EP2481865B1 - Step - Google Patents
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- Publication number
- EP2481865B1 EP2481865B1 EP11008745.9A EP11008745A EP2481865B1 EP 2481865 B1 EP2481865 B1 EP 2481865B1 EP 11008745 A EP11008745 A EP 11008745A EP 2481865 B1 EP2481865 B1 EP 2481865B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping plate
- blind hole
- tie rod
- sleeve
- tension anchor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004873 anchoring Methods 0.000 claims description 2
- 210000002435 tendon Anatomy 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 8
- 239000004575 stone Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/022—Stairways; Layouts thereof characterised by the supporting structure
- E04F11/0223—Cantilevered stairways
Definitions
- the invention relates to a cantilevered step of a staircase, wherein the step is arranged on a component of a building, wherein in the step at least one extending in the longitudinal direction of the step bar-shaped tie rod is arranged, is biased by the at least one tie rod, the stage on pressure wherein the step for receiving the at least one bar-shaped tie rod has a blind hole extending in the longitudinal direction of the step, the tie rod being anchored in the blind hole.
- Stairs with cantilevered steps are well known in the art.
- a step of a staircase known, in which the step freely cantilevered by a building part is receivable, wherein for receiving the existing layer consisting of several layers of glass on the building part a fastening device is provided.
- the fastening device comprises jaws with clamping means, wherein the clamping means hold the step between the jaws clamped.
- the clamping means may be formed here as a bolt.
- the DE 195 03 582 C2 shows a spiral staircase with freely cantilevered arranged on the spindle unconnected steps made of natural stone. Each of these steps has two parallel to the longitudinal axis in the step extending reinforcing bars, which emerge at both ends of the step. The end of the reinforcing bars each have a thread for receiving a nut, wherein the nuts are braced against the step on the spindle.
- the arrangement of such reinforcing bars in a natural stone stage is required for the following reasons. Natural stone can withstand high compressive forces, as is the case with concrete, but can only be claimed to a limited extent on train.
- the single step is claimed by the reinforcing bars on pressure.
- the compressive stress of the step is reduced due to the bending stress of the step corresponding to the weight standing on the step now.
- this principle is sufficiently known from the prior art.
- a step according to the preamble of claim 1 is known.
- the anchoring in the step takes place in that a hardenable mass is introduced into the blind hole of the step, into which a tie rod is inserted. After hardening of the mass, a nut is placed on the end of the threaded tie rod and thus biased the step.
- the disadvantage here is that when tightening the nut on the tie rod against the front side of the stage of the tie rod can be released from the hardened mass. In such a case, the blind hole must be drilled again to fix the tie rod again.
- the object underlying the invention is therefore, in a cantilevered step of a staircase of the type mentioned, the at least one tie rod in the stage to install such that it can be biased against the stage without the risk that he tears ,
- the invention proposes that the stage for receiving the at least one rod-shaped tie rod in the blind hole, an anchored in the blind hole sleeve having an internal thread for receiving the externally threaded tie rod.
- a sleeve is inserted into the blind hole, the sleeve is connected in the interior of the blind hole with the step, for example by a suitable adhesive, as has already been mentioned in relation to the embodiment described above.
- the sleeve on its outer circumference has a toothing, in particular a thread to produce a stable connection between the sleeve on the one hand and the surrounding material of the step.
- the clamping plate has a countersunk hole for receiving a nut which rests on the tie rod.
- the countersunk hole in this case has a depth which corresponds at least to the height of the mother, so that with a corresponding length of the tie rod, the tie rod with the mother plan to the top of the clamping plate concludes.
- the clamping plate is connected to an anchor plate which serves the attachment to the component of the building.
- the anchor plate itself which is welded to the clamping plate, for example, may be cast in the concrete of the component, or the anchor plate is pegged to the component, such as a wall.
- the designated 1 step is located on a designated 2 part of the building.
- the building part 2 may in this case be, for example, a concrete or brick wall of a building.
- the arrangement of the step on the shell of a spindle is also to be regarded as a building part within the meaning of the invention.
- the invention is now the arrangement of the two trained as tie rods 10 reinforcing elements in the stair step 1 ( Fig. 1 ).
- a sleeve 15 is arranged, wherein the sleeve 15 has an internal thread 15 a and an external thread 15 b.
- the sleeve 15 is in this case glued by an adhesive, for example on the basis of a polyester resin in the blind hole of the stair step 1.
- the sleeve 15 serves to receive the tie rod 10, which in turn has a threaded projection on the sleeve-side end.
- a clamping plate 20 is provided, wherein the clamping plate 20 extends over the surface of the end face of the stage 1.
- the clamping plate has a bore 21 for the passage of the tie rod 10, wherein the tie rod at this end has at least one thread 12 for receiving the designated mother 23.
