EP1162314A1 - Connecting device for a metal tube and a concrete beam or plate - Google Patents

Connecting device for a metal tube and a concrete beam or plate Download PDF

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Publication number
EP1162314A1
EP1162314A1 EP01401453A EP01401453A EP1162314A1 EP 1162314 A1 EP1162314 A1 EP 1162314A1 EP 01401453 A EP01401453 A EP 01401453A EP 01401453 A EP01401453 A EP 01401453A EP 1162314 A1 EP1162314 A1 EP 1162314A1
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EP
European Patent Office
Prior art keywords
tube
concrete
holes
plate
beams
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Granted
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EP01401453A
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German (de)
French (fr)
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EP1162314B1 (en
Inventor
Jean-Pierre Viallon
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Bouygues Travaux Publics SAS
VSL France
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Bouygues Travaux Publics SAS
VSL France
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Publication of EP1162314A1 publication Critical patent/EP1162314A1/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
    • 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
    • E01D2101/20—Concrete, stone or stone-like material
    • E01D2101/24—Concrete
    • E01D2101/26—Concrete reinforced
    • E01D2101/28—Concrete reinforced prestressed
    • E01D2101/285—Composite prestressed concrete-metal

Definitions

  • the invention relates to mixed steel-concrete structures comprising a lattice of metal tubes arranged diagonally between two slabs or beams in concrete, especially for the realization of an apron of bridge, roofing of a building or area, a pontoon or platform.
  • connection device which includes at each end of a lattice tube a metal plate welded to the end of the tube perpendicular to the axis of the tube, said plate being supported on the beam or the slab and having a plurality of holes with which cooperate fixing means by screwing the platinum to bars embedded in the concrete of the beam or of the slab.
  • An object of the present invention is to provide achievements of such a device, advantageous as to their ease of maintenance and particularly efficient.
  • the holes in the platinum are formed around the tube and the means of fixing which cooperate with these holes to fix the plate to bars are removable.
  • these fixing means include threaded rods that are screwed so detachable to connectors attached to the ends of bars embedded in the concrete of the beam or slab, these rods passing through the holes in the plate and having protruding on the plate ends on which are screwed nuts which are tightened on the platinum.
  • the device can be completed with removable cables that pass inside the tube, which cross the plates located at both ends of the tube as well as the beams or the slabs and which are tensioned like cables prestressing. These cables increase so considerable resistance of the system towards tensile forces without having to increase appreciably the dimensions of the device.
  • Figure 1 shows a straight metal tube cylindrical (1) to which is welded peripherally (welds), at each end, a metal plate (2) which has in plan the polygonal shape represented on the Figure 2 and which has holes (3), for example four holes, located on the outside of the tube and regularly distributed around the axis (4) of the tube.
  • the tube with its two plates is supported on two parallel faces (5) of two concrete beams (P) partially visible in Figure 1: the tube is perpendicular to these faces (4) but in reality it is oblique to the planes of the beams, as is illustrated for the example in FIG. 6.
  • a seal is interposed between the plate and the surface in concrete.
  • the device for connecting a tube to a beam is consisting, at each end of the tube, of a plurality of bars (6) which have been embedded in the concrete of the beam when it was poured and to which were attached by any suitable means, fittings (7) which are accessible in housings (8) formed in the concrete.
  • These fittings have a threaded bore in which is screwed a rod (9) which passes through a hole (3) of the plate and a nut (10) is screwed on the rod until coming into pressure on the plate, possibly with interposition of a washer (11).
  • a removable cap (12) is put in place to protect the bolt.
  • connection between a tube and a beam or slab is completed by removable cables which pass inside the tube, which cross the plates and beams and which are stretched so itself known as prestressing cables.
  • the plates (2) in addition to the holes (3) provided around the tube grip for the fixing of the plates to the bars embedded in the concrete, have holes (3 ') inside the tube for the cable passage, for example two holes diagonally opposite (Figure 5).
  • the holes (3) located outside the tube for fixing the tube to the bars (6) anchored in the concrete are evenly distributed around the tube either individually ( Figure 2), or in pairs ( Figure 5) and the holes (3 ') located inside the tube for the passage of the prestressing cables are regularly distributed between the holes (3) or between the pairs of holes (3) (figure 5).
  • Each prestressing cable goes through a sheath (13) which includes a section of sheath (13a) put in place inside the tube and sheath sections (13b) put in place in the beams and fitted at their ends in hollow metal parts (14) taken from the concrete beams.
  • the cables themselves pass through these parts and are detachably retained by means conventional, for example jaws (15) accessible to the outside of the beams.
  • the bars and their removable connections ensure resistance to ultimate limit states and cables also removable, ensuring non-decompression under fatigue stress.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

The connection for a trellis metal tube (1) and a concrete beam (P) comprises at each end of a tube a metal plate welded at the tube end perpendicularly to the tube axis. The plate is supported on the beam and has several holes (3) into which are engaged plate fixing screws (7,9,10) to bars (6) embedded in the beam concrete.

Description

L'invention concerne les structures mixtes acier-béton comportant un treillis de tubes métalliques disposés diagonalement entre deux dalles ou poutres en béton, notamment pour la réalisation d'un tablier de pont, de la couverture d'un bâtiment ou d'une aire, d'un ponton ou d'une plateforme.The invention relates to mixed steel-concrete structures comprising a lattice of metal tubes arranged diagonally between two slabs or beams in concrete, especially for the realization of an apron of bridge, roofing of a building or area, a pontoon or platform.

Elle a plus précisément pour objet les connexions du treillis avec le poutres ou dalles en béton.More specifically, it relates to the connections of the trellis with concrete beams or slabs.

On a décrit dans la publication FR 2 723 424 un dispositif de connexion qui comprend à chaque extrémité d'un tube du treillis une platine métallique soudée à l'extrémité du tube perpendiculairement à l'axe du tube, ladite platine étant en appui sur la poutre ou la dalle et présentant une pluralité de trous avec lesquels coopèrent des moyens de fixation par vissage de la platine à des barres noyées dans le béton de la poutre ou de la dalle.We have described in the publication FR 2 723 424 a connection device which includes at each end of a lattice tube a metal plate welded to the end of the tube perpendicular to the axis of the tube, said plate being supported on the beam or the slab and having a plurality of holes with which cooperate fixing means by screwing the platinum to bars embedded in the concrete of the beam or of the slab.

Un but de la présente invention est de fournir des réalisations d'un tel dispositif, avantageuses quant à leur facilité de maintenance et particulièrement performantes.An object of the present invention is to provide achievements of such a device, advantageous as to their ease of maintenance and particularly efficient.

Selon un aspect de l'invention, les trous de la platine sont formés autour du tube et les moyens de fixation qui coopèrent avec ces trous pour fixer la platine aux barres sont démontables.According to one aspect of the invention, the holes in the platinum are formed around the tube and the means of fixing which cooperate with these holes to fix the plate to bars are removable.

Dans une réalisation préférée, ces moyens de fixation comprennent des tiges filetées qui sont vissées de façon détachable à des connecteurs fixés aux extrémités des barres noyées dans le béton de la poutre ou de la dalle, ces tiges traversant les trous de la platine et présentant en saillie sur la platine des extrémités sur lesquelles sont vissés des écrous qui sont serrés sur la platine.In a preferred embodiment, these fixing means include threaded rods that are screwed so detachable to connectors attached to the ends of bars embedded in the concrete of the beam or slab, these rods passing through the holes in the plate and having protruding on the plate ends on which are screwed nuts which are tightened on the platinum.

Selon un autre aspect de l'invention, le dispositif peut être complété par des câbles démontables qui passent à l'intérieur du tube, qui traversent les platines situées aux deux extrémités du tube ainsi que les poutres ou les dalles et qui sont mis en tension comme des câbles de précontrainte. Ces câbles augmentent de façon considérable la résistance du système vis-à-vis des efforts de traction sans avoir à augmenter sensiblement les dimensions du dispositif.According to another aspect of the invention, the device can be completed with removable cables that pass inside the tube, which cross the plates located at both ends of the tube as well as the beams or the slabs and which are tensioned like cables prestressing. These cables increase so considerable resistance of the system towards tensile forces without having to increase appreciably the dimensions of the device.

On décrira ci-après des exemples non limitatifs de mise en oeuvre de l'invention, en référence aux figures du dessin joint sur lequel :

  • la figure 1 est une coupe d'un tube métallique comprimé fixé entre deux poutres en béton au moyen de dispositifs de connexion selon une première réalisation de l'invention, le plan de coupe étant le plan I-I de la figure 2 ;
  • la figure 2 est une vue en plan d'une platine du dispositif de connexion de la réalisation de la figure 1;
  • la figure 3 est une vue de détails à plus grande échelle de l'une des fixations de la platine à la poutre ;
  • la figure 4 est une coupe analogue à celle de la figure 1 mais dans le cas d'un tube tendu et précontraint;
  • la figure 5 est une vue en plan d'une platine du dispositif de connexion selon la réalisation de la figure 4 ;
  • la figure 6 est une vue d'un tube tendu, équipé de câbles de précontrainte, en situation entre deux poutres ;
  • la figure 7 est un schéma de l'extrémité d'une gaine, et
  • la figure 8 est un schéma des extrémités hautes des câbles de précontrainte d'un dispositif de connexion selon les figures 6 et 7.
Non-limiting examples of implementation of the invention will be described below, with reference to the figures in the accompanying drawing in which:
  • Figure 1 is a section of a compressed metal tube fixed between two concrete beams by means of connection devices according to a first embodiment of the invention, the section plane being the plane II of Figure 2;
  • Figure 2 is a plan view of a plate of the connection device of the embodiment of Figure 1;
  • Figure 3 is a detail view on a larger scale of one of the fasteners of the plate to the beam;
  • Figure 4 is a section similar to that of Figure 1 but in the case of a tensioned and prestressed tube;
  • Figure 5 is a plan view of a plate of the connection device according to the embodiment of Figure 4;
  • Figure 6 is a view of a stretched tube, fitted with prestressing cables, in situation between two beams;
  • FIG. 7 is a diagram of the end of a sheath, and
  • FIG. 8 is a diagram of the upper ends of the prestressing cables of a connection device according to FIGS. 6 and 7.

La figure 1 montre un tube métallique droit cylindrique (1) auquel est soudé périphériquement (soudures s), à chaque extrémité, une platine métallique (2) qui a en plan la forme polygonale représentée sur la figure 2 et qui présente des trous (3), par exemple quatre trous, situés à l'extérieur du tube et régulièrement répartis autour de l'axe (4) du tube.Figure 1 shows a straight metal tube cylindrical (1) to which is welded peripherally (welds), at each end, a metal plate (2) which has in plan the polygonal shape represented on the Figure 2 and which has holes (3), for example four holes, located on the outside of the tube and regularly distributed around the axis (4) of the tube.

Le tube avec ses deux platines est en appui sur deux faces parallèles (5) de deux poutres (P) en béton visibles partiellement sur la figure 1 : le tube est perpendiculaire à ces faces (4) mais en réalité il est oblique par rapport aux plans des poutres, comme cela est illustré pour l'exemple sur la figure 6. Eventuellement, un joint est interposé entre la platine et la surface en béton.The tube with its two plates is supported on two parallel faces (5) of two concrete beams (P) partially visible in Figure 1: the tube is perpendicular to these faces (4) but in reality it is oblique to the planes of the beams, as is illustrated for the example in FIG. 6. Optionally, a seal is interposed between the plate and the surface in concrete.

Le dispositif de connexion d'un tube à une poutre est constitué, à chaque extrémité du tube, d'une pluralité de barres (6) qui ont été noyées dans le béton de la poutre lors du coulage de celui-ci et auxquelles ont été fixés par un moyen quelconque approprié, des raccords (7) qui sont accessibles dans des logements (8) formés dans le béton. Ces raccords présentent un alésage fileté dans lequel est vissée une tige (9) qui traverse un trou (3) de la platine et un écrou (10) est vissé sur la tige jusqu'à venir en pression sur la platine, éventuellement avec interposition d'une rondelle (11). De préférence, un chapeau (12) amovible est mis en place pour protéger le boulon.The device for connecting a tube to a beam is consisting, at each end of the tube, of a plurality of bars (6) which have been embedded in the concrete of the beam when it was poured and to which were attached by any suitable means, fittings (7) which are accessible in housings (8) formed in the concrete. These fittings have a threaded bore in which is screwed a rod (9) which passes through a hole (3) of the plate and a nut (10) is screwed on the rod until coming into pressure on the plate, possibly with interposition of a washer (11). Preferably, a removable cap (12) is put in place to protect the bolt.

Eventuellement, selon une réalisation préférée de l'invention, la connexion entre un tube et une poutre ou dalle est complétée par des câbles démontables qui passent à l'intérieur du tube, qui traversent les platines et les poutres et qui sont tendus de façon en soi connue comme des câbles de précontrainte.Optionally, according to a preferred embodiment of the invention, the connection between a tube and a beam or slab is completed by removable cables which pass inside the tube, which cross the plates and beams and which are stretched so itself known as prestressing cables.

