EP3074572B1 - Bridging apparatus - Google Patents
Bridging apparatus Download PDFInfo
- Publication number
- EP3074572B1 EP3074572B1 EP14806587.3A EP14806587A EP3074572B1 EP 3074572 B1 EP3074572 B1 EP 3074572B1 EP 14806587 A EP14806587 A EP 14806587A EP 3074572 B1 EP3074572 B1 EP 3074572B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cross member
- segment
- center
- bridging device
- bearing
- 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.)
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Links
- 238000010276 construction Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 description 5
- 238000009827 uniform distribution Methods 0.000 description 5
- 239000000969 carrier Substances 0.000 description 4
- 241000446313 Lamella Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
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- 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
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/062—Joints having intermediate beams
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/005—Girders or columns that are rollable, collapsible or otherwise adjustable in length or height
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C2003/026—Braces
Definitions
- the invention relates to a bridging device in the center beam construction, for a building joint between two structural parts with at least two edge beams and at least one center carrier, which is arranged between the edge beams and at least one, the building structure bridging cross member, at their lateral ends in each case a truss bearing for storage have the traverse on the respective building parts.
- such devices are used to bridge building joints between two parts of the structure, in particular between two bridge parts such as a bridgehead or abutment and a bridge support or bridge girder or adjoining bridge girder so that vehicles and animals safely from one component to another component can reach.
- the construction joints also called movement joints or expansion joints, serve to compensate for movements of the building parts to each other.
- Bridging devices are known from the prior art in various embodiments. Corresponding bridging devices in the center-carrier construction are in the DE 102 22 690 A1 and the DE 10 2011 050 977 A1 described.
- the DE 2208680 A1 discloses, for example, a bridging device in which a plurality of center supports are traversed by a traverse.
- a common form of lock-up device is the variant known as center-carrier construction or lamellar construction.
- the bridging device has at least one center carrier, which is arranged fixedly or slidably on at least one traverse mounted rotatably and / or displaceably on the adjacent structural parts.
- control devices In order to achieve uniform distances between individual center supports to each other and possibly to the edge beams and to prevent emigration of the center support, so-called control devices are used. Such control devices are formed for example by spring chains, scissors or with the help of so-called pivoting traverses.
- receiving areas are arranged on site, in which the trusses are partially inserted. These receiving areas are also referred to as truss boxes. The shape of these receiving areas depends on the expected movement and can accordingly be very expansive.
- truss boxes can be very difficult to practically impossible.
- ends in steel bridges the deck plate usually with an end cross member, which may not be broken. If such a bridge is not already designed during the planning so that enough space is provided for the truss box, retrofitting a truss box is sometimes practically impossible.
- the particularly advantageous bridging devices in center-girder or lamella construction can not be used at all.
- the bridging device described above has a traverse with at least two truss segments, which are arranged displaceably along a longitudinal axis of the crossbar and each other in the direction of the longitudinal axis, so that the length of the traverse is variable.
- the bridging device according to the invention is thus retractable and extendable.
- a variable-length traverse is provided, whereby movements of the building parts to each other can be considered in a particularly space-saving manner. Since the truss according to the invention itself is longitudinally variable, now no separate receiving areas for insertion of the traverse must be provided on the building parts.
- Telescopic arms have segments, which are usually designed as rectangular telescoping tubes. The lateral surfaces of the segments are not aligned with each other, but have a height offset, which usually corresponds to the material thickness of the segments.
- a center carrier arranged thereon can not easily change from one segment to the other and back.
- the center carrier of a bridging device in the center-carrier construction should / should be able to be uniformly arranged over the entire length of the traverse or the bridging device or can be displaced in order to take into account movements of the building joint.
- the tops of the center support flush to each other or to arrange at the same height on the various segments that the tops to each other and with the tops of the edge beams and the structural parts, for. Lanes are aligned.
- the load introduction takes place in known systems with telescopic arms substantially end. A load transfer large transverse forces transverse to the longitudinal extent of the telescopic arm, on the individual overlapping segments away, as would occur in bridging devices in center-carrier construction, has not been tested.
- At least one truss segment is designed as a guide segment and a truss segment as a linkage segment, wherein the guide segment guides the linkage segment at least in the direction of the longitudinal axis of the truss.
- the linkage segment can be supported by the guide segment.
- the guide segment is according to a development at least partially formed as a tube in which the rodding segment is at least partially slidably mounted.
- This tube may, for example, have a rectangular or otherwise angular surface, so that the rodding segment can be arranged against rotation in the tube.
- the guide segment further has at least one spring extending parallel to the longitudinal axis of the traverse, which engages in a groove in the linkage segment or vice versa.
- the guide segment is formed further than in the plan view U-shaped clip or H-shaped double clasp, which surrounds the rodding segment at least partially laterally and holds at least transversely to the longitudinal axis of the traverse.
- This embodiment has the advantage that the linkage segment is not bordered by the guide segment at the top and thus has an accessible exposed area, on which a center carrier can be arranged independently of the relative position of the linkage segment to the guide segment.
- the linkage segment may be formed corresponding to the guide segment to allow a convenient, largely backlash-free storage.
- Developing the linkage segment is at least partially formed as a solid and / or hollow carrier, in particular as a T-beam, double T-beam and / or rectangular tube.
- carrier forms have proven themselves for bending stresses.
- At least two center girders are further arranged in the bridging device, wherein the upper sides of the center girders are aligned flush with one another.
- the upper sides of the center girders can also be designed to be flush with the upper sides of the edge girders and the upper sides of the building parts. In this way, it is ensured that the bridging device spans a plane on which vehicles or living beings can safely pass the building gap.
- the center carrier or carriers are arranged on a guide segment and / or a linkage segment of the traverse.
- the center carrier (s) can be arranged along the entire length of the traverse. In this way, a uniform distribution of a plurality of center supports on the traverse regardless of the Traversensegmente feasible. Theoretically, it is then possible to arrange all the center carrier of the lock-up device already on a traverse or a pair of traverses, so that the lock-up device can be realized with a minimum number of traverses.
- the center carrier (s) of the bridging devices are arranged in total on either a linkage segment or a guide segment of the crossbeam.
- the problem of a possible height offset of the truss segments can be circumvented.
- a bridging device with a minimum number of traverses can be realized.
- the traverse can be designed as an obliquely arranged swivel traverse, so that a truss segment can be made particularly long, and on this long truss segment Already all center girders of the bridging device can be arranged.
- At least one central support is at least in the direction of the longitudinal axis of the traverse slidably mounted on this further education.
- At least one center carrier on a center support bearing which allows a storage of the center support both above a guide segment, as well as a rod segment at the same height.
- This center support bearing it is possible to compensate for any differences in the shape between guide segment and rod segment, for example. A vertical offset.
- this enables center carrier bearings to be displaced back and forth above the various truss segments.
- At least one center carrier bearing is formed such that it rests only on a rod segment or a guide segment and does not touch an adjacent truss segment.
- the center carrier bearing can be arranged on a guide segment and bridged an inserted linkage segment without contact, so that a change of the center carrier bearing between different truss segments is avoided.
- the center-carrier bearing preferably has a U-shaped form.
- a preferably U-shaped center carrier bearing can be used in a guide segment formed in plan view as a U-shaped clasp or H-shaped double clasp.
- a laterally edged linkage segment is bridged without contact.
- the center support bearing and the center support for example, in tight building joints, are pushed in an area over the boom segment. This even without the center carrier bearing would have to change the truss segment.
- a height offset between the truss segments can be compensated or skipped.
- At least one center carrier has a center carrier bearing which allows a rotational movement of the traverse below the center carrier.
- the traverse is arranged obliquely in the lock-up device, that a change of or the center carrier between a rod segment and a Guide segment of the traverse is avoided.
- a particularly long traversed in the retracted state can be arranged in the building joint. Movements of the building joint can now largely be considered with a relatively small change in length of the traverse by pivoting the Traverse.
- the traverse then represents a pivoting traverse.
- the Traversensegmente must only be displaced relative to each other in particularly small dimensions in order to minimize unwanted transverse movements of the building parts.
- a bridging device having a plurality of center carriers, these can all already be arranged on a single truss segment, since at least one truss segment can be made sufficiently long for the swivel traverse for this purpose.
- a change of the center support for a uniform distribution of a plurality of center carrier along the longitudinal extent of the traverse is not necessary and avoidable.
- the bridging device can also be realized with a particularly small number of traverses.
- the pivoting beam can also be designed as a pivoting traverse control device for controlling the distances between the center supports arranged on the traverse.
- the center girders are attached to the traverse rotatably. It is also conceivable, however, the arrangement of other control devices, such as spring chains toirritaten the distances between the center support to each other.
- At least one truss bearing preferably both truss bearings, the traverse is designed as NOTEkipplager further education.
