EP0563872A1 - Pont déplaçable et véhicule pour la pose du pont - Google Patents

Pont déplaçable et véhicule pour la pose du pont Download PDF

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Publication number
EP0563872A1
EP0563872A1 EP93105207A EP93105207A EP0563872A1 EP 0563872 A1 EP0563872 A1 EP 0563872A1 EP 93105207 A EP93105207 A EP 93105207A EP 93105207 A EP93105207 A EP 93105207A EP 0563872 A1 EP0563872 A1 EP 0563872A1
Authority
EP
European Patent Office
Prior art keywords
bridge
sections
section
coupling
elements
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
EP93105207A
Other languages
German (de)
English (en)
Other versions
EP0563872B1 (fr
Inventor
Hans-Norbert Dr.-Ing. Wiedeck
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 Industrial Solutions AG
Original Assignee
Krupp Industietechnik GmbH
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
Priority claimed from EP92105517A external-priority patent/EP0563418A1/fr
Application filed by Krupp Industietechnik GmbH, Krupp Foerdertechnik GmbH filed Critical Krupp Industietechnik GmbH
Priority to EP19930105207 priority Critical patent/EP0563872B1/fr
Publication of EP0563872A1 publication Critical patent/EP0563872A1/fr
Application granted granted Critical
Publication of EP0563872B1 publication Critical patent/EP0563872B1/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
    • E01D15/12—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
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E01D15/127—Portable or sectional bridges combined with ground-supported vehicles for the transport, handling or placing of such bridges or of sections thereof

