EP0073170A2 - Bogenförmiges Verbindungsstück zwischen zwei geradlinigen Teilen eines gezogenen Seils - Google Patents

Bogenförmiges Verbindungsstück zwischen zwei geradlinigen Teilen eines gezogenen Seils Download PDF

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Publication number
EP0073170A2
EP0073170A2 EP82401551A EP82401551A EP0073170A2 EP 0073170 A2 EP0073170 A2 EP 0073170A2 EP 82401551 A EP82401551 A EP 82401551A EP 82401551 A EP82401551 A EP 82401551A EP 0073170 A2 EP0073170 A2 EP 0073170A2
Authority
EP
European Patent Office
Prior art keywords
cable
strands
stretched
connection device
segment
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
EP82401551A
Other languages
English (en)
French (fr)
Other versions
EP0073170A3 (en
EP0073170B1 (de
Inventor
Antonio Dinis
Carlos De La Fuente
Paul Mondorf
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 AT82401551T priority Critical patent/ATE23596T1/de
Publication of EP0073170A2 publication Critical patent/EP0073170A2/de
Publication of EP0073170A3 publication Critical patent/EP0073170A3/fr
Application granted granted Critical
Publication of EP0073170B1 publication Critical patent/EP0073170B1/de
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
    • E01D19/14—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

Definitions

  • the present invention relates to a curved connection device between two rectilinear portions of a tensioned cable, device ensuring the continuity of the tension in the whole of the cable.
  • any relative movement of a cable strand relative to a solid with which it is in contact causes friction and, in the long run, a deterioration of this strand, resulting in a great reduction in the resistance to fatigue.
  • the curved connection device according to the invention prevents this kind of deterioration.
  • the device for connecting between two straight portions of a stretched cable, a device passing through a massive structure of work is characterized in that it transmits the tension from one of the cable portions to the other by a segment of cable whose strands, curved according to the desired curvature, are separated from each other and stretched, with a total tensile force at least equal to that of the more stretched of the two portions of cable, to ensure precompression of the portion of massive structure that these strands pass through.
  • a solid structural element having the configuration desired to receive the strands of the cable segment, is prefabricated and this element is directly prestressed by the strands of cable which it encloses.
  • an envelope of generally tubular shape in which the passages of the curvilinear strands of the cable are formed, is incorporated in the formwork of the structure and, after execution of the latter, the said strands are stretched and rendered secured to this structure by anchoring at their inlet and outlet ends, anchors supported on this tubular casing.
  • anchoring at their inlet and outlet ends, anchors supported on this tubular casing.
  • the tubular envelope may or may not be adherent to the structure in which it is positioned.
  • These flexible cylinders can be made of elastomers (solid or tubular) and can be extracted from the structural element to allow the accommodation of the curved strands. They can also be tubular and allow the passage of these strands. The channel allowing threading is injected after tensioning, the injection material advantageously being a cement grout. It is also possible to use strands individually coated with grease inside a plastic sheath, according to the technique known as "greased strands".
  • the anchoring of the curvilinear strands against the input and output faces of the structural element can be ensured by the connecting members with the strands of the straight parts of the cable, according to an arrangement of the type "prestressing reinforcement coupler".
  • a pylon A partially shown and intended to support a bridge by means of shrouds, comprises a superposition of curved channels B, only one of which is shown.
  • Each of these channels encloses a connection device C intended to ensure the continuity of the tension between two rectilinear and symmetrical portions of tensioned cable E 1 and E 2 each of which in this case is a stay cable for the bridge.
  • the device C comprises a curved tube 1 inside which are arranged, in an organized manner, cable strands 2 held in this arrangement (at least) by a succession of separators 3, which spacers 4 can, if necessary, hold in place at a predetermined distance.
  • the strands 2 for example strands or wires, can each be threaded into a tube 5, the set of tubes 5 being maintained in an arrangement organized by ligatures or preferably by the large diameter wrap tube 1.
  • the free spaces inside the tube 1 are filled with a solidifiable material 6 injected into this tube in the liquid state and which, solidified, is capable of elastic compression.
  • This material is advantageously a cement mortar.
  • the strands 2 are anchored in the blocks 8, in this case each formed from three thick disks 81, 82, 83 each of which comprises conical cavities 9 for anchoring one third of the number of strands 2; the discs, in which strands are not anchored, are crossed by them in cylindrical holes. It is known that such an arrangement of individual anchors reduces the diameter of the anchoring block by further limiting the deflection of the strands.
  • the set of three discs 81, 82, 83 is externally threaded to receive a sleeve 10 ensuring the connection with a similar anchoring block 8A which terminates each of the two rectilinear portions of cable stretched to be connected.
  • the assembly thus produced is equipped with filling nozzles and vents (not shown); it may further include seals 7 to allow it to be filled under pressure with the curable liquid material, intended to be compressed with the rest of the contents of the tube by tensioning the strands 2.
  • the strands 2 being bare, stretched and held in place in the tube 1 (suitably shaped) by separators 3, practically adjacent so as to have a regular curvature, to pour cement mortar in this tube so that that this mortar, once hardened, is compressed, as well as the tube 1, by the strands 2 released from their tensioning device.
  • the material 6 is injected before tensioning the strands and anchoring in the blocks 8.
  • the total tension imposed on the strands must be anyway be at least equal, and preferably greater, to the tension of the cable portions E 1 E 2 so that in service a prestress remains in the device.
  • connection device thus prepared can be simply applied against a curved support formed in a structure, for example a channel-shaped opening formed in a pylon, for the connection of two shrouds, or placed at the top of said pylon ( Figure 6).
  • the tube 1 can be provided in its central part with welded rings 12 (or other reliefs) to improve its connection with the concrete mass 13 of the pylon 17. Towards the ends, the tube 1 is separated from the concrete 13 by a layer of grease or by elastomer sleeves 14.
  • the tubel and its content can vary in length (by varying the tension of the strands and the compression of the tube and its contents) without affecting the A pylon.
  • the strands 2 enclosed in their individual tubes form a bundle held together by a helix 15 of metal wire.
  • the assembly is incorporated into the formwork of the pylon which is then concreted.
  • the strands 2 are then stretched and anchored, for example by means of plates or anchoring blocks, against the lateral faces of the pylon.
  • the prestress is no longer limited to the tubular envelope of the strands but gradually affects the interior of the mass of concrete 13.
  • the variations in tension of the rectilinear portions of cable thus connected do not cause any relative displacement d 'solid elements and, therefore, eliminate any external cause of fatigue deterioration of the cable and its accessories.
  • the strands 2 are arranged in a helix to compensate for their differences in length due to the curvature of the tube 1, in this case of rectangular section.
  • the tension of the strands 2 and their anchoring are carried out after setting and hardening of the concrete which fills the tube 1 and surrounds it.
  • the invention applies to all taut cables having inflections and subjected to uninterrupted tension. It is especially suitable for continuous pairs of stay cables for hanging a structure from one or more pylons.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Cable Accessories (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Communication Cables (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Flexible Shafts (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Ropes Or Cables (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
EP82401551A 1981-08-21 1982-08-18 Bogenförmiges Verbindungsstück zwischen zwei geradlinigen Teilen eines gezogenen Seils Expired EP0073170B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82401551T ATE23596T1 (de) 1981-08-21 1982-08-18 Bogenfoermiges verbindungsstueck zwischen zwei geradlinigen teilen eines gezogenen seils.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8116079A FR2511721A1 (fr) 1981-08-21 1981-08-21 Dispositif de raccordement incurve entre deux portions rectilignes d'un cable tendu
FR8116079 1981-08-21

Publications (3)

Publication Number Publication Date
EP0073170A2 true EP0073170A2 (de) 1983-03-02
EP0073170A3 EP0073170A3 (en) 1983-10-12
EP0073170B1 EP0073170B1 (de) 1986-11-12

Family

ID=9261601

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82401551A Expired EP0073170B1 (de) 1981-08-21 1982-08-18 Bogenförmiges Verbindungsstück zwischen zwei geradlinigen Teilen eines gezogenen Seils

