EP0090678B1 - Device for connecting lined-up statically determined units - Google Patents

Device for connecting lined-up statically determined units Download PDF

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Publication number
EP0090678B1
EP0090678B1 EP83400303A EP83400303A EP0090678B1 EP 0090678 B1 EP0090678 B1 EP 0090678B1 EP 83400303 A EP83400303 A EP 83400303A EP 83400303 A EP83400303 A EP 83400303A EP 0090678 B1 EP0090678 B1 EP 0090678B1
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EP
European Patent Office
Prior art keywords
tie rod
girders
beams
elements
isostatic
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Expired
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EP83400303A
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German (de)
French (fr)
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EP0090678A2 (en
EP0090678A3 (en
Inventor
Pierre Guinard
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Freyssinet International STUP SA
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Freyssinet International STUP SA
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Priority to AT83400303T priority Critical patent/ATE27015T1/en
Publication of EP0090678A2 publication Critical patent/EP0090678A2/en
Publication of EP0090678A3 publication Critical patent/EP0090678A3/en
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Publication of EP0090678B1 publication Critical patent/EP0090678B1/en
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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
    • E01D19/00—Structural or constructional details of bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/43—Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members

Definitions

  • the present invention relates to a connecting device, in line, of at least two isostatic elements.
  • connection by pulling two end pieces of neighboring elements arranged in a line does not lend itself, particularly in the case of relative vertical displacements, to the continuity of the connection; moreover, the variations in distance between these ends are so great that the sliding joint devices must be complex to compensate for them.
  • DE-A-1 299 104 has also already proposed a connecting device, in line, between ends of facing isostatic elements comprising, between the upper parts thereof, at least one tensioned tie rod and, between said upper parts a member placed in a permanent precompression state at least by said tie rod.
  • the subject of the invention is a device of this type, but characterized in that the said elements being beams formed by two members connected by a core, the compressed member is a tubular cylinder filled with concrete, freely traversed by the tie rod and pressed against the lateral appendages of the beams by means of stacks formed of sheets and alternating layers of elastomer.
  • each span working independently of the other two, can be calculated separately.
  • the joint F which separates two consecutive spans can vary in width (under the effect of loads and expansions) as well as in elevation between its opposite edges.
  • the tie rods G keep the struts H interposed between the beam ends in a state of permanent compression.
  • this strut maintains practically constant the width of the joint F which, in this way, is easy to bridge with a flexible joint.
  • this device placed at the top of the beam ends, makes it possible to vary the angle formed by the facing faces of the beam ends, which is easily compensated for by a slight longitudinal bending of the device bridging the joint. , and by the displacement of the lower parts of the beams on their supports.
  • the beams 1 1 , 1 2 , 1 3 of the same span are connected, transversely, near their ends, by a transverse beam or spacer 2 which serves to support the connecting devices 4 detailed in FIGS. 3 and 4.
  • the transverse beams 2 1 and 2 2 ( Figure 3), respectively connecting the beams 1 a and 1 b of two adjacent spans, are connected by tie rods 5 each formed by a steel bar threaded at its ends.
  • the nuts 6, of the ball-and-socket type, are supported on the conical flares 7a of support blocks 7.
  • These tie rods pass through the tubes 8 which are engaged in the boreholes 9 formed in the beams 2 1 and 2 2 which allow the passage of said tie rods.
  • O-rings 10 housed in the boreholes 9 provide a certain freedom to the tubes 8 and the sealing of the passage channel of the tie rod.
  • the tie rod 5 keeps the concrete 11 contained in a tubular cylinder formed by the concentric tubes 12 and 13 in a state of permanent compression. They are closed at their ends by the annular plates 14.
  • the support blocks 7 can be mixed and consist of a metal plate (7b) and a concrete body. These blocks 7 are pressed against the beams 2 1 and 2 2 by means of seals 28, improving the conjugation of the bearing faces and preventing the penetration of water into the tubular elements.
  • the end of the tie rod may be capped with a cap 18 fixed against the metal part of the block 7.
  • a linear flexible joint 20 can be forced between the facing beam ends; it can serve as a support for a plastic substance 21 for filling the joint.
  • the joint is covered by the sealing layer 23 which covers the running surface of the beams and the whole is coated by the wear layer 24.
  • This variation is even smaller than the pre-stressed assembly constituted by the tie rod and the tubular cylinder compressed to a length such that it can compensate, without varying the length, the stresses which tend to vary the distance between the ends of the two beams.
  • a slight variation in the alignment of the plane of the webs can be compensated for by the annular stacks of sheets and elastomer layers and by the clearance which the coaxial tubes 8 and 13 provide and the freedom of the tie rod 5 in the tube. 8.
  • the angle formed by the facing faces of the transverse beams may vary with the passage of rolling loads over the structure.
  • the invention applies to all works, and in particular to bridges formed by independent spans.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Bridges Or Land Bridges (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Connection Of Plates (AREA)
  • Communication Control (AREA)
  • Hardware Redundancy (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)

