EP0323285B2 - Perfectionnements aux ensembles constitués par un hauban et sa structure d'ancrage - Google Patents

Perfectionnements aux ensembles constitués par un hauban et sa structure d'ancrage Download PDF

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Publication number
EP0323285B2
EP0323285B2 EP88402934A EP88402934A EP0323285B2 EP 0323285 B2 EP0323285 B2 EP 0323285B2 EP 88402934 A EP88402934 A EP 88402934A EP 88402934 A EP88402934 A EP 88402934A EP 0323285 B2 EP0323285 B2 EP 0323285B2
Authority
EP
European Patent Office
Prior art keywords
strands
block
stay
chamber
perforated
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
EP88402934A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0323285B1 (fr
EP0323285A1 (fr
Inventor
Jean-Claude Percheron
Pierre Jartoux
Carlos De La Fuente
André Stouffs
Luc De Cordier
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.)
Sa Laboratoire De Cinematique Nv
Freyssinet International STUP SA
Original Assignee
Sa Laboratoire De Cinematique Nv
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9357159&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0323285(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sa Laboratoire De Cinematique Nv, Freyssinet International STUP SA filed Critical Sa Laboratoire De Cinematique Nv
Priority to AT88402934T priority Critical patent/ATE76139T1/de
Publication of EP0323285A1 publication Critical patent/EP0323285A1/fr
Publication of EP0323285B1 publication Critical patent/EP0323285B1/fr
Application granted granted Critical
Publication of EP0323285B2 publication Critical patent/EP0323285B2/fr
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
    • E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
    • 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
    • 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

Definitions

  • the invention relates to assemblies comprising on the one hand cables or shrouds having a high tensile strength and composed of a plurality of strands themselves constituted individually by sets of parallel or twisted metal wires and on the other hand anchoring structures for the ends of these shrouds.
  • the various constituent strands are generally brought together in a common protective envelope and linked together transversely by a protective binder which fills the intervals between the strands and the envelope.
  • This binder is generally a grout of injected cement hardened after injection.
  • the protective binder is a fatty or the like.
  • the aim sought by this other formula is to make possible the individual replacement of the strands.
  • the object of the invention is, above all, to remedy these drawbacks.
  • the invention includes, apart from these main provisions, certain other provisions which are preferably used at the same time and which will be more explicitly discussed below.
  • Figure 1 shows, upper half in schematic axial section and lower half in external view, the head of a shroud established according to the invention.
  • Figure 2 shows in axial section on a larger scale a terminal portion of a head similar to the previous one.
  • Figure 3 is an enlarged cross section of a guy like that cut along III-III, Figure 1.
  • Figure 4 is an enlarged cross section of one of the strands constituting said stay.
  • the shroud considered is composed of a plurality of individual strands 1.
  • the number of these strands is generally less than 100, preferably being between 15 and 70.
  • Each strand 1 is itself formed by a plurality of elementary wires 2, for example the number of 7 in the embodiment illustrated in FIG. 4.
  • wires can be parallel or twisted: in the latter case, the corresponding strands are generally designated by the name of "strands".
  • the wires 2 are for example made of drawn and galvanized steel.
  • All of these wires are surrounded by a protective sheath 3 which is able to protect them during their whole life against corrosion due to bad weather or other external aggressions, and in particular to humidity and handling.
  • This sheath is for example made of a plastic material, such as polyethylene or a polyamide, or a metal such as aluminum or stainless steel.
  • the sheath in question can also be constituted by any other desirable coating of the wire bundle 2, for example by an epoxy paint coated on it.
  • the intervals between the wires 2 and the sheath 3, if they exist, may or may not be filled with a protective substance 4 such as, for example, a resinous pitch of the epoxy type or a wax.
  • Each strand 1 is manufactured in the factory and it is available at the exit of this factory in the form of a site coil.
  • the thickness of the sheath 3 a value low enough to make possible the winding of the strand: if it is a metal, we give said thickness a value of the order of 1/10 of mm.
  • the sheathed strands 1 thus defined, all identical to each other, are autonomous and remain so throughout the life of the stay they constitute.
  • each jaw 5 has, on the one hand, a cylindrical internal bore suitable for contiguously surrounding the end of the strand to be anchored, and, on the other hand, a frustoconical external surface suitable for cooperating with a complementary housing hollowed out in an anchoring block 6.
  • This cable gland 8 comprises two transverse perforated plates 81, 82 between which is interposed a cushion 83 made of elastomeric or similar material, and means suitable for bringing the two plates closer together, which causes the cushion to swell while ensuring the desired seals.
  • Chamber A communicates by a channel 12 with a chamber B provided outside of block 6 and delimited by a cover 13 applied contiguously against this block, by tightening screws 14.
  • the assembly of the two chambers A and B is filled at the end of the anchoring of all the strands 1 on the block 6 with a grease or similar material having simultaneously the following properties: flexibility, weak adhesion with respect to the strands and their bare ends, protection of these ends against corrosion.
  • a ring 15 suitable for resting itself axially against an annular bearing 16 forming part of a structure 17 for anchoring the guy, structure such as a pylon top or a solid mass on the ground.
  • the portions, of stretched strands 1, which are arranged outside of the grease box A, B, can be parallel to each other and be directly exposed to the air.
  • the collar 19 can be easily disassembled, which makes it possible to separate the various strands 1 from each other, it is advantageously constituted by two half-shells which can be assembled and separated at will.
  • the bundle can be left in the open air or be itself protected by an envelope 20 of any desired nature and size, for example made of polyethylene.
  • each strand 1 and its environment are located at the level of the individual anchors (jaws 5 in the illustrated case): the other elements which are in contact with these strands are the furs 26 and 83 cushions.
  • Each strand can therefore be considered completely autonomous over its entire length and can be stretched or relaxed independently of its neighbors.
  • each strand 1 it may be useful to give the free ends 21 (FIG. 2) of these strands, which protrude beyond the anchoring members, a greater length. than that shown, to facilitate the taking of these ends.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Piles And Underground Anchors (AREA)
  • Bridges Or Land Bridges (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Cable Accessories (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Shutters For Cameras (AREA)
  • Jib Cranes (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Dental Preparations (AREA)
EP88402934A 1987-11-25 1988-11-23 Perfectionnements aux ensembles constitués par un hauban et sa structure d'ancrage Expired - Lifetime EP0323285B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88402934T ATE76139T1 (de) 1987-11-25 1988-11-23 Schraegseile und deren verankerung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8716354A FR2623551B1 (fr) 1987-11-25 1987-11-25 Perfectionnements aux haubans et a leurs composants
FR8716354 1987-11-25

