EP1131492B1 - Systeme de connexion d'un cable a une structure d'ouvrage de construction - Google Patents
Systeme de connexion d'un cable a une structure d'ouvrage de construction Download PDFInfo
- Publication number
- EP1131492B1 EP1131492B1 EP00962612A EP00962612A EP1131492B1 EP 1131492 B1 EP1131492 B1 EP 1131492B1 EP 00962612 A EP00962612 A EP 00962612A EP 00962612 A EP00962612 A EP 00962612A EP 1131492 B1 EP1131492 B1 EP 1131492B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cable according
- wire
- cable
- keys
- plates
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
- E04C5/127—The tensile members being made of fiber reinforced plastics
-
- 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
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
- E04C5/122—Anchoring devices the tensile members are anchored by wedge-action
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/39—Cord and rope holders
- Y10T24/3909—Plural-strand cord or rope
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/39—Cord and rope holders
- Y10T24/3969—Sliding part or wedge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/39—Cord and rope holders
- Y10T24/3996—Sliding wedge
Definitions
- the present invention relates to a system of connection between a cable for structure structure construction and an element of this structure, the cable comprising at least one wire.
- a cable according to the preamble of claim 1 is described in FR 2 708 017 A.
- the present invention relates in particular to cables consisting of a number of strands themselves gathering several threads, which are solicited in particular traction in building structures such as off-shore platforms with taut lines, or bridges suspended or guyed.
- connection systems are necessary for anchor the cables for example at the bottom of the sea.
- the accessibility of these systems is not always easy, which makes their implementation costly.
- the object of the invention is to provide a system of connection in which the wires are firmly anchored for in particular to withstand traction forces simple, effective and inexpensive means.
- each wire of the cable is firmly and simply retained when this thread is put into traction.
- This platform classically comprises an upper part 2 which is generally above sea level and which is anchored in the bottom 3 of the sea by series 4, 5 of cables 6.
- Each cable is stretched between a constituent element 7 of the platform 1, for example to the beams of the upper part 2, and an anchor at the bottom 3 of the sea by means of connection systems 10 that are going to be described below.
- Each cable is subject to traction while being very resistant to fatigue and corrosion.
- Each cable 6 is constituted in a manner known in self, of a bundle of several strands that are themselves made from a series of elementary threads. reader will appreciate in the following that each cable can be reduced to a strand or even an elementary wire.
- each strand consists of a set of son 9 which are for example parallel to each other at the level from their ends.
- the strand thus formed can be joined to other strands to form the cable 6.
- Each wire 9 is made of metallic material or made of composite material composed of unidirectional fibers embedded in a resin matrix.
- Fibers unidirectional are preferably carbon and can be high strength fibers or high fibers module that are embedded in a crosslinked epoxide matrix, obtained for example by a pultrusion process.
- the threads 9 are of shape cylindrical with circular base and are solid wires. They can also be of any other profile, such as a square or hexagonal profile.
- connection system 10 comprises a clamping device 11 which is connected to the structural element 7 and a transmission device 12.
- This transmission device is subject to the clamping forces exerted uniformly by the tightening 11 and transmits these forces to the wires 9 of the strand which are thus firmly tightened.
- the transmission device 12 consists, in the first embodiment, in a number of plates 15 between which are housed the threads 9.
- Each of the plates 15 is substantially shaped rectangular and has an upper face 16, one face substantially flat bottom 17 and longitudinal edges 18, taken according to the thickness of the plate, of curved form so that all platelets 15, once superimposed on each other, form a base cylinder circular.
- each wafer 15 constitutes in so a longitudinal slice of a cylinder that is of thin compared to its length.
- Each of the upper faces 16 and lower 17 of the pads 15 has a channel 20.
- the cross section channels 20 is close to the cross sectional half wires 9.
- the channels 20 of an upper face 16 of a plate 15 are facing the channels 20 of a face lower 17 of the next wafer.
- the channels 20 thus define two by two passages 21 whose cross-section is complementary to that of the wires 9.
