EP4065773A1 - Dispositif d'enjambement de joint de dilatation - Google Patents

Dispositif d'enjambement de joint de dilatation

Info

Publication number
EP4065773A1
EP4065773A1 EP20812278.8A EP20812278A EP4065773A1 EP 4065773 A1 EP4065773 A1 EP 4065773A1 EP 20812278 A EP20812278 A EP 20812278A EP 4065773 A1 EP4065773 A1 EP 4065773A1
Authority
EP
European Patent Office
Prior art keywords
bridging device
lamella
joint
sections
lamellar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20812278.8A
Other languages
German (de)
English (en)
Other versions
EP4065773C0 (fr
EP4065773B1 (fr
Inventor
Simon Hoffmann
Peter Mense
Volker Kessler
Gianni Moor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mageba Services and Technology AG
Original Assignee
Mageba Services and Technology AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mageba Services and Technology AG filed Critical Mageba Services and Technology AG
Publication of EP4065773A1 publication Critical patent/EP4065773A1/fr
Application granted granted Critical
Publication of EP4065773C0 publication Critical patent/EP4065773C0/fr
Publication of EP4065773B1 publication Critical patent/EP4065773B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/06Arrangement, construction or bridging of expansion joints
    • E01D19/062Joints having intermediate beams

Definitions

  • the present invention relates to an expansion joint bridging device in the form of a lamellar roadway transition which bridges an expansion joint existing between two structural parts of a structure that can be driven on.
  • the expansion joint is spanned by at least three traverses, which are load-bearing supported on both structural parts, with at least one of the load-bearing supports allowing the respective traverse to be displaced relative to the relevant structural part, and at least one lamella being supported on the traverses .
  • expansion joints are unavoidable in order to prevent heat-related expansion of structural parts from leading to damage.
  • expansion joint bridging devices designed in various designs are known.
  • the lamellar bridging devices set out at the beginning form a widespread design.
  • it is often not possible to make the lamellae in one piece since correspondingly long lamellae can only be obtained, processed and transported at the expense of great and costly difficulties, so that in these cases the lamella consists of several shorter lamella sections is only assembled on site (in situ). Usually they will the resulting joints welded between the individual lamella sections.
  • the present invention is based on the object of providing a bridging device of the type described at the beginning, which is characterized by an even further improved practicality, with particular attention to the reduction of manufacturing, installation and maintenance costs, the increase in functional safety, reliability and service life while at the same time reducing the disruption to traffic during installation, maintenance and replacement.
  • the lamella comprises two lamellar sections aligned with one another and connected to one another in a force-transmitting manner, and the lamellar sections are connected in-situ by means of at least one tab bridging the joint between the lamellar sections and connected to both lamellar sections in a force-transmitting manner.
  • At least one of the connections between the tab and the lamella sections is designed to be articulated with a rotational degree of freedom about an axis extending horizontally across the orientation of the lamella in question.
  • the bridging device is characterized in that both connections of the bracket with the lamellar sections are designed to be articulated, each with a rotational degree of freedom about mutually parallel axes.
  • the articulated design of the two connections of the tab with lamella sections enables several advantages: For example, the reciprocal transmission of vertical forces between the two lamella sections in question is restricted; this is in turn advantageous with regard to a reduced risk of failure as a result of fatigue of bridging devices under dynamic high loads.
  • Both lamellar sections can moreover be designed in the same way in the area of their connection to the tab, which makes their construction and manufacture simpler and therefore cheaper. Said similarity of the two lamellar sections in the area of the connection to the bracket also enables the two lamellar sections to be assembled and dismantled in any order, which increases flexibility in the implementation of installation and maintenance work and can thus reduce effort and costs.
  • bridging device Another preferred development of the bridging device according to the invention is characterized in that the joint overlaps with one of the cross members in the vertical projection. That I Thus, if both lamellar sections are supported in the immediate vicinity of the joint on a (common) crossbeam, the lamellar sections do not perform any vertical movements relative to one another. The dynamic stress on the connection of the two lamellar sections is further significantly reduced as a result; reliability benefits from it. The resulting lower load on the individual lamellar sections, the tab and their connection to the lamellar sections contribute to an increase in reliability, functional safety and service life with all the positive economic implications.
  • a particularly preferred development of the invention is characterized in that the crossbeam which overlaps with the vertical projection of the joint is designed as a double crossbeam. It is wider than the usual trusses and can particularly preferably consist of two profiles welded to one another, as they form the other trusses.
