EP1356165B1 - Procede de realisation d'un massif de remblai renforce - Google Patents
Procede de realisation d'un massif de remblai renforce Download PDFInfo
- Publication number
- EP1356165B1 EP1356165B1 EP02701373A EP02701373A EP1356165B1 EP 1356165 B1 EP1356165 B1 EP 1356165B1 EP 02701373 A EP02701373 A EP 02701373A EP 02701373 A EP02701373 A EP 02701373A EP 1356165 B1 EP1356165 B1 EP 1356165B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tyres
- tires
- layer
- embankment
- strip
- 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
Links
Images
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
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0291—Retaining or protecting walls characterised by constructional features made up of filled, bag-like elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0001—Rubbers
- E02D2300/0003—Car tires
Definitions
- the invention relates to the technical field of construction of embankments with vertical or inclined facing.
- It relates more precisely to a method for carrying out a reinforced embankment mass which has on at least one of its faces lateral a vertical or oblique facing formed by a stack of tires, the said massif being made up of overlapping layers of embankment, separated by flexible reinforcement plies and comprising on said side face at least one row of tires.
- FR-2 682 700 plans to use tires in particular Used. These tires are preferably cut to at least one from their flanks. The interior of these cut tires is then filled with backfill or topsoil or industrial by-product waste compatible and safe, as the massif rises.
- the reinforcement plies are essentially constituted by trellises or geogrids, and the connection between these trellises or geogrids and tires is made by friction or by any other type hooking. This solution allows the use of used tires which constitute an environmental problem, but it requires cutting the sidewalls of tires, which can be costly.
- EP-0-220 996 concerns the production of a massive light flexible and insulating construction in which the body of the premise is consisting of discarded tires without mutual bonding and filling material to form a low mass honeycomb volume, and the body of the bed is associated with a layer immobilization and anchoring ensuring cohesion and containment tire volume.
- Immobilization and anchor layers intermediaries can be arranged inside the massif. These layers immobilization and anchoring preferably have bands laterally protruding which are anchored in materials bordering the massif.
- This document concerns a different type of backfill than that of the invention because the tires do not constitute a facing or a containment wall of the massif.
- the object of the invention is to propose a method of construction of a massif as mentioned in the introduction which is more economical and easier to implement.
- the weights of the different layers of tires filled with fill thus firmly hold the ends of the strips inside the tires and, the latter being wrapped in the reinforcing ply, at least on the side of the side face, are firmly retained to form the containment wall of the massif.
- the latter can thus present a almost vertical side face.
- discarded tires are used. This allows to have a cheap raw material and to settle at least in part the corresponding environmental problems.
- the reference 1 shows a solid embankment or earth, under construction, placed on a ground 2 previously leveled.
- Mass 1 is produced by successive layers c 1 , c 2 , c 3 , c 4 of compacted fill separated by flexible reinforcement plies n 2 , n 3 , n 4 , a first reinforcement ply n 1 being placed on the ground 2 at the location of the massif 1.
- the backfill layers c 1 to c 4 are bordered on at least one lateral face 3 of the massif 1, by a row r 1 to r 4 of tires 4, the tires 4 of the odd rows being staggered in relation to the tires of the odd rows.
- the layers c 1 to c 3 are already made, and the layer c 4 is produced .
- the reinforcement ply n 4 is placed above the layer c 3 .
- This reinforcement ply n 4 has dimensions slightly greater than those of layer c 3 . It thus has, on the side of the lateral face 3, an overhanging strip 5.
- This overhanging strip 5 is cut into strips 6 whose dimensions are adapted as a function of the dimensions of the tires 4.
- the strips 6 have in particular a width substantially equal to the diameter of a tire 4. These strips 6 are obtained either by making transverse cuts 7 in the strip 5, or by using strips having a width equal to the diameter of the tires 4 to cover layer c 3 .
- the reinforcement plies n 1 to n 4 are preferably made from bidirectional flexible elements, such as strips or films of woven geotextile, or geogrids.
- the row r 4 of tires 4 is placed on the edge of the block 1.
- the tires 4 of the layers c 1 , c 3 of odd rank are preferably staggered with respect to the tires 4 layers c 2 , c 4 of even rank, as shown in FIG. 2.
- Each tire 4 of row r 4 is thus arranged next to a strip 6.
- the ends 8 of the strips 6 and the reinforcing ply n 4 are then covered with a layer of fill which is compacted.
- the central cavity 10 of a tire 4 thus contains the end 8 of a strip 6 and a certain amount of backfill serving as blocking.
- Space 11 annular delimited by the peripheral wall of the tire and its sidewalls can contain a small amount of fill.
- each layer c 1 to c 4 is substantially equal to the width of a tire 4.
