EP2466008A2 - Device for anchoring a second concrete component to a first concrete component, in particular a parapet on the superstructure of a bridge - Google Patents
Device for anchoring a second concrete component to a first concrete component, in particular a parapet on the superstructure of a bridge Download PDFInfo
- Publication number
- EP2466008A2 EP2466008A2 EP11189499A EP11189499A EP2466008A2 EP 2466008 A2 EP2466008 A2 EP 2466008A2 EP 11189499 A EP11189499 A EP 11189499A EP 11189499 A EP11189499 A EP 11189499A EP 2466008 A2 EP2466008 A2 EP 2466008A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- concrete component
- anchor bolt
- concrete
- shaped
- shaped element
- 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.)
- Granted
Links
- 238000004873 anchoring Methods 0.000 title claims description 8
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000009435 building construction Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 33
- 239000000463 material Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 229920002457 flexible plastic Polymers 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
Definitions
- the invention relates to a device for anchoring a second concrete component to a first concrete component according to the preamble of claim 1.
- the invention relates to a device for anchoring a second concrete component on a first concrete component, preferably a cap on an engineering structure, with an anchor bolt head ( Head nut, in particular top plate), which is intended to be installed in the two concrete components, and a molded element with sliding plate, which is intended for installation in the second concrete component, wherein the anchor bolt anchored head through an opening in the mold element and the sliding plate in the first concrete component becomes.
- a sealing element sealing element for permanent sealing of the penetration of the bridge seal can be arranged.
- plate anchors To anchor a concrete cap on the superstructure of a bridge structure so-called plate anchors are known. These plate anchors exist in a rigid and movable design and have flanges to seal the penetration of the bridge seal by means of contact pressure. Both flanges are connected in different ways, displaceable or non-displaceable, non-positively connected and anchored respectively in the first concrete component or in the second concrete component.
- Embodiments of plate anchors are for example from the DE 201 01 365 U1 and the DE 20 2007 017 356 U1 known.
- the plate anchors described there have an anchor bolt, which extends into both concrete components, and at least one plate-shaped form element, which is penetrated by the anchor bolt.
- the dish-shaped form element is pressed by means of a cap bolt arranged on the head nut to the adjacent concrete component, whereby a sealing function is realized.
- Another plate anchor is from the EP 2 042 657 A1 known. There it is described not to anchor the anchor bolt on its upper side directly into the concrete. Rather, according to the EP 2 042 657 A1 the anchor bolt between its upper end and the plate-shaped Form element, which in the EP 2 042 657 A1 Moving bearing is called, surrounded by a deformable body. The deformability is intended to prevent damage to the anchor by horizontal forces. Such horizontal forces can occur, for example, during shrinkage of the freshly poured concrete or due to thermal contraction. However, the plate anchor is the EP 2 042 657 A1 comparatively complex.
- the object of the invention is to provide a device for anchoring two concrete components, which ensures a reliable, smooth displacement of the second concrete component on the first concrete component, the function of the bridge seal in the occurrence of a displacement of the concrete components to each other does not affect a particular large bridges occurring particularly large Displacement of the concrete components allows each other constraint-free and for new construction and renovation of engineering structures, especially bridges, is suitable. Furthermore, the device should be particularly easy to handle and inexpensive to manufacture.
- the opening in the mold element is designed such that the mold element can completely compensate for the displacements occurring between the concrete components, in particular horizontal displacements, and thus the anchor bolt exclusively axial tensile forces from the second concrete component in the first concrete component transfers. Accordingly, it is provided that the opening in the form of element, in particular in the sliding part, a slot, so that the mold element for receiving displacements, in particular horizontal displacements between the two concrete components relative to the anchor bolt displaceable, in particular horizontally displaceable.
- the mold element and the anchor bolt in a direction perpendicular to the longitudinal axis of the anchor bolt direction, that is usually in the horizontal direction, executed to each other displaced.
- This mobility has consequences for the design of the overall device.
- the mold element according to the invention cannot accommodate horizontal movements, the mold element according to the invention not only the sealing function, which was ensured by the flange according to the prior art, but also the functionality of the deformable body EP 2 042 657 A1 take.
- the form element can fulfill the following functions with a preferably oval slot: creation of a cavity for constraint-free displacement of the second concrete component on the first concrete component in the longitudinal direction of the bridge and perpendicular thereto, receiving and protecting the sealing area of the sealing disc with sealing compound for a permanent seal the first concrete component, sealing function against penetrating concrete in the cavity of the formula element and fixing and alignment function for the sliding plate and the anchor bolt with head nut.
- the device according to the invention in contrast to the known devices waive flanges for sealing and deformation body to ensure the displaceability. Instead, the sealing of the penetration of the sealing element by the anchor bolt can not be ensured by means of contact pressure, but on the basis of adhesion.
- the device according to the invention can enable a displacement of the second component on the first component of up to 25 mm, which extends the range of applications for jointless bridge caps to a total length of 1000 m.
- the first concrete component may be the superstructure of a bridge and the second concrete component may be a cap.
- the anchor bolt in the first concrete component of the anchor bolt can be embedded in concrete, or it can be provided to provide a hole in the hardened concrete, in which the anchor bolt is anchored as a dowel.
- it can be provided to anchor a threaded sleeve for the anchor bolt in the first concrete component as a dowel or constructivebeton Schl, then to screw the anchor bolt with the threaded sleeve.
- this is preferably embedded in concrete.
- the molding element has a cavity.
- a space is created by the mold element through which the anchor bolt is guided.
- a hollow molding element provides a large contact surface with the second concrete component with a low material expenditure, so that a particularly good bond between the molding element and the second concrete component is provided.
- this embodiment of the formula element ensures that after the concrete element has been cast in around the anchor bolt, there remains a cavity which assists the relative movement between the second concrete component and the anchor bolt made possible by the slot.
- the wall of the molding element is thin compared to the dimensions of the cavity, preferably viewed in the horizontal direction.
- the mold element has a planar edge region for abutment with the first concrete component.
- such a configuration ensures a particularly good sealing effect with respect to the first concrete component, in particular with respect to a sealing element arranged thereon.
- the mold element has an opening to the cavity, which is surrounded by the planar edge region.
- a further advantageous embodiment of the invention is that the molding element is formed in several parts with a, preferably plate-shaped, sliding part and a foot part, wherein the slot is arranged in the sliding part. Due to the multi-part design a particularly simple production, especially in complex geometries, possible. At the preferably hollow foot part, the planar edge region is expediently arranged for abutment with the first concrete component. Furthermore, it can be provided that the shaped element, in particular the foot part, has an injection opening. This injection port can serve the injection of sealant and is closed before concreting.
- the sliding part according to the invention in addition to the anchor rod with top plate, be an essential part in the transmission of tensile forces from the second concrete component in the first concrete component.
- the sliding part is made of metal and / or that the foot part is made of plastic.
- the head nut which may be designed in particular as a head plate, may also be made of metal.
- the sliding part, the top plate and / or the foot part may also be coated with another material.
- the head nut on its sliding plate and / or the sliding plate be coated on its side facing the head nut with a friction-reducing layer, in particular Teflon.
