EP1178155A1 - Stabilisierter Boden und Verfahren zur dessen Herstellung - Google Patents

Stabilisierter Boden und Verfahren zur dessen Herstellung Download PDF

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Publication number
EP1178155A1
EP1178155A1 EP01118104A EP01118104A EP1178155A1 EP 1178155 A1 EP1178155 A1 EP 1178155A1 EP 01118104 A EP01118104 A EP 01118104A EP 01118104 A EP01118104 A EP 01118104A EP 1178155 A1 EP1178155 A1 EP 1178155A1
Authority
EP
European Patent Office
Prior art keywords
layer
fibers
lower layer
stabilized
height
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
Application number
EP01118104A
Other languages
English (en)
French (fr)
Other versions
EP1178155B1 (de
Inventor
Eric Maton
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.)
CEFIP SA
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CEFIP SA
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Publication date
Application filed by CEFIP SA filed Critical CEFIP SA
Publication of EP1178155A1 publication Critical patent/EP1178155A1/de
Application granted granted Critical
Publication of EP1178155B1 publication Critical patent/EP1178155B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
    • E01C13/065—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003 at least one in situ layer consisting of or including bitumen, rubber or plastics
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds

Definitions

  • the present invention relates to stabilized terrain, in particular for the practice of tennis, and its method of manufacture.
  • the invention also relates to a method of renovating existing stabilized land.
  • the stabilized ground comprises a support structured textile forming an open structure carpet made of fibers rot-proof synthetics.
  • the textile support is loaded successively a layer of sand and then a layer of crushed brick.
  • the layer of sand whose height is slightly less than the height of the support fibers textile, has a grain size ensuring proper drainage.
  • Layer crushed brick which has a grain size smaller than the grain size of the layer of sand, is arranged so as to fill the void remaining at the textile support surface.
  • the "French Court” offers playing comfort equivalent to that of a short court. traditional clay tennis. But such stabilized terrain requires a maintenance followed and is relatively fragile. Indeed, it is necessary to water the crushed brick to avoid it being dragged by the wind, and it is necessary also make a regular supply of crushed brick and brush the ground frequently. In addition, during hot weather, the crushed brick, which must be kept very humid (intense watering), undergoes annealing under these conditions. Crushed brick therefore tends to harden, which makes the ground impermeable.
  • the object of the present invention is to provide a stabilized terrain, in particular for the practice of tennis, which does not have the disadvantages mentioned above. According to the invention, this objective is achieved by a stabilized terrain according to claim 1.
  • a ground stabilized according to the invention comprises a base surface to which essentially vertical fibers are attached so as to form a carpet type support.
  • a lower layer of grainy material rests on the base surface and is distributed among the fibers, the height of this layer lower being lower than that of fibers.
  • an upper layer consisting essentially of crushed rock rests on the bottom layer. The height of the upper rock layer crushed is such that its upper surface is at a level higher than that from the upper end of the fibers.
  • the surface of the stabilized ground that is to say the upper surface of the top layer of crushed rock is located at above the fibers.
  • the carpet formed by the fiber base surface constitutes a reinforcement for the lower part of the upper layer, allowing the stabilization and drainage.
  • the crushed rock has a mass specific higher than that of crushed brick as well as greater hardness. In practice, it is not necessary to water the crushed rock as often as the crushed brick, and the main regular maintenance required by the stabilized ground according to the invention is the passage of a tow net. Over time, the rock crushed degrades much less quickly than crushed brick and the ground retains then an upper layer with good porosity. The ground is therefore quickly passable after heavy rain and is not likely to be destroyed by the freeze.
  • the stabilized ground according to the invention offers a surface quality, which allows in particular the practice of tennis, as well as sports such than football, baseball, athletics, or whatever.
  • the terrain will have an area suitable for its use, and regulatory play lines will need to be installed.
  • This land can even be made in shape strip, possibly winding, to serve for example as an access path in private property.
  • the stabilized terrain according to the invention is practicable for all weather and all year round, it can also be adapted to the environment in which it must be integrated.
  • the colors of the crushed rock varies according to its origin, which makes it possible to realize a ground of color adapted to its environment.
  • a crushed rock of light color for better brightness, thus improving the conditions of game at dusk.
  • the crushed rock is a hard rock, such as for example sandstone, or another hard rock that does not deteriorate with frost.
  • the rock crushed upper layer advantageously has a particle size between 0 and 2 mm. A good compromise is thus obtained between the surface quality and the porosity of the upper layer.
  • the top layer of crushed rock will include a mixture of grain sizes varying in the range of 0 to 2 mm, with a majority of grains having a particle size between 0 and 1 mm.
  • the proportion of crushed rock having a particle size between 0 and 0.2 mm should preferably be less than 20%.
  • the height of the upper layer is such that its upper surface is between 0.5 and 1.5 cm above the upper end of the fibers, preferably 1 cm.
  • the upper layer may have a surface mass of between 14 and 20 kg / m 2 , preferably 16 kg / m 2 .
  • the lower layer is essentially made of sand, the particle size of which is chosen so that the lower layer has a higher porosity than that of the layer upper in crushed rock.
  • the particle size is regular and precise, to limit the proportion of fines and thus guarantee good drainage.
