EP1065316A1 - Structure de pont ou de passerelle mixte béton-acier, en particulier de pont à tablier bipoutre mixte sous chaussée - Google Patents
Structure de pont ou de passerelle mixte béton-acier, en particulier de pont à tablier bipoutre mixte sous chaussée Download PDFInfo
- Publication number
- EP1065316A1 EP1065316A1 EP00401844A EP00401844A EP1065316A1 EP 1065316 A1 EP1065316 A1 EP 1065316A1 EP 00401844 A EP00401844 A EP 00401844A EP 00401844 A EP00401844 A EP 00401844A EP 1065316 A1 EP1065316 A1 EP 1065316A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- beams
- support
- structure according
- bridge structure
- slab
- 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
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 239000011230 binding agent Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000004574 high-performance concrete Substances 0.000 claims abstract description 4
- 230000007797 corrosion Effects 0.000 claims abstract description 3
- 238000005260 corrosion Methods 0.000 claims abstract description 3
- 230000002787 reinforcement Effects 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 239000011398 Portland cement Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 229910000746 Structural steel Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 6
- 206010016256 fatigue Diseases 0.000 description 5
- 239000011324 bead Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 230000000284 resting effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- DCCRHRRPKQISNG-ZIIYPAMZSA-N (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-[(7-methoxy-1-methyl-9H-pyrido[3,4-b]indol-8-yl)oxy]oxane-3,4,5-triol Chemical compound COC1=CC=C2C3=CC=NC(C)=C3NC2=C1O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O DCCRHRRPKQISNG-ZIIYPAMZSA-N 0.000 description 1
- DCCRHRRPKQISNG-UHFFFAOYSA-N Ruine Natural products COC1=CC=C2C3=CC=NC(C)=C3NC2=C1OC1OC(CO)C(O)C(O)C1O DCCRHRRPKQISNG-UHFFFAOYSA-N 0.000 description 1
- 241001080024 Telles Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- NBNTWDUNCHRWMT-UHFFFAOYSA-N bis(4-chlorophenyl)-pyridin-3-ylmethanol Chemical compound C=1C=C(Cl)C=CC=1C(C=1C=NC=CC=1)(O)C1=CC=C(Cl)C=C1 NBNTWDUNCHRWMT-UHFFFAOYSA-N 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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
- E01D2/02—Bridges characterised by the cross-section of their bearing spanning structure of the I-girder type
-
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- 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 the technical field of bridges or walkways to metal frame.
- Metal bridges most generally include a cover, a framework and a load-bearing system, the cover being the part of the deck that receives operating costs directly and transmits them to the carrier system, via possibly the metal framework conventionally formed by a network longitudinal (beams) and transverse (bridge parts) beams.
- the bearing system is frequently formed by two main beams connected by spacers and provided with stiffeners.
- Recent roofs are generally formed by orthotropic tiles or mixed slabs or reinforced concrete slabs sometimes with a transverse prestress.
- Orthotropic slabs are generally formed from a continuous sheet called sheet of decking or rolling plate more than ten millimeters of stiffened thickness in two perpendicular directions, by transverse bridge pieces and by equidistant longitudinal stiffeners called ribs.
- Orthotropic tiles have certain disadvantages.
- Mixed slabs include a continuous sheet connected to a slab of concrete, this sheet forming the lower reinforcement of the slab.
- the connectors used are most often vertical studs welded to the gun connected at the head by shooting steels.
- Reinforced concrete slabs, sometimes with transverse prestressing are associated with steel by different connectors, so as to ensure transmission efforts of the framework and a certain transverse rigidity.
- the most common connectors are angles or vertical studs.
- Bridges whose supporting system consists of metal beams and whose the cover is a reinforced concrete slab are called composite bridges.
- the invention relates more particularly to such bridges or walkways.
- the slab can sometimes rest directly on the main beams braced by triangulated beams for example, the spacers can be removed when the span of the bridge is small.
- the slab of mixed bridges can in other cases be in longitudinal support on the main beams and in transverse support on the bridge parts.
- the slab of mixed bridges can in other cases be supported on the beams main only, these beams then being braced.
