EP0504753A2 - Eisenbahnviadukt - Google Patents

Eisenbahnviadukt Download PDF

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Publication number
EP0504753A2
EP0504753A2 EP92104357A EP92104357A EP0504753A2 EP 0504753 A2 EP0504753 A2 EP 0504753A2 EP 92104357 A EP92104357 A EP 92104357A EP 92104357 A EP92104357 A EP 92104357A EP 0504753 A2 EP0504753 A2 EP 0504753A2
Authority
EP
European Patent Office
Prior art keywords
platform
sound
structure according
box
deadening
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.)
Withdrawn
Application number
EP92104357A
Other languages
English (en)
French (fr)
Other versions
EP0504753A3 (en
Inventor
Pietro Tognoli
Giancarlo Bono
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.)
Ipa SpA - Industria Prefabbricati Affini
Original Assignee
Ipa SpA - Industria Prefabbricati Affini
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 Ipa SpA - Industria Prefabbricati Affini filed Critical Ipa SpA - Industria Prefabbricati Affini
Publication of EP0504753A2 publication Critical patent/EP0504753A2/de
Publication of EP0504753A3 publication Critical patent/EP0504753A3/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way
    • E01B2/003—Arrangement of tracks on bridges or in tunnels
    • 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
    • E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to 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
    • E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125—Grating or flooring for bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
    • E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0052—Grate-style, e.g. as wall facing
    • E01F8/0058—Grate-style, e.g. as wall facing with damping material, e.g. rockwool, sand
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
    • E01F8/0076—Cellular, e.g. as wall facing
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
    • 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 present invention relates to a railroad viaduct structure.
  • girders in viaducts The function of girders in viaducts is to support the ballast and the wood or cement ties to which the rails are anchored or, according to a recent practice, possible prefabricated rail-supporting plate-like elements which rest on the girders by means of a foundation which is cast in place.
  • the aim of the present invention is to provide a railroad viaduct structure which advantageously reduces the distance of the rail plane from the intrados of the structural girders, that is to say wherein the sum of the space occupied by the railroad substructure (girder) and superstructure (ballast and ties plus rail) is considerably reduced.
  • an important object of the invention is to provide a railroad viaduct structure which allows to reduce railway line construction costs, since it is possible to decrease the level of said lines measured at the top of the rails, by virtue of the possibility of minimizing the distance between the intrados of the structural girders, generally considered at a fixed preset level both in the case of an underlying road and in the case of a waterway, and the level of said rails.
  • Another object of the invention is to provide a railroad viaduct structure over which tire-fitted vehicles can travel, thus facilitating the transport of material and of any other item required for its maintenance, as well as the possible access of rescue and assistance vehicles such as ambulances and fire-fighting vehicles.
  • Not least object of the invention is to provide a railroad viaduct structure in which it is possible to waterproof the girders of the box-like viaduct beam, increasing its resistance to weather and chemical agents and simultaneously allowing the use of sound-deadening barriers.
  • a railroad viaduct structure which comprises at least one box-like viaduct beam for supporting at least one railroad line, characterized in that said box-like viaduct beam comprises at least one depressed region for accommodating at least one prestressed reinforced concrete-platform for supporting the rails, said depressed region having means for retaining said platform to said box-like viaduct beam.
  • the railroad viaduct structure according to the invention comprises at least one box-like viaduct beam 2 for supporting at least one railroad line, generally designated by 3.
  • the box-like beam 2 comprises a depressed region 4 inside which at least one platform 5, made of prestressed reinforced concrete and suitable for supporting the rails 6, is accommodated.
  • the depressed region 4 is furthermore provided with means, generally designated by 7, for retaining the platform 5 to the box-like viaduct beam 2.
  • said retention means 7 are defined by at least one substantially cylindrical seat 8 defined in the body of the box-like beam 2, inside which two semicylindrical expansions 9 engage; said expansions extend respectively from the ends of two mutually facing and contiguous platforms 5.
  • the platform 5, once it is accommodated within the depressed region 4, defines, together with the walls of the box-like beam 2, an interspace 10 which is filled with elastic material so as to provide a continuous support for the platform 5.
  • the elastic material can be composed of a layer of cement-asphalt mortar 11 injected during the laying of the platforms and of a layer of waterproof roughcast 30 with compensated shrinkage which grips the surface of the box-like beam for example by means of epoxy resin 31, with the function of leveling the girders.
  • the seat 8 inside which the two semicylindrical expansions 9 are inserted can also be filled with further elastic material, constituted for example by cement-asphalt mortar.
  • the surface of the platform 5 is substantially co-planar with respect to the girders 12 of the box-like beam so as to allow for example tire-fitted vehicles to travel along the viaduct.
  • the girders 12 comprise waterproofing means 32 which are suitable for protecting both the girders 12 and the elastic material provided inside the interspace 10 against possible weathering and chemical aggressions.
  • Sound-deadening means may furthermore be provided on the edge of the girders; said means comprise at least one sound-deadening barrier, generally designated by 13, which has a supporting element 14 which supports an element 15 for interfering with and refracting sound waves.
  • the end surface 16 of the supporting element 14 is advantageously directed toward the platform 15, is inclined and blends with the surface 17 of the sound wave interference and refraction element 15.
  • the supporting element 14 is provided, on the side directed toward the platform 5, with at least one first sound-deadening plate-like element 20 which has a plurality of small mutually interconnected acoustic chambers 21, and with at least one second sound-deadening plate-like element 22 which is comprised between the first plate-like element 20 so as to integrate its sound-deadening ability by acting specifically in a different frequency range.
  • the second plate-like element 22 furthermore separates the first plate-like element 20 from the supporting element 14, which is normally made of concrete, avoiding resonance phenomena and increasing its sound-deadening abilities.
  • the railroad viaduct structure according to the invention is particularly advantageous, in that it allows to reduce the thickness due to the sum of the space occupied by the substructure (girders) and by the railroad superstructure (ballast and ties plus rail), so as to reduce construction costs, furthermore obtaining a significant reduction in the structural load of the viaduct.
  • the sound-deadening barrier furthermore allows a considerable noise reduction, like conventional high barriers but without their known disadvantages, such as for example environmental impact both inside and outside the railroad line as well as the unpleasant feeling of oppression due to travel along long stretches delimited by high walls.
  • the materials employed, as well as the dimensions, may be any according to the requirements and the state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Bridges Or Land Bridges (AREA)
EP19920104357 1991-03-22 1992-03-13 Railroad viaduct structure Withdrawn EP0504753A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI910245U 1991-03-22
IT91MI000245U ITMI910245U1 (it) 1991-03-22 1991-03-22 Struttura di viadotto ferroviario

