EP0053081A2 - Verfahren und Vorrichtung zum Vorbau eines Bauwerkabschnitts, insbesondere eines Brückenüberbauabschnitts, mit vorgefertigten Segmenten, unter Verwendung eines schrägseilverspannten Trägers - Google Patents

Verfahren und Vorrichtung zum Vorbau eines Bauwerkabschnitts, insbesondere eines Brückenüberbauabschnitts, mit vorgefertigten Segmenten, unter Verwendung eines schrägseilverspannten Trägers Download PDF

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Publication number
EP0053081A2
EP0053081A2 EP81401863A EP81401863A EP0053081A2 EP 0053081 A2 EP0053081 A2 EP 0053081A2 EP 81401863 A EP81401863 A EP 81401863A EP 81401863 A EP81401863 A EP 81401863A EP 0053081 A2 EP0053081 A2 EP 0053081A2
Authority
EP
European Patent Office
Prior art keywords
segments
support
phase
during
prestressing
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
EP81401863A
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English (en)
French (fr)
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EP0053081B1 (de
EP0053081A3 (en
Inventor
Pierre Richard
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.)
Bouygues SA
Original Assignee
Bouygues 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 Bouygues SA filed Critical Bouygues SA
Priority to AT81401863T priority Critical patent/ATE11163T1/de
Publication of EP0053081A2 publication Critical patent/EP0053081A2/de
Publication of EP0053081A3 publication Critical patent/EP0053081A3/fr
Application granted granted Critical
Publication of EP0053081B1 publication Critical patent/EP0053081B1/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
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
    • E01D21/10—Cantilevered erection
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/20—Concrete, stone or stone-like material
    • E01D2101/24—Concrete
    • E01D2101/26—Concrete reinforced
    • E01D2101/28—Concrete reinforced prestressed

