is arranged in the region of the upper ceiling surface of the scarf body, said spacing should be present in the area of the lower floor surface of the scarf body - and if the insulating element is arranged in the area of the lower floor surface of the scarf body, said spacing should be in Be present area of the upper ceiling surface of the scarf body.

The component according to the invention can be used in different ways: It is particularly advantageous if the first of the two building parts rests on the bearing projection assigned to the second of the two building parts. This can be the case, for example, if a flight of stairs is the first part of the building on a landing stage than the second part of the building to be relocated; then the shell body would extend into the staircase and the staircase would rest on the top of the scarf body and so transferred the force on this top of the scarf body, the insulating element and provided in the shell body bearing projection of the stair landing.

The component can also be used to ensure that the second of the two parts of the building rests on the first of the two parts of the building by means of the bearing projection assigned to it. Thus, while in the aforementioned example the scarf body extends into the area of the supported building part, in the subsequently described second variant with a support in the area of the bottom surface of the scarf body the scarf body would extend into the supporting building part. This could, for example, in the described installation between a flight of stairs and a landing so that the shell body extends into the landing, that the bearing projection is thus assigned to the flight of stairs and extends into the shell body and so the forces on the bearing projection and the bottom surface of the Schalkörpers be transferred to the landing.

It is now possible to select two installation situations at each installation site (on the one hand, assigning the bearing projection to the supporting building part and supporting the supported building part on the bearing projection of the supporting building part via the ceiling surface of the shell body, whereby the shell body extends into the supported building part; the bearing projection to the supported building part and supporting the supported building part with its bearing projection on the bottom surface of the scarf body, wherein the shell body extends into the supporting part of the building), so that, for example, in a staircase four different variants may result: 1st Variant: the bearing projection is assigned at the top and at the bottom of the staircase; 2nd variant: the bearing projection is assigned at the top and at the bottom of the stair landing; 3rd variant: the storage projection is assigned at the top of the flight of stairs and at the bottom of the stair landing; 4th variant: the storage projection is at the bottom of the staircase and at the top of the stair landing associated); nevertheless, it is usually preferred for reasons of installation, to arrange the storage projection at both installation sites the same, ie in the nature of the aforementioned 1st variant or the aforementioned 2nd variant.

Finally, if individual parts of the building such as in particular the stairboards made of semi-finished parts (eg Filigranplatten ^™ ), it is preferable for reasons of better connection and structural behavior to assign the storage projections these semi-finished parts and to arrange the formwork body in the other parts of the building.

Furthermore, it is possible to arrange the partition plate between a building ceiling or building wall on the one hand and a stair landing or a stair part on the other hand. Again, the parting plane may be vertical and e.g. flush with the face of the building ceiling and the shell body can then - as desired - in the worn or in the supporting part of the building extend into it.

This versatility of the same component for different installation situations shows the particular advantages of the subject invention.

It is also particularly advantageous if the trough-shaped shell body at least consists of a curved trough element for receiving the reinforcing element, the support element and the Dämmelements and from a substantially in the particular vertical partition plate plane extending edge and if the shell body in the region of the edge of the partition plate is added in the area or preferably slightly outside their openings to ensure a liquid concrete density system on the partition plate. The attachment can be done by clamping, latching or clip connections, but also by cohesive adhesive or welded joints.

The trough shape must of course be sized so large that surrounded by the shell body console-like bearing projection (which preferably consists of reinforcing element and support member) is strong enough to ensure the required power transmission. In this case, certainly a variety of Schalkörperformen in question, in the present case lump sum with "trough-shaped" circumscribed What should mean, in particular, that the parting plane in the area of the scarf body bulbous, curved, aufgegetieft or otherwise designed to create a space, in particular cavity for the reinforcing element and thus deviates from the other flat course of the partition plate. The term "trough shape" used here is therefore not intended to determine the exact spatial form; rather cuboids with plane side surfaces are also possible, as are deviating bodies with curved or inclined side surfaces, etc., as well as wedges, cylinders, trapezoids, etc. All common and thus the "trough shape" accordingly, is the unilaterally open training, which ensures that the shell body is connected to the partition plate in the region of an opening adapted to the shell body and that at least partially the parting plane in the region of the shell body from the partition plate plane in the Schalkörperebene, ie the plane of the shell body shell is laid.

