EP0616079B1 - Perfectionnements aux procédés et dispositifs pour monter les haubans à torons multiples des ponts - Google Patents

Perfectionnements aux procédés et dispositifs pour monter les haubans à torons multiples des ponts Download PDF

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Publication number
EP0616079B1
EP0616079B1 EP94400572A EP94400572A EP0616079B1 EP 0616079 B1 EP0616079 B1 EP 0616079B1 EP 94400572 A EP94400572 A EP 94400572A EP 94400572 A EP94400572 A EP 94400572A EP 0616079 B1 EP0616079 B1 EP 0616079B1
Authority
EP
European Patent Office
Prior art keywords
strand
cage
strands
stay
carriage
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
EP94400572A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0616079A1 (fr
Inventor
Jérôme Stubler
Raymond Chastagnol
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
Publication of EP0616079A1 publication Critical patent/EP0616079A1/fr
Application granted granted Critical
Publication of EP0616079B1 publication Critical patent/EP0616079B1/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
    • E01D11/00—Suspension or cable-stayed bridges
    • 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
    • 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

Definitions

  • the invention relates to guy lines intended to equip guyed bridges by connecting the pylons of these bridges to their decks, guy wires constituted by multiple strands juxtaposed side by side, each of these strands being itself preferably of the "individually protected" type. , that is to say constituted by a bundle of parallel or twisted metal wires housed in a continuous sheath with the interposition of a protective product.
  • guy wires of the kind in question consists in pulling obliquely, in the direction of its axis, said guy cable previously manufactured, that is to say already composed of all of its constituent strands juxtaposed side by side. side, using a system like cable cars.
  • a carrier cable is stretched beforehand between a high point of the support pylon and the deck and a hooking member is rolled on this cable, by means of an appropriate undercarriage, to which the head or high end guy line.
  • the object of the invention is, above all, to remedy the various drawbacks of these various known techniques.
  • mounting devices of the kind in question they are essentially characterized in that they comprise a guide cage for the strands and the traction cable, composed of a succession of rigid stirrups connected together by cables, each bracket including an arch and an easily removable lower closing bar.
  • 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 of these drawings shows very schematically the general principle of mounting a guy line according to the invention.
  • Figure 2 shows in schematic perspective and on a larger scale a portion of the corresponding mounting device.
  • Figure 3 shows on an even larger scale a cross section of the same device.
  • Figure 4 also shows on a larger scale and in perspective view a component of this device.
  • FIG. 5 very schematically shows a particular phase of mounting guy lines, also in accordance with the invention.
  • Figure 6 schematically shows in plan a portion of a cable-stayed bridge under construction comprising a mounting device according to the invention.
  • Each of the shrouds 3 is constituted by a plurality of independent strands, that is to say that can be mounted and tensioned independently of each other and even, in some cases, replaced in isolation.
  • Each strand 3 may be constituted by a large wire, but it is preferably composed of a central core surrounded by a plurality of contiguous wires, generally six in number, wound helically around said core, each wire as well as the the core being advantageously surface protected, for example by galvanization, and the resulting twisted assembly itself being surrounded by a tight protective sheath, generally made of plastic, with possibly the interposition of a suitable protective binder such as petroleum wax.
  • a suitable protective binder such as petroleum wax.
  • the number of strands 4 making up the same stay 3 is several tens.
  • Each stirrup 5 is constituted by a hoop 7, the base of which is closed by a horizontal bar 8 that is easily removable.
  • the cables 6 are preferably three in number, then being attached to each arch 7, respectively at its apex C and at its two feet D and E.
  • the distance between the successive stirrups 5 is generally between 5 and 10 meters, so that each "cage" comprises several tens of stirrups.
  • the cage serves to contain, on the one hand, a traction cable 9 and, on the other hand, at least one wire and preferably two wires 10 and 11 suitable for serving as guide rails for at least one carriage 12.
  • Each stirrup 5 internally comprises, in the vicinity of each end of the bar 8 constituting its base, two tabs 13, 14 forming with the contiguous portions of the stirrup two eyelets with a constricted opening.
  • Each of these eyelets is crossed by one of the wires 10,11.