  • the crushed rock has a continuous particle size between 0 and 2 mm, we preferably uses sand with a particle size of the order of 1 to 1.5 mm.
  • the lower layer is essentially consisting of a first sand sublayer having a particle size from 1 to 1.5 mm, resting on the base surface, and a second sand sublayer with a particle size of 0.5 to 1 mm, resting on the first underlay.
  • the first underlay allows a good penetration into the carpet and the second underlay forms a good base for the top layer.
  • the second sub-layer could alternatively be in crushed rock with a particle size of 1 at 1.5 mm.
  • the lower layer consists essentially crushed rock, the particle size of which is chosen so that that the lower layer has a higher porosity than that of the layer upper in crushed rock. So, for the lower layer, we will use preferably crushed rock with a particle size between 1 and 2 mm.
  • the base surface and the fibers forming the carpet-like support are preferably in synthetic material.
  • the carpet fibers advantageously a height between 10 and 25 mm, preferably between 20 and 23 mm, to ensure good vertical stability.
  • the base surface is advantageously permeable to allow direct flow of water crossing the land to an underlying drainage structure.
  • the height of the lower layer represents between 80% and 90% of the fiber height.
  • the fibers of the carpet have a height between 4 and 12 mm, preferably 6 mm.
  • the lower and upper layers can then be formed with a crushed rock of the same particle size, for example in the range of 0 to 2 mm. Such land offers good playing qualities for a modest production cost.
  • a manufacturing method is proposed.
  • a stabilized field in particular for the practice of tennis, in which we put in place a carpet type support on a bottom structure, the support carpet type being formed by a base surface to which are fixed essentially vertical fibers. Then, we form on the base surface a lower layer of granular material distributed between the fibers, the height of the lower layer being lower than that of the fibers. It will be appreciated that then forms an upper layer on the lower layer essentially of crushed rock, the height of the upper layer being such that its upper surface is at a level higher than that of the end upper fibers.
  • the present method therefore makes it easy to produce stabilized ground passable at all times and requires very little maintenance.
  • the structure of bottom that is to say the structure which supports the carpet-type support, preferably has draining properties, which directly eliminates water that flows through the ground when the base surface is permeable.
  • Such a bottom structure includes for example a layer called resorbent to absorbent properties, on which the carpet rests. A riprap, placed under the absorbent, allows moisture to escape from the absorbent.
  • the present manufacturing method allows also the manufacture of a stabilized ground on a bottom structure in concrete, including an old concrete tennis court.
  • the carpet is placed on the existing concrete surface, which will preferably have been leveled and regenerated. It is thus possible to transform a hard and worn tennis court in a stabilized field with great playing comfort.
  • a method of renovation is proposed.
  • a stabilized field including a stabilized tennis court, which includes a carpet-like support formed by a base surface at which essentially vertical fibers are attached, the carpet-like support having a lower layer of granular material resting on the surface base and having a height less than the height of the fibers.
  • an upper layer is formed on the lower layer essentially of crushed rock, the height of the upper layer being such that its upper surface is at a level higher than that of the end upper fibers.
  • This renovation method therefore makes it possible to restore various conditions stabilized soils of the sandy synthetic grass type, such as for example "French Court".
  • the top layer of crushed rock is thick and is essentially formed on the fiber, it is possible to eliminate defects of punctual flatness (holes in the carpet) or extending over the entire surface of the land to renovate (uneven ground structure).
  • Fig. 1 shows in perspective a stabilized ground 10 according to the present invention, converted into a tennis court.
  • the surface of the ground 12 is marked by playing lines 14 which delimit the playing surfaces into “single” and “double”.
  • a net 16 held by posts 18 separates the court in a known manner.
  • Fig.2 is shown a partial sectional view of the terrain 10. It includes a carpet type support 20 placed on a bottom structure 22 aux draining properties.
  • the carpet-like support 20 is formed by a surface of base 24, consisting of a canvas support impregnated with a layer of latex, which are fixed by conventional fiber tufting techniques 26 essentially vertical.
  • the fibers 26, with a height of 20 mm can be for example polypropylene or polyamide.
  • the base surface 24 is perforated to provide adequate drainage.
  • the stabilized terrain 10 includes a lower layer 28, resting on the base surface 24, essentially consisting of sand with a particle size of 1 to 1.5 mm.
  • the height of this lower layer 28 is 17 mm, that is to say that its height is lower than that of fibers 26.
  • an upper layer 30 in crushed rock preferably having a continuous particle size from 0 to 2 mm.
  • This upper layer 30 has a thickness of 1 cm. It therefore covers the upper ends of the fibers 26, that is to say the last 3 millimeters, and forms an overlay above the mat 20.
  • the playing surface 12 of the stabilized field 10 is therefore formed by the upper surface of the upper layer 30, and is therefore located at a level higher than that of fibers 26.
  • the playing comfort offered by the stabilized field 10 according to the invention is equivalent to that of a traditional tennis court, protecting muscles and joints.
  • the ball bouncing qualities are excellent and the playing surface 12 is fast.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Disintegrating Or Milling (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cultivation Of Plants (AREA)
EP01118104A 2000-08-01 2001-07-26 Stabilisierter Boden und Verfahren zur dessen Herstellung Expired - Lifetime EP1178155B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU90619A LU90619B1 (fr) 2000-08-01 2000-08-01 Terrain stabilis- et m-thode de fabrication d'un tel terrain stabilis-
LU90619 2000-08-01

