Classifications

• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
  • E01C9/00—Special pavings; Pavings for special parts of roads or airfields
  • E01C9/04—Pavings for railroad level-crossings
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
  • E01B21/00—Track superstructure adapted for tramways in paved streets
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
  • E01B26/00—Tracks or track components not covered by any one of the preceding groups
• • 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
  • E01B3/44—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from other materials only if the material is essential

Definitions

• the invention relates to load-bearing plate-shaped or bar-shaped moldings for track construction, in particular for the construction of level crossings, which moldings consist of a composite material, which is formed from small particles, fibers and a plastic-based binder.
• moldings of the aforementioned type which consist of a composite material, which is formed from small particles and a binder based on a polyester resin, wherein in the composite and glass fibers are embedded.
• the environmental impact are primarily responsible for the components of which the polyester resin is formed, and the styrene usually added to these components in a larger amount, these substances also cause a considerable burden on the workplace atmosphere and also the processing of fiberglass health Dangers.
• glass fibers, when their ends come to rest on the surface of the moldings often appear disadvantageous even when using the finished moldings.
• the shaped bodies designed according to the invention are characterized in that the shaped bodies consist of a composite material which, as a fiber material, is both short-cut
• rock fibers as well as long-fiber rock fibers, which contains as a binder consisting of a combination of two reaction resins resin, and preferably further contains a pul erförmigen filler.
• the use of said resin as a binder also results in a very good adhesion of the binder to the intended as fiber material rock fibers and also on the GrestoffPismen and consequent results in very good strength values of the moldings that have to withstand a variety of high stresses in railway operation;
• the moldings formed according to the invention also show no irritations due to the intimate bond between the rock fibers and the binder during handling of the finished shaped bodies due to exposed ends of fibers which are located in the surface area of the shaped bodies; also the cost factor with regard to the binder appears favorable.
• the mutual behavior of the components of the Ver ⁇ composite material to each other when ischvorgang, the behavior of the composite-forming components during hardening, in particular the curing time and ultimately the elasticity and strength behavior of the finished shaped bodies are significantly influenced.
• a very good strength of the moldings in particular with respect to compressive stress, tensile stress and bending stress, can be achieved.
• a combination of polyurethane resin and polyester resin is provided as a binder.
• a preferred embodiment of the shaped body according to the invention is characterized in that basalt fibers are provided as fiber material.
• basalt fibers are provided as fiber material.
• a pulverulent filler which is preferably provided, a mixture of finely divided inorganic material and finely divided organic-chemical material is provided, wherein the pulverulent ge filler in an amount of 5% to 50 % of the total weight of the respective molded body is provided. It leaves this from ⁇ education achieved during the mixing process and on a good surface smoothness and good compressive strength and good dimensional accuracy of moldings produced from the composite material a favorable behavior provided for forming the composite batch of components.
• At least one recess is provided on at least one side surface of the plate-shaped or bar-shaped shaped body a positioning body is inserted, which is provided for the mutual positional fixation of two such moldings, which are joined together with their respective at least one such recess having side surfaces.
• the cohesion can be further intensified and become effective in the sense of a contraction of the molded body to be joined, if it is provided that the at least one recess is formed undercut.
• Moldings to be used in track construction often come to rest on irregular or rugged shaped surfaces or to rest against such surfaces, with relatively large forces to be transmitted to such surfaces or to be absorbed by the surfaces thereof .
• load peaks can arise, for example, when resting according to the invention formed moldings on a ballast bed, and at the same time to achieve a displacement-inhibiting, lush edition inventively shaped body to such irregularly shaped or rugged surfaces, according to a Ausrete ⁇ tion form of the invention provided that on at least one side surface of the molded body, a soling layer is provided, which is softer than the molding material forming the composite material.
• the soling layers are pre ⁇ seen on two opposite side surfaces of the moldings.
• An advantageous embodiment of the subject invention is characterized in that the moldings are track sleepers, being provided as long-fiber rock fibers over the longitudinal extent of the track sleepers continuously extending rovings.
• the moldings are track sleepers, being provided as long-fiber rock fibers over the longitudinal extent of the track sleepers continuously extending rovings.
• Hiebei provides advantageous before, that a soling layer is provided on the upper side ⁇ surface and on the underside surface of the track sills forming moldings. It is thereby, by over the threshold length of the track sleepers continuously extending provided rovings, the high loads occurring in the longitudinal direction of the sleepers in railway operation met and by the Besohlungs füren a balance of
• the provided on the top of the sleepers leveling layer can thereby achieve a stable and sound-absorbing seat of track covering elements on the sleepers.
• Planar shapes in such composite moldings can advantageously provide that the moldings are arranged in two superimposed layers, wherein either on the upper side surface of the moldings of the lower layer or on the lower side surface of the moldings of the upper layer, a soling layer is provided.
• the insole layer results in a good fit of the molded body to be joined together and protects even with rough handling in the course of assembly or in a possible degradation, the surfaces of the moldings from damage.
• Composition a good resistance to mutually attacking forces can be achieved if it is provided that the longitudinal extent of the moldings of the upper layer, seen in plan view, extends to the longitudinal extension of the molded body of the lower layer.