Abstract

The invention relates to a device for connecting aligned butt ends of isostatic elements (generally girders) of a constructive work. Between the crosspieces connecting the opposite girder butt ends there is disposed at least one tubular cylinder prestressed by clamping screws and by a coaxial tensioned tie rod whose ends bear on the outer faces of the crosspieces. The invention is more particularly applicable to bridges formed by independent isostatic girders.

Description

La présente invention concerne un dispositif de liaison, en file, d'au moins deux éléments isostatiques.The present invention relates to a connecting device, in line, of at least two isostatic elements.

On sait que, pour réaliser des ouvrages à grande portée avec appuis intermédiaires, il est souvent préférable de mettre en oeuvre plusieurs éléments isostatiques ou poutres reposant en file, chacune sur deux appuis, plutôt qu'une poutre continue nécessitant un alignement rigoureux de tous les appuis et un renforcement au droit de chacun des appuis intermédiaires. En outre, le site et le profil en long de l'ouvrage excluent souvent la mise en oeuvre de poutres continues. En revanche, chacune des travées indépendantes de l'ouvrage, notamment d'un pont, se comporte alors individuellement, en ce qui concerne particulièrement les dilatations, les déformations (pour causes internes ou externes) de sorte que des dispositifs de raccordement particuliers sont nécessaires au droit des appuis intermédiaires.We know that, to achieve large span structures with intermediate supports, it is often preferable to use several isostatic elements or beams resting in line, each on two supports, rather than a continuous beam requiring rigorous alignment of all support and reinforcement to the right of each of the intermediate supports. In addition, the site and the longitudinal profile of the structure often exclude the use of continuous beams. On the other hand, each of the independent spans of the structure, in particular of a bridge, then behaves individually, as regards particularly the expansions, the deformations (for internal or external causes) so that particular connection devices are necessary to the law of intermediate supports.

Afin de réduire ces inconvénients, on a déjà proposé, pour deux travées reposant individuellement sur un même appui double, de relier entre eux leurs abouts au moyen de tirants tendus et d'un joint glissant constitué par une surface de pontage des deux abouts raccordés.In order to reduce these drawbacks, it has already been proposed, for two spans individually resting on the same double support, to connect their ends together by means of tensioned tie rods and a sliding joint constituted by a bridging surface of the two connected ends.

Cette réalisation se révèle à l'usage peu satisfaisante ; d'une part, la liaison par tirant de deux abouts d'éléments voisins disposés en file se prête mal, notamment en cas de déplacements verticaux relatifs, à la continuité de la liaison ; en outre, les variations de distance entre ces abouts sont si grandes que les dispositifs de joint glissant doivent être complexes pour les compenser.This realization turns out to be unsatisfactory in use; on the one hand, the connection by pulling two end pieces of neighboring elements arranged in a line does not lend itself, particularly in the case of relative vertical displacements, to the continuity of the connection; moreover, the variations in distance between these ends are so great that the sliding joint devices must be complex to compensate for them.

On a également déjà proposé, dans DE-A-1 299 104 un dispositif de liaison, en file, entre abouts d'éléments isostatiques en regard comprenant, entre les parties supérieures de ceux-ci, au moins un tirant tendu et, entre lesdites parties supérieures un organe mis en état de précompression permanent au moins par ledit tirant.DE-A-1 299 104 has also already proposed a connecting device, in line, between ends of facing isostatic elements comprising, between the upper parts thereof, at least one tensioned tie rod and, between said upper parts a member placed in a permanent precompression state at least by said tie rod.