- the tires 4 all have the same dimension. These tires are whole, i.e. their sidewalls are not previously cut. For the sake of economy, we use tires put off.
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Tires In General (AREA)
- Revetment (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Description
- la figure 1 est une vue en coupe montrant un exemple de construction d'un remblai selon l'invention ;
- la figure 2 est une vue en coupe prise selon la ligne II-II de la figure 1 ; et
- la figure 3 est une vue de dessus de la figure 1.
Claims (4)
- Procédé pour réaliser un massif de remblai (1) renforcé qui présente sur au moins l'une de ses faces latérales (3) un parement vertical ou oblique formé par un empilement de pneus (4), ledit massif (1) étant constitué de couches de remblai (c1 à c4) séparées par des nappes de renforcement souples (n1 à n4) et comportant sur ladite face latérale (3) au moins une rangée (r1 à r4) de pneus (4), et selon lequel, pour réaliser une couche (c4), on procède de la manière suivante :on dispose sur le sol ou la couche précédente (c3) une nappe de renforcement souple (n4) qui présente sur ladite face latérale (3) une bande (5) débordant latéralement partagée en lés (6) dont la dimension est adaptée à la dimension des pneus (4) afin que les extrémités (8) desdits lés (6) puissent être rabattues au-dessus des pneus (4) de la couche à réaliser (c4) ;on dispose au moins une rangée (r4) de pneus (4) sur ladite nappe de renforcement (n4) en correspondance avec les lés (6) ;on rabat chaque lé (6) de la bande (5) au-dessus du pneu (4) correspondant de manière à envelopper la portion (9) de pneu exposée sur ladite face latérale (3) et à introduire l'extrémité (8) dudit lé (6) à l'intérieur du pneu (4) ; eton remblaie l'intérieur des pneus (4) d'une couche de matériau (r4) que l'on compacte.
- Procédé selon la revendication 1, caractérisé par le fait que l'on utilise des pneus (4) entiers.
- Procédé selon la revendication 2, caractérisé par le fait que l'on utilise des pneus (4) rebutés.
- Procédé selon l'une des revendications 1 à 3, caractérisé par le fait que l'on associe aux rangées de pneus (4) un parement architectonique positionné préalablement ou non à la mise en place du massif.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0101403A FR2820442B1 (fr) | 2001-02-02 | 2001-02-02 | Procede de realisation d'un massif de remblai renforce |
FR0101403 | 2001-02-02 | ||
PCT/FR2002/000386 WO2002063105A1 (fr) | 2001-02-02 | 2002-02-01 | Procede de realisation d'un massif de remblai renforce |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1356165A1 EP1356165A1 (fr) | 2003-10-29 |
EP1356165B1 true EP1356165B1 (fr) | 2004-10-06 |
Family
ID=8859535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02701373A Expired - Lifetime EP1356165B1 (fr) | 2001-02-02 | 2002-02-01 | Procede de realisation d'un massif de remblai renforce |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1356165B1 (fr) |
AT (1) | ATE278843T1 (fr) |
DE (1) | DE60201500D1 (fr) |
FR (1) | FR2820442B1 (fr) |
WO (1) | WO2002063105A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6533501B1 (en) * | 1998-08-06 | 2003-03-18 | Ecoflex Australia Pty Limited | Tyre foundation structure |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2587051B1 (fr) | 1985-09-06 | 1988-03-04 | Perrin Jacques | Procede de realisation d'un massif de construction leger, souple et isolant et massif obtenu |
FR2682700B1 (fr) | 1991-10-16 | 1995-11-24 | Terrassements Ste Fo Entrepris | Dispositif pour la realisation d'un remblai renforce. |
JP2002501583A (ja) * | 1997-04-28 | 2002-01-15 | エコフレックス オーストラリア プロプライエタリー リミテッド | 擁壁システム |
-
2001
- 2001-02-02 FR FR0101403A patent/FR2820442B1/fr not_active Expired - Fee Related
-
2002
- 2002-02-01 WO PCT/FR2002/000386 patent/WO2002063105A1/fr not_active Application Discontinuation
- 2002-02-01 AT AT02701373T patent/ATE278843T1/de not_active IP Right Cessation
- 2002-02-01 EP EP02701373A patent/EP1356165B1/fr not_active Expired - Lifetime
- 2002-02-01 DE DE60201500T patent/DE60201500D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2002063105A1 (fr) | 2002-08-15 |
DE60201500D1 (de) | 2004-11-11 |
EP1356165A1 (fr) | 2003-10-29 |
ATE278843T1 (de) | 2004-10-15 |
FR2820442A1 (fr) | 2002-08-09 |
FR2820442B1 (fr) | 2003-04-25 |
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