- the bridging device has a plurality of cross members, which are each spaced apart from one another and are preferably arranged in pairs in the bridging device. In this way, a particularly resilient bridging device is provided, since the load can be distributed to a plurality of traverses and unfavorable leverage effects are avoided. Such a bridging device is particularly suitable for relatively wide building joints.
- adjacent trusses are substantially parallel with one another in plan view and / or arranged in opposite directions.
- a balanced load on the bridging devices is also possible if the center supports are each mounted exclusively on guide segments of the traverse. Because each two outer guide segments can be an intermediate rod segment bridged.
- the problems described above can be avoided because of a height offset of the truss segments.
- an undesired transverse movement of a bridging device with pivoting traverses can be prevented by the opposing arrangement.
- one or more center supports is / are arranged or fastened on a single truss segment or several similar truss segments, in particular only on guide segments. In this way, the problem that might arise from a height offset or the differences in shape between the Traversensegmenten avoided.
- the shape of the boom segments for a flush alignment of the tops of the center carrier need not be considered and vice versa.
- At least one truss bearing preferably both truss bearings, each truss, is designed such that the truss or the trusses can or may rotate under the or the center beams, so that the traverse or the traverses as Swiveling traverse (s) and in particular as a pivoting traverse control device for the control of the distances between the center support and the edge beams or between the center beams and the edge beams acts or act. In this way, it is particularly easy to realize uniform distances between the center carriers.
- a center carrier bearing or a truss segment has at least one stop for limiting the movement of a center carrier on the truss or beams.
- the movement of the or the center support can now be limited to a Traversensegment and in particular a change of or the center support to another truss segment can be avoided.
- the problem described above, which could result from a height offset or differences in the shape of the truss segments, can be avoided or avoided in this way.
- Sliding surfaces may be formed between center carrier and center carrier bearing and / or between center carrier and cross member (s) of the bridging device.
- the bridging device may comprise at least one sliding material, in particular PTFE, UHMWPE, Polyamide and / or a multi-layer sliding material.
- the at least one sliding material may be arranged on a center support bracket and / or a center support and / or a cross member of the bridging device.
- at least one center carrier bearing on a sliding material and acts as a sliding bearing.
- a center-bridge type bypass device according to a first embodiment is shown.
- the bridging device 1 is arranged in the installed position in a building joint 2 between two structural parts 3, 4.
- the bridging device 1 has two pairs of cross members 5, 6 bridging the structural gap 2, see also FIG Fig. 7 ,
- These trusses 5, 6 each have two truss segments 7, 8, which are arranged displaceably along a longitudinal axis 9 of the traverse 5, 6 and each other in the direction of the longitudinal axis 9, so that the length of the trusses 5, 6 is variable.
- a traverse segment is designed as a guide segment 7 and the other traverse segment as a linkage segment 8, whereby the guide segment 7 guides the linkage segment 8 in the direction of the longitudinal axis 9 of the traverses 5, 6.
- the guide segment 7 is formed as a rectangular tube, wherein the rod segment 8 has a corresponding shape and is slidably mounted in the guide segment 7.
- the rod segments 8 are largely pushed into the guide segments 7, so that the trusses 5, 6 have a relatively small length.
- Fig. 1 shows a first pair of trusses 5, 6 of the lock-up device 1 in the retracted state.
- the two adjacent trusses 5, 6 are spaced from each other in plan view substantially parallel to each other and arranged in opposite directions.
- Center girders 12 are indicated here according to the dashed lines, cf. Fig. 2 ,
- Fig. 2 shows that the lock-up device 1 according to the first embodiment, in addition, two edge beams 10, 11, which are each arranged on the building side building parts 3, 4. Between the edge beams 10, 11 and on the two pairs, the building structure 2 bridging trusses 5, 6 four center beams 12 are arranged in the present case.
- two center carrier bearings 13 for each two of the four center beams 12 are respectively arranged between the center carrier 12 and the guide segments 7 on the trusses 5, 6.
- the other two center supports 12 are not arranged on the traverse 5.
- the bridging device 1 in each case has a truss bearing 16, 17 for supporting the trusses 5, 6 on the respective structural part 3, 4 on. These truss bearings 16, 17 are each arranged in truss boxes on the respective building part 3, 4.
- Fig. 4 shows the lock-up device 1 according to the first embodiment with the building joint 2 open, that is in a wide open position.
- the Traversensegmente 7, 8 are shifted so that the traverse 5, 6 has a relatively large length.
- the rod segments 8 are largely pushed out of the guide segments 7.
- the bridging device 1 is therefore extended in other words.
- the position of the center carrier 12 is indicated by dashed lines.
- Fig. 5 and Fig. 6 show that the center supports 12 in this state to each other and to the edge beams 10, 11 are uniformly spaced.
- the trusses 5, 6 and the Traversensegmente 7, 8 and the control means are designed such that the center carrier 12 are arranged even with extended trusses 5, 6 with as far as possible pushed out of the guide segments 7 rod segments 8 exclusively on the guide segments 7.
- the upper sides 18 of the center girders 12 are always flush with one another and also aligned flush with the upper sides 19 of the edge girders 10, 11.
- Fig. 7 shows a plan view of a retracted lock-up device 1 according to the first embodiment as a whole.
- the bridging device 1 comprises two pairs of parallel spaced and opposite trusses 5, 6 according to FIG Fig. 1 on.
- two of the four center supports 12 are arranged on the respectively identically designed and equally aligned trusses 5, 6 of the truss pairs.
- the center supports 12 are also indicated here by dashed lines.
- the two left-side center girders 12 are each spaced at two, according to Fig. 2 trained trusses 5 arranged, see. Fig. 2 . 5 and 7 , The arranged therebetween, opposite cross member 6 is not touched by the two left-side center support 12.
- the two right-hand center supports 12 are each spaced at two, according to FIG. 3 trained trusses 6 arranged, cf. Fig. 3 . 6 and 7 ,
- the interposed, opposite cross member 5 is through the two left side Center carrier 12 not touched.
- the center supports 12 are arranged entirely exclusively on the guide segments 7 of the trusses 5, 6. If the lock-up device is now extended, the center carrier 12 arranged on each two spaced guide segments 7 bridges an intermediate linkage segment 8 of an opposite cross-member 5, 6.
- the alternating orientation of the cross-members 5, 6 results in a balanced loading of the bridging devices 1 and a uniform distribution of the center supports 12 is reached, although the center girders 12 are arranged exclusively on guide segments 7.
- the problems described above because of the height offset of the truss segments 7, 8 are avoided.
- FIGS. 8 to 12 a lock-up device 1 according to a second embodiment is shown.
- Fig. 8 shows a first of the two trusses 5, 6 of the lock-up device and that this first cross member 5 has three truss segments 7, 8 and is arranged obliquely in the building joint 2.
- the traverse 5 represents a pivoting traverse.
- a middle guide segment 7 is formed as a rectangular tube, wherein two corresponding rod segments 8 protrude from the open end faces 20 of the middle Traversensegments 7 from this and are slidably mounted in this.
- Fig. 8 shows a retracted bridging device or traverse 5.
- the center carrier 12 are indicated by dashed lines only.
- Fig. 9 shows that in the lock-up device 1 according to the second embodiment, four center support bearings 13 for arranging the center supports 12 are arranged on the middle guide segment 7. Opens the building gap pivoted Traverse 5.
- the center support 13 are formed such that they allow a rotational movement of the cross member 5 below the center support 12.
- At the protruding ends 14, 15 of the linkage segments 8 is a respective truss bearing 17 for supporting the cross member 5 to the respective building parts 3, 4 are arranged.
- These truss bearings 17 are designed such that the cross member 5 can rotate under the center beams 12. Even when pivoting the center carrier 12 of the traverse 5 remain on the middle guide segment 7. In addition, a uniform distance between the center beams 12 is maintained.
- the cross member 5 may be formed as a pivoting traverse control device or having springs.
- Fig. 10 shows the lock-up device according to the second embodiment, wherein the building joint 2 by movements of the building parts 3, 4 is increased or opened.
- the cross member 5 is pivoted, in addition, the two rod segments 8 are further pushed out of the middle guide segment 7, so that the cross member 5 has an enlarged length.
- the bridging device 1 is thus extended.
- the position of the center carrier 12 is indicated by dashed lines, cf. Fig. 11 ,
- Fig. 11 shows that the four center supports 12 are equally spaced from each other and with respect to the edge supports 10, 11.
- the cross member 5 is formed and arranged obliquely in the building joint 2, that the center support 12 and the center support 13 do not change from a truss segment 7, 8 to the next.
- the center girder bearing 13 or a truss segment 7, 8 may have at least one stop.
- Fig. 12 shows a plan view of a retracted lock-up device 1 according to the second embodiment as a whole.