L'invention a pour objet un dispositif de ce type, mais caractérisé par le fait que lesdits éléments étant des poutres formées de deux membrures reliées par une âme, l'organe comprimé est un cylindre tubulaire rempli de béton, traversé librement par le tirant et appuyé contre des appendices latéraux des poutres par l'intermédiaire d'empilements formés de tôles et de couches d'élastomère alternées.The subject of the invention is a device of this type, but characterized in that the said elements being beams formed by two members connected by a core, the compressed member is a tubular cylinder filled with concrete, freely traversed by the tie rod and pressed against the lateral appendages of the beams by means of stacks formed of sheets and alternating layers of elastomer.

Grâce à l'invention, c'est-à-dire à la nature des joints par l'intermédiaire desquels l'élément composite de liaison prend appui contre les abouts de travée qu'ils relient, joints qui permettent une rotation relative des éléments reliés tout déséquilibre transversal momentané, affectant une travée de l'ouvrage. n'affecte sensiblement pas, par effet de torsion. les travées encadrantes.Thanks to the invention, that is to say to the nature of the joints by means of which the composite connecting element bears against the span ends which they connect, joints which allow relative rotation of the connected elements any momentary transverse imbalance, affecting a span of the structure. does not significantly affect, by twisting effect. the framing spans.

Le dessin annexé joint à la description afférente fera bien comprendre comment l'invention peut être mise en oeuvre.

  • La figure 1 montre en élévation un pont formé de trois travées indépendantes, réalisé selon l'invention.
  • La figure 2 est une coupe sensiblement par 11-Il de la figure 1 d'un pont, suivant une variante de réalisation.
  • La figure 3 est, en coupe axiale, un dispositif de liaison entre deux poutres.
  • La figure 4 est une vue agrandie d'une extrémité de la figure 3.
The attached drawing attached to the accompanying description will make it clear how the invention can be implemented.
  • Figure 1 shows in elevation a bridge formed by three independent spans, produced according to the invention.
  • Figure 2 is a section substantially through 11-Il of Figure 1 of a bridge, according to an alternative embodiment.
  • Figure 3 is, in axial section, a connecting device between two beams.
  • FIG. 4 is an enlarged view of one end of FIG. 3.

Sur la figure 1, entre les culées A et B, sont édifiées deux piles C1 et C2, l'ensemble supportant trois travées de pont D1, D2 et D3. Ces travées sont indépendantes et reposent à chacune de leurs extrémités sur un appui E, aménagé pour en permettre les variations de longueur (de préférence des appuis en élastomère fretté).In Figure 1, between the abutments A and B, two piers C1 and C2 are built, the assembly supporting three bridge spans D1, D2 and D3. These spans are independent and rest at each of their ends on a support E, arranged to allow variations in length (preferably supports in hooped elastomer).

Chaque travée, travaillant indépendamment des deux autres, peut être calculée séparément. Cependant, dans ces conditions d'indépendance, le joint F qui sépare deux travées consécutives peut varier en largeur (sous l'effet des charges et des dilatations) ainsi qu'en dénivelée entre ses bords en regard.Each span, working independently of the other two, can be calculated separately. However, under these conditions of independence, the joint F which separates two consecutive spans can vary in width (under the effect of loads and expansions) as well as in elevation between its opposite edges.

On a déjà proposé, pour mieux associer entre elles des travées indépendantes successives, de les lier par des tirants tendus tels que schématisés en G au droit de la pile C1, sur la figure 1 et, en outre, de ponter le joint par des éléments glissants sur les abouts de poutres, ce qui entraînait des variations importantes de largeur du joint et de niveau entre ses bords.It has already been proposed, in order to better combine successive independent spans, to link them by tensioned tie rods as shown diagrammatically in G to the right of the pile C1, in FIG. 1 and, moreover, to bridge the joint by elements sliding on the ends of beams, which led to significant variations in the width of the joint and the level between its edges.

Sous forme simplifiée selon l'invention, les tirants G (pile C2) maintiennent en état de compression permanente les butons H interposés entre les abouts de poutres.In simplified form according to the invention, the tie rods G (stack C2) keep the struts H interposed between the beam ends in a state of permanent compression.

Ainsi, ce buton maintient pratiquement constante la largeur du joint F qui, de la sorte, est facile à ponter avec un joint souple.Thus, this strut maintains practically constant the width of the joint F which, in this way, is easy to bridge with a flexible joint.

Cependant, ce dispositif, disposé à la partie supérieure des abouts de poutre, rend possible une certaine variation de l'angle formé par les faces en regard des abouts de poutres, ce qui est aisément compensé par une légère flexion longitudinale du dispositif pontant le joint, et par le déplacement des parties inférieures des poutres sur leurs appuis.However, this device, placed at the top of the beam ends, makes it possible to vary the angle formed by the facing faces of the beam ends, which is easily compensated for by a slight longitudinal bending of the device bridging the joint. , and by the displacement of the lower parts of the beams on their supports.

Les figures suivantes montrent une réalisation pratique de l'invention.The following figures show a practical embodiment of the invention.

Les poutres 11, 12, 13 d'une même travée sont reliées, transversalement, près de leurs extrémités, par une poutre transversale ou entretoise 2 qui sert d'appui aux dispositifs de liaison 4 détaillés sur les figures 3 et 4.The beams 1 1 , 1 2 , 1 3 of the same span are connected, transversely, near their ends, by a transverse beam or spacer 2 which serves to support the connecting devices 4 detailed in FIGS. 3 and 4.

Les poutres transversales 21 et 22 (figure 3), reliant respectivement les poutres 1 a et 1b de deux travées adjacentes, sont reliées par les tirants 5 formés chacun d'une barre d'acier filetée à ses extrémités. Les écrous 6, du type à rotule, sont appuyés sur les évasements coniques 7a de blocs d'appui 7. Ces tirants traversent les tubes 8 qui sont engagés dans les forages 9 ménagés dans les poutres 21 et 22 qui permettent le passage desdits tirants. Des joints toriques 10 logés dans les forages 9 assurent une certaine liberté aux tubes 8 et l'étanchéité du canal de passage du tirant.The transverse beams 2 1 and 2 2 (Figure 3), respectively connecting the beams 1 a and 1 b of two adjacent spans, are connected by tie rods 5 each formed by a steel bar threaded at its ends. The nuts 6, of the ball-and-socket type, are supported on the conical flares 7a of support blocks 7. These tie rods pass through the tubes 8 which are engaged in the boreholes 9 formed in the beams 2 1 and 2 2 which allow the passage of said tie rods. O-rings 10 housed in the boreholes 9 provide a certain freedom to the tubes 8 and the sealing of the passage channel of the tie rod.

Entre les poutres 21 et 22, le tirant 5 maintient en état de compression permanente le béton 11 contenu dans un cylindre tubulaire formé par les tubes concentriques 12 et 13 fermés à leurs extrémités par les plaques annulaires 14.Between the beams 2 1 and 2 2 , the tie rod 5 keeps the concrete 11 contained in a tubular cylinder formed by the concentric tubes 12 and 13 in a state of permanent compression. They are closed at their ends by the annular plates 14.

Contre les faces externes des plaques 14, sont appliqués les empilements de tôles 16 et de couches d'élastomère 17 vulcanisées contre ces tôles.Against the external faces of the plates 14, the stacks of sheets 16 and of layers of elastomer 17 vulcanized against these sheets are applied.

L'ensemble du cylindre creux et des empilements est enserré entre deux plaques épaisses 15 que traversent, dans des trous taraudés, les goujons filetés 25 dont l'extrémité est appuyée contre les faces en regard des entretoises 2 par l'intermédiaire des plaques 26. Ainsi, le serrage des goujons 25 place en état de compression le béton 11 enfermé dans les cylindres 11 et les empilements 16, 17. Pour conserver cet état de compression, un bourrage de béton maté 27 est introduit entre les plaques 15 et 26.The assembly of the hollow cylinder and of the stacks is enclosed between two thick plates 15 which the threaded studs 25 pass through in tapped holes, the end of which is pressed against the opposite faces of the spacers 2 by means of the plates 26. Thus, the tightening of the studs 25 places the concrete 11 enclosed in the cylinders 11 and the stacks 16, 17 in a state of compression. To keep this state of compression, a packing of mat concrete 27 is introduced between the plates 15 and 26.