- the clamping plate 20 further has in the region of the bore 21 a countersunk hole 24 which serves to receive the nut 23.
- the size of the countersunk hole 24 and the size of the nut also correspond insofar as a radial distance is provided between the countersunk hole and the nut in order to have room for the attachment of a tool, for example a nut.
- an anchor plate 30 is attached to the clamping plate 20.
- the anchor plate lies flat on the clamping plate 20, since the height of the nut is less than the depth of the counterbore.
- the anchor plate 30 may for example be welded or screwed to the clamping plate.
- the anchor plate 30 is cast in the component, for example, if it is a concrete wall, or pegged to the wall.
- step is in this case then curved on its end facing the spindle corresponding to the radius of the spindle formed, which applies in the same way for the clamping plate and the anchor plate.
- the connection between the anchor plate and the spindle can be done by screws or by a welded connection.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
- Ladders (AREA)
- Working Measures On Existing Buildindgs (AREA)
Description
Die Erfindung betrifft eine frei auskragende Stufe einer Treppe, wobei die Stufe an einem Bauteil eines Gebäudes angeordnet ist, wobei in der Stufe mindestens ein sich in Längsrichtung der Stufe erstreckender stangenförmiger Zuganker angeordnet ist, wobei durch den mindestens einen Zuganker die Stufe auf Druck vorgespannt ist, wobei die Stufe zur Aufnahme des mindestens einen stangenförmigen Zugankers ein sich in Längsrichtung der Stufe erstreckendes Sackloch aufweist, wobei der Zuganker in dem Sackloch verankert ist.The invention relates to a cantilevered step of a staircase, wherein the step is arranged on a component of a building, wherein in the step at least one extending in the longitudinal direction of the step bar-shaped tie rod is arranged, is biased by the at least one tie rod, the stage on pressure wherein the step for receiving the at least one bar-shaped tie rod has a blind hole extending in the longitudinal direction of the step, the tie rod being anchored in the blind hole.
Aus der
Treppen mit frei auskragenden Treppenstufen sind aus dem Stand der Technik hinreichend bekannt. So ist beispielsweise aus der
Die
Nachteilig hierbei ist, dass von außen die Bewehrungsstäbe, die sich parallel zur Längsachse der Stufe in der Stufe erstrecken, erkennbar sind. Zwar ist bekannt, im Bereich des freien stirnseitigen Endes einer Treppenstufe an die Bewehrungsstäbe Halterungen für das Geländer anzubringen, jedoch stört auch dies den optischen Gesamteindruck einer solchen Treppe. Dies auch insofern, als das Geländer häufig eher auf der Treppenstufe angebracht wird.The disadvantage here is that from the outside the reinforcing rods, which extend parallel to the longitudinal axis of the step in the stage, are recognizable. Although it is known to mount brackets for the railing in the region of the free end face of a step on the reinforcing bars, but this also disturbs the overall visual impression of such a staircase. This also insofar as the railing is often placed more on the step.
Aus der
Die der Erfindung zugrunde liegende Aufgabe besteht demzufolge darin, bei einer frei auskragenden Stufe einer Treppe der eingangs genannten Art, den mindestens einen Zuganker in der Stufe derart anzubringen, dass er gegen die Stufe vorgespannt werden kann, ohne dass die Gefahr besteht, dass er ausreißt.The object underlying the invention is therefore, in a cantilevered step of a staircase of the type mentioned, the at least one tie rod in the stage to install such that it can be biased against the stage without the risk that he tears ,
Zur Lösung der Aufgabe wird erfindungsgemäß vorgeschlagen, dass die Stufe zur Aufnahme des mindestens einen stangenförmigen Zugankers in dem Sackloch, eine in dem Sackloch verankerte Hülse mit einem Innengewinde zur Aufnahme des mit einem Außengewinde versehenen Zugankers aufweist.To achieve the object, the invention proposes that the stage for receiving the at least one rod-shaped tie rod in the blind hole, an anchored in the blind hole sleeve having an internal thread for receiving the externally threaded tie rod.
Hieraus wird deutlich, dass zunächst eine Hülse in das Sackloch eingeschoben wird, die Hülse im Inneren des Sackloches mit der Stufe verbunden wird, beispielsweise durch einen geeigneten Klebstoff, wie dies auch schon in Bezug auf die zuvor beschriebene Ausführungsform erwähnt worden ist. Im Einzelnen kann hierbei vorgesehen sein, dass die Hülse auf ihrem Außenumfang eine Verzahnung, insbesondere ein Gewinde aufweist, um eine stabile Verbindung zwischen der Hülse einerseits und dem sie umgebenden Material der Treppenstufe herzustellen.From this it is clear that first a sleeve is inserted into the blind hole, the sleeve is connected in the interior of the blind hole with the step, for example by a suitable adhesive, as has already been mentioned in relation to the embodiment described above. Specifically, it can be provided here that the sleeve on its outer circumference has a toothing, in particular a thread to produce a stable connection between the sleeve on the one hand and the surrounding material of the step.