As described above, the insulating element - depending on the application - can be arranged in the area of the ceiling and / or bottom surface of the scarf body, namely at least where the power transmission takes place. If a recess for the direct loading of the insulating element by the material of the first building part is left in the shell body, then this recess is again arranged correspondingly, depending on the application, in the area of the top and / or bottom surface of the shell body. The size, shape and position of the recess can be adapted to the insulating element; but it is also possible that the insulating element protrudes laterally beyond the recess and flat against the shell body to seal the interior of the shell body against the material, in particular concrete of the first part of the building.

Instead of a single-shell scarf body, it is also possible to construct a multi-shell structure or to combine a flat shell shell with an insulating layer (for example in the form of a PE foam panel), wherein these two components can be bonded to one another over the whole area, in particular adhesively bonded.

The same applies to the partition plate, which also consists of a flat first wall and an insulating layer fixed thereto (eg in the form of a PE foam plate) or also two flat first walls and one in between arranged insulating layer can be constructed, these components in turn can be connected to each other over the entire surface, in particular glued.

Although it is already in the prior art from the DE-A-195 13 664 known to use cuboid shell body for soundproofed Auflagerung of storage projections and to supplement them in the region of a parting line with Dämmstreifen of sound insulation material; However, these can be due to their design and dimensioning only in building walls bring in which the component height is not limited, and combine with corresponding storage projections of a staircase made of in-situ concrete or prefabricated elements. By no means, however, are they suitable for being inserted into any kind of parting line between two adjoining building parts. So they can not be installed, for example, especially in a parting line between a flight of stairs and a landing, since there the component height is so low that the required anchorage of the scarf body fails because of the lack of concrete and undercover and thus is not possible.

In this DE-A-195 13 664 It is even proposed that the shell body has an up to the top of the component extending edge strip, that is, in this document, the way is exactly away from a modular design towards a one-piece complete system, which should be avoided or improved by the present invention just.

As regards the determination of the reinforcing element on the material of the partition plate, for example, the perforations may be adapted to the shape of the reinforcing element in the traversing area that provides a direct mutual contact for the required fixation of the reinforcing elements on the partition plate. Because the reinforcing element is inclined in the region of the partition plate, there is also an additional possibility for support in a horizontal direction.

In addition, of course, there are other Feststellungs possibilities, for example by holding elements made of plastic are integrally formed on the partition plate, in which the reinforcing element inserted, clipped or fixed in any other way can be. In this case, the Festlegungsart should be designed so that in fact a secure positional fixation of the reinforcing member relative to the partition plate can be to the predetermined position of the reinforcing element within the shell body even with occurring loads during transport, assembly on site or the application of in-situ concrete not affect. Even against this background, it makes sense to additionally define the reinforcing element in the area within the shell body by a plastic web at a further point of the partition plate.

The essential aspect of the present invention is - as already mentioned - in the modular design. Against this background, it is particularly expedient that the component has a plurality of openings provided in the partition plate, a plurality of shells arranged side by side, in particular in the region of the openings, and a plurality of reinforcing elements which extend into the corresponding shells. This makes it possible to adapt the component to the respective application or load case and to exploit the desired and inventive modular structure.

