EP1512792A2 - Couche protectrice pour le substrat de la voie ferrée - Google Patents

Couche protectrice pour le substrat de la voie ferrée Download PDF

Info

Publication number
EP1512792A2
EP1512792A2 EP04017565A EP04017565A EP1512792A2 EP 1512792 A2 EP1512792 A2 EP 1512792A2 EP 04017565 A EP04017565 A EP 04017565A EP 04017565 A EP04017565 A EP 04017565A EP 1512792 A2 EP1512792 A2 EP 1512792A2
Authority
EP
European Patent Office
Prior art keywords
protective layer
ballast
track
railway track
shaped elements
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
EP04017565A
Other languages
German (de)
English (en)
Other versions
EP1512792A3 (fr
EP1512792B1 (fr
Inventor
Ralf Hoffmeister
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.)
DB Netz AG
Original Assignee
DB Netz AG
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 DB Netz AG filed Critical DB Netz AG
Priority to PL04017565T priority Critical patent/PL1512792T3/pl
Publication of EP1512792A2 publication Critical patent/EP1512792A2/fr
Publication of EP1512792A3 publication Critical patent/EP1512792A3/fr
Application granted granted Critical
Publication of EP1512792B1 publication Critical patent/EP1512792B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/001—Track with ballast
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • E01B19/006—Means for protecting the underground against spillage

Definitions

  • the invention relates to a protective layer for the ballast body of a track track, especially for railways, which the ballast body against the upcoming Earth body separates.
  • PSS Demarcate protective layers
  • the invention is based on the object, a protective layer for the ballast body a track track, especially for railways, which the ballast against separating the upcoming earth body, developing a cost-saving Replacement mineral support or layer protection layers allows.
  • This protective layer may be suitable for existing, rehabilitated routes with a to make use of less logistics and machinery than hitherto.
  • the protective layer should in a continuous conversion process with high Propulsion power be installed.
  • This object is in accordance with the preamble of claim 1 according to the invention characterized in that the protective layer of a nonwoven layer, which covers the contact area of the upcoming earth body with the ballast, and on this fleece resting, abutting plate-shaped elements with high compressive strength and low water absorption in long-term contact built up with moisture.
  • a system can not only Drain the superstructure reliably, but also by the weight of the superstructure as well as from the train traffic resulting loads reliable and damage-free take up.
  • the preferred embodiment of the plate-shaped elements made of hard foam additionally offers the advantages of a very low thermal conductivity, a high modulus of elasticity, favorable fracture stress ratios and a low dead weight, whereby a manual handling of the plate elements is possible.
  • a Folding of rigid foam panels ensures a sufficiently positive connection two elements each.
  • B 2 * y + SB.
  • the size y corresponds to the vertical distance between the upper edge of the protective layer and the lower edge of the sleepers resting on the ballast body, the size SB, however, gives the measured transversely to the track longitudinal axis Distance between both heads of a track threshold. This ensures that the Protective layer regardless of their vertical mounting position always relevant Load spreading area covers.
  • the plate-shaped elements are made of Rigid foam, especially extruded polystyrene (e.g., X-PS-G).
  • Thickness of the plate-shaped elements in the transition region between one according to the invention executed Bettungs stresses and one without tarpaulin protective layer running ball body over a length of at least 20 meters continuously decreases and the minimum thickness of an element in the final area of the transition still at least 0.04 meters. This ensures that both the load capacity the substructure in the transition area remains guaranteed, but at the same time despite different moduli of elasticity between the two bed bodies uniform Driving characteristics are ensured for the trains.
  • the nonwoven layer is made of polypropylene and has a weight per unit area of at least 400 g / m 2 . It is also advantageous if the nonwoven layer is designed with a minimum load of 3 mm for a given load of 2 kN. Due to these material properties, the nonwoven exerts a capillary breaking effect. This makes sense, so that both the by the bumps between the plate-shaped elements penetrating leachate and the water rising through the pore water pressure rising water is reliably guided by the fleece in the edge drainage and water penetration of the protective layer is prevented.
  • the preparation of the inventive protective layer is carried out using a commercially available ballast cleaning machine, which causes a significantly lower capital outlay compared to the required in gravel-sand mixtures turf conditioning.
  • the ballast cleaning machine is merely supplemented by a nonwoven unwinding device and a compaction plank to produce a level and sufficiently densified ground plane.
  • ballast bed cleaning In the course of a ballast bed cleaning og Bettungstivsmaschine clears the track ballast below the track grate by means of a Schrapers or chain bar, cleans the old ballast, sifts to small ballast components and reintegrates the thus cleaned track ballast below again under the track grid.
  • the track grid is only raised in this process, but otherwise remains in its position.
  • the created in this work process of ballast cleaning machine ballast-free space can now be used for the introduction of fleece and plate elements. Within this ballast-free working space, the compaction pile runs ahead in the working direction and produces the required flatness, load capacity and density of the earth.
  • the fleece is rolled out to the Erdplanum, with an overlap of both roller conveyors of at least 30 cm takes place at a possible roll change.
  • the manual insertion of the plate elements forms the last step within the ballast-free working space before the processed ballast is fed back.
  • a gravity-assisted mechanical feed of the plate elements can be realized, for example in analogy to the feeding of track sleepers in the known track-laying machines.
  • the protective layer according to the invention tolerates a deviation from the desirable joint-free abutment of the plate elements, so that rectangular plate elements can continue to be used for this purpose. This has an advantageous effect on warehouse logistics.
  • ballast cleaning measures usual work regarding lifting and compression stoppers as well as track stabilization.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)
  • Magnetic Heads (AREA)
  • Bipolar Transistors (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Laminated Bodies (AREA)
EP04017565A 2003-09-03 2004-07-24 Couche protectrice pour le substrat de la voie ferrée Expired - Lifetime EP1512792B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04017565T PL1512792T3 (pl) 2003-09-03 2004-07-24 Warstwa ochronna dla podtorza trasy torowej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20313800U DE20313800U1 (de) 2003-09-03 2003-09-03 Schutzschicht für den Bettungskörper eines Gleisfahrweges
DE20313800U 2003-09-03