Country Status (11)

Country Link
US (1) US4505081A (de)
EP (1) EP0073170B1 (de)
JP (1) JPS5844142A (de)
AT (1) ATE23596T1 (de)
BR (1) BR8204894A (de)
DE (1) DE3274275D1 (de)
DK (1) DK161604C (de)
ES (1) ES8307967A1 (de)
FR (1) FR2511721A1 (de)
IN (1) IN158246B (de)
NO (1) NO156575C (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567946A1 (fr) * 1984-07-20 1986-01-24 Freyssinet Int Stup Perfectionnements aux procedes et dispositifs pour cintrer localement les armatures de precontrainte
FR2588596A1 (fr) * 1985-10-10 1987-04-17 Freyssinet Int Stup Perfectionnements aux dispositifs de precontrainte du beton comportant des cables tendus sinueux et a leurs procedes de mise en oeuvre
FR2610656A1 (fr) * 1987-02-11 1988-08-12 Citra Dispositif pour guider les cables de precontrainte d'un ouvrage de genie civil
FR2642449A1 (fr) * 1989-01-31 1990-08-03 Freyssinet Int Stup Perfectionnements aux ponts a haubans et plus particulierement a leurs pylones et haubans
FR2656883A1 (fr) * 1990-01-11 1991-07-12 Freyssinet Int Stup Perfectionnements aux ponts a haubans et plus particulierement a leurs haubans, pylones et tabliers.
US5573852A (en) * 1989-04-12 1996-11-12 Vorspann-Technik Gesellschaft M.B.H. Tensioning bundles comprising a plurality of tensioning members such as stranded wires, rods or single wires
WO1997040241A1 (de) * 1996-04-22 1997-10-30 Pecon Ag Armierungsstab
WO2000036222A1 (de) * 1998-12-16 2000-06-22 Bilfinger + Berger Bauaktiengesellschaft Externes spannglied
WO2019020911A1 (fr) * 2017-07-28 2019-01-31 Soletanche Freyssinet Ensemble amélioré comprenant un câble de structure et une selle