- the sliding part can also be made of other materials. It must be able to transmit the forces from the anchor head into the second component, be dimensionally stable and have a flat, smooth surface as possible.
- the foot part can also be made from all kinds of dimensionally stable materials. However, it must be able to absorb the concrete pressure during concreting of the second component.
- the foot part has at least one projection which projects into the slot in the sliding part.
- a form-fitting connection between the foot part and the sliding part can be produced, which allows a particularly simple assembly.
- a plurality of such projections are provided.
- the shaped element is formed in cross-section and / or in longitudinal section at least partially mushroom-shaped with a shank region and a widened region.
- the shank region and the widened region are suitably formed at least in regions on the foot part.
- the broadening of the formula element, which can also be referred to as a thrust foot, in the lower area assists the fitter to align the entire anchor, in particular the slide plate and / or the top plate, parallel to the surface of the first concrete component. This can be particularly reliably prevented that the thrust foot tilts before the anchor is completely installed.
- a particularly good force transmission between the second concrete component and the form element can be made possible by a mushroom-shaped configuration.
- the opening and / or the planar edge region of the molding element, which are intended to bear against the first concrete component are expediently provided in the widened region.
- the slot and / or the sliding part are suitably provided on the shaft area.
- a further advantageous development of the invention is that a cap for covering, for example, rectangular, elongated hole in the slide and the head nut, in particular the top plate, is provided.
- a cap for covering, for example, rectangular, elongated hole in the slide and the head nut, in particular the top plate, is provided.
- the cap can be prevented in a particularly reliable manner that when Einbetonieren the formula element liquid concrete reaches the slot, where it could potentially affect the function of the slot.
- the cap may comprise a plastic material.
- the cap is fixed by means of a snap connection on the mold element.
- the assembly is further simplified.
- the cap has at least one rib for fixing and / or aligning the head nut.
- the head nut for example, does not inadvertently loosen during assembly, so that the reliability is increased even further.
- a plurality of such ribs are provided.
- the shaped element has at least one rib, in particular four ribs, for, preferably centric, fixing of the anchor bolt during assembly.
- This at least one rib is expediently arranged in the shaft region of the formula element.
- the shaped element has at least one removable extension body, which can be arranged in particular between the plate-shaped sliding part and the foot part.
- the expansion body is expediently designed in the shape of a frame and / or with a cavity for passing the anchor bolt.
- the expansion body can be positively positioned on the foot part, and the plate-shaped sliding part can in turn be positively positioned on the expansion body. If a plurality of expansion bodies are provided, these can also be positioned positively relative to each other.
- the mold element preferably rests on the bridge seal only by its own weight, including the weight of the sliding part and the head nut.
- the form element serves as a lost formwork to create a free space that allows the displacement. At the same time it carries the sliding part and in the case of installation, the head nut and the anchor rod until it is anchored in the first concrete component, and also serves to align the overall construction.
- the seal must not be made by contact pressure, but by adhesion or sealing compounds in conjunction with sealing washers. According to the invention, a strict separation of the function "sealing" from the function "shifting" can be realized.
- the invention also encompasses a construction with a first concrete component, a second concrete component and a device according to the invention, wherein the anchor bolt is anchored in the first concrete component, in particular dowelled or concreted in, and the molding element is installed in the second concrete component, in particular cast.
- FIG. 1 An inventive construction with a first embodiment of an inventive device is in the Figures 1 and 2 shown.
- the building construction has a lower first concrete component 1 and a second concrete component lying above it 2, wherein the concrete components 1 and 2 are connected by means of an inventive device.
- a layer-shaped sealing element 5 is arranged between the two concrete components 1 and 2, a layer-shaped sealing element 5 is arranged.
- the sealing element 5 may in particular be a bridge seal, which preferably does not have to be attributed to the device according to the invention.
- the device has an anchor bolt 10 which is anchored in the first concrete component 1, for example cast in or dowelled, and which projects through the sealing element 5 into the region of the second concrete component 2.
- the device further comprises a molding element 20 which is cast in the second concrete component 2. Inside the molding element 20 there is an air-filled cavity 26.
- the molding element 20 has an opening towards the cavity 26, wherein the opening is surrounded by a planar edge region 21. At this planar edge region 21, the mold element 20 rests on the sealing element 5.
- the mold element 20 is formed in two parts and has a metallic, plate-shaped sliding part 22 and a foot part 23 made of plastic.
- the sliding part 22 is arranged in the upper area of the molding element 20.
- the planar edge region 21 is located on the foot part 23.
- the sliding part 22 of the molding element 20 has a slot 29 formed as an opening.
- Fig. 1 shows is passed through this slot 29 of the anchor bolt 10.
- the anchor bolt 10 has an external thread 14.
- a head nut 12 is screwed, which may for example have a rectangular peripheral shape, and then may also be referred to as a head plate.
- the head nut 12 has an internal thread which is provided with a coating for securing the screw. The head nut 12 bears against the sliding part 22 of the element 20.
- connection there is a connection between the anchor bolt 10 installed in the first concrete component 1 and the molded element 20 cast in the second concrete component 2, since the opening provided in the form member 20 for the anchor bolt 10 is formed as a slot 29, this connection permits a horizontal movement the element 20 relative to the anchor bolt 10, so that the device a horizontal movement of the second concrete component 2 relative to the first concrete component 1, as may occur, for example, in a shrinkage of the concrete or due to thermal contraction, can be added.
- the mold element 20 is at the same time by means of the head nut 12 on the sealing element 5, so that at the planar edge portion 21 of the mold element 20 a sealing area is formed, which seals the cavity 26 and thus the anchor bolt 10 located therein relative to the environment.
- planar edge region 21 may be provided with a suitable sealing construction, for example a sealing lip made of flexible plastic or a foam seal to compensate for any unevenness.
- the mold element thus has a double function, in which it serves on the one hand for receiving horizontal movements and on the other hand has a sealing function.
- the inventive device further comprises a cap 40 which surrounds the slot 29, the head nut 12 and the head nut end of the anchor bolt 10. This cap protects the slot 29 when concreting the second concrete component. 2
- FIGS. 3 to 7 Another embodiment of an inventive device is in the FIGS. 3 to 7 illustrated, in which the sake of clarity, the anchor bolt 10 is not shown in these figures. That in the FIGS. 3 to 7 illustrated embodiment is a modification of the embodiment of Figures 1 and 2 and is based essentially on the same operating principle as the embodiment of the Figures 1 and 2 , Therefore, in the following, only the differences from the embodiment of Figures 1 and 2 explained. Incidentally, to the FIGS. 3 to 7 Reference is made to the above statements, which are also valid there.
- the foot part 23 of the mold element 20 is, conversely, mushroom-shaped and has both a longitudinal section (FIG. Fig. 4 ) as well as in cross section ( Fig. 6 ) has a shank region 31 with substantially vertically extending walls and a widened region 32 extending below the shank region 31 with at least partially oblique walls.
- this widened region 32 the outside diameter of the molding element 20 measured in the horizontal direction and the diameter of the cavity 26 located in the interior of the molding element 20 measured in the horizontal direction increases towards the bottom.
