EP1001089B1 - Système de haubanage - Google Patents

Système de haubanage Download PDF

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Publication number
EP1001089B1
EP1001089B1 EP98119471A EP98119471A EP1001089B1 EP 1001089 B1 EP1001089 B1 EP 1001089B1 EP 98119471 A EP98119471 A EP 98119471A EP 98119471 A EP98119471 A EP 98119471A EP 1001089 B1 EP1001089 B1 EP 1001089B1
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EP
European Patent Office
Prior art keywords
anchorage
anchoring
girder
steel
cable
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
EP98119471A
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German (de)
English (en)
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EP1001089A1 (fr
Inventor
Yincheng Hou
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Individual
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Individual
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Publication date
Priority to EP98119471A priority Critical patent/EP1001089B1/fr
Application filed by Individual filed Critical Individual
Priority to AT98119471T priority patent/ATE244794T1/de
Priority to DE69816303T priority patent/DE69816303D1/de
Priority to CN99117134.9A priority patent/CN1266928A/zh
Priority to CN99238963U priority patent/CN2412029Y/zh
Priority to CN99117135.7A priority patent/CN1266929A/zh
Priority to CN99238964U priority patent/CN2412028Y/zh
Publication of EP1001089A1 publication Critical patent/EP1001089A1/fr
Application granted granted Critical
Publication of EP1001089B1 publication Critical patent/EP1001089B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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

Definitions

  • the invention relates to the field of stay cable system for cable-stayed bridges.
  • Stay cable system consists basically of tendon member, protection member, the member of anchorage sockets as well as the member of cable-girder and cable-pylon attaching structures. These members relate and influence with each other.
  • Stay cables normally govern the useful life and construction progress of cable-stayed bridges with the following factors: resistance to fatigue loading and corrosion, ease of transportation and erection, allowance of inspecting as well as ability of eventual replacement.
  • the attaching structures influence the safety, economy and aesthetics of whole bridge sensitively by the reliability and compact of their arrangement.
  • DE 3 723 795 A discloses a stay cable system with all the features of the preamble of claim 1.
  • the tendons with parallel strands are more and more widely used in stay cable systems, because of their advantages of easy transportation and erection. But at present there are three serious problems in such kind of cable systems.
  • This invention will solve the entire Problem A, Problem B and Problem C at the same time.
  • Figure 1 illustrates the general layout of the novel stay cable system, which is exclusively for the tendons with parallel strands (I) covered by a sheath pipe (Ib).
  • the system comprises five parts:
  • Part 1 novel arrangement of anchorage holes.
  • monostrand anchored holes on anchor head are normally arranged with odd number (for example 61).
  • monostrand anchored holes on main anchor head (1) are always arranged with even number (for example 60), and are separated into two symmetrical groups (1a and 1b).
  • those two groups of strand can easily pass through the I-girder (II) along both side of girder web respectively keeping axes of cable and girder web in a same plane then can reliably be anchored in a main anchor head (1) under the bottom of the girder (II).