- the pads 15 are made of material metal or composite or organic material.
- the clamping device 11 consists of a jaw 25 and means 26 which here take the form of a sheath to compress the bit 25.
- the jaw 25 has several keys 27.
- the set of keys 27 define a cylinder based ring having a proximal end 28 and a distal end 29.
- the inner diameter of this cylinder is close to the diameter of the cylindrical stack of
- the thickness of the wall at the level of the proximal end 28 is greater than the thickness of the wall at the distal end 29.
- the end proximal is the end on which the ends of the wires 9 while the distal end is the one from which the wires extend in the direction from the rest of the construction work.
- each key 27 has a face 30 inside bearing on the pads 15 and one face outer 31 converges towards the inner face 30.
- the sheath 26 is a cylinder with an annular base the inner wall 32 is of complementary shape to that the outer wall of the cylinder defined by the keys 27.
- the sleeve 26 has a first end or distal end 33 whose opening is of diameter less than the opening of the second end or proximal end 34 of this sleeve.
- the inner wall 32 of the sheath is frustoconical in shape and is complementary to the shape exterior, itself frustoconical, of the cylinder defined by the set of keyways 27.
- the diameter of the opening of the end 33 is slightly larger than the diameter of the cylinder defined by stacking platelets 15.
- the predetermined clamping force on the wires 9 is function of the slope of each of the inclined faces of keys and sheath and the force with which the keys 27 are inserted into the sheath 26.
- each wire 9 of a strand is firmly anchored to resist, for example, tensile forces.
- the plates 15 of the force transmission device occupy the entire interior volume of the cylinder defined by the keys 27.
- connection system 50 differs from that previously described only by the shape of the device of transmission of effort 52, the other constituent elements are similar and carry numerical references identical.
- the transmission device 52 no longer occupies any the interior volume of the cylinder defined by the keys 27 of the jaws 25.
- This device consists of a plurality of metal sleeves 55 for example made of aluminum.
- the sleeves 55 are of substantially internal diameter identical to the diameter of the wires 9 so as to forces these wires into the sleeves.
- the outside diameter of sleeves is small compared to the inner diameter of the cylinder delimited by the keys 27.
- the threads 9 are furthermore glued inside the 55.
- These sleeves are made of boundary material low elastic, with a certain plasticity.
- connection system 50 is substantially identical to the assembly of the first mode system of realization.
- the sleeves 55 are tangent to each other other inside the keys, each sleeve 55 being in contact with adjacent sleeves or a key according to three generators. In fact, when tightening, the sleeves are slightly crushed so that each sleeve is in contact along three surfaces. Only a part of them, the peripheral sleeves, are in contact with the keys.
- the sleeves can be glued between they fill in the gaps between the sleeves.
- the sleeves 55 are in cross-section, of non-circular outer shape but close to a rhombus or other so as to juxtapose easily the sleeves.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
- Bridges Or Land Bridges (AREA)
- Joining Of Building Structures In Genera (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Clamps And Clips (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Electric Cable Installation (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Description
- un dispositif de serrage qui est lié à l'élément de structure, et
- un dispositif de transmission d'efforts qui transmet les efforts de serrage du dispositif de serrage au câble et qui loge ledit au moins un fil du câble, et en ce que ledit au moins un fil est collé dans le dispositif de transmission d'efforts.