Die Verspannung des mindestens einen in der Treppenstufe geführten Zugankers gegen die Treppenstufe selbst zur Erzeugung einer Druckkraft auf die Treppenstufe erfolgt durch eine auf der dem Bauteil zugewandten Stirnseite der Treppenstufe angeordneten Spannplatte, wobei der mindestens eine Zuganker im Bereich der Spannplatte ein Gewinde zur Aufnahme eines Spanngliedes aufweist, um den Zuganker gegen die Spannplatte vorzuspannen. Hieraus wird deutlich, dass der Zuganker auf Zug und korrespondierend hierzu die Stufe über die Spannplatte auf Druck beansprucht wird.The tension of the at least one guided in the step tie rod against the step itself to produce a compressive force on the step by a arranged on the component end face of the step arranged clamping plate, said at least one tie rod in the clamping plate a thread for receiving a tendon has to bias the tie rod against the clamping plate. From this it is clear that the tie rod to train and corresponding to the step on the clamping plate is subjected to pressure.
Im Einzelnen ist vorgesehen, dass die Spannplatte ein Senkloch zur Aufnahme einer Mutter aufweist, die auf dem Zuganker aufsitzt. Das Senkloch weist hierbei eine Tiefe auf, die mindestens der Höhe der Mutter entspricht, sodass bei entsprechender Länge des Zugankers, der Zuganker mit der Mutter plan zur Oberseite der Spannplatte abschließt.In detail, it is provided that the clamping plate has a countersunk hole for receiving a nut which rests on the tie rod. The countersunk hole in this case has a depth which corresponds at least to the height of the mother, so that with a corresponding length of the tie rod, the tie rod with the mother plan to the top of the clamping plate concludes.
Nach einem weiteren Merkmal der Erfindung ist die Spannplatte mit einer Ankerplatte verbunden, die der Befestigung am Bauteil des Gebäudes dient. Die Ankerplatte selbst, die mit der Spannplatte beispielsweise verschweißt ist, kann in dem Beton des Bauteils eingegossen sein, oder aber die Ankerplatte wird mit dem Bauteil, beispielsweise einer Wand, verdübelt.According to a further feature of the invention, the clamping plate is connected to an anchor plate which serves the attachment to the component of the building. The anchor plate itself, which is welded to the clamping plate, for example, may be cast in the concrete of the component, or the anchor plate is pegged to the component, such as a wall.
Durch die Anordnung eines Sackloches, das sich parallel zur Längsachse von der einen Stirnseite ausgehend in die Treppenstufe erstreckt, zur Aufnahme des mindestens einen Zugankers, wird nunmehr erreicht, dass die Bewehrung der Treppe von außen nicht sichtbar ist, denn an der Stirnseite der Stufe mit dem Sackloch ist die Stufe am Bauteil des Gebäudes, z. B. einer Wand, befestigt.By arranging a blind hole, which extends parallel to the longitudinal axis of the one end face, starting in the step, for receiving the at least one tie rod, is now achieved that the reinforcement of the stairs from the outside is not visible, because at the front of the stage with the blind hole is the step on the component of the building, z. B. a wall attached.
Anhand der Zeichnungen wird die Erfindung nachstehend beispielhaft näher erläutert.
- Fig. 1
- zeigt schematisch eine an einem Bauteil eines Gebäudes angeordnete Treppenstufe in einer Draufsicht;
- Fig. 2
- zeigt einen Schnitt gemäß der Linie II-II aus
Fig. 1 in einer zweiten Ausführungsform;
- Fig. 1
- schematically shows a arranged on a component of a building step in a plan view;
- Fig. 2
- shows a section along the line II-II
Fig. 1 in a second embodiment;
Die mit 1 bezeichnete Treppenstufe ist an einem mit 2 bezeichneten Gebäudeteil angeordnet. Das Gebäudeteil 2 kann hierbei beispielsweise eine Beton- oder Ziegelwand eines Gebäudes sein. Denkbar ist ebenfalls die Anordnung der Treppenstufe an dem Mantel einer Spindel. Das heißt, die Spindel ist ebenfalls als ein Gebäudeteil im Sinne der Erfindung anzusehen. Gegenstand der Erfindung ist nunmehr die Anordnung der beiden als Zuganker 10 ausgebildeten Bewehrungsglieder in der Treppenstufe 1 (
Wie sich aus der Darstellung gemäß
Für die Verspannung des Zugankers 10 gegen die Stufe 1 ist, wie sich dies aus der Darstellung gemäß
Wie bereits an anderer Stelle erläutert ist auch denkbar, eine solche Treppenstufe an einer Spindel zu befestigen. Die Treppenstufe ist hierbei dann auf ihrer der Spindel zugewandten Stirnseite entsprechend dem Radius der Spindel gewölbt ausgebildet, was in gleicher Weise auch für die Spannplatte und die Ankerplatte gilt. Die Verbindung zwischen der Ankerplatte und der Spindel kann hierbei durch Schrauben oder auch durch eine Schweißverbindung erfolgen.As already explained elsewhere is also conceivable to attach such a step on a spindle. The step is in this case then curved on its end facing the spindle corresponding to the radius of the spindle formed, which applies in the same way for the clamping plate and the anchor plate. The connection between the anchor plate and the spindle can be done by screws or by a welded connection.