Publications (2)

Publication Number Publication Date
EP0504753A2 true EP0504753A2 (de) 1992-09-23
EP0504753A3 EP0504753A3 (en) 1992-12-02

Family

ID=11358360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920104357 Withdrawn EP0504753A3 (en) 1991-03-22 1992-03-13 Railroad viaduct structure

Country Status (2)

Country Link
EP (1) EP0504753A3 (de)
IT (1) ITMI910245U1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005063544A1 (fr) * 2003-12-26 2005-07-14 Alexander Mikhaylovich Shlykov Ensemble de transport
DE102005057380A1 (de) * 2005-11-30 2007-06-06 Walter Sobolewski Röhrenartige, hohle, feste Fahrbahn
CN106120555A (zh) * 2016-08-22 2016-11-16 中铁第四勘察设计院集团有限公司 一种适用于高速铁路桥梁的轨道结构
CN108824098A (zh) * 2018-08-21 2018-11-16 西南交通大学 用于铁路高填方路堤的箱型结构及一种铁路高填方路堤
CN109235152A (zh) * 2018-09-17 2019-01-18 中铁二院工程集团有限责任公司 铁路高填方路堤箱型结构
CN109235154A (zh) * 2018-09-17 2019-01-18 中铁二院工程集团有限责任公司 铁路高填方路堤竖向中隔板式箱型结构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543243A1 (de) * 1975-09-27 1977-03-31 Dyckerhoff & Widmann Ag Brueckentragwerk mit gleitend auf dem ueberbau aufgelagerten und ohne unterbrechung ueber diesen hinweggefuehrten verkehrsweg
EP0170631A2 (de) * 1984-07-27 1986-02-05 I.P.A. S.P.A. - Industria Prefabbricati Affini Bestandteile einer schotterlosen, vorgefertigten bewährten Betonplatten umfassenden Gleistragkonstruktion
EP0368135A1 (de) * 1988-11-07 1990-05-16 Luigi Menichini Modulschalldämmendes Element, insbesondere zur Abgrenzung von Schallquellen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543243A1 (de) * 1975-09-27 1977-03-31 Dyckerhoff & Widmann Ag Brueckentragwerk mit gleitend auf dem ueberbau aufgelagerten und ohne unterbrechung ueber diesen hinweggefuehrten verkehrsweg
EP0170631A2 (de) * 1984-07-27 1986-02-05 I.P.A. S.P.A. - Industria Prefabbricati Affini Bestandteile einer schotterlosen, vorgefertigten bewährten Betonplatten umfassenden Gleistragkonstruktion
EP0368135A1 (de) * 1988-11-07 1990-05-16 Luigi Menichini Modulschalldämmendes Element, insbesondere zur Abgrenzung von Schallquellen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BETON UND STAHLBETONBAU vol. 83, no. 3, March 1988, BERLIN DE pages 70 - 74 BIENSTOCK & EISERT *
ETR EISENBAHNTECHNISCHE RUNDSCHAU, vol. 38, no. 3, March 1989, pages 125-131, Darmstadt, DE; S. LANNI et al.: "Feste Fahrbahn als Neuentwicklung bei den Italienischen Staatsbahnen" *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005063544A1 (fr) * 2003-12-26 2005-07-14 Alexander Mikhaylovich Shlykov Ensemble de transport
DE102005057380A1 (de) * 2005-11-30 2007-06-06 Walter Sobolewski Röhrenartige, hohle, feste Fahrbahn
DE102005057380B4 (de) * 2005-11-30 2009-12-03 Walter Sobolewski Röhrenartiger, hohler, fester Fahrwegträger
CN106120555A (zh) * 2016-08-22 2016-11-16 中铁第四勘察设计院集团有限公司 一种适用于高速铁路桥梁的轨道结构
CN108824098A (zh) * 2018-08-21 2018-11-16 西南交通大学 用于铁路高填方路堤的箱型结构及一种铁路高填方路堤
CN109235152A (zh) * 2018-09-17 2019-01-18 中铁二院工程集团有限责任公司 铁路高填方路堤箱型结构
CN109235154A (zh) * 2018-09-17 2019-01-18 中铁二院工程集团有限责任公司 铁路高填方路堤竖向中隔板式箱型结构

Also Published As

Publication number Publication date
ITMI910245U1 (it) 1992-09-22
ITMI910245V0 (it) 1991-03-22
EP0504753A3 (en) 1992-12-02

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