GB2486271A - Rail supporting beam section - Google Patents
Rail supporting beam section Download PDFInfo
- Publication number
- GB2486271A GB2486271A GB201020989A GB201020989A GB2486271A GB 2486271 A GB2486271 A GB 2486271A GB 201020989 A GB201020989 A GB 201020989A GB 201020989 A GB201020989 A GB 201020989A GB 2486271 A GB2486271 A GB 2486271A
- Authority
- GB
- United Kingdom
- Prior art keywords
- beam section
- duct
- utility
- section
- cable
- 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.)
- Withdrawn
Links
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
- E01B3/38—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
- 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
- E01B3/40—Slabs; Blocks; Pot sleepers; Fastening tie-rods to them
Abstract
The section 10 has one or more through internal ducts 30 for conveying utilities such as communication and power lines, gas or water pipes such that the duct(s) is/are continuous in a series of connected sections. The duct(s) 30 can have one or more lateral branches. Adjacent sections 10 are connected longitudinally by alignment pins and complementary bores.
Description
RAIL-BEARING BEAM
The present invention concerns a beam section for a rail uscd in railways or tramways.
There is an ongoing and increasing need for providing in urban areas utilities such as power cabling and communication lines, including copper and fibre optic cables. Other utilities may include signal paths for the transport networks! including for traffic signalling (traffic lights, rail/tram signalling), road usage and sensor data. The excavation required to install utilities is expensive and disruptive, particularly in urban areas.
A quite separate reason for excavating roads and other areas is to install rails for trains or trams. US 5,513,797 discloses a flanged rail which may be installed in a shallow channel in the road, avoiding deeper excavation which would cause disruption of subsurface utilities. In addition, US 5,513,797 also discloses a concrete beam which is shaped to receive and support such a flanged rail.
The inventors have recognised that by adapting a rail installation to provide the facility to receive and mount utility lines one can, in a convenient and economical manner, enable the installation of the utility lines without need of additional excavation.
According to a first aspect of the invention, there is provided a beam section for supporting a vehicle rail, comprising a channel for receiving the vehicle rail, the channel extending between a first end and a second end of the beam section, characterised in that the beam section comprises at least one internal duct, the internal duct extending throughout the beam section and forming an opening at each of the first end and second end of the beam section, so that when multiple such beam sections are placed end-to-end, their internal ducts form a continuous duct to receive at least one utility.
By way of example only, specific embodiments of the present invention will now be described, with reference to the accompanying drawings, in which:-Figure 1 is a cross section of a beam section according to the present invention.
Figure 2 is a plan view of a beam section according to the present invention showing, in dotted outline, the internal ducts, Figure 3 is a plan view of another embodiment of the invention, showing an access duct between the internal duct and a side face of the beam section.
Figure 4 is a plan view of another embodiment of the invention, showing two access ducts between the internal duct and a side face of the beam section.
The beam section 10 illustrated in Figure 1 is intended to be laid in a shallow trench in the ground and to support a rail of a railway or tramway (not shown).
The beam section may for example be installed in an existing road surface or in any other area of ground. It has an upwardly open channel 12 formed in its upper face 14 and shaped to receive the rail. A central portion of the channel receives the body of the rail and shoulders 16 on either side of the central portion support side flanges of the rail. The load upon the rail is distributed across the relatively large base 20 of the beam section, thereby reducing pressure on the ground beneath.
Any suitable material may be used, but it is particularly preferred that the beam section 10 is formed by a moulding process. Concrete is a very suitable material for a mouldcd beam section. The illustrated embodiment incorporates multiple pre-stressed tendons 20 extending along the length of the beam section 10 and serving to reinforce it.
In plan view (Figures 2 through 4), the beam section 10 is seen to have first and second end faces 22, 24, the channel 12 extending longitudinally of the beam between the end faces. For ease of manufacture, transportation and handling, the beam section 10 is of limited length. Numerous such sections are laid end-to-end to form a continuous rail-supporting structure of arbitrary length.
In order to ensure alignment of neighbouring beam sections 10, the first and second end faces 22, 24 of each section are provided with alignment features which are complementary -that is, the alignment features of the first end of the further, neighbouring, section. In the illustrated example (see Figure 2 in particular) the alignment features take the form of a pin 26 projecting along the longitudinal direction from the end face 22, 24 and a bore 28 to receive the pin.
In accordance with the present invention, the beam section 10 is provided with at least one internal duct 30 for receiving a utility. The term "utility" is used herein to refer to any elongate member used to conduct e.g. data, electricity, gas or liquid from one point to another. Examples are cabling, for communications or for electrical power, pipe for conduction of gas or of a water supply etc. The utility may be a mechanical linkage, a metal cable, or a fibre optic cable. In the illustrated embodiment, the beam section 10 has two internal ducts 30 on opposite sides of the rail-supporting channel 12 and, while any suitable cross sectional shape may be adopted, they are in this embodiment circular. Each intemal duet extends along the entire length of the beam section 10, communicating with openings in both the first and the second end faces 22, 24. When multiple beam sections 10 are laid end-to-end, and aligned by the features 26, 28, the internal ducts 30 together form a continuous, elongate passage through which the utility can be fed and in this way the beam provides a convenient and economical means of installing the utility. A railway or tramway constructed using the beam section provides, at little or no additional cost, a ready-made route for the utility.
Figure 3 shows a variant of the beam section 10 in which one of the internal ducts is biftircated, providing a curved lateral branch 33 which communicates with a side face of the beam section 10 and serves as an access duct through which the utility (which is not shown in the drawings) can emerge from the rail-supporting structure.