• a related embodiment of the subject invention is characterized in that at least two moldings are joined together with adjacent side surfaces to form a component, wherein in each of these side surfaces at least one recess is provided and located in a molding body recess facing a recess located in the other body and one in both said recesses of engaging positioning body is provided, which ensures the cohesion and the mutual positioning of the two mentioned moldings.
• FIG. 1 shows an example of an inventively designed bal kenförmigen shaped body in an oblique view with one-sided cut surface.
• Fig. 2 shows two joined moldings, which are formed according to the invention, in an analogous to FIG. 1 executed oblique view;
• Fig. 3 shows an oblique view of a molded body according to the invention, which is provided with a soling layer, in an oblique view;
• Fig. 4 shows a shaped body according to the invention formed on opposite side surfaces with
• Fig. 5 shows in an oblique view a rail level crossing, which is executed using moldings executed according to the invention, in an oblique view.
• the bar-shaped molded body 1 shown in Fig. 1 consists of a composite material, which is formed from small particles, fibers and a binder based on plastic. It contains this composite material as a fiber material both short-cut rock fibers 2, as indicated at the cut surface S by short, running in different directions strokes, and long-fiber rock fibers 3, which are symbolized by dashed lines, and this composite material further contains a powdery filler 4, which is represented at the cut surface S by a puncture.
• the rock fibers 2, 3 and the filler 4 are combined with a binder 5 to a compact mass.
• the binder is a resin consisting of a combination of two reactive resins.
• rock fibers 2 3 Basalt fibers are preferably provided, one can choose for example the length of the short-cut rock fibers 2 of between 2 and 25mm and selects the length of the long-fibrous rock fibers 3 ⁇ advantageous way of greater than 100mm.
• the powdery filler 4 is preferably selected from rock flour, it being possible to influence both the mechanical properties and the weight of the shaped bodies by selecting the amount of this filler.
• rock flour or other inorganic material may also be provided as a filler finely divided organic-chemical material, whereby the mechanical properties can be modified and, if desired, moldings can be obtained with a lower weight.
• An example of eligible finely divided organo-chemical material is plastic granules.
• the preferably provided powdered filler is advantageously used in an amount of 5% - 50% of the total weight of the respective shaped body.
• a binder a combination of polyurethane resin and polyester resin has been proven, with the use of this binder moldings can be obtained with very advantageous strength values.
• Fig. 2 shows two moldings la, lb which are each provided on a side surface 6a, 6b with a recess 7, in which a in Fig. 2 in addition to the moldings la, lb shown positioning body 9 is inserted, for mutual positional fixation of the moldings la , lb serves.
• a in Fig. 2 in addition to the moldings la, lb shown positioning body 9 is inserted, for mutual positional fixation of the moldings la , lb serves.
• the recesses 7 are provided with undercuts 8, at which the positioning body 9, whose cross-section is adapted to the shape of the recess 7, receives a secure hold and thereby the molded bodies 1 a, 5 b joined together at their side surfaces 6 a, 6 b, lb holds securely together.
• Fig. 3 shows a molded body 1 which is provided on its side surface 6c with a soling layer 10 which is softer than the composite forming the shaped body.
• 4 shows a variant of this, in which such Besohlungs- layers 10 are provided on a shaped body 1 on two opposite side surfaces 6c, 6d.
• Fig. 5 shows in schematized form a rail level crossing, which is constructed using inventively formed moldings.
• the sleepers 11 are at their upper side surface 6 d as well as on its underside tenc 6c each provided with a soling layer 10, which is softer than the track sill 11 forming composite material.
• the track sleepers 11 together form a lower layer 14 of moldings which is periodically interrupted by the distances 18 between the individual sleepers 11.
• an upper layer 15 of shaped bodies is arranged, the upper side of which forms a traffic surface lying at rail level, optionally supplementing a roadway or pavement covering (not shown in detail in FIG. 5).
• the moldings of the upper layer 15 denoted by 1, 1a, 1b lie on the support layer 10 provided on the upper surface 6d of the individual sleepers.
• the longitudinal extent 16 of the molded bodies 1, 1a, 1b of the upper layer 15 extends transversely to the longitudinal extent 12 of the shaped bodies of the lower layer 14 formed as track sleepers 11.
• the molded bodies 1a, 1b arranged between the rails 17 of the track are to adjacent side surfaces 6a, 6b a plate-shaped component 19 is joined together, wherein in each of these side surfaces 6a, 6b at least one recess 7 is provided and located in a mold body 1a recess 7 is located in the other Formkör ⁇ per lb recess 7, and it is in each pair of such recesses. 7 a positioning body 9 inserted, which ensures the cohesion of the moldings la, lb.
• intermediate layers 20 can be arranged on the top of the sleepers, wherein the respective desired extent of the rail inclination obtained by appropriate dimensioning of the intermediate layers 20 who ⁇ can.
• Fig. 5 shows, in the illustrated left rail 17 a plane parallel intermediate layer 20, which gives a straight position di- ser rail, and FIG. 5 in the right Darge ⁇ presented rail 17 a slightly wedge shaped intermediate layer 20, an inclined position this right illustrated
• plate-shaped components can, as shown in FIG. 5, be assembled from a plurality of moldings or be made in one piece, e.g. for the formation of covering elements, which are to be laid from rail to rail of a track.

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Road Paving Structures (AREA)
• Laminated Bodies (AREA)
• Compositions Of Macromolecular Compounds (AREA)
• Machines For Laying And Maintaining Railways (AREA)
• Railway Tracks (AREA)

Applications Claiming Priority (2)

Publications (1)

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• 2009
  • 2009-09-22 AT AT0058909U patent/AT11535U1/de not_active IP Right Cessation
• 2010
  • 2010-08-30 AU AU2010300060A patent/AU2010300060A1/en not_active Abandoned
  • 2010-08-30 JP JP2012530049A patent/JP2013505381A/ja active Pending
  • 2010-08-30 EP EP10760578A patent/EP2480721A2/de not_active Withdrawn
  • 2010-08-30 WO PCT/AT2010/000314 patent/WO2011035354A2/de active Application Filing

Non-Patent Citations (1)

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