- the bridging device 1 has, in addition to the in Fig. 11 5 shown yet another second traverse 6 on. This is criticized by the first and differs from the first in that it is arranged in opposite directions. In this way, a movement of the lock-up device 1 transverse to the building parts 3, 4 is avoided despite the oblique arrangement of the trusses 5, 6. Dashed lines indicate the center supports 12.
- FIGS. 13 to 17 show a lock-up device 1 according to a third embodiment. This differs from the second embodiment, that these two trusses 5, 6 each having two outside, formed in plan view as U-shaped clips guide segments 7 and also a middle linkage segment 8. This rod segment 8 has a corresponding double-TT-carrier-like shape.
- the first cross member 5 of the lockup device is in Fig. 13 shown.
- the center supports 12 are indicated here by dashed lines.
- FIG. 14 shows that the U-shaped center support bearings 21, the middle truss segment 8 to a certain extent bridge. Therefore, although this central carrier bearing 21, although it would have to change from one truss segment 7, 8 to the next, remain arranged on the guide segment 7.
- truss bearings 16 are arranged, which allow a rotational movement of the cross member 5. If this traverse 5 is now pivoted, a uniform distance between center beams 12 is maintained.
- the cross member 5 may be formed as a pivoting traverse control device or having springs. It is also possible to arrange the cross member 5 vertically in the building joint 2.
- FIGS. 13 and 14 are shown in a relatively small or closed building joint 2, the outer truss segments 7 of the first cross member 5 of the lock-up device 1 pushed towards each other and enclose the middle truss segment 8 side.
- the cross member 5 has a relatively small longitudinal extension, which results essentially from the sum of the lengths of the outer cross member segments 7.
- the lock-up device 1 is retracted.
- FIGS. 15 and 16 show the lock-up device 1 according to the third embodiment in the open state.
- the cross member 5 is pivoted. Furthermore, the longitudinal extension of the traverse 5 is increased by the fact that the middle rod segment 8 is largely pushed out of the two outer guide segments 7 addition.
- the lock-up device 1 is extended.
- dashed lines are the center carrier 12 in Fig. 15 indicated.
- center supports 12 are equally spaced from one another and with respect to the edge supports 10, 11. Due to the differently shaped center support bearings 13, 21, the center supports 12 are mounted both above the guide segments 7 as well as the middle rod segment 8 at the same height.
- the center support bearings 21, which are arranged on the two outer center beams 12, are designed such that the respective center support bearing 21 rests only on an associated guide segment 7 and the adjacent, middle rod segment 8 is not touched.
- these center support bearings 12 preferably have a U-shaped configuration.
- These center carrier bearings 21 make it possible for the associated center supports 12 on the cross member 5 to be displaced at least partially back and forth between the crosspiece segments 7, 8, cf. Fig. 14 ,
- Fig. 17 shows a plan view of a retracted lock-up device 1 according to the third embodiment as a whole.
- the bridging device 1 has, in addition to the in Fig. 13 5 shown yet another second, spaced Traverse 6 on. This only differs from the first in that it is arranged in opposite directions. An unwanted transverse movement of the bridging device 1 to the building parts 3, 4 is avoided by the opposite arrangement of the trusses 5, 6.
- the center supports 12 are indicated here by dashed lines.
- Fig. 18 shows in detail how a central support 12 is mounted on a guide segment 7 of the first cross member 5 according to the third embodiment.
- a U-shaped center carrier bearing 21 between the center carrier 12 and guide segment 7 is arranged.
- the U-shaped center carrier bearing 21 is designed such that it bridges over a non-contacting over the top of the guide segment 7 projecting segment portion 22 of a bordered in the guide segment 7 linkage segment 8.
- Fig. 19 shows how a center support 12 is mounted on a central rod segment 8 of the first cross member 5 according to the third embodiment.
- a mid-carrier bearing 13 arranged therebetween is arranged between the center carrier 12 and the guide segment 8.
- FIGS. 20 and 21 show variants of Traverse 5. It shows Fig. 20 a first variant of the traverse 5, which differs from the first traverse 5 of the third embodiment of the lock-up device in that the or the guide segments 7 is formed in such a corresponding manner with respect to the linkage segment 8, so that the tops 23, 24th the various truss segments 7, 8 of the traverse 5 are aligned flush with each other. As a result, a height offset is avoided.
- a center carrier bearing 13 between the cross member 5 and the center carrier 12 is arranged in each case.
- the traverse 5 allows a displaceable mounting of the center carrier 12 without different center carrier bearing both on a guide segment 7 as well as on a rod segment 8.
- Fig. 21 shows a further variant of the traverse 5. This is similar to the trusses 5, 6 of the first and second embodiment of the lock-up device 1 is formed.
- the linkage segment 8 also has a spring 25, which engages in an upper-side groove 26 of the respective guide segment 7 such that the upper sides 23, 24 of the various truss segment 7, 8 of the traverse 5 are aligned flush with each other.
- a center carrier bearing 13 is arranged between the center carrier 12 and traverse 5 arranged. This alternative also enables a displaceable mounting of the center girders 12 without different center girder bearings both on a guide segment 7 and on a rod segment 8.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Bridges Or Land Bridges (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Road Paving Structures (AREA)
- Joining Of Building Structures In Genera (AREA)
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Description
Die Erfindung betrifft eine Überbrückungsvorrichtung in Mittelträgerbauweise, für eine Bauwerksfuge zwischen zwei Bauwerksteilen mit wenigstens zwei Randträgern und wenigstens einem Mittelträger, der zwischen den Randträgern und auf wenigstens einer, die Bauwerksfuge überbrückenden Traverse, angeordnet ist, die an ihren seitlichen Enden jeweils ein Traversenlager zur Lagerung der Traverse an den jeweiligen Bauwerksteilen aufweisen.The invention relates to a bridging device in the center beam construction, for a building joint between two structural parts with at least two edge beams and at least one center carrier, which is arranged between the edge beams and at least one, the building structure bridging cross member, at their lateral ends in each case a truss bearing for storage have the traverse on the respective building parts.
Im Allgemeinen werden solche Vorrichtungen dazu eingesetzt, Bauwerksfugen zwischen zwei Bauwerksteilen, insbesondere zwischen zwei Brückenteilen wie beispielsweise einem Brückenkopf bzw. Widerlager und einem Brückenaufleger bzw. Brückenträger oder aneinander angrenzender Brückenträger, so zu überbrücken, dass Fahrzeuge und Lebewesen gefahrlos von einem Bauteil zum anderen Bauteil gelangen können. Die auch Bewegungsfugen oder Dehnfugen genannten Bauwerksfugen, dienen dem Ausgleich von Bewegungen der Bauwerksteile zueinander.In general, such devices are used to bridge building joints between two parts of the structure, in particular between two bridge parts such as a bridgehead or abutment and a bridge support or bridge girder or adjoining bridge girder so that vehicles and animals safely from one component to another component can reach. The construction joints also called movement joints or expansion joints, serve to compensate for movements of the building parts to each other.
Überbrückungsvorrichtungen sind aus dem Stand der Technik in vielfältigen Ausführungsformen bekannt. Entsprechende Überbrückungsvorrichtungen in Mittelträgerbauweise werden in der
Um gleichmäßige Abstände zwischen einzelnen Mittelträgern zueinander und ggf. zu den Randträgern zu erreichen und um ein Auswandern der Mittelträger zu verhindern, werden sogenannte Steuerungsvorrichtungen eingesetzt. Solche Steuerungsvorrichtungen werden beispielsweise durch Federketten, Scheren oder auch mit Hilfe sogenannter Schwenktraversen gebildet.In order to achieve uniform distances between individual center supports to each other and possibly to the edge beams and to prevent emigration of the center support, so-called control devices are used. Such control devices are formed for example by spring chains, scissors or with the help of so-called pivoting traverses.
Zur Berücksichtigung der Bewegung der Bauwerksteile sind bei herkömmlichen Traversen zumeist bauseitig Aufnahmebereiche angeordnet, in welche die Traversen teilweise einschiebbar sind. Diese Aufnahmebereiche werden auch als Traversenkästen bezeichnet. Die Gestalt dieser Aufnahmebereiche richtet sich nach der zu erwartenden Bewegung und kann dementsprechend sehr ausladend ausfallen.In order to take into account the movement of the building parts in conventional trusses usually receiving areas are arranged on site, in which the trusses are partially inserted. These receiving areas are also referred to as truss boxes. The shape of these receiving areas depends on the expected movement and can accordingly be very expansive.
