EP2191073B1 - Formwork configuration for the cantilever construction of bridges - Google Patents
Formwork configuration for the cantilever construction of bridges Download PDFInfo
- Publication number
- EP2191073B1 EP2191073B1 EP08804532A EP08804532A EP2191073B1 EP 2191073 B1 EP2191073 B1 EP 2191073B1 EP 08804532 A EP08804532 A EP 08804532A EP 08804532 A EP08804532 A EP 08804532A EP 2191073 B1 EP2191073 B1 EP 2191073B1
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- Prior art keywords
- shuttering
- arrangement according
- arrangement
- girder
- shuttering arrangement
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000009415 formwork Methods 0.000 title abstract description 64
- 239000000725 suspension Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000009416 shuttering Methods 0.000 claims 23
- 238000003860 storage Methods 0.000 description 6
- 239000000969 carrier Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Definitions
- the invention relates to a formwork arrangement for the cantilever construction of bridges.
- cantilevered concrete bridges those formworks between which the necessary reinforcements are inserted and the concrete forming the next section shall be poured over the already established and sufficiently hardened section of the bridge.
- essentially carriers or rails are mounted at the end of the bridge section already created, in which an upper support assembly is movably mounted.
- the upper carrier arrangement can protrude in the free-living direction and / or over the lateral edge of the already created bridge section.
- Formwork for the upper area of the bridge may be attached to portions of the upper beam assembly.
- a lower support assembly may be suspended from the upper support assembly, which are provided for optionally displaceable storage of other formwork for lower portions of the bridge and / or inner formwork in the case of a hollow box profile of the bridge.
- the storage of all movable elements usually takes place by means of rollers.
- the formwork arrangement can be advanced to establish the reinforcements for the next section.
- the rails or beams on which the formwork arrangement is mounted can be extended to the last created building section.
- the DE 28 48 536 A1 relates to a similar arrangement in which sliding bearings can be provided. Other formwork arrangements from this area go from the EP 0 004 251 A1 . DE 26 60 087 B1 and US 3,989,218 out.
- the EP 1 457 601 A1 relates to a device and a method for producing in sections a prestressed concrete structure with advance formwork devices and struts, which may be supported by ball joints.
- the DE 32 47 326 A1 describes a method and a scaffold for the production of reinforced concrete bridges, in which a movable formwork is used.
- the invention has for its object to provide a formwork arrangement for the cantilever construction of bridges, which is improved in view of the versatility of usability and / or the production cost of the formwork arrangement.
- At least one lower carrier arrangement is suspended from a movably mounted upper carrier arrangement and mounted via at least one ball joint.
- the lower support assembly with respect to the upper support assembly can be inclined to some extent, which allows the realization of a particularly wide range of bridge sections.
- the power transmission can be done by means of the ball joint without bending moments.
- the upper and / or lower carrier assembly extend in particular substantially horizontal, and the suspension is largely vertical, so that due to the thus formed angle, which is approximately 90 degrees, particularly favorable balance of power can be achieved.
- the suspension of the lower support assembly can be used in particular to accommodate the weight of the formwork during adjustment and / or the concrete load simultaneously.
- the lower support assembly is currently preferred to provide the lower support assembly as a support grid or grid.
- the versatility is further improved if, as preferred, at least one suspension of the lower support assembly is provided height adjustable.
- the height adjustment can preferably be made steplessly and can be provided in an advantageous manner in the region of the upper support arrangement, and thus particularly easily and thus safely accessible. In this way, the position of individual suspensions can be adjusted individually, so that the positional relationship between the lower and upper carrier assembly can be changed particularly flexible.
- This further increases the adaptability of the formwork arrangement according to the invention to different geometries of the structures to be constructed, in particular bridges, and advantageously increases the range of use.
- At least one dome is currently being used.
- the use of at least one housing is further provided on the lower support assembly, in which the ball joint, in particular the dome is housed.
- a support which extends largely transversely to the free-living direction.
- fastening means may advantageously be used on a hollow-profile carrier, as described below, in particular those on the side flanges.
- longitudinal members of the carrier arrangement can be fastened between two housings.
- At least one carrier of the formwork arrangement according to the invention is provided as a closed, box-like hollow profile.
- the described carrier can be designed, for example, as a welded construction and composed of different sections.
- the materials and wall thicknesses of the individual sections can be adapted to those requirements that are placed on the respective section in an advantageous manner. This applies equally to machinability.
- the hollow profile carrier As mentioned, it has proved to be advantageous to assemble the hollow profile carrier from a plurality of sections in order to be able to adapt individual sections in a particularly efficient manner to the respective requirements imposed thereon.
- hollow profile beams are intended at numerous points of the formwork arrangement and leads to the advantages described, according to the invention at least one hollow profile support is used such that it extends substantially perpendicular to the free-living direction, in other words transversely thereto and largely horizontally. For carriers with this orientation, the advantages according to the invention could be realized particularly extensively.
- the hollow-profile carrier has at least one flange. Furthermore, one or more such flanges can be particularly easily realized, especially in a welded construction and allow in the form of butt welding the use of particularly simple welding process.
- At least one flange is further preferred at present for at least one flange to extend substantially horizontally in a position of use.
- At least one hollow-profile carrier has at least one grid of fastening devices, for example fastening openings. These may, for example, be provided on one or more flanges and / or on one or more sections which (as seen in cross-section) form the closed part of the hollow profile.
- fastening devices for example fastening openings.
- a grid of fastening devices with a first distance and / or a first size of fastening means at one or more other portions of the hollow profile beam is a second or further grid of fasteners having a second, different spacing between the fasteners and / or a second, different size fasteners ,
- the possibility can be created in different areas of the hollow profile carrier advantageously to attach different components and / or components with a different screening.
- the formwork arrangement according to the invention to provide at least one sliding bearing between a movable and a fixed part of the formwork arrangement, which has at least one plastic bearing part.
- plain bearings offers the following advantages over the previously used roller bearings.
- roller bearings even at low bridge radii there is a risk that the rollers may be made of the rails intended for them or "on" the rails they support Carrier sections advised and run up / ride on flanges or the like, for example. Taking into account the considerable weight of such formwork arrangements, which may be heavy, for example, several tons. There is a significant security problem to the effect that the formwork arrangement falls back after such a ride a roller bearing in the actually provided "bearing rail".
- roller bearings are problematic in structures with gradients, because for advancing the formwork arrangement usually oscillating cylinders are provided, which are supported in a first operating state on a support or a rail which is attached to an already created building section, and advance the formwork arrangement. In a second operating state, the formwork arrangement remains in place and the cylinders are retracted so that the supports are retightened. In this situation, the usually tons-heavy formwork arrangement is unsecured and can move forward on a gradient due to the roller bearings described, which represents a significant security risk.
- the plastic bearing part according to the invention significantly reduces the risk of the bearing moving out of its rail or from the support provided for storage. Furthermore, a plastic bearing part has proven to be advantageous in that it can be designed to be self-locking up to a certain gradient. Accordingly, even with structures with gradient, the formwork arrangement safely stay in place and the support, as described, be tightened. In other words, the bearing forces are calculable and can be taken into account for a defined behavior of the entire formwork arrangement, even during the second operating state described above. Finally, the plastic sliding bearing according to the invention offers a comparison with roller bearings improved, namely area force application.
- the plastic bearing part is currently preferred to provide this on a movable part of the formwork arrangement.
- the immovable part of the formwork arrangement for example, one or more rails or beams may have a considerable longitudinal extent to ensure a certain range of motion for the formwork arrangement. If you were to provide it plastic bearing parts, they would also extend over a considerable area. In that regard, for reasons of efficiency, it is currently preferred to provide the plastic bearing parts on the comparatively short moving part of the formwork arrangement or only on individual sections thereof.
- a bearing part made of metal, preferably steel proved to be favorable as a further bearing part that cooperates with the plastic bearing part.
- the sliding bearing be self-locking up to a gradient of about 5%, preferably about 6%, and more preferably up to 10%.
- a wide range of applications can be covered with a particularly secure approach.
- the attachment of the plastic bearing part can be particularly easily and efficiently done in a magnetic manner.
- the plastic bearing part can be advantageously provided as part of a sliding bearing between any movable components or sections of a formwork arrangement for the cantilever design of bridges. In first attempts, however, particularly good experiences were made when such a sliding bearing between an inner shell carriage and / or a side mold on the one hand and a fixed portion of the formwork arrangement on the other hand was provided.
- the formwork assembly 10 As in Fig. 1 can be seen, the formwork assembly 10 according to the invention, which may have an extension of a few meters, for example, of five meters, in the cantilever direction, supported on an already created section 30 of a bridge.
- the already created Bridge portion 30 cantilevered freely, and the formwork assembly 10 may be provided to create another, again cantilevered section.
- four supports 32 are attached to the already created bridge section 30 in the case shown, which essentially serve for the storage and support of the formwork arrangement 10.
- the carriers 32 essentially act as rails on which the formwork arrangement 10, as described in more detail below, is displaceably mounted.
- a state is shown in which the formwork arrangement 10, of which any formwork is not shown, has been advanced out of the last created section and is located in the situation shown immediately before the last created section.
- the support of the formwork arrangement 10 on the supports 32 in the case shown by sliding bearings 34, which cooperate substantially with the upper surfaces of the support 32.
- the forward movement is accomplished in the case shown by two hydraulic cylinders 36 which oscillate and alternately, supporting themselves on supports 38, advance the formwork assembly 10 or, while the formwork assembly 10 remains stationary, the supports 38 tighten.
- abutments 40 are provided, which can engage, for example, protruding flanges of the supports 32 in order to support the weight of the overhanging formwork arrangement.
- anchor rods may be provided for this purpose.
- the formwork arrangement comprises an upper support arrangement 12, which consists of transverse 20 and longitudinal members 42. About a plurality of rods 16 is suspended from the upper support assembly 12, a lower support assembly 14, which also has transverse 20 and longitudinal members 42.
- a lower support assembly 14 which also has transverse 20 and longitudinal members 42.
- all cross member 20 are designed as a hollow profile carrier, as described below with reference to the Fig. 2 explained in more detail.
- stabilization of the carrier arrangement can take place between the carriers 20, in particular in the case of the upper carrier arrangement 12, by additional, for example diagonally oriented struts 44.
- diagonally downwardly extending supports 46 may be provided to form the upper formwork assembly 12 with truss-like sections. It also follows that the upper support assembly, substantially in the form of the cross member 20, in the vertical direction from the surface of the bridge portion 30 is spaced so that the space located under the upper support assembly advantageously for the required work, such as the introduction of Reinforcements, is kept free. The space available for this purpose is further increased by the fact that the mentioned diagonal struts 44 are arranged in comparatively outer regions, so that the intermediate inner region can be used in a favorable manner for the delivery of reinforcement and the like.
- the suspension of the lower support assembly 14 is carried out in the example shown by a plurality of rods 16, in which the lower support assembly 14 is mounted in a special manner, which will be described in more detail below.
- the respective cross member 20 of the formwork arrangement of Fig. 1 described in more detail.
- the respective carrier 20 seen in cross section, as at the front end ( Fig. 2 ) recognizable, a closed, box-like cross section.
- This is formed in the example shown by different sections, in the case shown by two largely horizontally oriented sections 22.1 and two in the illustration largely vertical aligned web sections 22.2.
- Reference Fig. 2 is schematically seen that the horizontal portions 22.1 are slightly thicker than the web portions 22.2.
- the distance may be, for example, 20 cm and the implementation of bars 16 (see. Fig. 1 ) serve for the suspension of the lower support assembly 14.
- the profile of the carrier 20 can be described as I-profile with double center bar, so that in the region of the central web (seen in cross section) closed hollow profile is formed.
- the horizontal sections 22.1 and the web sections 22.2 of the carrier 20 and the end plates 48 may be welded together, for example.
- the in Fig. 2 shown carrier has a height dimension (in the direction of the web portions 22.2) of about 40 cm.
- a drive unit which essentially comprises a sliding bearing 34, a hydraulic cylinder 36 and a support 38.
- the operation of the drive unit has been described above with reference to Fig. 1 explained.
- the slide bearing 34 in the exemplary embodiment shown has two skids 52, which are slidably provided on the upper sides of the carriers 32 attached to the completed bridge section 30.
- the runners 52 have lateral boundaries 54 largely in the form of plates and plastic bearing parts 28.
- the plastic bearing parts 28 may be matched to the other bearing part, in the case shown the carrier 32, such that the storage is self-locking up to a certain slope.
- the plastic bearing parts can be interchangeable and / or magnetically attached to the runners 52.
- drive unit is further provided a substantially in the longitudinal direction, ie in the free-trimmer direction extending axis 56 to which the upper support assembly may be rotatably mounted about a substantially horizontal axis.
- Fig. 4 shows a detail of in an overall view in Fig. 1 recognizable hinged suspension of the lower Carrier assembly 14 on the upper support assembly 12 (see. Fig. 1 ).
- a longitudinal member 42 and an adjoining housing 18 can be seen.
- the housing is attached to a cross member 20.
