EP3617024A1 - Trägerspurstruktur und schiene - Google Patents

Trägerspurstruktur und schiene Download PDF

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Publication number
EP3617024A1
EP3617024A1 EP18791859.4A EP18791859A EP3617024A1 EP 3617024 A1 EP3617024 A1 EP 3617024A1 EP 18791859 A EP18791859 A EP 18791859A EP 3617024 A1 EP3617024 A1 EP 3617024A1
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EP
European Patent Office
Prior art keywords
load
bearing
cords
rail
elements
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Granted
Application number
EP18791859.4A
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English (en)
French (fr)
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EP3617024A4 (de
EP3617024B1 (de
EP3617024C0 (de
Inventor
Anatoli YUNITSKI
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Unitsky Anatoli Eduardovich
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Individual
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Publication of EP3617024C0 publication Critical patent/EP3617024C0/de
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B3/00—Elevated railway systems with suspended vehicles
    • B61B3/02—Elevated railway systems with suspended vehicles with self-propelled vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B5/00—Elevated railway systems without suspended vehicles
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00—Tracks for special kinds of railways
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B5/00—Rails; Guard rails; Distance-keeping means for them
    • E01B5/02—Rails
    • E01B5/08—Composite rails; Compound rails with dismountable or non-dismountable parts

Definitions

  • the invention relates to the area of track transport systems, particularly, to the aboveground (elevated) transport systems of trussed type, which provide high-speed cargo and passenger traffic.
  • transport system [1] which track is formed with a truss of triangular cross-section
  • transport module comprising two carriages rigidly connected with each other and including the truss, moves along the rail installed on the top of the truss cross-section.
  • the module also rests on two other rails installed on the truss sides.
  • the transport trussed structure [2] is known, representing a track formed with the tubes of circular or rectangular cross-section, or profiles (I-beams, channel sections, etc.) and connected with each other by means of trusses having a triangular profile in cross-section.
  • the movement of transport modules or trains can be carried out along the supporting rails (main length of rails) installed in its lower part, whereas the vertical stabilization of the carriages is due to the contact between their carrying wheels and carrying rails (auxiliary rail cords), located in its upper part. Both the supporting and carrying rails can simultaneously represent load-bearing elements of trusses.
  • the track can be covered with a housing, which protects it from atmospheric precipitation.
  • the trusses rest on supports, which are pillars of tubular cross-section that can be made telescopic for the convenience of their height adjustment in order to adapt the track to surface irregularities, or framed structures similar to high-voltage power lines pylons.
  • the general drawback of the specified trussed structures is transportation difficulties during delivery thereof to site of installation of bulky continuous trusses of superstructures, as well as their labor-consuming assembling process under complex-terrain field conditions and limited capacity of use of conventional technologies and equipment.
  • the Yunitski's transport system [3] is known, with the track structure in the form of a prestressed string-rod truss.
  • the main and auxiliary rail cords therein are made with a prestressed load-bearing member and located at different levels between the adjacent supports. They are connected with each other by a sequence of rod elements regularly oriented in a zigzag manner.
  • the longitudinal axes of the rod elements form triangles together with the longitudinal axes of the main and auxiliary rail cords.
  • the method for the construction thereof including its installation on the foundation of anchor and intermediate supports, tensioning and mounting of load-bearing members of track structure on different levels of anchor supports - at least, one main rail cord (main length of rail cord) and one auxiliary rail cord, fixing of main rail cord and auxiliary rail cord on the corresponding levels of intermediate supports, as well as fixing of mutual position of main rail cord and auxiliary rail cord in the span between adjacent supports.
  • auxiliary cord both in the form of a load-bearing member, either without a solid body (when the body transforms into a multitude of connecting shells spaced along the load-bearing member), or with a solid extended body comprising a load-bearing member.
  • an auxiliary rail cord (one or more), being located under the main cord in the same plane therewith, can be used as a retaining rail, which has a lateral rolling surface for spatial orientation of wheeled vehicles for the monorail-type system.
  • the longitudinal rigidity of the system is increased. Moreover, it becomes possible to increase spans between the supports up to 100 m and more, practically at a zero sag of the main cord. This enables to build transport systems with both multi-rail and single-rail track structures.
