EP0169276A1 - Procédé pour envelopper des câbles avec des gaines pour la protection contre la corrosion et/ou pour des raisons esthétiques - Google Patents

Procédé pour envelopper des câbles avec des gaines pour la protection contre la corrosion et/ou pour des raisons esthétiques Download PDF

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Publication number
EP0169276A1
EP0169276A1 EP84304934A EP84304934A EP0169276A1 EP 0169276 A1 EP0169276 A1 EP 0169276A1 EP 84304934 A EP84304934 A EP 84304934A EP 84304934 A EP84304934 A EP 84304934A EP 0169276 A1 EP0169276 A1 EP 0169276A1
Authority
EP
European Patent Office
Prior art keywords
cable
sheath
set forth
units
sheath unit
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
Application number
EP84304934A
Other languages
German (de)
English (en)
Other versions
EP0169276B1 (fr
Inventor
Yoshito Tanaka
Toshio Haraguchi
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.)
Kobelco Wire Co Ltd
Original Assignee
Shinko Wire Co Ltd
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
Priority to JP58015568A priority Critical patent/JPS6059350B2/ja
Application filed by Shinko Wire Co Ltd filed Critical Shinko Wire Co Ltd
Priority to EP19840304934 priority patent/EP0169276B1/fr
Priority to DE8484304934T priority patent/DE3470069D1/de
Publication of EP0169276A1 publication Critical patent/EP0169276A1/fr
Application granted granted Critical
Publication of EP0169276B1 publication Critical patent/EP0169276B1/fr
Expired 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D11/00—Suspension or cable-stayed bridges
    • E01D11/04—Cable-stayed bridges
    • 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
    • D07B2201/2089—Jackets or coverings comprising wrapped structures
    • 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