Definitions

  • the invention relates to a relocatable bridge, consisting of a plurality of mutually identical bridge sections, each with two laterally arranged, again mutually identical lane elements, each with a carriageway girder and a lower girder connected to it via adjusting elements and adjustable in height to form an undervoltage, the Lane elements of each bridge section are connected to one another by cross members and the road supports and the lower chords of bridge sections arranged one behind the other can be coupled to one another, and a vehicle with a telescopic support for laying the bridge.
  • Layable bridges are used to drive vehicles with weights of up to approx. 70 t over obstacles (water, incisions in the terrain, etc.). Most of the obstacles are in a range of approx. 14 m, but vehicles should also be able to drive over obstacles of 40 to 45 m. It is known to assemble bridges that can be laid for this purpose, depending on their length, from a different number of bridge sections. It is advantageous to use the same bridge sections as either end or ramp sections, or as middle or intermediate sections.
  • a generic bridge is known from DE-OS 38 14 502, in which the lower chords of the bridge elements are arranged in a straight line one behind the other and the carriageway girders forming the track form an upwardly formed polygon. Since the carriageway girders of the known bridge have a uniform length, the length of the lower chords and the struts connecting the lower girders to the carriageway girders must be varied depending on the position of the bridge element within the bridge and can only be locked or finally coupled thereafter. However, this has the disadvantage that a considerable time is required for the assembly of the entire bridge. In addition, the known bridge has the disadvantage that the overall height of a large bridge reaches a considerable level, so that the vehicles have to drive over a "hill", which greatly reduces the translation capacity.
  • a bridge that can be assembled from individual elements is known from DE-OS 28 07 859.
  • different bridge elements stamp parts and middle or intermediate units
  • a separate undervoltage with a stiffening chain and mechanically adjustable posts are available.
  • the different elements result in increased transport costs compared to the same bridge elements.
  • only as many bridges can be created from the bridge elements as the number of ramp parts allows.
  • a relocatable bridge which consists of sections (ramp and middle sections) with two pairs arranged side by side Bridge elements is composed.
  • Each bridge element has a roadway girder forming a lane and a lower flange, which are connected to the roadway girder by means of posts arranged at the beginning and end of the bridge elements.
  • the pressure-resistant posts have a hinge in their center, so that they can be folded and the lower chords can be folded up against the carriageway girders. This results in a low transport height of the bridge elements compared to the finished bridge construction.
  • the corner points of the bridge girders have diagonally arranged tension elements which give the bridge girder or section additional stability.
  • the assembly of the finished bridge takes place individually on each bridge element, which leads to a considerable assembly time.
  • the bridge sections for the ramps and the main part are different.
  • the present invention has for its object to design a relocatable bridge of the type mentioned, that is, with mutually identical bridge sections, so that a substantially flat lane is created for the entire bridge and the bridge can be assembled in a short time, the bridge sections should have a low transport height and the bridge should be suitable for high loads and large spans.
  • the extended lower flange can be designed continuously for a central or intermediate section and also on one side for a ramp or end section.
  • the drive shaft arrangement can be assembled with the aid of the coupling elements located at its ends with the drive shaft arrangements of the remaining bridge sections to form a drive shaft arrangement which passes through the entire bridge, which is composed of a plurality of bridge sections, and which is uniform with regard to the transmission of torque.
  • each lane element consists of two axially mutually displaceable drive shafts, which are connected to one another torsionally stiffly or non-rotatably, the length of which is correspondingly only about half the length of a bridge section.
  • both drive shafts are each pushed out of the bridge section or out of the lane element by a certain amount by means of a spring accumulator.
  • both drive shafts facing each other of both bridge sections or lane elements are pressed in and by coupling only the closest spindle sleeves, two ramp sections are automatically formed, in which only one end of the lower chords is extended.
  • both drive shafts are pressed inwards at the middle or intermediate sections, whereby all spindle sleeves of this or these sections are coupled to the drive shaft arrangement and the lower flange of this or these sections is accordingly in extended all the way down.