- the inventive shape with shaft portion 31 and then widened area 32 allows a particularly good integration of the element 20 in the second concrete element 2 and ensures easy installation and alignment of the entire device, as well as the parallelism of the sliding plate 22 and the head nut 12 to the surface of the first concrete component 1 and / or the sealing element. 5
- the mold element 20 has an injection opening 90 in its foot part 23, preferably in the widened region 32. This can be used for example for Nachinjifug of sealant in the sealing cap.
- the injection port 90 is expediently before the conclusion of the assembly, in particular before concreting the second concrete component 2, closed, for example by means of a cap, not shown.
- the mold element 20 in the embodiment of the FIGS. 3 to 7 Projections 24, which extend into the slot 29 of the voltage applied to the foot part 23 sliding part 22. By these projections 24, a positive connection is formed, which limits a horizontal movement of the sliding member 22 relative to the foot part 23.
- the cap 40 is secured by a snap closure on the mold element 20.
- This snap closure is formed by snap latches 50, which are integrally formed on the cap 40 consisting of a plastic material, and which engage around the sliding part 22 in the fixed state of the cap 40.
- snap latches 50 which are integrally formed on the cap 40 consisting of a plastic material, and which engage around the sliding part 22 in the fixed state of the cap 40.
- ribs 45 are provided, which secure the head nut 12 against rotation in the fixed state of the cap 40 and center the head nut 12 on the slide member 22 and align parallel.
- the cap 40 is provided at its lower, the slide member 22 aligned edge with a raised edge, which prevents ingress of concrete into the cavity under the cap 40.
- the mold element 20 has four ribs 60 for centrally fixing the anchor bolt 10 during assembly. These vertically extending ribs 60 are arranged in the shaft region 31 of the formula element.
- the molding element 20 may comprise an expansion body 71 (FIG. FIG. 8 middle) or a plurality of expansion bodies 71, 72 (FIG. FIG. 8 right), which are arranged between the foot part 23 and the sliding part 22.
- expansion bodies 71, 72 By means of these expansion bodies 71, 72, the anchoring depth of the anchor bolt 10, in particular in the second concrete component 2, can be made variable, which results in different levels of absorbable tensile loads.
- the expansion bodies 71, 72 and a correspondingly long anchor bolt 10 so the range of applications is greatly expanded and made more flexible in a simple way. In particular, different load classes can be realized with one construction.
- the extension bodies 71, 72 are designed in the shape of a frame and are formed by means of the projections 24 (FIG. Fig. 4 ) is positioned on the foot part 23.
- the expansion bodies 71, 72 may have corresponding projections for positioning the sliding part 22 or possibly further expansion bodies 71, 72 present.
- the foot part 23 of FIG. 8 is according to the embodiment of FIGS. 3 to 7 is formed, in addition, a sealing lip 80, for example made of flexible plastic, for sealing the molding element 20, in particular its foot part 23, relative to the first concrete component 1 and / or the sealing element 5 is provided.
- a sealing lip 80 for example made of flexible plastic, for sealing the molding element 20, in particular its foot part 23, relative to the first concrete component 1 and / or the sealing element 5 is provided.
- a sealing lip can also in the embodiments of FIGS. 1 to 7 be used.
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Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Verankerung eines zweiten Betonbauteils an einem ersten Betonbauteil gemäss dem Oberbegriff des Anspruchs 1. Insbesondere betrifft die Erfindung eine Vorrichtung zur Verankerung eines zweiten Betonbauteils auf einem ersten Betonbauteil, vorzugsweise einer Kappe auf einem Ingenieurbauwerk, mit einem Ankerbolzen mit Kopf (Kopfmutter, insbesondere Kopfplatte), der zum Einbau in die beiden Betonbauteile vorgesehen ist, und einem Formelement mit Gleitplatte, das zum Einbau in das zweite Betonbauteil vorgesehen ist, wobei der Ankerbolzen mit Kopf durch eine Öffnung im Formelement und der Gleitplatte hindurch im erstem Betonbauteil verankert wird. Vorzugsweise kann im Formelement eine Dichtscheibe zur dauerhaften Abdichtung der Durchdringung der Brückenabdichtung angeordnet sein.The invention relates to a device for anchoring a second concrete component to a first concrete component according to the preamble of claim 1. In particular, the invention relates to a device for anchoring a second concrete component on a first concrete component, preferably a cap on an engineering structure, with an anchor bolt head ( Head nut, in particular top plate), which is intended to be installed in the two concrete components, and a molded element with sliding plate, which is intended for installation in the second concrete component, wherein the anchor bolt anchored head through an opening in the mold element and the sliding plate in the first concrete component becomes. Preferably, in the form of a sealing element sealing element for permanent sealing of the penetration of the bridge seal can be arranged.
Zur Verankerung einer Betonkappe am Überbau eines Brückenbauwerks sind sogenannte Telleranker bekannt. Diese Telleranker existieren in starrer und verschiebbarer Ausführung und besitzen Flansche zur Abdichtung der Durchdringung der Brückenabdichtung mittels Anpressdruck. Beide Flansche sind auf verschiedene Art, verschiebbar oder nicht verschiebbar, kraftschlüssig verbunden und jeweils im ersten Betonbauteil bzw. im zweiten Betonbauteil verankert.To anchor a concrete cap on the superstructure of a bridge structure so-called plate anchors are known. These plate anchors exist in a rigid and movable design and have flanges to seal the penetration of the bridge seal by means of contact pressure. Both flanges are connected in different ways, displaceable or non-displaceable, non-positively connected and anchored respectively in the first concrete component or in the second concrete component.
Ausführungsbeispiele von Tellerankern sind beispielsweise aus der
Ein weiterer Telleranker ist aus der
Aufgabe der Erfindung ist es, eine Vorrichtung zur Verankerung zweier Betonbauteile anzugeben, die eine zuverlässige, leichtgängige Verschiebung des zweiten Betonbauteils auf dem ersten Betonbauteil sicherstellt, die Funktion der Brückenabdichtung beim Auftreten einer Verschiebung der Betonbauteile zueinander nicht beeinträchtigt, eine insbesondere an Grossbrücken auftretende besonders grosse Verschiebung der Betonbauteile zueinander zwängungsfrei ermöglicht und für Neubau und Sanierung von Ingenieurbauwerken, speziell Brücken, geeignet ist. Weiterhin soll die Vorrichtung besonders einfach handhabbar und günstig in der Herstellung sein.The object of the invention is to provide a device for anchoring two concrete components, which ensures a reliable, smooth displacement of the second concrete component on the first concrete component, the function of the bridge seal in the occurrence of a displacement of the concrete components to each other does not affect a particular large bridges occurring particularly large Displacement of the concrete components allows each other constraint-free and for new construction and renovation of engineering structures, especially bridges, is suitable. Furthermore, the device should be particularly easy to handle and inexpensive to manufacture.
Die Aufgabe wird erfindungsgemäss durch eine Vorrichtung mit den Merkmalen des Anspruchs 1 gelöst. Bevorzugte Ausführungsformen sind in den abhängigen Ansprüchen angegeben.The object is achieved according to the invention by a device having the features of claim 1. Preferred embodiments are given in the dependent claims.
