EP0283336B1 - Light earth-retaining construction - Google Patents
Light earth-retaining construction Download PDFInfo
- Publication number
- EP0283336B1 EP0283336B1 EP88400313A EP88400313A EP0283336B1 EP 0283336 B1 EP0283336 B1 EP 0283336B1 EP 88400313 A EP88400313 A EP 88400313A EP 88400313 A EP88400313 A EP 88400313A EP 0283336 B1 EP0283336 B1 EP 0283336B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- block
- plastics material
- structure according
- porous plastics
- concrete
- 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
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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
- E02D29/0258—Retaining or protecting walls characterised by constructional features
- E02D29/0283—Retaining or protecting walls characterised by constructional features of mixed type
Definitions
- the present invention relates to a light work of land consolidation.
- JP-A-60-3321 the construction of a retaining ouozage is proposed, comprising the insertion of concrete wall elements into a U-shaped groove made in a concrete foundation.
- the invention therefore relates to a light soil consolidation structure, comprising a substantially U-shaped concrete footing, into which is inserted at least one parallelepipedal element characterized in that the element is made of a cellular plastic material in the form of 'a block, the upper part of said element projecting from the sole being successively covered by a mesh and a thin layer of concrete.
- the cellular plastic material in the form of a block may in particular be expanded polystyrene or honeycomb polypropylene, or any other similar material.
- the block of cellular plastic material can be provided, at its lower part projecting from the concrete base, with barbacans.
- the part of the block of cellular plastic material inserted between the two branches of the U-shaped sole can be grooved on its lateral faces to offer better adhesion to concrete.
- the block of cellular plastic material has a slight angle between the vertical and the slope (i.e. the edge of the ground to be consolidated) to take into account the bending of the material at the time of loading.
- connection can be made using at least one steel rod, in particular twisted, laterally crossing the blocks and optionally folded at the end.
- the blocks can be linked together by gluing.
- the light land consolidation structure according to the invention can be installed, for example, in the following manner.
- the blocks of cellular plastic material are cut to the desired dimensions and, if necessary, their lower lateral part is grooved for example with a saw. Furthermore, the foot of the slope to be consolidated is released.
- the base of the U-shaped concrete footing is poured in situ and the blocks of cellular plastic material are aligned on top and linked together by means of steel rods or glue. Then the two branches of the U-shaped concrete footing are poured.
- the ground is backfilled and the upper part of the blocks of protruding cellular plastic material is successively covered with a mesh and a thin layer of concrete by spraying.
- the lightweight land consolidation structure according to the invention is particularly easy to implement and offers great safety in use, for example during road construction.
- the light land consolidation work or light wall shown in FIG. 1 comprises a concrete footing 1 substantially in the form of a U, in which is inserted a parallelepipedic element 2 made of a cellular plastic material in the form of a block, the upper part of said element protruding from the sole being successively covered by a grid 3 and of a thin layer of concrete 4, for example by spraying by means of a nozzle 5.
- the dimensions of the concrete footing 1 can be for example: width 1.10 m, height 0.55 m, height of the branches of the U 0.30 m, the length being chosen according to consolidation needs.
- the block 2 of cellular plastic material in particular of expanded polystyrene (for example “Compyryrene”) can have as dimensions for example: height 1.20 m, width 0.50 m, and the lateral faces of its inserted part, to a depth of 0.30 m for example, in the concrete footing 1, can be grooved (not shown) using a saw.
- the useful height of this wall according to the above dimensions is approximately 0.90 m.
- the lower part of the block 2 protruding from the sole 1 is provided with a system of barbican 6 having for example a diameter of 5 cm allowing the drainage of water.
- the block 2 usefully has a slight angle of about 2 ° between the vertical and the slope to hold the bending of the cellular plastic material at the time of loading.
- Figs. 2 and 3 represent a light structure for consolidating land of dimensions larger than that of FIG. 1, of which the concrete footing 1 has for example as dimensions: width 2.20 m, height 1 m, width between the branches of the U 1, height of the branches 0.75 m, the length can be varied at will.
- Several blocks 2 of cellular plastic material, in particular of polystyrene, having for example as dimensions 2.50 mx0.50 mx 1.20 are inserted into the sole over a depth of 0.75 m.
- the blocks 2 are linked together by means of twisted steel rods 7 having for example a diameter of 8 mm. If necessary they can be glued.
- the mesh 3 the thin layer of concrete 4 sprayed by a nozzle 5 and the barbican 6, the embodiment may be identical to that of the structure of FIG. 1.