  • the lane elements between the carriageway girders and the ends of the at the posts Articulated lower chord sections to be provided with oblique or diagonal stiffening elements that can be subjected to tension.
  • the central section of the lower chord is divided into two sub-sections by a joint in a preferred development of the invention, with a lock preventing the central section from buckling downward .
  • the bridge elements are provided with movable ramp parts.
  • a vehicle For laying a bridge of the type mentioned at the outset, a vehicle is provided with a telescopic support, in particular, as is known from DE-A-21 16 120.
  • the vehicle should be suitable for quickly and safely detecting and driving the drive shaft arrangement, which is located in the bridge sections coupled to form a bridge for actuating the lower belt sections.
  • the vehicle is characterized in that a rotary drive for coupling is provided with the respectively facing end of the drive shaft arrangement of the bridge to be installed, the rotary drive being arranged on a pivot arm articulated on the boom, that a main pivot cylinder is provided for the pivot arm and the pivot axis of the pivot arm is provided by at least one other hydraulic cylinder is changeable in its position and that one Centering device is provided, at least part of which is connected to the rotary drive and part to the bridge to be laid.
  • a rotary drive for coupling is provided with the respectively facing end of the drive shaft arrangement of the bridge to be installed, the rotary drive being arranged on a pivot arm articulated on the boom, that a main pivot cylinder is provided for the pivot arm and the pivot axis of the pivot arm is provided by at least one other hydraulic cylinder is changeable in its position and that one Centering device is provided, at least part of which is connected to the rotary drive and part to the bridge to be laid.
  • the pivot arm is preferably pivotable in the lower region of the boom about an axis that runs parallel to the longitudinal axis of the vehicle. With this articulation, the swivel arm can be located just below the bridge or the bridge sections in the transport position. In this position, the swivel arm is not an obstacle to movement of the bridge. In addition, this position has the advantage that the swivel arm only has to cover a small swivel angle up to the functional or coupling position.
  • the centering device has mechanical, conically shaped parts. These parts are robust and reliable.
  • the centering device can be advantageous to design the centering device with a transmitter of a measuring beam suitable for distance measurement and a conical counterpart.
  • the rotary drive is preferably as hydrostatic motor.
  • the layable bridge 1 consists of several bridge sections 2 (2.1, 2.2, ..., 2.n), which show the same structure with each other (Fig. 1).
  • Each bridge section 2 consists of two lane elements 3 arranged in pairs and in parallel, which in turn have the same structure among one another (FIG. 2).
  • the lane elements 3 have a continuous lane support 4 forming a lane, with two lateral box-shaped stiffeners 5.
  • the two lane elements 3 of each bridge section 2 are rigidly connected to one another at the level of the carriageway girders 4 by a plurality of cross girders 6.
  • the drive shafts 7, 7 ' have a coupling flange 11 or 11', which is alternately provided with recesses 12 and corresponding coupling bolts 13 pointing away from the shaft 7 or 7 '.
  • the bolts 13 of the flanges 11 and 11 ' get into the through the axial pressure Recesses 12 of the other flange. So that the coupling bolts 13 are not damaged during axial coupling even if they are not in alignment with the recesses 12 at the beginning of the coupling process, provision is made for the coupling bolts 13 to be supported by springs, as described below for other coupling flanges.
  • the flanges 11, 11 'can also be provided with a serration or a wedge profile.
  • a compression spring 14 is arranged, which tries to push the drive shafts 7, 7' beyond the end of the bridge elements 3 (FIG. 5).
  • the compression spring 14 can be supported via a slide ring 15 against the bearing 9 or against the flange 11 or 11 '(FIG. 7).
  • the drive shafts 7, 7' have a further, inner flange 16 which is alternately provided with coupling bolts 17 and corresponding recesses 18 directed towards the center of the lane element 3.
  • the drive shafts 7, 7 ' are spaced between their inner ends.
  • hollow spindle shafts or sleeves 21 are mounted on the drive shafts 7, 7 'without torque and axially displaceable relative to them.
  • a spindle head 22 with an internal thread is mounted, on the outer sides of which two pressure-resistant posts 23 are articulated on bolts 24.
  • the bolts 24 slide in guide grooves 25 running parallel to the carriageway supports 4, which are provided in sheets 26 arranged perpendicular to the carriageway supports 4 (cf. FIGS. 3 and 4).
  • the weight of the spindle heads 22 of the posts 23 and the parts attached to them is taken up by the guides 25 and the drive shafts 7, 7 'and their bearings 8, 9 are thus relieved.
  • the two posts 23 articulated on a common spindle head 22 are also only briefly referred to as "posts" or "pair of posts”.