  • the strands (Ia) outside main anchorage socket do not be cut off after the final jacking, for it will be convenient for eventual individual strand replacement and the strands will be under protecting of dehumidification system (see Part 5).
  • Part 2 novel double half-cylindrical auxiliary anchorage sockets.
  • auxiliary anchorage socket works for traffic load only, its construction ought and can be calmly arranged after the final cable force adjustment Besides the fatigue resistant criterion, another design criterion for auxiliary anchorage sockets is that strands must be individually anchored in the sockets to ensure the possibility of individual strand replacement. Two types of auxiliary anchorage socket are created for selecting.
  • Part 3 - novel anchoring tie beam in pylon Part 3 - novel anchoring tie beam in pylon.
  • anchoring tie beams in pylon (III) can be simplified to the most economical type of I-beam (3), web and stiffening plates of which are also signed with (IIa) (IIb) respectively as in I-girder.
  • the structures mentioned in Part 1 and Part 2 are valid in Part 3.
  • Tie beam with I-section can be extensively used for inclined cable plane by the helping of tie bars (3a) (see Figure 6). Advantages of the structure are:
  • Part 4 novel steel anchoring bed.
  • the conventional anchoring bed can be replaced by a novel steel anchoring bed (4), web and stiffening plates of which are also signed with (IIa) (IIb) respectively as in I-girder (see Figure 8).
  • the structures mentioned in Part 1 and Part 2 are valid in Part 4.
  • Two dry air transmission pipes (5b) are erected from the main anchorage plate (4a) in pylon (III) to the cells enclosed by stiffening plates (IIb) and cover plates (IIc) at the bottom of girder (II or IId) and connected to a dehumidification plant (5g), which is installed inside anchoring room at pylon top, by the dry air entrances (5a).
  • a dehumidification plant (5g) works, air circulates within the whole hollow part of cable.
  • Dry air is blown into the transmission pipes (5b) through dry air entrances (5a), then separates out of dry air exits (5c) mainly at the bottom of sheath pipe (Ib), partly at the guide pipes (Ic) and cells enclosed by stiffening plates (IIb) and cover plates (IIc).
  • wet air is exhausted out of cable to the plant (5g) through vent holes (5d), vent pipes (5e), which pass through the positioners (Id) of strands (I) in guide pipe (Ic), and wet air exits (5f).
  • Such operation offers to one cable after another with certain hours per day or per couple of days for each cable. Similar operation offers also to anchoring room in pylon by dry air exit (5o) and wet air entrance (5p) of the plant (5g) at regular intervals to protect the strands (Ia) outside main anchorage socket (see Part 1 also).
  • strand sample (5k) and humidity measuring point (5i) are arranged in the cells enclosed by stiffening plates (IIb) and cover plates (IIc) at the bottom of girder (II or IId), while strand sample (5l) and humidity measuring point (5h) are arranged in the similar cells in pylon (III) respectively.
  • Strand sample (5k) and/or strand sample (5l) can be checked and tested in laboratory, when necessary. Similar checking and testing can be arranged for sample (5n) of the strands (Ia) outside main anchorage socket.
  • Humidity measuring point (5h) can be connected to the automatic control system of dehumidification plant (5g), if necessary. If there is water inside hollow part of cable, it will flow down through drainage holes (5j) and can be pumped out through the drainage valve (5m).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Jib Cranes (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Flexible Shafts (AREA)

Claims (4)

  1. Un système de haubanage exclusivement pour les tendons avec des torons parallèles (I) couverts par une tube de couverture (Ib) que contient un système de protection, comprenant des entrées d'air sec (5a), des tuyaux de transmission d'air sec (5b), des sorties d'air sec (5c), des trous de ventilation (5d), des tuyaux de ventilation (5e), des sorties d'air humide (5f), une machine de déshumidification (5g), ainsi que quelques autres facilitées pour résumer, mesurer, contrôler et tester, qu'assurent les torons dans une condition observable, contrôlable et assez protégée, ledit système de haubanage est caractérisé aussi par:
    Un bloc d'ancrage principal (1), dans lequel les tuyaux d'ancrage sont divisés en deux groupes symétriques, que puissent être arrangé sous la poutre d'acier I ou des autres poutres, de sorte que l'axe de câble et le plan principal de la poutre abdomen coïncident. Dans le pylône espace d'ancrage, les torons (la) en dehors du bloc d'ancrage principal ne sont pas coupés après le vérin final, car le remplacement de toron individuel et les torons seront sous la protection du ledit système de déshumidification,
    Des blocs d'ancrage auxiliaires, à moitié cylindrique et double (2) que puissent être arrangé en les deux côtés du tissu (web) en poutre d'acier I (II), en ancrer la poutre de bandage (3) ou en ancrage fond d'acier. Basé sur l'aide des blocs d'ancrage auxiliaires, lesdits à moitié cylindrique et double (2), les coins ordinaires peuvent être utilisés sûrement dans le bloc d'ancrage principal,
    L'ancrage des poutres de bandage (3) avec section I que peut être arrangé en pylône (III) pour faciliter l'arrangement des blocs d'ancrage auxiliaires et pour étendre l'utilisation du plan de câble verticale au plan de câble incliné avec l'aide des bandages tringles (3a),
    Un ancrage fond de l'acier (4) avec plaque et tissu renforcé, que facilitent l'arrangement des blocs d'ancrage auxiliaires en pylône (III) aussi bien que sous les poutres (IId) autres que la poutre d'acier I (II), afin de tenir des axes de câble et tissu dans un même plan.
  2. Un système de haubanage suivant la revendication 1, caractérisé par une division des trous d'ancrage dans le bloc d'ancrage principal en deux groupes symétriques. La distance centrale minimale (Dg) entre les deux groupes des trous est la même comme la grosseur du tissu (IIa) en poutre d'acier I (II), en bandage poutre d'acier (3) avec section I ou en ancrage fond d'acier (4) + diamètre (Dh) du trou d'ancrage torons (2c, 2d) en blocs d'ancrage auxiliaires (2a, 2b) + deux fois la grosseur (At) du mur intérieur des blocs d'ancrage auxiliaires (2a, 2b), pour faciliter l'arrangement du bloc d'ancrage auxiliaire, à moitié cylindrique et double (2).
  3. Un système de haubanage suivant la revendication 1, caractérisé en ce que le bloc d'ancrage auxiliaire, à moitié cylindrique et double peut résister fatigue chargement. Deux types de blocs d'ancrage auxiliaires sont créés pour sélection. Dans le bloc d'ancrage auxiliaire du premier type, les torons (I) sont ancrés individuellement par des coins auxiliaires (2j), que peut être débloqué quand le remplacement du toron individuel s'est accompli, sans blessure et concentration de stress. Dans les trous coniques du bloc d'ancrage de seconde type, les torons (I) sont rattachés par époxy, poudre de zinc et un mélange de sable quartz (2q), que se puissent être dissous par chauffage quand le remplacement du toron individuel s'est accompli.
  4. Un système de haubanage suivant la revendication 1, caractérisé en ce que le système de protection de câble comprend ensuite des autres facilités pour résumer, mesurer, contrôler et tester. Ces facilités sont : les points de mesurer l'humidité (5h, 5i), les trous de vidanger (5j), les échantillons pour contrôler et tester les torons (5k, 5l), complété avec une valve de vidanger (5m). Les membres similaires, la sortie d'air sec (5o) et l'entrée d'air humide (5p) de la machine de déshumidification (5g), ainsi que le point de mesurer l'humidité (5n) sont outillés pour protéger les torons en dehors du bloc d'ancrage principal. Quand les entrées d'air sec, les tubes de transmission d'air sec, les sorties d'air sec, les trous de ventilation, les tubes de ventilation, les sorties d'air humide, la machine de déshumidification, et la sortie d'air sec et l'entrée d'air sec de la machine de déshumidification (5a - 5g, 5o, 5p) marchent, l'air circule dans toutes les parties creuses du câble et le pylône espace d'ancrage, et la circulation d'air est inspectée et contrôlée par lesdites facilitées (5h - 5n).
EP98119471A 1998-10-15 1998-10-15 Système de haubanage Expired - Lifetime EP1001089B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT98119471T ATE244794T1 (de) 1998-10-15 1998-10-15 Schrägseilsystem
DE69816303T DE69816303D1 (de) 1998-10-15 1998-10-15 Schrägseilsystem
EP98119471A EP1001089B1 (fr) 1998-10-15 1998-10-15 Système de haubanage
CN99238963U CN2412029Y (zh) 1998-10-15 1999-10-12 一种桥梁拉索防护装置
CN99117134.9A CN1266928A (zh) 1998-10-15 1999-10-12 一种拉索防护装置
CN99117135.7A CN1266929A (zh) 1998-10-15 1999-10-12 一种桥梁拉索体系
CN99238964U CN2412028Y (zh) 1998-10-15 1999-10-12 一种桥梁拉索结构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98119471A EP1001089B1 (fr) 1998-10-15 1998-10-15 Système de haubanage

Publications (2)

Publication Number Publication Date
EP1001089A1 EP1001089A1 (fr) 2000-05-17
EP1001089B1 true EP1001089B1 (fr) 2003-07-09

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Family Applications (1)

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EP98119471A Expired - Lifetime EP1001089B1 (fr) 1998-10-15 1998-10-15 Système de haubanage

Country Status (4)

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EP (1) EP1001089B1 (fr)
CN (4) CN1266928A (fr)
AT (1) ATE244794T1 (fr)
DE (1) DE69816303D1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1435413A1 (fr) 2002-12-30 2004-07-07 Yincheng Hou Dispositif d'ancrage pour système de haubanage
AU2004324826B2 (en) * 2004-11-12 2009-09-24 Vsl International Ag Corrosion protection system for a construction including a stay cable
CN101672006B (zh) * 2009-09-25 2012-12-12 威胜利工程有限公司 斜拉索
CN101775781B (zh) * 2010-01-09 2012-08-15 深圳中建院建筑科技有限公司 一种长效建筑拉索
CN102704396A (zh) * 2012-06-27 2012-10-03 四川天元机械工程股份有限公司 一种悬索桥主缆锚固方法
CN103437284B (zh) * 2012-11-14 2016-12-21 中铁九桥工程有限公司 一种平行四边形截面杆件锚箱定位方法
CN102979034A (zh) * 2012-12-05 2013-03-20 江苏法尔胜缆索有限公司 采用干空气除湿并能监控索体湿度的平行钢丝拉索体系
CN103074851A (zh) * 2012-12-21 2013-05-01 柳州欧维姆机械股份有限公司 夹片式复合型锚固钢绞线成品索及其制作方法
CN103105256B (zh) * 2013-01-29 2015-08-19 葛洲坝集团第五工程有限公司 一种斜拉桥模型试验索力测试系统及方法
CN103981807B (zh) * 2014-05-30 2015-11-18 中建三局集团有限公司 一种无牛腿钢锚梁
CN104818674A (zh) * 2015-03-13 2015-08-05 中交公路规划设计院有限公司 一种悬索桥无粘结预应力锚固防腐的方法和结构
CN105256720A (zh) * 2015-09-17 2016-01-20 中铁大桥科学研究院有限公司 部分地锚平衡索斜拉桥
CN107034785A (zh) * 2017-05-24 2017-08-11 柳州欧维姆机械股份有限公司 一种可换式锚碇预应力锚固装置及其安装换索施工方法
CN107558352B (zh) * 2017-09-12 2023-07-25 柳州欧维姆机械股份有限公司 一种可单根换索的拱桥钢绞线吊杆及其安装施工方法
CN107794842B (zh) * 2017-10-20 2023-05-05 宁波大学 一种高性能耐久防腐拉索锚具及其施工方法
CN107988907A (zh) * 2017-12-27 2018-05-04 中铁第四勘察设计院集团有限公司 一种斜拉索与混凝土主梁的锚固装置
CN108842619A (zh) * 2018-06-14 2018-11-20 法尔胜泓昇集团有限公司 干空气除湿的拉索结构及其实现方法
CN108589530A (zh) * 2018-06-14 2018-09-28 法尔胜泓昇集团有限公司 干空气除湿的进气管结构及其实现方法
CN108691273B (zh) * 2018-06-22 2024-09-20 深圳市科兰德实业发展有限公司 钢绞线斜拉索
CN109295861B (zh) * 2018-11-14 2023-08-01 柳州欧维姆机械股份有限公司 一种锚箱式锚固结构拉索及其张拉施工方法
CN110259246B (zh) * 2019-06-27 2024-03-19 柳州欧维姆机械股份有限公司 一种风塔用钢绞线体外拉索结构体系及其制作安装方法
CN110725203A (zh) * 2019-11-18 2020-01-24 深圳市市政设计研究院有限公司 一种叉耳式吊杆锚固结构
CN111778852A (zh) * 2020-06-18 2020-10-16 中建三局第二建设工程有限责任公司 一种斜拉索除湿系统的安装方法
CN112523085B (zh) * 2020-12-01 2022-08-16 柳州欧维姆机械股份有限公司 一种带有功能元件的拉索护套管及其施工方法
CN113774790B (zh) * 2021-07-19 2023-04-07 重庆万桥交通科技发展有限公司 一种斜拉桥防腐缆索
CN115110418A (zh) * 2022-06-30 2022-09-27 中铁二十局集团第三工程有限公司 跨海大桥主塔结构及其施工方法
CN115977260A (zh) * 2022-10-31 2023-04-18 中冶(上海)钢结构科技有限公司 用于斜拉索结构的l形耳板式锚固连接装置及其使用方式

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3723795A1 (de) * 1987-06-11 1988-12-29 Wolfgang Dipl Ing Borelly Korrosionsschutz fuer ein aus staehlernen seilen oder paralleldraht- oder -litzenbuendeln bestehendes zugglied

Also Published As

Publication number Publication date
CN1266929A (zh) 2000-09-20
ATE244794T1 (de) 2003-07-15
CN2412028Y (zh) 2000-12-27
EP1001089A1 (fr) 2000-05-17
DE69816303D1 (de) 2003-08-14
CN2412029Y (zh) 2000-12-27
CN1266928A (zh) 2000-09-20

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