Ein Grundgedanke der Erfindung kann darin gesehen werden, dass die Öffnung im Formelement derart ausgebildet ist, dass das Formelement die zwischen den Betonbauteilen auftretenden Verschiebungen, insbesondere Horizontalverschiebungen, vollständig kompensieren kann, und dass somit der Ankerbolzen ausschliesslich axiale Zugkräfte vom zweiten Betonbauteil in das erste Betonbauteil überträgt. Demgemäss ist vorgesehen, dass die Öffnung im Formelement, insbesondere in dessen Gleitteil, ein Langloch ist, so dass das Formelement zum Aufnehmen von Verschiebungen, insbesondere Horizontalverschiebungen, zwischen den beiden Betonbauteilen relativ zum Ankerbolzen verschiebbar, insbesondere horizontal verschiebbar ist.A basic idea of the invention can be seen in that the opening in the mold element is designed such that the mold element can completely compensate for the displacements occurring between the concrete components, in particular horizontal displacements, and thus the anchor bolt exclusively axial tensile forces from the second concrete component in the first concrete component transfers. Accordingly, it is provided that the opening in the form of element, in particular in the sliding part, a slot, so that the mold element for receiving displacements, in particular horizontal displacements between the two concrete components relative to the anchor bolt displaceable, in particular horizontally displaceable.
Erfindungsgemäss sind somit das Formelement und der Ankerbolzen in einer senkrecht zur Längsachse des Ankerbolzens verlaufenden Richtung, also in der Regel in Horizontalrichtung, zueinander verschiebbar ausgeführt. Diese Beweglichkeit hat Folgen für die Konzeption der Gesamtvorrichtung. Denn da erfindungsgemäss das Formelement Horizontalbewegungen aufnehmen kann, kann das Formelement nach der Erfindung nicht nur die Abdichtfunktion, die gemäss dem Stand der Technik durch die Flanschelemente gewährleistet wurde, sondern zusätzlich auch die Funktionalität des verformbaren Körpers der
Das Formelement kann aufgrund der erfindungsgemässen Ausgestaltung mit einem, vorzugsweise ovalen, Langloch folgende Funktionen erfüllen: Schaffung eines Hohlraumes für zwängungsfreie Verschiebung vom zweiten Betonbauteil auf dem ersten Betonbauteil in Brückenlängsrichtung und senkrecht dazu, Aufnahme und Schutz des Dichtungsbereiches der Dichtscheibe mit Dichtmasse für eine dauerhafte Abdichtung des ersten Betonbauteils, Abdichtfunktion gegenüber eindringendem Beton in den Hohlraum des Formelements und Fixier- und Ausrichtfunktion für die Gleitplatte und den Ankerbolzen mit Kopfmutter. Dabei besteht erfindungsgemäss die Möglichkeit einer variablen Verankerungstiefe des Ankerbolzens im zweiten Betonbauteil, wobei im Gebrauchszustand eine ausschliesslich axiale Zugbelastung im Ankerbolzen sichergestellt wird. Vorteilhafterweise kann die Vorrichtung gemäss Erfindung im Gegensatz zu den bekannten Vorrichtungen auf Flansche zur Abdichtung und Verformungskörper zur Sicherstellung der Verschiebbarkeit verzichten. Stattdessen kann die Abdichtung der Durchdringung des Dichtelements durch den Ankerbolzen nicht mittels Anpressdruck, sondern auf Adhäsionsbasis gewährleistet werden.Due to the configuration according to the invention, the form element can fulfill the following functions with a preferably oval slot: creation of a cavity for constraint-free displacement of the second concrete component on the first concrete component in the longitudinal direction of the bridge and perpendicular thereto, receiving and protecting the sealing area of the sealing disc with sealing compound for a permanent seal the first concrete component, sealing function against penetrating concrete in the cavity of the formula element and fixing and alignment function for the sliding plate and the anchor bolt with head nut. According to the invention, there is the possibility of a variable anchoring depth of the anchor bolt in the second concrete component, wherein in the condition of use an exclusively axial tensile load is ensured in the anchor bolt. Advantageously, the device according to the invention, in contrast to the known devices waive flanges for sealing and deformation body to ensure the displaceability. Instead, the sealing of the penetration of the sealing element by the anchor bolt can not be ensured by means of contact pressure, but on the basis of adhesion.
Weiterhin kann die erfindungsgemässe Vorrichtung im Gegensatz zu bisherigen Vorrichtungen (12-15 mm) eine Verschiebbarkeit des zweitens Bauteils auf dem ersten Bauteil von bis zu 25 mm ermöglichen, was das Einsatzspektrum für fugenlose Brückenkappen bis auf 1000 m Gesamtlänge erweitert.Furthermore, in contrast to previous devices (12-15 mm), the device according to the invention can enable a displacement of the second component on the first component of up to 25 mm, which extends the range of applications for jointless bridge caps to a total length of 1000 m.
Insbesondere kann es sich bei dem ersten Betonbauteil um den Überbau einer Brücke und beim zweiten Betonbauteil um eine Kappe handeln. Zum Einbau des Ankerbolzens im ersten Betonbauteil kann der Ankerbolzen einbetoniert werden, oder es kann vorgesehen sein, im ausgehärteten Beton ein Loch vorzusehen, in welches der Ankerbolzen als Dübel verankert wird. Alternativ kann vorgesehen sein, eine Gewindehülse für den Ankerbolzen in das erste Betonbauteil als Dübel zu verankern oder einzubetonieren, um anschliessend den Ankerbolzen mit der Gewindehülse zu verschrauben. Zum Einbau des Formelements im zweiten Betonbauteil wird dieses vorzugsweise einbetoniert.In particular, the first concrete component may be the superstructure of a bridge and the second concrete component may be a cap. To install the anchor bolt in the first concrete component of the anchor bolt can be embedded in concrete, or it can be provided to provide a hole in the hardened concrete, in which the anchor bolt is anchored as a dowel. Alternatively it can be provided to anchor a threaded sleeve for the anchor bolt in the first concrete component as a dowel or einzubetonieren, then to screw the anchor bolt with the threaded sleeve. For installation of the element in the second concrete element element this is preferably embedded in concrete.
Besonders bevorzugt ist es, dass das Formelement einen Hohlraum aufweist. Damit wird durch das Formelement ein Raum geschaffen, durch welchen der Ankerbolzen geführt wird. Ein hohles Formelement stellt einerseits bei geringem Materialaufwand eine grosse Kontaktfläche mit dem zweiten Betonbauteil zur Verfügung, so dass ein besonders guter Verbund zwischen dem Formelement und dem zweiten Betonbauteil gegeben ist. Andererseits sorgt diese Ausführung des Formelements dafür, dass nach dem Einbetonieren des Formelements um den Ankerbolzen herum ein Hohlraum verbleibt, der die vom Langloch ermöglichte Relativbewegung zwischen dem zweiten Betonbauteil und dem Ankerbolzen unterstützt. Insbesondere kann vorgesehen sein, dass die Wandung des Formelements dünn verglichen mit den Abmessungen des Hohlraums ist, vorzugsweise in Horizontalrichtung betrachtet.It is particularly preferred that the molding element has a cavity. Thus, a space is created by the mold element through which the anchor bolt is guided. On the one hand, a hollow molding element provides a large contact surface with the second concrete component with a low material expenditure, so that a particularly good bond between the molding element and the second concrete component is provided. On the other hand, this embodiment of the formula element ensures that after the concrete element has been cast in around the anchor bolt, there remains a cavity which assists the relative movement between the second concrete component and the anchor bolt made possible by the slot. In particular, it can be provided that the wall of the molding element is thin compared to the dimensions of the cavity, preferably viewed in the horizontal direction.