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8422084U1 (it) * 1984-06-05 1985-12-05 Ponteggi Est Spa Testata di ancoraggio di accoppiamento per realizzazione di manufatti in calcestruzzo precompressi a cavi scorrevoli.
FR2606216A1 (fr) * 1986-10-30 1988-05-06 Elf Aquitaine Materiau a conduction ionique
DE3801451C2 (de) * 1987-10-15 1994-09-29 Dyckerhoff & Widmann Ag Korrosionsgeschütztes freies Zugglied, vornehmlich Spannglied für Spannbeton ohne Verbund
DE3734954A1 (de) * 1987-03-13 1988-04-07 Dyckerhoff & Widmann Ag Korrosionsgeschuetztes zugglied, vornehmlich spannglied fuer spannbeton ohne verbund und verfahren zu seinem einbau
US5019469A (en) * 1987-06-18 1991-05-28 Societe Nationale Elf Aquitaine Process for production of an electrochemical sub-assembly comprising an electrode and an electrolyte, and the sub-assembly obtained in this way
DE3819023A1 (de) * 1988-06-03 1989-12-07 Werner Zapf Bewehrungsanordnung fuer baukonstruktionen aus spannbeton
FR2663975B1 (fr) * 1990-06-29 1993-07-09 Freyssinet Int Stup Perfectionnements aux ponts a haubans et plus particulierement a leurs pylones et haubans.
US5231931A (en) * 1992-01-23 1993-08-03 J. Muller International Rapid transit viaduct system
FR2806107B1 (fr) * 2000-03-13 2002-10-11 Freyssinet Int Stup Selle de deviation pour cable et structure de genie civil comprenant une telle selle de deviation
US6327825B1 (en) * 2000-04-24 2001-12-11 Charles Pankow Builders Ltd. Method and apparatus for use in positioning high-strength cables within a precast moment resisting frame
US6588730B2 (en) * 2001-07-31 2003-07-08 Bill Hughes Method and apparatus for use in positioning high-strength cables within a precast, moment resisting frame
US6880193B2 (en) * 2002-04-02 2005-04-19 Figg Bridge Engineers, Inc. Cable-stay cradle system
JP4663563B2 (ja) * 2006-03-22 2011-04-06 独立行政法人鉄道建設・運輸施設整備支援機構 橋梁用サドル構造
CN101421463B (zh) * 2006-04-20 2011-09-07 Vsl国际股份公司 用于绞线的引导装置
CN106120557B (zh) * 2010-03-26 2019-04-02 Vsl国际股份公司 桥托架以及用于保护线股免于在桥托架中腐蚀的方法
BR112012023929B1 (pt) * 2010-03-26 2019-07-02 Vsl International Ag Travessão de ponte e método para proteger cordas de corrosão em um travessão de ponte
BR112012023677B1 (pt) * 2010-03-26 2022-03-15 Vsl International Ag Disposição de vedação para um elemento de construção e elemento de construção
WO2012024725A1 (en) * 2010-08-24 2012-03-01 Mark Ronald Sinclair System for anchoring a load
FR2968681B1 (fr) * 2010-12-08 2015-05-29 Soletanche Freyssinet Dispositif de deviation d'un cable de structure tel qu'un hauban, et ouvrage ainsi equipe
ES2402971B1 (es) * 2011-08-04 2014-08-07 Tecnicas Del Pretensado Y Servicios Auxiliares, S.L. Silla multitubo para puentes atirantados y extradorsados y procedimiento para su fabricación.
US8640292B1 (en) * 2012-05-21 2014-02-04 Felix L. Sorkin Deviator system for use in post-tension segmental concrete construction
EP2703331B1 (de) * 2012-09-03 2014-12-24 Soletanche Freyssinet Traktionssystem unter Verwendung eines mehrsehnigen Kabels mit einem Ablenkungswinkel
JP2015042844A (ja) * 2014-11-21 2015-03-05 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 撚線案内装置の改善
CN113431260A (zh) * 2021-06-30 2021-09-24 西藏藏建科技股份有限公司 一种基于钢绞线的大梁施工工艺
MX2024006330A (es) * 2021-11-24 2024-06-21 Felix Sorkin Soporte de mezcla de polímeros para puente atirantado.
PE20252188A1 (es) * 2022-10-31 2025-09-04 Vsl Int Ag Sistema de cable para un elemento estructural y de tension y metodo para reemplazar elementos de traccion y uso de los mismos

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA671697A (en) * 1963-10-08 Brandestini Antonio Wire bundle anchoring for concrete structures
DE5326C (de) * C. F. W. SALBACH in Berlin, Grofse Friedrich- j Strasse 79a Pelzgarnitur, welche Kragen, Muff, Ledertasche j und Portemonnaie in einem Stück enthält. i
FR1082708A (fr) * 1953-05-06 1954-12-31 Carl Brandt Procédé d'exécution du béton précontraint
DE1018607B (de) * 1954-05-03 1957-10-31 Holzmann Philipp Ag Verfahren und Einrichtungen zum Vermindern der Spannkraftverluste infolge Reibung der Spannglieder in Spannbetonkoerpern
GB859076A (en) * 1958-05-23 1961-01-18 Ernst Braunbock Method for making post-tensioned pre-stressed concrete structures, and structures so made
FR1230559A (fr) * 1959-03-31 1960-09-16 Entpr S Campenon Bernard Dispositifs accumulateurs de tension et leur application partieulière à la précontrainte d'ouvrages et de parties de constructions
CH370221A (de) * 1959-05-12 1963-06-30 Antonio Dipl Ing Brandestini Drahtbündel-Verankerung mit aufgestauchten Drahtenden für Spannbetonkonstruktionen
GB897351A (en) * 1960-03-04 1962-05-23 Stressed Concrete Design Ltd Cable locating device for pre-stressed structures
US3225499A (en) * 1962-07-02 1965-12-28 Jack P Kourkene Post tensioning concrete reinforcing wires
GB1066196A (en) * 1962-12-12 1967-04-19 Ernest Ramshaw Manson Hart Prestressed structures
US3422501A (en) * 1965-02-20 1969-01-21 Kimio Yoshimura End anchorage for prestressing steel strands for use in prestressed concrete structures
DE1658596A1 (de) * 1967-02-09 1970-02-19 Homberg Dr Ing Hellmut Schraegseilbruecke
US3449876A (en) * 1968-02-21 1969-06-17 George H Howlett Tendon anchorage
US3676968A (en) * 1970-06-01 1972-07-18 Campbell Res Corp Stressed concrete structures and method of making
FR2409354A1 (fr) * 1977-09-22 1979-06-15 Fuentes Albert Barre de beton ou de mortier precomprimee
DE2811759A1 (de) * 1978-03-17 1979-09-20 Philipp Dipl Ing Schreck Vorgespanntes stahlbetonseil und verfahren zur anwendung von vorgespannten stahlbetonseilen bei der herstellung einer haengebruecke

