EP0950762B1 - Aufhängevorrichtung für Bauwerke - Google Patents

Aufhängevorrichtung für Bauwerke Download PDF

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Publication number
EP0950762B1
EP0950762B1 EP99400844A EP99400844A EP0950762B1 EP 0950762 B1 EP0950762 B1 EP 0950762B1 EP 99400844 A EP99400844 A EP 99400844A EP 99400844 A EP99400844 A EP 99400844A EP 0950762 B1 EP0950762 B1 EP 0950762B1
Authority
EP
European Patent Office
Prior art keywords
strands
cable
collars
strand
external tube
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
Application number
EP99400844A
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English (en)
French (fr)
Other versions
EP0950762A1 (de
Inventor
Jérôme Stubler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Freyssinet International STUP SA
Original Assignee
Freyssinet International STUP SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Freyssinet International STUP SA filed Critical Freyssinet International STUP SA
Priority to EP00100022A priority Critical patent/EP0990735A1/de
Publication of EP0950762A1 publication Critical patent/EP0950762A1/de
Application granted granted Critical
Publication of EP0950762B1 publication Critical patent/EP0950762B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
    • D07B5/006—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties by the properties of an outer surface polymeric coating
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/141—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases
    • D07B1/144—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases for cables or cable components built-up from metal wires
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2087—Jackets or coverings being of the coated type
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2088—Jackets or coverings having multiple layers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2083—Jackets or coverings
    • D07B2201/2091—Jackets or coverings being movable relative to the internal structure
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2015—Construction industries
    • D07B2501/203—Bridges

