EP1660725B1 - Metallbrücke und herstellungsverfahren dafür - Google Patents

Metallbrücke und herstellungsverfahren dafür Download PDF

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Publication number
EP1660725B1
EP1660725B1 EP04767926.1A EP04767926A EP1660725B1 EP 1660725 B1 EP1660725 B1 EP 1660725B1 EP 04767926 A EP04767926 A EP 04767926A EP 1660725 B1 EP1660725 B1 EP 1660725B1
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EP
European Patent Office
Prior art keywords
elements
consecutive
longitudinal
beams
flanges
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EP04767926.1A
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English (en)
French (fr)
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EP1660725A1 (de
Inventor
Philippe Matiere
Marcel Matiere
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Matiere SAS
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Matiere SAS
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Priority to EP12179291A priority Critical patent/EP2573268A1/de
Publication of EP1660725A1 publication Critical patent/EP1660725A1/de
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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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/30—Metal
    • E01D2101/32—Metal prestressed

Definitions

  • the invention relates to a modular metal bridge and its method of production.
  • the invention allows the construction of temporary bridges but can also be applied to the rapid and economical realization of medium-span bridges.
  • armies may have collapsible bridges as described, for example, in the document US Patent 4,825,492 but also known for a long time modular bridges type "BAILEY” consisting of a number of beams and metal profiles to achieve with little means and a small team, two longitudinal support members forming lattice girders and connected, at their base, by transverse elements carrying a decking.
  • BAILEY modular bridges type
  • the BAILEY bridge has been the subject, since its creation, many improvements but retaining the same general layout.
  • each lateral beam consists of tubular sections of rectangular section placed end to end, the adjacent ends of two consecutive sections being connected by several splints secured to the end of each beam by metal plates passing between the splints.
  • the connection between two consecutive profiles is not very visible since the fishplates and plates are placed inside the profiles but the whole remains unattractive because, as in a BAILEY bridge, the bridge is supported by two Lateral lattice girders also forming railings.
  • Such an embodiment has the advantage of requiring only a small number of structural elements, longitudinal beam elements, transverse spacers and upper joining elements respectively, which, in the French patent embodiments 2,801,328 can be simple metal brackets for the installation of wooden sleepers or slab formwork panels, or prefabricated slabs provided with sealing means with the upper flanges of the two beams.
  • the beam elements consist of caissons raz trapezoidal or rectangular section, which facilitates the installation and, equal weight, gives the beams excellent rigidity.
  • the number of elements of construction is particularly reduced because it is possible to make in advance beam elements of great length, for example ten meters. Indeed, specialized military units are now equipped with lifting means to set up and assemble elements of several tons.
  • the invention therefore generally relates to a modular metal bridge as defined in claim 1 and which comprises a substantially horizontal platform bearing on two longitudinal beams and consisting of at least three sets of elements prepared at the same time.
  • a series of longitudinal elements each comprising two substantially horizontal, respectively lower and upper, spaced apart webs connected by at least one substantially vertical core, said beam elements being joined end to end to form at least two parallel longitudinal beams spaced apart by means of one of the other, a series of longitudinally spaced transverse spacers, each having two ends provided with removable fastening means on mating portions of the beam members and a series of connecting members between the upper flanges of the beam members .
  • the upper connecting elements rest on the transverse connecting struts between the elements of the two beams by means of wedging members height adjusted to provide a continuous floor at the upper faces of the soles upper longitudinal beams.
  • the upper joining elements consist of a series of rectangular plates resting on the transverse spacers by means of longitudinal profiles whose height is adjusted so that the upper faces of said plates extend. at the upper faces of the upper flanges of the two longitudinal beams to form a continuous platform.
  • the upper flanges of the beam members form two raceways for vehicles passing over the deck, said upper flanges being treated to promote adhesion.
  • the junction plates between the upper flanges of the beams can then consist of simple light gratings.
  • the platform consisting of the upper flanges of beams and junction plates between them can also be used as lost formwork for the casting of a concrete slab.
  • the connecting elements between the two longitudinal beams consist of concrete slabs resting, on the one hand on the upper flanges of the longitudinal beams and, on the other hand, on the transverse spacers by means of wedging means of determined height, to define a continuous platform.
  • each longitudinal beam element forms a hollow box with a quadrangular cross-section with two substantially horizontal faces forming the upper and lower flanges of the beam and two side faces provided with means for fixing the spacers or, possibly, bodyguard supports.