After the device according to the invention is to be arranged in the joint area between stair landing and stairs, it is subject to strict specifications in terms of height, so that the shell body can not be sized arbitrarily, but instead a larger power by a correspondingly large number of Schalkörpern available must be made. In a preferred embodiment, the component according to the invention is used, for example, at a building height of 160 mm, wherein the shell body has a concrete cover of 100 mm above (or depending on the application below) of its arranged on its top surface (or bottom surface) Dämmelements, in a horizontal in the first part of the building projecting Schalkörpertiefe of about 40 mm and a horizontal shell body width of 120 mm. In order to enable a sufficiently large power transmission, every 150 mm horizontally next to each other a shell body is arranged so that six shell body can be provided in a partition plate with a horizontal length of 1000 mm.

It should also be pointed out that the present invention can be utilized not only for use of the component according to the invention on the construction site and for creating the first and second building parts from in-situ concrete, but that the present invention can also be used particularly advantageously and effectively in the precast plant.

Finally, in particular in the region of the separating plate, the component can be provided in a manner known per se with a fire protection material, e.g. with a strip of intumescent material placed in a recess of the separator plate and / or in terminal end caps for lateral, i. terminal closure of the partition plate is arranged.

Figur 1a und 1b

jeweils ein erfindungsgemäßes Bauelement im zwischen zwei Gebäudeteilen montierten Zustand in geschnittener Seitenansicht;

Figuren 2a - 2e

das Bauelement aus Figur 1 in perspektivischer Vorderansicht (Fig. 2a), in Rückansicht (Fig. 2b), in Vorderansicht (Fig. 2c), im Vertikalschnitt entlang der Linie E-E aus Fig. 2c (Fig. 2d) und in einem weiteren Vertikalschnitt entlang der Linie C-C aus Fig. 2c (Fig. 2e);

Figuren 3a - 3g

einen Teil des Bauelements aus Figur 1 in perspektivischer Vorderansicht (Fig. 3a), in Draufsicht (Fig. 3b), im Vertikalschnitt entlang der Linie C-C aus Fig. 3b (Fig. 3c), in Seitenansicht (Fig. 3d), in Draufsicht (Fig. 3e), in einem weiteren Vertikalschnitt entlang der Linie B-B aus Fig. 3b (Fig. 3f) und in einer vergrößerten Seitenansicht des Detail A aus Fig. 3d (Fig. 3g).

Further features and advantages of the present invention will become apparent from the following description of an embodiment with reference to the drawings; show here

FIGS. 1a and 1b

in each case a component according to the invention in the state mounted between two parts of the building in a sectional side view;

FIGS. 2a-2e

the component FIG. 1 in a perspective front view ( Fig. 2a ), in rear view ( Fig. 2b ), in front view ( Fig. 2c ), in vertical section along the line EE Fig. 2c ( Fig. 2d ) and in another vertical section along the line CC Fig. 2c ( Fig. 2e );

FIGS. 3a-3g

a part of the device FIG. 1 in a perspective front view ( Fig. 3a ), in plan view ( Fig. 3b ), in vertical section along the line CC Fig. 3b (Fig. 3c ), in side view ( Fig. 3d ), in plan view ( Fig. 3e ), in a further vertical section along the line BB Fig. 3b (Fig. 3f ) and in an enlarged side view of the detail A Fig. 3d (Fig. 3g ).

In FIG. 1a is a component 1 for installation in joints of buildings shown in a sectional side view, which is arranged between two adjacent building parts A, B in the form of a staircase 9 as the first building part B and a stair landing 8 as the second part of the building. flight of stairs 9 and stair landing 8 are shown in excerpts and sections and have schematically indicated structures 2a, 2b in the form of floor coverings such as tread plates, screed, impact sound insulation, floor tiles, etc. Between second building part A and first building part B a parting line C is arranged, which extends vertically over the entire height of the building parts and the corresponding structures 2a, 2b and not only represents a construction joint, but must also provide for a footfall sound insulation between the adjacent thereto components ,

FIG. 1b shows a second exemplary application, in each case the same components are provided with the same reference numerals and the component 1 is again shown in side view between two adjacent building parts 8, 9 in the form of a flight of stairs 9 and a landing 8, but here the staircase as the second part of the building A and the landing step acts as the first building part B, so the component is used in a precisely reversed application. For this purpose, the component 1 is installed quasi upside down.

In the area of the two parts of the building A, B (which applies per se for both applications - however, the invention will be hereinafter to avoid ambiguity based on the embodiment according to FIG. 1a described) is a flat partition plate 1 is arranged, which extends over the entire height of the adjacent building parts and - as it in particular FIG. 2a recognizable - has a horizontal length in the order of, for example, 1 meter, which corresponds to the length of the parting line C and thus the width of the staircase B.

The partition plate 1 consists of two relatively pressure-resistant outer walls 1a, 1b, which are connected to each other only a few horizontal intermediate webs and otherwise maintain a mutual distance in the order of about 10 mm, thereby the two adjacent building parts A and B from each other at a distance to hold and prevent a mutual mutual investment and thus vibration and sound transmission. The outer walls 1a, 1b have a plurality of horizontally extending and a few millimeters projecting ribs or webs, which provide for a certain anchoring of the partition plate in the adjacent concrete of the building parts A and B. The outer walls 1 a, 1 b with the intermediate webs are self-supporting and pressure-stable enough to withstand the forces of the liquid concrete material when the building parts are made of in-situ concrete or pre-fabricated in precast concrete and to keep both parts of the building permanently at a distance even after curing of the concrete material.

To improve the sound insulation between the two outer walls 1 a, 1 b, an insulating plate 1 c made of polyethylene, wherein the three elements in sandwich construction fixed together, e.g. are glued over the entire surface.

According to the invention, the separating plate now has a plurality of perforations 1d, 1e, 1f arranged next to and above one another, to which are attached trough-shaped shell bodies 6 (in each case in the same direction) or through which the reinforcing elements 3, 4 pass. Each shell body 6 is fixed in each case with its upper edge 6f 'and its upper edge 6f "flat and liquid-tight on the outer wall 1b of the partition plate 1, as it is mainly from the Figures 2d and 2e is apparent.

The shell body 6 is designed trough-shaped, in particular bellied or arched and forms a cavity 6 d, which is largely limited or enclosed by the shell body. The cavity 6d serves to accommodate in particular the reinforcing element, while the outside of the shell body is acted upon by the concrete of the building part B. Especially from the FIGS. 1a and 2e is visible in the vertical section, an insulating element 5 is arranged in the form of a plate-shaped elastomer bearing in the upper part of the scarf body, the scarf body ceiling surface 6e, which ensures the sound-insulated power transmission between the building part B and building part A. The elastomer bearing 5 lies flat on a part of the reinforcing element, namely the support element 4 described in more detail below, whereas the elastomer bearing 5 with its upper contact surface 5c, the shell body ceiling surface 6e applied surface from below. So scarf body ceiling surface 6e, elastomer bearing 5 and support element 4 over the entire surface to each other, as it in particular FIG. 2e it can be seen that a section through the device along the line CC Fig. 2c shows.

The FIGS. 2a . 2d and 2e let the trough shape of the scarf body 6 recognize, where it arrives in the illustrated embodiment, especially on the top or ceiling surface 6e of the scarf body to which the described elastomer bearing 5 is applied as an insulating element and which serves to force application.

The rest of the trough shape is not primarily relevant for power transmission and sound insulation; it is only necessary to ensure that a spacing with respect to other elements such as in particular reinforcing element 3 and / or support element 4 is maintained in order not to impair the impact sound insulation by mutual contact.

The shell body has two adapted to the course of the reinforcing bar 3 inclined legs 6a, 6b and a vertically upwardly extending portion 6c, which corresponds to the extent of the elastomer bearing 5 with a vertically upwardly projecting L-web 5a and to this encompassing U-leg 4b of the support member 4 is adapted and spaced from these runs.

In the other areas of the Schalkörpers this is - as in particular from Fig. 2a is apparent - formed approximately parallelepiped with substantially horizontal and vertical planar side surfaces and extends there spaced from the reinforcing element and any other elements arranged in the cavity 6d.

The shape, the course, the position and the orientation of the reinforcing element are in particular made Fig. 1a . 2a . 2 B . 2d, 2e seen. Each shell body is associated with a reinforcing element 3, which consists of a reinforcing rod made of metal. The reinforcing rod is bow-shaped bent in the region of the cavity 6d of the scarf body 6, so that two legs 3a, 3b of the reinforcing bar 3 extend out of the shell body 6 in the direction of the second building part A, wherein the two legs connecting base 3c approximately horizontally in the shell body 6 runs.

On the way to the second building part A, the two legs 3a, 3b respectively pass through openings 1d in the outer wall 1b, through openings 1g in the insulating element 1c and through openings 1f in the outer wall 1a. outgoing from the horizontal base 3c, while traversing the apertures 1d, 1g and 1f, and subsequently in the region of the second building part A, the two legs 3a, 3b extend rectilinearly at an angle of 70 ° to the horizontal, as is the case with transverse force reinforcing bars in thermal insulation components is known. Only in an upper region of the second building part A, the two legs are bent and go in a horizontal extension direction 3a ', 3b' and are anchored over a large bond length in the second part of the building A.

The reinforcing bar 3 settles in its inclined course 3 a, 3 b at the edges of the openings and is additionally supported on a holding web 1 b "of the outer wall 1 b, which protrudes into the cavity 6 d of the scarf body 6.

According to one essential aspect of the invention, the reinforcing element has a support element 4 for the insulating element 5. For this purpose, the reinforcing bar 3 carries in the region of its base 3c a rail, which forms the support element 4 and - as already mentioned above - the insulating element 5 carries. The rail extends substantially in the horizontal direction, is angled with its edges 4a, 4b in the vertical direction and thus forms a U-shaped vertical section with two vertical U-legs 4a, 4b and a horizontal U-base 4c, on which the plate-shaped insulating element. 5 is up.

Serving as a support member rail is particularly from the Fig. 3a - 3g recognizable, which show only a part of the subject invention in various views, namely the reinforcing bar 3, the support element 4 and the insulating element. 5

The U-base 4c has a relative to the horizontal downwardly inclined notch 4d, which leaves a gap with respect to the U-base 4c, in which the base 3c of the reinforcing bar 3 can be inserted, so the rebar 3 between notch 4d and U Base 4c of the mounting member 4 to jam.

In addition, the profile rail on the other two free side edges, that is not on the side edges of the two U-legs 4a, 4b, flag-like bends 4e, 4f with inclined edges 4e ', 4f' on. These edges point a to the extension direction of the reinforcing bar 3 in the region of its inclined portions 3a, 3b adapted inclination, so that the reinforcing rod create these edges and so horizontal force components can be transferred to the support member 4 and from there into the first part of the building.

The rail extends to this parallel to the partition plate while traversing the opening 1 d of the outer wall 1 b and an opening 1 e of the outer wall 1a, so that a U-leg 4a outside of the shell body 6 on the second part of the building A side facing the partition plate. 1 is arranged and flat against the outer wall 1a. For better positional fixation, the outer wall 1a has a holding web 1a 'embracing the U-leg 4a at its free end. With this extending in the vertical direction U-leg 4a a surface contact between rail 4 and second part of the building A is created after attaching (especially Anbetonieren) of the second building part A, on which any occurring compressive forces can be transmitted, not from the inclined extending rebar 3 can be transmitted.

On the U-leg 4a opposite side of the rail, the second U-leg 4b extends in the vertical direction and surrounds the elastomer bearing 5, wherein the U-leg 4b forms a position and captive for the elastomer bearing 5.