Definitions

  • the present invention relates to works of suspended construction, in particular on suspension bridges or hanging blankets.
  • the suspension devices of such structures include at least one carrying cable anchored to its two ends and lines which are themselves each hung on a collar fixed around the cable carrier.
  • the lines transmit the load of the structure to the carrying cable. Most often, they are not all perpendicular to the carrying cable, so that at least some of the clamps exert on the cable carrying an effort which has a tangent component to the carrying cable, called tangential force.
  • the carrying cable is constituted by a bundle of bare steel wires or strands, the cable carrier being enveloped by an outer protective layer paint or bitumen or by a tubular sheath.
  • This protective layer is generally interrupted in line with necklaces, which are very tightly tightened directly on the steel of the supporting cable.
  • French patent 2,739,112 describes a measurement to limit the tightening of the clamps on the cable carrier: auxiliary connecting cables connect between them the collars so as to compensate for the static part of the tangential force, due to the nominal load of the work.
  • the dynamic part (variable overloads according to traffic, weather conditions ...) is taken up by the clamping force of the collars on the carrying cable. This process requires tensioning of the connecting cables successive according to determined voltage values.
  • a main object of the present invention is to offer a simple and effective way of dealing with problem of tangential forces to which a carrying cable.
  • the invention thus provides a device for suspension for a construction work, comprising at minus a carrying cable and lines attached to the cable carrier by means of clamps, the carrier cable comprising a bundle of strands anchored at their ends and stretched by the load of the structure transmitted by the lines, and an envelope structure containing the strands and on which are mounted the necklaces.
  • the envelope structure present, parallel to the cable load-bearing, sufficient compressive strength to take up tangential components of the forces that clamps exert on the cable due to the transmission of the load by the lines, by not transmitting substantially no clamping force on the strands.
  • the structure envelope of the carrying cable comprises an outer tube, individual sheaths each containing a strand of cable and lubricant, and hardened filler occupying the space between the outer tube and the sheaths individual.
  • the strands are then effectively protected against corrosion and against fretting-corrosion phenomena.
  • the cured filler forms around from them a compression resistant matrix in the sense longitudinal for the recovery of tangential forces.
  • the suspension bridge shown in Figure 1 conventionally comprises an apron 1, two pylons 2, two parallel carrier cables 3, only one of which is visible on the drawing, and lines 4 which are attached to the cables 3 and which carry the apron 1.
  • the carrying cables 3 are stretched between two ground anchors 5 at both ends of the bridge (solid artificial anchors, rock anchors, or the case anchorages at both ends of the deck if is a "self-anchored” suspension bridge), and they are supported by the pylons 2.
  • the carrier cables 3 are discontinuous preference to the right of pylons 2, with anchoring on these pylons.
  • Each carrying cable 3 comprises one or more bundles of individually protected strands 6, one of which example is shown in figure 3.
  • the strand proper 7 forms the strand that will work in traction.
  • This strand 7 is made up of several wires of twisted steel (seven in number in the example represented).
  • the steel of the wires may have been subjected to a anti-corrosion treatment (galvanization, coating by a Zn-Al alloy ).
  • Strand 7 is embedded in a material lubricant 8 itself covered by an outer sheath 9 made of flexible plastic, for example polyethylene high density (HDPE).
  • the lubricating material 8 protects also the steel of the wires against corrosion. It is typically a fat or wax.
  • the individually protected strands 6 of the cable carrier 3 are housed in an outer tube 10 extending over the entire length of the carrying cable between its two anchored ends.
  • a hardened filling product 12 fills the space remaining between the outer tube 10 and the individual sheaths 9 of the strands (FIG. 2).
  • the tube exterior 10 can be made of metal or a material plastic such as HDPE.
  • the filling product 12 can be a cement grout, a polymer or a resin.
  • Each hanger 4 has its lower end fixed to deck 1 of the bridge, and its upper end fixed to the carrying cable 3 using a collar 13.
  • Each collar 13 includes for example two semi-cylindrical shells 13a, 13b bolted to each other around the cable carrier 3, the upper end of the hanger 4 being articulated on one of the two shells 13a.
  • the envelope structure containing the strands 7 of the carrying cable 3, consisting of individual sheaths 9 of these strands, by the matrix formed by the product of hardened filling 12 and by the outer tube 10, allows not to transmit to the strands 7 efforts of jamming generated by fixing the collars transmitting the load supported by each hanger individual 4.
  • the stretched strands 7 of the carrying cable 3 can be replaced individually without dismantling the clamps 13, for example as follows.
  • This one is then stretched using a jack at the measured voltage value, then anchor.
  • the lubricant 8 present inside the sheath individual 9 allows easy strand extraction 7.
  • a lubricant such as grease is brought around the new strand as it enters the sheath 9, to facilitate this penetration, protect the new strand against corrosion, and facilitate its replacement ulterior.
  • Figure 4 shows another example of a strand individually protected 16 usable in a device suspension according to the invention.
  • the strand itself, or strand, 7 is coated with a protective material 18 such than a wax or a fat, and surrounded by a first sealed plastic sheath 19 which can for example conform to the shape of the periphery of the strand 7, like the shown in Figure 4.
  • a lubricant 20 such as grease gets between this first sheath 19 and the sheath individual 21 of the strand 16.
  • Figure 5 shows schematically another individually protected strand structure 24 usable in a device according to the invention.
  • Sheath individual 25 of these strands 24 have bulges 26 spaced along the direction of the carrying cable 3. These spaced apart bulges 26 are longitudinally offset relative to each other to the placement of the strands individually protected 24 in the outer tube 10 of the cable. They thus provide intervals i between the individual sheaths 25 of these strands, intervals which allow the injected filler 12 to be well pass between all the strands 24 to form a matrix consistent after hardening.
  • the forces of friction, applying a clamp to the clamps 13 moderate (which is not transmitted to the stretched strands 7). It is advantageous that the internal face and / or the external face of the outer tube 10 of the cable 3 are provided with reliefs transverse to the right of the collars where such tangential efforts. The radial tightening of the collars can then be very weak, or even zero.
  • the tube 10 is consists of smooth sections 30 extending between the necklaces, and 40.50.60 sections located at the collars 13. These sections 40, 50, 60 are welded end to end with the smooth sections 30. Their shaping can be ensured during their manufacture by molding, while the smooth sections 30 are conventionally produced by extrusion.
  • the external face of the tube section 40 has circumferential grooves 41, and the internal face of the collar 13 has streaks complementary 42 to engage on the tube outside 10 and transmit the tangential force.
  • the wall of the section of tube 50 has undulations in the manner of a bellows, causing transverse reliefs 51.52 on its internal and external faces.
  • the tangential effort exerted by the collar 13, the internal face of which has corresponding grooves 53, is transmitted almost directly inside hardened filling material of tube 10.
  • the tube section 60 has streaks 61 on its internal face, which transmit the tangential force to the injected material and hardened inside the tube 10.
  • a protuberance annular 62 is present on the external face of the section of tube 60, and the internal face of the collar 13 has a complementary annular groove 63 engaging on this protuberance 62 for transmitting the force tangential.