  • the consecutive elements forming a longitudinal beam are connected in pairs, by their adjacent ends, at their lower flanges by a connecting means articulated about a transverse axis and bear one of them. on the other, at their upper flanges, by a transverse wedging means whose width is adjusted to give the longitudinal beam, between two spaced apart supports, a convex profile upwardly long and having a sufficient arrow to compensate the bending down of each beam under the effect of the own weight of the bridge and applied loads.
  • connection means articulated between two consecutive beam elements comprises, at the end of each element, at least one longitudinal piece of connection with a corresponding piece of the adjacent element, each connecting piece being fixed on the soleplate. lower part of the element and having at least one portion projecting beyond the end thereof and in which is formed a transverse axis orifice and that, to the assembly of two consecutive beam elements , the projecting portions of the connecting pieces overlap so that the orifices are aligned and centered on the same transverse axis to allow the threading of a securing rod.
  • the wedging means between the upper flanges of two consecutive beam elements comprises, at the end of each element, a shim formed of a metal plate having two parallel transverse edges, respectively an inner edge welded along an end of the upper flange and an outer edge bearing against the assembly of two consecutive beam elements against an edge outer member of the corresponding shim of the adjacent member, each shim having a width adjusted so that, after assembling two consecutive beam members, their upper flanges are placed in planes forming between them an angle I determined so that the all of the longitudinal beam follows the profile in long desired.
  • the adjacent ends of said beam elements are connected, at least temporarily, to their upper parts, by means of blocking the joint, so that the set of elements behaves as a continuous beam for the transport and the establishment of it.
  • the entire platform of the bridge is covered with a concrete slab secured at least with the upper flanges of the two beams and they have a convex profile upwardly convex with an arrow set for the compressing the concrete by bending down said beams under the effect of the weight of the bridge and applied loads.
  • each longitudinal beam consists of at least two consecutive elements connected, on the one hand to their lower parts, by a hinge about a transverse axis and on the other hand, to their upper parts, by at least one variable length connecting member for maintaining the convex longitudinal profile of the beam between two spaced supports, at least during the realization of the concrete slab, the length of said upper connecting members being reduced, after making the slab to allow bending down the beam with compression of the slab to a support position on top of each other of the upper ends of the adjacent ends of the two consecutive elements.
  • Each upper connecting member between two consecutive beam elements may consist of at least one hydraulic cylinder having a body and a piston rod respectively articulated on each of the consecutive elements, or a sandbox limiting a chamber filled with sand with a drain hole allowing a partial evacuation of the sand for the compression of the slab by reducing the deflection of the longitudinal beam.
  • each longitudinal beam comprises, at each central stack, a central element resting on the stack and having two ends connected to the ends opposite the adjacent beam elements, by transverse axis joints placed substantially at the level of the upper flanges, the other elements of the beam being interconnected by joints placed substantially at their lower flanges .
  • the invention also covers a method of making a metal bridge span according to any one of claims 1 to 15.
  • the longitudinal beams prepared in advance by butt jointing consecutive elements may be thrown longitudinally from one of the supports or prepared on the bank and raised to be placed on the supports.
  • Each longitudinal beam consisting of at least two consecutive elements whose adjacent ends are connected to their bases by a transverse joint, in the case where the beam is thrown by longitudinal thrust from one of the supports, the first element of Beam placed the most forward lowers, during launch, by rotating around its articulation and can come to rest on a floating support that accompanies the front end of said first element to the second support, the latter being equipped with lifting means which raises the first member to bring it into alignment with the next member and place it on the second support.
  • FIG. 1 On the figure 1 a cross-section span element is shown, the left half-view being a current cross-section and the right half-view a cross section of the end of the span, along line l, l of the cross-section. figure 3 .
  • each span element 1 generally comprises two longitudinal beam elements 1, 1 'spaced symmetrically on either side of a longitudinal median plane P of the span and interconnected rigidly by transverse spacers 2.
  • These can be made of tubes, as in the case of the previous patent, which allows to obtain excellent rigidity for a reduced weight.
  • section I sections whose dimensions and number are determined to ensure the necessary rigidity.
  • These sections 2 are simply bolted, at their ends 21, to fastening plates 14 distributed along the lateral faces of the two beams 1, 1 'and constituting gussets drilled in advance with holes for fixing the end 21 a profile 2 also pierced in advance.