Insbesondere im Hinblick auf die Standsicherheit kann es zusätzlich oder alternativ vorteilhaft sein, dass das Formelement einen planaren Randbereich zur Anlage am ersten Betonbauteil aufweist. Darüber hinaus gewährleistet eine solche Ausgestaltung eine besonders gute Dichtwirkung gegenüber dem ersten Betonbauteil, insbesondere gegenüber einem hieran angeordneten Dichtelement. Zweckmässigerweise weist das Formelement eine Öffnung zum Hohlraum hin auf, die vom planaren Randbereich umgeben ist.In particular, with regard to the stability, it may additionally or alternatively be advantageous that the mold element has a planar edge region for abutment with the first concrete component. In addition, such a configuration ensures a particularly good sealing effect with respect to the first concrete component, in particular with respect to a sealing element arranged thereon. Conveniently, the mold element has an opening to the cavity, which is surrounded by the planar edge region.
Eine weitere vorteilhafte Ausgestaltung der Erfindung besteht darin, dass das Formelement mehrteilig mit einem, vorzugsweise plattenförmigen, Gleitteil und einem Fussteil ausgebildet ist, wobei das Langloch im Gleitteil angeordnet ist. Durch die mehrteilige Ausgestaltung ist eine besonders einfache Fertigung, insbesondere bei komplexen Geometrien, möglich. Am vorzugsweise hohlen Fussteil ist zweckmässigerweise der planare Randbereich zur Anlage am ersten Betonbauteil angeordnet. Weiterhin kann vorgesehen sein, dass das Formelement, insbesondere das Fussteil, eine Injektionsöffnung aufweist. Diese Injektionsöffnung kann der Injektion von Dichtmasse dienen und wird vor dem Betonieren verschlossen.A further advantageous embodiment of the invention is that the molding element is formed in several parts with a, preferably plate-shaped, sliding part and a foot part, wherein the slot is arranged in the sliding part. Due to the multi-part design a particularly simple production, especially in complex geometries, possible. At the preferably hollow foot part, the planar edge region is expediently arranged for abutment with the first concrete component. Furthermore, it can be provided that the shaped element, in particular the foot part, has an injection opening. This injection port can serve the injection of sealant and is closed before concreting.
Das Gleitteil kann erfindungsgemäss, neben der Ankerstange mit Kopfplatte, ein wesentliches Teil bei der Übertragung von Zugkräften vom zweiten Betonbauteil in das erste Betonbauteil sein.The sliding part according to the invention, in addition to the anchor rod with top plate, be an essential part in the transmission of tensile forces from the second concrete component in the first concrete component.
Darüber hinaus ist es bevorzugt, dass das Gleitteil aus Metall gefertigt ist und/oder dass das Fussteil aus Kunststoff gefertigt ist. Hierdurch wird bei besonders geringen Materialkosten eine besonders gute Kraftaufnahme erreicht. Die Kopfmutter, die insbesondere als Kopfplatte ausgeführt sein kann, kann ebenfalls aus Metall gefertigt sein. Gegebenenfalls können das Gleitteil, die Kopfplatte und/oder das Fussteil auch mit einem anderen Material beschichtet sein. Beispielsweise kann die Kopfmutter an ihrer der Gleitplatte und/oder die Gleitplatte an ihrer der Kopfmutter zugewandten Seite mit einer reibungsmindernden Schicht, insbesondere Teflon, beschichtet sein. Das Gleitteil kann auch aus anderen Werkstoffen gefertigt werden. Es muss die Kräfte vom Ankerkopf in das zweite Bauteil übertragen können, formstabil sein und einen ebene, möglichst glatte Oberfläche besitzen. Auch das Fussteil kann aus allen möglichen formstabilen Werkstoffen gefertigt werden. Es muss jedoch den Betondruck während des Betonierens des zweiten Bauteils aufnehmen können.Moreover, it is preferred that the sliding part is made of metal and / or that the foot part is made of plastic. As a result, a particularly good power consumption is achieved at very low material costs. The head nut, which may be designed in particular as a head plate, may also be made of metal. Optionally, the sliding part, the top plate and / or the foot part may also be coated with another material. For example, the head nut on its sliding plate and / or the sliding plate be coated on its side facing the head nut with a friction-reducing layer, in particular Teflon. The sliding part can also be made of other materials. It must be able to transmit the forces from the anchor head into the second component, be dimensionally stable and have a flat, smooth surface as possible. The foot part can also be made from all kinds of dimensionally stable materials. However, it must be able to absorb the concrete pressure during concreting of the second component.
Gemäss einer weiteren zweckmässigen Ausführungsform kann vorgesehen sein, dass das Fussteil zumindest einen Vorsprung aufweist, der in das Langloch im Gleitteil hineinragt. Hierdurch kann eine Formschlussverbindung zwischen Fussteil und Gleitteil hergestellt werden, der eine besonders einfache Montage ermöglicht. Geeigneterweise sind mehrere solcher Vorsprünge vorgesehen.According to a further expedient embodiment it can be provided that the foot part has at least one projection which projects into the slot in the sliding part. In this way, a form-fitting connection between the foot part and the sliding part can be produced, which allows a particularly simple assembly. Suitably, a plurality of such projections are provided.
Weiterhin ist es besonders zweckmässig, dass das Formelement im Querschnitt und/oder im Längsschnitt zumindest bereichsweise pilzförmig mit einem Schaftbereich und einem verbreiterten Bereich ausgebildet ist. Der Schaftbereich und der verbreiterte Bereich sind geeigneterweise zumindest bereichsweise am Fussteil gebildet. Die Verbreiterung des Formelements, das auch als Schubfuss bezeichnet werden kann, im unteren Bereich unterstützt den Monteur dabei, den gesamten Anker, speziell die Gleitplatte und/oder die Kopfplatte, parallel zur Oberfläche des ersten Betonbauteils auszurichten. Hierdurch kann besonders zuverlässig verhindert werden, dass der Schubfuss kippt bevor der Anker fertig eingebaut ist. Darüber hinaus kann durch eine pilzförmige Ausgestaltung eine besonders gute Kraftübertragung zwischen dem zweiten Betonbauteil und dem Formelement ermöglicht werden. Die Öffnung und/oder der planare Randbereich des Formelements, die zur Anlage am ersten Betonbauteil vorgesehen sind, sind zweckmässigerweise im verbreiterten Bereich vorgesehen. Das Langloch und/oder das Gleitteil sind geeigneterweise am Schaftbereich vorgesehen.Furthermore, it is particularly expedient that the shaped element is formed in cross-section and / or in longitudinal section at least partially mushroom-shaped with a shank region and a widened region. The shank region and the widened region are suitably formed at least in regions on the foot part. The broadening of the formula element, which can also be referred to as a thrust foot, in the lower area assists the fitter to align the entire anchor, in particular the slide plate and / or the top plate, parallel to the surface of the first concrete component. This can be particularly reliably prevented that the thrust foot tilts before the anchor is completely installed. In addition, a particularly good force transmission between the second concrete component and the form element can be made possible by a mushroom-shaped configuration. The opening and / or the planar edge region of the molding element, which are intended to bear against the first concrete component, are expediently provided in the widened region. The slot and / or the sliding part are suitably provided on the shaft area.