- the articulated suspension is carried out in detail on a rod 16, at its lower end, which may have a thread for this purpose, for example by means of a nut 58, a spherical cap 60 is attached.
- the spherical cap 60 has a spherical surface and cooperates in the embodiment shown with a ring-like cut counterpart 62 with a spherical inner surface 64.
- the cutout of the counterpart 62 is larger than the diameter of the rod 16, so that an inclination of the lower support assembly to which the in Fig. 4 shown housing 18 is mounted to all axes is possible.
- the carrier arrangement can be adapted in a particularly flexible manner to inclined bridge geometries and other special applications.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Description
Die Erfindung betrifft eine Schalungsanordnung für den Freivorbau von Brücken.The invention relates to a formwork arrangement for the cantilever construction of bridges.
Beim Freivorbau von Brücken aus Beton müssen diejenigen Schalungen, zwischen welche die notwendigen Bewehrungen eingebracht werden und der das nächste Teilstück bildende Beton eingegossen wird, über den bereits erstellten und ausreichend ausgehärteten Abschnitt der Brücke abgestützt werden. Zu diesem Zweck werden am Ende des bereits erstellten Brückenabschnitts im Wesentlichen Träger oder Schienen angebracht, in denen eine obere Trägeranordnung beweglich gelagert ist. Die obere Trägeranordnung kann in der Freivorbaurichtung und/oder über den seitlichen Rand des bereits erstellten Brückenabschnitts auskragen. An Abschnitten der oberen Trägeranordnung können Schalungen für den oberen Bereich der Brücke angebracht sein. Ferner kann an der oberen Trägeranordnung eine untere Trägeranordnung abgehängt sein, die zur gegebenenfalls verschieblichen Lagerung weiterer Schalungen für untere Bereiche der Brücke und/oder Innenschalungen im Fall eines Hohlkastenprofils der Brücke vorgesehen sind. Die Lagerung sämtlicher verschiebbarer Elemente erfolgt üblicherweise mittels Rollen. Nachdem ein neuer Bauwerksabschnitt erstellt wurde, kann die Schalungsanordnung vorangeschoben werden, um die Bewehrungen für den nächsten Abschnitt einzurichten. In diesem Zusammenhang können die Schienen oder Träger, auf denen die Schalungsanordnung gelagert ist, auf den zuletzt erstellten Bauwerksabschnitt verlängert werden.In cantilevered concrete bridges, those formworks between which the necessary reinforcements are inserted and the concrete forming the next section shall be poured over the already established and sufficiently hardened section of the bridge. For this purpose, essentially carriers or rails are mounted at the end of the bridge section already created, in which an upper support assembly is movably mounted. The upper carrier arrangement can protrude in the free-living direction and / or over the lateral edge of the already created bridge section. Formwork for the upper area of the bridge may be attached to portions of the upper beam assembly. Further, a lower support assembly may be suspended from the upper support assembly, which are provided for optionally displaceable storage of other formwork for lower portions of the bridge and / or inner formwork in the case of a hollow box profile of the bridge. The storage of all movable elements usually takes place by means of rollers. After a new building section has been created, the formwork arrangement can be advanced to establish the reinforcements for the next section. In this context, the rails or beams on which the formwork arrangement is mounted, can be extended to the last created building section.
Eine Schalungsanordnung für den Freivorbau von Brücken, bei der Rollenlagerungen vorgesehen sind und eine Schalung unabhängig von einer äußeren Schalung beweglich ist, ist aus der
Die
Eine Anordnung gemäß dem Oberbegriff des Anspruchs 1 sowie mit Querträgern an der unteren Trägeranordnung ist aus der
Die
Die
Der Erfindung liegt die Aufgabe zugrunde, eine Schalungsanordnung für den Freivorbau von Brücken zu schaffen, die im Hinblick auf die Vielseitigkeit der Verwendbarkeit und/oder den Herstellungsaufwand für die Schalungsanordnung verbessert ist.The invention has for its object to provide a formwork arrangement for the cantilever construction of bridges, which is improved in view of the versatility of usability and / or the production cost of the formwork arrangement.
Die Lösung dieser Aufgabe erfolgt durch die im Anspruch 1 beschriebene Schalungsanordnung.The solution to this problem is achieved by the formwork arrangement described in claim 1.
Demzufolge ist zumindest eine untere Trägeranordnung an einer verfahrbar gelagerten oberen Trägeranordnung aufgehängt und über zumindest ein Kugelgelenk gelagert. Hierdurch kann die untere Trägeranordnung bezüglich der oberen Trägeranordnung in gewissem Umfang geneigt werden, was die Realisierung einer besonders großen Bandbreite von Brückenquerschnitten ermöglicht. Darüber hinaus kann die Kraftübertragung mittels des Kugelgelenks ohne Biegemomente erfolgen. Hierdurch können sämtliche beteiligte Bauteile, insbesondere die Aufhängungen mit weniger Materialaufwand und demnach kostengünstiger ausgeführt werden, was zu wirtschaftlichen Vorteilen führt. Die obere und/oder untere Trägeranordnung erstrecken sich insbesondere weitgehend horizontal, und die Aufhängung erfolgt weitgehend vertikal, so dass aufgrund des hierdurch ausgebildeten Winkels, der in etwa 90 Grad beträgt, besonders günstige Kräfteverhältnisse erreicht werden können. Die Aufhängung der unteren Trägeranordnung kann insbesondere dazu benutzt werden, die Gewichtskraft der Schalungen beim Justieren und/oder die Betonlast gleichzeitig aufzunehmen.As a result, at least one lower carrier arrangement is suspended from a movably mounted upper carrier arrangement and mounted via at least one ball joint. As a result, the lower support assembly with respect to the upper support assembly can be inclined to some extent, which allows the realization of a particularly wide range of bridge sections. In addition, the power transmission can be done by means of the ball joint without bending moments. As a result, all the components involved, in particular the suspensions with less material and therefore be carried out more cost-effectively, which leads to economic benefits. The upper and / or lower carrier assembly extend in particular substantially horizontal, and the suspension is largely vertical, so that due to the thus formed angle, which is approximately 90 degrees, particularly favorable balance of power can be achieved. The suspension of the lower support assembly can be used in particular to accommodate the weight of the formwork during adjustment and / or the concrete load simultaneously.
Bevorzugte Weiterbildungen der erfindungsgemäßen Schalungsanordnung sind in den weiteren Ansprüchen beschrieben.Preferred developments of the formwork arrangement according to the invention are described in the further claims.