Dans ce cas (fig. 4 à 7), les platines (2) outre les trous (3) prévus autour de l'emprise du tube pour la fixation des platines aux barres noyées dans le béton, présentent à l'intérieur du tube des trous (3') pour le passage des câbles, par exemple deux trous diagonalement opposés (figure 5).In this case (fig. 4 to 7), the plates (2) in addition to the holes (3) provided around the tube grip for the fixing of the plates to the bars embedded in the concrete, have holes (3 ') inside the tube for the cable passage, for example two holes diagonally opposite (Figure 5).

De préférence, les trous (3) situés à l'extérieur du tube pour la fixation du tube aux barres (6) ancrées dans le béton sont régulièrement répartis autour du tube soit individuellement (figure 2), soit par couples (figure 5) et les trous (3') situés à l'intérieur du tube pour le passage des câbles de précontrainte sont régulièrement répartis entre les trous (3) ou entre les couples de trous (3) (figure 5).Preferably, the holes (3) located outside the tube for fixing the tube to the bars (6) anchored in the concrete are evenly distributed around the tube either individually (Figure 2), or in pairs (Figure 5) and the holes (3 ') located inside the tube for the passage of the prestressing cables are regularly distributed between the holes (3) or between the pairs of holes (3) (figure 5).

Chaque câble de précontrainte, passe dans une gaine (13) qui comprend un tronçon de gaine (13a) mise en place à l'intérieur du tube et des tronçons de gaine (13b) mis en place dans les poutres et emboítés à leurs extrémités dans des pièces métalliques creuses (14) prises dans le béton des poutres. Les câbles eux-mêmes traversent ces pièces et sont retenus de façon démontable par des moyens classiques, par exemple des mors (15) accessibles à l'extérieur des poutres.Each prestressing cable goes through a sheath (13) which includes a section of sheath (13a) put in place inside the tube and sheath sections (13b) put in place in the beams and fitted at their ends in hollow metal parts (14) taken from the concrete beams. The cables themselves pass through these parts and are detachably retained by means conventional, for example jaws (15) accessible to the outside of the beams.

On a représenté à plus grande échelle sur la figure 7, l'extrémité d'un tronçon de gaine (13b) emboítée dans une pièce métallique creuse (14) et l'on voit sur cette figure les brins d'un câble (16) qui sortent de la pièce et sont coincés dans un mors (15).We have shown on a larger scale in the figure 7, the end of a section of sheath (13b) fitted in a hollow metal part (14) and we see on this shows the strands of a cable (16) coming out of the room and are trapped in a jaw (15).

Ces brins ont été préalablement tendus au moyen de vérins, comme les vérins (17) représentés sur la figure 8, de façon en soi connue.These strands were previously stretched by means of cylinders, like the cylinders (17) shown in the figure 8, in a manner known per se.

Les barres et leurs connexions démontables assurent la résistance aux états limites ultimes et les câbles également démontables assurent la non décompression sous sollicitation de fatigue.The bars and their removable connections ensure resistance to ultimate limit states and cables also removable, ensuring non-decompression under fatigue stress.

Pour la mise en oeuvre d'un dispositif selon l'invention, équipé de câbles de précontrainte, on réalise les opérations suivantes :

  • mise en place des gaines (13a) dans le tube (1),
  • soudage au tube des platines (2) munies de leurs perçages (3,3') en sorte que les perçages (3') soient au droit des gaines,
  • mise en place dans les coffrages des poutres ou des dalles, des gaines (13b), des pièces métalliques (14) et des barres (6) avec leurs raccords (7), aux endroits appropriés ,et coulage du béton,
  • mise en place et vissage des tiges (8) sur les raccords (7) et vissage des écrous sur les tiges,
  • enfilage des câbles dans les gaines (13a,13b),
  • mise en traction de ces câbles et enlèvement des vérins.
For the implementation of a device according to the invention, equipped with prestressing cables, the following operations are carried out:
  • fitting sheaths (13a) in the tube (1),
  • tube welding of the plates (2) provided with their holes (3.3 ') so that the holes (3') are in line with the sheaths,
  • placing beams or slabs, sheaths (13b), metal parts (14) and bars (6) with their fittings (7), in the appropriate places, in the formwork, and pouring the concrete,
  • fitting and screwing the rods (8) onto the fittings (7) and screwing the nuts onto the rods,
  • threading the cables into the sheaths (13a, 13b),
  • pulling these cables and removing the cylinders.