- spans for mixed bridges is from 30 to 110m approximately for continuous spans and approximately 25 to 90m for spans independent.
- the invention relates more particularly to twin-girder composite bridges.
- the beams are most often with a solid core, the core and the soles being assembled by four angle weld beads.
- the invention relates to a double girder composite bridge structure, in particular but not exclusively of twin-girder composite bridges with beams under the roadway, not having the drawbacks of bridges of this type known in the art prior.
- the invention reveals a simple structure of a double girder composite bridge. resistant to side impact by oversized convoys for example, this structure further avoiding the use of gussets and spacers, construction of the said bridge not otherwise necessitating the stopping of traffic on the tracks crossed by the bridge.
- the invention relates, according to a first aspect, to a bridge structure or of a concrete-steel gangway, comprising at least one support beam in steel of the concrete cover slab, said support beam comprising a internal cavity filled with a binder.
- the support beam is completely closed except for its ends.
- the bridge structure comprises two beams placed under pavement.
- the bridge structure comprises two beams placed laterally above the roadway.
- Each support beam can be provided with internal reinforcement.
- Each support beam can be produced by longitudinal welding of at least two elementary beams.
- each support beam is developed by welding of two H-shaped beams so that the support beams have two soles substantially opposite one another and parallel between them, connected by two core walls substantially perpendicular to the soles and facing each other.
- each support beam is made of high-limit steel elastic and is filled with a hydraulic binder such as concrete, for example concrete high performance.
- Support beams are assembled to the cover slab by studs placed in reservations of said slab, a support piece being placed in a reservation of the cover slab, between the upper sole of each support beam and said slab, this support piece being provided with a projection projecting against said upper sole.
- a bridge deck of which only half is shown in cross section in this figure 1 - the other half being symmetrical with the first half shown - includes a concrete slab 1, covering, resting on two beams 2.
- the second half of the bridge is not symmetrical to the first, and / or the concrete slab 1 rests on more than two beams 2, for example three beams 2.
- the section plane of Figure 1 is defined by a first direction D1 substantially horizontal called transverse and a second direction D2 substantially vertical.
- a third direction D3 forms with the other two directions a trihedron, this third direction being said to be longitudinal.
- top top
- height top
- thickness thickness
- the deck is supported by two beams 2 placed under the floor.
- the deck is not supported only by a single longitudinal beam, or on the contrary by more than two beams longitudinal.
- the two beams are placed laterally above the roadway.
- the cover slab 1 is of variable thickness, in the embodiment represented: starting from a longitudinal longitudinal edge of this slab and going towards the center of this, the thickness increases, reaches a maximum value plumb of each beam 2 then decreases then remains constant over a certain width of the slab.
- a central thickness of cover slab of 20cm, for a center distance E of beams of 4.5m and side cantilevers 3 of about 2m can be obtained by an embodiment in accordance with Figure 1.
- An apron width of 8m approximately is thus obtained.
- the thickness of the slab is substantially constant over its entire width.
- the slab can be made of concrete conventional.
- the slab is made of high performance concrete, its mechanical resistance in compression at 28 days being for example greater than 80MPa.
- the slab can be prestressed longitudinally, in particular when the apron is very wide.
- Mono strands of the order of 150KN tension useful arranged with a pitch of 30cm can for example be used, the active anchors being placed alternately on one side and the other of the slab.
- the cover slab 1 supports, in addition to the road surface of pavement 5, longitudinal passages on the banks of cables 6 of different diameters for telephone, electrical and other.
- a border 7 separates the roadway 5 from the sidewalks 8 under which are placed the cable passages 6.
- a single sidewalk is provided and / or a only one of the two sidewalks is placed above cable passages.
- a bodyguard 9 is placed at the side edge of the sidewalk (s) 8.
- a facing 10 is secured to the longitudinal side faces of the deck.
- Each beam 2 has a core filled with a rigid material based on a binder hydraulic 11, called “binder”, or any other material having mechanical characteristics comparable to those of such a binder 11.
- This binder can be chosen from the group comprising concretes based on Portland cements, blast furnace cements, pozzolanic cements, aluminous cements, high performance concretes, concrete based on resin, fiber concretes and their equivalents.
- binder 11 depends among other things on the dimensions and efforts to be taken into account for the beams 2.
- each beam 2 comprises two substantially opposite and horizontal flanges 12, of thickness e 12 greater than the width I 13 of the two substantially vertical walls 13 and opposite these two flanges 12.
- Beams can be formed by assembling two H-sections, by example HE 800A, welded together by weld beads longitudinal.
- the beams have sections transverse polygonal, and in particular hexagonal.
- the two walls of cores 13 are pleated regularly or not.
- the materials used to make the beams 2 can be chosen among the group comprising general purpose structural steels (and especially those mentioned in standard EN-10-025), high-strength steels elastic limit (and in particular those defined by standard EN-10-113), steels of structures with improved resistance to atmospheric corrosion and their equivalent.
- the webs of beams and the flanges are formed by a single steel.
- the cores are made of a material different from that of the soles (for example, a steel with high elastic limit for soles and general purpose structural steel for cores).
- the beams 2 can be provided with an internal reinforcement, the fixing of the stirrups, frames and reinforcement of this reinforcement which may be at least partly internal to beam 2 so as not to affect its visual appearance.
- This internal reinforcement is optional, it is not necessary to secure the various welded parts of the beam 2.
- the Internal reinforcement is also not necessarily connected to beam 2.
- the filling of a beam 2 with the binder 11 is generally carried out on the site by one of the ends of said beam 2, hereinafter called the end of filling.
- a vent is provided in said beam 2, this vent being preferably located in height, especially if the profile of the beam 2 is curved.
- the beams 2 it is therefore not necessary for the beams 2 to have holes for filling on their upper surface.
- the presence of such holes leads in general to a weakening of the metal section, especially in the provisional phase, when the beams are not yet filled with binder. Sizing of the beam section must take this weakening into account.
- the invention thus solves this problem, the absence of holes also reducing the cost of manufacturing the beams.
- filling control orifices can be made on the beams 2, these holes in no case serving to fill said beams 2, and can therefore be small.
- the filling of these beams can be partial, the role of the binder being mainly to avoid local phenomena of local wall buckling of souls, also called blistering.
- the width of the soles 12 was 60 cm, the height of the beams of 79cm, the beams filled with concrete being formed by assembling two sections of the type HE 800A welded.
- the beams 2 are in the embodiment shown fixed to the slab of cover 1 by studs 14 such as Nelson studs.
- a support piece forming renformis 16 or equivalent is provided in a reservation located on the underside of slab 1, in line with the sole top of each beam 2.
- This support piece has a substantially horizontal lower face 17, at the exception of its central part provided with a projection 18 bearing against the upper sole of the beam 2 placed opposite.
- Two seals 19 are placed laterally between the underside 17 of the part support 16 and the upper flange of each beam 2.
- a binder, not shown, poured into the reservations 15 of the slab allows assembling the beams 2 to this cover slab 1.
- Two studs or four studs can be provided depending on the loads of scheduled service.
- the bridge structure obtained does not require any reinforcing strut connecting the support beams below and at a distance from the cover slab nor therefore ipso facto no reinforcement gusset between spacer and support beams, unlike twin girder composite bridge structures known in the art prior.
- Filling steel beams with a binder greatly improves stability of these beams in large deformations, in particular during impacts by oversized convoys.
Abstract
Description
- l'excellent rapport poids/ performance du matériau acier ;
- la rapidité d'exécution.
- les bipoutres mixtes qui comme leur nom l'indique comprennent deux
poutres reliées le plus souvent :
- par des pièces de pont pour l'appui transversal de la dalle ;
- par des entretoises soudées perpendiculairement et à mi-hauteur des poutres, pour des tabliers relativement étroits ;
- les ponts mixtes à caisson :
- avec dalle en béton en appui sur les parois du caisson et sur des éléments transversaux éventuels ;
- avec dalle mixte telle que présentée ci dessus, à caisson unique ou multicaissons.