  • Each beam 1, 1 'can moreover, be provided with two sets of gussets 14i, 14e formed on its two lateral faces to allow the fixing of guardrail C or, as will be seen later, the realization of an extra bay.
  • each longitudinal beam has the shape of a box with a rectangular section comprising a lower sole 11 and an upper sole 12 connected by two vertical webs 13, respectively internal 13i and external 13th .
  • the platform of the bridge consists only of the upper flanges 12 of the two beams 1, 1 'between which are inserted junction plates 23 resting simply on the spacers 2 by the intermediate longitudinal sections 20 which thus constitute wedging members whose height can be adjusted so that the upper faces of the junction plates 23 are at the same level as the flanges 12, 12 'and form, with them, a continuous floor B.
  • the distance between the axes of the beams 1, 1 ' can be determined so that the upper flanges 12 of the two beams 1, 1' form two raceways for the circulation of the vehicles directly on said flanges, the latter being treated by example striated, to ensure proper adhesion.
  • the plates 23 inserted between the flanges 12 and resting on the spacers 2 by profiles 20 regularly distributed may consist of simple grating.
  • Such an embodiment allows a particularly simple and fast construction of a bridge to one or more traffic lanes from several series of prefabricated elements, respectively elements of box beam, spacers, longitudinal sections and joining plates.
  • the beam elements 1 can be assembled on the bank to form a beam of desired length which can be either raised in block or pushed longitudinally, the quadrangular box section of the beam to avoid the risk of spills.
  • the spacers 2 are bolted to the gussets 14, the longitudinal sections 20 are placed on the spacers and then set up the consecutive panels 23 to form the platform B of the bridge.
  • a third longitudinal beam can be made by butt assembly of prefabricated elements and this beam is then pushed onto the existing span and then removed from it to be placed at the desired distance by lifting means mounted on the span. Since the new beam is also provided with fastening gussets 14, it is possible, from the existing span, to place and bolt the spacers 2 and then the longitudinal sections 20 and finally to put the joining plates 23.
  • the same technique can be used for the realization of a definitive bridge, with a concrete platform.
  • This may consist of prefabricated slabs which rest directly on the upper flanges 12 of the two beams 1, 1 'and on the spacers 2, via the profiles 20.
  • two consecutive beam elements 1a, 1b are interconnected, at their lower part, by an articulated connection means 3 and bear against one another, at their upper part, by a wedging means 4.
  • the articulated connection means 3 comprises at least two connecting pieces 31, 32 respectively fixed on the ends of the two beams 1a, 1b at their lower flanges 11 and provided with orifices 33 which, after assembly of the beams 1a, 1b , are aligned to allow the threading of a fastening rod 34.
  • the ends 11 ', 12', 13 ', respectively of the lower flange 11, of the upper flange 12 and of each core 13, are set back from the plane Q of junction between two consecutive elements 1 a, 1 b , so that each connecting piece 31, 32 attached to the end of an element 1a, 1b has a portion 31 ', 32' which protrudes beyond the junction plane Q and in which is provided an orifice 33 centered on an axis 30.
  • the two projecting parts overlap and the orifices 33 are centered on the same axis 30 placed in the plane of junction Q, a rod 34 being then threaded into the holes thus aligned.
  • the two consecutive beam elements 1 a, 1 b are thus articulated, at their lower part, about the axis 30 and tend to bear against one another at their upper part, under the effect of the weight of elements and loads applied.
  • This support is effected by means of a wedging means consisting, at the end of each beam, of a plate 41 forming a transverse wedge having an inner edge 42 welded to the end 12 'of the upper sole. 12 and an outer edge 43 placed substantially in the junction plane Q.
  • the female clevis 31 consists of two plates, one of which is represented in perspective on the figure 5 , which are welded on either side of each core 13 of the beam element 1a and on the lower flange 11.
  • the male yoke 32 consisting of a plate provided with a median slot which fits on the lower part of the core 13 of the element 1b and is welded to it and on the lower soleplate 11.
  • the ends 31 'of the two parts of the female clevis 31 are thinned so as to provide a space in which engages the end 32 'of the male part 32, these projecting parts 31', 32 'being provided with orifices 33 in which is threaded the rod of solidarity 34.