  • the spindle shafts 21 have one Coupling flange 30, which is alternately provided with - the bolts 17 and the recesses 18 of the flanges 16 - pointing to the respective end of the lane element 3 coupling bolts 31 and recesses 32.
  • the spring coupling has the same spring bolts 13 of the coupling flanges 11, 11 '.
  • middle lower chord section 38 is articulated, at the outer ends of which in each case a further lower chord end section 39 or 39 reaching to the end face of the lane element 3 'is articulated.
  • the lower chord section 38 is divided into two sub-sections 40, 40 'by the joint 37.
  • the joint 37 is provided with a lock 42 which limits the pivoting movement of the lower sections 40, 40 '.
  • this consists of a stop 43 or 43 'fastened to the lower chord sections 40, 40', which abut one another when the sub-sections 40, 40 'are in the extended position.
  • a fixed stop 44 is also provided in the lane element 3 under the carriageway support 4 between the stiffeners 5.
  • the lane elements 3 have coupling stops 47 which can be subjected to pressure at the level of the carriageway supports 4 and coupling points 50 which can be subjected to tensile stress at the lower end of the stiffeners 5.
  • the coupling points 50 each have one or more adjacent hooks 52 which can be swiveled upward by a bolt 51 and a bolt 53 at the respective other corners (FIG. 9 ).
  • the hooks 52 have a bevel 54 with which they slide when pushing together two bridge sections 2 over the associated bolts 53 of the other bridge section.
  • the hooks 52 and the bolts 53 each form a tensile coupling connection of the bridge sections.
  • the lower straps 41 have coupling points 50 'which are comparable to the coupling points 50 and are subjected to tension.
  • both drive shafts 7, 7 ' are pushed inwards by the middle bridge section (s) , so that both spindle sleeves 21 of the relevant lane elements 3 are in coupling connection to the drive shaft arrangement 7, 19, 7 '.
  • the drive shaft arrangement (7, 19, 7 ') is rotated, the two spindle sleeves 21 are rotated at the same time, so that the one another Remove facing or assigned spindle heads 22 from one another and the lower chord section 38 and thus the entire lower chord 41 with the end sections 39, 39 'are pressed uniformly downwards in parallel, ie, away from the carriageway support 4.
  • bridge sections 2 are preassembled together that their total length sufficiently bridges the obstacle 64 to be bridged.
  • an assembly bar can be placed over the obstacle.
  • One bridge section 2 ( 2.1, 2.2, ..., 2.n) after the other is placed on the beam with its cross members 6 with the lower flange 41 drawn in and (from the second) with the bridge section (s) already lying coupled and pushed in sections on the bar towards the other bank of obstacle 64.
  • a laying vehicle 65 with a telescopic boom or stem support 66 is used.
  • a carrier is e.g. B. disclosed in DE-OS 21 16 120.
  • the base body 69 of the carrier 66 and the pair of arms 68 each have a drive arrangement 70 for advancing the bridge sections 2.
  • the drive arrangement 70 is shown at the top of the base body 69 of the boom support 66.
  • the drive 70 has a shaft, at the ends of which a roller 71 and a gear wheel 72 are fastened.
  • the rollers 71 engage in U-shaped rails 73 which are arranged under the cross members 6 between the inner stiffeners 5 and extend in the longitudinal direction of the bridge sections 2 (the other telescopic shots or bodies of the cantilever support 66 also carry rollers 71 for guiding the bridge sections 2 ).
  • the toothed wheels 72 engage in toothed racks 74 fastened to the bridge section. This enables a clear feed to be achieved.
  • a pivot arm 76 which is movable by a hydraulic cylinder 75 and which is provided at its free end with a preferably hydrostatic rotary drive 77, is articulated on the sides of the base body 69.
  • Each rotary drive 77 is provided with a coupling flange (not shown separately) which fully corresponds to the coupling flanges 11 of the drive shafts 7, 7 '.
  • the bridge is pulled back again so far that the rotary drives 77 couple with the coupling flanges 11, but not to the extent that the coupling flanges 16, 30 of the ends of the bridge section facing the rotary drive 77 can snap into place.
  • the swivel arm 76 'of the rotary drive 77' with its swivel axis 111 is in the elongated hole 112 of a holder 113 fastened laterally below on the base body 69 'of the boom support 66' guided vertically and is held by two cylinders 114, which are articulated at their other end at 115 to the base body 69 '(in FIG. 17, the pivot arm 76' is shown in a top view and the cylinders 114 are shown pivoted through 90 °).
  • the swivel arm 76 ' is otherwise articulated at 116 to the swivel cylinder 75', the other end of which is articulated at 117 to a holder 118 fastened to the base body 69 '.
  • the bridge 1 ' has another embodiment. Parts already described in connection with the bridge 1 and the laying vehicle 65, which have the same function in the bridge 1 'and in the laying vehicle 65' (FIG. 15), are provided with the same reference numerals, but for better distinction they are additionally provided with a Dash (') is provided.
  • the drive shaft arrangement located within the bridge sections 2 ' has at the ends a coupling flange 11' with six axially parallel coupling bolts 13 'and six recesses 12'.