Sowohl für die Stabilität der unteren Trägeranordnung als auch die Möglichkeit der Anbringung anderer Komponenten, wie z.B. der eigentlichen Schalungen, wird derzeit bevorzugt, die untere Trägeranordnung als Trägerrost oder -gitter vorzusehen.Both for the stability of the lower support assembly as well as the possibility of attaching other components, such as the actual formwork, is currently preferred to provide the lower support assembly as a support grid or grid.
Die vielseitige Verwendbarkeit wird weiter verbessert, wenn, wie bevorzugt, zumindest eine Aufhängung der unteren Trägeranordnung höhenverstellbar vorgesehen ist. Die Höhenverstellung kann bevorzugt stufenlos erfolgen und kann in vorteilhafter Weise im Bereich der oberen Trägeranordnung, und damit besonders leicht und damit gefahrlos zugänglich, vorgesehen sein. Hierdurch kann die Position einzelner Aufhängungen individuell eingestellt werden, so dass die Lagebeziehung zwischen unterer und oberer Trägeranordnung besonders flexibel geändert werden kann. Dies erhöht weiter die Anpassbarkeit der erfindungsgemäßen Schalungsanordnung an unterschiedliche Geometrien der zu erstellenden Bauwerke, insbesondere Brücken, und erhöht in vorteilhafter Weise das Einsatzspektrum.The versatility is further improved if, as preferred, at least one suspension of the lower support assembly is provided height adjustable. The height adjustment can preferably be made steplessly and can be provided in an advantageous manner in the region of the upper support arrangement, and thus particularly easily and thus safely accessible. In this way, the position of individual suspensions can be adjusted individually, so that the positional relationship between the lower and upper carrier assembly can be changed particularly flexible. This further increases the adaptability of the formwork arrangement according to the invention to different geometries of the structures to be constructed, in particular bridges, and advantageously increases the range of use.
Im Hinblick auf das Kugelgelenk wird derzeit die Verwendung zumindest einer Kalotte vorgesehen.With regard to the ball joint, at least one dome is currently being used.
Um das Kugelgelenk, insbesondere die Kalotte zu schützen, wird ferner die Verwendung zumindest eines Gehäuses an der unteren Trägeranordnung vorgesehen, in dem das Kugelgelenk, insbesondere die Kalotte untergebracht ist.In order to protect the ball joint, in particular the dome, the use of at least one housing is further provided on the lower support assembly, in which the ball joint, in particular the dome is housed.
Für die Position eines derartigen Gehäuses wird derzeit bevorzugt, es an einem Träger vorzusehen, der weitgehend quer zur Freivorbaurichtung verläuft. Für die Befestigung des Gehäuses können in vorteilhafter Weise Befestigungseinrichtungen an einem Hohlprofil-Träger, wie nachfolgend beschrieben, insbesondere diejenigen an den seitlichen Flanschen, benutzt werden. Zwischen zwei Gehäusen können ferner Längsträger der Trägeranordnung befestigt sein.For the position of such a housing, it is presently preferred to provide it on a support which extends largely transversely to the free-living direction. For the attachment of the housing fastening means may advantageously be used on a hollow-profile carrier, as described below, in particular those on the side flanges. Furthermore, longitudinal members of the carrier arrangement can be fastened between two housings.
Zumindest ein Träger der erfindungsgemäßen Schalungsanordnung ist als geschlossenes, kastenartiges Hohlprofil vorgesehen. Durch eine derartige Gestaltung lassen sich deutlich geringere Toleranzen realisieren, als dies bei den bislang verwendeten Walzprofilen der Fall ist. Der beschriebene Träger kann beispielsweise als Schweißkonstruktion ausgeführt sein und aus unterschiedlichen Abschnitten zusammengesetzt sein. Hierdurch lassen sich in vorteilhafter Weise die Materialien und Wanddicken der einzelnen Abschnitte auf diejenigen Anforderungen abstimmen, die an den jeweiligen Abschnitt gestellt werden. Dies gilt in gleicher Weise für die Bearbeitbarkeit. Insbesondere hat sich bei ersten Versuchen herausgestellt, dass durch die erfindungsgemäße Konstruktion eine höhere Belastbarkeit hinsichtlich Biegung und/oder Torsion realisiert werden kann, verglichen mit den bislang verwendeten Profilen gleichen Gewichts. Dementsprechend kann bei gegebener Belastbarkeit Gewicht und Material eingespart werden, was sowohl den jeweiligen Träger kostengünstiger herstellbar macht, als auch, angesichts des erheblichen Gesamtgewichts der Schalungsanordnung insgesamt, in positiver Weise Einsparungen bei weiteren tragenden Teilen ermöglicht. Ferner können durch die Gestaltung eines Trägers als Hohlkastenprofil eingeführte Standardkomponenten, die beispielsweise als Mietteile bekannt sind, Verwendung finden.At least one carrier of the formwork arrangement according to the invention is provided as a closed, box-like hollow profile. By such a design, significantly lower tolerances can be realized than is the case with the previously used rolled sections. The described carrier can be designed, for example, as a welded construction and composed of different sections. As a result, the materials and wall thicknesses of the individual sections can be adapted to those requirements that are placed on the respective section in an advantageous manner. This applies equally to machinability. In particular, it has been found in the first tests that a higher load capacity for bending and / or torsion can be realized by the construction according to the invention, compared with the previously used profiles of equal weight. Accordingly, weight and material can be saved at a given load capacity, which makes both the respective carrier cheaper to produce, as well as, in view of the considerable total weight of the formwork arrangement overall, in a positive way allows savings in other bearing parts. Furthermore, by the design of a carrier introduced as a hollow box profile standard components, which are known, for example, as Mietteile find use.
Wie erwähnt, hat es sich als vorteilhaft erwiesen, den Hohlprofil-Träger aus mehreren Abschnitten zusammenzusetzen, um einzelne Abschnitte in besonders effizienter Weise an die jeweils hieran gestellten Anforderungen anpassen zu können.As mentioned, it has proved to be advantageous to assemble the hollow profile carrier from a plurality of sections in order to be able to adapt individual sections in a particularly efficient manner to the respective requirements imposed thereon.
Dies spiegelt sich beispielsweise in derjenigen bevorzugten Weiterbildung wider, bei der sich zumindest zwei Abschnitte des Hohlprofil-Trägers hinsichtlich ihres Materials und/oder ihrer Dicke unterscheiden.This is reflected, for example, in that preferred development in which at least two sections of the hollow profile carrier differ with regard to their material and / or their thickness.
Wenngleich der Einsatz von Hohlprofil-Trägern an zahlreichen Stellen der Schalungsanordnung beabsichtigt ist und zu den beschriebenen Vorteilen führt, wird erfindungsgemäß zumindest einen Hohlprofil-Träger derart eingesetzt, dass er sich weitgehend senkrecht zur Freivorbaurichtung, mit anderen Worten quer hierzu und weitgehend horizontal erstreckt. Bei Trägern mit dieser Ausrichtung konnten die erfindungsgemäßen Vorteile besonders umfangreich realisiert werden.Although the use of hollow profile beams is intended at numerous points of the formwork arrangement and leads to the advantages described, according to the invention at least one hollow profile support is used such that it extends substantially perpendicular to the free-living direction, in other words transversely thereto and largely horizontally. For carriers with this orientation, the advantages according to the invention could be realized particularly extensively.
Im Hinblick auf die Kompatibilität mit weiteren Komponenten der Schalungsanordnung hat sich ferner als vorteilhaft herausgestellt, wenn der Hohlprofil-Träger zumindest einen Flansch aufweist. Ferner können ein oder mehrere derartige Flansche insbesondere bei einer Schweißkonstruktion besonders einfach realisiert werden und erlauben in Form eines Stumpfschweißens die Verwendung besonders einfacher Schweißverfahren.With regard to the compatibility with other components of the formwork arrangement has also been found to be advantageous if the hollow-profile carrier has at least one flange. Furthermore, one or more such flanges can be particularly easily realized, especially in a welded construction and allow in the form of butt welding the use of particularly simple welding process.
Im Hinblick auf die Anbindung weiterer Komponenten an den erfindungsgemäßen Hohlprofil-Träger wird derzeit ferner bevorzugt, dass sich zumindest ein Flansch in einer Gebrauchsstellung weitgehend horizontal erstreckt.With regard to the connection of further components to the hollow-section carrier according to the invention, it is further preferred at present for at least one flange to extend substantially horizontally in a position of use.
Aus demselben Gesichtspunkt weist bei der erfindungsgemäßen Schalungsanordnung zumindest ein Hohlprofil-Träger zumindest ein Raster von Befestigungseinrichtungen, beispielsweise Befestigungsöffnungen auf. Diese können beispielsweise an einem oder mehreren Flanschen und/oder an einem oder mehreren Abschnitten vorgesehen sein, die (im Querschnitt gesehen) den geschlossenen Teil des Hohlprofils bilden. Durch ein oder mehrere derartige Raster von Befestigungseinrichtungen ist an zahlreichen unterschiedlichen Stellen die Anbindung weiterer Komponenten möglich. Hierdurch wird die erfindungsgemäße Schalungsanordnung vielseitig einsetzbar und kann an unterschiedlichste Brückengeometrien angepasst werden. Ferner wird es durch die umfangreichen Anbindungsmöglichkeiten von Komponenten, welche den erfindungsgemäßen Hohlprofil-Träger umgeben, ermöglicht, asymmetrische Konstruktionen auszuführen, eine Brücke oder einen sonstigen Freivorbau an bestehende Bauwerke anzubinden und beim Freivorbau an Hindernissen vorbeizufahren. Die zahlreichen und in einem Raster vorgesehenen Befestigungseinrichtungen ermöglichen ferner eine große Flexibilität im Hinblick auf die statische Ausgestaltung der Schalungsanordnung selbst bis hin zu einer asymmetrischen Krafteinleitung. Die beschriebenen Raster von Befestigungseinrichtungen ermöglichen die Verwendbarkeit zahlreicher Standardbauteile und deren Anbringung an zahlreichen unterschiedlichen Stellen. Hierbei können insbesondere Endbereiche des erfindungsgemäßen Hohlprofil-Trägers ungenutzt bleiben und aus der Schalungsanordnung herausragen. Aufgrund der oben erwähnten Gewichtseinsparung führt dies zu keinen nennenswerten Nachteilen.From the same point of view, in the case of the formwork arrangement according to the invention, at least one hollow-profile carrier has at least one grid of fastening devices, for example fastening openings. These may, for example, be provided on one or more flanges and / or on one or more sections which (as seen in cross-section) form the closed part of the hollow profile. By one or more such grid of fasteners, the connection of other components is possible at many different locations. As a result, the formwork arrangement according to the invention is versatile and can be adapted to a variety of bridge geometries. Furthermore, it is possible by the extensive connectivity options of components that surround the hollow-section beam according to the invention allows to carry out asymmetric constructions, tie a bridge or other cantilever construction to existing buildings and drive past obstacles in cantilever construction. The numerous and provided in a grid fastening devices also allow a great deal of flexibility in terms of static design of the formwork arrangement itself up to an asymmetric force introduction. The described grids of fasteners allow the use of many standard components and their attachment in many different places. In particular, end regions of the hollow-profile carrier according to the invention can remain unused and protrude from the formwork arrangement. Due to the weight reduction mentioned above, this leads to no significant disadvantages.
Für die Raster von Befestigungseinrichtungen hat es sich als vorteilhaft erwiesen, hiervon zumindest zwei vorzusehen, die sich im Hinblick auf die Abstände zwischen einzelnen Befestigungseinrichtungen und/oder den Größen der Befestigungseinrichtungen des jeweiligen Rasters unterscheiden. Mit anderen Worten kann an einem ersten Abschnitt des erfindungsgemäßen Hohlprofil-Trägers ein Raster von Befestigungseinrichtungen mit einem ersten Abstand und/oder einer ersten Größe von Befestigungseinrichtungen vorgesehen sein, und an einem oder mehreren anderen Abschnitten des Hohlprofil-Trägers befindet sich ein zweites oder weitere Raster von Befestigungseinrichtungen mit einem zweiten, unterschiedlichen Abstand zwischen den Befestigungseinrichtungen und/oder einer zweiten, unterschiedlichen Größe von Befestigungseinrichtungen. Hierdurch kann in unterschiedlichen Bereichen des Hohlprofil-Trägers in vorteilhafter Weise die Möglichkeit geschaffen werden, unterschiedliche Komponenten und/oder Komponenten mit einer unterschiedlichen Rasterung anzubringen.For the grid of fasteners, it has proven to be advantageous to provide thereof at least two, which differ in terms of the distances between individual fasteners and / or the sizes of the fasteners of the respective grid. In other words, at a first portion of the hollow-section carrier according to the invention, a grid of fastening devices with a first distance and / or a first size of fastening means, and at one or more other portions of the hollow profile beam is a second or further grid of fasteners having a second, different spacing between the fasteners and / or a second, different size fasteners , In this way, the possibility can be created in different areas of the hollow profile carrier advantageously to attach different components and / or components with a different screening.
Ferner wird bei der erfindungsgemäßen Schalungsanordnung derzeit bevorzugt, zumindest ein Gleitlager zwischen einem beweglichen und einem feststehenden Teil der Schalungsanordnung vorzusehen, das zumindest ein Kunststoff-Lagerteil aufweist. Die Verwendung von Gleitlagern bietet gegenüber den bislang verwendeten Rollenlagerungen folgende Vorteile. Bei Rollenlagern besteht bereits bei geringen Brückenradien die Gefahr, dass die Rollen aus den für sie vorgesehenen Schienen oder "auf" die sie lagernden Trägerabschnitte geraten und beispielsweise auf Flanschen oder dergleichen auflaufen/aufreiten. Unter Berücksichtigung des erheblichen Gewichts derartiger Schalungsanordnungen, die beispielsweise mehrere Zigtonnen schwer sein können. Besteht ein erhebliches Sicherheitsproblem dahingehend, dass die Schalungsanordnung nach einem derartigen Aufreiten einer Rollenlagerung in die eigentlich vorgesehene "Lagerschiene" zurückfällt. Ferner sind Rollenlagerungen bei Bauwerken mit Gefälle problematisch, weil zum Voranbewegen der Schalungsanordnung üblicherweise oszillierende Zylinder vorgesehen sind, die sich in einem ersten Betriebszustand an einem Träger oder einer Schiene abstützen, die an einem bereits erstellten Bauwerksabschnitt befestigt ist, und die Schalungsanordnung voranbewegen. In einem zweiten Betriebszustand bleibt die Schalungsanordnung an Ort und Stelle, und die Zylinder werden eingezogen, so dass die Abstützungen nachgezogen werden. In dieser Situation ist die üblicherweise tonnenschwere Schalungsanordnung ungesichert und kann sich bei Gefälle aufgrund der beschriebenen Rollenlagerungen voranbewegen, was ein erhebliches Sicherheitsrisiko darstellt.Furthermore, it is currently preferred in the formwork arrangement according to the invention to provide at least one sliding bearing between a movable and a fixed part of the formwork arrangement, which has at least one plastic bearing part. The use of plain bearings offers the following advantages over the previously used roller bearings. For roller bearings, even at low bridge radii there is a risk that the rollers may be made of the rails intended for them or "on" the rails they support Carrier sections advised and run up / ride on flanges or the like, for example. Taking into account the considerable weight of such formwork arrangements, which may be heavy, for example, several tons. There is a significant security problem to the effect that the formwork arrangement falls back after such a ride a roller bearing in the actually provided "bearing rail". Furthermore, roller bearings are problematic in structures with gradients, because for advancing the formwork arrangement usually oscillating cylinders are provided, which are supported in a first operating state on a support or a rail which is attached to an already created building section, and advance the formwork arrangement. In a second operating state, the formwork arrangement remains in place and the cylinders are retracted so that the supports are retightened. In this situation, the usually tons-heavy formwork arrangement is unsecured and can move forward on a gradient due to the roller bearings described, which represents a significant security risk.
Durch das erfindungsgemäße Kunststoff-Lagerteil besteht eine deutlich geringere Gefahr, dass sich die Lagerung aus ihrer Schiene oder von dem zur Lagerung vorgesehenen Träger bewegt. Ferner hat sich ein Kunststoff-Lagerteil dahingehend als vorteilhaft erwiesen, dass es bis zu einem gewisse Gefälle selbsthemmend ausgeführt sein kann. Dementsprechend kann auch bei Bauwerken mit Gefälle die Schalungsanordnung sicher an Ort und Stelle bleiben und die Abstützung, wie beschrieben, nachgezogen werden. Mit anderen Worten sind die Lagerkräfte berechenbar und können für ein definiertes Verhalten der gesamten Schalungsanordnung, auch während des oben beschriebenen zweiten Betriebszustandes, berücksichtigt werden. Schließlich bietet das erfindungsgemäße KunststoffGleitlager eine gegenüber Rollenlagern verbesserte, nämlich flächige Krafteinleitung.The plastic bearing part according to the invention significantly reduces the risk of the bearing moving out of its rail or from the support provided for storage. Furthermore, a plastic bearing part has proven to be advantageous in that it can be designed to be self-locking up to a certain gradient. Accordingly, even with structures with gradient, the formwork arrangement safely stay in place and the support, as described, be tightened. In other words, the bearing forces are calculable and can be taken into account for a defined behavior of the entire formwork arrangement, even during the second operating state described above. Finally, the plastic sliding bearing according to the invention offers a comparison with roller bearings improved, namely area force application.
Für das Kunststoff-Lagerteil wird derzeit bevorzugt, dieses an einem beweglichen Teil der Schalungsanordnung vorzusehen. Hierbei ist zu berücksichtigen, dass der unbewegliche Teil der Schalungsanordnung, beispielsweise eine oder mehrere Schienen oder Träger eine erhebliche Längserstreckung aufweisen können, um einen gewissen Bewegungsbereich für die Schalungsanordnung zu gewährleisten. Wenn man daran Kunststoff-Lagerteile vorsehen würde, müssten sich diese ebenfalls über einen erheblichen Bereich erstrecken. Insoweit wird derzeit aus Gründen der Effizienz bevorzugt, die Kunststoff-Lagerteile an dem vergleichsweise kurzen beweglichen Teil der Schalungsanordnung oder lediglich an einzelnen Abschnitten desselben vorzusehen.For the plastic bearing part is currently preferred to provide this on a movable part of the formwork arrangement. It should be noted that the immovable part of the formwork arrangement, for example, one or more rails or beams may have a considerable longitudinal extent to ensure a certain range of motion for the formwork arrangement. If you were to provide it plastic bearing parts, they would also extend over a considerable area. In that regard, for reasons of efficiency, it is currently preferred to provide the plastic bearing parts on the comparatively short moving part of the formwork arrangement or only on individual sections thereof.
Für die Materialpaarung im Rahmen des Gleitlagers der erfindungsgemäßen Schalungsanordnung hat sich als weiteres Lagerteil, dass mit dem Kunststoff-Lagerteil zusammenwirkt, ein Lagerteil aus Metall, vorzugsweise Stahl als günstig erwiesen. Durch eine derartige Materialpaarung können besonders gut kalkulierbare, beispielsweise selbsthemmende Lagereigenschaften realisiert werden.For the material pairing in the context of the plain bearing of the formwork arrangement according to the invention, a bearing part made of metal, preferably steel proved to be favorable as a further bearing part that cooperates with the plastic bearing part. By such a combination of materials particularly well calculable, for example, self-locking storage properties can be realized.