Figure 4 shows another variant having two such lateral branches 34, 36. The curvature of these lateral branches helps to ensure that the utility is not excessively curved or kinked at its point of emergence.
While the beam sections 10 seen in the drawings are straight, it will be appreciated that curved sections can be provided to accommodate curvature of the rail. Sections which are shaped to accommodate rail switches, junctions etc may also be provided.
The aforegoing embodiments serve as examples only of one manner of implementation of the invention. The scope of the invention is to be determined by reference to the appended claims, and not to be considered to be limited by any of the specific features of the exemplary embodiments.
Claims (9)
- CLAIMS1. A beam section for supporting a vehicle rail, the beam section comprising a channel for receiving the vehicle rail, the channel extending between a first end and a second end of the beam section, characterised in that the beam section comprises at least one internal duct, the internal duct extending throughout the beam section and forming respective openings at the first end and the second end of the beam section, so that when multiple such beam sections are placed end-to-end, their internal ducts form a continuous duct to receive at least one utility.
- 2. A beam section as claimed in claim 1 in which the internal duct is bifurcated to form at least one access duct which communicates with a side face of the beam section and through which the utility can be led out of the continuous duct.
- 3. A beam section as claimed in claim 1 or claim 2 in which the first and second ends of the beam section are provided with alignment features, the alignment features at the first end of the beam section being engageable with the alignment features at the second end of a further, identically formed, beam section.
- 4. A beam section as claimed in any preceding claim, wherein the channel is formed to provide at least one support surface for a rail flange.
- 5. A beam section according to any preceding claim which is formed by moulding and which further comprises at least one pre-stressed tendon to increase the rigidity of the beam section.
- 6. A beam for supporting a vehicle rail, the beam being formed from a plurality of beam sections, the beam comprising at least one continuous duct extending through the length of the beam, the continuous duct to receive at least one utility.
- 7. A beam according to claim 6, wherein the continuous duct contains a utility which is one of a cable for communications, an electrical power cable, a pipe for conducting a gas, a pipe for conducting water or any other liquid, a hydraulic cable, a metal cable, a fibre optic cable, or a mechanical linkage.
- 8. A method for mounting a utility comprising the steps of forming a beam from a plurality of beam sections according to any of claims 1 to 5, forming a continuous duct through the beam by aligning the openings of neighbouring beam sections, installing a vehicle rail in the beam, and installing at least one utility in the continuous duct.
- 9. A method according to claim 10, wherein the at least one utility is a cable for communications, an electrical power cable, a pipe for conducting a gas, a pipe for conducting water or any other liquid, a hydraulic cable, or a mechanical linkage.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB201020989A GB2486271A (en) | 2010-12-10 | 2010-12-10 | Rail supporting beam section |
EP11808283.3A EP2649237A1 (en) | 2010-12-10 | 2011-12-08 | Rail-bearing beam |
PCT/GB2011/052432 WO2012076891A1 (en) | 2010-12-10 | 2011-12-08 | Rail-bearing beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB201020989A GB2486271A (en) | 2010-12-10 | 2010-12-10 | Rail supporting beam section |
Publications (2)
Publication Number | Publication Date |
---|---|
GB201020989D0 GB201020989D0 (en) | 2011-01-26 |
GB2486271A true GB2486271A (en) | 2012-06-13 |
Family
ID=43567009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB201020989A Withdrawn GB2486271A (en) | 2010-12-10 | 2010-12-10 | Rail supporting beam section |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2649237A1 (en) |
GB (1) | GB2486271A (en) |
WO (1) | WO2012076891A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19503220A1 (en) * | 1994-02-10 | 1995-08-17 | Butzbacher Weichenbau Gmbh | System for ballastless permanent way of rail track |
WO1997043486A1 (en) * | 1996-05-14 | 1997-11-20 | Schneider, Stephen, J. | Pavement for conveying vehicular traffic |
JP2006089968A (en) * | 2004-09-22 | 2006-04-06 | Railway Technical Res Inst | Hybrid traffic system having shared track |
US20060131436A1 (en) * | 2003-06-04 | 2006-06-22 | Schulenburg-Wolfsburg Gunzel G | Track structure for railbone vehicles, in particularly trains |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29701211U1 (en) * | 1997-01-27 | 1998-05-28 | Kwade Betonwerk Gmbh & Co Kg | Support component made of concrete |
WO2005085528A1 (en) * | 2004-02-25 | 2005-09-15 | Highflyer Investments & Trading 6 (Pty) Limited | Railway rail, elongate rail support therefor and method of construction |
-
2010
- 2010-12-10 GB GB201020989A patent/GB2486271A/en not_active Withdrawn
-
2011
- 2011-12-08 EP EP11808283.3A patent/EP2649237A1/en not_active Withdrawn
- 2011-12-08 WO PCT/GB2011/052432 patent/WO2012076891A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19503220A1 (en) * | 1994-02-10 | 1995-08-17 | Butzbacher Weichenbau Gmbh | System for ballastless permanent way of rail track |
WO1997043486A1 (en) * | 1996-05-14 | 1997-11-20 | Schneider, Stephen, J. | Pavement for conveying vehicular traffic |
US20060131436A1 (en) * | 2003-06-04 | 2006-06-22 | Schulenburg-Wolfsburg Gunzel G | Track structure for railbone vehicles, in particularly trains |
JP2006089968A (en) * | 2004-09-22 | 2006-04-06 | Railway Technical Res Inst | Hybrid traffic system having shared track |
Also Published As
Publication number | Publication date |
---|---|
EP2649237A1 (en) | 2013-10-16 |
GB201020989D0 (en) | 2011-01-26 |
WO2012076891A1 (en) | 2012-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |