EP0329516B1 - Vorrichtungen zum Anschluss eines Schrägseiles an eine Brückenfahrbahn aus Beton und damit ausgestattete Brücke - Google Patents

Vorrichtungen zum Anschluss eines Schrägseiles an eine Brückenfahrbahn aus Beton und damit ausgestattete Brücke Download PDF

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Publication number
EP0329516B1
EP0329516B1 EP89400311A EP89400311A EP0329516B1 EP 0329516 B1 EP0329516 B1 EP 0329516B1 EP 89400311 A EP89400311 A EP 89400311A EP 89400311 A EP89400311 A EP 89400311A EP 0329516 B1 EP0329516 B1 EP 0329516B1
Authority
EP
European Patent Office
Prior art keywords
deck
plate
stay
cables
bridge
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
EP89400311A
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English (en)
French (fr)
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EP0329516A1 (de
Inventor
Jean Muller
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.)
Societe Centrale dEtudes et de Realisations Routieres Scetauroute
Original Assignee
Societe Centrale dEtudes et de Realisations Routieres Scetauroute
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Publication date
Application filed by Societe Centrale dEtudes et de Realisations Routieres Scetauroute filed Critical Societe Centrale dEtudes et de Realisations Routieres Scetauroute
Priority to AT89400311T priority Critical patent/ATE73186T1/de
Publication of EP0329516A1 publication Critical patent/EP0329516A1/de
Application granted granted Critical
Publication of EP0329516B1 publication Critical patent/EP0329516B1/de
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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

Definitions

  • the present invention relates to a device for attaching a stay cable to a concrete deck of a bridge, in particular a so-called "fan-shaped" cable-stayed bridge, in which a series of stay cables connects regularly spaced points. of the deck at the top of a support pylon.
  • the fixing of a shroud to the deck is done by providing that the shroud crosses the deck, generally at the level of a longitudinal member, to come to carry, on the opposite face of the deck, retaining means for ends, which bear on this underside of the deck.
  • the object of the present invention is to remedy this drawback, and to provide a fastening device which does not require modification of the reinforcement planes at the level of each attachment of the stay cable, and consequently allows a faster and less prone construction. at risk of errors.
  • the protrusion and / or the cavity have a shape of revolution around an axis perpendicular to the plane of the plate of the planar support surface, to allow the orientation of the device as a function of the direction of the shroud.
  • the projection contains the means for retaining one of said cables or prestressing tie rods.
  • the hooking means are provided to allow the stay to be maintained with a non-zero inclination relative to the plate.
  • said flat bearing surface of the deck is a horizontal surface, and that the cables or tie rods of prestressing cross the deck down to come to bear on a horizontal surface directed in the direction opposite of said apron.
  • the anchoring means are provided to allow the stay to be held in a plane parallel to that of the plate.
  • This second method is particularly advantageous if it is provided that the planar bearing surface of the deck is carried by one of the edges of the deck, and has with the vertical the same angle as the sheet of which the shroud which the device must maintain , and the cable or prestressing tie crosses the deck in a transverse direction and approximately horizontal as a whole.
  • the invention also provides a cable-stayed bridge equipped with devices as described above, and which has the particularity that the deck carries, at regular intervals, flat bearing surfaces, oriented parallel to each other, and these flat surfaces support supports hooking devices that hold cables with different directions from one to the other.
  • Figure 1 is an elevational view of a cable-stayed bridge to which the device according to the present invention can be adapted.
  • Figure 2 is a longitudinal section of a first embodiment of a device according to the invention.
  • Figure 3 is a section of the device of Figure 2 by a plane perpendicular to the stay.
  • Figure 4 is a view, in a longitudinal direction, of the device of Figure 2.
  • Figure 5 is a view, in a transverse direction, of a second embodiment of the attachment device according to the invention.
  • Figure 6 is a partial cross section of an apron comprising the device of Figure 5.
  • Figure 7 is a longitudinal section of the device in an inclined plane containing the shroud.
  • Figure 8 is a section of the device perpendicular to the direction of the stay.
  • Figure 1 shows a bridge, whose deck 1 rests at one end on abutments 2, and is supported by guy lines 3, which connect successive points of the deck with the top 4 of pylon 5 mounted on piers 6, which rest on the ground 7.
  • FIG. 2 a hooking device according to the invention is seen mounted on the upper, horizontal face of an apron 1.
  • the device comprises a plate 10, which carries at its lower part a frustoconical projection 11, which penetrates into a corresponding cavity of the upper face of the deck 1.
  • a plate 10 which carries at its lower part a frustoconical projection 11, which penetrates into a corresponding cavity of the upper face of the deck 1.
  • irons 12, 13, with cross-section T are fixed obliquely on said plate 11, their general direction making with the horizontal an angle equal to that of the shroud 3 that the device is intended to retain.
  • a hooking piece 14, welded to the irons 12 and 13, is crossed by the end of the stay 3, which bears on this piece 14 by means of an end piece 15.
  • Prestressing tie rods 16 pass through the whole 'thickness of the deck 11, and, thanks to screws 17, 18, strongly tighten the plate 10 against the deck.
  • the tensile forces exerted by the shroud 3 can be broken down into a vertical component, which is taken up by the tie rods 16, and a horizontal component, which is transmitted to the deck by the projection 11 and by the friction of the plate 10 against the surface.
  • horizontal support provided on the deck.
  • FIGS. 5 to 8 show another embodiment.
  • the deck has, on its outer edge, or shore, a bearing surface 20, oriented longitudinally, and a little oblique with respect to the vertical.
  • the bearing surface 20 is, on the whole, circular.
  • the deck 1 is relatively thin, it has an extra thickness 21 to receive this bearing surface.
  • the attachment device proper comprises a plate 22, of circular shape, which comes to bear on the surface 20, and carries, in its part facing the deck, a frustoconical projection 23 which is hollow and is housed in a cavity also frustoconical 24 provided in the center of the bearing surface 20.
  • the plate 22 On its face opposite to the projection 23, the plate 22 carries identical fittings 25, consisting of two flat bars arranged perpendicularly to the plate 20, and forming a kind yoke, between which is housed a support piece 26, against which carries an end piece 27 integral with the shroud 3.
  • the hollow projection 23 serves as a housing for the anchoring head of a prestressing cable 28, which penetrates inside the deck 1 by an oblique passage, perpendicular to the plane of the surface 20. This cable then bends to become horizontal and crosses the entire width of the deck, to be anchored on a similar device s located on the opposite bank of the deck.
  • the device to set up the shrouds, the device must be oriented by pivoting the plate around the axis of the cavity 24, until it is brought in the right direction.
  • the inclination of the surfaces 20 relative to the horizontal is that of all the shrouds of the same ply of cables which support the edge of the deck. It is therefore sufficient, during the construction of the bridge, to provide on the deck support surfaces 20 identical to each other, at the locations provided, and to orient each time the plate 22 in order to obtain perfect alignment of the hanging device with cables.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Road Signs Or Road Markings (AREA)

Claims (8)

1. Vorrichtung zum Verankern eines Schrägseiles (3) an einer Brückentafel (1) aus Beton, dadurch gekennzeichnet, daß sie aufweist:
- eine metallische Platte (10, 22) deren eine Stirnseite an einer ebenen Anlagefläche (20) der Tafel (1) anliegt, wobei diese Stirnfläche mindestens einen Vorsprung (11, 23) trägt, der in eine Ausnehmung (24) der Tafel eindringen kann, um eine relative Gleitbewegung zwischen der Platte und der ebenen Anlagefläche zu verhindern,
- Verankerungsmittel (14, 15; 26, 27) zum Verankern des Schrägseiles (3), wobei diese Mittel von Beschlägen (12, 13; 25) getragen werden, die mit derjenigen Stirnseite der Platte fest verbunden sind, die der an der Tafel anliegenden Stirnseite gegenüberliegt, sowie vorgespannte Kabel bzw. Zugelemente (16, 28), die die Platte (10, 22) in Anlage an der ebenen Anlagefläche der Tafel halten, wobei diese Kabel- bzw. Zugelemente an der Seite der Tafel (1) angreifen, die derjenigen gegenüberliegt, welche die besagte ebene Fläche trägt.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Vorsprung (11, 23) und/oder die Ausnehmung (24) eine rotationssymmetrische Form bezüglich einer Achse haben, die auf der Ebene der Platte bzw. der ebenen Anlagefläche senkrecht steht, um eine Ausrichtung der Vorrichtung in Abhängigkeit von der Richtung des Schrägseiles zu ermöglichen.
3. Vorrichtung nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß der Vorsprung (23) Haltemittel zum Halten eines vorgespannten Kabels bzw. Zugelementes (28) enthält.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Verankerungsmittel (12-15) vorgesehen sind, um das Schrägseil mit einer von Null verschiedenen Neigung bezüglich der Platte halten zu können.
5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die ebene Anlagefläche der Tafel eine horizontale Fläche ist und die vorgespannten Kabel bzw. Zugelemente (16) durch die Tafel hindurch nach unten verlaufen, um an einer entgegengesetzt zu der Tafel gerichteten horizontalen Fläche anzugreifen.
6. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Verankerungsmittel (25-27) vorgesehen sind, um das Schrägseil in einer Ebene halten zu können, die parallel zu derjenigen der Platte ist.
7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die ebene Anlagefläche (20) der Tafel von einem der Ränder der Tafel getragen wird und mit der Vertikalen den gleichen Winkel einschließt wie der Mantel, der Teil des zu haltenden Schrägseiles bildet, und daß das vorgespannte Kabel bzw. Zugelement (28) durch die Tafel hindurch in Querrichtung und insgesamt nahezu horizontal verläuft.
8. Schrägseilbrücke mit Vorrichtungen nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Tafel (1) in gleichmäßigen Abständen ebene Anschlagflächen trägt, die parallel zueinander ausgerichtet sind, wobei diese ebenen Anlageflächen die Verankerungsvorrichtungen abstützen, die die Kabel in unterschiedlichen Richtungen zueinander halten.
EP89400311A 1988-02-05 1989-02-03 Vorrichtungen zum Anschluss eines Schrägseiles an eine Brückenfahrbahn aus Beton und damit ausgestattete Brücke Expired - Lifetime EP0329516B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89400311T ATE73186T1 (de) 1988-02-05 1989-02-03 Vorrichtungen zum anschluss eines schraegseiles an eine brueckenfahrbahn aus beton und damit ausgestattete bruecke.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8801343 1988-02-05
FR8801343A FR2626910B1 (fr) 1988-02-05 1988-02-05 Dispositif d'accrochage d'un hauban sur un tablier en beton d'un pont, et pont equipe de tels dispositifs