Je nach baulichen Gegebenheiten kann die Bereitstellung von Traversenkästen sehr schwierig bis praktisch nicht möglich sein. Beispielsweise endet bei Stahlbrücken die Fahrbahnplatte in der Regel mit einem Endquerträger, der nicht durchbrochen werden darf. Wird eine solche Brücke nicht schon bei der Planung so ausgelegt, dass genug Platz für den Traversenkasten vorgesehen ist, ist eine Nachrüstung eines Traversenkastens manchmal praktisch nicht möglich. So können gerade bei Modernisierungsarbeiten die besonders vorteilhaften Überbrückungsvorrichtungen in Mittelträger- bzw. Lamellenbauweise gar nicht zum Einsatz kommen.Depending on the structural conditions, the provision of truss boxes can be very difficult to practically impossible. For example, ends in steel bridges, the deck plate usually with an end cross member, which may not be broken. If such a bridge is not already designed during the planning so that enough space is provided for the truss box, retrofitting a truss box is sometimes practically impossible. Thus, especially in modernization work, the particularly advantageous bridging devices in center-girder or lamella construction can not be used at all.
Vor diesem Hintergrund ist es Aufgabe der vorliegenden Erfindung, eine neuartige Überbrückungsvorrichtung bereitzustellen, die insbesondere besonders platzsparend ausgebildet ist und zudem besonders einfach und direkt zwischen angrenzenden Bauwerksteilen bzw. Bauwerksfugen angeordnet werden kann.Against this background, it is an object of the present invention to provide a novel bridging device, which in particular is designed to save space and also particularly simple and can be arranged directly between adjacent building parts or building joints.
Die Aufgabe wird dadurch gelöst, dass die eingangs beschriebene Überbrückungsvorrichtung eine Traverse mit wenigstens zwei Traversensegmenten aufweist, die entlang einer Längsachse der Traverse und zueinander in Richtung der Längsachse verschieblich angeordnet sind, so dass die Länge der Traverse veränderlich ist. Die erfindungsgemäße Überbrückungsvorrichtung ist also in sich ein- und ausfahrbar. Hierdurch wird eine längenveränderbare Traverse bereitgestellt, wodurch auf besonders platzsparende Weise Bewegungen der Bauwerksteile zueinander berücksichtigt werden können. Da die erfindungsgemäße Traverse selbst längsveränderlich ist, müssen an den Bauwerksteilen nun keine gesonderten Aufnahmebereiche zum Einschieben der Traverse vorgesehen werden.The object is achieved in that the bridging device described above has a traverse with at least two truss segments, which are arranged displaceably along a longitudinal axis of the crossbar and each other in the direction of the longitudinal axis, so that the length of the traverse is variable. The bridging device according to the invention is thus retractable and extendable. As a result, a variable-length traverse is provided, whereby movements of the building parts to each other can be considered in a particularly space-saving manner. Since the truss according to the invention itself is longitudinally variable, now no separate receiving areas for insertion of the traverse must be provided on the building parts.
Bisher wurde u.a. nicht von der konventionellen einstückigen Traverse abgewichen und eine mehrteilige, längsveränderliche Traverse nach dem Vorbild von Teleskoparmen, wie sie bspw. bei Kränen verwendet werden, vorgeschlagen, da ein derartiger Aufbau bei Überbrückungsvorrichtungen Probleme aufwirft. Teleskoparme weisen Segmente auf, die zumeist als rechteckige ineinander schiebbare Rohre ausgebildet sind. Die Mantelflächen der Segmente fluchten nicht miteinander, sondern weisen einen Höhenversatz auf, der zumeist der Materialstärke der Segmente entspricht.So far, inter alia, has not deviated from the conventional one-piece traverse and a multi-part, variable-length traverse after the model of telescopic arms, as they used in cranes, for example, since such a structure poses problems with bridging devices. Telescopic arms have segments, which are usually designed as rectangular telescoping tubes. The lateral surfaces of the segments are not aligned with each other, but have a height offset, which usually corresponds to the material thickness of the segments.
Durch den Versatz der Mantelflächen kann ein darauf angeordneter Mittelträger nicht einfach von einem Segment zum anderen und zurück wechseln. Der bzw. die Mittelträger einer Überbrückungsvorrichtung in Mittelträgerbauweise sollte/sollten auf der gesamten Länge der Traverse bzw. der Überbrückungsvorrichtung gleichmäßig angeordnet werden können bzw. verschoben werden können, um Bewegungen der Bauwerksfuge zu berücksichtigen. Durch diesen Versatz ist auch es nicht ohne weiteres möglich, die Oberseiten der Mittelträger bündig zueinander bzw. derart in gleicher Höhe auf den verschiedenen Segmenten anzuordnen, dass die Oberseiten zueinander sowie mit den Oberseiten der Randträger und den Bauwerksteilen z.B. Fahrbahnen fluchten. Die Lasteinleitung erfolgt bei bekannten Systemen mit Teleskoparmen im Wesentlichen endseitig. Eine Lasteinleitung großer Querkräfte quer zur Längserstreckung des Teleskoparms, über die einzelnen sich übergreifenden Segmente hinweg, wie dies bei Überbrückungsvorrichtungen in Mittelträgerbauweise auftreten würde, ist bisher nicht erprobt worden.Due to the offset of the lateral surfaces, a center carrier arranged thereon can not easily change from one segment to the other and back. The center carrier of a bridging device in the center-carrier construction should / should be able to be uniformly arranged over the entire length of the traverse or the bridging device or can be displaced in order to take into account movements of the building joint. By this offset, it is also not readily possible, the tops of the center support flush to each other or to arrange at the same height on the various segments that the tops to each other and with the tops of the edge beams and the structural parts, for. Lanes are aligned. The load introduction takes place in known systems with telescopic arms substantially end. A load transfer large transverse forces transverse to the longitudinal extent of the telescopic arm, on the individual overlapping segments away, as would occur in bridging devices in center-carrier construction, has not been tested.
Zweckmäßigerweise ist zumindest ein Traversensegment als Führungssegment und ein Traversensegment als Gestängesegment ausgebildet, wobei das Führungssegment das Gestängesegment zumindest in Richtung der Längsachse der Traverse führt. Dadurch kann das Gestängesegment durch das Führungssegment gestützt werden.Conveniently, at least one truss segment is designed as a guide segment and a truss segment as a linkage segment, wherein the guide segment guides the linkage segment at least in the direction of the longitudinal axis of the truss. As a result, the linkage segment can be supported by the guide segment.
Für eine besonders robuste und genaue Führung ist das Führungssegment gemäß einer Weiterbildung zumindest abschnittsweise als Rohr ausgebildet, in dem das Gestängesegment zumindest teilweise hinein verschieblich gelagert ist. Dieses Rohr kann bspw. eine rechteckige oder andersartig kantige Mantelfläche aufweisen, so dass das Gestängesegment verdrehsicher in dem Rohr angeordnet werden kann.For a particularly robust and accurate guidance, the guide segment is according to a development at least partially formed as a tube in which the rodding segment is at least partially slidably mounted. This tube may, for example, have a rectangular or otherwise angular surface, so that the rodding segment can be arranged against rotation in the tube.
Für eine verdrehsichere Führung weist das Führungssegment weiterbildend wenigstens eine sich parallel zur Längsachse der Traverse erstreckende Feder auf, die in eine Nut im Gestängesegment eingreift oder umgekehrt. Durch Nut und Feder ist es vorteilhafterweise auch möglich einen Versatz bei den Mantelflächen der Traversensegmente auszugleichen, so dass die Oberflächen der Traversensegmente zumindest teilweise bündig zu einander ausgerichtet sind. Dadurch ist es möglich Mittelträger einfach in gleicher Höhe auf den verschieden Traversensegmenten anzuordnen und zudem zwischen den verschiedenen Traversensegmenten hin und her zu verschieben.For a torsion-proof guide, the guide segment further has at least one spring extending parallel to the longitudinal axis of the traverse, which engages in a groove in the linkage segment or vice versa. By tongue and groove, it is advantageously also possible to compensate for an offset in the lateral surfaces of the truss segments, so that the surfaces of the truss segments are at least partially aligned flush with each other. As a result, it is possible to simply arrange center girders at the same height on the different truss segments and also to move them back and forth between the different truss segments.
Das Führungssegment ist weiterbildend als in der Draufsicht U-förmige Spange oder als H-förmige Doppelspange ausgebildet, welche das Gestängesegment zumindest teilweise seitlich einfasst und zumindest quer zur Längsachse der Traverse hält. Diese Ausführung hat den Vorteil, dass das Gestängesegment an der Oberseite nicht von dem Führungssegment eingefasst ist und somit einen zugänglichen freiliegenden Bereich aufweist, an dem ein Mittelträger unabhängig von der relativen Lage des Gestängesegments zu dem Führungssegment angeordnet werden kann.The guide segment is formed further than in the plan view U-shaped clip or H-shaped double clasp, which surrounds the rodding segment at least partially laterally and holds at least transversely to the longitudinal axis of the traverse. This embodiment has the advantage that the linkage segment is not bordered by the guide segment at the top and thus has an accessible exposed area, on which a center carrier can be arranged independently of the relative position of the linkage segment to the guide segment.
