EP0600321B1 - Pont déplaçable - Google Patents

Pont déplaçable Download PDF

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Publication number
EP0600321B1
EP0600321B1 EP93118638A EP93118638A EP0600321B1 EP 0600321 B1 EP0600321 B1 EP 0600321B1 EP 93118638 A EP93118638 A EP 93118638A EP 93118638 A EP93118638 A EP 93118638A EP 0600321 B1 EP0600321 B1 EP 0600321B1
Authority
EP
European Patent Office
Prior art keywords
bridge
girder
chord
lattice girder
transverse
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.)
Expired - Lifetime
Application number
EP93118638A
Other languages
German (de)
English (en)
Other versions
EP0600321A1 (fr
Inventor
Wolfgang Diefendahl
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.)
ThyssenKrupp Foerdertechnik GmbH
Original Assignee
Krupp Foerdertechnik GmbH
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 Krupp Foerdertechnik GmbH filed Critical Krupp Foerdertechnik GmbH
Publication of EP0600321A1 publication Critical patent/EP0600321A1/fr
Application granted granted Critical
Publication of EP0600321B1 publication Critical patent/EP0600321B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/14—Floating bridges, e.g. pontoon bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges

Definitions

  • the invention relates to a bridge which can be assembled from individual bridge sections and in which each bridge section has the following parts which are releasably connected to one another: two truss girder arrangements - one on each side of the bridge - with one or at least one upper flange, one or at least one lower flange and diagonals and at least one cross member, and in which a cross member is additionally provided for the entire bridge.
  • Such a bridge is known from DE-OS 22 50 013. It is suitable for heavy vehicles, especially tanks, as a route over obstacles, e.g. B. rivers, gorges, etc. to serve.
  • the known bridge has heavy lattice girder arrangements with a triangular cross section, between which cross girders are fastened to the respective inner lower flange profile, which in turn are each connected in pairs by longitudinal girders.
  • a large number of boards are placed on the side members to cover the roadway.
  • the disadvantage of this bridge is that the truss girder arrangements require a considerable amount of transport space.
  • the cross members connected by longitudinal members also require a corresponding transport space.
  • the many individual carriageway boards also require a lot of assembly work.
  • Another disadvantage is that the connection points arranged outside of the vertical center plane through the truss arrangements for the cross members are correspondingly rigid must be trained.
  • the invention has for its object to provide a relocatable bridge that can be transported in parts to planes or helicopters to the desired location, possibly dropped by parachutes and assembled there by little personnel without a separate device in the free stem.
  • the truss girder arrangements can be folded into one plane for the transport state, that the cross girders in the fully assembled bridge for direct or indirect support on the lower chord of the truss girder arrangements via the lower chord or - in a truss girder arrangement with several lower chord profiles - Extends laterally beyond the respective inner lower flange profile, and that there is a positive connection between the upper flange and cross member in two different planes, each parallel to the longitudinal direction of the bridge, on each side of the bridge.
  • Each bridge section and thus the entire main support system of the bridge has only a few differently designed components. These can be so easily formed by their dimensions and a material with a low specific mass that they can be z. B. carried from the drop point to the site and can be assembled there by hand.
  • the foldability of the truss girder arrangements significantly reduces the transport space required. In spite of this, no great assembly effort is required for the assembly, because the framework support arrangements only need to be unfolded.
  • the design of the cross beams and their support allows a uniform loading of the lower flange profiles of each truss arrangement, so that the connection can be made simple and easy to assemble.
  • the cross beams can be loaded compactly and only need a small transport space.
  • each truss girder assembly consists of a single truss girder wall, which is supported on the crossmember via pivotable supports, that the crossmember protrudes laterally on the lower chord for support on the lower chord of the truss girder arrangements, and that each side of the bridge has a positive connection between the top chord and crossbeam in two different levels, each parallel to the longitudinal direction of the bridge.
  • the support also forms part of the positive connection between the top flange and the cross member.
  • lattice girder arrangements In order to bring the lattice girder arrangements into a stable position immediately at the start of assembly, in a further development of the invention they consist of two lattice girder walls which are articulated in the area of the upper chord and which can be brought apart with their own lower chords by unfolding.
  • a cross bar to one of the truss walls of each truss arrangement, which cross bar is provided for resting on both lower chords of the truss arrangement.
  • the interlocking connection between the top flange and the crossbeams is preferably realized by means of posts hinged to the top flange, which can be pivoted into the plane of the truss walls for transport and pivoted out of them for assembly.
  • the planes of the posts can be at an angle to one another in the fully assembled state and can also be arranged symmetrically to the center plane of the truss arrangement.
  • the cross members are provided with receptacles for roadway plates according to a development of the invention
  • Cross beams arranged pins are fixed in their position.
  • An aluminum alloy is provided as the material so that the individual parts can be carried by people.
  • fiber-reinforced plastics can also be used as construction material.
  • the bridge according to the invention can be used both as a fixed bridge for resting on the banks of obstacles and, when placed on floating bodies, can serve as a ferry or floating bridge. Additional ramps can be arranged.
  • the floating bridge B consists of individual, together connecting bridge sections A of z. B. 2.75 m in length, each supported on an inflatable boat D.
  • a special end field E is arranged on the outermost bridge sections, which is used to link a ramp plate R which rests on the bank of a water W. For handling the ramp plate R , it is connected to the top chord of the bridge truss at its ascending end via a length-adjustable cable pull S.
  • Each bridge section A has on each side a lattice girder arrangement 10 with two lattice girder walls (hereinafter also referred to only briefly as “wall” or “walls”) 11, 12.
  • Each truss girder wall 11, 12 has a tubular upper chord profile (hereinafter also referred to as “upper chord”) 13 and a tubular lower chord profile (hereinafter also referred to as “lower chord”) 14, which are supported by vertical supports 15 and diagonal struts 16 are connected.
  • top chords 13 of the two truss walls are held together by a buckle arrangement 17. Within this buckle arrangement, the upper straps 13 are pivoted about their own axis. On the lower chords 14 of the outer walls 11 cross bars 18 are hinged to bolts 19.
  • the bridge sections A also have two cross members 23 and two roadway plates 24. At the end of the bridge, a further cross member 23 is additionally required for completion.
  • the cantilevered end of a crossbeam 23 is placed on each of two adjacent crossbeams 18, pins 25 located on the underside of the crossbeams 23 engaging in corresponding recesses in the crossbeams 18.
  • the pins 25 grant and secure a perfect position of the parts to each other.
  • the crossbeams 18 serve for uniform introduction of the load on the crossbeams 23 into the lower chords 14.
  • the crossbeams 23 are located at the joint and in the middle of each bridge field or section A.
  • the roadway plates 24 are inserted.
  • the roadway plates 24 each lie with their transverse edges on a support plate 27 on the underside of the cross member 23.
  • pins 28 on the support plate 27 and corresponding recesses in the roadway plates 24 on the one hand the position of the roadway plates 24 and, at the same time, a large transverse stability of the individual bridge section A and the whole bridge.
  • the posts 21 are pivoted out of the wall 11 and the posts 22 out of the wall 12 in order to produce a fixed, form-fitting connection between the truss support assemblies 10 and the cross members 23 for the transmission of compressive and tensile forces.
  • the roadway has Schrammborde 31, which is on the top of the Roadway plates 24 are articulated.
  • the embodiment according to FIG. 5 differs from the embodiment described above essentially in that the posts 21, 22 which can be pivoted out of the truss walls 11, 12 produce a connection - in relation to the central plane of the truss assembly 10 - that is central.
  • the cross members 23 rest directly on the lower chords 14 of the walls 11, 12.
  • pins 32 are provided on the lower chords 14.
  • the posts 21, 22 articulated on the upper chords 13 for the positive connection between the framework support arrangement 10 and the cross members 23 remain in this embodiment within the planes of the walls 11, 12.
  • the truss arrangement merely consists of a truss wall 33, on the lower flange 14 of which the cross member 23 rests.
  • the form-fitting connection between the truss wall 33 and the cross beams 23 is established by means of posts 35 which can be pivoted within the plane of the wall 33 and posts or supports 36 which can be pivoted from this plane, the posts 36 being fastened to the projecting lateral ends of the support arms 23.
  • the truss girder walls 33 are carried by hand to the bridge point and placed there flat. After placing the cross member 23, the completely assembled bridge wall is erected and secured with the help of the posts 36 connected to the cross member 23.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Claims (9)