Für die Praxis wird derzeit bevorzugt, dass das Gleitlager bis zu einem Gefälle von etwa 5%, bevorzugt etwa 6% und weiter bevorzugt bis zu 10% selbsthemmend ist. Hierdurch kann eine große Bandbreite von Anwendungsfällen mit einer besonders sicheren Vorgehensweise abgedeckt werden.In practice, it is presently preferred that the sliding bearing be self-locking up to a gradient of about 5%, preferably about 6%, and more preferably up to 10%. As a result, a wide range of applications can be covered with a particularly secure approach.
Unter Berücksichtigung des Aufwands, der sich aus einem Verschleiß der Lagerteile ergibt, erweist es sich ferner als vorteilhaft, zumindest ein Lagerteil, bevorzugt das Kunststoff-Lagerteil austauschbar vorzusehen.Taking into account the effort resulting from wear of the bearing parts, it also proves to be advantageous to provide at least one bearing part, preferably the plastic bearing part interchangeable.
Die Befestigung des Kunststoff-Lagerteils kann besonders einfach und effizient in magnetischer Art und Weise erfolgen. Ferner kann das Kunststoff-Lagerteil in vorteilhafter Weise als Teil eines Gleitlagers zwischen jeglichen beweglichen Komponenten oder Abschnitten einer Schalungsanordnung für den Freivorbau von Brücken vorgesehen sein. Bei ersten Versuchen wurden jedoch besonders gute Erfahrungen gemacht, wenn ein derartiges Gleitlager zwischen einem Innenschalwagen und/oder einer Seitenschalung einerseits und einem feststehenden Abschnitt der Schalungsanordnung andererseits vorgesehen war.The attachment of the plastic bearing part can be particularly easily and efficiently done in a magnetic manner. Furthermore, the plastic bearing part can be advantageously provided as part of a sliding bearing between any movable components or sections of a formwork arrangement for the cantilever design of bridges. In first attempts, however, particularly good experiences were made when such a sliding bearing between an inner shell carriage and / or a side mold on the one hand and a fixed portion of the formwork arrangement on the other hand was provided.
Nachfolgend wird die Erfindung anhand beispielhaft in den Zeichnungen dargestellter Ausführungsformen näher erläutert.The invention will be explained in more detail with reference to exemplary embodiments shown in the drawings.
Es zeigen:
- Fig. 1
- eine perspektivische Ansicht einer erfindungsgemäßen Schalungsanordnung;
- Fig. 2
- eine perspektivische Ansicht eines Hohlprofil- Trägers in der Schalungsanordnung von
Fig. 1 ; - Fig. 3
- eine perspektivische Unteransicht eines Gleitlagers in der Schalungsanordnung von
Fig. 1 ; und - Fig. 4
- eine perspektivische, teilweise geschnittene Ansicht eines Details aus
Fig. 1 .
- Fig. 1
- a perspective view of a formwork arrangement according to the invention;
- Fig. 2
- a perspective view of a hollow profile carrier in the formwork arrangement of
Fig. 1 ; - Fig. 3
- a perspective bottom view of a sliding bearing in the formwork arrangement of
Fig. 1 ; and - Fig. 4
- a perspective, partially sectioned view of a detail
Fig. 1 ,
Wie in
Die Abstützung der Schalungsanordnung 10 an den Trägern 32 erfolgt in dem gezeigten Fall durch Gleitlager 34, die im Wesentlichen mit den oberen Flächen der Träger 32 zusammenwirken. Die Vorwärtsbewegung wird bei dem gezeigten Fall durch zwei Hydraulikzylinder 36 bewerkstelligt, die oszillieren und abwechselnd, sich an Abstützungen 38 abstützend, die Schalungsanordnung 10 voranbewegen oder, während die Schalungsanordnung 10 ortsfest bleibt, die Abstützungen 38 nachziehen. Neben den beschriebenen Gleitlagern 34 sind Gegenlager 40 vorgesehen, die beispielsweise überstehende Flansche der Träger 32 untergreifen können, um das Gewicht der auskragenden Schalungsanordnung abzustützen. Ferner können für diesen Zweck Ankerstäbe vorgesehen sein.The support of the
Allgemein gesprochen weist die Schalungsanordnung eine obere Trägeranordnung 12 auf, die aus Quer- 20 und Längsträgern 42 besteht. Über mehrere Stäbe 16 ist von der oberen Trägeranordnung 12 eine untere Trägeranordnung 14 abgehängt, die ebenfalls Quer- 20 und Längsträger 42 aufweist. An der oberen 12 und/oder der unteren Trägeranordnung 14 können, unter anderem aufgrund der nachfolgend beschriebenen Möglichkeiten zur Anbringung von Standardbauteilen, standardisierte Bühnen angebracht sein. Bei dem gezeigten Beispiel sind sämtliche Querträger 20 als Hohlprofil-Träger ausgeführt, wie nachfolgend unter Bezugnahme auf die
Unter Bezugnahme auf
Dies gilt in ähnlicher Weise für die Raster von Befestigungseinrichtungen in Form von Öffnungen 26.1, die sich im Wesentlichen über die gesamte Länge des Trägers 20 und in Längsrichtung desselben erstrecken. In dem gezeigten Fall ist an sämtlichen seitlich überstehenden Flanschen 24 des Trägers 20 ein vergleichsweise enges Raster von Befestigungseinrichtungen in Form von Öffnungen 26.1 vorgesehen. Die einzelnen Öffnungen dieses Rasters können beispielsweise einen Abstand von etwa 10 cm aufweisen und der Befestigung von "Fachwerkkomponenten" wie den Diagonalstützen 44 und/oder den Diagonalträgern 46 dienen. Bei dem gezeigten Ausführungsbeispiel weisen die Befestigungseinrichtungen 26.2 eines zweiten Rasters, das sich im Bereich des (im Querschnitt gesehen) geschlossenen, kastenartigen Bereichs befindet, einen größeren Abstand und einen größeren Durchmesser der Öffnungen auf. Der Abstand kann beispielsweise 20 cm betragen und kann der Durchführung von Stäben 16 (vgl.
In
Claims (18)
- Shuttering arrangement (10) for the cantilever construction of bridges having at least one lower girder arrangement (14), which is suspended on a movably mounted upper girder arrangement (12), characterised in that the at least one lower girder arrangement (14) is mounted on at least one suspension point (16) via a universal joint (60, 62), and in that the shuttering arrangement has at least one girder (20) which is designed as a closed, box-like hollow profile extending largely transversely to the cantilever construction direction and has at least one grid of attachment devices (26).
- Shuttering arrangement according to claim 1, characterised in that the lower girder arrangement (14) is a girder grillage or screen.
- Shuttering arrangement according to claim 1 or 2, characterised in that the at least one suspension point (16) is provided to be height-adjustable in the region of the upper girder arrangement (12).