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567946A1 (fr) * 1984-07-20 1986-01-24 Freyssinet Int Stup Perfectionnements aux procedes et dispositifs pour cintrer localement les armatures de precontrainte
FR2588596A1 (fr) * 1985-10-10 1987-04-17 Freyssinet Int Stup Perfectionnements aux dispositifs de precontrainte du beton comportant des cables tendus sinueux et a leurs procedes de mise en oeuvre
EP0220113A1 (de) * 1985-10-10 1987-04-29 Freyssinet International (Stup) Vorspannvorrichtungen für Beton mit sinuskurvenförmigem Spannkabel und Verfahren zur Anwendung
FR2610656A1 (fr) * 1987-02-11 1988-08-12 Citra Dispositif pour guider les cables de precontrainte d'un ouvrage de genie civil
FR2642449A1 (fr) * 1989-01-31 1990-08-03 Freyssinet Int Stup Perfectionnements aux ponts a haubans et plus particulierement a leurs pylones et haubans
US5573852A (en) * 1989-04-12 1996-11-12 Vorspann-Technik Gesellschaft M.B.H. Tensioning bundles comprising a plurality of tensioning members such as stranded wires, rods or single wires
FR2656883A1 (fr) * 1990-01-11 1991-07-12 Freyssinet Int Stup Perfectionnements aux ponts a haubans et plus particulierement a leurs haubans, pylones et tabliers.
EP0437143A1 (de) * 1990-01-11 1991-07-17 Freyssinet International (Stup) Verbesserungen an Schrägseilbrücken und insbesondere an deren Seilen, Pfeilern und Fahrbahnen
WO1997040241A1 (de) * 1996-04-22 1997-10-30 Pecon Ag Armierungsstab
WO2000036222A1 (de) * 1998-12-16 2000-06-22 Bilfinger + Berger Bauaktiengesellschaft Externes spannglied
WO2019020911A1 (fr) * 2017-07-28 2019-01-31 Soletanche Freyssinet Ensemble amélioré comprenant un câble de structure et une selle
FR3069555A1 (fr) * 2017-07-28 2019-02-01 Soletanche Freyssinet Ensemble ameliore comprenant un cable de structure et un dispositif de deviation

Also Published As

Publication number Publication date
NO156575C (no) 1987-10-14
FR2511721A1 (fr) 1983-02-25
ES515021A0 (es) 1983-08-16
JPS5844142A (ja) 1983-03-15
DE3274275D1 (en) 1987-01-02
DK368982A (da) 1983-02-22
US4505081A (en) 1985-03-19
NO822852L (no) 1983-02-22
FR2511721B1 (de) 1984-04-13
ES8307967A1 (es) 1983-08-16
NO156575B (no) 1987-07-06
IN158246B (de) 1986-10-04
EP0073170A3 (en) 1983-10-12
DK161604C (da) 1992-02-24
ATE23596T1 (de) 1986-11-15
BR8204894A (pt) 1983-08-02
EP0073170B1 (de) 1986-11-12
DK161604B (da) 1991-07-22

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