EP0981673B2 - Dispositif pour stabiliser une banquette instable dans le domaine de la construction de voies ferrees et de routes, et procede correspondant - Google Patents

Dispositif pour stabiliser une banquette instable dans le domaine de la construction de voies ferrees et de routes, et procede correspondant Download PDF

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Publication number
EP0981673B2
EP0981673B2 EP98914762A EP98914762A EP0981673B2 EP 0981673 B2 EP0981673 B2 EP 0981673B2 EP 98914762 A EP98914762 A EP 98914762A EP 98914762 A EP98914762 A EP 98914762A EP 0981673 B2 EP0981673 B2 EP 0981673B2
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EP
European Patent Office
Prior art keywords
elements
formation level
foundation
driven
supporting
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.)
Expired - Lifetime
Application number
EP98914762A
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German (de)
English (en)
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EP0981673B1 (fr
EP0981673A1 (fr
Inventor
Rudolf Rüegger
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.)
GLEISAG GLEIS- UND TIEFBAU AG RORSCHACH
RUEEGGER SYSTEME AGINGENIEURLOESUNGEN IN DER GEOTE
Original Assignee
Gleisag Gleis- und Tiefbau AG
Rueegger Systeme AG Ingenieurlosungen In Der Geotechnik
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Application filed by Gleisag Gleis- und Tiefbau AG, Rueegger Systeme AG Ingenieurlosungen In Der Geotechnik filed Critical Gleisag Gleis- und Tiefbau AG
Publication of EP0981673A1 publication Critical patent/EP0981673A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0233—Retaining or protecting walls comprising retention means in the backfill the retention means being anchors
    • 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