- leur sensibilité aux instabilités de forme, par déformation inhabituelle par rapport à celles qui peuvent être prévues par la résistance des matériaux classique. En particulier, les chocs liés par exemple au passage d'un convoi hors gabarit conduisent à une plasticité en grandes déformations, difficilement prévisible par calcul. De tels chocs, s'ils n'entraínent pas toujours la ruine de l'ouvrage, provoquent des dégâts difficiles à réparer sans travaux de grande envergure ;
- leur sensibilité à la fatigue, en dépit des normes strictes en vigueur (Eurocodes) ne peut être négligée et ce d'autant que, le plus souvent, des amorces de fissures existent dès la construction de l'ouvrage, par non-pénétration des soudures d'angle par exemple.
- la figure 1 est une vue en coupe transversale partielle d'une structure de pont mixte bipoutre à poutres sous chaussée, selon un mode de réalisation de l'invention ;
- la figure 2 est une vue de détail d'un mode de réalisation des connecteurs de liaison entre poutre et dalle de couverture ;
- la figure 3 est une vue analogue à la figure 2 d'un autre mode de réalisation desdits connecteurs.
Claims (15)
- Structure de pont ou de passerelle mixte béton-acier, comprenant au moins une poutre support (2) en acier de la dalle de couverture (1) en béton, ladite poutre support (2) comprenant une cavité interne remplie d'un liant (11), caractérisée en ce que ladite poutre support (2) est totalement fermée à l'exception de ses extrémités.
- Structure de pont selon la revendication 1, caractérisée en ce qu'elle comprend deux poutres (2) placées sous la chaussée (5).
- Structure de pont selon la revendication 1, caractérisée en ce qu'elle comprend deux poutres (2) placées latéralement au-dessus de la chaussée.
- Structure de pont selon l'une quelconque des revendications 1 à 3, caractérisée en ce que chaque poutre support est pourvue d'un ferraillage interne.
- Structure de pont selon l'une quelconque des revendications 1 à 4, caractérisée en ce que chaque poutre support est élaborée par soudage longitudinal d'au moins deux poutres élémentaires.
- Structure de pont selon la revendication 5, caractérisée en ce que chaque poutre support (2) est élaborée par soudage de deux poutres en forme de H de sorte à ce que les poutres support présentent deux semelles (12) sensiblement en regard l'une de l'autre et parallèles entre elles, reliées par deux parois d'âme (13) sensiblement perpendiculaires aux semelles (12) et en regard l'une de l'autre.
- Structure de pont selon l'une quelconque des revendications 1 à 6 caractérisée en ce que le liant de remplissage des poutres support (2) est choisi parmi le groupe comprenant les bétons à base de ciments Portland, de ciments de hauts fourneaux, de ciments pouzzolaniques, de ciments alumineux, les bétons à hautes performances, les bétons à base de résine, les bétons de fibres.
- Structure de pont selon l'une quelconque de revendications 1 à 7, caractérisée en ce que chaque poutre de support est réalisée en un matériau choisi parmi le groupe comprenant aciers de construction d'usage général, les aciers à haute limite élastique, les aciers de constructions à résistance améliorée à la corrosion atmosphérique.
- Structure de pont selon l'une quelconque des revendications 1 à 8, caractérisée en ce que les poutres support (2) sont assemblées à la dalle de couverture (1) par des goujons (14) placés dans des réservations (15) de ladite dalle (1).
- Structure de pont selon l'une quelconque des revendications 1 à 9, caractérisée en ce qu'une pièce d'appui (16) est placée dans une réservation de la dalle de couverture (1) et est placée entre la semelle supérieure (12) de chaque poutre support (2) et ladite dalle (1), cette pièce d'appui (16) étant pourvue d'une saille (18) en appui contre ladite semelle supérieure (12).
- Structure de pont selon l'une quelconque des revendications 1 à 10, caractérisée en ce que la dalle de couverture (1) est précontrainte longitudinalement.
- Structure de pont selon l'une quelconque de revendications 6 à 11, caractérisée en ce qu'au moins une des parois d'âmes des poutres support (2) est en un matériau différent de celui des semelles (12) de ces poutres.
- Structure de pont selon l'une quelconque des revendications 1 à 12, caractérisée en ce qu'elle est dépourvue d'entretoise reliant les poutres support en dessous et à distance de la dalle de couverture.