Eine weitere vorteilhafte Weiterbildung der Erfindung liegt darin, dass eine Abdeckkappe zum Abdecken des, beispielsweise rechteckigen, Langlochs im Gleitteil und der Kopfmutter, insbesondere der Kopfplatte, vorgesehen ist. Mittels solch einer Abdeckkappe kann in besonders zuverlässiger Weise verhindert werden, dass beim Einbetonieren des Formelements Flüssigbeton zum Langloch gelangt, wo er potenziell die Funktion des Langlochs beeinträchtigen könnte. Insbesondere im Hinblick auf die Materialkosten kann die Abdeckkappe ein Kunststoffmaterial aufweisen.A further advantageous development of the invention is that a cap for covering, for example, rectangular, elongated hole in the slide and the head nut, in particular the top plate, is provided. By means of such a cap can be prevented in a particularly reliable manner that when Einbetonieren the formula element liquid concrete reaches the slot, where it could potentially affect the function of the slot. In particular, with regard to the cost of materials, the cap may comprise a plastic material.
Besonders zweckmässig ist es, dass die Abdeckkappe mittels einer Schnappverbindung am Formelement festgelegt ist. Hierdurch wird die Montage weiter vereinfacht.It is particularly expedient that the cap is fixed by means of a snap connection on the mold element. As a result, the assembly is further simplified.
Weiterhin kann vorgesehen sein, dass die Abdeckkappe zumindest eine Rippe zum Fixieren und/oder Ausrichten der Kopfmutter aufweist. Hierdurch kann sichergestellt werden, dass sich die Kopfmutter beispielsweise im Rahmen der Montage nicht unbeabsichtigt lockert, so dass die Zuverlässigkeit noch weiter erhöht ist. Geeigneterweise sind mehrere solcher Rippen vorgesehen.Furthermore, it can be provided that the cap has at least one rib for fixing and / or aligning the head nut. In this way it can be ensured that the head nut, for example, does not inadvertently loosen during assembly, so that the reliability is increased even further. Suitably, a plurality of such ribs are provided.
Überdies ist es vorteilhaft, dass das Formelement zumindest eine Rippe, insbesondere vier Rippen, zum, vorzugsweise zentrischen, Fixieren des Ankerbolzens während der Montage aufweist. Diese zumindest eine Rippe ist zweckmässigerweise im Schaftbereich des Formelements angeordnet.Moreover, it is advantageous that the shaped element has at least one rib, in particular four ribs, for, preferably centric, fixing of the anchor bolt during assembly. This at least one rib is expediently arranged in the shaft region of the formula element.
Weiterhin ist es bevorzugt, dass das Formelement zumindest einen abnehmbaren Erweiterungskörper aufweist, der insbesondere zwischen dem plattenförmigen Gleitteil und dem Fussteil angeordnet sein kann. Durch Hinzufügen oder Abnehmen solcher Erweiterungskörper auf das bzw. vom Fussteil kann die Höhe des Formelements und damit die Verankerungstiefe variiert werden. Der Erweiterungskörper ist zweckmässigerweise rahmenförmig und/oder mit einem Hohlraum zum Durchführen des Ankerbolzens ausgeführt. Beispielsweise kann der Erweiterungskörper formschlüssig am Fussteil positioniert sein, und das plattenförmige Gleitteil kann wiederum formschlüssig am Erweiterungskörper positioniert sein. Sofern mehrere Erweiterungskörper vorgesehen sind, können diese ebenfalls formschlüssig relativ zueinander positioniert sein.Furthermore, it is preferred that the shaped element has at least one removable extension body, which can be arranged in particular between the plate-shaped sliding part and the foot part. By adding or removing such expansion bodies on or from the foot part, the height of the element and thus the anchoring depth can be varied. The expansion body is expediently designed in the shape of a frame and / or with a cavity for passing the anchor bolt. For example, the expansion body can be positively positioned on the foot part, and the plate-shaped sliding part can in turn be positively positioned on the expansion body. If a plurality of expansion bodies are provided, these can also be positioned positively relative to each other.
Erfindungsgemäss liegt das Formelement vorzugsweise nur durch sein Eigengewicht, inklusive dem Eigengewicht des Gleitteils und der Kopfmutter, auf der Brückendichtung auf. Das Formelement dient als verlorene Schalung, um einen freien Raum zu schaffen, der die Verschiebung ermöglicht. Gleichzeitig trägt es das Gleitteil und im Montagefall auch die Kopfmutter und die Ankerstange, bis diese im ersten Betonbauteil verankert ist, und dient zusätzlich zur Ausrichtung der Gesamtkonstruktion.According to the invention, the mold element preferably rests on the bridge seal only by its own weight, including the weight of the sliding part and the head nut. The form element serves as a lost formwork to create a free space that allows the displacement. At the same time it carries the sliding part and in the case of installation, the head nut and the anchor rod until it is anchored in the first concrete component, and also serves to align the overall construction.
Erfindungsgemäss muss die Abdichtung nicht durch Anpressdruck erfolgen, sondern durch Adhäsion oder Dichtmassen in Verbindung mit Dichtscheiben. Dabei kann erfindungsgemäss eine strikte Trennung der Funktion "Abdichten" von der Funktion "Verschieben" realisiert werden.According to the invention, the seal must not be made by contact pressure, but by adhesion or sealing compounds in conjunction with sealing washers. According to the invention, a strict separation of the function "sealing" from the function "shifting" can be realized.
Die Erfindung umfasst auch eine Baukonstruktion mit einem ersten Betonbauteil, einem zweiten Betonbauteil und einer erfindungsgemässen Vorrichtung, wobei der Ankerbolzen im ersten Betonbauteil verankert, insbesondere gedübelt oder einbetoniert ist, und das Formelement in das zweite Betonbauteil eingebaut ist, insbesondere eingegossen ist.The invention also encompasses a construction with a first concrete component, a second concrete component and a device according to the invention, wherein the anchor bolt is anchored in the first concrete component, in particular dowelled or concreted in, and the molding element is installed in the second concrete component, in particular cast.
