US20040231249A1 - Platform structure and construction method - Google Patents

Platform structure and construction method Download PDF

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Publication number
US20040231249A1
US20040231249A1 US10/485,832 US48583204A US2004231249A1 US 20040231249 A1 US20040231249 A1 US 20040231249A1 US 48583204 A US48583204 A US 48583204A US 2004231249 A1 US2004231249 A1 US 2004231249A1
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US
United States
Prior art keywords
platform
platform structure
cross beams
beams
units
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.)
Abandoned
Application number
US10/485,832
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English (en)
Inventor
Mark Alton
Frederick Coakley
Richard Summers Green
Andrew Harmer
Jan Wells
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
M40 TRAINS Ltd
MOTT MACDONALD Ltd
Arriva Trains Holdings Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to M40 TRAINS LIMITED, LAING RAIL LIMITED, MOTT MACDONALD LIMITED reassignment M40 TRAINS LIMITED NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS). Assignors: ALTON, MR. MARK ANDREW, COAKLEY, MR. FREDERICK THOMAS ALAN, GREEN, MR. RICHARD SUMMERS SHEPHERD, HARMER, MR. ANDREW KEITH, WELLS, MR. IAN JOSEPH
Publication of US20040231249A1 publication Critical patent/US20040231249A1/en
Abandoned legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F1/00—Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas

Definitions

  • This invention relates to the construction of platforms for railway stations.
  • the invention provides a railway station platform structure comprising foundations alongside the railway; upstanding supporting members rising from the foundations; cross beams mounted on the supporting members and having cantilevered portions extending beyond the supporting members towards the railway; longitudinal beams on the cross beams, each longitudinal beam extending between a pair of the cross beams, there being at least two longitudinal beams between each pair of cross beams, at least one of these longitudinal beams being on the cantilevered portions of the cross beams and at least one of these longitudinal beams being remote from the cantilevered portions; and platform units on the longitudinal beams, the platform units shaking side edge surfaces extending away from the railway and having front edge surfaces extending along the railway beyond the ends of the cantilevered portions of the cross beams.
  • the invention provides a method of constructing a railway station platform structure, including the steps of:
  • the invention provides a method of constructing a railway station platform structure, including the following steps:
  • FIG. 1A is an exploded isometric view of edge copers and tactile paving elements for use in the construction of the platform;
  • FIG. 1 is an isometric view of three prefabricated platform units slab units, for use in the construction of a platform;
  • FIG. 2 is a vertical section through a platform structure incorporating the slab units of FIG. 1, in a first embodiment
  • FIG. 3 is an exploded isometric view of the first embodiment of the platform structure
  • FIG. 4 is a vertical section through a second embodiment of the platform structure.
  • FIG. 5 is an exploded isometric view of the second embodiment of the platform structure.
  • Each prefabricated platform unit or slab unit 1 shown in FIGS. 1 to 3 , is a pre-cast concrete unit incorporating a reinforcing mesh 2 (not shown).
  • the slab unit 1 has a mostly planar bottom surface 3 and a stepped upper surface 4 .
  • the slab unit has a nominal width of 2 metres (for example) and has a rectangular outline when viewed from above. In general, the length of the slab unit from its front edge to its rear edge is at least equal to its width. Exemplary dimensions, in millimetres, are indicated in FIG. 3.
  • the slab unit has a front edge surface 6 , a rear edge surface 7 , and side edge surfaces 8 , 9 , all of which are vertical surfaces.
  • the upper surface 4 has a rebated forward portion 4 a which is planar and parallel to the bottom surface 3 , a rearward portion 4 b which is planar and slopes downwardly and rearwardly from its front edge to its rear edge, and a step 4 c which rises vertically between the forward and rearward portions 4 a, 4 b.
  • the step 4 c extends across the width of the slab unit, parallel to its front edge surface 6 .
  • the platform units or slab units 1 illustrated are longer from front to back than their individual width and are used in the construction of a new platform structure, which may be an extension to an existing platform structure.
  • the rearward portion 4 b of the upper surface 4 has a gradual slope (1 in 50) from front to back, and there is a raised plinth 27 near the rear edge surface 7 of the slab unit 1 .
  • a drainage outlet 28 is provided in the front surface of the plinth 27 .
  • One side edge surface 9 has a key formation 29 for fitting in a recess or groove 31 in the opposite side edge surface 8 of an adjacent slab unit so as to prevent relative vertical movement of the adjacent slab units.
  • the bottom surface of the slab unit 1 has integrally cast projections 32 for a purpose to be explained below.
  • One slab unit 1 has a recess 33 in one edge, for receiving a lighting column (not shown).
  • FIG. 1 A first embodiment of a platform structure incorporating the slab units 1 shown in FIG. 1 will now be described with reference to FIGS. 2 and 3, by describing the steps involved in its method of construction.
  • Simple temporary mesh fencing 34 is set up at a spacing of 2 metres from the centre line of the outermost track rail 24 to define a border between the so-called red zone (in which it would be hazardous and, in some situations, not permitted to work when not in track possession) and the so-called green zone (in which it is safe to work under certain conditions, whether or not in track possession).
  • In situ concrete support columns 37 are constructed on the strip foundations 36 and incorporate vertically projecting corrosion resistant threaded tie bars of 16 mm diameter (not shown in FIG. 8).
  • Pre-cast concrete cross beams 38 are craned in and positioned on the support columns 37 .
  • Each cross beam 38 is supported by two columns 37 and has a cantilevered portion 38 a extending beyond the support columns 37 towards the track
  • Each cross beam 38 has two vertical through holes 39 , which are formed during the casting of the concrete cross beam and which have a minimum diameter of 50 mm.
  • These oversize holes 39 receive the threaded bars projecting upwards from the columns 37 and are used to locate the cross beams 38 relative to the support columns 37 , nuts being threaded on the tie bars to provide a mechanical connection between the cross beam 38 and the support columns 37 .
  • Resilient rubber pads (not shown) with pre-formed holes to receive the threaded bars are located on top of the columns 37 .
  • the cross beams 38 incorporate holding down bolts (not shown) for connecting the base of the lighting column and one or more ducts 41 for the passage of electrical cables.
  • Pre-cast longitudinal beams 42 are craned in and mounted on the cross beams 38 .
  • the upper edges of the cross beams 38 have recesses 43 which accommodate end portions 42 a of the beams 42 resting on resilient rubber pads 44 at the bottoms of the recesses 43 .
  • Abutment surfaces 42 b (recessed beneath the end portions 42 a ) face the respective side surfaces of the cross beams 38 .
  • the upper surfaces of the cross beams 38 are flush with the upper surfaces of the longitudinal beams 42 .