  • the advantages described above in connection with a joint overlapping a traverse in a vertical projection come to light to a very special degree.
  • this is characterized in that the two lamellar sections are additionally connected to one another by means of a bracket which encompasses the crossbeam provided below the joint at the bottom.
  • the bracket prevents lifting of the slat from the cross member by z.
  • B. Springback effects in the Connection with driving over the slat can arise.
  • the design of the anti-lift device as a bracket connecting the two lamellar sections has another advantage:
  • the bracket can be used to trigger tilting moments caused by the rotation of the individual lamellar sections around their longitudinal axis (and e.g. triggered by vehicles accelerating / braking while crossing the lamellae as well as vertical forces can be transferred from one slat section to the adjacent other slat section.
  • the forces acting on the connection between the bracket and the lamella sections are reduced, which is reflected in an increase in the reliability, the functional safety and the service life of the bridging device.
  • the bridging device according to the invention is characterized in that at least one sliding spring acts between the bracket and the crossbeam which it encompasses.
  • Friction-related abrasion increases the distance between the bracket and the crossbeam. In this way, the lamellas can be prevented from lifting off and hitting the traverse again over the entire period of use, which has a positive effect on lower noise development and lower mechanical stress on the lamella.
  • An alternative development of the bridging device according to the invention is characterized in that an L-shaped anti-lift device is connected to at least one of the lamellar sections, which engages under the cross member that is closest to the joint and supports the respective lamellar section.
  • the L-shaped anti-lift device prevents - in a similar way to the bracket already described - a lifting of the lamella from the crossbeam, with the positive effects on the noise development and the mechanical load on the lamella already mentioned above. If the greatest possible decoupling of both lamellar sections is desired, the use of an L-shaped (compared to a bow-shaped) anti-lift device can be advantageous.
  • the bridging device is characterized in that a first of the two lamella sections of the at least one lamella can be exchanged without the simultaneous exchange of a second lamella section of the at least one lamella. This enables individual sections of the bridging device to be exchanged independently of one another, which in practice has the advantage that in the course of the possibly maintenance-related exchange one
  • Bridging device not all lanes used by traffic at the same time, but only have to be blocked individually and one after the other. In this way, the effects of such an exchange on the use of the structure by traffic can be significantly reduced.
  • the bridging device according to the invention is characterized in that at least one of the two structural parts comprises a concrete structure, and that the first lamella section of the at least one lamella can be exchanged without interfering with the concrete structure.
  • the cross members spanned by this lamellar section can also be exchanged without having to intervene in the concrete structure.
  • the replacement of a section of the bridging device can be carried out without having to intervene (e.g. by machining) in the concrete structure of the building, which significantly reduces the time and labor required for a corresponding replacement and reduces the structural fabric of the building stressed becomes.
  • the effects of exchanging a bridging device on the traffic traveling on the building can be significantly reduced again and the costs caused by the exchange can be lowered again.
  • a traverse overlapping with the vertical projection of the joint is made solid.
  • a solid traverse is significantly flatter compared to a non-solid, typically designed as a double-T profile with the same load-bearing capacity.
  • the entire bridging device can be made significantly flatter, which, depending on the specific installation conditions, represents a great advantage and can open up a wider range of uses for the bridging device.
  • This advantage is particularly effective when the two lamellar sections joined above the relevant crossbeam are connected to one another by means of a bracket encompassing the crossbeam (see above).
  • the bridging device is characterized in that the two lamellar sections connected to the tab are sealed against each other in a liquid-tight manner by means of a sealing body arranged in their joint joint, which particularly preferably consists at least predominantly of butyl rubber.
  • a particularly preferred further development of the bridging device according to the invention is characterized in that the sealing body can be applied to one side of the end face of one of the two lamellar sections to be sealed before the two lamellar sections are joined in situ. This makes it possible, if the width of the unloaded, elastic sealing body is selected somewhat larger than the width of the joint, for the sealing body to be firmly clamped between the two lamellar sections after the two lamellar sections have been joined, which further improves the sealing effect.
  • sealing body can be injected into the joint after the two lamellar sections have been joined together in situ.
  • this sealing variant can be advantageous; thus the range of applications of the bridging device according to the invention are expanded.
  • additional noise-reducing supports such as tooth plates, sinus plates can be attached above the at least one lamella.
  • Fig.l shows roughly schematically one between two
  • FIG. 2 shows an expansion joint bridging device with a bow-shaped anti-lift device along section A-A according to FIG.
  • FIG. 3 shows another embodiment of an expansion joint bridging device with an L-shaped anti-lift device along the section A-A according to Fig.l, and
  • Fig.l bridges the expansion joint bridging device 1 in the form of a lamellar roadway transition 2, the expansion joint 5 between the two structural parts 3, 4 of a navigable structure 8.
  • the expansion joint 5 is spanned by at least three cross members 6, which are located on both support each building parts 3, 4 comprising a concrete structure B in a load-bearing manner.
  • One of the load-bearing supports of each traverse 6 allows a displacement movement of the respective traverse 6 relative to the relevant structural part 3, 4, in order to enable the bridging device 1 to adapt to the variable width of the expansion joint 5.
  • the lamellae 7 arranged above the crossbars 6 are supported on the crossbars 6. Above the slats 7 noise-reducing pads LA are arranged in Fig.l.
  • the seal DI is located in the traverse direction between the lamellae 7.
  • the lamella 7 comprises two lamella sections 7.1, 7.2 which are aligned with one another and are connected to one another in a force-transmitting manner, the force-transmitting connection of the lamella sections 7.1, 7.2 taking place by means of the tab 10.
  • the tab 10 bridges the joint 9 existing between the lamellar sections 7.1, 7.2; its vertical projection overlaps with a traverse 6, which is designed as a double traverse 6D in that it comprises two double-T-beams welded to one another.
  • Lamella sections 7.1, 7.2 are designed to be articulated, each with one rotational degree of freedom about an axis extending horizontally across the orientation of the lamella 7 concerned. Threaded bolts 11.1 secured with nuts and lock nuts act as connecting means 11.2, the screw connection achieved by this being designed in such a way that no frictional connection is formed between the tab 10 and the lamellar sections 7.1, 7.2 that would hinder their rotation against each other.
  • the two lamellar sections 7.1, 7.2 are additionally connected to one another by means of a bracket 12 which functions as a lift-out safety device and which encompasses the cross member 6 provided below the joint 9 at the bottom (see FIG. 2).
  • the bracket 12 comprises three horizontally aligned profiles 15 and two vertically aligned profiles 16.
  • the bracket 12 is connected to the two lamellar sections 7.1, 7.2 by means of threaded bolts 17 secured with nuts, with a mounting plate assigned to a lamellar section 7.1, 7.2 between two horizontally aligned profiles 15 belonging to the bracket 12 and the two lamellar sections 7.1, 7.2 18.1, 18.2 is attached. Between each of the two mounting plates 18.1, 18.2 and the cross member 6 acts a sliding body 19.1, 19.2, each assigned to a mounting plate 18.1, 18.2 and connected to it. Between the bracket 12 and the traverse 6 it encompasses, at least one sliding spring 13 acts below the traverse 6. Although not shown in FIG. 2, sliding bodies can also be arranged between the vertically aligned profiles 16 of the bracket 12 and the traverse 6 (see Fig. 2).
  • FIGS. 3 and 4 show an expansion joint bridging device 1 with two L-shaped lift-out safeguards 14.1, 14.2, which are each assigned to a lamellar section 7.1, 7.2 and the lamellar sections 7.1 which are closest to the joint, the respective lamellar sections 7.1 , 7.2 reach under supporting, solidly designed traverse 6.
  • the L-shaped Lift-out safeguards 14.1, 14.2 each comprise two horizontally oriented profiles 15, a vertically oriented profile 16 and a stiffening plate 21. The connection of the L-shaped lift-out safeguards
  • a mounting plate 18.1, 18.2 assigned to it is attached between a first horizontally aligned profile 15 belonging to the anti-lift device 14.1, 14.2 and the associated lamella section 7.1, 7.2. Between each of the two mounting plates 18.1, 18.2 and the
  • a sliding body 20.1, 20.2 is arranged between the vertically aligned profiles 16 and the traverse 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Road Paving Structures (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne un dispositif d'enjambement de joint de dilatation (1) sous forme de joint de chaussée à lamelles (2) qui enjambe un joint de dilatation (5) présent entre deux composants de construction (3, 4). Le joint de dilatation (5) est recouvert par des traverses (6) qui s'appuient sur les deux composants de construction (3, 4) de manière à supporter des charges. Au moins une lamelle (7) agencée au-dessus des traverses (6) s'appuie sur les traverses (6), la lamelle (7) comprenant deux parties de lamelle (7.1, 7.2) en alignement mutuel qui sont reliées l'une à l'autre en transmission de force. L'assemblage des parties de lamelle (7.1, 7.2) s'effectue in situ au moyen d'au moins une éclisse (10) qui enjambe le joint bout à bout (9) situé entre les parties de lamelle (7.1, 7.2) et est relié en transmission de force aux deux parties de lamelle (7.1, 7.2). Au moins une des liaisons de l'éclisse (10) avec les parties de lamelle (7.1, 7.2) est conçue de manière articulée avec un degré de liberté de rotation autour d'un axe s'étendant horizontalement transversalement à l'orientation de la lamelle (7) concernée.
EP20812278.8A 2019-11-27 2020-11-24 Dispositif d'enjambement de joint de dilatation Active EP4065773B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019132189.1A DE102019132189A1 (de) 2019-11-27 2019-11-27 Dehnfugen-Überbrückungsvorrichtung
PCT/EP2020/083200 WO2021105118A1 (fr) 2019-11-27 2020-11-24 Dispositif d'enjambement de joint de dilatation