- le dispositif de serrage comprend au moins deux clavettes d'un mors qui sont en appui sur le dispositif de transmission d'efforts et des moyens de mise en compression du mors ;
- les moyens de mise en compression comportent un fourreau dont la paroi intérieure est de forme convergente en direction d'une extrémité du fourreau, les clavettes du mors étant de forme complémentaire à celle de ladite paroi intérieure et étant montées dans le fourreau pour être serrées par effet de coin dans le fourreau ;
- les clavettes sont de section longitudinale sensiblement de forme triangulaire ;
- le dispositif de transmission comprend au moins deux plaquettes, chacune des plaquettes portant au moins un canal de forme complémentaire à au moins une partie de la forme de la section transversale du fil, les plaquettes étant montées en regard pour que les canaux des plaquettes forment au moins un passage dans lequel est logé ledit au moins un fil ;
- une pluralité de fils est logée dans plusieurs passages eux-mêmes délimités par plusieurs plaquettes (11) qui sont empilées les une sur les autres pour former au moins un brin ;
- les clavettes recouvrent en totalité la surface extérieure d'un tronçon du brin ;
- le dispositif de transmission comprend au moins un manchon cylindrique dans lequel est logé ledit au moins un fil ;
- ledit au moins un fil est emmanché de force dans ledit au moins un manchon ;
- une pluralité de manchons sont montés adjacents les uns aux autres dans les clavettes ;
- les fils sont réalisés en matériau composite à base de fibres de carbone ; et
- les fils sont des fils pleins.
- la figure 1 est une vue schématique générale d'une plate-forme offshore comprenant des câbles ancrés par des systèmes de connexion selon la présente invention ;
- la figure 2 est une vue en perspective d'une première forme de réalisation de l'un des systèmes de connexion de la figure 1 selon la présente invention ;
- la figure 3 est une vue en perspective éclatée des seules plaquettes du système de la figure 2 ;
- la figure 4 est une vue en coupe longitudinale du système de la figure 2 ;
- la figure 5 est une vue en perspective d'une deuxième forme de réalisation de l'un des systèmes de connexion de la figure 1 selon la présente invention ; et
- la figure 6 est une vue en coupe longitudinale du système de la figure 5.
Claims (12)
- Câble (6) comprenant au moins un fil (9) et un système de connexion dudit câble (6) avec un élément (7) d'une structure d'ouvrage de construction (1), le système (10;50) comprenant :un dispositif de serrage (11) qui est destiné à être lié à l'élément (7) de structure,un dispositif de transmission d'efforts (12;52) qui transmet les efforts de serrage du dispositif de serrage (11) au câble (6) et qui loge ledit au moins un fil (9) du câble (6), caractérisé en ce que
- Câble selon la revendication 1, dans lequel le dispositif de serrage (11) comprend au moins deux clavettes (27) d'un mors (25) qui sont en appui sur le dispositif de transmission d'efforts (12;52) et des moyens (26) de mise en compression du mors (25).
- Câble selon la revendication 2, dans lequel les moyens de mise en compression (26) comportent un fourreau dont la paroi intérieure (32) est de forme convergente en direction d'une extrémité (33) du fourreau, les clavettes (27) du mors (25) étant de forme complémentaire à celle de ladite paroi intérieure (32) et étant montées dans le fourreau (26) pour être serrées par effet de coin dans le fourreau.
- Câble selon la revendication 3, dans lequel les clavettes (27) sont de section longitudinale sensiblement de forme triangulaire.
- Câble selon la revendication 4, dans lequel le dispositif de transmission (12) comprend au moins deux plaquettes (15), chacune des plaquettes (15) portant au moins un canal (20) de forme complémentaire à au moins une partie de la forme de la section transversale du fil (9), les plaquettes (15) étant montées en regard pour que les canaux (20) des plaquettes (15) forment au moins un passage (21) dans lequel est logé ledit au moins un fil (9).
- Câble selon la revendication 5, dans lequel une pluralité de fils (9) est logée dans plusieurs passages (21) eux-mêmes délimités par plusieurs plaquettes (15) qui sont empilées les une sur les autres pour former au moins un brin.
- Câble selon la revendication 6, dans lequel les clavettes (27) recouvrent en totalité la surface extérieure d'un tronçon du brin.
- Câble selon la revendication 4, dans lequel le dispositif de transmission (52) comprend au moins un manchon cylindrique (55) dans lequel est logé ledit au moins un fil (9).
- Câble selon la revendication 8, dans lequel ledit au moins un fil (9) est emmanché de force dans ledit au moins un manchon (55).
- Câble selon la revendication 9, dans lequel une pluralité de manchons (55) sont montés adjacents les uns aux autres dans les clavettes (27).