L'invention n'est pas limitée aux réalisations qui ont été décrites.The invention is not limited to the embodiments which have been described.

Claims (9)

Dispositif de connexion d'un tube métallique (1) et d'une poutre ou dalle en béton (P), pour une structure mixte acier-béton comportant un treillis de tubes métalliques droits disposés diagonalement entre deux dalles ou poutres en béton et connectés aux poutres ou aux dalles en béton par des dispositifs de connexion qui comprennent à chaque extrémité d'un tube du treillis une platine métallique (2) soudée à l'extrémité du tube perpendiculairement à l'axe (4) du tube, ladite platine (2) étant en appui sur la poutre ou la dalle (P) et présentant une pluralité de trous (3) avec lesquels coopèrent des moyens de fixation par vissage de la platine à des barres (6) noyées dans le béton de la poutre ou de la dalle, caractérisé en ce que les trous (3) sont formés dans la platine autour du tube (1) et en ce que les moyens de fixation (7,9,10) qui coopèrent avec ces trous pour fixer la platine aux barres sont démontables. Device for connecting a metal tube (1) and a concrete beam or slab (P), for a mixed steel-concrete structure comprising a lattice of straight metal tubes arranged diagonally between two concrete slabs or beams and connected to the concrete beams or slabs by connection devices which comprise at each end of a lattice tube a metal plate (2) welded to the end of the tube perpendicular to the axis (4) of the tube, said plate (2) being supported on the beam or the slab (P) and having a plurality of holes (3) with which cooperate means for fixing by screwing the plate to bars (6) embedded in the concrete of the beam or of the slab, characterized in that the holes (3) are formed in the plate around the tube (1) and in that the fixing means (7, 9, 10) which cooperate with these holes to fix the plate to the bars are removable. Dispositif selon la revendication 1, dans lequel ces moyens de fixation comprennent des tiges filetées (9) qui sont vissées de façon détachable à des connecteurs (7) fixés aux extrémités des barres (6) noyées dans le béton de la poutre ou de la dalle, ces tiges traversant les trous (3) de la platine et présentant en saillie sur la platine des extrémités sur lesquelles sont vissés des écrous (10) qui sont serrés sur la platine (2).Device according to claim 1, in which these fixing means comprise rods threaded (9) which are detachably screwed to connectors (7) fixed to the ends of the bars (6) embedded in the concrete of the beam or slab, these rods passing through the holes (3) of the plate and having protruding on the plate ends on which are tightened with nuts (10) which are tightened on the plate (2). Dispositif selon la revendication 1, dans lequel le dispositif de connexion d'un tube à une poutre est constitué, à chaque extrémité du tube, d'une pluralité de barres (6) qui ont été noyées dans le béton de la poutre lors du coulage de celui-ci et auxquelles ont été fixés des raccords (7) qui sont accessibles dans des logements (8) formés dans le béton, ces raccords présentant un alésage fileté dans lequel est vissé une tige (9) qui traverse un trou (3) de la platine, un écrou (10) étant vissé sur la tige jusqu'à venir en pression sur la platine.Device according to claim 1, in which the device for connecting a tube to a beam consists, at each end of the tube, of a plurality of bars (6) which have been embedded in the concrete of the beam when it is poured and to which have been fixed fittings (7) which are accessible in housings (8) formed in concrete, these fittings having a threaded bore into which is screwed a rod (9) which passes through a hole (3) in the plate, a nut (10) being screwed onto the rod until it comes into pressure on the turntable. Dispositif selon l'une des revendications 1 à 3, dans lequel la connexion entre un tube et une poutre ou dalle est complétée par des câbles démontables (16) qui passent à l'intérieur du tube (1), qui traversent les platines (2) et les poutres ou dalles (P) et qui sont tendus comme des câbles de précontrainte.Device according to one of claims 1 to 3, in which the connection between a tube and a beam or slab is completed by removable cables (16) which pass inside the tube (1), which pass through the plates (2) and beams or slabs (P) and which are stretched like prestressing cables. Dispositif selon la revendication 4, dans lequel les platines (2), outre les trous (3) prévus autour de l'emprise du tube pour la fixation des platines aux barres noyées dans le béton, présentent à l'intérieur du tube des trous (3') pour le passage des câbles de précontrainte.Device according to claim 4, in which the plates (2), in addition to the holes (3) provided around the tube grip for fixing the plates bars embedded in concrete, present inside the tube of the holes (3 ') for the passage of the cables prestressing. Dispositif selon la revendication 5, dans lequel les trous (3) situés à l'extérieur du tube pour la fixation au tube des barres (6) ancrées dans le béton sont régulièrement répartis autour du tube (1) soit individuellement, soit par couples et les trous (3') situés à l'intérieur du tube pour le passage des câbles de précontrainte sont régulièrement répartis entre les trous (3) ou entre les couples de trous (3).Device according to claim 5, in which the holes (3) located outside the tube for the bars (6) anchored in concrete fixed to the tube are regularly distributed around the tube (1) either individually, either in pairs and the holes (3 ') located inside the tube for the passage of cables prestressing are regularly distributed between the holes (3) or between pairs of holes (3). Dispositif selon la revendication 4, dans lequel les câbles de précontrainte (16) passent dans des tronçons de gaines (13a) situés dans les tubes (1) et dans des tronçons de gaine (13b) situés dans les poutres ou dalles (P) et sont emboítés à leurs extrémités dans des pièces métalliques creuses (14) prises dans le béton des poutres ou dalles.Device according to claim 4, in which the prestressing cables (16) pass through sheath sections (13a) located in the tubes (1) and in sheath sections (13b) located in the beams or slabs (P) and are nested at their ends in hollow metal parts (14) caught in concrete beams or slabs. Structure comportant un treillis de tubes métalliques (1) disposés diagonalement entre deux poutres ou dalles (P) en béton, caractérisée en ce que les tubes sont connectés aux poutres ou dalles par des dispositifs selon l'une des revendications 1 à 7.Structure comprising a lattice of metal tubes (1) arranged diagonally between two concrete beams or slabs (P), characterized in that the tubes are connected to the beams or slabs by devices according to one of claims 1 to 7. Application d'une structure selon la revendication 8 à la réalisation d'un tablier de pont, d'une couverture, d'un ponton ou d'une plateforme.Application of a structure according to claim 8 to the production of a bridge deck, a cover, a pontoon or a platform.
EP20010401453 2000-06-06 2001-06-06 Connecting device for a metal tube and a concrete beam or plate Expired - Lifetime EP1162314B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0007203 2000-06-06
FR0007203A FR2809757B1 (en) 2000-06-06 2000-06-06 DEVICE FOR CONNECTING A METAL TUBE AND A CONCRETE BEAM OR SLAB, STRUCTURE INCLUDING A CONNECTED MESH AND APPLICATION OF THE STRUCTURE

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Publication Number Publication Date
EP1162314A1 true EP1162314A1 (en) 2001-12-12
EP1162314B1 EP1162314B1 (en) 2006-11-29

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EP20010401453 Expired - Lifetime EP1162314B1 (en) 2000-06-06 2001-06-06 Connecting device for a metal tube and a concrete beam or plate

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EP (1) EP1162314B1 (en)
JP (1) JP4706129B2 (en)
DE (1) DE60124816T2 (en)
ES (1) ES2275636T3 (en)
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US6722436B2 (en) 2002-01-25 2004-04-20 Precision Drilling Technology Services Group Inc. Apparatus and method for operating an internal combustion engine to reduce free oxygen contained within engine exhaust gas
CN115354889B (en) * 2022-07-20 2023-11-03 广州城建职业学院 Air football court of assembled building structure with sponge function

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FR2723424A1 (en) * 1994-08-05 1996-02-09 Bouygues Sa Device for fitting interface plate, and plate so inserted between concrete block and metal section
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US5505033A (en) * 1988-12-06 1996-04-09 501 Hitachi Metals Ltd. Column base structure and connection arrangement
FR2723424A1 (en) * 1994-08-05 1996-02-09 Bouygues Sa Device for fitting interface plate, and plate so inserted between concrete block and metal section

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1322206C (en) * 2004-03-15 2007-06-20 河海大学 Structure of reinforced concrete hoped by plastic wire mesh with fiber enhanced

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FR2809757B1 (en) 2002-08-30
DE60124816D1 (en) 2007-01-11
JP4706129B2 (en) 2011-06-22
ES2275636T3 (en) 2007-06-16
FR2809757A1 (en) 2001-12-07
JP2002054242A (en) 2002-02-20
EP1162314B1 (en) 2006-11-29
DE60124816T2 (en) 2007-10-11

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