Definitions

  • the invention relates to a device for securing unstable banquets in the construction of particular tracks, roads and paths, with launched on the ground, lined up side by side and filled with bulk material supporting grids, each open and angularly formed with a front side and a normally horizontal bottom part and at least front are lined with a flat geocompatible make.
  • the invention relates to a method for creating a device of the type mentioned.
  • the device according to the invention and the method according to the invention serve, for example, for securing unstable banquets in railway, road and road construction, in the construction of marginal paths on slopes, and / or for stabilizing shoulders of rail and road bodies in landslides.
  • a device of the aforementioned type is known from EP-B-0197000 and / or CH-A-666510.
  • the at least the front side geocompatible with a branded and then backfilled support grid are placed on ajetage Planum and fixed it on the basis of a reinforcement also geokompatiblem make essentially by the weight of the load-bearing landfill.
  • the object of the invention is to provide a device of the type mentioned, with which the mentioned disadvantages can be overcome.
  • the invention also relates to an alternative equivalent method for creating secure banquets in the construction of railways, roads and paths in particular.
  • the open, angular, placed on the planum and longitudinally juxtaposed support grid together with their backfilling with heavy bulk material are inherently inherently stable.
  • the holding elements of the inventive device cause a fixation of the filled support grid in the ground under the planum by dowelling and/verhfitung and thus prevent an outwardly directed slipping of the support grid on the subgrade.
  • the support grid of the device according to the invention can also be fixed to the holding elements by simple lateral contact and therefore need not be rigidly connected to them, but they can be displaceable thereon in the vertical direction. Also additional fixing need only the lateral (horizontal), but not to prevent the vertical displacement between the support grid and support member.
  • the longitudinally juxtaposed support lattices on the row of stalks of the support elements form a kind of head beam, which, like the support lattices themselves, has a low local flexibility.
  • the vertical displaceability of the support grid on the support elements results in a flexibility of the structure substantially in the vertical direction over long distances, which allows this to follow large-scale terrain movements.
  • the holding elements do not constitute supporting piles for receiving vertical loads from the support grids.
  • the holding elements can be embedded in more or less arbitrary place in the bulk body, which in turn allows the use of very simple and inexpensive retaining elements, for example, rammed elements. Also, the retaining elements can be driven at will before or after placing the support grid on the subgrade without particular dimensional accuracy in the subsurface of the subgrade.
  • area geocompatible product encompasses not only geocompatible textile products in the closer sense, but also their geocompatible, possibly non-textile equivalents such as lattices, membranes or honeycomb structures, in particular also metal nets.
  • vertical support member includes various types of, for example, by ramming or drilling in the ground introduced profiles made of steel, concrete or wood, piles and their equivalents, such as rail track parts, normally without, if necessary, but with additional mortar.
  • tension member encompasses various types of tension piles or tie rods which can be introduced into the ground by ramming or drilling, optionally with or without prestressing, optionally with or without mortaring.
  • the inventive device thus consists essentially of open, angular, longitudinally arranged Stützgittem, a flat geocompatible make and held therein bulk material, if necessary, in several layers.
  • the support grid are fixed by embedded in the construction, more or less vertical in the ground, preferably rammed or drilled holding elements that can be optionally retained depending on the geomechanical requirements in addition with the help of inclined rammed or drilled into the ground tension elements.
  • the device according to the invention with the vertical holding elements allows the exact adjustment of the support grid in the longitudinal and transverse direction regardless of the dimensional accuracy of the position of the vertical holding elements via their embedding in the bulk material.
  • the location of the vertical support members may vary depending on the procedure for their installation as well as the properties of the substrate, without affecting the adjustment of the support grid - thanks to the invention, a high degree of dimensional accuracy in the placement of the vertical support elements is not required.
  • the inventive device ensures a vertically movable attachment of the support grid, which allows them to sit down without jamming or "hang” on the holding elements and this burden significantly.
  • the device according to the invention allows, as far as necessary, to secure the support grid after being offset by means of tension or pressure elements against horizontal slipping relative to the holding elements.
  • the process aims at securing banquets with simple, quickly deployable and mountable elements on the one hand, and bulk material, in particular recycled material such as old ballast, broken concrete debris, etc., to be used and used as a supporting component of the support grid.
  • the bulk material is not only a filler or a backfill, but it serves to stiffen the support grid and for embedding of the vertical support member and thus becomes static contributing building material.
  • the device according to the invention and the method according to the invention also have the advantage that the support elements are easy to fill.
  • FIGS. 1 to 3 a device designated overall by 1 for securing unstable banquets on slopes 11 is shown. With the device 1 and deeper sliding surfaces 12 can be stabilized.
  • the device 1 can be used, for example, in railway construction as shown in Fig. 1, or in road and road construction, for example, as shown in Fig. 2, as a pure measure of banquet security or for the purpose of a border, walking or scholarwegverbreiterung.
  • Fig. 3 a multi-layer installation.
  • a device 1 in a perspective view at a banquet on a slope is shown schematically in Fig. 4.
  • the device 1 comprises an angle-shaped supporting grid 2 with front side 21, normally horizontal bottom part 22 and guy hooks 6, a grid insert 7 and by vertical parts 22 of the support grid 2 vertical support elements 3, which are geomechanically required with traction elements 4 retained.
  • An additional fixation 5 against horizontal displacement between support grid 2 and vertical support member 4 is possible, but not required in the standard case.
  • the support grid 2 is filled with coarse-grained bulk material 8, which together with the vertical Supporting elements 3 and optionally with tension elements 4, the entire device 1 makes. Vertical displacements of the support grid 2 relative to the vertical holding element 3 are possible, so that no critical additional loads are transmitted to the holding element 3, in particular when settling.
  • the structure is made of a planum 9, which must correspond in width at least the support width of the support grid 2. Behind a steepest possible excavation bank 10 is created.
  • the vertical support members 3 are introduced either from the original slope 11 or only from the subgrade 9 and project sufficiently far beyond the subgrade 9 to ensure that they are sufficiently embedded in the filling material 8.
  • the oblique traction elements 4 are in single-tier banquettes, for example, according to FIGS. 1 and 2 with only one support grid 2 from a small excavation, which extends to below the planum 9, under this offset. In multilayer banquettes, for example, according to FIG. 3, the tension element 4 is also installed higher from the construction pit slope 10.
  • the support grid 2 is generally made of a corrosion-protected steel mesh and is formed substantially L-shaped with an inclination of the front side 21 to the bottom part 22, which is about 60 ° to 90 °.
  • the planar geocompatible make 7 is, for example, a geotextile insert or a geogrid and has the purpose of retaining the filling material 8.
  • the opening widths of the geocompatible make 7 are matched to the grain diameter of the filler 8. Since in general coarse filler 8 (gravel, boulders) is installed and the holding elements with each other have a large distance in relation to their diameter, the device 1 is permeable as a whole, so that from the railway or road body incoming water as in a normal embankment can flow away unhindered. In contrast to dense banquets, there is no congestion and no concentrated outflow from openings, etc.
  • the vertical support members 3 may consist of rammed steel profiles such as DoppelT profiles, rail profiles, pipes, rods and the like, or from concrete or wooden profiles round or square training, as described in more detail below in connection with Figures 7a to 7g , For example, while the holding elements 3 are driven or put into predrilled holes. For additional consolidation and stabilization, additional grouting is indicated for pipes (rammed or drilled) as well as for rod profiles offset in pre-drilled holes.
  • the oblique traction elements 4 are installed as required for geodesy. Existence of these tension elements 4, for example, from rammed and biased by pulling rod or cable anchors, or from rammed or pre-drilled holes and usually mortared pipe and bar anchors, or even from cable anchors, which are generally offset in pre-drilled holes and mortared as further described below in connection with FIGS. 8a to 8g. Also possible are combinations of them with pipe anchors.
  • fixations between the bottom part 22 of the support grid 2 and the vertical support members 3 are required in particular with poor filling material 8 and / or high from the back on support grid 2 and backfill 8 horizontal compressive forces.
  • Such fixations are, for example, pressure elements such as the wedge-shaped element shown schematically in FIGS. 5a and 5b, which fixes the vertical retaining element 3 by clamping action on the support grid 2, or brackets, for example, tensioned as shown schematically in FIGS. 6a and 6b U-shaped element, which encloses the vertical holding element 3 and is fixed with a mounting nut on the support grid 2.
  • FIGS. 7a to 7g Examples of cross-sections of a vertical holding element 3 are shown schematically in FIGS. 7a to 7g.
  • a cross-section is for example H-shaped in FIG. 7a, as in a rail track in FIG. 7b, ring-shaped in FIG. 7c, as in a pipe, FIG. in Fig. 7d circular as a rod, in Fig. 7e square as a prism, in Fig. 7f in turn annular as a pipe and additionally provided with mortar filling and -umhüllung, in Fig. 7g turn circular as a rod and additionally provided with mortar coating, wherein a combination of embodiments according to Fig. 7f and 7g is possible and while the embodiment of Fig. 7f is used as an outer envelope or infiltration tube.
  • FIGS. 8a to 8g Examples of cross sections of an oblique tension element 4 are shown schematically in FIGS. 8a to 8g.
  • Such a cross section is, for example, circular in FIG. 8a as in the case of a rod, in FIG. 8b consisting of several circular sections as in a wire rope, in FIG. 8c ring-shaped as in a pipe, in Fig. 8d (in a schematic representation) consisting of a rammable tie rod with rod or cable and under pulling or tensioning quer Wegder anchor tip, in Fig. 8e turn circular as a rod and additionally provided with mortar sheath in Fig. 8f in turn consisting of several circular sections as in a wire rope and additionally provided with mortar sheath, in Fig.
  • FIG. 8g in turn ring like a pipe and additionally provided with mortar filling and -umhüllung, again a combination of the embodiment of FIG. 8e or FIG. 8f with the embodiment of FIG. 8g is possible, while the training na Fig. 8g is usable as an outer envelope or infiltration tube.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Road Paving Structures (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (5)

