EP2573268A1 - Modulare Metallbrücke, und ihr Herstellungsverfahren - Google Patents

Modulare Metallbrücke, und ihr Herstellungsverfahren Download PDF

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Publication number
EP2573268A1
EP2573268A1 EP12179291A EP12179291A EP2573268A1 EP 2573268 A1 EP2573268 A1 EP 2573268A1 EP 12179291 A EP12179291 A EP 12179291A EP 12179291 A EP12179291 A EP 12179291A EP 2573268 A1 EP2573268 A1 EP 2573268A1
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EP
European Patent Office
Prior art keywords
longitudinal
elements
beams
series
spacers
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.)
Withdrawn
Application number
EP12179291A
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English (en)
French (fr)
Inventor
Philippe Matiere
Marcel Matiere
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.)
Matiere SAS
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Matiere SAS
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Filing date
Publication date
Application filed by Matiere SAS filed Critical Matiere SAS
Publication of EP2573268A1 publication Critical patent/EP2573268A1/de
Withdrawn legal-status Critical Current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
    • E01D15/12—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 trapezoidal or rectangular section boxes, which facilitates the installation and, at 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 comprising a substantially horizontal platform supported on two longitudinal beams and consisting of at least three series of elements prepared in advance, respectively a series of elements.
  • longitudinal members each comprising two substantially horizontal spacers, respectively lower and upper, connected by at least one substantially vertical core, said beam members being joined end to end to form at least two parallel longitudinal beams spaced from each 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 elements 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 struts via setting 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 an arrow sufficient to compensate for 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, on assembling two consecutive beam elements, against an outer edge of the corresponding shim of the adjacent element, each shim having a width adjusted so that, after assembly of two consecutive beam elements, their upper flanges are placed in planes forming between them an angle I determined so that the entire longitudinal beam follows the desired length profile.
  • 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 for producing a metal bridge in which at least two longitudinal beams are constructed each consisting of at least two beam elements placed end to end, is placed on two apart supports a bridge span composed of two beams interconnected by spacers, at least two longitudinal sections are placed on said spacers and a series of junction plates extending between the upper faces of the longitudinal beams and forming with the longitudinal beams is placed on said profiles. This is the platform of the bridge.
  • 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 section and the right half-section view of the end of the span, along the line 1, I of the 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 rapid construction of a bridge to one or more traffic lanes from several series of prefabricated elements, respectively box beam elements, spacers, longitudinal profiles and plates. junction.
  • 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, and placed on the spacers longitudinal profiles 20 and then we can 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.
  • the flanges 12 are advantageously provided with connectors welded to the flanges and sealed in the concrete to ensure the joining of the slab with the two longitudinal beams.
  • 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 two consecutive beam elements 1a, 1b 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 their own weight. 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 member 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 the end 32 'of the male part 32 engages, these projecting parts 31', 32 'being provided with orifices 33 in which the fastening rod is threaded. 34.
  • the two consecutive beam elements 1a, 1b thus articulated at their lower part are supported on one another, at their upper part, by means of a wedging means 4 constituted by end of each beam member 1a, 1b, a plate 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 'thereof 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 plane of junction Q passing through the axis of articulation 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 sole upper 12 and the outer edge 43 whose thickness is provided to absorb the horizontal stresses resulting from the support of the two elements one on the 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 be used, inwardly, to bolt a spacer 2 and, outwardly, to fix a railing 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 the engagement of an unrepresented nut.
  • the span elements A each comprising two beam elements 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 longitudinal profile. determined having, for example, as shown in 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 I 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 may consist, simply, of 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 from each 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 bear against each other. one on the other, this approximation determining the setting in 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'd a distance equal to the spacing between two fasteners 14. In this case, it is still possible to put the spacers 2 and fix them on the lateral faces of the two beams 1, 1 'but the offset advantageously allows a bridge to be made. bias, 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.
  • box girders of rectangular or trapezoidal section is particularly advantageous, but it would also be possible to use beam elements having another section, for example a single-core I-section.