  • the known transport system and the method of construction thereof have the drawbacks associated with insufficient lateral rigidity, whereas the rail cord structure does not allow to achieve the required evenness of the track structure when organizing high-speed movement.
  • the Yunitski's transport system [4] is known, taken as a prototype. It comprises at least one trussed track structure, which includes at least one main length of rail cord installed on the supports mounted on the foundation, and at least one auxiliary rail cord located at a different level.
  • the main length of rail cord is structured as a prestressed load-bearing member enclosed in the extended body, with the rolling surface for wheeled vehicles adjacent to it.
  • the auxiliary rail cord is made as a prestressed load-bearing member enclosed in the body.
  • the main and auxiliary rail cords are connected with each other at spans between the adjacent supports by a sequence of rod elements oriented in a zigzag manner. The rod elements are placed between the main and auxiliary rail cords and form triangles with them. Further, at every level the left cords and right cords are assembled with each other by means of cross bulkheads, which are installed in nodes of connection of rod elements and cords.
  • the rail cord of the known transport systems is formed by the rails of a string type stretched between anchor supports.
  • the common feature of these rails is the presence of an extended body with the rolling surface conjugating therewith, and with the prestressed longitudinal load-bearing structure enclosed therein.
  • the rolling surface conjugating the body forms a smooth track for the vehicle supporting wheels, each of them giving vertical load on the track structure.
  • the rail of transport system by Yunitski [5] comprising hollow tubular body, with prestressed extended load-bearing elements placed inside thereof, whereas the volume of void space is filled up with solid monolithic material, while the extended load-bearing elements are placed inside the body of rail to be in contact with inner surface of its wall along the line of load application and equipped with adjusting gaskets, directly encasing the surface of the load-bearing elements.
  • the disadvantage of the mentioned rail is its low technological effectiveness when used as trussed structures, labor intensity at assembly of zigzag oriented rod elements, as well as the necessity to guarantee formation of additional nodes of connection load-bearing elements of adjacent load-bearing members, which will lead to higher complexity and lower reliability of assembly of the system.
  • the rail of transport system by Yunitski is known [6], comprising head and hollow body, performed as U-shaped or with side walls inclined to each other. Inside the body, at least one prestressed extended ganged element is positioned. Lower edges of body are designed to have obverse thickenings with preset shape and cross section area.
  • the drawback of the mentioned rail is its low technological effectiveness when used as trussed portions of superstructure, in particular, considerable labor intensity at assembly of zigzag oriented rod elements.
  • the rail of transport system by Yunitski is known, taken as prototype [7]. It comprises hollow extended body with (positioned inside therein) at least one load-bearing member, containing prestressed in longitudinal direction load-bearing elements, gathered in load-bearing structure.
  • load-bearing structure is structured in the form of several wire cables, positioned in horizontal and vertical planes and equipped along its length by clamping means.
  • clamping means are configured as couple: a screw-nut, whereby one element of the couple is rigidly fastened with the body, whereas clamping means of longitudinal ganged element are equipped with saddle and cushion layer, placed between clamping and ganged elements.
  • the technical tasks in accordance with the aim set forth by the present invention are achieved by using trussed structure of high-speed transport system by Yunitski, wherein the supports mounted on the foundation with rail cords installed thereon of at least one main load-bearing member, and at least one auxiliary load-bearing member located at a different level, contain longitudinally prestressed load-bearing elements brought together in a load-bearing structure, whereby the cords of main and auxiliary load-bearing members form a load-bearing structure positioned in the extended body and filled with hardening material, whereas the extended body is performed with conjugating rolling surface, whereby the cords of main and auxiliary load-bearing members, with use of fastening components, are connected with each other by zigzag oriented rod elements via plates rigidly fixed on the ends thereof, forming a truss of the superstructure, whereas the longitudinal axes of the rod elements, together with the longitudinal axes of the cords, form triangles with corners in nodes of
  • the plates of multidirectional rod elements are to be positioned on the opposite lateral sides of load-bearing element.
  • a profiled axial slot can be performed, with the shape corresponding to the shape of the load-bearing element.
  • main and/or auxiliary cords are designed at least paired.
  • the designated result is achieved also by interconnecting at each level the paired cords with rigid cross bulkheads, which, further, are installed in nodes of connection of rod elements and cords and made together with fastening components.