Die Erfindung wird nachfolgend anhand bevorzugter Ausführungsbeispiele näher erläutert, die schematisch in den beiliegenden Figuren dargestellt sind. In den Figuren zeigen:
- Figur 1:
- eine Querschnittsansicht einer ersten Ausführungsform der Erfindung;
- Figur 2:
- eine Draufsicht auf das Gleitteil mit dem Langloch der Ausführungsform der
Figur 1 ; - Figur 3:
- eine Seitenansicht einer zweiten Ausführungsform der Erfindung, wobei der Ankerbolzen der Übersichtlichkeit halber nicht dargestellt ist;
- Figur 4:
- die Ausführungsform aus
Figur 3 im Längsschnitt (Blickrichtung wie inFigur 3 ), wobei der Ankerbolzen der Übersichtlichkeit halber nicht dargestellt ist; - Figur 5:
- die Ausführungsform aus
Figur 3 von vorne, wobei der Ankerbolzen der Übersichtlichkeit halber nicht dargestellt ist; - Figur 6:
- die Ausführungsform aus
Figur 3 im Querschnitt (Blickrichtung wie inFigur 5 ), wobei der Ankerbolzen der Übersichtlichkeit halber nicht dargestellt ist; - Figur 7:
- eine Draufsicht auf das Gleitteil mit dem Langloch der Ausführungsform der
Figur 3 ; und - Figur 8:
- eine Längsschnittansicht einer dritten Ausführungsform der Erfindung, wobei der Ankerbolzen der Übersichtlichkeit halber nicht dargestellt ist.
- FIG. 1:
- a cross-sectional view of a first embodiment of the invention;
- FIG. 2:
- a plan view of the sliding member with the slot of the embodiment of
FIG. 1 ; - FIG. 3:
- a side view of a second embodiment of the invention, wherein the anchor bolt is not shown for clarity;
- FIG. 4:
- the embodiment of
FIG. 3 in longitudinal section (view as inFIG. 3 ), wherein the anchor bolt is not shown for clarity; - FIG. 5:
- the embodiment of
FIG. 3 from the front, the anchor bolt is not shown for clarity; - FIG. 6:
- the embodiment of
FIG. 3 in cross-section (viewing direction as inFIG. 5 ), wherein the anchor bolt is not shown for clarity; - FIG. 7:
- a plan view of the sliding member with the slot of the embodiment of
FIG. 3 ; and - FIG. 8:
- a longitudinal sectional view of a third embodiment of the invention, wherein the anchor bolt is not shown for clarity.
Gleich wirkende Elemente sind in den Figuren mit denselben Bezugszeichen gekennzeichnet.Like-acting elements are identified in the figures with the same reference numerals.
Eine erfindungsgemässe Baukonstruktion mit einem ersten Ausführungsbeispiel einer erfindungsgemässen Vorrichtung ist in den
Die Vorrichtung weist einen Ankerbolzen 10 auf, der im ersten Betonbauteil 1 verankert, beispielsweise einbetoniert oder eingedübelt ist, und der durch das Dichtelement 5 hindurch in den Bereich des zweiten Betonbauteils 2 vorsteht. Die Vorrichtung weist ferner ein Formelement 20 auf, welches in das zweite Betonbauteil 2 eingegossen ist. Im Inneren des Formelements 20 befindet sich ein luftgefüllter Hohlraum 26. Das Formelement 20 weist eine Öffnung zum Hohlraum 26 hin auf, wobei die Öffnung von einem planaren Randbereich 21 umgeben ist. An diesem planaren Randbereich 21 liegt das Formelement 20 auf dem Dichtelement 5 auf.The device has an
Das Formelement 20 ist zweiteilig ausgebildet und weist ein metallisches, plattenförmiges Gleitteil 22 sowie ein Fussteil 23 aus Kunststoff auf. Das Gleitteil 22 ist im oberen Bereich des Formelements 20 angeordnet. Der planare Randbereich 21 befindet sich am Fussteil 23.The
Wie insbesondere
Somit besteht erfindungsgemäss am Gleitteil 22 eine Verbindung zwischen dem im ersten Betonbauteil 1 eingebauten Ankerbolzen 10 und dem im zweiten Betonbauteil 2 eingegossenen Formelement 20. Da die im Formelement 20 vorgesehene Öffnung für den Ankerbolzen 10 als Langloch 29 ausgebildet ist, lässt diese Verbindung eine horizontale Bewegung des Formelements 20 relativ zum Ankerbolzen 10 zu, so dass von der Vorrichtung eine Horizontalbewegung des zweiten Betonbauteils 2 relativ zum ersten Betonbauteil 1, wie sie z.B. bei einer Schrumpfung des Betons oder aufgrund thermischer Kontraktion auftreten kann, aufgenommen werden kann. Das Formelement 20 liegt dabei gleichzeitig mittels der Kopfmutter 12 auf dem Dichtelement 5 auf, so dass am planaren Randbereich 21 des Formelementes 20 ein Dichtbereich gebildet wird, der den Hohlraum 26 und damit den hierin befindlichen Ankerbolzen 10 gegenüber der Umgebung abdichtet. Zusätzlich oder alternativ dazu kann der planare Randbereich 21 mit einer geeigneten Dichtungskonstruktion versehen sein, z.B. einer Dichtlippe aus flexiblem Kunststoff oder einer Schaumstoffdichtung zum Ausgleich eventueller Unebenheiten. Erfindungsgemäss hat das Formelement also eine Doppelfunktion inne, bei der es zum einen zur Aufnahme von Horizontalbewegungen dient und andererseits eine Abdichtfunktion hat.Thus, according to the invention, there is a connection between the
Die erfindungsgemässe Vorrichtung weist ferner eine Abdeckkappe 40 auf, die das Langloch 29, die Kopfmutter 12 und das kopfmutterseitige Ende des Ankerbolzens 10 umgibt. Diese Abdeckkappe schützt das Langloch 29 beim Betonieren des zweiten Betonbauteils 2.The inventive device further comprises a
Eine weitere Ausführungsform einer erfindungsgemässen Vorrichtung ist in den
Beim Ausführungsbeispiel der
Das Formelement 20 weist in seinem Fussteil 23, vorzugsweise im verbreiterten Bereich 32 eine Injektionsöffnung 90 auf. Diese kann beispielsweise zum Nachinjizieren von Dichtmasse in die Dichtkappe verwendet werden. Die Injektionsöffnung 90 wird zweckmässigerweise vor dem Abschluss der Montage, insbesondere vor dem Betonieren des zweiten Betonbauteils 2, verschlossen, beispielsweise mittels einer nicht dargestellten Abdeckkappe.The
Ferner weist das Formelement 20 beim Ausführungsbeispiel der
Beim Ausführungsbeispiel der
Weiter ist vorgesehen, dass das Formelement 20 vier Rippen 60 zum zentrischen Fixieren des Ankerbolzens 10 während der Montage aufweist. Diese senkrecht verlaufenden Rippen 60 sind im Schaftbereich 31 des Formelements angeordnet.It is further provided that the
Eine weitere Ausführungsform der Erfindung ist in
Die Erweiterungskörper 71, 72 sind rahmenförmig ausgebildet und werden mittels der Vorsprünge 24 (
Das Fussteil 23 der
Claims (11)
einem Ankerbolzen (10), der zum Einbau in das erste Betonbauteil (1) vorgesehen ist, einem Formelement (20), das zum Einbau in das zweite Betonbauteil (2) vorgesehen ist, wobei der Ankerbolzen (10) durch eine Öffnung im Formelement (20) hindurchgeführt ist, und
einer Kopfmutter (12), die am Ankerbolzen (10) angeordnet ist, und mit der das Formelement (20) auf dem ersten Betonbauteil (1) verankerbar ist,
dadurch gekennzeichnet,
dass die Öffnung im Formelement (20) ein Langloch (29) ist, so dass das Formelement (20) zum Aufnehmen von Verschiebungen zwischen den beiden Betonbauteilen (1, 2) relativ zum Ankerbolzen (10) verschiebbar ist.Device for anchoring a second concrete component (2) to a first concrete component (1), with
an anchor bolt (10), which is intended for installation in the first concrete component (1), a mold element (20), which is intended for installation in the second concrete component (2), wherein the anchor bolt (10) through an opening in the form element ( 20) is passed, and
a head nut (12) which is arranged on the anchor bolt (10) and with which the mold element (20) can be anchored on the first concrete component (1),
characterized,
in that the opening in the shaped element (20) is a slot (29), so that the shaped element (20) for accommodating displacements between the two concrete components (1, 2) is displaceable relative to the anchor bolt (10).
