WO2003002817A1 - Panneaux ou longrines pour voie ferree tubulaire - Google Patents

Panneaux ou longrines pour voie ferree tubulaire Download PDF

Info

Publication number
WO2003002817A1
WO2003002817A1 PCT/ZA2002/000075 ZA0200075W WO03002817A1 WO 2003002817 A1 WO2003002817 A1 WO 2003002817A1 ZA 0200075 W ZA0200075 W ZA 0200075W WO 03002817 A1 WO03002817 A1 WO 03002817A1
Authority
WO
WIPO (PCT)
Prior art keywords
lengths
tubular
concrete
gap
filling
Prior art date
Application number
PCT/ZA2002/000075
Other languages
English (en)
Inventor
Peter Gunter Kusel
Original Assignee
Peter Gunter Kusel
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 Peter Gunter Kusel filed Critical Peter Gunter Kusel
Publication of WO2003002817A1 publication Critical patent/WO2003002817A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • 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
    • E01B3/38—Longitudinal sleepers; Longitudinal sleepers integral or combined with tie-rods; Combined longitudinal and transverse sleepers; Layers of concrete supporting both rails
    • 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
    • E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
    • 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
    • E01B2204/10—Making longitudinal or transverse sleepers or slabs in situ or embedding them

Definitions

  • This invention relates to panels or beams for tubular railway track.
  • the concept comprises the steps of preparing longitudinal trenches for the rails and then laying flexible tubes in the trenches followed to filling these tubes with concrete.
  • the resulting structure accepts the feet of the rails and suitable pads or the like may be used to dampen the forces on the concrete-filled tubes.
  • the tubular track concept provides full and continuous support below the rails, resulting in lower stresses and possible smaller rail size. There is also a fixed geometry with a resultant reduction in maintenance.
  • the steel components for holding the gauge and also the rail to the tubes are formed around the tubes as opposed to being cast into a beam.
  • the total structure is flexible and eliminates the normal shear forces created when cast in concrete. All forces created by trains are transferred to the tubes in compression which is the desirable situation for concrete.
  • a method of forming tubular track includes the steps of filling short open lengths of tubular material with a settable composition, allowing the composition to set, in a predetermined shape or configuration, closing the lengths and inverting them for use as panels for laying tubular track
  • the concept of the invention has been derived from the observation that the top zone of cured concrete has a very low compression strength whereas the middle and lower zones have far greater strength.
  • the short lengths of tubular material may be laid in a former of the desired curvature or shape and the edges thereof provided with means to fasten them together when the concrete or other settable composition has set.
  • the edges may be provided with hooks and loops type of connection.
  • the short lengths are formed as above, but the last filling before complete closing of the short lengths includes a final pumping of concrete.
  • the short lengths are located in position and adjustments are made in relation to their location, height and the like and then fixing them in position and locating rails thereon.
  • the invention also extends to such short lengths of tubular structure which are preferably provided in pairs of the correct gauge.
  • These short lengths may be easily transported to the required work site without the rails, and stacked in layers; after which they can be laid end to end in pre-prepared trenches or like formations. After this the correct alignment can be achieved, firstly by lifting and aligning the lengths and filling the gap between the trench or any formations in the trench, and the bottom of the lengths with a coarse material such as sand. Then the final alignment can be achieved by filling the remaining gap with fibre reinforced concrete of other durable material which should also have resilient properties.
  • another final alignment may be accomplished by using the original tubular track concept - for example by placing a tube or bag in the gap and pumping it full of concrete or other suitable material to take up the shape of the gap.
  • the individual lengths may have protruding reinforcing and the adjacent reinforcing may overlap. This may be joined using the original method of using a bag and filling it with concrete or the like.
  • the individual lengths may also be designed to interlock to form a continuous support for the rails.
  • the individual lengths may also include hoops or straps to assist in retaining the shape or configuration. These hoops also serve to accept the transverse forces which occur during use.
  • Figure 1 is a cross section view of tubular elements in their final position
  • Figure 2 is a similar view of a tubular element showing the formers used to shape the tubular elements
  • Figure 3 is a sectional view of an arrangement for forming the tubular elements and showing the inversion operation
  • Figure 4 is a sectional view of tubular track where the beam is formed to fill the gap between the bottom of the rails and the soil formation therebelow;
  • Figure 5 is a similar view but showing the filling of the gap between the bottom of the rails and the soil formation therebelow.
  • formers 10 which receive and retain a length of a tubular member for supporting a rail.
  • This member takes the form of an elongated bag 11 of flexible material which has been filled with concrete.
  • Suitable transverse (12) and longitudinal (13) reinforcing rods are provided.
  • the formers 10 are designed to correspond with the desired shape of the tubular element, which as shown in Figure 1 comprises connecting means 14, for example hooks and loops attachment (such as Velcro Trade Mark).
  • the rails 17 are secured by means of clips 16.
  • the length of material 11 is located in the shuttering 19 which is positioned to achieve a particular cross sectional shape of the element and is held in place by toggle clamps .
  • Concrete is applied either by being pumped in from a side or end or poured from a top position as indicated by -x- until full when the tubular element is formed by closing the connections means 14.
  • a final filling operation is carried out before the final connection is made.
  • the aggregate is then allowed to set and is then inverted and then placed in position using suitable guide means to assure correct geometry.
  • suitable guide means are shown as reference 22 which is an I-beam and 23 which is guide member.
  • the rails 17 are shown in dotted line.
  • the inversion results in the bottom surface of the element to be straight and smooth, while the top surface may be irregular because it becomes the bottom surface in use.
  • the former 24 which is applied by press screws 25 may include a grid pattern, which also serves to improve traction with the earth base.
  • the tubular element is located in hoops 27 and which have rail clips 16.
  • the tubular element rests on a layer 28 of soil.
  • Backfill 29 is applied and a layer 30 of concrete is formed between the members. This layer may comprise a drain.
  • tubular members are located as shown but with the gap between the bottom of the tubular elements and the surface 31 of the soil being filled with a filler material 32.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Revetment (AREA)