  • fastening components structural components of the extended body are used, i.e. threaded and unthreaded holes, arranged coaxially to force of clamping of plates and load-bearing elements in nodes of connection of rod elements and cords.
  • Load-bearing element can be produced in the form of twisted or untwisted cables, cords, strands (ropes), strips, bands or other standard extended elements manufactured from any high-strength materials.
  • the length L, m, of plate would be related to the length L k , m, of the end of the joined load-bearing element, by dependence, determined by the ratio: 2 ⁇ L / L k ⁇ 5.
  • Alternative embodiment of the rail involves load-bearing elements in vertical direction being separated by clamping straps, whereby these clamping straps can be performed with through holes, arranged coaxially to central axes of symmetry of the profiled slotted holes of plates.
  • a profiled axial slot is arranged which shape corresponds to the shape of the load-bearing element.
  • superstructures G can vary depending on the terrain features, design parameters and engineering viability.
  • alternative embodiment of superstructure G of trussed track structure will be a cable-stayed truss, suspended and/or combined system (not shown on Fig.).
  • anchor 2a supports and intermediate 2b supports may take various design appearance - in the form of towers, pillars with caps, steel and ferroconcrete columnar and frame buildings and constructions, equipped with passenger platforms and/or cargo terminals, other special-purpose constructs or trussed structures.
  • Trussed track structure S is designed to host transportation lines (passenger and/or cargo, and/or cargo-passenger). Vehicle (not shown on Fig.) can be either wheeled on the track structure S, or suspended thereto from below.
  • Anchoring devices of rail cords 3 and 4 of, respectively, main 3 1 and auxiliary 4 1 load-bearing members of track structure S, on anchor 2a supports and intermediate 2b supports or in superstructure G involve any known devices, similar to those used in suspended and cable-stayed bridges, cableways and prestressed reinforced concrete structures for fastening (anchoring) of stretched load-bearing members.
  • Rail cords 3 and 4 of main 3 1 and auxiliary 4 1 load-bearing members of track structure S are embodied as longitudinally prestressed load-bearing elements 5.1 brought together in a load-bearing structure 5, positioned in the extended body 6 (respectively, 6.1 and 6.2 for rail cords 3 and 4). Prestressing of load-bearing elements 5.1 allows to transfer tension force, respectively, to F 1 , N, and F 2 , N, which are applied to the mentioned load-bearing elements 5.1 of load-bearing structure 5 of rail cords 3 and 4 of main 3 1 and auxiliary 4 1 load-bearing members of track structure S (see Fig.1 , 12 ).
  • Rail cords 3 and 4 are embodied as follows.
  • Load-bearing elements 5.1 are brought together in a load-bearing structure 5 and positioned in the extended body 6 with rolling surface 7 conjugating thereto (see Fig.6 ) for vehicle wheels (not shown on Fig.).
  • load-bearing structure 5 is formed by filling up with hardening material 8 of the portion of internal space of the extended body 6 which is vacant of load-bearing elements 5.1.
  • load-bearing members 3 1 and 4 1 of, respectively, rail cords 3 and 4, are acting in trussed track structure S not as a flexible member, but as a continuous stiffening girder.
  • load-bearing structure 5 one and/or more strands of load-bearing elements 5.1 are used, embodied, as example, as one or several twisted or untwisted steel cables, as well as cords, strands (ropes), strips, bands or other extended elements produced of any high-strength materials.
  • longitudinally oriented elements of track structure can be used - e.g., body 6 of rail cord 3 and/or 4 of main 3 1 and/or auxiliary 4 1 load-bearing members of track structure S.
  • main 3 rail cord and auxiliary 4 rail cord may be realized as bodies 6.1 and 6.2 with load-bearing structures 5 positioned therein, and represent, respectively, main and auxiliary beams of truss chord G of superstructure (see Fig.12 ).
  • trussed track structure S provides for the use of suspended vehicle on the main rail cord 3 of main truss chord G of superstructure and mounted vehicle on the auxiliary rail cord 4 of auxiliary truss chord (not shown on Fig.).
  • Fig.6 represents a schematic view of embodiment of cross slot of body 6 of main 3 rail cord.