  • the two consecutive beam elements 1a, 1b thus articulated at their lower part bear against each other, at their upper part, by means of a wedging means 4 constituted by the end of each beam element 1a, 1b, of a flat 41 extending transversely to the longitudinal axis of the beam, over the entire width of the upper flange 12 and welded to the end 12 'of that along an inner edge 42.
  • the two wedges 41 welded respectively to the flanges 12 of the two beam members 1a, 1b are supported on one another by an outer edge 43 which, after assembly of the two beam elements, is placed in the junction plane Q passing through the hinge axis 30.
  • the two wedges 41 have a wedge-shaped profile whose thickness increases between the inner edge 42 of thickness equal to that of the upper sole 12 and the outer edge 43 whose thickness is intended to accommodate the horizontal stresses resulting the support of the two elements on each other under the effect of the load.
  • Each shim 41 extends cantilevered from the upper flange 12 and is welded to the upper parts of the ends of the two webs 13 of the beam which are provided with a notch having a profile conjugate to that of the wedge 41 .
  • the wedge 41 is supported by two vertical gussets 15 extending in a console from a transverse bracket 16 fixed on the outer face of the vertical core 13.
  • brackets 16 fixed respectively to the two webs 13 of the beam can serve, inwardly, to bolt a spacer 2 and, outwardly, to the attachment of a guard rail C.
  • brackets 16a, 16b fixed at the opposite ends of the two adjacent beam members 1a, 1b are provided with orifices 16 'for the passage of a prestressed bar 17 which is tensioned and whose ends are threaded. for rengagement of a nut not shown.
  • the span elements A each comprising two beam elements 1, 1 'can be assembled on the shore by fitting one into the other. other their connecting pieces 31, 32, each beam member being provided at one end of a female piece 31 and at its other end with a male piece 32.
  • the assembling of the articulations can take place flat and, after assembly, the bars 16 are passed through the orifices 16, which are tensioned so as to apply the outer edges 43 of the opposite spacers 41 to one another.
  • the consecutive span elements can be assembled together on the shore, and after slinging, are lifted by a lifting means such as a crane to be placed on two spaced piles D, as shown schematically on the figure 6 .
  • the launch can then continue by advancing the pontoon with the element that it supports up to the opposite bank on which a hoist can lift the front end of the bay to rest on the second abutment.
  • the width of the wedges 41 can be adjusted so as to give the span thus formed a defined longitudinal profile having, for example, as shown in FIG. figure 6 a convexity turned upwards to provide, between the upper level of the span and the level of the supports D, an arrow f to compensate for the bending of the beam under the effect of its own weight and the loads applied in service .
  • the width l of the two wedges 41 can be adjusted so as to leave, after support, a certain opening determining an angle (i) between the planes of the upper flanges 12, 12b of two consecutive elements 1a, 1b.
  • the circulation platform can be constituted, simply, by the upper faces of the flanges 12, 12 'and the plates 23 inserted therebetween.
  • articulated beam elements for the realization of a span having a slightly convex profile upward is particularly interesting in the case where the platform of the bridge consists of a concrete slab extending over all the length of the span, as shown schematically on the figure 7 .
  • this slab 5 may be cast on the continuous floor (B) constituted by the flanges 12 of the beams 1 and the thin plates inserted therebetween, the assembly forming a lost formwork. But it can also realize the slab in the form of prefabricated concrete elements placed one after the other and between which are formed concrete joints to form a continuous slab.
  • the longitudinal beams 1 consist of a series of consecutive elements 1a, 1b, 1c ... whose adjacent ends are connected at their lower parts by hinges 3 and are kept apart one from the other. other at their upper parts so that their upper flanges 12a, 12b are placed in planes forming between them a determined angle so that the whole of the longitudinal beam takes a profile in convex convex upward.
  • wedging means 4 are interposed between the upper flanges 12a, 12b.
  • the longitudinal beams 1 are associated with a means of maintaining their profile in convex length at least during the casting and hardening of the concrete slab, the wedges 41a, 40b being slightly apart from each other, as shown in FIG. figure 8 .
  • this means of maintaining the profile of the beams 1 comprises a set of tie rods 6 bearing on the concave lower face of the beam by push rods 61 forming a punch at each hinge 3, the beam 1 being, thus, sub- tense.
  • the tension of the tie rods 6 may be slightly reduced so that, under the effect of the self weight of the span, the deflection of the latter decreases, the concrete 5 coming into compression until the support is placed on one another wedges 4 placed at the upper part of the beams.