dadurch gekennzeichnet,
dass das Formelement (20) einen Hohlraum (26) und einen planaren Randbereich (21) zur Anlage am ersten Betonbauteil (1) aufweist.Device according to claim 1,
characterized,
in that the shaped element (20) has a cavity (26) and a planar edge region (21) for bearing against the first concrete component (1).
dadurch gekennzeichnet,
dass das Formelement (20) mehrteilig mit einem plattenförmigen Gleitteil (22) und einem Fussteil (23) ausgebildet ist, wobei das Langloch (29) im Gleitteil (22) angeordnet ist.Device according to one of the preceding claims,
characterized,
in that the shaped element (20) is designed in several parts with a plate-shaped sliding part (22) and a foot part (23), the slot (29) being arranged in the sliding part (22).
dass das Fussteil (23) zumindest einen Vorsprung (24) aufweist, der in das Langloch (29) im Gleitteil (22) hineinragt.Device according to claim 3,
the foot part (23) has at least one projection (24) which projects into the slot (29) in the slide part (22).
dadurch gekennzeichnet,
dass das Formelement (20) im Querschnitt und/oder im Längsschnitt zumindest bereichsweise pilzförmig mit einem Schaftbereich (31) und einem verbreiterten Bereich (32) ausgebildet ist.Device according to one of the preceding claims,
characterized,
that the shaped element (20) in the cross-section and / or in the longitudinal section at least partially mushroom-shaped with a shank region (31) and a widened region (32) is formed.
dadurch gekennzeichnet,
dass eine Abdeckkappe (40) zum Abdecken des Langlochs (29) und der Kopfmutter (12) vorgesehen ist.Device according to one of the preceding claims,
characterized,
that a covering cap (40) for covering the elongated hole (29) and the head nut (12) is provided.
dadurch gekennzeichnet,
dass die Abdeckkappe (40) mittels einer Schnappverbindung am Formelement (20) festgelegt ist.Device according to claim 6,
characterized,
in that the covering cap (40) is fixed to the form element (20) by means of a snap connection.
dadurch gekennzeichnet,
dass die Abdeckkappe (40) zumindest eine Rippe (45) zum Fixieren und/oder Ausrichten der Kopfmutter (12) aufweist.Apparatus according to claim 6 or 7,
characterized,
that the cover cap (40) has at least one rib (45) for fixing and / or aligning the head nut (12).
dadurch gekennzeichnet,
dass das Formelement (20) zumindest eine Rippe (60) zum Fixieren des Ankerbolzens (10) während der Montage aufweist.Device according to one of the preceding claims,
characterized,
that the shaped element (20) has at least one rib (60) for fixing the anchor bolt (10) during assembly.
dadurch gekennzeichnet,
dass das Formelement (20) zumindest einen abnehmbaren Erweiterungskörper (71, 72) aufweist.Device according to one of the preceding claims,
characterized,
in that the shaped element (20) has at least one removable extension body (71, 72).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010063545A DE102010063545A1 (en) | 2010-12-20 | 2010-12-20 | Device for anchoring a second concrete part to a first concrete component, in particular a cap on the superstructure of a bridge structure |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2466008A2 true EP2466008A2 (en) | 2012-06-20 |
EP2466008A3 EP2466008A3 (en) | 2015-10-28 |
EP2466008B1 EP2466008B1 (en) | 2017-07-12 |
Family
ID=45318816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11189499.4A Active EP2466008B1 (en) | 2010-12-20 | 2011-11-17 | Device for anchoring a second concrete component to a first concrete component, in particular a parapet on the superstructure of a bridge |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2466008B1 (en) |
DE (1) | DE102010063545A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015149863A1 (en) * | 2014-04-04 | 2015-10-08 | R2Di2 Ag | Bridge cap and fastening unit for fastening a bridge cap |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20101365U1 (en) | 2001-01-25 | 2001-06-28 | Schnabel, Winfried, Dipl.-Ing., 61191 Rosbach | Fixed / loose flange constructions or only loose flange constructions with an elastomeric intermediate layer |
EP2042657A1 (en) | 2007-09-26 | 2009-04-01 | HALFEN GmbH | Device for anchoring caps to the superstructure of buildings |
DE202007017356U1 (en) | 2007-12-11 | 2009-04-16 | Betomax Kunststoff- Und Metallwarenfabrik Gmbh & Co. Kg | plates anchor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5386675A (en) * | 1993-07-12 | 1995-02-07 | High Industries, Inc. | Concrete beam connection sleeve |
DE19629872B4 (en) * | 1995-10-09 | 2004-02-19 | Friedrich Schroeder Gmbh & Co. Kg | Device for anchoring concrete caps to the superstructure of buildings |
DE10109001A1 (en) * | 2001-02-23 | 2002-09-05 | Jannasch Gmbh & Co Kg Fugenkon | Anchoring device attaching concrete caps to substructure, includes sliding planes between flange and washer, and between flange and sealing layer |
-
2010
- 2010-12-20 DE DE102010063545A patent/DE102010063545A1/en not_active Withdrawn
-
2011
- 2011-11-17 EP EP11189499.4A patent/EP2466008B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20101365U1 (en) | 2001-01-25 | 2001-06-28 | Schnabel, Winfried, Dipl.-Ing., 61191 Rosbach | Fixed / loose flange constructions or only loose flange constructions with an elastomeric intermediate layer |
EP2042657A1 (en) | 2007-09-26 | 2009-04-01 | HALFEN GmbH | Device for anchoring caps to the superstructure of buildings |
DE202007017356U1 (en) | 2007-12-11 | 2009-04-16 | Betomax Kunststoff- Und Metallwarenfabrik Gmbh & Co. Kg | plates anchor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015149863A1 (en) * | 2014-04-04 | 2015-10-08 | R2Di2 Ag | Bridge cap and fastening unit for fastening a bridge cap |
US10301784B2 (en) | 2014-04-04 | 2019-05-28 | R2Di2 Ag | Bridge cap and fastening unit for fastening a bridge cap |
Also Published As
Publication number | Publication date |
---|---|
DE102010063545A1 (en) | 2012-06-21 |
EP2466008B1 (en) | 2017-07-12 |
EP2466008A3 (en) | 2015-10-28 |
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