  • Extended body 6.1 of main rail cord 3, positioned on one level, represents the main chord of trussed structure, which can be lower or upper, depending on the position relative to auxiliary cord 4 and design of vehicle in use (not shown on Fig.).
  • auxiliary rail cord 4 comprises its own body 6.2 (if present) and represents auxiliary truss chord - which can be upper or lower, depending on the position relative to main cord 3, which is determined by conditions of the specific design and engineering concept and design of vehicle in use (not shown on Fig.).
  • the conjugating with bodies rolling surfaces of main and/or auxiliary rail cords 3 and 4 are positioned on upper and/or lower, and/or side outer surfaces of bodies 6.1 and 6.2.
  • Fig.12 represents embodiment of track structure, where main rail cord comprises lower chord of truss G of superstructure and is prestressed under applied tension force F 1 , as shown on Fig.1 , whereas auxiliary cord, - being under tension force F 2 , - comprises upper chord of truss G.
  • auxiliary cord 4 (not shown on Fig.), which in such case represents a prestressed extended load-bearing structure 5, comprised of one or several stressed load-bearing elements 5.1.
  • auxiliary cord 4 can come without body 6 (without formation of auxiliary rail track), or auxiliary cord 4 may be realized with a body 6.2 in the form of auxiliary beam of upper chord of truss G of superstructure of track structure S.
  • Zigzag oriented rod elements 9 can be produced as profile (shaped) with cross section in the form of a tube (circular or shaped) or, alternatively, profiled in cross section from any known profiles, such as: T-beam, I-beam, channel section, angle or a strip, or various combinations thereof.
  • Fastening components 11 may be embodied in any traditional way know in the art.
  • fastening components 11 it is expedient to use, for example, a threaded joint of type screw 11.1 - nut 11.2 (see Fig. 6 , 15 , 16 ).
  • the joined ends P 1 and P 2 of load-bearing member 5.1 are positioned, according to design specifications, in node A and/or B and/or C of connection of multidirectional zigzag oriented rod elements 9.1 and 9.2 and cords 3 and/or 4 (see Fig. 2 , 7 ).
  • ratio (1) indicate the optimum range of transverse forces and allow without any difficulties to secure the clamping of plates 10 and load-bearing elements 5.1 in load-bearing structure 5 with optimum force, providing for fixing of joined ends P 1 and P 2 of load-bearing element 5.1 of longitudinally stressed load-bearing structure 5, requiring reliability and durability of joining elements of load-bearing structure, load-bearing capacity of truss G of superstructure and its manufacturability.
  • the rail cords of load-bearing members will have fewer local inhomogeneity areas along them, while the trussed track structure S itself becomes more reliable and less complex to manufacture.
  • the ratio (1) will be less than 0,1, then it will be impossible to secure the force of clamping of plates 10 and load-bearing elements 5.1 in load-bearing structure 5, required for fixing of joined ends P 1 and P 2 of load-bearing element 5.1, as well as - required rigidity and load-bearing capacity of nodes of truss G of superstructure.
  • ratio (1) will be more than 0,95, then possibility increases of overstressing in nodes of connection and, in particular, in fastening components 11, which may result in loss in reliability of the whole truss G of superstructure and its disintegration under high-cycle loading.
  • profiled slotted through holes 12 are performed, which guarantee the feasibility of plates 10 to sidewise displace themselves relative to load-bearing structure 5 and fastening component 11, as well as the feasibility of plates 10 to axially displace themselves relative to load-bearing structure 5 and fastening component 11 (see Figs. 2 , 3 , 5 , 7 , 11 ).
  • the profiled slotted through holes 12, performed in plates 10, allow the plates 10 to clamp transversally the load-bearing elements 5.1 of load-bearing structure 5 in nodes A, B, C of connection of rod elements 9 with cords 3 and/or 4 (see Fig. 12 ), as well as to adjust axially, in situ, in those nodes of truss G of superstructure, the gaps and accumulated errors of linear dimensions of the elements of its structure.