Publications (2)

Publication Number Publication Date
EP0329516A1 EP0329516A1 (de) 1989-08-23
EP0329516B1 true EP0329516B1 (de) 1992-03-04

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Application Number Title Priority Date Filing Date
EP89400311A Expired - Lifetime EP0329516B1 (de) 1988-02-05 1989-02-03 Vorrichtungen zum Anschluss eines Schrägseiles an eine Brückenfahrbahn aus Beton und damit ausgestattete Brücke

Country Status (9)

Country Link
US (1) US5088142A (de)
EP (1) EP0329516B1 (de)
JP (1) JPH02503100A (de)
AT (1) ATE73186T1 (de)
DE (1) DE68900887D1 (de)
ES (1) ES2030278T3 (de)
FR (1) FR2626910B1 (de)
GR (1) GR3003968T3 (de)
WO (1) WO1989007174A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7101928B1 (en) * 1999-09-17 2006-09-05 Landec Corporation Polymeric thickeners for oil-containing compositions
KR20030000063A (ko) * 2001-06-22 2003-01-06 대림산업 주식회사 전단 마찰저항이 증가된 부착형 정착구 및 이의 설치방법
CN104264584B (zh) * 2014-10-14 2017-01-18 中铁二院工程集团有限责任公司 预应力混凝土斜拉桥梁顶组合式索梁锚固结构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414924A (en) * 1966-11-21 1968-12-10 Bethlehem Steel Corp Bridge suspender collar
US3491393A (en) * 1967-10-18 1970-01-27 Bethlehem Steel Corp Suspension bridge cable construction and support assembly
US3953980A (en) * 1975-01-13 1976-05-04 Floyd William Bennett Dock structure
DE3434620A1 (de) * 1984-09-21 1986-04-03 Dyckerhoff & Widmann AG, 8000 München Abstuetzung eines freien zugglieds, vorzugsweise eines schraegseils einer schraegseilbruecke
FR2592666B1 (fr) * 1986-01-07 1988-03-11 Sogelerg Systeme de sustentation par cable souple a encastrement local, notamment pour pont a haubans
FR2612963B1 (fr) * 1987-03-27 1991-07-26 Muller Jean Pont constitue d'un tablier et de moyens pour le supporter, notamment pont haubane de grande portee et son procede de construction
FR2629111B1 (fr) * 1988-03-25 1990-11-30 Muller Jean Tablier pour pont de grande longueur
FR2632805B1 (fr) * 1988-06-08 1990-08-24 Bull Sa Plaque de masquage de carte de circuits imprimes equipee et son procede de fabrication

Also Published As

Publication number Publication date
EP0329516A1 (de) 1989-08-23
DE68900887D1 (de) 1992-04-09
JPH02503100A (ja) 1990-09-27
ES2030278T3 (es) 1992-10-16
FR2626910B1 (fr) 1990-06-29
GR3003968T3 (de) 1993-03-16
ATE73186T1 (de) 1992-03-15
WO1989007174A1 (fr) 1989-08-10
US5088142A (en) 1992-02-18
FR2626910A1 (fr) 1989-08-11

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