- Shuttering arrangement according to one of the preceding claims, characterised in that at least one cap shape (60) is provided between the lower girder arrangement (14) and the at least one suspension point (16).
- Shuttering arrangement according to claim 4, characterised in that at least one housing (18), in which at least one cap shape (60) is accommodated, is provided on the lower girder arrangement (14).
- Shuttering arrangement according to claim 5, characterised in that at least one housing (18) is provided on the at least one girder (20), which runs largely transversely to the cantilever construction direction.
- Shuttering arrangement according to one of the preceding claims, characterised in that the hollow profile girder (20) is composed of several sections (22).
- Shuttering arrangement according to claim 7, characterised in that at least two sections (22) are differentiated with regard to their material and/or their thickness.
- Shuttering arrangement according to one of the preceding claims, characterised in that at least one hollow profile girder (20) has at least one flange (24).
- Shuttering arrangement according to claim 9, characterised in that at least one flange (24) in one use position extends largely horizontally.
- Shuttering arrangement according to one of the preceding claims, characterised in that at least two grids of attachment devices (26) having different distances between individual attachment devices (26) and/or different sizes of attachment devices (26) of the particular grid are formed.
- Shuttering arrangement (10) according to one of the preceding claims, having at least one largely horizontal sliding bearing (34), which has at least one bearing part (28) made from plastic.
- Shuttering arrangement according to claim 12, characterised in that the plastic bearing part (28) is provided on a movable part (30) of the shuttering arrangement.
- Shuttering arrangement according to claim 12 or 13, characterised in that the sliding bearing (34) also has at least one bearing part (32) made from metal, preferably steel.
- Shuttering arrangement according to one of claims 12 to 14, characterised in that the sliding bearing (34) is self-locking up to a gradient of about 5%, preferably about 6%, also preferably about 10%.
- Shuttering arrangement according to one of claims 12 to 15, characterised in that at least one bearing part, preferably the plastic bearing part (28), is provided to be exchangeable.
- Shuttering arrangement according to one of claims 12 to 16, characterised in that at least one bearing part, preferably the plastic bearing part (28), is attached magnetically.
- Shuttering arrangement according to one of claims 12 to 17, characterised in that the latter has at least one inner boarding carriage and/or side shuttering and a fixed section, and at least one sliding bearing is provided between an inner boarding carriage and/or side shuttering on the one side and the fixed section of the shuttering arrangement on the other side.
Priority Applications (1)
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PL08804532T PL2191073T3 (en) | 2007-10-04 | 2008-09-22 | Formwork configuration for the cantilever construction of bridges |
Applications Claiming Priority (2)
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DE102007047438.7A DE102007047438B4 (en) | 2007-10-04 | 2007-10-04 | Formwork arrangement for the cantilever construction of bridges |
PCT/EP2008/062606 WO2009043750A1 (en) | 2007-10-04 | 2008-09-22 | Formwork configuration for the cantilever construction of bridges |
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Publication Number | Publication Date |
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EP2191073A1 EP2191073A1 (en) | 2010-06-02 |
EP2191073B1 true EP2191073B1 (en) | 2011-02-09 |
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EP08804532A Active EP2191073B1 (en) | 2007-10-04 | 2008-09-22 | Formwork configuration for the cantilever construction of bridges |
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EP (1) | EP2191073B1 (en) |
AT (1) | ATE498034T1 (en) |
BR (1) | BRPI0817511A2 (en) |
DE (2) | DE102007047438B4 (en) |
ES (1) | ES2357731T3 (en) |
PL (1) | PL2191073T3 (en) |
WO (1) | WO2009043750A1 (en) |
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DE2362101A1 (en) * | 1973-12-14 | 1975-06-26 | R T Z Pillar Deutschland Holdi | Concrete wall or ceiling formwork - with U-sectioned hollow box profile carriers with reinforcing cross-stem |
DE2660087C2 (en) | 1976-02-26 | 1980-05-22 | Dyckerhoff & Widmann Ag, 8000 Muenchen | Device for the section-by-section, free front construction of multi-span bridge structures made of reinforced or prestressed concrete |
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DE19636091A1 (en) | 1996-09-05 | 1998-03-12 | Hollmann Niels | Frame especially for a platform or a scaffold or for decking formwork used in construction |
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EP1457601B1 (en) | 2003-03-12 | 2005-11-02 | DOKA Industrie GmbH | Device and method for building by sectors reinforced or prestressed concrete structure |
-
2007
- 2007-10-04 DE DE102007047438.7A patent/DE102007047438B4/en active Active
-
2008
- 2008-09-22 PL PL08804532T patent/PL2191073T3/en unknown
- 2008-09-22 BR BRPI0817511A patent/BRPI0817511A2/en not_active Application Discontinuation
- 2008-09-22 AT AT08804532T patent/ATE498034T1/en active
- 2008-09-22 ES ES08804532T patent/ES2357731T3/en active Active
- 2008-09-22 EP EP08804532A patent/EP2191073B1/en active Active
- 2008-09-22 WO PCT/EP2008/062606 patent/WO2009043750A1/en active Application Filing
- 2008-09-22 DE DE502008002577T patent/DE502008002577D1/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108385542A (en) * | 2018-03-12 | 2018-08-10 | 湖州市交通工程建设集团有限公司 | A kind of fine linear quadratic control construction method of bridge linear |
CN108385542B (en) * | 2018-03-12 | 2019-12-10 | 湖州市交通工程建设集团有限公司 | Bridge linear fine secondary control construction method |
CN108824196A (en) * | 2018-06-13 | 2018-11-16 | 贵州路桥集团有限公司 | Main couple curved surface construction method of installation |
CN108824196B (en) * | 2018-06-13 | 2020-04-28 | 贵州路桥集团有限公司 | Main truss curved surface installation construction method |
CN111005324A (en) * | 2020-01-03 | 2020-04-14 | 中建七局安装工程有限公司 | Support-free suspension and locking construction method for assembled type segmental box girder |
CN111005324B (en) * | 2020-01-03 | 2021-09-24 | 中建七局安装工程有限公司 | Support-free suspension and locking construction method for assembled type segmental box girder |
Also Published As
Publication number | Publication date |
---|---|
DE502008002577D1 (en) | 2011-03-24 |
DE102007047438B4 (en) | 2022-11-24 |
DE102007047438A1 (en) | 2009-04-16 |
BRPI0817511A2 (en) | 2019-01-02 |
WO2009043750A1 (en) | 2009-04-09 |
PL2191073T3 (en) | 2011-06-30 |
ES2357731T3 (en) | 2011-04-29 |
EP2191073A1 (en) | 2010-06-02 |
ATE498034T1 (en) | 2011-02-15 |
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