Claims (8)

  1. Aufhängevorrichtung für Bauwerke, welche mindestens einen Hängegurt (3) und Hänger (4) umfasst, die am Hängegurt mittels Schellen (13) befestigt sind, wobei der Hängegurt ein Bündel von Seilsträngen (7), die am Ende verankert und durch die von den Hängern übertragene Last des Bauwerks gespannt werden können, und eine Hüllstruktur (9, 10, 12), welche die Seilstränge enthält und auf weicher die Schellen angebracht sind, umfasst, dadurch gekennzeichnet, dass die Hüllstruktur parallel zum Hängegurt eine Druckfestigkeit aufweist, die ausreicht, um die Tangentialkomponenten der Kräfte aufzunehmen, welche die Schellen auf Grund der Kraftübertragung durch die Hänger auf den Hängegurt ausüben, wobei auf die Seilstränge im Wesentlichen keine Spannkräfte übertragen werden.
  2. Vorrichtung nach Anspruch 1, in welcher die Hüllstruktur eine Außenhülle (10), einzelne Ummantelungen (9; 21; 25), die jeweils einen Seilstrang (7) des Hängegurts und ein Schmiermittel (8; 20) enthalten, und ein ausgehärtetes Füllmittel (12), das den Zwischenraum zwischen der Außenhülle und den einzelnen Ummantelungen ausfüllt, umfasst.
  3. Vorrichtung nach Anspruch 2, in welcher die Seilstränge (7) aus einem Metall bestehen und mit einem Schmierfett oder Wachs überzogen sind, welches das Schmiermittel (8) bildet.
  4. Vorrichtung nach Anspruch 2, in welcher die Seilstränge (7) aus einem eingefetteten oder eingewachsten Metall bestehen und jeweils von einer ersten Ummantelung (19) aus Kunststoff umgeben sind, die ihrerseits, mit dem Schmiermittel (20) dazwischen, von einer einzelnen Ummantelung (21) aufgenommen wird.
  5. Vorrichtung nach einem der Ansprüche 2 bis 4, in welcher jede einzelne Ummantelung (25) Verdickungen (26) besitzt, die in Richtung des Hängegurts beabstandet sind.
  6. Vorrichtung nach einem der Ansprüche 2 bis 5, in welcher die Außenhülle (10) eine Innenseite besitzt, die senkrecht zu mindestens einigen der Schellen (13) mit Querreliefs (51; 61) versehen ist.
  7. Vorrichtung nach einem der vorhergehenden Ansprüche, in welcher die Hüllstruktur eine Außenhülle (10) umfasst, die eine Außenseite besitzt, die mit Querreliefs (41; 52; 62) senkrecht zu mindestens einigen der Schellen (13) versehen ist, die ihrerseits mit komplementären Reliefs (42; 53; 63) versehen sind, um in die Außenhülle einzugreifen.
  8. Vorrichtung nach Anspruch 6 oder 7, in welcher die Außenhülle (10) senkrecht zu den Schellen (13) Abschnitte (40; 50; 60) umfasst, die mit Querreliefs (41; 51, 52; 61, 62) versehen und mit glatten Abschnitten (30) verschweißt sind, die sich zwischen den Schellen erstrecken.
EP99400844A 1998-04-10 1999-04-07 Aufhängevorrichtung für Bauwerke Expired - Lifetime EP0950762B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00100022A EP0990735A1 (de) 1998-04-10 1999-04-07 Verfahren zur Herstellung von Kabeln für Bauwerke, auf diese Weise hergestellte Kabel und individuell umhüllte Litze zur Durchführung des Verfahrens

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9804566 1998-04-10
FR9804566A FR2777296B1 (fr) 1998-04-10 1998-04-10 Dispositif de suspension pour un ouvrage de construction

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP00100022A Division EP0990735A1 (de) 1998-04-10 1999-04-07 Verfahren zur Herstellung von Kabeln für Bauwerke, auf diese Weise hergestellte Kabel und individuell umhüllte Litze zur Durchführung des Verfahrens

Publications (2)

Publication Number Publication Date
EP0950762A1 EP0950762A1 (de) 1999-10-20
EP0950762B1 true EP0950762B1 (de) 2003-10-22

Family

ID=9525157

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99400844A Expired - Lifetime EP0950762B1 (de) 1998-04-10 1999-04-07 Aufhängevorrichtung für Bauwerke
EP00100022A Withdrawn EP0990735A1 (de) 1998-04-10 1999-04-07 Verfahren zur Herstellung von Kabeln für Bauwerke, auf diese Weise hergestellte Kabel und individuell umhüllte Litze zur Durchführung des Verfahrens