  • Plates 10 of multidirectional zigzag oriented rod elements 9.1 and 9.2 are positioned on the opposite lateral sides of load-bearing element 5.1, which allows to build load-bearing structure 5 with load-bearing elements 5.1 rigidly fastened against each other, to guarantee the evenness of clamping thereof in nodes A, B, C of connection of rod elements 9 with cords 3 and/or 4 and uniformity of distribution of forces in multidirectional zigzag oriented rod elements 9.1 and 9.2 of truss G of superstructure. In doing so, assembling process of extended trusses G of superstructures and rail cords 3 and 4 of main 3 1 and auxiliary 4 1 load-bearing members, including, in field conditions, is considerably simplified.
  • Plates 10 are embodied with length L, m, width H, m, and thickness T, m, (see Figs. 4, 5 , 7 , 11 , 13 ), values of which are given in the description of the design of trussed track structure of high-speed transport system by Yunitski.
  • the length L, m, of plate 10 is performed according to the dependence between the length L, m, of plate 10 and the length L k , m, of end P 1 and/or P 2 of joined load-bearing element 5.1, determined by the ratio: 2 ⁇ L / L k ⁇ 5 .
  • ratio (2) will be less than 2, subsequently, to reliably fix the joined ends P 1 and P 2 of load-bearing element 5.1, secondary clamping forces and/or use of other engineering decisions for securing the process of fixing of joined ends P 1 and P 2 of load-bearing element 5.1 will be required, which leads to track structure cost overrun.
  • ratio (2) will be more than 5, it will result in untenable overspending of structural materials and, as a consequence, - track structure cost overrun.
  • trussed track structure involves separation in vertical direction of load-bearing elements 5.1 by plates 10 and clamping straps 13 in load-bearing structure 5 and their specific allocation in that structure horizontally - in single or several vertical layers and/or in single and/or several horizontal layers (see Fig. 8, 9, 10 , 13 , 17 ).
  • clamping straps 13 as vertical separation layers between load-bearing elements 5.1 of load-bearing structure 5, in addition to plates 10 and fastening components 11 used for the same technical purpose, allows to structurize load-bearing elements 5.1 in load-bearing structure 5 and form the latter with required preset technical parameters via preliminary distribution of load-bearing elements 5.1 in body 6 according to the design pattern with required positioning of each of elements in respective portion of body 6 of rail cord 3 and/or 4.
  • load-bearing elements 5.1 are used as load-bearing structure 5, positioned, at least, in single/or several horizontal layers and/or vertical layers, use of plates 10 and/or clamping straps 13, joined by fastening components 11, allows to securely divide and position apart load-bearing elements 5.1, to determine, as per design pattern, their location in body 6 with required positioning of each of them and exclude the feasible snarling at assembly of track structure S.
  • Such embodiment of trussed track structure S ensures design shaping and distribution of stress pattern of load-bearing structure 5, results in better manufacturability and increased durability while reducing material consumption of trussed track structure S, as well as its increased safety and reliability in case of breaking of one of load-bearing elements 5.1 of load-bearing structure 5 in operation.
  • clamping strap 13 is reasonable and justified if its length, width and thickness are equal to those of plate 10, but with hole 14, arranged coaxially to central axes of symmetry of the profiled slotted through hole 12 of plate 10 (see Figs 3, 4, 5 , 8, 9, 10 , 11 ).
  • clamping straps 13 it becomes easier to assembly load-bearing elements 5.1 in load-bearing structure 5, to align and position load-bearing elements 5.1 relative to fastening components 11 and body 6 of rail cord 3 and/or 4, which, in turn, results in higher torsional rigidity and load-bearing capacity of trussed track structure S as a whole and truss G of each superstructure in particular.
  • adjusting gasket and/or insert 16 is used, manufactured from metal and/or composite material and positioned in slot 15 between load-bearing element 5.1 and clamping strap 13 and/or plate 10 (see Fig.13 ).
  • Main 3 and auxiliary 4 rail cords of load-bearing members 3 1 and 4 1 are performed, at least, as couple, - left and right.
  • main cord 3 - such are the strings of load-bearing members 3 L 1 and 3 P 1 , with longitudinal axes, respectively, X 1 and X 2 , which have been prestressed in longitudinal direction due to forces F 1 , N, and F 1.1 , N, (see Fig. 14 ), applied to load-bearing structures.
  • load-bearing members of auxiliary cord 4 are also performed as couple (not shown on Figs).
  • left 3 L 1 and right 3 P 1 rail cords of main 3 1 load-bearing member of track structure S are connected together in lower chord of space truss G of superstructure via stiff cross bulkheads 17 (see Fig.14 ).