- Structure de pont selon l'une quelconque des revendications 1 à 13, caractérisée en ce qu'elle est dépourvue de pièces de pont reliant les poutres support en dessous de la dalle de couverture.
- Procédé de réalisation d'une structure de pont selon l'une quelconque des revendications 1 à 14, caractérisé en ce que le remplissage de la poutre support (2) est effectué par l'une des extrémités de ladite poutre (2).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9908234 | 1999-06-28 | ||
FR9908234A FR2795438B1 (fr) | 1999-06-28 | 1999-06-28 | Structure de pont ou de passerelle mixte beton-acier, en particulier de pont a tablier bipoutre mixte sous chaussee |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1065316A1 true EP1065316A1 (fr) | 2001-01-03 |
EP1065316B1 EP1065316B1 (fr) | 2005-11-09 |
Family
ID=9547377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00401844A Expired - Lifetime EP1065316B1 (fr) | 1999-06-28 | 2000-06-28 | Structure de pont ou de passerelle mixte béton-acier, en particulier de pont à tablier bipoutre mixte sous chaussée |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1065316B1 (fr) |
AT (1) | ATE309417T1 (fr) |
DE (1) | DE60023795D1 (fr) |
FR (1) | FR2795438B1 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7833260B2 (en) | 2006-07-20 | 2010-11-16 | Orbusneich Medical, Inc. | Bioabsorbable polymeric medical device |
US7846197B2 (en) | 2006-07-20 | 2010-12-07 | Orbusneich Medical, Inc. | Bioabsorbable polymeric medical device |
US7846361B2 (en) | 2006-07-20 | 2010-12-07 | Orbusneich Medical, Inc. | Bioabsorbable polymeric composition for a medical device |
US8691321B2 (en) | 2006-10-20 | 2014-04-08 | Orbusneich Medical, Inc. | Bioabsorbable polymeric composition and medical device background |
US9211205B2 (en) | 2006-10-20 | 2015-12-15 | Orbusneich Medical, Inc. | Bioabsorbable medical device with coating |
CN105544373A (zh) * | 2015-12-07 | 2016-05-04 | 清华大学 | 一种用于大跨斜拉桥的钢箱-混凝土组合主梁及施工方法 |
CN105970798A (zh) * | 2016-05-12 | 2016-09-28 | 中南大学 | 多用途箱梁结构 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105803914A (zh) * | 2016-03-23 | 2016-07-27 | 中铁大桥勘测设计院集团有限公司 | 一种带有槽形梁的组合梁及桥梁 |
AT526252B1 (de) * | 2022-11-15 | 2024-01-15 | Kollegger Gmbh | Verfahren zur herstellung einer fahrbahnplatte für eine brücke |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1212575B (de) * | 1963-02-08 | 1966-03-17 | Beteiligungs & Patentverw Gmbh | Verfahren zum Vorspannen eines Verbundtragwerkes, insbesondere fuer Bruecken und Hochstrassen |
DE2102613A1 (de) * | 1970-01-23 | 1972-02-10 | Meier, Johann, Feldbach, Mühldorf (Österreich) | Stahlbetonträger |
EP0745740A1 (fr) * | 1995-05-29 | 1996-12-04 | Gtm | Procédé d'assemblage d'un élément de construction sur une charpente métallique et ouvrage ainsi obtenu |
EP0841434A1 (fr) * | 1996-11-11 | 1998-05-13 | Fujisen Corporation | Poutre de pont, élément pour poutre de pont et procédé de fabrication d'une poutre de pont |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2616166B1 (fr) | 1987-06-04 | 1990-10-19 | Sogelerg | Pont a ossature mixte et son procede de construction |
FR2622907B1 (fr) | 1987-11-06 | 1991-06-28 | Pico Sogetrap Gestion Etu Trav | Ouvrages de genie-civil,notamment ponts et procedes de construction de ceux-ci |
US5144710A (en) | 1991-02-28 | 1992-09-08 | Grossman Stanley J | Composite, prestressed structural member and method of forming same |