- the useful height of the wall is 2 m.
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- 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)
- Liquid Crystal (AREA)
- Magnetic Heads (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Road Signs Or Road Markings (AREA)
- Finishing Walls (AREA)
- Revetment (AREA)
- Laser Surgery Devices (AREA)
- Laser Beam Processing (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
Description
La présente invention a pour objet un ouvrage léger de consolidation de terrains.The present invention relates to a light work of land consolidation.
Jusqu'à présent la consolidation des terrains est en général effectué à l'aide de gabions, ou de petits murs de béton armé, ou encore de murs préfabriqués. Toutes ces réalisations demandent une main d'eouvre importante à cause des grandes quantités de matériaux et/ou de terre devant être utilisés.Up to now, land consolidation has generally been done using gabions, or small reinforced concrete walls, or even prefabricated walls. All these achievements require a large workforce due to the large quantities of materials and / or soil to be used.
Selon JP-A-60-3321 on a propose la construction d'un ouozage de souténement comprenant l'insertion d'éléments muraux en béton dans une gorge en forme de U menagée dans une fondation en béton.According to JP-A-60-3321, the construction of a retaining ouozage is proposed, comprising the insertion of concrete wall elements into a U-shaped groove made in a concrete foundation.
On a maintenant trouvé un système de consolidation de terrains du type mur léger, qui est efficace et facile à mettre en oeuvre.We have now found a consolidation system of land type light wall, which is effective and easy to implement.
L'invention concerne donc un ouvrage léger de consolidation de terrains, comprenant une semelle de béton sensiblement en forme de U, dans laquelle est inséré au moins un élément parallélépipdédique caractérisé en ce que l'élément est constitué en un matériau plastique alvéolaire sous forme d'un bloc, la partie supérieure dudit élément dépassant de la semelle étant recouverte successivement par un grillage et d'une mince couche de béton.The invention therefore relates to a light soil consolidation structure, comprising a substantially U-shaped concrete footing, into which is inserted at least one parallelepipedal element characterized in that the element is made of a cellular plastic material in the form of 'a block, the upper part of said element projecting from the sole being successively covered by a mesh and a thin layer of concrete.
Le matériau plastique alvéolaire sous forme de bloc peut être notamment du polystyrène expansé ou du polypropylène en nid d'abeille, ou tout autre matériau semblable.The cellular plastic material in the form of a block may in particular be expanded polystyrene or honeycomb polypropylene, or any other similar material.
Selon d'autres caractéristiques préférées:According to other preferred characteristics:
Afin d'assuer un drainage des eaux, le bloc de matériau plastique alvéolaire peut être muni, à sa partie inférieure dépassant de la semelle de béton, de barbacanes.In order to ensure drainage of water, the block of cellular plastic material can be provided, at its lower part projecting from the concrete base, with barbacans.
La partie du bloc de matériau plastique alvéolaire insérée entre les deux branches de la semelle en forme de U peut être cannelée sur ses faces latérales pour offrir une meilleure adhérence au béton.The part of the block of cellular plastic material inserted between the two branches of the U-shaped sole can be grooved on its lateral faces to offer better adhesion to concrete.
Le bloc de matériau plastique alvéolaire présente un léger angle entre la verticale et le talus (c'est-à-dire le bord du terrain devant être consolidé) pour tenir compte de la flexion du matériau au moment du chargement.The block of cellular plastic material has a slight angle between the vertical and the slope (i.e. the edge of the ground to be consolidated) to take into account the bending of the material at the time of loading.
Dans la plupart des cas de figure, on utilisera plusieurs blocs de matériau plastique alvéolaire qui devront être liés entre eux.In most cases, several blocks of cellular plastic material will be used which must be linked together.
Cette liaison peut être effectuée à l'aide d'au moins une tige d'acier, notamment torsadée, traversant latéralement les blocs et éventuellement plié en bout. Selon une autre variante, les blocs peuvent être liés entre eux par collage.This connection can be made using at least one steel rod, in particular twisted, laterally crossing the blocks and optionally folded at the end. According to another variant, the blocks can be linked together by gluing.
L'ouvrage léger de consolidation de terrains selon l'invention peut être mis en place par example de la manière suivante.The light land consolidation structure according to the invention can be installed, for example, in the following manner.
Préliminairement, les blocs de matériau plastique alvéolaire sont découpés aux dimensions désirées et, le cas échéant, leur partie latérale inférieure est cannelée par exemple à la scie. Par ailleurs, le pied du talus devant être consolidé est dégagé. La base de la semelle de béton en forme de U est coulée in situ et les blocs de matériau plastique alvéolaire sont alignés par dessus et liés entre eux au moyen de tiges d'acier ou de colle. Ensuite les deux branches de la semelle de béton en forme de U sont coulées. Lorsque le béton à pris, le terrain est remblayé et la partie supérieure des blocs de matériau plastique alvéolaire dépassant est recouverte successivement d'un grillage et d'une mince couche de béton par projection.Preliminary, the blocks of cellular plastic material are cut to the desired dimensions and, if necessary, their lower lateral part is grooved for example with a saw. Furthermore, the foot of the slope to be consolidated is released. The base of the U-shaped concrete footing is poured in situ and the blocks of cellular plastic material are aligned on top and linked together by means of steel rods or glue. Then the two branches of the U-shaped concrete footing are poured. When the concrete has set, the ground is backfilled and the upper part of the blocks of protruding cellular plastic material is successively covered with a mesh and a thin layer of concrete by spraying.
L'ouvrage léger de consolidation de terrains selon l'invention est particulièrement facile à mettre en oeuvre et offre une grande sécurité à l'utilisation, par exemple lors de la construction de routes.The lightweight land consolidation structure according to the invention is particularly easy to implement and offers great safety in use, for example during road construction.
La description suivante en regard des dessins annexés fera mieux comprendre la réalisation de l'invention.The following description with reference to the accompanying drawings will make it easier to understand the embodiment of the invention.
Sur ces dessins:
- la Fig. 1 représente une vue en perspective d'un ouvrage léger de consolidation de terrains comprenant un seul bloc de matériau plastique alvéolaire;
- la Fig. 2 représente une vue en perspective d'un ouvrage léger de consolidation de terrains comprenant plusieurs blocs de matériau plastique alvéolaire; et
- la Fig. 3 représente une vue de côté en coupe de l'ouvrage selon la Fig. 2 en place contre le terrain devant être consolidé.
- Fig. 1 shows a perspective view of a light land consolidation structure comprising a single block of cellular plastic material;
- Fig. 2 shows a perspective view of a light land consolidation work comprising several blocks of cellular plastic material; and
- Fig. 3 shows a side view in section of the structure according to FIG. 2 in place against the ground to be consolidated.
L'ouvrage léger de consolidation de terrains ou mur léger représenté sur la Fig. 1 comprend une semelle de béton 1 sensiblement en forme de U, dans laquelle est inséré un élément parallélépipédique 2 en un matériau plastique alvéolaire sous forme d'un bloc, la partie supérieure dudit élément dépassant de la semelle étant recouverte successivement par un grillage 3 et d'une mince couche de béton 4, par exemple par projection au moyen d'une buse 5. Les dimensions de la semelle de béton 1 peuvent être par exemple: largeur 1,10 m, hauteur 0,55 m, hauteur des branches du U 0,30 m, la longueur étant choisie selon les nécessités de consolidation. Le bloc 2 en matériau plastique alvéolaire, notamment du polystyrène expansé (par exemple du "Compos- tyrène") peut avoir comme dimensions par exemple: hauteur 1,20 m, largeur 0,50 m, et les faces latérales de sa partie insérée, sur une profondeur de 0,30 m par exemple, dans la semelle de béton 1, peut être cannelée (non représentée) à l'aide d'une scie. La hauteur utile de ce mur selon les dimensions précitées est d'environ 0,90 m. La partie inférieure du bloc 2 dépassant de la semelle 1 est munie d'un système de barbacanes 6 ayant par exemple un diamètre de 5 cm permettant le drainage des eaux. Le bloc 2 présente utilement un léger angle d'environ 2° entre la verticale et le talus pour tenir de la flexion du matériau plastique alvéolaire au moment du chargement.The light land consolidation work or light wall shown in FIG. 1 comprises a concrete footing 1 substantially in the form of a U, in which is inserted a
Les Figs. 2 et 3 représentent un ouvrage léger de consolidation de terrains de dimensions supérieures à celui de la Fig. 1, dont la semelle de béton 1 a par exemple comme dimensions: largeur 2,20 m, hauteur 1 m, largeur entre les branches du U 1, hauteur des branches 0,75 m, la longueur pouvant être variée à volonté. Plusieurs blocs 2 de matériau plastique alvéolaire, notamment de polystyrène, ayant par exemple comme dimensions 2,50 mx0,50 mx1,20 sont insérés dans la semelle sur une profondeur de 0,75 m. Les blocs 2 sont liés entre eux au moyen de tiges d'acier 7 torsadées ayant par exemple un diamètre de 8 mm. Les cas échéant ils peuvent être collés. Pour le reste, c'est à dire le grillage 3, la couche mince de béton 4 pulvérisée par une buse 5 et les barbacanes 6, la réalisation peut être identique à celle de l'ouvrage de la Fig. 1. Dans cet exemple, la hauteur utile du mur est de 2 m.Figs. 2 and 3 represent a light structure for consolidating land of dimensions larger than that of FIG. 1, of which the concrete footing 1 has for example as dimensions: width 2.20 m, height 1 m, width between the branches of the U 1, height of the branches 0.75 m, the length can be varied at will.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88400313T ATE60098T1 (en) | 1987-02-13 | 1988-02-11 | LIGHT BASIC SUPPORT CONSTRUCTION. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8701877 | 1987-02-13 | ||
FR8701877A FR2610961B1 (en) | 1987-02-13 | 1987-02-13 | LIGHT LAND CONSOLIDATION WORK |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0283336A1 EP0283336A1 (en) | 1988-09-21 |
EP0283336B1 true EP0283336B1 (en) | 1991-01-16 |
Family
ID=9347916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88400313A Expired - Lifetime EP0283336B1 (en) | 1987-02-13 | 1988-02-11 | Light earth-retaining construction |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0283336B1 (en) |
AT (1) | ATE60098T1 (en) |
DE (1) | DE3861525D1 (en) |
ES (1) | ES2019989B3 (en) |
FR (1) | FR2610961B1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4934093A (en) * | 1989-02-09 | 1990-06-19 | Yanna Harold E | Landscape edging |
KR100404820B1 (en) * | 1995-01-13 | 2004-03-12 | 오거스티너스 윌헬머스 마리아 베르텔스 | Wall structure |
AT2370U1 (en) * | 1997-08-27 | 1998-09-25 | Goetzinger Ges M B H | SLOPE STONE |
FR2806108A1 (en) * | 2000-03-10 | 2001-09-14 | Roudil Richard Perrin | Artificial hedge esp for reducing traffic noise is made from selfsupporting panels with fastenings for a decorative structure |
GB2377949B (en) * | 2001-06-13 | 2005-07-20 | Poundfield Products Ltd | Apparatus and method for constructing a freestanding wall |
NL1040098C2 (en) * | 2013-03-15 | 2014-09-16 | Wacer Wall B V | METHOD AND COMPOSITIONS FOR BUILDING A WALL, WALL BUILT BY SUCH METHOD AND WALL BUILT BY USING SUCH A COMPOSITION. |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1434871A (en) * | 1965-05-28 | 1966-04-08 | Method of erecting a retaining wall in precast concrete elements | |
US3461639A (en) * | 1967-05-09 | 1969-08-19 | Ronald Earl Merrill | Foundation wall construction and method of constructing same |
FR2030697A5 (en) * | 1969-11-26 | 1970-11-13 | Vg | |
DE2456915A1 (en) * | 1974-12-02 | 1976-08-12 | Acrow Wolff Gmbh | Screens against industrial traffic and similar noise - deflect sound on to sound- absorbing material or into open space |
FR2451422A1 (en) * | 1979-03-14 | 1980-10-10 | Rousset Michel | Prefabricated panel with footing - is for use in concrete construction work and needs no formwork |
FR2463836A2 (en) * | 1979-08-20 | 1981-02-27 | Malie Louis | Prefabricated reinforced concrete retaining wall segment - has undulating vertical wall and tapered section cast in situ with base section |
JPS603321A (en) * | 1983-06-20 | 1985-01-09 | Daiichi Zouen Doboku Kk | Wall structure |
-
1987
- 1987-02-13 FR FR8701877A patent/FR2610961B1/en not_active Expired
-
1988
- 1988-02-11 AT AT88400313T patent/ATE60098T1/en not_active IP Right Cessation
- 1988-02-11 DE DE8888400313T patent/DE3861525D1/en not_active Expired - Fee Related
- 1988-02-11 EP EP88400313A patent/EP0283336B1/en not_active Expired - Lifetime
- 1988-02-11 ES ES88400313T patent/ES2019989B3/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2610961B1 (en) | 1989-06-23 |
DE3861525D1 (en) | 1991-02-21 |
EP0283336A1 (en) | 1988-09-21 |
ATE60098T1 (en) | 1991-02-15 |
ES2019989B3 (en) | 1991-07-16 |
FR2610961A1 (en) | 1988-08-19 |
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