  • This invention relates to improvements in and relating to a method for fitting corrosion protective and/or aesthetic sheaths on tension members of suspension bridges, suspended roofs, cable.stayed bridges and the like.
  • the circumferential surfaces fo the tension members of this sort are usually covered with generally cylindrical sheaths for protection against corrosion.
  • corrosion protection sheaths are often found to be inconvenient since it becomes difficult to take up a tension member on a reel for storage or for other purposes once a sheath is fitted on the tension member. Therefore, it has been the conventional procedure to thread a tension member through cylindrical sheaths which are provided on scaffolds which are errected at suitable intervals along the tension member to be installed for protection against corrosion, or to fit sheaths on an installed cable by climbing on a scaffold which is provided along the entire length of the cable.
  • the conventional protection sheaths invariably require a scaffold or scaffolds for fitting them on a cable, and necessitate the building of scaffolds on a large scale for long cables, resulting in a high construction costs and an unduly long construction period.
  • the present invention aims to solve the above-mentioned problems or difficulties. It is a more specific object of the present invention to provide a method for covering tension members consisting of bundles of steel, wires, strands, wire ropes or high strength bars (hereinafter called "cables") with corrosion protection and/or aesthetic sheaths in a simplified manner, which does not require provision of a scaffold for fitting the corrosion protective sheaths on cables and which can realize siqnificant reductions of the cost and time of the cable installation.
  • tension members consisting of bundles of steel, wires, strands, wire ropes or high strength bars (hereinafter called “cables”) with corrosion protection and/or aesthetic sheaths in a simplified manner, which does not require provision of a scaffold for fitting the corrosion protective sheaths on cables and which can realize siqnificant reductions of the cost and time of the cable installation.
  • a method for fitting a generally cylindrical corrosion protective and/or aesthetic sheath on a cable comprising:
  • each corrosion protective and/or aesthetic sheath unit consists of a pair of split segments formed from a synthetic resin such as polyethylene or a metal such as copper, aluminium, stainless steel or the like, and is fitted on a cable such that the split segments are located in staggered positions along the axis of the cable.
  • a tension member 2 which consists of a bundle of steel wires, strands, wire ropes or high strength bars (hereinafter called “a cable”) tensioned between an upper end portion of a tower 10 and a beam 11 of the bridge.
  • a cylindrical protective sheath unit 3 of a predetermined length is fitted on the circumference of a lower end portion of the cable 2 immediately above the beam 11.
  • the sheath unit 3 consists of a couple of split segments 30 of a synthetic resin like polyethylene or a metallic material such as copper, aluminum, stainless steel or the like (see FIGURE 3). After fitting the split segments 30 on the cable 2, they are secured to each oth r by bolts, rivets, press-in fit or welding in such a manner as to hold the cable 2 from opposite sides.
  • the sheath unit 3 thus fitted on the cable 2 is shifted upwards along the cable by a distance corresponding to its length by pulling a rope which is passed around a pulley 12 at the upper end of the tower 10, and then a fresh protective sheath unit 3 is fitted on the cable 2 in the same manner.
  • the upper end of the lower or succeeding sheath unit 3 is fitted into the lower end of the preceding sheath unit 3, and the overlapped end portions of the two sheaths units 3 are fastened to each other by bolts or other suitable means. If desired, the connecting end portions of the preceding and succeeding sheath units may be secured to each other by butt welding.
  • the two connected sheath units 3 are slid upwards by pulling the rope 13 again, and another fresh protective sheath unit 3 is fitted on the cable 2 and connected to the lower end of the second unit 3. In this manner fresh protective and/or aesthetic sheath units are connected one after another until the cable 2 is covered with the sheath 3 over the entire length thereof.
  • each sheath unit 3 may be pushed up each time by a distance corresponding to their unit length, or alternatively the first sheath unit 3 may be fitted on the upper end of the cable 2 which is accessible from the top end portion of the tower 10, successively lowering the sheath units 3 along the cable 2 after fitting and connecting fresh sheath units 3 to the upper end of the preceding units 3.
  • each sheath unit may be constituted by three or more segments which can be assembled into a cylindrical shape with a number of pieces in the longitudinal direction, if desired, for fitting the same on the cable 2 by elastic deformation.
  • a sheath 3a of a desired length can be formed by spirally wrapping a rolled covering strip 31 around the circumference at one end of a cable 2 and fastening the overlapped portions of the covering strips 31 by rivets or other suitable means.
  • FIGURE 5 (A) it is also possible to 1ay one or a plurality of inflatable tubes 21 along the cable 2 as shown in FIGURE 5 (A), inflating the tubes 21 by introducing a filler 22 thereinto as shown in FIGURES 5(B) and 5(C) until the tubes 21 completely support the sheath 3 on cable 2 to connect them integrally to each other.
