EP0499598B1 - Traverse pour chemin de fer et son procédé de fabrication - Google Patents

Traverse pour chemin de fer et son procédé de fabrication Download PDF

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Publication number
EP0499598B1
EP0499598B1 EP92870023A EP92870023A EP0499598B1 EP 0499598 B1 EP0499598 B1 EP 0499598B1 EP 92870023 A EP92870023 A EP 92870023A EP 92870023 A EP92870023 A EP 92870023A EP 0499598 B1 EP0499598 B1 EP 0499598B1
Authority
EP
European Patent Office
Prior art keywords
cross
reinforcement
concrete blocks
moulds
sleeper
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
EP92870023A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0499598A1 (fr
Inventor
Arthur Franciscus Goossens
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.)
Cuykx Hildegarde Juliana Eugenie
Original Assignee
Cuykx Hildegarde Juliana Eugenie
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 Cuykx Hildegarde Juliana Eugenie filed Critical Cuykx Hildegarde Juliana Eugenie
Publication of EP0499598A1 publication Critical patent/EP0499598A1/fr
Application granted granted Critical
Publication of EP0499598B1 publication Critical patent/EP0499598B1/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
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/28—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from concrete or from natural or artificial stone
    • E01B3/36—Composite sleepers

Definitions

  • the subject of the present invention is a railway sleeper made up of two reinforced concrete blocks connected by a metal spacer, each of the concrete blocks comprising two shoulders for a rail.
  • the spacer and the reinforcements of each of the two concrete blocks of a sleeper are formed from several elements which are free relative to each other, the aforementioned reinforcements, generally consisting each of a helical reinforcement arranged around the spacer, of a lower reinforcement made of steel strands, substantially parallel to the sole of the concrete block and to the longitudinal axis of the spacer, joined together by transverse welded strands and an upper frame made of steel strands, substantially parallel to the upper face of the block and extending along the longitudinal axis of the spacer, the latter strands also being joined together by welded transverse strands.
  • crosspieces have, on the one hand, the disadvantage of requiring, for their manufacture, the manipulation and the precise positioning in the molds of the various spare parts forming the reinforcements of the concrete blocks and the spacer and, on the other hand share, the disadvantage of causing a scrap which can be significant and which is due either to a bad installation of the aforementioned spare parts in the molds, or to the accidental displacements of these last in the molds during the pouring of concrete.
  • GB-B-622.776 represents a cross member of the kind cited above in which irons making up the reinforcement of a block are only passed through the spacer.
  • the object of the invention is to remedy these drawbacks and to provide a cross member, the production of which is greatly simplified compared with that of known cross members, and this, by reducing, during the casting of the cross member, by more than 50%. the number of spare parts that make it up and whose quality is better and more constant than that of known sleepers due to the extremely precise positioning of the spacer and the reinforcements of the concrete blocks.
  • the reinforcement of each of the two aforementioned concrete blocks and the spacer have mutual rigid fixing means, prior to the pouring of the concrete and independently of the setting of the latter.
  • the reinforcement of each of the two aforementioned concrete blocks is not in contact with the part of the abovementioned shoulders embedded in the block to constitute their anchoring.
  • the reinforcement of each of the two aforementioned concrete blocks comprises a helical reinforcement disposed around the aforementioned spacer and, on either side thereof, a reinforcement lower and an upper frame essentially consisting of steel strands extending along the longitudinal axis of the spacer and regularly distributed below and above said spacer.
  • the invention also relates to a method of manufacturing the aforementioned crosspiece.
  • said method consists of depositing in two openings provided in the bottom of each of the two molds. in which the two aforementioned concrete blocks are formed, a pair of shoulders, one part of which extends outside the mold to form the shoulder of the rail proper and the other part of which extends inside of the mold to form the anchoring of the shoulder in the concrete block, to deposit the spacer and the reinforcement of each of the concrete blocks.
  • Figure 1 is an elevational view showing, in broken lines, one of the concrete blocks of the sleeper according to the invention and, in solid lines, the two shoulders anchored in the block, the reinforcement of said block and, with partial breakage , the crosspiece spacer partially embedded in the block.
  • Figure 2 is a sectional view along line II-II of Figure 1.
  • FIG. 3 is a view in elevation and in section of the casting mold of one of the concrete blocks of the crosspiece in which the two abovementioned shoulders have been placed and the crosspiece assembly of the crosspiece and reinforcement of said block, before casting concrete, in accordance with the process according to the invention.
  • Figure 4 is a view similar to Figure 2 and shows a variant of connection of the frame of a block to the spacer of the crosspiece.
  • the railroad cross member consists of two reinforced concrete blocks 1 connected by a metal spacer 2 in the form of an angle iron, each of the blocks 1 comprising two shoulders 3 intended to be arranged on either side other of the shoe of a rail (not shown) to prevent any lateral movement of the latter and intended to cooperate each with a toad (not shown) associated with the shoulder and the shoe of the rail to hold the shoe of the rail against the corresponding block of the crosspiece.
  • the frame 4 of each of the two concrete blocks I of the cross member is fixed to the spacer 2 connecting the blocks so that the frames 4 and the spacer 2 form a rigid and non-deformable assembly.
  • the anchoring tabs 5 of the shoulders 3 are profiled, as shown in FIG.
  • the armature 4 of the blocks 1 is not in contact with the anchoring lugs 5 of the shoulders 3 so that the vibrations undergone by the latter and by their lugs 5 are not directly transmitted to the armature 4 of the blocks 1, which has the advantage of avoiding cracking of said blocks.
  • each of the concrete blocks 1 is constituted by a helical frame 6 arranged around the spacer 2 and a lower frame 7 and an upper frame 8 arranged on either side of said spacer .
  • These frames 7 and 8 each comprise steel strands 9 which extend along the longitudinal axis of the spacer 2 and which are regularly distributed below and above the latter.
  • the steel strands 9 of each of the reinforcements 7 and 8 are joined together by at least two steel strands 10 which extend transversely to the longitudinal axis of the spacer 2 and which are welded to the steel strands 9 at each crossing point 11 of said strands 9 and 10.
  • the helical frame 6 is, as shown in Figures 1 to 3, in contact, on the one hand, with the upper edge 12 of the spacer 2 and is welded thereto in at least two places 13 and, d on the other hand, with at least two of the steel strands 9 forming part of the aforementioned lower reinforcement 7, the reinforcement 6 being welded to each of these steel strands 9 in at least two places 14.
  • the upper reinforcement 8 is located at a distance from the helical frame 6 and is fixed to the bottom frame 7 by two stirrups 15 which are welded, at 16, to at least two steel strands 9 from each of the frames 7 and 8.
  • the method of manufacturing the cross member described above and which is illustrated in FIG. 3 consists in placing in two openings 17 formed in the bottom 18 of each of the two molds serving to form the two blocks 1 of a cross member, a pair shoulders 3 whose anchoring lugs 5 extend inside the mold, to deposit the spacer 2 of the crosspiece, to which are fixed the armatures 4 for the blocks 1 in the molds through a calibrated opening 19 provided in the walls 21 of the molds facing one another, these openings being arranged to locate automatically and correctly the spacer 2 and the frames 4 relative to the bottoms 18 of the molds.
  • a mark 20 is provided on the spacer 2 to allow the correct location of the spacer 2 carrying the frames 4 in the molds, in a direction parallel to the longitudinal axis of the spacer 2.
  • each of the calibrated openings 19 is closed using a plate 22 applied to the internal face of the wall 21 of the mold, the concrete is poured, the latter is vibrated and the crosspiece is demolded , by turning the molds over.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Chain Conveyers (AREA)
  • Moulding By Coating Moulds (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Railway Tracks (AREA)
  • Bridges Or Land Bridges (AREA)
  • Press Drives And Press Lines (AREA)
EP92870023A 1991-02-14 1992-02-07 Traverse pour chemin de fer et son procédé de fabrication Expired - Lifetime EP0499598B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9100140 1991-02-14
BE9100140A BE1004494A6 (fr) 1991-02-14 1991-02-14 Traverse pour chemin de fer et son procede de fabrication.