  • the rotary drive 77 ′ equipped with a hydraulic motor 119 also has a coupling flange 11 ′′ with coupling bolts 13 ′′ and recesses 12 ′′ which are provided for engagement with the recesses 12 ′′ and the coupling bolt 13 ′.
  • a part 121 of a centering device 120 is arranged at the end of the swivel arm 76 'at which the rotary drive 77' is located.
  • the part 121 has a conical projection or mandrel 122.
  • the centering device 120 also includes a conical depression or recess 123, which is arranged on the end face of the closest bridge section 2 '.
  • the central axis of the projection 122 is at the same distance from the axis of rotation of the drive 77 'or of the flange or shaft end 11''and the same angular position as the axis of the recess 123 from the axis of rotation of the drive shaft arrangement of the bridge with the shaft end or coupling flange 11'.
  • the swivel arm 76 'with the rotary drive 77' rests slightly below the bridge 1 'or the lowest bridge section 2'.
  • the swing arm 76 ' is outside the longitudinal extent of the bridge, i. H. the bridge sections 2 'required for a certain bridge length, coupled together to form a bridge 1', are pushed far enough forward by the drive 70 onto the telescopic carrier 66 or 66 ', the swivel arm 76' is thereby moved into the functional position, i. H.
  • the bridge To couple the rotary drive to the drive shaft arrangement of the bridge 1 ', the bridge, as described, is moved by the drive 70 in the direction of the swivel arm 76'.
  • the cylinders 75 'and 114 are in the so-called "floating position", in which the cylinder chambers of the same cylinder are connected to one another without pressure.
  • the connection between the cylinder chambers of cylinders 75 'and 114 is separated again.
  • the swivel arm 76 'and the rotary drive 77' are then held in the centered position by the hydraulic cylinders mentioned.
  • a z. B. may be arranged as a switch trained sensor 124.
  • the centering device 130 works without contact. They consists of an infrared transmitter 131 for a highly focused beam. A funnel-shaped recess 132 is made on the front side of the nearby bridge section. Both again have the same relative position to the assigned axes of the rotary drive 77 'or the drive shaft arrangement (flange 11') as the parts 121, 123 of the mechanical centering device 120.
  • the distance values measured up to the surface of the recess 132 are passed on to a control unit installed in the laying vehicle 65', which ensures that the swivel cylinder 75 'and / or the cylinders 114 are retraced in this way that the coaxiality of the drive 77 'with the coupling flange 11' is established.
  • a control unit installed in the laying vehicle 65' which ensures that the swivel cylinder 75 'and / or the cylinders 114 are retraced in this way that the coaxiality of the drive 77 'with the coupling flange 11' is established.
  • the coupling flanges 11 of the drive shaft arrangement are provided with external toothing and the pivotable rotary drive 77 is provided with a correspondingly toothed pinion.
  • the ramp parts 80 have a base plate 81 which extends over the entire width of a lane. Below the plate 81 are box girders 82 extending in the longitudinal direction arranged. At their rear end, the ramp parts are provided with projections 83 which prevent the ramp parts 80 from slipping out of the bridge sections 2. Instead of the projections 83, tension elements (not shown) between the bridge section 2 and the ramp parts 80 can also be used. There is a scrap sheet 84 on each side of the plate 81.
  • the carriageway girder 4 has longitudinal grooves or recesses 85 corresponding to the box girders 82, in which the box girders 82 can slide.
  • the ramp parts can simply be pulled out and pushed in.
  • the bridge sections 2 are not limited to the shape shown in FIGS. 1 and 5. Rather, it is also possible to use bridge sections 102 according to FIG. 8, the lane elements of which have a bridge base body 105 with beveled end faces 106 which end at half the height of the bridge base body and at the ends of which there is an articulated connection 107, on each of which a folding ramp 108, 108 'is pivoted such that it rests on the inclined surface 106 or - folded down and firmly connected to the base body 105 by a locking arrangement 109 - forms a common ramp with the inclined surface 106.
  • the drive shaft arrangement 7, 19, 7 'indicated by a dash-dotted line with the clutch disks 11, 11' and - in the transport position - the lower flange 41, shown in simplified form with dashed lines, are accommodated in the lower half of the bridge base body 105.
  • the clutch plates 11, 11 ′ extend over the bridge section 102 in the uncoupled state Bridge base body 105 (see FIG. 8, right half).
  • each bridge element has only one threaded spindle 21, which leads to a noticeable simplification of the bridge elements.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
EP19930105207 1992-03-31 1993-03-30 Pont déplaçable et véhicule pour la pose du pont Expired - Lifetime EP0563872B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19930105207 EP0563872B1 (fr) 1992-03-31 1993-03-30 Pont déplaçable et véhicule pour la pose du pont