  • left and right auxiliary 4 rail cords of the respective load-bearing member 4 1 of track structure S are connected together in upper chord of space truss G of superstructure via stiff cross bulkheads 17 (not shown on Figs).
  • cross bulkhead is determined exclusively by the parameters of approved design and engineering concept, calculated values of technical characteristics of trussed track structure, the shape and dimensions of vehicle, aesthetic requirements and appearance of transport structure, materials consumption and cost thereof, and may be chosen to have an arbitrary shape from all the variety of embodiments thereof, as long as it is satisfactory in the view of optimization of the above mentioned requirements.
  • the trussed track structure S of increased rigidity both in longitudinal and transverse directions of superstructure which allows to reduce materials consumption of the mentioned structure and increase the length of spans.
  • Cross bulkheads 17 are installed, respectively, in nodes A, A 1 (A n , A 1 n ) and/or C, C 1 of connection of rod elements 9 with main left 3 L 1 and main right 3 P 1 (see Fig.14 ) rail cords of load-carrying structures (of lower chord) of truss G of superstructure, and are made together with fastening components 11 (see Figs. 15 , 16, 17 ) with all above mentioned characterizing features.
  • cross bulkheads 17 may be produced and installed in nodes of connection of rod elements 9 with the right and left auxiliary cords of load-bearing structures (of upper chord) of truss G of superstructure (not shown on Figs).
  • cross bulkhead 17 in nodes of connection of rod elements 9 and cords 3 and/or 4 together with fastening component 11 (11.1) allows to unify the nodes of track structure S of space truss G of superstructure, in order to make the structure more rigid, reduce labor intensity and manufacturing costs thereof.
  • the trussed track structure comprises supports 2 (of anchor 2a and intermediate 2b types), distributed on foundation 1 from soil along the track.
  • supports 2 on different levels, rail cords 3 and 4 are positioned, of at least one main 3 1 load-bearing member and, at a different level, of at least one auxiliary 4 1 load-bearing member of track structure S, which are connected together, fastened above the foundation 1 and make, at least, one truss G of superstructure (see Fig.1 ).
  • Rail cords 3 and 4 of main 3 1 load-bearing member and auxiliary 4 1 load-bearing member of track structure S are made in the form of longitudinally prestressed load-bearing members 5.1 unified in load-bearing structure 5. Prestressing thereof is ensured by application of tension forces, respectively, of F 1 , N, and F 2 , N, applied to the mentioned load-bearing elements 5.1 of the load-bearing structure 5 (see Fig.1 , 12 ).
  • Load-bearing elements 5.1 brought together in the load-bearing structure 5, are placed into extended body 6 with rolling surface 7 conjugating thereto.
  • the load-bearing structure 5 is formed by filling up with hardening material 8 of volume of extended body 6 void of load-bearing elements 5.1 (see Fig. 6 ).
  • hardening material 8 depending on design option, mixtures on the basis of polymer binding composites, concrete mixtures (see Fig. 6 , 12 ) and/or analogous hardening materials can be used.
  • Rail cords 3 and 4 of main 3 1 and auxiliary 4 1 load-bearing members of track structure S are connected with each other in a truss G of superstructure with use of zigzag oriented rod elements 9 (on Fig.2 are indicated, respectively - 9.1 and 9.2) with plates 10 rigidly fastened on the ends thereof and fastening components 11 (see Fig. 2 , 6 ).
  • Longitudinal axes W and Z of rod elements 9 with longitudinal axes X and Y of, respectively, rail cords 3 and 4 of main 3 1 and auxiliary 4 1 load-bearing members of track structure S, are forming triangles ABC with corners A, B, C, in nodes of connection of rod elements 9 with cords 3 and/or 4 (see Fig.1 , 6 and 12 ).
  • plates 10 and fastening components 11 are positioned in those nodes with possibility of forming of transverse forces of clamping in load-bearing structure 5.
  • the minimum lateral dimension a, m, of rod elements 9 and their length l , m, are connected by ratio: 5 ⁇ I / a ⁇ 50 .
  • ratio (3) will be less than 5, then such rod element structure will have unreasonably high material intensity and cost.
  • ratio (3) will be more than 50, then such structure of rod elements 9 will have the following insufficient parameters: stability (esp. when longitudinally compressed), load-bearing capacity, rigidity and durability.
  • Rail of the trussed track structure of the high-speed transport system by Yunitski also constitutes a part of the matter of the claimed invention.
  • the rail according to the proposed engineering solution includes, at least, one load-bearing member, which contains longitudinally prestressed load-bearing elements 5.1, brought together in the load-bearing structure 5, positioned in extended body 6 and filled up with hardening material 8, whereas the extended body has a rolling surface 7 conjugating therewith, and is configured with possibility to accommodate therein plates 10 and fastening components 11 (11.1 and 11.2), positioned in the nodes A, B, C of connection of rod elements 9 and cords 3 and 4, with aim to form transverse forces of clamping F n , H in load-bearing structure 5.
  • body 6 in some cases of alternative embodiments of body 6 (6.1 and/or 6.2), in a preferred variant, as fastening components 11, structural parts 18 of extended body 6 in the form of threaded 18.1 or unthreaded 18.2 holes are used, positioned therein coaxially to clamping force F n , N, of plates and load-bearing elements 5.1 in nodes A, B, C of connection of rod elements 9 and rail cords 3 and 4 (see Fig.12 ).
  • Embodiment in extended body 6 of structural parts 18 in the form of threaded 18.1 or unthreaded 18.2 holes of fastening components 11 allows to ensure the correct unification of structural components and technological effectiveness of joining structural components of truss G of superstructure in nodes of connection of rod elements 9 and cords 3 and/or 4 of trussed track structure S.
  • the form and dimensions of the plate guarantee the reliability and technological effectiveness of joining of structural components of truss G of superstructure in nodes of connection of rod elements 9 and cords 3 and/or 4.
  • the length L, m, of plate, its width H, m, and thickness T, m are connected with minimum lateral dimension d, m, (see Figs.2 , 3 , 5 , 7 , 11 , 13 ) of load-bearing element 5 1 by the following ratios: 5 ⁇ L / d ⁇ 50 , 3 ⁇ H / d ⁇ 30 , 0,1 ⁇ T / d ⁇ 2 .
  • the specified ranges of ratios (4), (5), (6) define the optimal ranges of values of linear dimensions of plates 10 and/or clamping straps 13 relative to minimum lateral dimension d, m, of load-bearing element 5 1 , accuracy of which guarantees the retention of the form and contact surface area in the process of clamping by plates 10 and/or clamping straps 13 of load-bearing element 5.1.
  • ratio (5) will be less than 3, then such embodiment of the structure of node of connection will be impossible due to insufficient area on the plate to provide for the contact with fastening component 11.
  • the length L, m, of plate and its width H, m are connected by ratio: 0,2 ⁇ L / H ⁇ 50 .
  • Embodiment of plates 10, for which the value of ratio (7) corresponds to the range of values specified therein, will allow to optimize their technical and performance parameters.
  • Embodiment of plate with the specified form and dimensions ensures the unification of components base and technological effectiveness of joining of structural components of truss G of superstructure in nodes of connection of rod elements 9 and cords 3 and/or 4 of trussed track structure S.
  • At least one profiled slotted through hole is performed (see Fig. 2 , 3 , 7 , 11 ).
  • the plates of multidirectional rod elements are positioned on opposite lateral sides of load-bearing member (see Fig. 2 , 6 , 7 ).
  • Performing in plate 10 of profiled slotted through hole 12 allows to guarantee both the clamping by such plates 10 of load-bearing elements 5.1 of load-bearing structure 5 in longitudinal direction in nodes A, B, C of connection of rod elements 9 with cords 3 and/or 4, as well as correction of gaps and accumulated errors of linear dimensions of elements of trussed track structure in each span.
  • main and auxiliary cords for construction of the transport system is defined by its operating conditions, design requirements thereto, the purpose of its use, the type of cargo, weight and motion speed of vehicles.