  1. Pont déplaçable (B), pouvant être assemblé à partir de tronçons de pont (A) individuels, et dans le cas duquel chaque tronçon de pont (A) présente les parties suivantes qui sont reliées entre elles de façon démontable:
    - deux ensembles de poutres en treillis (10) - chacun de chaque côté du pont - avec, pour chacun, au moins une membrure supérieure (13), au moins une membrure inférieure (14), et des entretoises diagonales (16),
    - et au moins une poutre transversale (23),
       et dans le cas duquel une poutre transversale (23) est prévue en plus pour l'ensemble du pont,
    caractérisé
    en ce qu'en position de transport, les ensembles de poutres en treillis (10) peuvent être repliées sur eux-mêmes, chacun dans un plan,
    en ce que, lorsque le pont est complètement monté, la poutre transversale (23), pour s'appuyer sur la membrure inférieure (14) des ensembles de poutres en treillis (10), dépasse latéralement de la membrure inférieure (14), ou - dans le cas d'un ensemble de poutres en treillis (10) comportant plusieurs profilés de membrure inférieure - dépasse latéralement de chaque profilé intérieur de la membrure inférieure,
    et en ce que, de chaque côté du pont, une liaison par conjugaison de formes (21, 22) entre la membrure supérieure (13) et la poutre transversale (23) est constituée de deux plans différents disposés chacun parallèlement à la direction longitudinale du pont.
  2. Pont déplaçable (B), pouvant être assemblé à partir de tronçons de pont (A) individuels, et dans le cas duquel chaque tronçon de pont (A) présente les parties suivantes qui sont reliées entre elles de façon démontable:
    - deux ensembles de poutres en treillis (10) - chacun de chaque côté du pont - avec, pour chacun, une membrure supérieure (13), une membrure inférieure (14) et des entretoises diagonales (16),
    - et au moins une poutre transversale (23),
       et dans le cas duquel une poutre transversale (23) est prévue en plus pour l'ensemble du pont,
    caractérisé
    en ce que chaque ensemble de poutres en treillis (10) est constitué d'une unique paroi de poutre en treillis (33), qui s'appuie, par l'intermédiaire d'appuis rabattables (36), sur la poutre transversale (23),
    en ce que, lorsque le pont est complètement monté, la poutre transversale (23), pour s'appuyer sur la membrure inférieure (14) des ensembles de poutres en treillis (10), dépasse latéralement de la membrure inférieure (14),
    et en ce que, de chaque côté du pont, une liaison par conjugaison de formes (35, 36) entre la membrure supérieure (13) et la poutre transversale (23) est constituée de deux plans différents disposés chacun parallèlement à la direction longitudinale du pont.
  3. Pont suivant la revendication 1, caractérisé en ce que l'ensemble de poutres en treillis (10) présente deux parois de poutres en treillis (11, 12) reliées entre elles par articulation dans la zone de la membrure supérieure (13) et comportant chacune son propre profilé de membrure inférieure (14), étant entendu que ces profilés de membrure inférieure (14) peuvent être placés à une certaine distance l'un de l'autre par le déploiement des parois (11, 12) de poutre en treillis.
  4. Pont suivant la revendication 3, caractérisé en ce qu'une paroi de poutre en treillis (11) présente un verrou transversal (18) articulé sur elle, qui est prévu pour l'appui sur le profilé (14) de la membrure inférieure des deux parois de poutres en treillis (11, 12).
  5. Pont suivant l'une des revendications 1, 3 ou 4, caractérisé en ce que la liaison par conjugaison de formes entre la membrure supérieure (13) et les poutres transversales (23) est matérialisée par des étançons (21, 22; 35) s'articulant sur la membrure supérieure (13) et que on peut les faire pivoter pour venir dans les plans des parois de poutres en treillis (11, 12) et pour s'écarter de ces plans.
  6. Pont suivant l'une des revendications 1, 3, 4 ou 5, caractérisé en ce que les plans de la liaison par conjugaison de formes forment entre eux un angle.
  7. Pont suivant la revendication 6, caractérisé en ce que les plans de la liaison par conjugaison de formes sont disposés symétriquement par rapport au plan médian de l'ensemble de poutre en treillis (10).
  8. Pont suivant la revendication 2, caractérisé en ce que l'appui (36) constitue en même temps une partie de la liaison par conjugaison de formes entre la membrure supérieure (13) et la poutre transversale (23).
  9. Pont suivant l'une des revendications 1 à 8, caractérisé en ce que les poutres transversales (23) présentent des appuis (27) pour des plateaux de voie de circulation (24) et des tourillons (28) destinés à être engagés dans des évidements correspondants des plateaux de voie de circulation (24).
EP93118638A 1992-12-03 1993-11-19 Pont déplaçable Expired - Lifetime EP0600321B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4240575A DE4240575A1 (de) 1992-12-03 1992-12-03 Verlegbare Brücke
DE4240575 1992-12-03

Publications (2)

Publication Number Publication Date
EP0600321A1 EP0600321A1 (fr) 1994-06-08
EP0600321B1 true EP0600321B1 (fr) 1997-04-23

Family

ID=6474233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93118638A Expired - Lifetime EP0600321B1 (fr) 1992-12-03 1993-11-19 Pont déplaçable

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DE (2) DE4240575A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510582C2 (de) * 1995-03-23 1998-07-16 Krupp Foerdertechnik Gmbh Aus Einzelteilen zusammensetzbare verlegbare Brücke
DE10242860B3 (de) 2002-09-14 2004-01-22 Dornier Gmbh Zerlegbare Brücke
DE102005042674A1 (de) 2005-09-08 2007-03-15 General Dynamics Santa Barbara Sistemas Gmbh Mobiles militärisches Brückensystem

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789960A (nl) * 1971-10-15 1973-04-11 Bataafse Aanneming Mij Nv Montagebrugconstructie
CH666500A5 (en) * 1982-12-02 1988-07-29 Peter Hoegl Potterat Fixed or floating bridge girder - has identical, foldable, prefab. sections, used without extra parts

Also Published As

Publication number Publication date
DE59306260D1 (de) 1997-05-28
DE4240575A1 (de) 1994-06-09
EP0600321A1 (fr) 1994-06-08

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