  • the slab units 1 are craned in and mounted on the supporting structure constituted by the cross beams 38 and longitudinal beams 42 .
  • the downward projections 32 on the slab units abut against respective side surfaces of two of the longitudinal beams 42 to locate the slab units in the direction towards and away from the track
  • the slab units 1 are installed one by one, engaging the key formation 29 on each slab unit with the corresponding groove 31 of the next slab unit.
  • the joints between adjacent units are sealed by a dry rubber O-ring which, when compressed, forms a watertight seal.
  • temporary lifting fins (not shown) can be fitted to anchorages (not shown) located in or near the plinth 27 and in the forward portion 4 a of the upper surface of the slab unit.
  • Platform fencing (not shown) is erected on the plinths 27 and electrical cabling is installed using the cable ducts 41 and cable support trays 46 mounted in facing longitudinal recesses 47 in a pair of the longitudinal beams 42 .
  • Lightweight edge copers 23 are installed on quick-setting epoxy adhesive mortar on the forward portions 4 a of the upper surface 4 of the slab units 1 .
  • five edge copers 23 are mounted side by side across the two metre width of each slab unit.
  • more or fewer may be used, although there are preferably at least four.
  • the edge copers 23 are small enough to be handled without undue strain, preferably weighing at most 25 kg if they are made of pre-cast concrete and being substantially lighter if they are made of less dense materials, for example plastics material
  • the edge copers 23 overlap the front edge of the slab unit I and are laid level so that their front edges are at a given horizontal and vertical spacing from the adjacent rail 24 .
  • Tactile paving elements 26 (which can be felt by a person's foot) are installed on quick-setting epoxy adhesive mortar, between the edge copers 23 and the step 4 c, in such a manner as to compensate for any difference in level between the rear edges of the edge copers 23 and the front edge of the rearward portion 4 b of the upper surface of the slab unit.
  • Anti-debris netting (not shown) is installed beneath the platform, by means of stainless steel eyes received in sockets (not show) cast in the cross beams 38 .
  • steps (2), (3), (7), and (11) do not require track possession
  • the design of the platform structure ensures that the other steps, which will normally require track possession, can be carried out quickly and in separate stages.
  • a second embodiment of the platform structure will now be described with reference to FIGS. 4 and 5.
  • the second embodiment differs from the first embodiment only in using piles instead of strip foundations. Accordingly, the above description, except for step (2), is applicable to the second embodiment and will not be repeated.
  • step (2) is replaced by the step of preparing the ground and inserting piles 36 a into the ground at the intended locations of the supporting columns 37 , which are subsequently constructed on the piles.
  • the lengths of the cross beams 38 and the number of longitudinal beams 42 between each pair of cross beams may be varied to suit different platform widths (front to back).
  • a platform width of less than 3 metres (for example 2.5 metres) two longitudinal beams 42 may be sufficient.
  • three longitudinal beams 42 may be sufficient.
  • four longitudinal beams should be used.
  • the position of the front longitudinal beam in relation to the front end of the cross beam will be the same in each case, so that pre-cast concrete manufacture of the cross beams can to some extent be standardised.
  • the side edges of one or more of the slab units may be non-parallel, either converging or diverging away from the front edge, one or both of the side edges not being perpendicular to the front edge.
  • Cable-tray receiving grooves 47 may be provided in more than two of the longitudinal beams 42 , and additional holes 41 may be provided in the cross beams 38 if one or more additional cable trays are fitted using these grooves.
  • the platform units 1 may be combined with the longitudinal beams 42 as prefabricated units, or longitudinal and cross beams may be combined as prefabricated units, or platform units and longitudinal and cross beams may be combined as prefabricated units.
  • the spacing of the supporting columns 37 would be reduced by approximately one half, the width of the prefabricated units being correspondingly reduced in order to keep the weight to be lifted within practicable limits.
  • edge copers and tactile paving elements instead of fitting the edge copers and tactile paving elements on the slab units after the installation of the slab units, it may be possible to fit them on the slab units before the slab units are mounted on the supporting structure. It may also be possible to combine the tactile paving elements with the edge copers, or to omit the tactile paving elements.
  • the edge copers and tactile paving elements may be omitted and for the upper surface of the slab unit to be provided with a suitably textured finish.
  • the rebated forward portion may be omitted or reduced in size to receive a relatively narrow edging strip (e.g. of stainless steel) set in epoxy mortar for example.
  • the platform structure can be provided at any trackside location where it may be desired to bring a train to a halt in order to allow passengers or train operating staff to board or alight from the train or to attend to the maintenance of the exterior of the train.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Road Signs Or Road Markings (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Building Environments (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Separation By Low-Temperature Treatments (AREA)
US10/485,832 2001-08-03 2002-07-25 Platform structure and construction method Abandoned US20040231249A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0119013.1 2001-08-03
GB0119013A GB2378193A (en) 2001-08-03 2001-08-03 Railway platform construction
PCT/GB2002/003421 WO2003014478A1 (fr) 2001-08-03 2002-07-25 Structure de plate-forme et procede de construction