- 11
- Treppenstufestep
- 22
- Gebäudeteilbuilding
- 55
- Sacklochblind
- 1010
- Zugankertie rods
- 1111
- Gewindethread
- 1212
- Gewindethread
- 1515
- Hülseshell
- 15a15a
- Innengewinde der Hülse 15Internal thread of the sleeve 15th
- 15b15b
- Außengewinde der Hülse 15External thread of the sleeve 15th
- 2020
- Spannplattechipboard
- 2121
- Bohrungdrilling
- 2323
- Muttermother
- 2424
- Senklochsink hole
- 3030
- Ankerplatteanchor plate
Claims (6)
- A freely overhanging step (1) of stairs, wherein the step is disposed at a structural element (2) of a building, wherein at least one rod-shaped tension anchor (10) extending in the longitudinal direction of the step is disposed in the step (1), wherein the step (1) is pre-compressed by the at least one tension anchor (10), wherein the step (1) comprises a blind hole (5) extending in the longitudinal direction of the step (1) for receiving the at least one rod-shaped tension anchor (10), wherein the tension anchor is anchored in the blind hole (5),
characterized in that
a sleeve (15) with an internal thread (15a) is anchored in the blind hole (5) for receiving the tension anchor (10) provided with an external thread (11). - The step according to claim 1,
characterized in that
the sleeve (15) comprises an external thread (15b). - The step according to one of the afore-mentioned claims,
characterized in that
the anchoring of the sleeve (15) in the blind hole (5) is carried out by gluing. - The step according to one of the afore-mentioned claims,
characterized in that
the step (1) comprises a clamping plate (20) on the front side oriented toward the structural element (2), wherein the at least one tension anchor (10) comprises a thread (12) in the area of the clamping plate (20) for receiving a tendon (23), in order to pre-tension the tension anchor (10) against the step (1) by way of the clamping plate (20). - The step according to claim 4,
characterized in that
the clamping plate (20) comprises a countersink (24) for receiving a nut (23), which rests on the tension anchor (10). - The step according to claim 4 or 5,
characterized in that
the clamping plate (20) is connected with an anchor plate (30), which serves for fastening on the structural element (2).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011009673A DE102011009673A1 (en) | 2011-01-28 | 2011-01-28 | step |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2481865A2 EP2481865A2 (en) | 2012-08-01 |
EP2481865A3 EP2481865A3 (en) | 2013-03-06 |
EP2481865B1 true EP2481865B1 (en) | 2017-04-12 |
Family
ID=45023493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11008745.9A Active EP2481865B1 (en) | 2011-01-28 | 2011-11-03 | Step |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2481865B1 (en) |
DE (1) | DE102011009673A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019169399A1 (en) * | 2018-03-02 | 2019-09-06 | Construction & Design Solutions, Inc. | Cantilever stair assembly |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2025938A1 (en) * | 1970-05-27 | 1971-12-09 | Krumm, Alfred, 7441 Neckartailfingen | stairway |
DE8001802U1 (en) * | 1980-01-24 | 1980-04-24 | Thumm & Co, 7440 Nuertingen | CONNECTING ELEMENT FOR STAIRS |
AT380507B (en) * | 1984-02-22 | 1986-06-10 | Schromm Erich Dipl Ing | METHOD FOR INCREASING THE LOAD CAPACITY OF BUILT-IN STONE STEPS |
DE9302685U1 (en) * | 1993-02-25 | 1993-05-13 | Franz Kohler GmbH, 7951 Eberhardzell | Holding device for step plates |
DE19503582C2 (en) | 1995-02-03 | 1996-12-12 | Walter Wachenfeld | Spiral staircase |
DE102005035560B3 (en) | 2005-07-29 | 2006-11-16 | Natursteinwerk Wachenfeld Gmbh | Staircase for building has laminated glass treads cantilevered from wall using clamp brackets |
-
2011
- 2011-01-28 DE DE102011009673A patent/DE102011009673A1/en not_active Withdrawn
- 2011-11-03 EP EP11008745.9A patent/EP2481865B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2481865A3 (en) | 2013-03-06 |
EP2481865A2 (en) | 2012-08-01 |
DE102011009673A1 (en) | 2012-08-02 |
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