  • the upper flanges of the beams 1, 1 ' are provided with projecting parts forming connectors, which are sealed in the concrete slab 5 so that it is secured to the beams and contributes to the resistance of the 'together.
  • two consecutive elements 1a, 1b of the beam are connected, at their lower parts, by a hinge 3 of the type described above and, at their upper parts by a connecting member of variable length 60 which, in the example shown, consists of two sandboxes each having a cylindrical body 62 and a piston 63 hinged respectively on the vertical webs of the two elements 1a, 1b and limiting an inner chamber 64 filled with sand and provided with an orifice 65 closed by a plug removable.
  • the sand boxes 60 are adjusted so that the ends of the wedges 41a, 41b are slightly spaced apart from each other.
  • the orifices 65 are open and the sand 64 can escape allowing the upper parts of the two elements 1a, 1b to be brought together until their wedges 41a, 41b come in support of each other, this approximation determining the compression of the concrete 5 under a determined effort.
  • the beam elements 1a, 1'a are provided on their side faces with gussets 14i, 14e regularly spaced apart, it is possible to offset longitudinally one of the beams 1 relative to the beam parallel 1 'a distance equal to the spacing between two fasteners 14. In this case, it is still possible to install the spacers 2 and fix them on the side faces of the two beams 1, 1' but the offset advantageously allows a bridge to be made at an angle, the direction of the span forming a non-right angle with the direction of the support D.
  • the modular bridge that has just been described therefore has multiple advantages and, in particular, given the hoisting equipment that can be available for the realization and implementation of a span, it is possible to use elements in box of a significant length, for example ten meters.
  • Such elements can, in fact, be made in the factory and brought by road to the construction site, which can be supplied with containers of 12 meters to have, in a desired number, all the necessary elements, namely box-beam elements provided in advance with their fastening gussets and their joints, transverse cross-members, longitudinal profiles and joining plates and various accessories such as, for example, railing elements or sidewalks that can be attached to the side faces of the outer beams by short spacers.
  • the modular bridge according to the invention has the advantage of not limiting the clearance gauge between the two carrier beams, as in the case of bridges of the type BAILEY, the deck being placed on the upper face of the supporting beams.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Claims (19)

  1. Metallbrücke mit einer Plattform (B), die auf wenigstens zwei Längsträgern (1, 1') ruht, von denen jeder aus einer Reihe vorgefertigter Elemente (1a, 1b, ...) besteht, von denen jedes zwei voneinander beabstandete, im Wesentlichen horizontale Sohlen, und zwar eine untere (11) und eine obere (12), die durch wenigstens eine im Wesentlichen vertikale Seele (13) verbunden sind, aufweiset und die an deren aneinander angrenzenden Enden auf Stoß aneinandergefügt sind, wobei zwei aufeinanderfolgende Elemente (1a, 1b) eines Längsträgers (1) untereinander an deren unteren Sohlen (11a, 11b) durch ein um eine Querachse gelenkiges Verbindungsmittel (3) verbunden sind und aneinander anliegen und an deren oberen Sohlen (12a, 12b) durch ein Mittel zur Querverkeilung (4) verbunden sind, das eine derart eingestellte Breite hat, daß es dem Längsträger (1) ein bestimmtes Längsprofil gibt, dadurch gekennzeichnet, daß das Querverkeilungsmittel (4) zwischen zwei aufeinanderfolgenden Längsträgerelementen (1a, 1b) am Ende jedes Längsträgerelements (1a, 1b) aus einem winkelförmigen Keil gebildet ist, der aus einer Metallplatte (41) gebildet ist, die an einem inneren Rand (42) entlang eines Endes (12') der oberen Sohle (12) des Elements (1a, 1b) angeschweißt ist, wobei sich jeder Keil (41) von den oberen Sohlen (12) der beiden Elemente (1a, 1b) aus frei hervorstehend bis zu äußeren Rändern (43a, 43b) erstreckt und sich die Keile in einer durch die Gelenkachse (30) gehenden Verbindungsebene (Q) aufeinander abstützen, wobei die äußeren Ränder (43) jeweils eine Dicke aufweisen, die dazu vorgesehen ist, die aus dem Aufeinanderliegen der beiden Elemente (1a, 1b) unter Belastung resultierenden horizontalen Lasten aufzufangen, und an die oberen Teile der Seelen (13) des Trägers angeschweißt sind, die ein zu dem des Keils entgegengesetztes Profil aufweisen, und daß die Keile (41) eine Breite haben, die so eingerichtet ist, daß nach dem Zusammenbau zweier aufeinanderfolgender Trägerelemente (1a, 1b) deren obere Sohlen (12a, 12b) in Ebenen liegen, die miteinander einen Winkel (i) bilden, der so bestimmt ist, daß der Längsträger insgesamt dem gewünschten Längsprofil folgt.
  2. Metallbrücke gemäß Anspruch 1, dadurch gekennzeichnet, daß jeder Keil (41) durch vertikale Verbindungsstücke (15) abgestützt ist, die sich konsolenartig von einem an der vertikalen Seele (13) des Elements (1a, 1b) befestigten Teil (16) aus erstrecken.
  3. Metallbrücke gemäß einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß das gelenkige Verbindungsmittel (3) zwischen zwei aufeinanderfolgenden Trägerelementen (1a, 1b) am Ende jedes Elements (1a) wenigstens ein längsgerichtetes Stück (31) für eine Verbindung mit einem entsprechenden Stück (32) des angrenzenden Elements (1b) aufweist, wobei jedes Verbindungsstück (31, 32) an der unteren Sohle (11) des Elements (1) befestigt ist und wenigstens einen Teil (31', 32') aufweiset, der sich hervorstehend über deren Ende (11') hinaus erstreckt und in dem ein Loch (33) mit horizontaler Achse geformt ist, und daß sich die hervorstehenden Teile (31', 32') der Verbindungsstücke (31, 32) beim Zusammensetzen von zwei aufeinanderfolgenden Trägerelementen (1a, 1b) so überlappen, daß die Löcher (33) auf ein und dieselbe Querachse (30) ausgerichtet und zentriert sind, um das Einführen einer Verbindungsstange (34) zu ermöglichen.
  4. Metallbrücke gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß nach Zusammenfügen zweier aufeinanderfolgender Trägerelemente (1a, 1b) die aneinander anliegenden Enden der beiden Trägerelemente (1a, 1b) wenigstens vorübergehend an deren oberen Teil durch ein Verbindungsmittel (17) verbunden sind, das eine Befestigung der beiden aufeinanderfolgenden Elemente derart sicherstellt, daß sich die Gesamtheit der Elemente für den Transport und den Aufbau derselben wie ein durchgehender Träger verhält.
  5. Metallbrücke gemäß Anspruch 4, dadurch gekennzeichnet, daß das obere Verbindungsmittel zwischen zwei aufeinanderfolgenden Trägerelementen (1a, 1b) wenigsten eine längsgerichtete Stange (17) ist, die mit Spannmitteln zum Zusammenpressen der Keilteile (41) versehen ist.
  6. Metallbrücke gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Plattform (B) der Brücke aus einer Reihe von Verbindungsplatten (23) besteht, die sich zwischen den oberen Sohlen (12, 12') der die beiden Längsträger (1, 1') bildenden Elemente an deren oberen Seiten erstrecken, um einen durchgehenden Boden zu bilden.
  7. Metallbrücke gemäß Anspruch 6, dadurch gekennzeichnet, daß die oberen Sohlen (12, 12') der beiden Träger (1, 1') und die sich zwischen ihnen erstreckenden Platten (23) eine verlorene Form für das Gießen einer das Ganze bedeckenden Betonplatte (5) bilden.
  8. Metallbrücke gemäß Anspruch 7, dadurch gekennzeichnet, daß im Fall, daß die Brücke mit einer Betonplatte bedeckt ist, die aufeinanderfolgenden Elemente (1a, 1b, ...) jedes Längsträgers (1, 1') einem Mittel (6, 60) zugeordnet sind, das wenigstens während des Gießens und des Aushärtens der Betonplatte (5) ermöglicht, das konvexe Längsprofil der Träger (1, 1') mit einem geringen Abstand der äußeren Ränder (43) der Keile (41a, 41b) zu bewahren.
  9. Metallbrücke gemäß Anspruch 8, dadurch gekennzeichnet, daß jeder gelenkige Längsträger (1) durch eine Reihe von Zugelementen (6) gespannt ist, die das Mittel zum Erhalt des konvexen Längsprofils des Längsträgers (1) bilden, wobei sich die Zugelemente (6) auf dessen unterer konkaven Oberfläche mittels Schubstangen (61) abstützen, die im Bereich jedes Gelenks (3) einen Stempel bilden.
  10. Metallbrücke gemäß Anspruch 9, dadurch gekennzeichnet, daß das Mittel zum Erhalt des konvexen Längsprofils jedes Trägers (1) ein Verbindungsorgan (60) variabler Länge zwischen den oberen Teilen der aufeinanderfolgenden Elemente (1a, 1b, ...) des Trägers (1) ist.
  11. Metallbrücke gemäß Anspruch 10, dadurch gekennzeichnet, daß das Verbindungsorgan (60) variabler Länge zwischen zwei aufeinanderfolgenden Elementen (1a, 1b) von wenigstens einem Hydraulikzylinder gebildet wird, der einen Körper und eine Kolbenstange aufweist, die an jedem der aufeinanderfolgenden Elemente (1a, 1b) angelenkt sind.
  12. Metallbrücke gemäß Anspruch 10, dadurch gekennzeichnet, daß das Verbindungsorgan (60) variabler Länge zwischen zwei aufeinanderfolgenden Elementen (1a, 1b) von wenigstens einem Sandkasten gebildet wird, der einen Körper (62) und einen Kolben (63) aufweist, die sich entsprechend auf jedem der Trägerelementen (1a, 1b) abstützen und eine mit Sand gefüllte Kammer (64) begrenzen, die eine Auslaßöffnung (65) aufweist, die ein teilweises Entleeren des Sands nach dem Gießen und Aushärten der Betonplatte (5) ermöglicht, um dieselbe durch Reduzieren der Durchbiegung des Längsträgers (1) zu komprimieren.
  13. Metallbrücke gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß sie einen Brückenboden aufweist, der auf wenigstens drei voneinander beabstandeten Auflagern, und zwar zwei Endwiderlagern (D) und wenigstens einem zentralen Brückenpfeiler (D'), ruht, wobei der Brückenboden eine Plattform aufweist, die auf wenigstens zwei Längsträgern (1, 1') ruht, die aus vorgefertigten, aneinandergereihten Elementen besteht, die zwei senkrecht beabstandete Sohlen, und zwar eine untere (11) und eine obere (12), aufweisen, dadurch gekennzeichnet, daß jeder Längsträger im Bereich jedes zentralen Brückenpfeilers (D') ein auf dem Brückenpfeiler ruhendes zentrales Element (10') aufweist, das zwei mit den angrenzenden Enden der dieses umgebenden Trägerelemente (1e, 1f) durch Gelenke mit Querachse (3') verbundene Enden aufweist, wobei die Gelenke im Wesentlichen im Bereich der oberen Sohlen (12) angeordnet sind, wobei die anderen Elemente jedes Trägers (1) untereinander durch Gelenke verbunden sind, die im Wesentlichen im Bereich von deren unteren Sohlen angeordnet sind.
  14. Metallbrücke gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß jedes Längsträgerelement entlang wenigstens einer Seitenfläche (13) mit einer Anzahl von regelmäßig beabstandeten Kehlstücken (14) zum Befestigen wenigstens eines Verbindungsquerstegs (2) zwischen den Elementen (1a, 1'a) zweier paralleler Träger (1, 1') versehen ist.
  15. Metallbrücke gemäß Anspruch 14, dadurch gekenntzeichnet, daß die Elemente (1a, 1'a) zweier paralleler Träger (1, 1') längs um einen Abstand versetzt sind, der dem Abstand zwischen zwei aufeinanderfolgenden Kehlstücken (14) zum Befestigen eines Querstegs (2) entspricht, um eine zu seinen Auflagern (D) schräge Spannweite zu schaffen.
  16. Verfahren zum Herstellen eines Metallbrückenfelds gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichet, daß, wenn jeder Längsträger (1, 1') unter der Einwirkung des Eigengewichts der Brücke und der angewendeten Belastungen einer Biegung nach unten unterwerfen ist, die Breite jedes Mittels zur Querverkeilung (4) zwischen den oberen Sohlen der Elemente eines Längsträgers (1, 1') so eingestellt wird, daß dem besagten Träger ein nach oben konvexes Längsprofil gegeben wird, das eine ausreichende Durchbiegung (f) aufweist, um die nach unten gerichtete Biegung des Trägers (1) auszugleichen.
