EP1205605A2 - Methode für das Stabilisieren eines Portalfundamentblocks von einer Eisenbahn - Google Patents

Methode für das Stabilisieren eines Portalfundamentblocks von einer Eisenbahn Download PDF

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Publication number
EP1205605A2
EP1205605A2 EP01204318A EP01204318A EP1205605A2 EP 1205605 A2 EP1205605 A2 EP 1205605A2 EP 01204318 A EP01204318 A EP 01204318A EP 01204318 A EP01204318 A EP 01204318A EP 1205605 A2 EP1205605 A2 EP 1205605A2
Authority
EP
European Patent Office
Prior art keywords
block
anchor
earthwork
ballast bed
ground anchor
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Withdrawn
Application number
EP01204318A
Other languages
English (en)
French (fr)
Other versions
EP1205605A3 (de
Inventor
Marinus Teunis Van Leeuwen
Willem Ringenier
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.)
Van der Worp BV
Gebr Van Leeuwen Harmelen BV
Original Assignee
Van der Worp BV
Gebr Van Leeuwen Harmelen BV
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 Van der Worp BV, Gebr Van Leeuwen Harmelen BV filed Critical Van der Worp BV
Publication of EP1205605A2 publication Critical patent/EP1205605A2/de
Publication of EP1205605A3 publication Critical patent/EP1205605A3/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/50—Anchored foundations
    • 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
    • E01B2/006—Deep foundation of tracks
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B26/00—Tracks or track components not covered by any one of the preceding groups
    • E01B26/005—Means for fixing posts, barriers, fences or the like to rails
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/42—Foundations for poles, masts or chimneys

Definitions

  • the invention lies within the field of railways which are designed for electric traction with an overhead wire.
  • Such railways are in general use and are provided at regular intervals of, for example, several tens of metres with gantries which extend across the superstructure made up of sleepers and rails in order to bear the overhead wire system.
  • the overhead wire gantries rest in this case with their columns on concrete foundation blocks which are fitted to both sides of the railway and reach into the earthwork body and the weight of which, in practice, amounts to a few tonnes.
  • the tension rod connections between the foundation blocks hamper large-scale maintenance works which must occasionally be done, especially if too much soil (sand) from the earthwork body has penetrated into the ballast bed consisting of stone chippings or gravel, so that this ballast bed can no longer function optimally.
  • machines are used which penetrate so deeply into the earthwork beneath the ballast bed that they come easily into contact with the tension rods between the foundation blocks.
  • the tension rods are consequently generally removed, so that the connection between the foundation blocks of a gantry is completely broken and the foundation blocks can start to yield.
  • the object of the invention is to offer a solution to the abovementioned problem.
  • a method for stabilizing a foundation block for a column of an overhead wire gantry in a substructure of a railway having an earthwork and a ballast bed which method is characterized in that near the block at least one ground anchor is driven obliquely into the earthwork beneath the ballast bed, which ground anchor is fixed to the block.
  • the method according to the invention thus provides for an anchorage of the individual foundation blocks by means of ground anchors which remain outside the reach of the machinery to be used in future maintenance works.
  • the method according to the invention thus offers a permanent solution.
  • An advantage of the method according to the invention is, moreover, that it can be applied without any need to interrupt the traffic over the railway in question.
  • the method according to the invention offers the possibility of returning a block which has yielded back to its place, independently from the opposite block, by developing a certain pressure when fixing the ground anchor to the block, whereby the block is drawn towards the railway.
  • a ground anchor is driven obliquely downwards into the earthwork beneath the ballast bed, which ground anchor is fixed by a fastening structure to the block.
  • a hole is made in the block from the side, through which hole a ground anchor is driven into the earthwork beneath the ballast bed, after which the anchor is fixed on the block.
  • a foundation block is used which is provided in advance with the hole for the ground anchor.
  • a screw anchor is used as the ground anchor, having an anchor rod and, at its distal end, a screw blade body.
  • an injection screw anchor is used, in which an injection material is injected into the earthwork for further improved anchorage.
  • the invention further relates to a gantry for an overhead wire system above a railway.
  • the reference numeral 1 refers to an earthwork, 2 to the ballast bed composed of stone chippings, gravel or the like, 3 to a sleeper supported in the ballast bed 2, whilst 4 denotes the rails mounted on the sleeper 3.
  • Reference numeral 5 indicates a foundation block, the foot portion of which reaches into the body of the earthwork 1 and the uppermost portion of which juts just through the ballast bed 3. Resting on the block 5 is a column 6 of an overhead wire gantry (not represented in greater detail).
  • each block 5 is separately anchored in the substructure by means of the screw anchor denoted by 7.
  • the screw anchor 7 has an anchor rod 7a, which is provided with a screw blade body 7b.
  • the anchor rod 7a is here extended via a connecting sleeve 8 by an extension rod 8a.
  • a hole 13 which is directed obliquely inwards and downwards is first made in the (concrete) block 5 by means of a known drilling tool.
  • the screw anchor 7 can subsequently be fitted in the ground in a known manner using a known turning tool.
  • the proximal end portion 9 of the anchor rod 7a or extension rod 8a which proximal end portion juts out of the block 5 at the top, is fixed by means of a so-called anchor bracket 10 and a tightening nut 11.
  • the proximal anchor rod or extension rod end is provided for this purpose with a screw thread.
  • the anchor 7 can be realized as a screw injection anchor, in which case the anchor rod 7a or the extension rod(s) 8a are of hollow construction and the anchor rod 7a, for example at locations between the successive screw blade windings of the screw blade body 7b, is provided with injection openings.
  • a stabilizing mortar can then be injected into the substructure.
  • the anchor 7 ends up lying embedded in a ground body strengthened by the mortar, which ground body is denoted by 12 in Figure 1.
  • the space in the hole 13 around the anchor 7 can be filled with a suitable material.
  • the reference numeral 20 refers to the substructure of the rails 21 of two mutually adjoining tracks.
  • the substructure 20 comprises an earthwork and, on top of this, a ballast bed in which sleepers are placed with the rails 21 mounted thereon.
  • an overhead wire gantry 23 can further be recognized, having vertical columns 24 erected on both sides of the tracks.
  • the columns 24 each stand on a heavy concrete foundation block 25.
  • each block 25 two ground anchors 27 are driven obliquely into the earthwork beneath the ballast bed, after which the two ground anchors 27 are fixed by a fastening structure to the block 25 in a manner to be explained in greater detail.
  • the anchors 27 lie at an angle of approximately 30° to the horizontal.
  • the ground anchors 27 are of such a length that the ground anchors 27 of the mutually opposing blocks 25 cross and even run on to beneath the track beside the other block 25.
  • a transverse girder 28 can be recognized, which is fixed by suitable bolts to the concrete block 25.
  • the transverse girder 28 juts out of the block 25 at both ends and is provided at each end with a ground anchor support 29.
  • the support 29 comprises a supporting plate 30 provided with a hole for the ground anchor 27.
  • the relevant end of the ground anchor 27 is provided with screw thread and with a nut 31 screwed thereon. Tightening of the nut 31 brings it up against the supporting plate 30 and the ground anchor 27 is able to be tensioned.
  • ground anchors 27 are in this example screw injection anchors 27, an injection of grout having taken place over the length L-grout.
  • inventive concept is also applicable to gantries in which the foundation block is unitary with the column, for example where the column is made of concrete and the block is cast on.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Foundations (AREA)
  • Railway Tracks (AREA)
EP01204318A 2000-11-13 2001-11-13 Methode für das Stabilisieren eines Portalfundamentblocks von einer Eisenbahn Withdrawn EP1205605A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1016588 2000-11-13
NL1016588A NL1016588C1 (nl) 2000-11-13 2000-11-13 Werkwijze voor het stabiliseren van de funderingsblokken van een bovenleidingsportaal in de onderbouw van een spoorbaan.

Publications (2)

Publication Number Publication Date
EP1205605A2 true EP1205605A2 (de) 2002-05-15
EP1205605A3 EP1205605A3 (de) 2003-05-07

Family

ID=19772374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01204318A Withdrawn EP1205605A3 (de) 2000-11-13 2001-11-13 Methode für das Stabilisieren eines Portalfundamentblocks von einer Eisenbahn

Country Status (2)

Country Link
EP (1) EP1205605A3 (de)
NL (1) NL1016588C1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2881448A1 (fr) * 2005-01-31 2006-08-04 Spie Fond S Sa Procede de renforcement de fondations de pylone par jumelage
FR2970486A1 (fr) * 2011-01-13 2012-07-20 Soletanche Freyssinet Procede de renforcement des fondations d'un pylone
ITMI20121160A1 (it) * 2012-07-02 2014-01-03 Mts S R L Struttura di vincolo perfezionata e relativo procedimento di fissaggio per picchetti o paletti sul ballast di linee ferroviarie.
US11788246B2 (en) 2020-12-14 2023-10-17 Dale Clayton Miller Micropile connection for supporting a vertical pile
US11828038B2 (en) 2020-07-10 2023-11-28 Dale Clayton Miller Pile connection for horizontally fixing an elongated beam for a foundation support system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2018332B1 (nl) * 2016-02-08 2018-01-11 Volkerrail Nederland Bv Werkwijze van plaatsen van een spoorweg portaalfundatieblok.
CN112499467A (zh) * 2020-11-24 2021-03-16 中建八局轨道交通建设有限公司 地铁车站扩大端装配式龙门吊轨道基础及其施工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1896810A (en) * 1929-04-24 1933-02-07 Coyne Andre Reenforced and anchored masonry structure
US4068445A (en) * 1975-02-18 1978-01-17 A. B. Chance Company Lightweight, screw anchor supported foundation and method of installing same
US5395184A (en) * 1993-01-29 1995-03-07 Gagliano; Richard J. Structure load transfer systems
DE19622119A1 (de) * 1996-06-01 1997-12-04 Rolf Hoericht Windkraftanlage zur Erzeugung elektrischer Energie
FI2894U1 (fi) * 1997-01-17 1997-05-20 Jyrki Tarkkonen Oy Putkiperustus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2881448A1 (fr) * 2005-01-31 2006-08-04 Spie Fond S Sa Procede de renforcement de fondations de pylone par jumelage
FR2970486A1 (fr) * 2011-01-13 2012-07-20 Soletanche Freyssinet Procede de renforcement des fondations d'un pylone
ITMI20121160A1 (it) * 2012-07-02 2014-01-03 Mts S R L Struttura di vincolo perfezionata e relativo procedimento di fissaggio per picchetti o paletti sul ballast di linee ferroviarie.
US11828038B2 (en) 2020-07-10 2023-11-28 Dale Clayton Miller Pile connection for horizontally fixing an elongated beam for a foundation support system
US11788246B2 (en) 2020-12-14 2023-10-17 Dale Clayton Miller Micropile connection for supporting a vertical pile

Also Published As

Publication number Publication date
NL1016588C1 (nl) 2002-05-14
EP1205605A3 (de) 2003-05-07

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