- Câble selon l'une quelconque des revendications 4 à 10, dans lequel les fils (9) sont réalisés en matériau composite à base de fibres de carbone.
- Câble selon l'une quelconque des revendications 4 à 11, dans lequel les fils (9) sont des fils pleins.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9911516A FR2798409B1 (fr) | 1999-09-15 | 1999-09-15 | Systeme de connection d'un cable a une structure d'ouvrage de construction |
FR9911516 | 1999-09-15 | ||
PCT/FR2000/002513 WO2001020081A1 (fr) | 1999-09-15 | 2000-09-12 | Systeme de connexion d'un cable a une structure d'ouvrage de construction |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1131492A1 EP1131492A1 (fr) | 2001-09-12 |
EP1131492B1 true EP1131492B1 (fr) | 2005-09-07 |
Family
ID=9549851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00962612A Expired - Lifetime EP1131492B1 (fr) | 1999-09-15 | 2000-09-12 | Systeme de connexion d'un cable a une structure d'ouvrage de construction |
Country Status (9)
Country | Link |
---|---|
US (1) | US6487757B1 (fr) |
EP (1) | EP1131492B1 (fr) |
JP (1) | JP3958967B2 (fr) |
AT (1) | ATE304081T1 (fr) |
AU (1) | AU7427800A (fr) |
DE (1) | DE60022465T2 (fr) |
DK (1) | DK1131492T3 (fr) |
FR (1) | FR2798409B1 (fr) |
WO (1) | WO2001020081A1 (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080229705A1 (en) * | 2004-04-07 | 2008-09-25 | Egon Evertz | Device for Protecting Buildings or Installations |
US8206056B2 (en) * | 2006-06-12 | 2012-06-26 | Patriot Barrier Systems, Llc | Barrier system |
US7942602B2 (en) * | 2006-06-12 | 2011-05-17 | Protectus, Llc | Barrier system |
CN102127950B (zh) * | 2011-02-15 | 2012-08-22 | 全恩懋 | 预应力片材夹持式锚具的自动对中张拉锚固装置 |
CN102535335B (zh) * | 2012-03-20 | 2014-03-12 | 柳州欧维姆机械股份有限公司 | 带有抗滑锁紧结构的斜拉桥索鞍 |
CN104797764A (zh) * | 2012-09-17 | 2015-07-22 | Cpc公司 | 用于制造预应力混凝土部件的加强件、混凝土部件和制造方法 |
WO2014188469A1 (fr) * | 2013-05-20 | 2014-11-27 | 極東鋼弦コンクリート振興株式会社 | Dispositif d'ancrage pour filament en plastique renforcé par des fibres |
US20160362939A1 (en) * | 2013-11-12 | 2016-12-15 | Vectorsum, Inc. | Composite sucker rod assembly for underground wells |
CN104060525B (zh) * | 2014-06-28 | 2016-04-13 | 苏交科集团股份有限公司 | 钢绞线夹片锚附加锚固装置、张拉工具和安装方法 |
CN106852161A (zh) * | 2014-10-22 | 2017-06-13 | 新日铁住金工程技术株式会社 | 缆线和缆线的制造方法 |
CN106194928A (zh) * | 2016-08-11 | 2016-12-07 | 宁波健信核磁技术有限公司 | 一种连接机构 |
CN106286530B (zh) * | 2016-08-31 | 2018-03-13 | 北京术锐技术有限公司 | 一种多根杆的锁紧装置 |
CN106400981A (zh) * | 2016-09-30 | 2017-02-15 | 上海建筑设计研究院有限公司 | 索夹 |
JP6869083B2 (ja) * | 2017-04-11 | 2021-05-12 | 三井住友建設株式会社 | Frp緊張材の定着装置 |
JP6869107B2 (ja) * | 2017-05-30 | 2021-05-12 | 三井住友建設株式会社 | Frp緊張材の定着装置 |
US12054947B1 (en) * | 2024-01-08 | 2024-08-06 | King Faisal University | Multi-layer wedge anchorage for FRP plates and FRP tendons |
US12104378B1 (en) * | 2024-01-10 | 2024-10-01 | King Faisal University | Multi-layer wedge anchorage for fiber-reinforced polymer (FRP) plates and tendons |