Publications (3)

Publication Number Publication Date
EP0323285A1 EP0323285A1 (fr) 1989-07-05
EP0323285B1 EP0323285B1 (fr) 1992-05-13
EP0323285B2 true EP0323285B2 (fr) 1995-02-08

Family

ID=9357159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88402934A Expired - Lifetime EP0323285B2 (fr) 1987-11-25 1988-11-23 Perfectionnements aux ensembles constitués par un hauban et sa structure d'ancrage

Country Status (8)

Country Link
EP (1) EP0323285B2 (da)
AT (1) ATE76139T1 (da)
DE (1) DE3871113D1 (da)
DK (1) DK167540B1 (da)
ES (1) ES2030888T5 (da)
FR (1) FR2623551B1 (da)
HK (1) HK158096A (da)
NO (1) NO171738C (da)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19833332C1 (de) * 1998-07-24 1999-12-16 Dyckerhoff & Widmann Ag Korrosionsgeschütztes Stahlzugglied
DE20311950U1 (de) * 2003-08-02 2004-12-09 Dywidag-Systems International Gmbh Korrosionsgeschütztes Zugglied, insbesondere Spannglied für Spannbeton
US10889988B2 (en) 2013-08-01 2021-01-12 Dywidag-Systems International Gmbh Corrosion-protected tension member and plastically deformable disc of corrosion protection material for such a tension member

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656883B1 (fr) * 1990-01-11 1992-08-28 Freyssinet Int Stup Perfectionnements aux ponts a haubans et plus particulierement a leurs haubans, pylones et tabliers.
FR2660332B1 (fr) * 1990-04-02 1992-10-16 Freyssinet Int Stup Perfectionnements aux haubans et a leurs composants.
FR2684122B1 (fr) * 1991-11-26 1994-02-11 Freyssinet International Cie Dispositifs pour supprimer le mou des torons composant un cable de precontrainte.
DE4433832A1 (de) 1994-09-22 1996-03-28 Dyckerhoff & Widmann Ag Korrosionsgeschütztes Zugglied, vornehmlich Spannglied für Spannbeton ohne Verbund
DE4435744C2 (de) * 1994-10-06 1997-10-02 Dyckerhoff & Widmann Ag Verfahren zum Reinigen und Freilegen längenmäßig begrenzter Abschnitte von Litzen aus Stahldrähten
DE29504739U1 (de) * 1995-03-20 1995-05-18 Dyckerhoff & Widmann AG, 81902 München Korrosionsgeschütztes Zugglied, vornehmlich externes Spannglied für Spannbeton ohne Verbund
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
ES2153269B1 (es) * 1998-01-16 2001-09-01 Dragados Obras Y Proyectos Tit Sistema de montaje de cables autoprotegidos en el seno de tirantes con cabezales extremos de amarre.
FR2794484B1 (fr) 1999-06-03 2001-08-03 Freyssinet Int Stup Dispositif d'ancrage d'un cable de structure
FR2795755B1 (fr) * 1999-07-01 2001-08-24 Gtm Construction Cable de suspension pour pont suspendu
FR2798410B1 (fr) * 1999-09-15 2001-11-23 Freyssinet Int Stup Dispositif d'ancrage pour fixer un cable de structure a un element de construction
FR2817566B1 (fr) 2000-12-04 2003-02-07 Freyssinet Int Stup Toron individuellement protege, son utilisation dans la construction, et procede de fabrication
PT1227200E (pt) * 2001-01-29 2008-09-15 Vsl Int Ag Dispositivo para a ancoragem de uma extremidade de um estai a uma base
DE20205149U1 (de) * 2002-04-03 2002-07-04 DYWIDAG-Systems International GmbH, 85609 Aschheim Korrosionsgeschütztes Zugglied, insbesondere Schrägseil für eine Schrägseilbrücke
JP5567205B2 (ja) * 2010-03-26 2014-08-06 ファウ・エス・エル・インターナツイオナール・アクチエンゲゼルシヤフト 封止機構
FR2973818B1 (fr) * 2011-04-07 2017-06-02 Soletanche Freyssinet Procede et dispositif de protection de l'extremite d'un cable ancre
KR20140022402A (ko) * 2011-04-15 2014-02-24 소레탄체 프레씨네트 멀티-텐돈 케이블 단부 보호방법
US8925266B2 (en) 2011-04-15 2015-01-06 Soletanche Freyssinet Anchoring device for a multi-tendon cable
US9284700B2 (en) 2012-04-05 2016-03-15 Soletanche Freyssinet Seal for cable anchor device of a cable construction
GB2514621B (en) 2013-05-31 2020-04-15 Vsl Int Ag Cable anchorage
CN104314353B (zh) * 2014-11-11 2016-05-04 国网河北饶阳县供电公司 电力拉线护套及该护套的安装方法
CN105064617A (zh) * 2015-08-06 2015-11-18 江阴法尔胜住电新材料有限公司 一种钢绞线拉索的锚具密封结构
CN106400675B (zh) * 2016-08-31 2018-08-03 中交一公局第三工程有限公司 一种钢锚箱及其安装方法
CN107245940B (zh) * 2017-08-11 2023-07-25 广西路桥工程集团有限公司 一种钢管混凝土拱桥拱肋开孔密封装置及其密封方法
CN108360379B (zh) * 2018-01-08 2024-05-14 江苏法尔胜缆索有限公司 采用电化学保护热挤聚乙烯拉索用防腐、抗疲劳索夹结构
CN110258299B (zh) * 2019-06-28 2024-02-06 柳州欧维姆机械股份有限公司 带叉耳锥式抗滑键锚固钢绞线拉索及其施工方法
US11486143B2 (en) * 2020-03-26 2022-11-01 Felix Sorkin Intermediate anchor assembly
CN111894302A (zh) * 2020-08-17 2020-11-06 哈尔滨工业大学 一种拉索拆除装置及方法
CN114589462B (zh) * 2022-03-02 2023-08-01 柳州欧维姆机械股份有限公司 一种桥梁系杆拉索分丝器的制作方法

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DE336586C (de) * 1918-11-05 1921-05-09 Siemens Schuckertwerke G M B H Schottdurchfuehrung fuer Kabelbuendel u. dgl.
GB742737A (en) * 1953-05-12 1956-01-04 Donovan Henry Lee Improvements in and relating to bar gripping means for use in the production of prestressed concrete
BE794024A (fr) * 1972-01-21 1973-05-02 Brandestini Antonio Dispositif d'ancrage pour cables composes de brins
DE3048838A1 (de) * 1980-12-23 1982-07-08 Erik Groesen 8800 Aarhus Jensen Dichtungsvorrichtung
DE3225723A1 (de) * 1982-07-09 1984-01-12 Ed. Züblin AG, 7000 Stuttgart Kegelstumpffoermiger keil aus drei segmenten fuer spannstahllitzen
JPS59173712U (ja) * 1983-05-09 1984-11-20 株式会社　春本鐵工所 橋梁ケ−ブルのアンカ−ソケツト
CH662595A5 (de) * 1983-08-22 1987-10-15 Losinger Ag Verankerung von freischwingenden zugelementen aus stahl eines dynamisch beanspruchten bauteiles.
GB8327978D0 (en) * 1983-10-19 1983-11-23 Manuf Aceros Caucho Sa Cable anchorage
DE3339125A1 (de) * 1983-10-28 1985-05-15 Philipp Holzmann Ag, 6000 Frankfurt Zweiteilige keilverankerung fuer spannglieder und vorrichtung mit einer hydraulikpresse zur montage eines festankers aus einer solchen keilverankerung
JPS60154405U (ja) * 1984-03-26 1985-10-15 株式会社　春本鉄工所 橋梁ケ−ブルの外装材
DE3437107A1 (de) * 1984-10-10 1986-04-10 Dyckerhoff & Widmann AG, 8000 München Zugglied, insbesondere schraegseil fuer eine schraegseilbruecke
FR2575498B1 (fr) * 1984-12-27 1987-05-15 Sogelerg Dispositif d'ancrage de cables, notamment de haubans de ponts
FR2592666B1 (fr) * 1986-01-07 1988-03-11 Sogelerg Systeme de sustentation par cable souple a encastrement local, notamment pour pont a haubans
DE3644551C2 (de) * 1986-12-24 1994-12-08 Zueblin Ag Verankerung für ein verbundloses Spannglied
DE8716677U1 (de) * 1987-03-13 1988-02-11 Dyckerhoff & Widmann AG, 8000 München Korrosionsgeschütztes Zugglied, vornehmlich Spannglied für Spannbeton ohne Verbund
JP3231346B2 (ja) * 1991-03-05 2001-11-19 株式会社ソフィア パチンコ遊技機

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19833332C1 (de) * 1998-07-24 1999-12-16 Dyckerhoff & Widmann Ag Korrosionsgeschütztes Stahlzugglied
DE20311950U1 (de) * 2003-08-02 2004-12-09 Dywidag-Systems International Gmbh Korrosionsgeschütztes Zugglied, insbesondere Spannglied für Spannbeton
EP1505223A1 (de) 2003-08-02 2005-02-09 Dywidag-Systems International GmbH Korrosionsgeschütztes Zugglied, insbesondere Spannglied für Spannbeton
US10889988B2 (en) 2013-08-01 2021-01-12 Dywidag-Systems International Gmbh Corrosion-protected tension member and plastically deformable disc of corrosion protection material for such a tension member

Also Published As

Publication number Publication date
DK167540B1 (da) 1993-11-15
NO885238L (no) 1989-05-26
ATE76139T1 (de) 1992-05-15
DE3871113D1 (de) 1992-06-17
DK660988D0 (da) 1988-11-25
EP0323285B1 (fr) 1992-05-13
NO885238D0 (no) 1988-11-24
ES2030888T3 (es) 1992-11-16
EP0323285A1 (fr) 1989-07-05
FR2623551A1 (fr) 1989-05-26
HK158096A (en) 1996-08-30
NO171738B (no) 1993-01-18
DK660988A (da) 1989-05-26
NO171738C (no) 1993-04-28
FR2623551B1 (fr) 1992-04-24
ES2030888T5 (es) 1995-08-16

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