Cette compression préalable réduit l'effort nécessaire à la mise en compression définitive par le tirant 5, réduit aussi les efforts appliqués aux travées 1a et 1b dans le sens du rapprochement par ces tirants 5, enfin conserve la continuité de la transmission des efforts d'une travée à l'autre en cas de tendance à l'écartement de celles-ci. Comme représenté, les blocs d'appui 7 peuvent être mixtes et constitués d'une plaque métallique (7b) et d'un corps en béton. Ces blocs 7 sont appuyés contre les poutres 21 et 22 par l'intermédiaire de joints 28, améliorant la conjugaison des faces d'appui et empêchant la pénétration de l'eau dans les éléments tubulaires. En outre, à cette même fin, l'extrémité du tirant peut être coiffée d'un chapeau 18 fixé contre la partie métallique du bloc 7.This prior compression reduces the effort necessary for the final compression by the tie rod 5, also reduces the forces applied to the spans 1a and 1b in the direction of approximation by these tie rods 5, finally preserves the continuity of the transmission of the forces d '' one span to another if there is a tendency to spread them. As shown, the support blocks 7 can be mixed and consist of a metal plate (7b) and a concrete body. These blocks 7 are pressed against the beams 2 1 and 2 2 by means of seals 28, improving the conjugation of the bearing faces and preventing the penetration of water into the tubular elements. In addition, for this same purpose, the end of the tie rod may be capped with a cap 18 fixed against the metal part of the block 7.

Enfin, un joint souple linéaire 20 peut être forcé entre les abouts de poutre en regard ; il peut servir de support à une substance plastique 21 de remplissage du joint. Le joint est couvert par la couche d'étanchéité 23 qui couvre la surface de roulement des poutres et le tout est revêtu par la couche d'usure 24.Finally, a linear flexible joint 20 can be forced between the facing beam ends; it can serve as a support for a plastic substance 21 for filling the joint. The joint is covered by the sealing layer 23 which covers the running surface of the beams and the whole is coated by the wear layer 24.

Les variations d'état de contrainte des poutres au passage des charges entraînent à la fois des variations de l'état de tension des tirants et de compression des cylindres tubulaires, variations qui tendent à se compenser de sorte que la distance entre les parties supérieures d'abouts de poutres en regard varie très peu.The variations in the state of stress of the beams when the loads pass cause both variations in the tension state of the tie rods and in the compression of the tubular cylinders, variations which tend to compensate each other so that the distance between the upper parts d '' of facing beams varies very little.

Cette variation est d'autant plus faible que l'ensemble précontraint constitué par le tirant et le cylindre tubulaire comprimé à une longueur telle qu'elle peut compenser, sans varier sensiblement de longueur, les sollicitations qui tendent à faire varier la distance entre les abouts des deux poutres. En outre, une légère variation de l'alignement du plan des âmes peut être compensée par les empilements annulaires de tôles et de couches d'élastomère et par le jeu que ménagent les tubes coaxiaux 8 et 13 et la liberté du tirant 5 dans le tube 8.This variation is even smaller than the pre-stressed assembly constituted by the tie rod and the tubular cylinder compressed to a length such that it can compensate, without varying the length, the stresses which tend to vary the distance between the ends of the two beams. In addition, a slight variation in the alignment of the plane of the webs can be compensated for by the annular stacks of sheets and elastomer layers and by the clearance which the coaxial tubes 8 and 13 provide and the freedom of the tie rod 5 in the tube. 8.

L'invariabilité pratique de la distance entre les parties supérieures des abouts de poutres entraîne un déplacement possible de leurs parties inférieures, lequel est permis par les dispositifs de support des poutres sur leurs appuis. Ainsi, l'angle que forment les faces en regard des poutres transversales est susceptible de varier au passage de charges roulants sur l'ouvrage.The practical invariability of the distance between the upper parts of the beam ends leads to a possible displacement of their lower parts, which is allowed by the beam support devices on their supports. Thus, the angle formed by the facing faces of the transverse beams may vary with the passage of rolling loads over the structure.