FR2693491A1 (fr) | 1992-07-09 | 1994-01-14 | Dumez | Ensemble constitué par des poutres porteuses et une armature coffrante pour ouvrage mixte acier-béton, et son procédé de réalisation. |
SE501583C2 (sv) * | 1992-10-29 | 1995-03-20 | Anders Granstroem | Brokonstruktion |
FR2698111B1 (fr) | 1992-11-18 | 1995-02-03 | Razel Freres Entr | Procédé de construction d'un tablier de pont comportant une dalle en béton supportée par des poutres métalliques longitudinales. |
-
1999
- 1999-06-28 FR FR9908234A patent/FR2795438B1/fr not_active Expired - Fee Related
-
2000
- 2000-06-28 DE DE60023795T patent/DE60023795D1/de not_active Expired - Lifetime
- 2000-06-28 AT AT00401844T patent/ATE309417T1/de not_active IP Right Cessation
- 2000-06-28 EP EP00401844A patent/EP1065316B1/fr not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1212575B (de) * | 1963-02-08 | 1966-03-17 | Beteiligungs & Patentverw Gmbh | Verfahren zum Vorspannen eines Verbundtragwerkes, insbesondere fuer Bruecken und Hochstrassen |
DE2102613A1 (de) * | 1970-01-23 | 1972-02-10 | Meier, Johann, Feldbach, Mühldorf (Österreich) | Stahlbetonträger |
EP0745740A1 (fr) * | 1995-05-29 | 1996-12-04 | Gtm | Procédé d'assemblage d'un élément de construction sur une charpente métallique et ouvrage ainsi obtenu |
EP0841434A1 (fr) * | 1996-11-11 | 1998-05-13 | Fujisen Corporation | Poutre de pont, élément pour poutre de pont et procédé de fabrication d'une poutre de pont |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9629940B2 (en) | 2006-07-20 | 2017-04-25 | Orbusneich Medical, Inc. | Bioabsorbable polymeric composition for a medical device |
US7846197B2 (en) | 2006-07-20 | 2010-12-07 | Orbusneich Medical, Inc. | Bioabsorbable polymeric medical device |
US7846361B2 (en) | 2006-07-20 | 2010-12-07 | Orbusneich Medical, Inc. | Bioabsorbable polymeric composition for a medical device |
US8460362B2 (en) | 2006-07-20 | 2013-06-11 | Orbusneich Medical, Inc. | Bioabsorbable polymeric medical device |
US8460364B2 (en) | 2006-07-20 | 2013-06-11 | Orbusneich Medical, Inc. | Bioabsorbable polymeric medical device |
US7833260B2 (en) | 2006-07-20 | 2010-11-16 | Orbusneich Medical, Inc. | Bioabsorbable polymeric medical device |
US9642945B2 (en) | 2006-07-20 | 2017-05-09 | Orbusneich Medical, Inc. | Bioabsorbable polymeric composition for a medical device |
US9642947B2 (en) | 2006-07-20 | 2017-05-09 | Orbusneich Medical, Inc. | Bioabsorbable polymeric composition for a medical device |
US9662416B2 (en) | 2006-07-20 | 2017-05-30 | Orbusneich Medical, Inc. | Bioabsorbable polymeric composition for a medical device |
US8691321B2 (en) | 2006-10-20 | 2014-04-08 | Orbusneich Medical, Inc. | Bioabsorbable polymeric composition and medical device background |
US9211205B2 (en) | 2006-10-20 | 2015-12-15 | Orbusneich Medical, Inc. | Bioabsorbable medical device with coating |
CN105544373A (zh) * | 2015-12-07 | 2016-05-04 | 清华大学 | 一种用于大跨斜拉桥的钢箱-混凝土组合主梁及施工方法 |
CN105970798A (zh) * | 2016-05-12 | 2016-09-28 | 中南大学 | 多用途箱梁结构 |
Also Published As
Publication number | Publication date |
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EP1065316B1 (fr) | 2005-11-09 |
FR2795438B1 (fr) | 2001-08-03 |
DE60023795D1 (de) | 2005-12-15 |
FR2795438A1 (fr) | 2000-12-29 |
ATE309417T1 (de) | 2005-11-15 |
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