US11965334B1 (en) * | 2024-01-11 | 2024-04-23 | King Faisal University | Multi-layer wedge anchorage for fiber-reinforced polymer (FRP) plates and tendons |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE759109A (fr) | 1969-12-31 | 1971-04-30 | Joslyn Mfg And Supply Cy | Raccords d'extremite pour tiges en fibre de verre devant resister a descharges de traction elevees |
GB1478308A (en) * | 1973-08-23 | 1977-06-29 | Ccl Systems Ltd | Anchorage assembly for use in the prestressing of concrete structures |
ES199828Y (es) * | 1974-01-25 | 1975-12-16 | Manufacturas De Acero | Dispositivo para el anclaje de trenzas y cordones de arma- duras de construccion. |
US4367568A (en) * | 1980-05-24 | 1983-01-11 | Strabag Bau-Ag | Anchorage devices for a tension wire bundle of tension wires |
AT390100B (de) * | 1985-03-05 | 1990-03-12 | Vorspann Technik Gmbh | Verankerung fuer spannglieder |
GB2245287B (en) * | 1990-05-31 | 1994-03-02 | Robin Webb Consulting Limited | Tethers |
CA2047013C (fr) * | 1991-07-08 | 1994-12-13 | Doug Milne | Poignee de cable |
FR2685406B1 (fr) * | 1991-12-24 | 1994-03-11 | Etudes Fabr Attaches Cables | Dispositif de retenue axiale d'une piece sur un element cylindrique allonge. |
FR2686916A1 (fr) * | 1992-01-31 | 1993-08-06 | Sif Entreprise Bachy | Dispositif d'ancrage d'un faisceau de joncs fibreux. |
FR2708017B1 (fr) * | 1993-07-21 | 1995-09-22 | Freyssinet Int Stup | Perfectionnements aux mors tronconiques d'ancrage pour câbles et à leurs procédés de mise en Óoeuvre. |
DK0710313T3 (da) * | 1994-04-25 | 2000-09-25 | Empa | Forankring for højydelsesfiberkompositmaterialetråde |
-
1999
- 1999-09-15 FR FR9911516A patent/FR2798409B1/fr not_active Expired - Fee Related
-
2000
- 2000-09-12 JP JP2001523445A patent/JP3958967B2/ja not_active Expired - Lifetime
- 2000-09-12 EP EP00962612A patent/EP1131492B1/fr not_active Expired - Lifetime
- 2000-09-12 DK DK00962612T patent/DK1131492T3/da active
- 2000-09-12 US US09/831,841 patent/US6487757B1/en not_active Expired - Lifetime
- 2000-09-12 AU AU74278/00A patent/AU7427800A/en not_active Abandoned
- 2000-09-12 AT AT00962612T patent/ATE304081T1/de not_active IP Right Cessation
- 2000-09-12 DE DE60022465T patent/DE60022465T2/de not_active Expired - Lifetime
- 2000-09-12 WO PCT/FR2000/002513 patent/WO2001020081A1/fr active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
WO2001020081A1 (fr) | 2001-03-22 |
DE60022465D1 (de) | 2005-10-13 |
JP3958967B2 (ja) | 2007-08-15 |
DE60022465T2 (de) | 2006-06-29 |
JP2003509602A (ja) | 2003-03-11 |
FR2798409B1 (fr) | 2002-01-04 |
AU7427800A (en) | 2001-04-17 |
DK1131492T3 (da) | 2006-01-23 |
EP1131492A1 (fr) | 2001-09-12 |
US6487757B1 (en) | 2002-12-03 |
FR2798409A1 (fr) | 2001-03-16 |
ATE304081T1 (de) | 2005-09-15 |
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