Das Gestängesegment kann korrespondierend zu dem Führungssegment ausgebildet sein, um eine zweckmäßige, weitestgehend spielfreie Lagerung zu ermöglichen.The linkage segment may be formed corresponding to the guide segment to allow a convenient, largely backlash-free storage.
Weiterbildend ist das Gestängesegment zumindest abschnittsweise als massiver und/oder hohler Träger ausgebildet, insbesondere als T-Träger, Doppel-T-Träger und/oder Rechteckrohr. Derartige Trägerformen haben sich für Biegebeanspruchungen bewährt.Developing the linkage segment is at least partially formed as a solid and / or hollow carrier, in particular as a T-beam, double T-beam and / or rectangular tube. Such carrier forms have proven themselves for bending stresses.
Zur Überbrückung größerer Bauwerksfugen sind weiterbildend wenigstens zwei Mittelträger in der Überbrückungsvorrichtung angeordnet, wobei die Oberseiten der Mittelträger bündig zueinander ausgerichtet sind. Zweckmäßigerweise können die Oberseiten der Mittelträger zudem bündig zu den Oberseiten der Randträger und den Oberseiten der Bauwerksteile ausgebildet sein. Auf diese Weise ist gewährleistet, dass die Überbrückungsvorrichtung eine Ebene aufspannt, auf der Fahrzeuge oder Lebewesen den Bauwerksspalt sicher passieren können.To bridge larger building joints, at least two center girders are further arranged in the bridging device, wherein the upper sides of the center girders are aligned flush with one another. Expediently, the upper sides of the center girders can also be designed to be flush with the upper sides of the edge girders and the upper sides of the building parts. In this way, it is ensured that the bridging device spans a plane on which vehicles or living beings can safely pass the building gap.
Weiterbildend sind der oder die Mittelträger auf einem Führungssegment und/oder einem Gestängesegment der Traverse angeordnet. Gemäß der ersten Alternative können der oder die Mittelträger auf der gesamten Länge der Traverse angeordnet werden. Auf diese Weise ist eine gleichmäßige Verteilung mehrerer Mittelträger auf der Traverse ungeachtet der Traversensegmente realisierbar. Theoretisch ist es dann möglich alle Mittelträger der Überbrückungsvorrichtung bereits auf einer Traverse bzw. einem Paar von Traversen anzuordnen, so dass die Überbrückungsvorrichtung mit einer minimalen Anzahl von Traversen realisierbar ist. Gemäß der zweiten Alternative sind der oder die Mittelträger der Überbrückungsvorrichtungen insgesamt entweder auf einem Gestängesegment oder einem Führungssegment der Traverse angeordnet. Hierdurch kann die Problematik eines möglichen Höhenversatzes der Traversensegmente umgangen werden. Auch bei dieser Alternative ist eine Überbrückungsvorrichtung mit einer minimalen Anzahl von Traversen realisierbar. Beispielsweise kann die Traverse als schräg angeordnete Schwenktraverse ausgeführt sein, so dass ein Traversensegment besonders lang ausgebildet werden kann, und auf diesem langen Traversensegment bereits alle Mittelträger der Überbrückungsvorrichtung angeordnet werden können.In a further development, the center carrier or carriers are arranged on a guide segment and / or a linkage segment of the traverse. According to the first alternative, the center carrier (s) can be arranged along the entire length of the traverse. In this way, a uniform distribution of a plurality of center supports on the traverse regardless of the Traversensegmente feasible. Theoretically, it is then possible to arrange all the center carrier of the lock-up device already on a traverse or a pair of traverses, so that the lock-up device can be realized with a minimum number of traverses. According to the second alternative, the center carrier (s) of the bridging devices are arranged in total on either a linkage segment or a guide segment of the crossbeam. As a result, the problem of a possible height offset of the truss segments can be circumvented. Also in this alternative, a bridging device with a minimum number of traverses can be realized. For example, the traverse can be designed as an obliquely arranged swivel traverse, so that a truss segment can be made particularly long, and on this long truss segment Already all center girders of the bridging device can be arranged.
Um auch bei Bewegung der Bauwerksteile eine gleichmäßige Verteilung der Mittelträger auf der Traverse zu realisieren, ist weiterbildend wenigstens ein Mittelträger zumindest in Richtung der Längsachse der Traverse verschieblich auf dieser gelagert.In order to realize a uniform distribution of the central support on the traverse even when moving the building parts, at least one central support is at least in the direction of the longitudinal axis of the traverse slidably mounted on this further education.
Für eine gleichmäßige Verteilung der Mittelträger auf der Traverse, weist wenigstens ein Mittelträger ein Mittelträgerlager auf, das eine Lagerung des Mittelträgers sowohl oberhalb eines Führungssegments, wie auch eines Gestängesegments in gleicher Höhe ermöglicht. Durch dieses Mittelträgerlager ist es möglich, etwaige Unterschiede in der Gestalt zwischen Führungssegment und Gestängesegment, bspw. einen Höhenversatz auszugleichen. Zudem ermöglicht dies, dass Mittelträgerlager oberhalb der verschiedenen Traversensegmente hin und her verschiebbar sind.For a uniform distribution of the center support on the traverse, at least one center carrier on a center support bearing, which allows a storage of the center support both above a guide segment, as well as a rod segment at the same height. Through this center support bearing, it is possible to compensate for any differences in the shape between guide segment and rod segment, for example. A vertical offset. In addition, this enables center carrier bearings to be displaced back and forth above the various truss segments.
Weiterbildend ist wenigstens ein Mittelträgerlager derart ausgebildet, dass dieses nur an einem Gestängesegment oder einem Führungssegment aufliegt und ein benachbartes Traversensegment nicht berührt. Beispielsweise kann das Mittelträgerlager auf einem Führungssegment angeordnet sein und ein eingeschobenes Gestängesegment berührungslos überbrücken, so dass ein Wechsel des Mittelträgerlagers zwischen verschiedenen Traversensegmenten vermieden wird. Hierfür weist das Mittelträgerlager vorzugsweise eine U-förmig Gestalt auf.Further, at least one center carrier bearing is formed such that it rests only on a rod segment or a guide segment and does not touch an adjacent truss segment. For example, the center carrier bearing can be arranged on a guide segment and bridged an inserted linkage segment without contact, so that a change of the center carrier bearing between different truss segments is avoided. For this purpose, the center-carrier bearing preferably has a U-shaped form.
Insbesondere bei einem in Draufsicht als U-förmige Spange oder H-förmige Doppelspange ausgebildeten Führungssegment kann ein vorzugsweise U-förmiges Mittelträgerlager verwendet werden. Mittels dem U-förmigen Mittelträgerlager ist dann ein seitlich eingefasstes Gestängesegment berührungslos überbrückbar. Auf diese Weise kann das Mittelträgerlager und der Mittelträger, beispielsweise bei engen Bauwerksfugen, in einem Bereich über das Gestängesegment geschoben werden. Dies sogar ohne dass das Mittelträgerlager das Traversensegment wechseln müsste. Ferner kann ein Höhenversatz zwischen den Traversensegmenten ausgeglichen bzw. übersprungen werden.In particular, in a guide segment formed in plan view as a U-shaped clasp or H-shaped double clasp, a preferably U-shaped center carrier bearing can be used. By means of the U-shaped center carrier bearing then a laterally edged linkage segment is bridged without contact. In this way, the center support bearing and the center support, for example, in tight building joints, are pushed in an area over the boom segment. This even without the center carrier bearing would have to change the truss segment. Furthermore, a height offset between the truss segments can be compensated or skipped.
Gemäß einer Weiterbildung weist wenigstens ein Mittelträger ein Mittelträgerlager auf, das eine Drehbewegung der Traverse unterhalb des Mittelträgers zulässt. Hierdurch können einerseits Bewegungen der Bauwerksteile in unterschiedliche Richtungen berücksichtigt werden. Andererseits ist es möglich, die Traverse nicht nur senkrecht zu den Randträgern, sondern auch als Schwenktraverse in einem schrägen Winkel anzuordnen.In accordance with a further development, at least one center carrier has a center carrier bearing which allows a rotational movement of the traverse below the center carrier. As a result, on the one hand movements of the building parts in different directions can be considered. On the other hand, it is possible to arrange the traverse not only perpendicular to the edge beams, but also as a pivoting traverse at an oblique angle.
