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WO2003038189A1 - Procede de fabrication d'une poutre porteuse d'un chemin de fer a sustentation magnetique - Google Patents

Procede de fabrication d'une poutre porteuse d'un chemin de fer a sustentation magnetique Download PDF

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Publication number
WO2003038189A1
WO2003038189A1 PCT/CN2002/000462 CN0200462W WO03038189A1 WO 2003038189 A1 WO2003038189 A1 WO 2003038189A1 CN 0200462 W CN0200462 W CN 0200462W WO 03038189 A1 WO03038189 A1 WO 03038189A1
Authority
WO
WIPO (PCT)
Prior art keywords
span
beams
continuous
manufacturing
simply supported
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.)
Ceased
Application number
PCT/CN2002/000462
Other languages
English (en)
Chinese (zh)
Inventor
Xiangming Wu
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.)
Shanghai Maglev Transportation Development Co Ltd
Original Assignee
Shanghai Maglev Transportation Development Co Ltd
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 Shanghai Maglev Transportation Development Co Ltd filed Critical Shanghai Maglev Transportation Development Co Ltd
Publication of WO2003038189A1 publication Critical patent/WO2003038189A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00—Tracks for special kinds of railways
    • E01B25/30—Tracks for magnetic suspension or levitation vehicles
    • E01B25/305—Rails or supporting constructions

Definitions

  • the present invention relates to a method for manufacturing a track beam, in particular to a method for manufacturing a track beam for a magnetic levitation and railroad railway, and belongs to the field of rails in the field of transportation.
  • the system Since modern high-speed rail transportation systems such as magnetic levitation trains run at high speeds, the system has exceptionally high accuracy requirements for the line structure. It is required that the deformation and deflection of the line be controlled within a small range under the action of temperature differences and moving loads. The deflection or overarching of the beam caused by temperature difference or moving load is not a problem in traditional bridges. For modern high-speed traffic rail vehicles, especially in magnetic levitation tracks, these temperature difference or moving load The small deformation caused will affect the high-speed operation of the train. Under the action of temperature difference, the support reaction force of the middle pier of the continuous track beam, whether vertical or horizontal, is generally much greater than that of the simply supported beam.
  • the method is self-explanatory: In high-speed traffic, especially in high-speed traffic on magnetic levitation tracks, the running track of a rail vehicle is distributed on a reinforced concrete multi-span beam.
  • the multi-span beam is designed with a support and is supported on a support pier, which supports either end of a span.
  • the beams referred to here, especially the empty box beams, have a bridge-shaped structure on the side.
  • the beams are provided with anchors, which run vertically and are curved, similar to a sine curve.
  • the highest point of the element is within the range of the support, and its lowest point is basically in the middle of each span of the beam, so each span of the beam has a certain curvature to compensate its own weight.
  • the present invention contemplates a new manufacturing method that reduces manufacturing and construction costs and has a more reasonable structural force.
  • This method is suitable for the traveling track of a rail vehicle, and is particularly suitable for a maglev railway.
  • Tracks, track beams can be reinforced concrete structures or steel structures, which are connected by several single-span or multi-span beams.
  • the connection method is: prefabricated, simply transported, installed, positioned according to simply supported beams, and then connected.
  • the connected continuous points are close to continuous two-span or multi-span continuous beams in the direction of the vertical plane, but are still close to hinged two-span or multi-span simply supported beams in the horizontal plane.
  • Each section of the track beam between each support pier is prefabricated, processed, transported, installed, accurately positioned in the form of a simply supported beam, and then every two or more spans In the vertical plane, that is, the bending rigidity is connected as much as possible around the horizontal axis, close to the structural form of the continuous beam, and in the horizontal direction, that is, about the vertical axis, the bending stiffness is designed to be as small as possible, close to the hinged two.
  • Span or multispan simply supported beam is designed to be as small as possible, close to the hinged two.
  • the continuous beam has superior structural performance compared with two simply supported beams of equal section in terms of controlling deformation caused by temperature difference or live load, but due to the continuous beam structure of the track beam Generally, it is constructed by prefabrication and erection. Due to its huge size and weight, and because the multi-span continuous beam belongs to an external statically indeterminate structure with multi-point support, it must always maintain the state of multi-point support during transportation and lifting. In addition, the relative displacement of any fulcrum must be controlled within a small range to ensure the safety of the track beam itself. Otherwise, the entire beam will be easily damaged during the construction process.
  • the invention has substantial characteristics and significant progress, solves the disadvantages of large volume and awkwardness of continuous beams in prefabrication, processing, transportation and installation, and has a low foundation cost.
  • the implementation of the present invention has a level of creativity that overcomes problems that the background technology cannot solve for a long time, and has strong practical value.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Railway Tracks (AREA)

Abstract

L'invention concerne un procédé de production d'une poutre porteuse d'un chemin de fer à sustentation magnétique, ce procédé consistant à relier des poutres à une seule portée ou à plusieurs portées. Tout d'abord, les poutres sont préfabriquées, installées, et orientées selon le procédé mis en oeuvre pour une poutre libre aux extrémités. Ensuite les poutres sont reliées et, après cette liaison, les points de continuité correspondent approximativement aux poutres continues à au moins deux portées, dans le plan vertical, et ils correspondent également approximativement aux poutres articulées à au moins deux portées, dans le sens latéral du plan horizontal.
PCT/CN2002/000462 2001-11-01 2002-07-01 Procede de fabrication d'une poutre porteuse d'un chemin de fer a sustentation magnetique Ceased WO2003038189A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN01132090A CN1127593C (zh) 2001-11-01 2001-11-01 磁悬浮、有轨铁路的轨道梁的制造方法
CN01132090.7 2001-11-01

Publications (1)

Publication Number Publication Date
WO2003038189A1 true WO2003038189A1 (fr) 2003-05-08

Family

ID=4671135

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2002/000462 Ceased WO2003038189A1 (fr) 2001-11-01 2002-07-01 Procede de fabrication d'une poutre porteuse d'un chemin de fer a sustentation magnetique

Country Status (3)

Country Link
CN (1) CN1127593C (fr)
HK (1) HK1045342B (fr)
WO (1) WO2003038189A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10253136A1 (de) * 2002-11-14 2004-05-27 Cbp Guideway Systems Gmbh Funktionsebenenträger
CN100465376C (zh) * 2005-06-29 2009-03-04 上海磁浮交通工程技术研究中心 高速磁浮叠合式轨道梁连接机构、轨道梁及其制造方法
CN1317454C (zh) * 2005-06-29 2007-05-23 上海磁浮交通工程技术研究中心 磁浮交通叠合式轨道梁及其制造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1272437A (zh) * 2000-06-02 2000-11-08 宋铁理 单轨道梁的安装方法及其运梁车和架桥机
CN1313919A (zh) * 1999-08-09 2001-09-19 马克斯博革建筑有限公司 多跨支承梁体

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1313919A (zh) * 1999-08-09 2001-09-19 马克斯博革建筑有限公司 多跨支承梁体
CN1272437A (zh) * 2000-06-02 2000-11-08 宋铁理 单轨道梁的安装方法及其运梁车和架桥机

Also Published As

Publication number Publication date
CN1127593C (zh) 2003-11-12
HK1045342A1 (en) 2002-11-22
HK1045342B (zh) 2004-07-23
CN1343812A (zh) 2002-04-10

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