Abstract

Selon cette invention, une voie tubulaire est produite à l'aide d'éléments courts de matériau tubulaire (11) remplis d'un mélange prêt à être mis en forme tel que du béton, ce qui permet que ce matériau soit fixé dans une forme et une configuration voulues. Les éléments sont fermés puis inversés de façon que la zone inférieure à résistance à la compression élevée devienne la zone supérieure. Ces éléments courts sont mis en position, des ajustements sont effectués, et les éléments sont ensuite fixés dans leur position.
PCT/ZA2002/000075 2001-05-16 2002-05-14 Panneaux ou longrines pour voie ferree tubulaire WO2003002817A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA2001/3972 2001-05-16
ZA200103972 2001-05-16

Publications (1)

Publication Number Publication Date
WO2003002817A1 true WO2003002817A1 (fr) 2003-01-09

Family

ID=25589162

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2002/000075 WO2003002817A1 (fr) 2001-05-16 2002-05-14 Panneaux ou longrines pour voie ferree tubulaire

Country Status (1)

Country Link
WO (1) WO2003002817A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1112613A (en) * 1914-02-18 1914-10-06 Frank O Hellstrom Rail-support.
US4947756A (en) * 1988-08-18 1990-08-14 Peter G. Kusel Laying railway track
DE19855350A1 (de) * 1998-12-01 2000-06-15 Bahnbau Wels Gmbh Wels Verfahren zum Einbauen eines Gleises auf Tragplatten einer festen Fahrbahn sowie Schalung und Förderungs- und Einbaueinrichtung hierfür

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1112613A (en) * 1914-02-18 1914-10-06 Frank O Hellstrom Rail-support.
US4947756A (en) * 1988-08-18 1990-08-14 Peter G. Kusel Laying railway track
DE19855350A1 (de) * 1998-12-01 2000-06-15 Bahnbau Wels Gmbh Wels Verfahren zum Einbauen eines Gleises auf Tragplatten einer festen Fahrbahn sowie Schalung und Förderungs- und Einbaueinrichtung hierfür

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