Weiterbildend ist die Traverse derart schräg in der Überbrückungsvorrichtung angeordnet, dass ein Wechsel des bzw. der Mittelträger zwischen einem Gestängesegment und einem Führungssegment der Traverse vermieden wird. Denn bei einer schrägen Anordnung, beispielsweise in einem Winkel von 45°, kann auch eine im eingefahrenen Zustand besonders lange Traverse in der Bauwerksfuge angeordnet werden. Bewegungen der Bauwerksfuge können nun weitestgehend mit einer verhältnismäßig geringen Längenveränderung der Traverse durch Schwenken der Traverse berücksichtig werden. Die Traverse stellt dann eine Schwenktraverse dar. Die Traversensegmente müssen nur in besonders geringen Maßen zueinander verschiebbar sein, um ungewollte Querbewegungen der Bauwerksteile zu minimieren. Nun ist es möglich, dass auch bei einer Überbrückungsvorrichtung mit mehreren Mittelträgern diese bereits alle auf einem einzelnen Traversensegment angeordnet werden können, da zumindest ein Traversensegment bei der Schwenktraverse hierfür ausreichend lang ausgebildet werden kann. Bei dieser Ausbildung als schräg angeordnete Schwenktraverse mit zumindest einem besonders langen Traversensegment und einer besonders geringen Längenveränderung der Traverse, ist ein Wechsel der Mittelträger für eine gleichmäßige Verteilung mehrerer Mittelträger entlang der Längserstreckung der Traverse nicht notwendig und vermeidbar. Die Überbrückungsvorrichtung ist derart auch mit einer besonders geringen Anzahl von Traversen realisierbar.Further, the traverse is arranged obliquely in the lock-up device, that a change of or the center carrier between a rod segment and a Guide segment of the traverse is avoided. For with an oblique arrangement, for example at an angle of 45 °, a particularly long traversed in the retracted state can be arranged in the building joint. Movements of the building joint can now largely be considered with a relatively small change in length of the traverse by pivoting the Traverse. The traverse then represents a pivoting traverse. The Traversensegmente must only be displaced relative to each other in particularly small dimensions in order to minimize unwanted transverse movements of the building parts. Now it is possible that even with a bridging device having a plurality of center carriers, these can all already be arranged on a single truss segment, since at least one truss segment can be made sufficiently long for the swivel traverse for this purpose. In this embodiment, as an obliquely arranged pivoting traverse with at least one particularly long truss segment and a particularly small change in length of the traverse, a change of the center support for a uniform distribution of a plurality of center carrier along the longitudinal extent of the traverse is not necessary and avoidable. The bridging device can also be realized with a particularly small number of traverses.
Weiterbildend kann die Schwenktraverse auch als Schwenktraversen-Steuerungsvorrichtung zur Steuerung der Abstände der, auf der Traverse angeordneten Mittelträger ausgebildet sein. Hierzu werden die Mittelträger an der Traverse drehbeweglich befestigt. Denkbar ist aber auch die Anordnung sonstiger Steuerungsvorrichtungen, wie etwa Federketten, um die Abstände der Mittelträger zueinander auszusteuern.In a further development, the pivoting beam can also be designed as a pivoting traverse control device for controlling the distances between the center supports arranged on the traverse. For this purpose, the center girders are attached to the traverse rotatably. It is also conceivable, however, the arrangement of other control devices, such as spring chains to auszusteuern the distances between the center support to each other.
Zur Berücksichtigung von Bewegungen der Bauwerksteile in unterschiedlichsten Richtungen, beispielsweise bei einem Erdbeben, ist weiterbildend wenigstens ein Traversenlager, vorzugsweise beide Traversenlager, der Traverse als Punktkipplager ausgestaltet.In order to take into account movements of the building parts in different directions, for example in an earthquake, at least one truss bearing, preferably both truss bearings, the traverse is designed as Punktkipplager further education.
Weiterbildend weist die Überbrückungsvorrichtung mehrere Traversen auf, die jeweils beabstandet zueinander und vorzugsweise paarweise in der Überbrückungsvorrichtung angeordnet sind. Auf diese Weise wird eine besonders belastbare Überbrückungsvorrichtung bereitgestellt, da die Belastung auf mehrere Traversen verteilbar ist und ungünstige Hebelwirkungen vermieden werden. Eine derartige Überbrückungsvorrichtung ist insbesondere für relativ breite Bauwerksfugen geeignet.In a further development, the bridging device has a plurality of cross members, which are each spaced apart from one another and are preferably arranged in pairs in the bridging device. In this way, a particularly resilient bridging device is provided, since the load can be distributed to a plurality of traverses and unfavorable leverage effects are avoided. Such a bridging device is particularly suitable for relatively wide building joints.
Gemäß einer Weiterbildung sind benachbarte Traversen in Draufsicht zueinander im Wesentlichen parallel beanstandet und/oder gegenläufig angeordnet. Auf diese Weise ist eine ausgeglichene Belastung der Überbrückungsvorrichtungen auch dann möglich, falls die Mittelträger jeweils ausschließlich an Führungssegmenten der Traverse gelagert sind. Denn jeweils zwei äußere Führungssegmente können ein zwischenliegendes Gestängesegment überbrücken. Auf diese Weise können zudem die eingangs beschriebenen Probleme wegen eines Höhenversatzes der Traversensegmente umgangen werden. Ferner kann durch die gegenläufige Anordnung eine ungewollte Querbewegung einer Überbrückungsvorrichtung mit Schwenktraversen verhindert werden.According to a further development, adjacent trusses are substantially parallel with one another in plan view and / or arranged in opposite directions. In this way, a balanced load on the bridging devices is also possible if the center supports are each mounted exclusively on guide segments of the traverse. Because each two outer guide segments can be an intermediate rod segment bridged. In this way, in addition, the problems described above can be avoided because of a height offset of the truss segments. Furthermore, an undesired transverse movement of a bridging device with pivoting traverses can be prevented by the opposing arrangement.
Um Mittelträger besonders einfach auf gleicher Höhe anordnen zu können, ist bzw. sind weiterbildend ein und/oder mehrere Mittelträger an einem einzelnen Traversensegment oder mehreren gleichartigen Traversensegmenten, insbesondere nur auf Führungssegmenten angeordnet bzw. befestigt. Auf diese Weise wird die Problematik, die sich aus einem Höhenversatz bzw. den Unterschieden in der Gestalt zwischen den Traversensegmenten ergeben könnte, vermieden. Denn durch Beschränkung der Anordnung der Mittelträger beispielsweise nur auf Führungssegmenten, braucht die Gestalt der Gestängesegmente für eine bündige Ausrichtung der Oberseiten der Mittelträger nicht berücksichtigt werden und umgekehrt.In order to be able to arrange center supports particularly easily at the same height, one or more center supports is / are arranged or fastened on a single truss segment or several similar truss segments, in particular only on guide segments. In this way, the problem that might arise from a height offset or the differences in shape between the Traversensegmenten avoided. For by restricting the arrangement of the center support, for example, only on guide segments, the shape of the boom segments for a flush alignment of the tops of the center carrier need not be considered and vice versa.
Gemäß einer Weiterbildung ist bzw. sind wenigstens ein Traversenlager, vorzugsweise beide Traversenlager, jeder Traverse, so ausgestaltet, dass die Traverse bzw. die Traversen sich unter dem bzw. den Mittelträgern verdrehen kann bzw. können, so dass die Traverse bzw. die Traversen als Schwenktraverse(n) und insbesondere als Schwenktraversen-Steuerungsvorrichtung für die Steuerung der Abstände zwischen dem Mittelträger und den Randträgern bzw. zwischen den Mittelträgern und den Randträgern wirkt bzw. wirken. Auf diese Weise können besonders einfach gleichmäßige Abstände zwischen den Mittelträgern realisiert werden.According to a further development, at least one truss bearing, preferably both truss bearings, each truss, is designed such that the truss or the trusses can or may rotate under the or the center beams, so that the traverse or the traverses as Swiveling traverse (s) and in particular as a pivoting traverse control device for the control of the distances between the center support and the edge beams or between the center beams and the edge beams acts or act. In this way, it is particularly easy to realize uniform distances between the center carriers.
Zur Steuerung der Abstände zwischen den Mittelträgern und den Randträgern können aber auch Federn oder sonst wie geeignete alternative Steuerungsvorrichtungen zwischen den Randträgern und der bzw. den Mittelträgern als Steuervorrichtung angeordnet sein.To control the distances between the center beams and the edge beams but also springs or other suitable alternative control devices between the edge beams and the or the center carriers may be arranged as a control device.
Gemäß einer Weiterbildung weist ein Mittelträgerlager oder ein Traversensegment wenigstens einen Anschlag zur Begrenzung der Bewegung eines Mittelträgers auf der bzw. den Traversen auf. Die Bewegung des bzw. der Mittelträger kann nun auf ein Traversensegment begrenzt werden und dabei insbesondere ein Wechsel des bzw. der Mittelträger auf ein anderes Traversensegment vermieden werden. Die eingangs beschriebene Problematik, die sich aus einem Höhenversatz bzw. aus Unterschieden in der Gestalt der Traversensegmente ergeben könnte, kann auf diese Weise vermieden bzw. umgangen werden.According to a development, a center carrier bearing or a truss segment has at least one stop for limiting the movement of a center carrier on the truss or beams. The movement of the or the center support can now be limited to a Traversensegment and in particular a change of or the center support to another truss segment can be avoided. The problem described above, which could result from a height offset or differences in the shape of the truss segments, can be avoided or avoided in this way.