  • the carriage 12 is delimited laterally by two tubular rings 15 each traversed by one of the wires 10 and 11 and the arrangements and respective dimensions of these rings and of the above eyelets are such that the former can easily penetrate into the latter: the respective ranges of these rings and eyelets suitable for coming axially into contact have all desirable ramps (not shown) to make possible and facilitate the introduction of the former into the latter.
  • the carriage 12 is fixed at an intermediate point of the traction cable 9 and the head of at least one strand 4 is hooked on said carriage in an easily detachable manner, using appropriate means, for example by its clamping between the chassis of said carriage 12 and a jaw 19 screwed onto this chassis.
  • each strand 4 constituting the head of this strand, projects upwards beyond the carriage 12.
  • the head of at least one strand 4 is then hung on the carriages - the number of strands 4 considered being equal to two in the embodiment illustrated - or more precisely one end of at least one continuous cable unwound in particular from a reel 15 with a horizontal axis and capable of forming the desired strand after unwinding and cutting.
  • the rings 15 of the carriages then pass through the above-defined eyelets of the stirrups 5 and the drawn strands 4 successively pass through these stirrups 5 by sliding along their lower bars 8.
  • the carriage 12 continues to advance upwards, which continues the introduction of the head of the strand 4 into its anchoring jaw.
  • This anchoring has the effect of juxtaposing laterally each new strand 4 against the strand 4 1 previously put in place and tensioned, which is made possible by the fact that all the strands, including the first, are arranged inside the cage subsequently formed by the hoops 5.
  • the carriage 12 is then lowered back empty to the bottom of the cage, as well as the carriage 20, previously reassembled on its rails and re-attached to said cable.
  • the carriages are again hitched to the head of at least one new strand and it is put in place as for the previous ones, and so on until the last strand: the shroud is then completed.
  • the cage can then be recovered by sliding it along the finished stay towards the lower end of the latter, then by opening each stirrup lower by at least partial disassembly of its bar 8.
  • the carriage 12 is also used as above to hoist the first strand 4 ′ 1 to the vicinity of point A relating to the “preceding shroud”, but instead of anchoring the head of this strand at said level point A, it is anchored at the higher level of point A ', to which the new stay must be anchored.
  • This elevation does not pose a major problem, because the height A, A ′ is small and the weight of a single strand is relatively low.
  • the clearance in question of the cage out of the finished stay is made possible by the easy removable of the bars 8: when these bars are separated, or even separated, from the corresponding arches 7, these are open downwards and can therefore be released from the shroud which they overlap by simple lifting.
  • FIG. 6 another improvement has been illustrated applicable to a cable-stayed bridge for which the oblique stay cables which connect the deck 1 to one of the faces of a pylon 2 are not in the form of a longitudinal vertical sheet. single or two such parallel sheets, but in the form of two sheets N 1 and N 2 vertical or substantially vertical divergent from the pylon and forming together at least approximately a dihedral with a vertical axis and small opening.
  • the traction cable 9 is made to follow a closed circuit having the shape of an isosceles triangle AB 1 B 2 having two large equal sides AB 1 , AB 2 which extend respectively along the axes of the two shrouds to be manufactured and a small side B 1 B 2 lower horizontal perpendicular to the large dimension of the bridge and arranged at the level of its deck.
  • the vertices A, B 1 and B 2 are materialized by three pulleys 16, 17 1 and 17 2 .
  • An intermediate section of the cable 9 is wound on a control winch 18 mounted on the deck 1 and capable of working alternately in both directions.
  • the strands constituting the two shrouds to be manufactured extend respectively on the two sides AB 1 and AB 2 and there is available on each of these sides a light cage composed of stirrups and cables of the kind defined above. .
  • the two corresponding carriages - or "double carriages" - are designated respectively in FIG. 6 by the references 12 1 and 12 2 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
EP94400572A 1993-03-18 1994-03-16 Perfectionnements aux procédés et dispositifs pour monter les haubans à torons multiples des ponts Expired - Lifetime EP0616079B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9303146 1993-03-18
FR9303146A FR2702782B1 (fr) 1993-03-18 1993-03-18 Perfectionnements aux procédés et dispositifs pour monter les haubans à torons multiples des ponts.

Publications (2)

Publication Number Publication Date
EP0616079A1 EP0616079A1 (fr) 1994-09-21
EP0616079B1 true EP0616079B1 (fr) 1997-01-15

Family

ID=9445117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94400572A Expired - Lifetime EP0616079B1 (fr) 1993-03-18 1994-03-16 Perfectionnements aux procédés et dispositifs pour monter les haubans à torons multiples des ponts

Country Status (12)