On réalise ainsi entre travées successives isostatiques d'un ouvrage d'art une liaison par butons articulés et précomprimés qui simplifie considérablement la réalisation des joints de roulement entre ces travées.One thus achieves between successive isostatic spans of a work of art a connection by articulated and precompressed struts which considerably simplifies the production of rolling joints between these spans.

L'invention s'applique à tous les ouvrages, et notamment aux ponts formés de travées indépendantes.The invention applies to all works, and in particular to bridges formed by independent spans.

Claims (3)

1. Device for connecting, in line, opposite butt ends of isostatic elements frame (1 a, 1 b) comprising, between the upper parts thereof, at least one tensioned tie rod (5) and a member (4, 11) brought into a state of permanent pre-compression at least by said tie rod (1a. 1b) characterized in that said elements being girders (1a. 1 b) formed by two flanges connected by a web, the compressed member is a tubular cylinder (4) filled with concrete (11), through which, freely passes the tie rod (5) and bearing against lateral appendices (2,. 22) of the girders (1a. 1 b) via stacks formed by alternate metal sheets (16) and layers (17) of elastomer.
2. Device according to claim 1, characterized in that the assembly of the tubular cylinder (4) and the stacks (16, 17) is compressed between two plates (15) abutting against said appendices (21, 22) via clamping pins (25) which pass therethrough in tappings.
3. Device according to claim 2, characterized in that the space between each plate (15) and the opposite face of the appendix (21, 22) is packed with concrete (27).
EP83400303A 1982-02-24 1983-02-14 Device for connecting lined-up statically determined units Expired EP0090678B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83400303T ATE27015T1 (en) 1982-02-24 1983-02-14 DEVICE FOR CONNECTING STATIC ELEMENTS ARRANGED IN A LINE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8203030 1982-02-24
FR8203030A FR2522046B1 (en) 1982-02-24 1982-02-24 DEVICE FOR CONNECTING ISOSTATIC ELEMENTS IN A LINE

Publications (3)

Publication Number Publication Date
EP0090678A2 EP0090678A2 (en) 1983-10-05
EP0090678A3 EP0090678A3 (en) 1984-05-09
EP0090678B1 true EP0090678B1 (en) 1987-05-06

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US (1) US4509305A (en)
EP (1) EP0090678B1 (en)
JP (1) JPS58199905A (en)
AT (1) ATE27015T1 (en)
BR (1) BR8300804A (en)
DE (1) DE3371376D1 (en)
FR (1) FR2522046B1 (en)

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FR2861103B1 (en) * 2003-10-16 2006-01-13 Gtm France ANTI-LIFTING AND HOLDING DEVICE OF ART WORK ELEMENTS
JP3841797B2 (en) * 2004-04-19 2006-11-01 川崎重工業株式会社 Road bridge continuous construction method
KR100950715B1 (en) * 2009-10-26 2010-03-31 (주)대우건설 Method for constructing precast coping for bridge
JP4728453B1 (en) * 2011-01-25 2011-07-20 朝日エンヂニヤリング株式会社 Main girder continuous structure
JP6177589B2 (en) * 2013-05-30 2017-08-09 東京製綱株式会社 Fall bridge prevention device
JP2016084599A (en) * 2014-10-24 2016-05-19 前田建設工業株式会社 Method and device for connecting buildings
JP2016084643A (en) * 2014-10-28 2016-05-19 前田建設工業株式会社 Connection structure for beam of building
CN116733152B (en) * 2023-05-11 2024-01-02 深圳市特区建工科工集团盛腾科技有限公司 Prefabricated prestressing force double-T board with side direction adjustment mechanism

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DE1299104C2 (en) * 1966-10-18 1973-11-22 Philipp Dipl Ing Articulated connection for building and bridge construction
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Also Published As

Publication number Publication date
FR2522046A1 (en) 1983-08-26
JPS58199905A (en) 1983-11-21
US4509305A (en) 1985-04-09
JPH0256443B2 (en) 1990-11-30
EP0090678A2 (en) 1983-10-05
DE3371376D1 (en) 1987-06-11
ATE27015T1 (en) 1987-05-15
BR8300804A (en) 1983-11-16
FR2522046B1 (en) 1987-02-20
EP0090678A3 (en) 1984-05-09

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