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP92105517 1992-03-31
EP92105517A EP0563418A1 (fr) 1992-03-31 1992-03-31 Pont déplaçable et véhicule pour la pose du pont
EP19930105207 EP0563872B1 (fr) 1992-03-31 1993-03-30 Pont déplaçable et véhicule pour la pose du pont

Publications (2)

Publication Number Publication Date
EP0563872A1 true EP0563872A1 (fr) 1993-10-06
EP0563872B1 EP0563872B1 (fr) 1996-05-29

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EP19930105207 Expired - Lifetime EP0563872B1 (fr) 1992-03-31 1993-03-30 Pont déplaçable et véhicule pour la pose du pont

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0757132A1 (fr) * 1995-08-02 1997-02-05 Constructions Industrielles De La Mediterranee- Cnim Structure de travure destinée en particulier au franchissement de brèches par des véhicules et système de transfert et de dépose d'une telle structure
US6892409B1 (en) 2004-04-27 2005-05-17 Jillian Marie Kaup Portable bridge apparatus
US7017219B2 (en) * 2003-02-25 2006-03-28 Eurobridge Mobile Bruecken Gmbh Dismountable bridge

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006042251A1 (de) * 2006-09-08 2008-03-27 General Dynamics Santa Bárbara Sistemas GmbH Brückenelement
DE102010007384B4 (de) * 2010-02-10 2016-02-04 Krauss-Maffei Wegmann Gmbh & Co. Kg Einrichtung zur Anordnung an Tragkonstruktionen, insbesondere an nicht stationären Brücken oder an Teilen derartiger Brücken

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1207948B (de) * 1962-07-14 1965-12-30 Maschf Augsburg Nuernberg Ag Zerlegbare Bruecke, insbesondere Grabenbruecke
DE2324646A1 (de) * 1973-05-16 1974-12-05 Krupp Gmbh Verfahren zum montieren einer bruecke und gemaess dem verfahren zu montierende bruecke, insbesondere zerlegbare bruecke
DE2807859A1 (de) * 1977-02-23 1978-08-31 Secr Defence Brit Brueckenversteifung
DE3814502A1 (de) * 1988-04-29 1989-11-09 Dornier Gmbh Bruecke

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1207948B (de) * 1962-07-14 1965-12-30 Maschf Augsburg Nuernberg Ag Zerlegbare Bruecke, insbesondere Grabenbruecke
DE2324646A1 (de) * 1973-05-16 1974-12-05 Krupp Gmbh Verfahren zum montieren einer bruecke und gemaess dem verfahren zu montierende bruecke, insbesondere zerlegbare bruecke
DE2807859A1 (de) * 1977-02-23 1978-08-31 Secr Defence Brit Brueckenversteifung
DE3814502A1 (de) * 1988-04-29 1989-11-09 Dornier Gmbh Bruecke

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0757132A1 (fr) * 1995-08-02 1997-02-05 Constructions Industrielles De La Mediterranee- Cnim Structure de travure destinée en particulier au franchissement de brèches par des véhicules et système de transfert et de dépose d'une telle structure
FR2737513A1 (fr) * 1995-08-02 1997-02-07 Mediterranee Const Ind Structure de travure destinee en particulier au franchissement de breches par des vehicules et systeme de transfert et de depose d'une telle structure
WO1997005333A1 (fr) * 1995-08-02 1997-02-13 Constructions Industrielles De La Mediterranee (Cnim) Structure de travure destinee en particulier au franchissement de breches par des vehicules et systeme de transfert et de depose d'une telle structure
US5862557A (en) * 1995-08-02 1999-01-26 Constructions Industrielles De La Mediterranee-Cnim Bridging span structure
US7017219B2 (en) * 2003-02-25 2006-03-28 Eurobridge Mobile Bruecken Gmbh Dismountable bridge
US6892409B1 (en) 2004-04-27 2005-05-17 Jillian Marie Kaup Portable bridge apparatus

Also Published As

Publication number Publication date
EP0563872B1 (fr) 1996-05-29

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