Country Link
US (1) US5461743A (ko)
EP (1) EP0616079B1 (ko)
JP (1) JP3501170B2 (ko)
KR (1) KR940021836A (ko)
AT (1) ATE147813T1 (ko)
BR (1) BR9305229A (ko)
DE (1) DE69401448D1 (ko)
FR (1) FR2702782B1 (ko)
GR (1) GR3022373T3 (ko)
HK (1) HK1000352A1 (ko)
NO (1) NO940967L (ko)
TW (1) TW248579B (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006047563A1 (de) * 2006-10-07 2008-04-24 Plauen Stahl Technologie Gmbh Verfahren zum Austausch von vollverschlossenen Seilen von unter Verkehr stehenden Schrägseilbrücken in Stahl oder Verbundbauweise
CN103205933A (zh) * 2013-03-25 2013-07-17 河海大学 采用外加电流阴极保护的斜拉索索体

Families Citing this family (12)

* 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
FR2858987B1 (fr) * 2003-08-20 2006-02-17 Freyssinet Int Stup Procede de montage d'un hauban
FR2883376B1 (fr) 2005-03-17 2007-06-15 Fressinet Internat Stup Procede de detection de rupture au sein d'une structure et systeme pour la mise en oeuvre du procede
TWI310157B (en) 2006-02-23 2009-05-21 Asustek Comp Inc Method for changing booting source of a computer system and related backuping/restoring method thereof
US20100005733A1 (en) * 2008-07-11 2010-01-14 Anderson Jay L Fractionable Cement Veneer
MX2019001111A (es) 2016-07-27 2019-06-10 Soletanche Freyssinet Cable estructural con doble revestimiento.
CN106245530A (zh) * 2016-08-24 2016-12-21 广西长长路桥建设有限公司 一种万能杆件缆索吊装系统拆除工法
DE102016225416A1 (de) 2016-12-19 2018-06-21 Dywidag-Systems International Gmbh Verfahren zum Installieren eines Spannelements in einem Ankerblock, Halterung, insbesondere zur Durchführung des Verfahrens und Kombination einer Halterung mit einem Spannelement
KR102617758B1 (ko) 2017-02-03 2023-12-26 소레탄체 프레씨네트 내부 하우징이 있는 구조 케이블
CA3081489A1 (en) 2017-11-03 2019-05-09 Soletanche Freyssinet Sheath for a structural cable of a construction work, methods of installation and maintenance
CN112482227B (zh) * 2020-11-21 2022-03-04 安徽省路港工程有限责任公司 一种矮塔斜拉桥穿索系统及其方法
CN113529571B (zh) * 2021-07-26 2022-05-17 中铁一局集团(广州)建设工程有限公司 一种矮塔斜拉桥菱形分丝管索鞍定位装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626909A1 (fr) * 1988-02-05 1989-08-11 Muller Jean Pont haubane et son procede de construction
FR2661434B1 (fr) * 1990-04-25 1992-12-11 Scetauroute Pont comprenant un tablier et au moins deux pylones, et son procede de construction.
US5060332A (en) * 1990-06-21 1991-10-29 H. J. G. Mclean Limited Cable stayed bridge construction
FR2667885B1 (fr) * 1990-10-11 1993-01-08 Scetauroute Procede de construction d'un pont haubane forme d'un assemblage de voussoirs.
FR2673959B1 (fr) * 1991-03-12 1993-07-16 Freyssinet Int & Co Perfectionnements aux procedes et dispositifs pour donner des longueurs identiques aux differents brins constitutifs des haubans.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006047563A1 (de) * 2006-10-07 2008-04-24 Plauen Stahl Technologie Gmbh Verfahren zum Austausch von vollverschlossenen Seilen von unter Verkehr stehenden Schrägseilbrücken in Stahl oder Verbundbauweise
DE102006047563B4 (de) * 2006-10-07 2010-06-10 Steiner, Gerd Verfahren zum Austausch von vollverschlossenen Seilen von unter Verkehr stehenden Schrägseilbrücken in Stahl-oder Verbundbauweise
CN103205933A (zh) * 2013-03-25 2013-07-17 河海大学 采用外加电流阴极保护的斜拉索索体

Also Published As

Publication number Publication date
TW248579B (ko) 1995-06-01
JPH06299517A (ja) 1994-10-25
JP3501170B2 (ja) 2004-03-02
BR9305229A (pt) 1994-10-18
HK1000352A1 (en) 1998-03-06
DE69401448D1 (de) 1997-02-27
FR2702782B1 (fr) 1995-06-02
EP0616079A1 (fr) 1994-09-21
GR3022373T3 (en) 1997-04-30
US5461743A (en) 1995-10-31
NO940967L (no) 1994-09-19
FR2702782A1 (fr) 1994-09-23
KR940021836A (ko) 1994-10-19
ATE147813T1 (de) 1997-02-15
NO940967D0 (no) 1994-03-17

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