Publications (3)

Publication Number Publication Date
EP4065773A1 true EP4065773A1 (fr) 2022-10-05
EP4065773C0 EP4065773C0 (fr) 2023-11-22
EP4065773B1 EP4065773B1 (fr) 2023-11-22

Family

ID=73598092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20812278.8A Active EP4065773B1 (fr) 2019-11-27 2020-11-24 Dispositif d'enjambement de joint de dilatation

Country Status (5)

Country Link
US (1) US20220282434A1 (fr)
EP (1) EP4065773B1 (fr)
CN (1) CN115003883A (fr)
DE (1) DE102019132189A1 (fr)
WO (1) WO2021105118A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732021A (en) * 1971-03-08 1973-05-08 Brown Co D S Modular expansion joint
JP3101921B2 (ja) * 1998-01-12 2000-10-23 明彦 浪岡 道路橋用伸縮装置
EP2940225A1 (fr) 2014-04-29 2015-11-04 Mageba GmbH Dispositif d'enjambement d'un joint de dilatation
DE102017105092A1 (de) * 2017-03-10 2018-09-13 Mageba S.A. Überbrückungsvorrichtung

Also Published As

Publication number Publication date
CN115003883A (zh) 2022-09-02
DE102019132189A1 (de) 2021-05-27
WO2021105118A1 (fr) 2021-06-03
EP4065773C0 (fr) 2023-11-22
EP4065773B1 (fr) 2023-11-22
US20220282434A1 (en) 2022-09-08

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