  17. Verfahren gemäß Anspruch 16, bei dem die Plattform (B) der Brücke aus einer Reihe von Platten (23) gebildet wird, die sich zwischen den oberen Sohlen (12, 12') der die beiden Längsträger bildenden Elemente erstrecken, dadurch gekennzeichnet, daß die oberen Sohlen (12, 12') der beiden Träger (1, 1') und die sich zwischen diesen beiden erstreckenden Platten (23) eine verlorene Form für das Gießen einer das Ganze bedeckenden Betonplatte (5) bilden.
  18. Verfahren gemäß Anspruch 17, dadurch gekennzeichnet, daß die aufeinanderfolgenden Elemente (1a, 1b) eines Längsträgers (1) einem Mittel (6, 60) zugeordnet sind, das ermöglicht, ein konvexes Längsprofil des Trägers (1) zu bewahren, wobei das Längsprofil so bestimmt wird, daß die die Plattform (B) bedeckende Betonplatte (5) unter der Einwirkung des Eigengewichts der Brücke und der angewendeten Belastungen durch eine nach unten gerichtete Biegung der beiden Träger (1, 1') komprimiert wird.
  19. Verfahren gemäß Anspruch 18, dadurch gekennzeichnet, daß jeder Träger (1) für den Erhalt des konvexen Längsprofils während der Fertigung der Betonplatte (5) Mitteln (6, 60) zum Erhalt eines bestimmten Abstands zwischen den oberen Teilen der angrenzenden Enden der Trägerelemente (1a, 1b) zugeordnet wird, und daß nach Aushärten des Betons eine Annäherung der besagten oberen Teile der Elemente (1a, 1b) zum Komprimieren der Betonplatte (5) durch Reduzieren der Durchbiegung (f) der angelenkten Längsträger ermöglicht wird.
EP04767926.1A 2003-08-01 2004-07-28 Metallbrücke und herstellungsverfahren dafür Expired - Lifetime EP1660725B1 (de)

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EP12179291A EP2573268A1 (de) 2003-08-01 2004-07-28 Modulare Metallbrücke, und ihr Herstellungsverfahren

Applications Claiming Priority (2)

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FR0309522A FR2858338B1 (fr) 2003-08-01 2003-08-01 Procede de realisation d'une poutre de pont metallique et poutre ou travee ainsi realisee
PCT/FR2004/050365 WO2005012644A1 (fr) 2003-08-01 2004-07-28 Pont metallique modulaire et son procede de realisation

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FR (1) FR2858338B1 (de)
MA (1) MA27977A1 (de)
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TN (1) TNSN06040A1 (de)
WO (1) WO2005012644A1 (de)
ZA (1) ZA200600955B (de)

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MX352718B (es) 2011-09-06 2017-12-06 Matiere Star Viga metálica adaptada para realizar un elemento constitutivo del pilotaje de un puente.
FR2980492B1 (fr) * 2011-09-28 2014-06-13 Matiere Poutre metallique adaptee pour former un element constitutif d'une travee d'un pont
FR2980493B1 (fr) * 2011-09-28 2013-09-27 Matiere Dispositif de fixation d'une entretoise entre deux poutres metalliques paralleles constitutives de la travee d'un pont
FR3019194B1 (fr) 2014-03-26 2016-05-06 Matiere Systeme d'assemblage pour connecter des modules de poutre, poutre et travee de pont modulaire comprenant un tel systeme
FR3019193B1 (fr) * 2014-03-26 2016-05-06 Matiere Travee de pont modulaire, module de poutre et procede de construction modulaire d'une telle travee
GB2524837B (en) 2014-04-04 2017-04-12 Ove Arup & Partners Int Ltd Modular bridge and bridge module
FR3114823B1 (fr) 2020-10-07 2023-11-17 Aevia Système de pont modulaire et son procédé de fabrication
CL2022000486A1 (es) * 2022-02-28 2022-09-09 Diego Alexis Garces Garces Un puente modular del tipo mecano para tráfico de alto tonelaje.

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OA13227A (fr) 2006-12-13
TNSN06040A1 (fr) 2007-10-03
FR2858338A1 (fr) 2005-02-04
EP1660725A1 (de) 2006-05-31
EP2573268A1 (de) 2013-03-27
WO2005012644A1 (fr) 2005-02-10
ZA200600955B (en) 2007-04-25
MA27977A1 (fr) 2006-07-03
FR2858338B1 (fr) 2015-03-13

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