  • the cable 2 may be temporarily held in a reduced diameter by compressing opposite end portions of the cable 2 with clamps 23 while the sheaths are fitted thereon as shown particularly in FIGURE 6(A), and removing the clamps 23 afterwards so that the cable 2 may be integrally connected to the sheath 3 by restoration of its normal diameter as shown in FIGURE 6 (B).
  • each end portions of the connected sheath unit is fitted on a pipe 15 of polyethlene, steel or the like which is retained in the socket 14, thereby preventing each end portion of the cable 2 being exposed to the weather and at the same time improving the corrosion resistance of each end portion of the cable 2 and its appearance.
  • a water drain hole 17 may be provided at the lower end of the sheath 3 at a position opposing a slant surface of the filler material 16 to drain water which might enter the sheath 3 through its riveted joints.
  • FIGURE 8 Shown in FIGURE 8 is another embodiment in which each end of the seath 3 is fitted in a trumpet sheath 18 which is provided on the anchorage attachment.
  • a space S between the upper end of the sheath and socket 14 thereby to absorb the difference in the thermal expansions and contractions as shown in FIGURES 7 and 8, or to provide an extensible joint in an intermediate portion of the sheath 3.
  • a corrosion resistant layer of the cable 2 being damaged due to sliding movements of the cable 2 within the sheath caused by thermal expansion or contraction. This can be suitably prevented by the provision of the above-mentioned cushioning material 20.
  • FIGURE 9 there is shown a further embodiment to the invention, in which the opposing semi-cylindrical segments of each sheath unit are connected in staggered positions along the length of the cable. More specifically, as illustrated in FIGURE 9, a segment 30 of a predetermined length and a segment 31 of a half length are fitted on the lower end of a cable 2 from opposite sides thereof and connected to each other to form an initial end of a sheath.
  • the long and short segments 30 and 31, which are aligned with each other at the upper ends but have their lower ends terminated at staggered positions in the longitudinal direction, have the longitudinal meeting edges fastened to each other by rivets 32 or other suitable fixing means such as bolts, screws, fit joints, slits or welding.
  • a bell-shaped split guide tube 33 is fitted on the cable 2 beforehand to connect thereto the alignment upper ends of the segments 30 and 31.
  • the connected sheath segments 30 and 31 are slid upward by pulling a rope 13, and a segment of the next sheath unit is fastened to the longitudinal edges of the lower half of the longer segment 3 contiguously to the lower end of the short segment 31.
  • the segments 30 and 30' of each sheath units are connected to each other and to a segment of a preceding or succeeding sheath unit in longitudinally staggered positions by rivets 32 or other fastening means which secure the longitudinal meeting edges of the respective segments.
  • the segments 30 and 30' of the succeeding sheath units are connected one after another at the lower end of the cable 2, while upwardly shifting the connected sheath units after connection of a single or a couple of fresh segments by a distance. corresponding to an increment in length of the connected sheath train. Since the segments 30 30' are connected to each other as well as to a staggered segment 30 and 30' of a longitudinally adjacent sheath unit, there is no necessity for fastening means for connecting the abutted ends of longitudinally adjacent sheath segments and therefore the connecting work can be simplified to a significant degree.
  • a hoop strap 35 with a backup material 36 such as silicon rubber, duplex adhesive tape or the like, fixing the hoop strap 35 in position by a caulking strip 37 or the like (FIGURE 9 and 10).
  • the hoop strap 35 can be omitted in case the opposing end portions of the adjacent sheath segments are so shaped as to be connected with each other by fitting engagement.
  • a cable grip 40 of a net- light- sock which is fitted around the segments 30 and 31 of the leading sheath unit, and has loops at its force end connected to the rope 13 so that the grip 40 is tightened to lift the sheath segments 30 and 31 as the rope 13 is wound up by a winch 14.
  • connection of fresh sheath segments and the upward shift of the connected sheath segments are repeated alternately until the segments 30 and 31 at the leading end reaches the upper end of.the cable 2, forming a continuous cylindrical sheath A over the entire length of the cable 2 as shown particularly in FIGURE 12.
  • the lower ends of the opposing sheath segments at the terminal end of the sheath A are compensated with each other by the use of a short segment 31 in the same manner as at the leading end of the sheath A, and the opposite ends of the sheath A are connected respectively to connecting pipes 22 on sockets 21 through the trumpet sheath 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Ropes Or Cables (AREA)
EP19840304934 1983-02-01 1984-07-19 Procédé pour envelopper des câbles avec des gaines pour la protection contre la corrosion et/ou pour des raisons esthétiques Expired EP0169276B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58015568A JPS6059350B2 (ja) 1983-02-01 1983-02-01 ケ−ブルの防食被覆方法
EP19840304934 EP0169276B1 (fr) 1983-02-01 1984-07-19 Procédé pour envelopper des câbles avec des gaines pour la protection contre la corrosion et/ou pour des raisons esthétiques
DE8484304934T DE3470069D1 (en) 1984-07-19 1984-07-19 Method for covering cables with sheaths for corrosion protection and/or aesthetic reasons

