Classifications

• • 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
  • E01B19/003—Means for reducing the development or propagation of noise
• • 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
  • E01B21/04—Special fastenings, joint constructions, or tie-rods
• • E—FIXED CONSTRUCTIONS
  • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
  • E01B2204/00—Characteristics of the track and its foundations
  • E01B2204/11—Embedded tracks, using prefab elements or injecting or pouring a curable material

Definitions

• the invention relates to a prefabricated chamber filling element for rails, in particular for trams, for insertion between the rail head and rail foot in rail chambers, consisting essentially of a body made of inorganic material and with an associated profile made of elastic insulating material for contact with the rail head, and a method for producing a such chamber filling element.
• Chamber fillers are also shown in an in-house "Technical Notice No. 7.4 / 11.92" by the applicant from 1992.
• EP-B 0 180 118 proposes above the
• the fillers When used for tram tracks, especially in connection with grooved rails, the fillers also have the function of separating structure-borne noise from the surrounding one Straubaumaterial and should serve as the basis for the grouting of the rails up to the top edge of the rail to close a gap between the pavement adjacent to the rail up to the rail.
• the potting material used is designed to be very elastic to ensure the decoupling of the structure-borne noise.
• the chamber block consisting of a body or base profile made of concrete, which was supplemented towards the rail head side by a head profile made of elastomeric material, which in turn was fixed in the base profile is anchored, the head profile can resiliently contact the rail head.
• a mat made of a rubber mixture is applied to areas of the rail foot and the rail web and a rail foot profile made of a Arranged rubber material on which the concrete body of the chamber stone can be stored.
• the chamber stone itself is only clamped into the rail chamber, whereby the elasticity of the rail foot sheathing and the mat in the rail foot area and on the rail head exploit the elasticity of the head profile.
• the disadvantage here is the multi-part manufacture and assembly of the actual rail arrangement from the foot profile, the mat and the concrete body provided with the head profile at the factory; the effort for the pre-assembly of the base profile with the head profile and the mutual anchoring is also relatively high.
• the invention is based on the problem of proposing insulating chamber filling elements which are easy to install, but which are considerably cheaper and easier to manufacture than the prior art.
• the solution provides for a generic chamber filling element that it is formed in one piece and, with the exception of the side facing the rail web, is provided with a covering made of elastic insulating material.
• Elastic insulating material is understood to mean a plastic material such as has hitherto been used for chamber filling elements in the prior art, i.e. polyolefins, various types of rubber-like mixtures up to crosslinked polyurethane foams, polyurethane material according to DE-A-40 04 208 being preferred.
• the insulating material provides electrical insulation and is waterproof.
• Such a chamber stone or chamber filling element fulfills all requirements for structure-borne noise insulation, but is cheaper than pure plastic products and will therefore be preferred in practice for economic reasons. It offers a certain structure-borne noise damping compared to the rail foot and a structure-borne noise insulation compared to the rail web; as is well known, these are the parts of the rail that have the greatest sound radiation.
• the disadvantage of pure concrete chamber blocks can be avoided, namely the lack of stray current insulation, the poor fit in the rail chamber and the lack of water sealing, which can also lead to crumbling or tearing of the concrete blocks in the event of icing.
• Another advantage is the factory production of the chamber filling element, which can be installed immediately in situ and can be supplemented to form continuous strands by adjacent chamber filling elements.
• such a chamber stone can also be combined with conventional chamber filling elements, which consist entirely of plastic. In order to combine the lengths with one another, there is no need for end-side cladding of the chamber filling elements, but only if the end side is exposed and exposed to the weather.
• the body of the chamber filling element can have a recess on the side facing the rail web, as is already known per se, in order to have space there for the attachment of screw connections, tie rod ends and the like.
• the sides of the casing of the body facing the rail head and the rail foot are provided with inclined surfaces which are complementary to the rail head and rail foot and are suitable for being clamped into the rail chamber, so that the entire chamber filling element remains in the rail chamber without gluing.