Publications (2)

Publication Number Publication Date
EP0499598A1 EP0499598A1 (fr) 1992-08-19
EP0499598B1 true EP0499598B1 (fr) 1996-03-27

Family

ID=3885338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92870023A Expired - Lifetime EP0499598B1 (fr) 1991-02-14 1992-02-07 Traverse pour chemin de fer et son procédé de fabrication

Country Status (10)

Country Link
EP (1) EP0499598B1 (xx)
AT (1) ATE136079T1 (xx)
BE (1) BE1004494A6 (xx)
CZ (1) CZ283760B6 (xx)
DE (1) DE69209342D1 (xx)
DK (1) DK0499598T3 (xx)
EG (1) EG19380A (xx)
ES (1) ES2086721T3 (xx)
GR (1) GR3020246T3 (xx)
PL (2) PL293478A1 (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1009251A3 (fr) * 1995-03-23 1997-01-07 Cuykx Hildegarde Juliana Eugen Traverse de chemin de fer et etrier pour sa realisation.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB622776A (en) * 1946-04-04 1949-05-06 In Acc Sempl Impresa E Gibelli Railway sleeper of reinforced concrete
FR2195236A5 (xx) * 1972-08-03 1974-03-01 Sateba
DE3167654D1 (en) * 1980-12-24 1985-01-17 Hemiksem Betonkonst Pvba Method of manufacturing concrete railway ties and elements used for carrying it out

Also Published As

Publication number Publication date
CZ45092A3 (en) 1993-05-12
ES2086721T3 (es) 1996-07-01
GR3020246T3 (en) 1996-09-30
ATE136079T1 (de) 1996-04-15
EP0499598A1 (fr) 1992-08-19
PL55222Y1 (en) 1997-06-30
BE1004494A6 (fr) 1992-12-01
EG19380A (fr) 1995-02-28
PL293478A1 (en) 1992-08-24
CZ283760B6 (cs) 1998-06-17
DE69209342D1 (de) 1996-05-02
DK0499598T3 (da) 1996-08-05

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