EP0174253B1 - Parement en plaques pour le talus des massifs de sols, notamment des massifs de sols renforcés par des nappes géotextiles - Google Patents

Parement en plaques pour le talus des massifs de sols, notamment des massifs de sols renforcés par des nappes géotextiles Download PDF

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Publication number
EP0174253B1
EP0174253B1 EP85401687A EP85401687A EP0174253B1 EP 0174253 B1 EP0174253 B1 EP 0174253B1 EP 85401687 A EP85401687 A EP 85401687A EP 85401687 A EP85401687 A EP 85401687A EP 0174253 B1 EP0174253 B1 EP 0174253B1
Authority
EP
European Patent Office
Prior art keywords
plates
facing
flexible
hooking elements
earth
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
Application number
EP85401687A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0174253A3 (en
EP0174253A2 (fr
Inventor
Philippe Delmas
José Puig
Marc Schaeffner
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.)
MUR EBAL SARL dite
Laboratoire Central des Ponts et Chaussees
Original Assignee
MUR EBAL SARL dite
Laboratoire Central des Ponts et Chaussees
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 MUR EBAL SARL dite, Laboratoire Central des Ponts et Chaussees filed Critical MUR EBAL SARL dite
Priority to AT85401687T priority Critical patent/ATE38067T1/de
Publication of EP0174253A2 publication Critical patent/EP0174253A2/fr
Publication of EP0174253A3 publication Critical patent/EP0174253A3/fr
Application granted granted Critical
Publication of EP0174253B1 publication Critical patent/EP0174253B1/fr
Expired 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
    • 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
    • E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements

Definitions

  • the invention relates to the finishing of massifs of soil, in particular massifs of reinforced soil.
  • Soils are low-cost building materials, but with relatively modest mechanical characteristics compared to those of other civil engineering materials, such as steel or concrete, which in turn are much more expensive.
  • geotextiles which are products of the textile industry, relatively inexpensive, in the form of woven, non-woven, grids or composites between these different products have appeared and have been used in association with all kinds of soils.
  • geotextile As soon as the slope of the slope is greater than the angle of slope of equilibrium, corresponding to the material considered. If the tensile strength of the geotextile, the self-geotextile friction coefficient, and the number of intercalated layers are correctly dimensioned, we can then stiffen the slope of the embankment slope as much as necessary until it reaches the vertical.
  • the object of the invention is achieved by a facing composed of plates individually attached to the slope, at their upper part, by flexible hooking elements, and in that the plates are arranged in substantially horizontal rows, the plates a row partially overlapping the plates of the immediately lower row.
  • the flexible attachment and the relative arrangement of the plates allows them to slide over each other, and to follow the deformations of the structure which could develop in the three directions.
  • This cladding design adapts to all geometries of structures (vertical or non-vertical slope, straight or stepped, profile in rectilinear or curved plane, etc.) as well as the different requirements (aesthetic in particular) imposed by the environment.
  • the plates are made of concrete, metal, plastic, wood or any other material.
  • the flexible hooking elements are flexible elements in at least one direction. They can be made up of cables, metal blades, flexible grid, geotextile sheet, etc.
  • the plates of a horizontal row are offset laterally with respect to the plates of the immediately lower row, so as to better protect the slope.
  • the flexible hooking elements comprise neighboring rigid horizontal bars hinged together in pairs, the lower bar being articulated to a rigid plate.
  • the flexible hooking elements comprise a flexible grid.
  • the plates comprise at their upper part flexible hooking elements of which an extreme part is anchored between two layers of earth .
  • the plates can be positioned as a ferret as the structure rises, and even partially participate in the production of the formwork.
  • the shape of the plates can be adapted to the appearance you want to give to the facing: from the simple flat rectangular plate to the architectural element for decorative landscaping in urban areas.
  • the invention relates not only to the facing, but also to each individual plate intended for the implementation of this facing: this plate, rigid or semi-rigid and substantially rectangular, has at its upper part flexible hooking elements comprising a part end in flexible grid and an intermediate part formed by articulated bars.
  • the flexible grid continues inside the articulated bars and the plate of which it forms the frame.
  • the plates 2, of generally planar and rectangular shape extend at their upper part by a flexible element intended for their attachment to the slope.
  • This flexible element comprises an end part in a flexible grid 3, for example made of plastic, and an intermediate part 4 formed by articulated bars 5.
  • the manufacture of the assembly 2, 3, 4, 5 includes the preparation of a flexible grid which is used not only to form the end part 3, but also the internal reinforcement of the plates 2 and of the bars 5 which have just been poured. around the grid. In this way the plates 2 and the bars 5 are connected to each other in a flexible manner by the “chain 9” wires of the grid.
  • the same grid can be used to manufacture several adjacent plates (see fig. 2).
  • the weft threads 8 of the grid connecting the adjacent plates can be broken so as not to hinder the relative movement of the adjacent plates.
  • the massif can advantageously include layers of soil 6 reinforced with geotextile sheets 7.
  • the slope is formed by overlapping beads of geotextile sheets.
  • the end portion 3 of the grid of the flexible attachment elements is interposed at the time of construction of the block between two superimposed layers.
  • the friction and the deformation of the geotextile sheets 7 against the grid 3 immobilize the latter and therefore achieve the attachment of the plates 2 which depend on it.
  • a displacement of the plates 2 due to a deformation of the beads of the slope under the thrust of the land remains possible thanks to the flexible attachment according to the invention.
  • the overlapping of the plates 2 and the presence of the bars 5 reduce the exposure of the beads to external actions (solar radiation, bad weather) to the minimum and ensure the longevity of the slope.
  • the upper part of the massif comprises in addition to the floor 1 the usual equipment elements such as a border 12 which can support on the one hand safety rails 10 and on the other hand, special facing plates 11 intended to cover the upper row of plates 2 according to the invention.
  • a border 12 which can support on the one hand safety rails 10 and on the other hand, special facing plates 11 intended to cover the upper row of plates 2 according to the invention.
  • the invention applies to earth masses or similar materials, such as industrial waste, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Laminated Bodies (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Cultivation Of Plants (AREA)
  • Looms (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Revetment (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Road Paving Structures (AREA)
EP85401687A 1984-08-28 1985-08-27 Parement en plaques pour le talus des massifs de sols, notamment des massifs de sols renforcés par des nappes géotextiles Expired EP0174253B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85401687T ATE38067T1 (de) 1984-08-28 1985-08-27 Plattenbekleidung fuer die boeschung von erdmassen, zum beispiel erdmassen mit bewehrung aus textilschichten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8413301A FR2569741B1 (fr) 1984-08-28 1984-08-28 Parement en plaques pour le talus des massifs de sols, notamment des massifs de sols renforces par des nappes geotextiles
FR8413301 1984-08-28

Publications (3)

Publication Number Publication Date
EP0174253A2 EP0174253A2 (fr) 1986-03-12
EP0174253A3 EP0174253A3 (en) 1986-03-26
EP0174253B1 true EP0174253B1 (fr) 1988-10-19

Family

ID=9307250

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401687A Expired EP0174253B1 (fr) 1984-08-28 1985-08-27 Parement en plaques pour le talus des massifs de sols, notamment des massifs de sols renforcés par des nappes géotextiles

Country Status (9)

Country Link
US (1) US4662794A (ja)
EP (1) EP0174253B1 (ja)
JP (1) JPS61155517A (ja)
AT (1) ATE38067T1 (ja)
CA (1) CA1238200A (ja)
DE (1) DE3565701D1 (ja)
ES (1) ES296986Y (ja)
FR (1) FR2569741B1 (ja)
HU (1) HU206228B (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3920514A1 (de) * 1989-06-22 1991-01-10 Munderkingen Betonwerke Vorgefertigter hangstein fuer den aufbau begruenbarer stuetzbauwerke
IT1262917B (it) * 1992-01-20 1996-07-22 Rios Giovanni Da Foglio composito per il rinforzo di opere di sostegno delle terre di rilevati, scarpate e simili e procedimento di produzione di esso
US5325643A (en) * 1992-08-04 1994-07-05 Mitchell William F Soil retainer block
GB2276899B (en) * 1993-03-11 1995-12-20 Cordek Ltd Improvements in or relating to filling in a hollow in the ground
US5564865A (en) * 1993-12-17 1996-10-15 Jansson; Jan E. Concrete module for retaining wall and improved retaining wall
FR2741643B1 (fr) * 1995-11-24 1998-02-13 Pierre Richard Molina Procede de renforcement d'ouvrages, constitues au moins d'un materiau non coherent, au moyen d'elements allonges de renfort et element de renfort pour la mise en oeuvre du procede
US20030222153A1 (en) * 2000-07-06 2003-12-04 Jamily Pentz Data card
US7524144B2 (en) 2004-06-22 2009-04-28 Allan Block Corporation Retaining wall
US8402875B2 (en) * 2007-09-19 2013-03-26 Roger DeGreef Armor plated device
EP2884007B1 (en) 2013-12-10 2016-07-27 AS Amhold Restoration and reinforcement of a scarp
EE01304U1 (et) 2013-12-10 2015-07-15 As Amhold Meetod astangu taastamiseks ja kindlustamiseks ning astangul paikneva tehiskoormuse toestamiseks

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3570253A (en) * 1964-03-26 1971-03-16 Henri C Vidal Constructional works
US4067166A (en) * 1975-06-12 1978-01-10 Sheahan Edmund C Retaining block
US4117686A (en) * 1976-09-17 1978-10-03 Hilfiker Pipe Co. Fabric structures for earth retaining walls
US4329089A (en) * 1979-07-12 1982-05-11 Hilfiker Pipe Company Method and apparatus for retaining earthen formations through means of wire structures

Also Published As

Publication number Publication date
FR2569741A1 (fr) 1986-03-07
DE3565701D1 (en) 1988-11-24
HU206228B (en) 1992-09-28
HUT54754A (en) 1991-03-28
EP0174253A3 (en) 1986-03-26
FR2569741B1 (fr) 1986-09-19
EP0174253A2 (fr) 1986-03-12
CA1238200A (en) 1988-06-21
ES296986Y (es) 1989-02-01
ES296986U (es) 1988-06-16
ATE38067T1 (de) 1988-11-15
US4662794A (en) 1987-05-05
JPS61155517A (ja) 1986-07-15

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