Publications (3)

Publication Number Publication Date
EP1512792A2 true EP1512792A2 (fr) 2005-03-09
EP1512792A3 EP1512792A3 (fr) 2005-05-11
EP1512792B1 EP1512792B1 (fr) 2010-01-20

Family

ID=29558155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04017565A Expired - Lifetime EP1512792B1 (fr) 2003-09-03 2004-07-24 Couche protectrice pour le substrat de la voie ferrée

Country Status (4)

Country Link
EP (1) EP1512792B1 (fr)
AT (1) ATE455905T1 (fr)
DE (3) DE20313800U1 (fr)
PL (1) PL1512792T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014006144A1 (fr) * 2012-07-04 2014-01-09 Hering Bau Gmbh & Co. Kg Unité de protection acoustique et sa structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101979766B (zh) * 2010-10-21 2012-07-11 中铁第四勘察设计院集团有限公司 高速铁路红黏土路堑基床结构

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3147346A1 (de) 1981-03-04 1982-09-16 Franz Plasser Bahnbaumaschinen-Industriegesellschaft mbH, 1010 Wien Schotterbett-reinigungsmaschine und hartschaumplatten-verlegung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB339520A (en) * 1929-12-30 1930-12-11 Trinidad Deutsche Oel Und Asph Method of constructing railway embankments
US3587964A (en) * 1969-04-18 1971-06-28 Meadows W R Inc Protective course for bridge deck
DE3524719A1 (de) * 1985-07-11 1987-01-15 Phoenix Ag Schutzschicht fuer elastische gleisbettmatte
GB2243108B (en) * 1990-02-14 1994-02-23 Ian Thomas Smith Railway tracks

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3147346A1 (de) 1981-03-04 1982-09-16 Franz Plasser Bahnbaumaschinen-Industriegesellschaft mbH, 1010 Wien Schotterbett-reinigungsmaschine und hartschaumplatten-verlegung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014006144A1 (fr) * 2012-07-04 2014-01-09 Hering Bau Gmbh & Co. Kg Unité de protection acoustique et sa structure

Also Published As

Publication number Publication date
PL1512792T3 (pl) 2010-06-30
DE202004005761U1 (de) 2004-08-19
DE502004010662D1 (de) 2010-03-11
EP1512792A3 (fr) 2005-05-11
ATE455905T1 (de) 2010-02-15
DE20313800U1 (de) 2003-11-13
EP1512792B1 (fr) 2010-01-20

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