Zwischen Mittelträger und Mittelträgerlager und/oder zwischen Mittelträger und Traverse(n) der Überbrückungsvorrichtung können Gleitflächen ausgebildet sein, Die Überbrückungsvorrichtung kann zumindest einen Gleitwerkstoff aufweisen, insbesondere PTFE, UHMWPE, Polyamid und/oder einem Mehrschicht-Gleitwerkstoff. Der wenigstens eine Gleitwerkstoff kann am einem Mittelträgerläger und/oder einem Mittelträger und/oder einer Traverse der Überbrückungsvorrichtung angeordnet sein. Vorzugsweise weist wenigstens ein Mittelträgerlager einen Gleitwerkstoff auf und wirkt als Gleitlager.Sliding surfaces may be formed between center carrier and center carrier bearing and / or between center carrier and cross member (s) of the bridging device. The bridging device may comprise at least one sliding material, in particular PTFE, UHMWPE, Polyamide and / or a multi-layer sliding material. The at least one sliding material may be arranged on a center support bracket and / or a center support and / or a cross member of the bridging device. Preferably, at least one center carrier bearing on a sliding material and acts as a sliding bearing.
Nachfolgend wird die Erfindung anhand von in den Zeichnungen dargestellten Ausführungsbeispielen näher erläutert. Darin zeigen schematisch:
- Fig. 1
- eine Draufsicht auf einen Ausschnitt einer eingefahrenen Überbrückungsvorrichtung gemäß einer ersten Ausführungsform;
- Fig. 2
- eine Schnittdarstellung des in
Fig. 1 gezeigten Ausschnitts gemäß Schnittebene A-A; - Fig. 3
- eine Schnittdarstellung des in
Fig. 1 gezeigten Ausschnitts gemäß Schnittebene B-B; - Fig. 4
- eine Draufsicht auf einen Ausschnitt einer ausgefahrenen Überbrückungsvorrichtungen gemäß der ersten Ausführungsform;
- Fig. 5
- eine Schnittdarstellung des in
Fig. 4 gezeigten Ausschnitts gemäß Schnittebene A-A; - Fig. 6
- eine Schnittdarstellung des in
Fig. 4 gezeigten Ausschnitts gemäß Schnittebene B-B; - Fig. 7
- eine Draufsicht auf eine eingefahrene Überbrückungsvorrichtung gemäß der ersten Ausführungsform;
- Fig. 8
- eine Draufsicht auf einen Ausschnitt einer eingefahrenen Überbrückungsvorrichtung gemäß einer zweiten Ausführungsform;
- Fig. 9
- eine Seitenansicht auf den Ausschnitt gemäß
Fig. 8 in Schnittdarstellung; - Fig. 10
- eine Draufsicht auf einen Ausschnitt einer ausgefahrenen Überbrückungsvorrichtung gemäß der zweiten Ausführungsform;
- Fig. 11
- eine Seitenansicht auf die Überbrückungsvorrichtung gemäß
Fig. 10 in Schnittdarstellung; - Fig. 12
- eine Draufsicht auf eine eingefahrene Überbrückungsvorrichtung gemäß der zweiten Ausführungsform;
- Fig. 13
- eine Draufsicht auf einen Ausschnitt eine eingefahrene Überbrückungsvorrichtung gemäß einer dritten Ausführungsform;
- Fig. 14
- eine Seitenansicht auf den Ausschnitt gemäß
Fig. 13 ; - Fig. 15
- eine Draufsicht auf einen Ausschnitt einer ausgefahrenen Überbrückungsvorrichtung gemäß der dritten Ausführungsform;
- Fig. 16
- eine Seitenansicht auf den
Ausschnitt gemäß Figur 15 in Schnittdarstellung; - Fig. 17
- eine Draufsicht auf eine eingefahrene Überbrückungsvorrichtung gemäß der dritten Ausführungsform;
- Fig. 18
- eine Schnittdarstellung der in
dargestellten Schnittebene A-A;Figur 13 - Fig. 19
- eine Schnittdarstellung der in
dargestellten Schnittebene B-B;Figur 13 - Fig. 20
- eine Seitenansicht auf eine erste alternative Ausführungsform einer Traverse einer Überbrückungsvorrichtung in Schnittdarstellung; und
- Fig. 21
- eine Seitenansicht auf eine zweite alternative Ausführungsform einer Traverse einer Überbrückungsvorrichtung.
- Fig. 1
- a plan view of a section of a retracted lock-up device according to a first embodiment;
- Fig. 2
- a sectional view of the in
Fig. 1 shown section according to section plane AA; - Fig. 3
- a sectional view of the in
Fig. 1 shown section according to sectional plane BB; - Fig. 4
- a plan view of a section of an extended lock-up devices according to the first embodiment;
- Fig. 5
- a sectional view of the in
Fig. 4 shown section according to section plane AA; - Fig. 6
- a sectional view of the in
Fig. 4 shown section according to sectional plane BB; - Fig. 7
- a plan view of a retracted lock-up device according to the first embodiment;
- Fig. 8
- a plan view of a section of a retracted lock-up device according to a second embodiment;
- Fig. 9
- a side view of the neckline according to
Fig. 8 in sectional view; - Fig. 10
- a plan view of a section of an extended lock-up device according to the second embodiment;
- Fig. 11
- a side view of the lock-up device according to
Fig. 10 in sectional view; - Fig. 12
- a plan view of a retracted lock-up device according to the second embodiment;
- Fig. 13
- a plan view of a detail of a retracted lock-up device according to a third embodiment;
- Fig. 14
- a side view of the neckline according to
Fig. 13 ; - Fig. 15
- a plan view of a section of an extended lock-up device according to the third embodiment;
- Fig. 16
- a side view of the neckline according to
FIG. 15 in sectional view; - Fig. 17
- a plan view of a retracted lock-up device according to the third embodiment;
- Fig. 18
- a sectional view of in
FIG. 13 illustrated section plane AA; - Fig. 19
- a sectional view of in
FIG. 13 illustrated section plane BB; - Fig. 20
- a side view of a first alternative embodiment of a cross member of a lock-up device in a sectional view; and
- Fig. 21
- a side view of a second alternative embodiment of a cross member of a lock-up device.
In den Figuren werden gleiche Bezugszeichen für gleichartige Teile verwendet.In the figures, the same reference numerals are used for similar parts.
In den
Dabei ist jeweils ein Traversensegment als Führungssegment 7 und das andere Traversensegment als Gestängesegment 8 ausgebildet, wobei das Führungssegment 7 das Gestängesegment 8 in Richtung der Längsachse 9 der Traversen 5, 6 führt. Das Führungssegment 7 ist als Rechteckrohr ausgebildet, wobei das Gestängesegment 8 eine korrespondierende Gestalt aufweist und in das Führungssegment 7 hinein verschiebbar gelagert ist. Vorliegend sind die Gestängesegmente 8 weitestgehend in die Führungssegmente 7 hineingeschoben, so dass die Traversen 5, 6 eine relativ geringe Länge aufweisen.
Durch den Vergleich der
In den
Die
An dem mittleren als Gestängesegment 8 sind zwei Mittelträgerlager 13 angeordnet. An den beiden äußeren Traversensegmenten 7, ist jeweils ein U-förmiges Mittelträgerlager 21 angeordnet. Derart sind vier Mittelträger 12 verschieblich auf der ersten Traverse 5 gelagert.At the middle as
Wie in
Die
Aus
Claims (20)
- A bridging device (1) in center girder construction for a building joint (2) between two building components (3, 4), wherein the bridging device (1) comprises at least two edge girders (10, 11) and at least one center girder (12), wherein the at least one center girder (12) is arranged between the edge girders (10, 11) and on at least one cross member (5; 6) bridging the building joint (2) that each have a cross member bearing (16; 17) for bearing the cross member (5; 6) on the respective building components (3, 4) at their lateral ends (14; 15),
characterized in that
the cross member (5; 6) has at least two cross member segments (7, 8; 20) that are arranged along a longitudinal axis (9) of the cross member (5; 6) and that are arranged displaceable relative to each other toward the longitudinal axis (9), so that the length of the cross member (7, 8) is variable. - The bridging device (1) according to claim 1, characterized in that at least one cross member segment (7; 8) is formed as a guiding segment (7) and one cross member segment (7; 8) is formed as a rodding segment (8), wherein the guiding segment (7) guides the rodding segment at least toward the longitudinal axis (9) of the cross member (5; 6).