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP00100022A Withdrawn EP0990735A1 (de) 1998-04-10 1999-04-07 Verfahren zur Herstellung von Kabeln für Bauwerke, auf diese Weise hergestellte Kabel und individuell umhüllte Litze zur Durchführung des Verfahrens

Country Status (9)

Country Link
EP (2) EP0950762B1 (de)
JP (2) JP3828309B2 (de)
AT (1) ATE252666T1 (de)
DE (1) DE69912180T2 (de)
DK (1) DK0950762T3 (de)
ES (1) ES2209350T3 (de)
FR (1) FR2777296B1 (de)
NO (2) NO318325B1 (de)
PT (1) PT950762E (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2820765B1 (fr) * 2001-02-13 2003-04-11 Baudin Chateauneuf Collier de suspension comportant une tole mince
JP3653269B2 (ja) * 2003-07-31 2005-05-25 極東鋼弦コンクリート振興株式会社 緊張材定着装置
GB2415005B (en) * 2004-06-08 2006-05-03 Thomas John Upstone Suspension bridge cables
KR100792660B1 (ko) 2005-11-09 2008-01-09 심준기 합성케이블을 이용한 교량시공방법
GB2439736B (en) * 2006-07-01 2011-02-16 Thomas John Upstone Variable suspension bridge cables
JP5247272B2 (ja) * 2008-07-10 2013-07-24 新日鉄住金エンジニアリング株式会社 ケーブル接続構造及び連結金具
JP5294739B2 (ja) * 2008-07-10 2013-09-18 新日鉄住金エンジニアリング株式会社 連結金具
KR101649320B1 (ko) * 2008-12-26 2016-08-19 재단법인 포항산업과학연구원 Ｍｒ유체 케이블 및 그 시스템
KR101137474B1 (ko) * 2009-12-24 2012-04-20 재단법인 포항산업과학연구원 자기장 케이블 및 이를 이용한 진동 저감 구조
JP5830537B2 (ja) 2010-08-03 2015-12-09 ソレタンシュ フレシネＳｏｌｅｔａｎｃｈｅ Ｆｒｅｙｓｓｉｎｅｔ ストランド、構造用ケーブルおよび該ストランドを製造する方法
CN104389211A (zh) * 2014-11-25 2015-03-04 航宇救生装备有限公司 复合绳
CN107558370A (zh) * 2017-09-27 2018-01-09 柳州欧维姆机械股份有限公司 空间组合吊索

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR790494A (fr) * 1935-05-24 1935-11-21 Baudin B Dispositif d'immobilisation des têtes de suspentes dans les ponts suspendus
DE882410C (de) * 1941-09-21 1953-07-09 Eisen & Stahlind Ag Verschiebungssichere Seilschellenbefestigung an Tragkabeln von Haengebruecken
DE3737710A1 (de) * 1987-11-06 1989-05-18 Pfeifer Seil Hebetech Klemme fuer verdrillte paralleldrahtbuendel
FR2739112B1 (fr) 1995-09-26 1998-01-02 Freyssinet Int Stup Ouvrage de genie civil suspendu et son procede de construction
FR2739113B1 (fr) * 1995-09-26 1997-12-05 Freyssinet Int Stup Toron individuellement protege pour ouvrage de genie civil suspendu, ouvrage incluant de tels torons, et procede de fabrication
FR2744467B1 (fr) 1996-02-06 1998-04-03 Freyssinet Int Stup Dispositif de suspension pour ouvrage de genie civil et procede de construction

Also Published As

Publication number Publication date
EP0990735A1 (de) 2000-04-05
ES2209350T3 (es) 2004-06-16
JPH11323823A (ja) 1999-11-26
JP3828309B2 (ja) 2006-10-04
DE69912180T2 (de) 2004-07-29
NO318325B1 (no) 2005-03-07
FR2777296A1 (fr) 1999-10-15
NO991657L (no) 1999-10-11
NO991657D0 (no) 1999-04-08
DE69912180D1 (de) 2003-11-27
EP0950762A1 (de) 1999-10-20
FR2777296B1 (fr) 2000-06-16
NO20004346D0 (no) 2000-09-01
PT950762E (pt) 2004-03-31
DK0950762T3 (da) 2004-02-23
JP2001192988A (ja) 2001-07-17
ATE252666T1 (de) 2003-11-15
NO20004346L (no) 1999-10-11

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