Publications (1)

Publication Number Publication Date
US20040231249A1 true US20040231249A1 (en) 2004-11-25

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Family Applications (2)

Application Number Title Priority Date Filing Date
US10/485,832 Abandoned US20040231249A1 (en) 2001-08-03 2002-07-25 Platform structure and construction method
US10/485,796 Abandoned US20040231286A1 (en) 2001-08-03 2002-07-25 Prefabricated unit for refurbishment or construction of platforms

Family Applications After (1)

Application Number Title Priority Date Filing Date
US10/485,796 Abandoned US20040231286A1 (en) 2001-08-03 2002-07-25 Prefabricated unit for refurbishment or construction of platforms

Country Status (6)

Country Link
US (2) US20040231249A1 (fr)
EP (2) EP1415048A1 (fr)
AT (1) ATE310853T1 (fr)
DE (1) DE60207578D1 (fr)
GB (1) GB2378193A (fr)
WO (2) WO2003014478A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006060852B4 (de) * 2006-12-22 2009-02-05 Zürcher, Harry Ebene Überbaukonstruktion über dem Erdboden als Geh- sowie Fahrweg, insbesondere Bahnsteig
US8544763B2 (en) * 2010-03-15 2013-10-01 Concrete Systems Inc. Prefabricated plinth for supporting a railway track
GB2490722B (en) * 2011-05-13 2014-04-09 Tech Coper Ltd G Tactile-surface edging product
US9506257B2 (en) 2015-02-06 2016-11-29 Radical Fencing, LLC Portable resilient floating fencing floor system
GB2562305B (en) * 2017-05-12 2020-01-15 Geoffrey Osborne Ltd A coper unit for an edge of a platform
GB2565417B (en) * 2017-06-14 2021-09-29 Pipex Ltd Improvements in or relating to railway platforms
CN107378520B (zh) * 2017-09-05 2023-11-10 洛阳霍鑫机电科技有限公司 一种不锈钢焊接式组合平台
CN110700223A (zh) * 2019-10-12 2020-01-17 上海市政工程设计研究总院（集团）有限公司 一种亲水平台梁板结构及其施工方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6173653B1 (en) * 1996-10-10 2001-01-16 Hering Gmbh & Co. Kg Modular station platform construction kit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3826096A1 (de) * 1988-08-01 1990-02-15 Frenzel Otto Bauunternehmen Bausatz fuer bahnsteig
DE58902550D1 (de) * 1988-08-01 1992-12-03 Frenzel Otto Bauunternehmen Bahnsteig.
DE4205192C2 (de) * 1992-02-20 1995-10-12 Euka Bauelemente Verkaufsgesel Bahnsteig
DE4316203A1 (de) * 1992-05-20 1993-11-25 Stewing Beton & Fertigteilwerk Bausatz zum Erstellen eines Bahnsteiges in Fertigteilbauweise
DE4308748A1 (de) * 1992-10-15 1994-04-21 Stelcon Ag Bahnsteig
DE9413756U1 (de) * 1994-08-26 1994-10-27 Bilfinger + Berger Bauaktiengesellschaft, 68165 Mannheim Material zum Erhöhen eines Bahnsteigs
DE19805273B4 (de) * 1997-02-10 2007-12-06 Staubach, Helmut, Prof. Hochbahnsteig
GB2343205A (en) * 1998-10-26 2000-05-03 Vencel Resil Limited Construction of track side platforms
DE20014951U1 (de) * 2000-08-30 2000-12-28 Kommanditgesellschaft EMS Gleisbau GmbH & Co., 21217 Seevetal Bahnsteig

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6173653B1 (en) * 1996-10-10 2001-01-16 Hering Gmbh & Co. Kg Modular station platform construction kit

Also Published As

Publication number Publication date
GB2378193A (en) 2003-02-05
WO2003014479A1 (fr) 2003-02-20
EP1415047B1 (fr) 2005-11-23
US20040231286A1 (en) 2004-11-25
WO2003014478A1 (fr) 2003-02-20
GB0119013D0 (en) 2001-09-26
ATE310853T1 (de) 2005-12-15
DE60207578D1 (de) 2005-12-29
EP1415048A1 (fr) 2004-05-06
EP1415047A1 (fr) 2004-05-06

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Legal Events

Date Code Title Description
AS Assignment

Owner name: LAING RAIL LIMITED, UNITED KINGDOM

Free format text: NUNC PRO TUNC ASSIGNMENT;ASSIGNORS:ALTON, MR. MARK ANDREW;COAKLEY, MR. FREDERICK THOMAS ALAN;GREEN, MR. RICHARD SUMMERS SHEPHERD;AND OTHERS;REEL/FRAME:014826/0232

Effective date: 20040520

Owner name: M40 TRAINS LIMITED, UNITED KINGDOM

Free format text: NUNC PRO TUNC ASSIGNMENT;ASSIGNORS:ALTON, MR. MARK ANDREW;COAKLEY, MR. FREDERICK THOMAS ALAN;GREEN, MR. RICHARD SUMMERS SHEPHERD;AND OTHERS;REEL/FRAME:014826/0232

Effective date: 20040520

Owner name: MOTT MACDONALD LIMITED, UNITED KINGDOM

Free format text: NUNC PRO TUNC ASSIGNMENT;ASSIGNORS:ALTON, MR. MARK ANDREW;COAKLEY, MR. FREDERICK THOMAS ALAN;GREEN, MR. RICHARD SUMMERS SHEPHERD;AND OTHERS;REEL/FRAME:014826/0232

Effective date: 20040520

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION