EP1356165A1 - Procede de realisation d'un massif de remblai renforce - Google Patents
Procede de realisation d'un massif de remblai renforceInfo
- Publication number
- EP1356165A1 EP1356165A1 EP02701373A EP02701373A EP1356165A1 EP 1356165 A1 EP1356165 A1 EP 1356165A1 EP 02701373 A EP02701373 A EP 02701373A EP 02701373 A EP02701373 A EP 02701373A EP 1356165 A1 EP1356165 A1 EP 1356165A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tires
- strip
- layer
- strips
- block
- 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.)
- Granted
Links
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 the construction of embankments with vertical or inclined facing. More specifically, it relates to a method for producing a reinforced embankment mass which has on at least one of its lateral faces a vertical or oblique facing formed by a stack of tires, said mass consisting of superimposed layers of embankment, separated by flexible reinforcement plies and comprising on said lateral face at least one row of tires.
- FR-2 682 700 plans to use used tires in particular. These tires are preferably cut at at least one of their sidewalls. The interior of these cut tires is then filled with backfill or topsoil or waste by compatible and harmless industrial by-products, as the massif rises.
- the reinforcing plies are essentially constituted by lattices or geogrids, and the connection between these lattices or geogrids and the tires is carried out by friction or by any other type of attachment. This solution makes it possible to use used tires which constitute an environmental problem, but it requires cutting off the sidewalls of the tires, which can prove to be expensive.
- EP-0-220 996 relates to the production of a block of flexible, insulating light construction in which the body of the block consists of discarded tires devoid of mutual connection and of filling material to form a honeycomb body of low density, and the body of the bed is associated with an immobilization and anchoring layer ensuring the cohesion and the volume confinement of the tires.
- Intermediate immobilization and anchoring layers can be placed inside the massif.
- These immobilization and anchoring layers preferably comprise strips projecting laterally which are anchored in materials bordering the massif.
- This document relates to a type of backfill different from that of the invention since the tires do not constitute a facing or a confinement wall of the solid mass.
- the object of the invention is to propose a method of constructing a block as mentioned in the introduction which is more economical and easier to implement.
- the invention achieves its object by the fact that, in order to produce a layer, the procedure is as follows: a flexible reinforcing ply is placed on the ground or the preceding layer which has on said lateral face a band extending laterally divided into strips the dimension of which is adapted to the dimension of the tires, so that the ends of said strips can be folded over the tires of the layer to be produced; there is at least one row of tires on said reinforcement ply in correspondence with the strips; each strip of the strip is folded over the corresponding tire so as to wrap the portion of tire exposed on said lateral face and to introduce the end of said strip inside the tire; and the ends of the strips and said reinforcement ply are covered with a layer of fill which is compacted.
- the weights of the different layers of tire filled with fill thus firmly maintain the ends of the strips inside the tires and, the latter being wrapped in the reinforcement 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 have an almost vertical lateral face. Very advantageously, whole tires are used.
- discarded tires are used. This makes it possible to have a cheap raw material and to at least partially resolve the corresponding environmental problems.
- an architectural facing is positioned in front of the rows of tires.
- Figure 3 is a top view of Figure 1.
- the reference 1 a solid embankment or earth, under construction, arranged on a ground 2 previously leveled.
- the massif 1 is produced by layers ci, c 2 , c 3 , c successive of compacted fill separated by flexible reinforcement plies n 2 , n 3 , n 4 , a first reinforcement ply ni being placed on the ground 2 to 1 location of the block 1.
- the backfill layers Ci to c 4 are bordered on at least one lateral face 3 of the block 1, by a row ⁇ to r of tires 4, the tires 4 of the odd rows being staggered relative to the tires in odd rows.
- the layers Ci to c 3 are already produced, and the production of layer c is carried out.
- the reinforcement ply n is placed above the layer c 3 .
- This reinforcement ply 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 according to 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 the layer c 3 -
- the reinforcing plies neither 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 ci, c 3 of odd rank are preferably staggered with respect to the tires 4 of 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.
- each strip 6 is then folded back over the corresponding tire 4, in order to wrap the external portion 9 of the tire 4 situated on the side of the lateral face 3 of the block 1. This operation is represented schematically by the arrow F in FIG. 1, and the end 8 of the strip 6 is introduced into the central cavity 10 of the tire 4.
- the ends 8 of the strips 6 and the reinforcement ply n 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.
- the annular space 11 delimited by the peripheral wall of the tire and its sidewalls may contain a small amount of fill.
- each layer Ci to c is substantially equal to the width of a tire 4.
- the tires 4 all have the same dimension. These tires are whole, that is to say that their sidewalls are not previously cut. For the sake of economy, we use discarded tires.
- An architectural facing, not shown in the drawings, can be positioned in front of the rows of tires 4 before or after the installation of the bed.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Revetment (AREA)
- Tires In General (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
Claims
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 true EP1356165A1 (fr) | 2003-10-29 |
EP1356165B1 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 |
---|---|---|---|---|
CA2339623A1 (fr) * | 1998-08-06 | 2000-02-17 | Ecoflex Australia Pty. Limited | Structure pour fondations en pneu |
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. |
PL201345B1 (pl) * | 1997-04-28 | 2009-04-30 | Ecoflex Pty Ltd | Ściana oporowa, zwłaszcza do ochrony obwałowania i sposób wykonywania ściany oporowej, zwłaszcza do ochrony obwałowania |
-
2001
- 2001-02-02 FR FR0101403A patent/FR2820442B1/fr not_active Expired - Fee Related
-
2002
- 2002-02-01 DE DE60201500T patent/DE60201500D1/de not_active Expired - Lifetime
- 2002-02-01 AT AT02701373T patent/ATE278843T1/de not_active IP Right Cessation
- 2002-02-01 WO PCT/FR2002/000386 patent/WO2002063105A1/fr not_active Application Discontinuation
- 2002-02-01 EP EP02701373A patent/EP1356165B1/fr not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO02063105A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2002063105A1 (fr) | 2002-08-15 |
DE60201500D1 (de) | 2004-11-11 |
FR2820442A1 (fr) | 2002-08-09 |
EP1356165B1 (fr) | 2004-10-06 |
FR2820442B1 (fr) | 2003-04-25 |
ATE278843T1 (de) | 2004-10-15 |
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