  1. Dispositif de consolidation d'accotements instables dans la construction plus particulièrement de voies ferrées, chaussées et routes, comportant des cages de support (2) remplies de matériau en vrac (8) rangées côte à côte sur le sous-sol, adjacentes sur leurs grands côtés, chacune étant de construction ouverte et angulée avec une face avant (21) et une partie de base (22) normalement horizontale et étant revêtue au moins sur le devant d'un tissu géocompatible (7) de grande surface plane,
    caractérisé par
    des éléments de maintien (3) essentiellement verticaux fichés dans le sous-sol et dont chacun passe, à distance des faces avant (21), à travers une partie de base (22) d'une cage de support (2) et fixe celle-ci au sous-sol, plusieurs cages de support (2) étant disposées l'une au-dessus de l'autre, leurs parties de base (22) étant fixées au moyen d'un ou plusieurs éléments de maintien (3) communs.
  2. Dispositif selon la revendication 1, caractérisé en ce que les éléments de maintien (3) sont fixés en outre au moyen d'éléments de traction (4) obliques fichés dans le sous-sol.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les éléments de maintien (3) et/ou les éléments de traction (4) sont introduits dans le sous-sol par moutonnage et/ou par forage.
  4. Procédé de construction d'un accotement consolidé comportant au moins un dispositif selon la revendication 1 dans la construction plus particulièrement de voies ferrées, chaussées et routes, caractérisé par les étapes de procédé suivantes:
    a) construire une plate-forme;
    b1) enfoncer une pluralité d'éléments de maintien disposés en rangées essentiellement verticalement dans le sous-sol de la plate-forme chaque fois jusqu'à ce que seule une portion terminale supérieure de l'élément de maintien dépasse au-dessus de la plate-forme à la manière d'une souche;
    c1) placer côte à côte sur les souches des éléments de maintien qui dépassent au-dessus de la plate-forme une pluralité de cages de support avec leur partie de base reposant sur la plate-forme et les souches traversant leur partie de base à distance de leur face avant;
    d) revêtir les cages de support, au moins sur le devant, d'un tissu géocompatible présentant une grande surface plane; et
    e) remplir de matériau en vrac les cages de support revêtues.
  5. Procédé de construction d'un accotement consolidé comportant au moins un dispositif selon la revendication 1 dans la construction plus particulièrement de voies ferrées, chaussées et routes, caractérisé par les étapes de procédé suivantes:
    a) construire une plate-forme;
    b2) ranger côte à côte sur la plate-forme une pluralité de cages de support reposant sur leur partie de base;
    c2) enfoncer une pluralité d'éléments de maintien disposés en rangées essentiellement verticalement dans le sous-sol de la plate-forme à travers des parties de base de cages de support à distance de leur face avant chaque fois jusqu'à ce que seule une portion terminale supérieure de l'élément de maintien dépasse au-dessus de la plate-forme à la manière d'une souche;
    d) revêtir les cages de support, au moins sur le devant, d'un tissu géocompatible présentant une grande surface plane; et
    e) remplir de matériau en vrac les cages de support revêtues.
EP98914762A 1997-05-12 1998-04-24 Dispositif pour stabiliser une banquette instable dans le domaine de la construction de voies ferrees et de routes, et procede correspondant Expired - Lifetime EP0981673B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH110997 1997-05-12
CH01109/97A CH692390A5 (de) 1997-05-12 1997-05-12 Vorrichtung zur Sicherung instabiler Bankette im Bahnbau und im Strassen- und Wegebau, sowie Verfahren zu ihrer Erstellung.
PCT/CH1998/000164 WO1998051869A1 (fr) 1997-05-12 1998-04-24 Dispositif pour stabiliser une banquette instable dans le domaine de la construction de voies ferrees et de routes, et procede correspondant

Publications (3)

Publication Number Publication Date
EP0981673A1 EP0981673A1 (fr) 2000-03-01
EP0981673B1 EP0981673B1 (fr) 2002-08-14
EP0981673B2 true EP0981673B2 (fr) 2006-02-22

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ID=4202704

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EP98914762A Expired - Lifetime EP0981673B2 (fr) 1997-05-12 1998-04-24 Dispositif pour stabiliser une banquette instable dans le domaine de la construction de voies ferrees et de routes, et procede correspondant

Country Status (6)

Country Link
EP (1) EP0981673B2 (fr)
AT (1) ATE222311T1 (fr)
AU (1) AU6916298A (fr)
CH (1) CH692390A5 (fr)
DE (1) DE59805193D1 (fr)
WO (1) WO1998051869A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3085981B1 (fr) 2018-09-17 2021-10-22 Somain Securite Dispositif de fixation d'un poteau sur un grillage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226067A1 (de) † 1991-11-08 1993-05-13 Hermann Claus Einrichtung und verfahren zur stabilisierung von verkehrswegen an hanglagen
EP0574233A1 (fr) † 1992-06-10 1993-12-15 GEA SYSTEM S.r.l. Méthode de fabrication d'un revêtement végétal dans sol renforcé et produit obtenu par ce procédé
WO1996033314A1 (fr) † 1995-04-19 1996-10-24 Fjerby A/S Procede de construction d'un talus consolide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH666510A5 (de) * 1985-03-05 1988-07-29 Landolt Fritz Ag Anordnung zum erstellen einer begruenbaren steilboeschung.
CH676015A5 (fr) * 1988-05-16 1990-11-30 Hermann Claus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226067A1 (de) † 1991-11-08 1993-05-13 Hermann Claus Einrichtung und verfahren zur stabilisierung von verkehrswegen an hanglagen
EP0574233A1 (fr) † 1992-06-10 1993-12-15 GEA SYSTEM S.r.l. Méthode de fabrication d'un revêtement végétal dans sol renforcé et produit obtenu par ce procédé
WO1996033314A1 (fr) † 1995-04-19 1996-10-24 Fjerby A/S Procede de construction d'un talus consolide

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GABIONS METALLIQUES, 18. November 1979 (1979-11-18) †
USAGE ANTERIEUR DATANTE DE 1995 AU CANADA, 29. Mai 1995 (1995-05-29 ) †

Also Published As

Publication number Publication date
EP0981673B1 (fr) 2002-08-14
DE59805193D1 (de) 2002-09-19
AU6916298A (en) 1998-12-08
WO1998051869A1 (fr) 1998-11-19
EP0981673A1 (fr) 2000-03-01
CH692390A5 (de) 2002-05-31
ATE222311T1 (de) 2002-08-15

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