This elastomeric bearing 5 is disposed within the scarf body 6 on the U-base of the rail and is supported with its one edge on said second U-leg 4b and with its opposite edge on the outer wall 1 b of the partition plate 1 from.

Now, the device 1 according to the invention in the in FIG. 1 shown use case incorporated in the parting line C, so the ribbed reinforcement bar 3 ensures anchoring of the component 1 in the building part A and thus for a corresponding sufficient power transmission in the adjacent building part A. On the other hand, the shell body 6 provides mainly in the Top side or ceiling surface 6e for a particularly in the vertical direction extending pressure force introduction of the building part B, so that the elastomeric bearing 5, between the shell body 6 and rail 4 in the region of the ceiling surface 4c is arranged, which provides power transmission between the building part B and building part A in a sound-insulated manner.

For this purpose, the insulating material consists for example of high-quality closed-cell polyurethane (PUR). As far as the two outer walls of the partition plate 1 are concerned, they may consist of pressure-resistant material such as hard PVC, whereas the insulating panel 1c arranged between the outer walls may be made of polyethylene (PE). In addition, of course, other insulation materials or other pressure-stable plastics can be used.

The connection between partition plate 1 and shell body 6 is achieved in the present example above all by a latching connection, wherein the shell body has hook-like latching lugs on its underside, which engage in a corresponding receiving projections 1b 'of the outer wall 1b of the partition plate 1 in the region of the openings 1d and so set the entire shell body at the opening and at the partition plate.

It is easy to see that partition plate, shell body, insulation element and also reinforcing rod and support element can be easily varied in terms of their dimensions or number and that due to the modular construction of the invention with a few components a very high variety of variants is possible.

At the in FIG. 1b illustrated installation example with turned to the head component 1, the staircase 9 is indeed as well as in FIG. 1a the supported part of the building, however, is in FIG. 1b the reinforcing element 3 associated with the flight of stairs, so that the staircase forms the second part of the building A. The shell body 4 extends into the first building part B, which in the case of FIG. 1b is formed by the landing 8, which in turn acts as the supporting part of the building.

Thus, the supporting part of the building A associated reinforcing element 3 can be supported in the supporting building part B, the shell body is installed virtually 180 ° mirrored overhead and ensures the mutual weight transfer from stair landing to flight over its bottom surface 6f, like the ceiling surface 6e of the scarf body 6 FIG. 1a is trained. Accordingly, in the embodiment FIG. 1b provided the elastomeric bearing in the area of the bottom surface.

Overall, therefore, in both embodiments, the reinforcing element 3 and the support element 4 together form a bracket-like bearing projection, which extends into the interior of the shell body 6, there carries the insulating element 5, which is in operative connection with the first building part B and directly or indirectly of its material , is applied in particular by concrete. The insulating element has in particular the weight of the building part B (in the embodiment according to FIG Fig. 1a ) and A (in the embodiment according to Fig. 1 b) to transfer and supports this purpose on the support element 4, which in turn is supported on the reinforcing element 3, which is designed in the manner of a transverse force rod and transmits the force in the first building part A.

In summary, the present invention has the significant advantage of being able to be adapted by simple changes in dimension and number of individual parts for different applications without this would lead to a complete overhaul of the device. Thus, the device according to the invention can be used wherever a sound-insulated pressure force transmission between two horizontally adjacent parts of the building is needed.