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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0309522A FR2858338B1 (fr) 2003-08-01 2003-08-01 Procede de realisation d'une poutre de pont metallique et poutre ou travee ainsi realisee
EP04767926.1A EP1660725B1 (de) 2003-08-01 2004-07-28 Metallbrücke und herstellungsverfahren dafür

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP04767926.1A Division-Into EP1660725B1 (de) 2003-08-01 2004-07-28 Metallbrücke und herstellungsverfahren dafür
EP04767926.1 Division 2004-07-28

Publications (1)

Publication Number Publication Date
EP2573268A1 true EP2573268A1 (de) 2013-03-27

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP04767926.1A Expired - Lifetime EP1660725B1 (de) 2003-08-01 2004-07-28 Metallbrücke und herstellungsverfahren dafür
EP12179291A Withdrawn EP2573268A1 (de) 2003-08-01 2004-07-28 Modulare Metallbrücke, und ihr Herstellungsverfahren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP04767926.1A Expired - Lifetime EP1660725B1 (de) 2003-08-01 2004-07-28 Metallbrücke und herstellungsverfahren dafür

Country Status (7)

Country Link
EP (2) EP1660725B1 (de)
FR (1) FR2858338B1 (de)
MA (1) MA27977A1 (de)
OA (1) OA13227A (de)
TN (1) TNSN06040A1 (de)
WO (1) WO2005012644A1 (de)
ZA (1) ZA200600955B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008020716A1 (en) * 2006-08-17 2008-02-21 Research Institute Of Industrial Science & Technology Modular steel bridge
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
US20240200290A1 (en) * 2020-09-01 2024-06-20 Rotao Tech Ltd. Bridge girder with high central-wall-beam
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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Publication number Priority date Publication date Assignee Title
DE941375C (de) * 1952-03-15 1956-04-12 Dortmunder Union Brueckenbau A Strassenbruecke mit einer Fahrbahn aus einem Gitterrost
CH422857A (de) * 1963-04-26 1966-10-31 Beteiligungs & Patentverw Gmbh Zerlegbare Brücke
US3411167A (en) * 1965-04-10 1968-11-19 Krupp Gmbh Road construction
DE3120563A1 (de) * 1981-05-23 1982-12-16 Hein, Lehmann AG, 4000 Düsseldorf Verbundbruecke
US4825492A (en) 1986-08-28 1989-05-02 The State Of Israel, Ministry Of Defence, Israel Military Industry Rapid deployment stationary bridge
US4965903A (en) 1989-02-17 1990-10-30 Kitchener Forging Ltd. Modular bridge
DE4215039A1 (de) * 1991-05-13 1992-11-19 Emil Peter Verbundbauteile aus holz und stahlbeton
DE29822839U1 (de) * 1998-12-22 1999-03-18 MAN Technologie AG, 86153 Augsburg Trag- und handbaubare Grabenbrücke
FR2801328A1 (fr) 1999-11-19 2001-05-25 Soc Civ D Brevets Matiere Tablier de pont metallique et procede de construction d'un pont comportant un tel tablier

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Publication number Priority date Publication date Assignee Title
US2822068A (en) * 1953-03-18 1958-02-04 Hendrix Hubert Lee Beam structures and method of applying tension thereto to reverse the stress therein
FR1288566A (fr) * 1960-05-06 1962-03-24 Beteiligungs & Patentverw Gmbh Charpente constituée par des poutres principales et des poutres transversales, destinée en particulier à des ponts démontables
GB8821298D0 (en) * 1988-09-12 1988-10-12 Secr Defence Folding transportable bridge

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE941375C (de) * 1952-03-15 1956-04-12 Dortmunder Union Brueckenbau A Strassenbruecke mit einer Fahrbahn aus einem Gitterrost
CH422857A (de) * 1963-04-26 1966-10-31 Beteiligungs & Patentverw Gmbh Zerlegbare Brücke
US3411167A (en) * 1965-04-10 1968-11-19 Krupp Gmbh Road construction
DE3120563A1 (de) * 1981-05-23 1982-12-16 Hein, Lehmann AG, 4000 Düsseldorf Verbundbruecke
US4825492A (en) 1986-08-28 1989-05-02 The State Of Israel, Ministry Of Defence, Israel Military Industry Rapid deployment stationary bridge
US4965903A (en) 1989-02-17 1990-10-30 Kitchener Forging Ltd. Modular bridge
DE4215039A1 (de) * 1991-05-13 1992-11-19 Emil Peter Verbundbauteile aus holz und stahlbeton
DE29822839U1 (de) * 1998-12-22 1999-03-18 MAN Technologie AG, 86153 Augsburg Trag- und handbaubare Grabenbrücke
FR2801328A1 (fr) 1999-11-19 2001-05-25 Soc Civ D Brevets Matiere Tablier de pont metallique et procede de construction d'un pont comportant un tel tablier

Also Published As

Publication number Publication date
ZA200600955B (en) 2007-04-25
MA27977A1 (fr) 2006-07-03
FR2858338B1 (fr) 2015-03-13
FR2858338A1 (fr) 2005-02-04
WO2005012644A1 (fr) 2005-02-10
OA13227A (fr) 2006-12-13
EP1660725A1 (de) 2006-05-31
EP1660725B1 (de) 2015-10-14
TNSN06040A1 (fr) 2007-10-03

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