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58015568A JPS6059350B2 (ja) 1983-02-01 1983-02-01 ケ−ブルの防食被覆方法
EP19840304934 EP0169276B1 (fr) 1983-02-01 1984-07-19 Procédé pour envelopper des câbles avec des gaines pour la protection contre la corrosion et/ou pour des raisons esthétiques

Publications (2)

Publication Number Publication Date
EP0169276A1 true EP0169276A1 (fr) 1986-01-29
EP0169276B1 EP0169276B1 (fr) 1988-03-23

Family

ID=26093928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840304934 Expired EP0169276B1 (fr) 1983-02-01 1984-07-19 Procédé pour envelopper des câbles avec des gaines pour la protection contre la corrosion et/ou pour des raisons esthétiques

Country Status (2)

Country Link
EP (1) EP0169276B1 (fr)
JP (1) JPS6059350B2 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255573A1 (fr) * 1986-08-08 1988-02-10 Xaver Lipp Câble de tension et de support à gaine et procédé et dispositif pour fabriquer un tel câble
AU586340B2 (en) * 1986-06-23 1989-07-06 Ian Christopher Dettman Sterilization of ascorbates
GB2228020A (en) * 1988-12-29 1990-08-15 Bridon Plc Jackets for cables and the like
FR2660332A1 (fr) * 1990-04-02 1991-10-04 Freyssinet Int Stup Perfectionnements aux haubans et a leurs composants.
EP0654562A1 (fr) * 1993-11-22 1995-05-24 Freyssinet International Et Cie Perfectionnements aux procédés et dispositifs pour mettre en place des gaines discontinues sur des câbles et aux câbles ainsi gainés
EP1357229A1 (fr) * 2002-04-22 2003-10-29 VSL International AG Procédé pour empêcher des déplacements relatifs transversaux entre un tuyau et au moins un câble
EP1980667A2 (fr) 2007-04-14 2008-10-15 Dywidag-Systems International GmbH Elément de traction pour constructions et son procédé de fabrication
US20110302856A1 (en) * 2010-06-07 2011-12-15 Irvin Ebaugh Protection system for structural members such as cables
CN104064260A (zh) * 2013-03-22 2014-09-24 耐克森公司 电缆及包括所述电缆的列车
DE102017218479A1 (de) * 2017-10-16 2019-04-18 Dywidag-Systems International Gmbh Spanngliedschutzvorrichtung
WO2019086923A1 (fr) * 2017-11-03 2019-05-09 Soletanche Freyssinet Gaine pour câble structural d'un ouvrage de construction, procédés d'installation et de maintenance
WO2023135438A1 (fr) * 2022-01-14 2023-07-20 Soletanche Freyssinet Procédé et dispositif d'agencement d'un fourreau sur un câble de haubanage

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2849070B1 (fr) * 2002-12-18 2005-03-04 Freyssinet Int Stup Procede de montage d'un hauban
JP2007009526A (ja) * 2005-06-30 2007-01-18 Se Corp 保護管用スペーサ
JP5255516B2 (ja) * 2009-05-19 2013-08-07 本州四国連絡高速道路株式会社 ワイヤロープの防錆剤圧入方法及び装置
JP5826570B2 (ja) * 2010-11-12 2015-12-02 三井住友建設株式会社 既設橋梁の保護管補修方法およびその方法に使用される型枠材
JP6723805B2 (ja) * 2016-04-14 2020-07-15 神鋼鋼線工業株式会社 ケーブル制振用被覆材及びケーブルの制振性能付与方法
KR102617758B1 (ko) * 2017-02-03 2023-12-26 소레탄체 프레씨네트 내부 하우징이 있는 구조 케이블
CN113389131B (zh) * 2021-07-26 2023-03-07 刘顺民 一种三索桥

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB517620A (en) * 1938-07-30 1940-02-05 William Lindsay Hamilton Improvements in and relating to a catenary cable construction for suspension bridges
DE890355C (de) * 1950-10-29 1953-09-17 Karl Heinrich Dipl-Ing Seegers Ausfuetterung zwischen Kabelschellen und Tragkabeln von Haengebruecken
DE1290456B (de) * 1964-01-30 1969-03-06 Krupp Gmbh Tragkabel, insbesondere fuer Haenge- oder Schraegkabelbruecken

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB517620A (en) * 1938-07-30 1940-02-05 William Lindsay Hamilton Improvements in and relating to a catenary cable construction for suspension bridges
DE890355C (de) * 1950-10-29 1953-09-17 Karl Heinrich Dipl-Ing Seegers Ausfuetterung zwischen Kabelschellen und Tragkabeln von Haengebruecken
DE1290456B (de) * 1964-01-30 1969-03-06 Krupp Gmbh Tragkabel, insbesondere fuer Haenge- oder Schraegkabelbruecken

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU586340B2 (en) * 1986-06-23 1989-07-06 Ian Christopher Dettman Sterilization of ascorbates
EP0255573A1 (fr) * 1986-08-08 1988-02-10 Xaver Lipp Câble de tension et de support à gaine et procédé et dispositif pour fabriquer un tel câble
GB2228020A (en) * 1988-12-29 1990-08-15 Bridon Plc Jackets for cables and the like
GB2228020B (en) * 1988-12-29 1992-11-18 Bridon Plc Jackets for cables and the like
FR2660332A1 (fr) * 1990-04-02 1991-10-04 Freyssinet Int Stup Perfectionnements aux haubans et a leurs composants.
EP0654562A1 (fr) * 1993-11-22 1995-05-24 Freyssinet International Et Cie Perfectionnements aux procédés et dispositifs pour mettre en place des gaines discontinues sur des câbles et aux câbles ainsi gainés
FR2712900A1 (fr) * 1993-11-22 1995-06-02 Freyssinet Int Stup Perfectionnements aux procédés et dispositifs pour mettre en place des gaines discontinues sur des câbles et aux câbles ainsi gainés.
US5479671A (en) * 1993-11-22 1996-01-02 Freyssinet International Et Cie Methods and devices for installing discontinuous sheaths on cables and to cables thus sheathed
EP1357229A1 (fr) * 2002-04-22 2003-10-29 VSL International AG Procédé pour empêcher des déplacements relatifs transversaux entre un tuyau et au moins un câble
US7007430B2 (en) 2002-04-22 2006-03-07 Vsl International Ag Method for impeding transverse relative displacements of a pipe and at least one cable
CN100354476C (zh) * 2002-04-22 2007-12-12 Vsl国际股份公司 阻止管子和至少一缆索横向相对位移的方法
AU2003203770B2 (en) * 2002-04-22 2009-09-17 Vsl International Ag Method for impeding transverse relative displacements of a pipe and at least one cable
DE102007017697A1 (de) 2007-04-14 2008-10-23 Dywidag-Systems International Gmbh Zugglied für Bauwerke sowie Verfahren zu dessen Herstellung
EP1980667A2 (fr) 2007-04-14 2008-10-15 Dywidag-Systems International GmbH Elément de traction pour constructions et son procédé de fabrication
US7950093B2 (en) 2007-04-14 2011-05-31 Dywidag-Systems International Gmbh Tension member for structures and method for manufacturing the same
US20110302856A1 (en) * 2010-06-07 2011-12-15 Irvin Ebaugh Protection system for structural members such as cables
US8769882B2 (en) * 2010-06-07 2014-07-08 Hardwire, Llc Protection system for structural members such as cables
CN104064260A (zh) * 2013-03-22 2014-09-24 耐克森公司 电缆及包括所述电缆的列车
DE102017218479A1 (de) * 2017-10-16 2019-04-18 Dywidag-Systems International Gmbh Spanngliedschutzvorrichtung
US11473252B2 (en) 2017-10-16 2022-10-18 Dywidag-Systems International Gmbh Protection system for tension members
WO2019086923A1 (fr) * 2017-11-03 2019-05-09 Soletanche Freyssinet Gaine pour câble structural d'un ouvrage de construction, procédés d'installation et de maintenance
KR20200088361A (ko) * 2017-11-03 2020-07-22 소레탄체 프레씨네트 건설공사의 구조 케이블용 시스, 설치 및 유지 보수 방법
KR102458626B1 (ko) * 2017-11-03 2022-10-25 소레탄체 프레씨네트 토목 구조물의 구조 케이블용 시스, 설치 및 유지 보수 방법
US11686055B2 (en) 2017-11-03 2023-06-27 Soletanche Freyssinet Sheath for a structural cable of a construction work, methods of installation and maintenance
WO2023135438A1 (fr) * 2022-01-14 2023-07-20 Soletanche Freyssinet Procédé et dispositif d'agencement d'un fourreau sur un câble de haubanage

Also Published As

Publication number Publication date
EP0169276B1 (fr) 1988-03-23
JPS59144686A (ja) 1984-08-18
JPS6059350B2 (ja) 1985-12-24

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