Claims (15)

1. Structural element for installation in joints of buildings, especially at staircase landings, for sound-insulating, force-transmitting connection of building parts (A, B) adjoining on both sides, consisting of a separating plate (1) and of reinforcing elements (3) that pass through the latter, wherein the separating plate (1) has at least one opening (1 d, 1 e, 1 f, 1 g) for a reinforcing element (3), the separating plate (1) having in the region of the opening (1d, 1e, 1f, 1g) a trough-shaped shell body (6) which, starting from the separating plate, projects into the first (B) of the two adjoining building parts,
   wherein the reinforcing element (3), starting from the second (A) of the two building parts, passes through the opening (1d, 1e, 1f, 1g) and projects into the shell body (6) where it co-operates with an insulating element (5) serving for sound-insulated force transmission between the two building parts (A, B), the reinforcing element (3) having a supporting element (4) for the insulating element (5) and forming together with the supporting element a bracket-like bearing projection (3, 4) for the second (A) of the two building parts, and wherein that second building part extends by means of the bearing projection into the shell body (6) and thus projects into the first building part (B) for sound-insulating, force-transmitting connection of the two building parts (A, B),
   characterised in that
   the reinforcing element (3) comprises, at least in part, a reinforcing bar (3a, 3b, 3c), and the reinforcing bar (3a, 3b, 3c) is in the form of a transverse force bar and extends through the separating plate at an angle of inclination with respect to the horizontal of preferably greater than 45° and especially preferably greater than 60°.
2. Structural element according to at least claim 1,
   characterised in that
   the supporting element (4) at least indirectly supports the insulating element (5) and/or is at least indirectly supported on that insulating element (5).
3. Structural element according to at least claim 1,
   characterised in that
   the supporting element (4) consists of a profile rail which is especially made of metal, preferably of stainless steel.
4. Structural element according to at least claim 3,
   characterised in that
   the profile rail (4) extends substantially in the horizontal direction, preferably having a vertical cross-section that is angular, especially U-shaped, in sub-regions (4a, 4b) and/or the profile rail (4) has a substantially horizontal support face (4c) for the insulating element (5).
5. Structural element according to at least claim 1,
   characterised in that
   the reinforcing element (3) is made especially of metal and preferably of stainless steel.
6. Structural element according to at least claim 5,
   characterised in that
   the reinforcing bar (3a, 3b, 3c) is, at least in sub-regions, U-shaped and/or loop-shaped.
7. Structural element according to at least claim 1,
   characterised in that
   the insulating element (5) is of plate-like construction and especially consists at least partly of an elastomer.
8. Structural element according to at least claim 1,
   characterised in that
   the trough-shaped shell body (6) is open on one side in the direction of the second (A) of the two building parts and receives the reinforcing element (3), the supporting element (4) and/or the insulating element (5) in its interior (6d).
9. Structural element according to at least claim 1,
   characterised in that
   the trough-shaped shell body (6) separates the first building part (B) and the second building part (A) from one another by means of a substantially closed trough-shaped surface.
10. Structural element according to at least claim 1,
    characterised in that
    the interior (6d) of the shell body (6) is at least partly shielded from the material of the second building part (A) by the separating plate (1).
11. Structural element according to at least claim 1,
    characterised in that
    the first (B) of the two building parts is supported, with interposition of the insulating element (5), on the bearing projection (3, 4) associated with the second (A) of the two building parts.
12. Structural element according to at least claim 1,
    characterised in that
    the second (A) of the two building parts is supported by means of the bearing projection (3, 4) associated therewith, with interposition of the insulating element (5), on the first (B) of the two building parts.
13. Structural element according to at least claim 1,
    characterised in that
    the trough-shaped shell body (6) has a rim (6f, 6f") substantially extending especially in the vertical plane of the separating plate, and the shell body (6) is attached to the separating plate (1) in the region of the rim (6f, 6f"), especially by a snap-in, clamped or material-bonded connection.
14. Structural element according to at least claim 1,
    characterised in that
    the structural element (1) has a plurality of openings (1d, 1e, 1f, 1g) in the separating plate (1a, 1b, 2), a plurality of shell bodies (6) arranged one next to the other, and a plurality of reinforcing elements (3).
15. Structural element according to at least claim 1,
    characterised in that
    to avoid impairment of impact sound protection, the shell body (6) on the side opposite the insulating element (5) is arranged spaced apart from the reinforcing element (3) and from any supporting element (4).

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