Definitions

  • the invention relates to the installation of segments using a guyed beam, in particular for building a bridge.
  • the word "voussoir” should be considered here as designating a section of a structure, for example of the bridge deck, intended to be assembled with other similar sections to constitute the structure gradually.
  • An object of the present invention is to improve a process of this type so that it is possible to gradually pass the load of several segments from the beam to the deck at the same time as the implementation of the corresponding prestress.
  • a process which comprises a first phase during which the segments are suspended cantilevered to said beam and the part of the beam which is behind the front support is kept substantially immobile.
  • a second phase during which we soli darise the segments to said portion by carrying out a prestressing in the segments and said portion, and the weight of the segments to said portion is gradually transferred substantially simultaneously with the implementation of the prestressing, this being obtained by gradually authorizing a tilting of said part rear of the beam around the front support during said second phase.
  • the beam between its state before loading with the segments and the final state after complete transfer of the load to the deck has only undergone an overall tilting around the front support.
  • a guyed beam 5 so that this beam rests on two supports, namely a front support 6 and a rear support 7.
  • These two supports are generally supports on the deck but they can alternatively be supports independent of the deck, for example supports on the piers or on natural massifs.
  • the front support 6 is articulated so that the beam can tilt on this support.
  • Means for example trolleys, can slide along the beam to move the segments 1 to their final position.
  • the vousscirs are suspended from these means by cables.
  • Figures 2 to 5 are different longitudinal views of an embodiment according to the invention.
  • Figure 2 shows the region of the rear support 7;
  • Figures 3 and 4 respectively show the region of the front articulated support and the region of the front end of the beam;
  • Figure 5 is a view of a region of the beam, intermediate between that of Figure 3 and that of Figure 4, where is suspended a segment 1.
  • the rear support 7 is designed to be able to hold stationary, during the loading of the beam with the segments, the part of the beam which is behind the articulated support 6 and to be able to allow this tilting rear part, as the segments 1 are joined by the prestressing and constitute a beam itself becoming part of the deck which ensures the individual weight transfer of the segments to the new structure constituted by the deck 2 and its extension .
  • this rear support 7 is made by means of a jack or a set of jacks which act to control a controlled tilting of the rear part of the deck during the weight transfer phase from the segments to the deck.
  • FIG. 2 an embodiment of the rear support is shown for the example, assuming that, in this case, the support comprises a single jack 8.
  • the cylinder of the jack 8 is carried by a support 9, suspended from the rear part 5a of the beam by lines 10, and the rod of the jack 8 is under pressure against a plate 11 connected by cables 12 to a block 13 located at right of stack 3.
  • the segments to be placed are suspended from carriages mounted to slide on the beam and the carriages are moved along the beam until the segments are in the position assigned to them in the extension. of the apron.
  • Figure 5 shows a segment 1 during movement. It is suspended by cables 16 from carriages 17.
  • the segment must be pivoted by 90 ° to be brought into the service position (as shown in Figure 3).
  • a plurality of segments are thus routed part 5b of the beam where they are arranged one after the other.
  • the deformation of the beam is caused by the tensioning of the shrouds therefore by their elongation.
  • the rear support is in traction: it balances the overturning of the beam caused by the cantilever segments.
  • the shrouding is dimensioned so that under the action of the loading provided by the segments the vertical deformation of the front part of the beam is substantially linear.
  • the vertical deformations of the front part of the beam are very significant vis-à-vis the deformations on the one hand, of the cables connecting the beam to the segments and, on the other hand, of the deck itself under the combined action of its own weight and the prestressing of solidarity.
  • FIG 4 there is shown schematically all of the prestressing cylinders by a jack 18 which pulls a prestressing cable 19 through the segments shown in phantom.
  • a servo-control (automatic or manual) is created between the cylinder (s) of the rear support of the beam and the prestressing cylinder (s).
  • This control is shown diagrammatically in FIG. 6 (C) by a line 20 in broken lines.
  • the beam is not necessarily horizontal at the start and Figure 7 relates to an example in which the beam, at the start, is inclined upwards. We assumed that its overall rotation makes it take a final position where it is substantially horizontal.
  • the tilting of the cantilevered part is limited by means of a support and this support is removed at a given time from the second phase during which the prestressing is carried out.
  • a crutch 21 at its front end and the crutch is placed in abutment on the bridge or on a provisional support 22.
  • the additional segment or segments are brought.
  • the stand takes care of and relieves the laying beam.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
EP81401863A 1980-11-25 1981-11-24 Verfahren und Vorrichtung zum Vorbau eines Bauwerkabschnitts, insbesondere eines Brückenüberbauabschnitts, mit vorgefertigten Segmenten, unter Verwendung eines schrägseilverspannten Trägers Expired EP0053081B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81401863T ATE11163T1 (de) 1980-11-25 1981-11-24 Verfahren und vorrichtung zum vorbau eines bauwerkabschnitts, insbesondere eines brueckenueberbauabschnitts, mit vorgefertigten segmenten, unter verwendung eines schraegseilverspannten traegers.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8024985 1980-11-25
FR8024985A FR2494743A1 (fr) 1980-11-25 1980-11-25 Procede et dispositif pour prolonger une portion d'ouvrage, notamment une portion de tablier de pont, avec des voussoirs, en utilisant une poutre haubannee

Publications (3)

Publication Number Publication Date
EP0053081A2 true EP0053081A2 (de) 1982-06-02
EP0053081A3 EP0053081A3 (en) 1983-01-12
EP0053081B1 EP0053081B1 (de) 1985-01-09

Family

ID=9248328

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81401863A Expired EP0053081B1 (de) 1980-11-25 1981-11-24 Verfahren und Vorrichtung zum Vorbau eines Bauwerkabschnitts, insbesondere eines Brückenüberbauabschnitts, mit vorgefertigten Segmenten, unter Verwendung eines schrägseilverspannten Trägers

Country Status (6)

Country Link
US (1) US4433525A (de)
EP (1) EP0053081B1 (de)
AT (1) ATE11163T1 (de)
CA (1) CA1159608A (de)
DE (1) DE3168205D1 (de)
FR (1) FR2494743A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651375A (en) * 1984-11-15 1987-03-24 Romualdo Macchi Launching system for bridge bays, especially continuous-beam bridges made up of prefabricated segments and to be tightened upon installation by means of prestressed wires
CN102493332A (zh) * 2011-11-30 2012-06-13 上海市城市建设设计研究总院 立柱斜张式预制拼装立柱承台结构及其拼装定位工艺
CN105672140A (zh) * 2016-03-08 2016-06-15 中铁港航局集团有限公司 强台风区域大跨度斜拉桥钢箱梁长悬臂架设施工防风方法
CN106800245A (zh) * 2017-01-25 2017-06-06 中铁大桥局集团第工程有限公司 一种桥面板吊装用吊架、吊装装置及吊装方法
CN112030772A (zh) * 2020-09-14 2020-12-04 河南省交通规划设计研究院股份有限公司 连续刚构桥的快速施工方法
CN112342921A (zh) * 2020-10-30 2021-02-09 安徽省路港工程有限责任公司 宽幅矮塔斜拉桥斜拉索的错位施工及调索工法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103215897B (zh) * 2013-03-26 2015-03-25 天津市市政工程研究院 一种斜拉桥合拢施工方法
JP6497662B2 (ja) * 2015-09-11 2019-04-10 清水建設株式会社 水平反力調整装置および方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR553706A (fr) 1922-07-05 1923-05-29 Pont suspendu à tablier en béton armé
US2963764A (en) 1950-07-06 1960-12-13 Dyckerhoff & Widmann Ag Constructing a prestressed concrete bridge
DE1029850B (de) * 1957-01-30 1958-05-14 Maschf Augsburg Nuernberg Ag Verfahren zum Anheben vorkragender Traeger beim Freivorbau
FR1533670A (fr) * 1967-01-13 1968-07-19 Bataafsche Aanneming Mij Nv Procédé pour le montage d'un tablier de pont en béton précontraint à partir d'éléments préfabriqués, et tablier de pont monté avec application de ce procédé
FR2166641A5 (de) * 1971-12-31 1973-08-17 Gecti
FR2244872A1 (en) * 1973-09-24 1975-04-18 Gecti Method of constructing road bridges - involves cantilevering shorts sections joined by tensioned bars
DE2528114C3 (de) * 1975-06-24 1979-06-28 Philipp Holzmann Ag, 6000 Frankfurt Vorschubrüstung zum Herstellen des Überbaus von Spannbetonbrücken oder dergleichen Tragwerken aus Fertigteilen
SU594237A1 (ru) 1976-03-01 1978-02-25 Специальное Конструкторское Бюро Главмостостроя Министерства Транспортного Строительства Ссср Устройство дл монтажа блоков
DE2703822C3 (de) 1977-01-31 1980-09-04 Wayss & Freytag Ag, 6000 Frankfurt Verfahren zum Herstellen langer Tragwerke aus Spannbeton im taktweisen Vorschiebeverfahren und Mittel zum Durchführen des Verfahrens
DE2718616A1 (de) 1977-04-27 1978-11-02 Leonhardt Fritz Bauverfahren fuer die herstellung von schraegkabelbruecken aus stahlbeton oder spannbeton

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651375A (en) * 1984-11-15 1987-03-24 Romualdo Macchi Launching system for bridge bays, especially continuous-beam bridges made up of prefabricated segments and to be tightened upon installation by means of prestressed wires
EP0182753A3 (en) * 1984-11-15 1987-05-20 Romualdo Macchi Launching system, especially for continuous-beam bridges made up of prefabricated segments
CN102493332A (zh) * 2011-11-30 2012-06-13 上海市城市建设设计研究总院 立柱斜张式预制拼装立柱承台结构及其拼装定位工艺
CN105672140A (zh) * 2016-03-08 2016-06-15 中铁港航局集团有限公司 强台风区域大跨度斜拉桥钢箱梁长悬臂架设施工防风方法
CN106800245A (zh) * 2017-01-25 2017-06-06 中铁大桥局集团第工程有限公司 一种桥面板吊装用吊架、吊装装置及吊装方法
CN106800245B (zh) * 2017-01-25 2019-01-25 中铁大桥局集团第一工程有限公司 一种桥面板吊装用吊架、吊装装置及吊装方法
CN112030772A (zh) * 2020-09-14 2020-12-04 河南省交通规划设计研究院股份有限公司 连续刚构桥的快速施工方法
CN112342921A (zh) * 2020-10-30 2021-02-09 安徽省路港工程有限责任公司 宽幅矮塔斜拉桥斜拉索的错位施工及调索工法

Also Published As

Publication number Publication date
EP0053081B1 (de) 1985-01-09
FR2494743B1 (de) 1983-09-02
ATE11163T1 (de) 1985-01-15
US4433525A (en) 1984-02-28
EP0053081A3 (en) 1983-01-12
FR2494743A1 (fr) 1982-05-28
DE3168205D1 (en) 1985-02-21
CA1159608A (en) 1984-01-03

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