• the covering is produced in a thickness of approximately 5 to 25 mm, but preferably only approximately 8 to 12 mm thick. This thickness is sufficient to produce sufficient elasticity for the pinching, but on the other hand one to prevent mechanical damage to the concrete body and thus also future leakage against water and to cause electrical insulation.
• Material from a group comprising concrete, bonded clay bodies, pumice stone, natural stone, stoneware or the like is preferably used as the filler body made of inorganic material, with concrete or a corresponding mortar mixture being preferred.
• This concrete or the mortar mixture can also be provided with a special binding agent, which in turn increases the elasticity of the concrete body so that it is not destroyed or its lifespan is increased in the event of vibrations or other attack on the body.
• binders are, for example, polymers which are already used in practice for the production of polymer concrete sleepers. The binder also ensures good workability of the concrete or mortar.
• a base body made of inorganic material can be provided with a cover on three sides and / or additionally on the end sides of the body, for example by hot forming and / or gluing the casing, by applying polyolefin material.
• a glue a two-component glue can serve as a contact glue or heat-activatable glue, which provides sufficient adhesion between inorganic and organic substances.
• the IcosiKED material known from practice (brand of Sika-Chemie GmbH, Stuttgart, DE) based on polyurethane can be used.
• the completed element can then be brought to the construction site as a ready-to-fit chamber filling element.
• the invention will be briefly explained using a schematic drawing.
• the single figure shows in partial section through a track a rail suitable for a tram with web 1, rail foot 3 and the head parts 2, 4, the latter with the groove for the flange of the tram wheel.
• the space between the rail head, rail web and rail foot forms the rail chamber or link chamber. Since the rail base is usually wider than the rail head, the chamber filling element is chosen larger than the actual chamber space to simplify the track construction.
• This rail is installed in a surrounding plaster 12, the surface of the rail head being at approximately the same height 11 as the surroundings.
• a chamber filling element In the left part of the figure, a chamber filling element, generally provided with the reference number 6, is arranged, which has a sleeve 7 made of elastic insulating material, here polyurethane-bound rubber material, into which a concrete body 5 has been cast.
• the concrete body 5 contains a recess 9 as a space for attaching tabs or screw connections to the rail web, as are common for tie rods, for example.
• Such a concrete body 5 'of a chamber filling element 6' with the same covering 7 ' is shown in the right partial image.
• the chamber filling element is supported with the outside of the casing on the rail head from the contact surface 13 and on the other hand from the rail base on the contact surface 14. The chamber filling element has been clamped into this position by pressing.
• the contact surface 13 'on the rail head and the contact surface 14' on the rail base can be seen in the right partial image.
• the remaining joint 10 or 10 ' has been filled with a potting compound, for example made of polyurethane.
• the shell shown here monolithically can also consist of several parts e.g. have been merged together.
• the casing can also be designed such that the area of the joint 10 to be cast is also formed as part of the casing 7, 7 '.

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Road Paving Structures (AREA)
• Road Signs Or Road Markings (AREA)
• Compressor (AREA)
• Connector Housings Or Holding Contact Members (AREA)
• Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
• Cable Accessories (AREA)
• Telephone Function (AREA)
• Socks And Pantyhose (AREA)
• Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Applications Claiming Priority (3)

Publications (2)

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ID=7627696

Family Applications (1)

Country Status (5)

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Family Cites Families (9)

• 2000
  • 2000-01-17 DE DE10001605A patent/DE10001605C1/de not_active Expired - Fee Related
• 2001
  • 2001-01-17 WO PCT/EP2001/000501 patent/WO2001053606A1/fr active IP Right Grant
  • 2001-01-17 DE DE50108236T patent/DE50108236D1/de not_active Expired - Fee Related
  • 2001-01-17 AT AT01942691T patent/ATE311497T1/de not_active IP Right Cessation
  • 2001-01-17 EP EP01942691A patent/EP1248883B1/fr not_active Expired - Lifetime
  • 2001-01-17 AU AU28474/01A patent/AU2847401A/en not_active Abandoned

Non-Patent Citations (1)

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