- The bridging device (1) according to any one of the preceding claims, characterized in that
the guiding segment (7) at least in sections is formed as a tube in which the rodding segment (8) is supported such to be at least partially displaceable into the same. - The bridging device (1) according to any one of the preceding claims, characterized in that
the guiding segment (7) has at least one tongue (25) that extends in parallel to the longitudinal axis (9) of the cross member (5; 6) and that engages a groove (26) in the rodding segment (8), or vice versa. - The bridging device (1) according to any one of the preceding claims, characterized in that
the guiding segment (7) in the plan view is designed as a U-shaped clamp or an H-shaped double clamp which at least partially laterally encloses the rodding segment (8) and at least holds it transversally to the longitudinal axis (9) of the cross member (5; 6). - The bridging device (1) according to any one of the preceding claims, characterized in that
the rodding segment (8) at least in sections is formed as a massive and/or hollow girder, in particular as T girder, double T girder, and/or a box section tubing. - The bridging device (1) according to any one of the preceding claims, characterized in that
at least two center girders (12) are arranged in the bridging device (1), wherein the upper surfaces (18) of the center girders (12) are oriented flush with each other. - The bridging device (1) according to any one of the preceding claims, characterized in that
the center girder(s) (12) is/are arranged on a guiding segment (7) and/or a rodding segment (8) of the cross member (5; 6). - The bridging device (1) according to any one of the preceding claims, characterized in that
at least one center girder (12) is displaceably supported on the cross member (5; 6) at least toward the longitudinal axis (9) thereof. - The bridging device (1) according to any one of the preceding claims, characterized in that
at least one center girder (12) has a center girder bearing (13; 21) that allows bearing of the center girder (12) both above a guiding segment (7) and a rodding segment (8) at the same height. - The bridging device according to claim 10, characterized in that
the at least one center girder bearing (13; 21) is formed such that the center girder bearing (13; 21) only rests on one rodding segment (8) or one guiding segment (7) and does not touch an adjacent cross member segment (7; 8) and preferably has a U-shaped design. - The bridging device (1) according to any one of the preceding claims, characterized in that
at least one center girder (12) has a center girder bearing (13; 21) that allows a rotational motion of the cross member (5; 6) below the center girder (12). - The bridging device (1) according to any one of the preceding claims, characterized in that
the cross member (5; 6) is obliquely arranged in the bridging device (1) such that a change of the center girder(s) (12) between a rodding segment (8) and a guiding segment (7) of the cross member (5; 6) is avoided. - The bridging device (1) according to any one of the preceding claims, characterized in that
at least one cross member bearing (16; 17), preferably both cross member bearings (16, 17) of the cross member (5; 6) is/are designed as a spherical bearing. - The bridging device (1) according to any one of the preceding claims, characterized in that
the bridging device (1) has several cross members (5, 6) that each are arranged spaced from each other and preferably in pairs in the bridging device (1). - The bridging device (1) according to any one of the preceding claims, characterized in that
adjacent cross members (5, 6) in the plan view are arranged substantially spaced in parallel and/or opposite to each other. - The bridging device (1) according to any one of the preceding claims, characterized in that
one and/or more center girders (12) is/are attached to or arranged on a single cross member segment (7; 8) or several similar cross member segments (7; 8), in particular only on guiding segments (7). - The bridging device (1) according to any one of the preceding claims, characterized in that
at least one cross member bearing (16; 17), preferably both cross member bearings (16, 17) of each cross member (5; 6) is/are designed such that the cross member(s) (5, 6) can rotate under the center girder(s) (12), so that the cross member(s) (5, 6) act(s) as pivoting cross member(s) and in particular as pivoting cross member control device for controlling the distances between the center girder (12) and the edge girders (10; 11) or between the center girders (12) and the edge girders (10; 11), respectively. - The bridging device (1) according to any one of the preceding claims, characterized in that
springs are arranged between the edge girders and the center girder(s) as a control device for controlling the distances between the center girder (12) and the edge girders (10; 11) or between the center girders (12) and the edge girders (10; 11), respectively. - The bridging device (1) according to any one of the preceding claims, characterized in that
a center girder bearing (13; 21) or a cross member segment (7; 8) has at least one abutment for limiting the movements of a center girder (12) on the cross member(s) (5; 6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL14806587T PL3074572T3 (en) | 2013-11-28 | 2014-11-27 | Bridging apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102013224460.6A DE102013224460A1 (en) | 2013-11-28 | 2013-11-28 | bridging device |
PCT/EP2014/075856 WO2015078991A1 (en) | 2013-11-28 | 2014-11-27 | Bridging apparatus |
Publications (2)
Publication Number | Publication Date |
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EP3074572A1 EP3074572A1 (en) | 2016-10-05 |
EP3074572B1 true EP3074572B1 (en) | 2019-11-27 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP14806587.3A Active EP3074572B1 (en) | 2013-11-28 | 2014-11-27 | Bridging apparatus |
Country Status (18)
Country | Link |
---|---|
US (1) | US10119274B2 (en) |
EP (1) | EP3074572B1 (en) |
JP (1) | JP6509221B2 (en) |
KR (1) | KR102312449B1 (en) |
CN (1) | CN105934549B (en) |
BR (1) | BR112016012062B1 (en) |
CA (1) | CA2931385C (en) |
CL (1) | CL2016001300A1 (en) |
DE (1) | DE102013224460A1 (en) |
ES (1) | ES2769891T3 (en) |
HU (1) | HUE047864T2 (en) |
IL (1) | IL245843B (en) |
MX (1) | MX2016006989A (en) |
PL (1) | PL3074572T3 (en) |
PT (1) | PT3074572T (en) |
RU (1) | RU2665937C1 (en) |
UA (1) | UA116698C2 (en) |
WO (1) | WO2015078991A1 (en) |
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-
2013
- 2013-11-28 DE DE102013224460.6A patent/DE102013224460A1/en not_active Withdrawn
-
2014
- 2014-11-27 KR KR1020167017292A patent/KR102312449B1/en active IP Right Grant
- 2014-11-27 HU HUE14806587A patent/HUE047864T2/en unknown
- 2014-11-27 PL PL14806587T patent/PL3074572T3/en unknown
- 2014-11-27 CN CN201480073749.7A patent/CN105934549B/en active Active
- 2014-11-27 US US15/038,372 patent/US10119274B2/en active Active
- 2014-11-27 CA CA2931385A patent/CA2931385C/en active Active
- 2014-11-27 JP JP2016535085A patent/JP6509221B2/en active Active
- 2014-11-27 ES ES14806587T patent/ES2769891T3/en active Active
- 2014-11-27 MX MX2016006989A patent/MX2016006989A/en active IP Right Grant
- 2014-11-27 RU RU2016123638A patent/RU2665937C1/en active
- 2014-11-27 PT PT148065873T patent/PT3074572T/en unknown
- 2014-11-27 EP EP14806587.3A patent/EP3074572B1/en active Active
- 2014-11-27 UA UAA201606787A patent/UA116698C2/en unknown
- 2014-11-27 BR BR112016012062-0A patent/BR112016012062B1/en active IP Right Grant
- 2014-11-27 WO PCT/EP2014/075856 patent/WO2015078991A1/en active Application Filing
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2016
- 2016-05-25 IL IL245843A patent/IL245843B/en active IP Right Grant
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Patent Citations (1)
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DE2208680A1 (en) * | 1971-03-08 | 1973-10-31 | Brown Co D S | LENGTH ADJUSTABLE CONSTRUCTION ELEMENT FOR SPANISHING OPENINGS IN CONCRETE SLABS |
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UA116698C2 (en) | 2018-04-25 |
EP3074572A1 (en) | 2016-10-05 |
ES2769891T3 (en) | 2020-06-29 |
KR20160091987A (en) | 2016-08-03 |
MX2016006989A (en) | 2017-01-23 |
BR112016012062A2 (en) | 2017-08-08 |
CL2016001300A1 (en) | 2016-12-02 |
IL245843B (en) | 2019-09-26 |
WO2015078991A1 (en) | 2015-06-04 |
PL3074572T3 (en) | 2020-06-01 |
DE102013224460A1 (en) | 2015-05-28 |
US10119274B2 (en) | 2018-11-06 |
RU2665937C1 (en) | 2018-09-05 |
HUE047864T2 (en) | 2020-05-28 |
JP6509221B2 (en) | 2019-05-08 |
BR112016012062B1 (en) | 2021-12-28 |
CN105934549B (en) | 2018-03-06 |
JP2016540141A (en) | 2016-12-22 |
CA2931385C (en) | 2021-09-21 |
PT3074572T (en) | 2020-02-04 |
CA2931385A1 (en) | 2015-06-04 |
IL245843A0 (en) | 2016-07-31 |
US20160289967A1 (en) | 2016-10-06 |
KR102312449B1 (en) | 2021-10-14 |
CN105934549A (en) | 2016-09-07 |
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