  • Construction of trussed track structure of high-speed transport system and the rail thereof includes the following stages: the supports are mounted on the foundation, with the rail cords - of at least one main load-bearing member, and, on another level, of at least one auxiliary load-bearing member - positioned thereon; whereby the load-bearing member is produced from the longitudinally prestressed load-bearing elements, whereas the load-bearing elements are brought together into the load-bearing structure and placed into the extended body with the rolling surface conjugating thereto; whereas the load-bearing structure is formed by filling up with hardening material of the volume of space in the extended body void of load-bearing elements, whereas the cords of main and auxiliary load-bearing members are connected together in the truss of superstructure by means of zigzag oriented rod elements with plates rigidly fixed on the ends thereof and fastening components; whereby the longitudinal axes of the rod elements, together with the longitudinal axes of the cords, form
  • Embodiment of the proposed trussed track structure and its rail for high-speed transport system by Yunitski allows to attain the following advantages: lowering labor intensity during assembly of trussed track structure; securing reliability of joining of elements of load-bearing structure of rail cords into rigidly assembled space structure; unification of structural components base of the entire structure; stabilization of technical and performance parameters in the entire transport system; stability (monolithic integrity) of the trussed track structure; durability and evenness of bodies of its rail cords; smooth and soft motion of vehicle (not shown on Fig.) along each truss of superstructure and along the entire length of the system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Bridges Or Land Bridges (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
EP18791859.4A 2017-04-29 2018-04-27 Trägerspurstruktur und schiene Active EP3617024B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EA201700316A EA034490B1 (ru) 2017-04-29 2017-04-29 Ферменная путевая структура скоростной транспортной системы, рельсовая нить ферменной путевой структуры скоростной транспортной системы и способ изготовления ферменной путевой структуры и рельсовой нити
PCT/BY2018/000010 WO2018195641A1 (ru) 2017-04-29 2018-04-27 Ферменная путевая структура и рельс

Publications (4)

Publication Number Publication Date
EP3617024A1 true EP3617024A1 (de) 2020-03-04
EP3617024A4 EP3617024A4 (de) 2021-01-20
EP3617024B1 EP3617024B1 (de) 2023-12-27
EP3617024C0 EP3617024C0 (de) 2023-12-27

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EP (1) EP3617024B1 (de)
CN (1) CN111094100B (de)
EA (1) EA034490B1 (de)
WO (1) WO2018195641A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3560786A4 (de) * 2016-12-23 2020-07-08 Yunitski, Anatoli Yunitski-transportsystem

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FR2520777A1 (fr) * 1982-01-29 1983-08-05 Bouygues Sa Procede et dispositifs pour la realisation d'un tablier de pont et structures similaires, et ouvrages obtenus
DE3322951A1 (de) * 1983-06-25 1985-01-03 Johannes Dörnen, Stahlbauwerk, 4600 Dortmund Fachwerkbruecke und verfahren zu deren herstellung
RU2208675C2 (ru) 2001-03-05 2003-07-20 Юницкий Анатолий Эдуардович Рельс транспортной системы юницкого
RU2201482C2 (ru) 2001-03-05 2003-03-27 Юницкий Анатолий Эдуардович Рельс транспортной системы юницкого (варианты)
RU2204640C1 (ru) 2001-12-13 2003-05-20 Юницкий Анатолий Эдуардович Рельс транспортной системы юницкого
RU2224064C1 (ru) * 2002-05-21 2004-02-20 Юницкий Анатолий Эдуардович Транспортная система юницкого (варианты) и способ построения транспортной системы
RU2223357C1 (ru) * 2002-05-30 2004-02-10 Юницкий Анатолий Эдуардович Транспортная система юницкого (варианты) и способ построения транспортной системы
JP3866194B2 (ja) * 2002-12-20 2007-01-10 株式会社ハルテック 鋼トラスウエブｐｃ橋の格点構造
EA200400365A1 (ru) * 2004-03-05 2005-04-28 Анатолий Эдуардович Юницкий Транспортная система
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3560786A4 (de) * 2016-12-23 2020-07-08 Yunitski, Anatoli Yunitski-transportsystem

Also Published As

Publication number Publication date
CN111094100B (zh) 2021-07-16
EP3617024A4 (de) 2021-01-20
EA201700316A1 (ru) 2018-10-31
EP3617024B1 (de) 2023-12-27
EP3617024C0 (de) 2023-12-27
WO2018195641A1 (ru) 2018-11-01
CN111094100A (zh) 2020-05-01
EA034490B1 (ru) 2020-02-13

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