Publications (2)

Publication Number Publication Date
EP1178155A1 true EP1178155A1 (de) 2002-02-06
EP1178155B1 EP1178155B1 (de) 2005-11-09

Family

ID=19731919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01118104A Expired - Lifetime EP1178155B1 (de) 2000-08-01 2001-07-26 Stabilisierter Boden und Verfahren zur dessen Herstellung

Country Status (5)

Country Link
EP (1) EP1178155B1 (de)
AT (1) ATE309413T1 (de)
DE (1) DE60114725T2 (de)
ES (1) ES2251431T3 (de)
LU (1) LU90619B1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1379733A1 (de) * 2001-03-21 2004-01-14 Gary Wayne Waterford Bodenfläche für Tennis
ES2246692A1 (es) * 2004-04-01 2006-02-16 Greenset Worldwide, S.L. Procedimiento de instalacion y reparacion de pistas de tenis de tierra batida.
US7387823B2 (en) 2001-03-16 2008-06-17 Gary Wayne Waterford Synthetic sports surface
FR2918681A1 (fr) * 2007-07-13 2009-01-16 Cefip Terrain de sport, notamment pour la pratique du tennis
EP2039831A1 (de) * 2007-09-24 2009-03-25 Domo Zele NV Kunstrasenanordnung
ITAN20120092A1 (it) * 2012-07-24 2014-01-25 Vesmaco Di Cacciani Romano Maria Procedimento per la realizzazione di pavimentazioni per impianti sportivi e pavimentazione ottenuta secondo tale procedimento.
NL2009969C2 (nl) * 2012-12-12 2014-06-16 Oranjewoud Realisatie B V Fundatie voor een sportveld, sportveld voorzien daarvan, en werkwijze voor het aanbrengen van een dergelijke fundatie.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0174755A1 (de) * 1984-08-25 1986-03-19 Nottinghamshire County Council Fussgänger-, Fahrzeug- oder Sportfeldbeläge und Unterlegmatten/Stosskissen
DE29602874U1 (de) * 1996-02-17 1996-04-04 Schöpp Sportboden GmbH, 58285 Gevelsberg Tuftingbelag für Tennisbodenbeläge
US5678951A (en) * 1993-02-12 1997-10-21 Sommer Levasseur Element for synthetic tennis ground and method for its production

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0174755A1 (de) * 1984-08-25 1986-03-19 Nottinghamshire County Council Fussgänger-, Fahrzeug- oder Sportfeldbeläge und Unterlegmatten/Stosskissen
US5678951A (en) * 1993-02-12 1997-10-21 Sommer Levasseur Element for synthetic tennis ground and method for its production
DE29602874U1 (de) * 1996-02-17 1996-04-04 Schöpp Sportboden GmbH, 58285 Gevelsberg Tuftingbelag für Tennisbodenbeläge

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7387823B2 (en) 2001-03-16 2008-06-17 Gary Wayne Waterford Synthetic sports surface
EP1379733A1 (de) * 2001-03-21 2004-01-14 Gary Wayne Waterford Bodenfläche für Tennis
EP1379733A4 (de) * 2001-03-21 2004-06-16 Gary Wayne Waterford Bodenfläche für tennis
JP2004524109A (ja) * 2001-03-21 2004-08-12 ウォーターフォード、ギャリー・ウェイン テニス用表面体
US7168883B2 (en) 2001-03-21 2007-01-30 Grass Manufacturers Pty Ltd Tennis surface
ES2246692A1 (es) * 2004-04-01 2006-02-16 Greenset Worldwide, S.L. Procedimiento de instalacion y reparacion de pistas de tenis de tierra batida.
FR2918681A1 (fr) * 2007-07-13 2009-01-16 Cefip Terrain de sport, notamment pour la pratique du tennis
EP2039831A1 (de) * 2007-09-24 2009-03-25 Domo Zele NV Kunstrasenanordnung
ITAN20120092A1 (it) * 2012-07-24 2014-01-25 Vesmaco Di Cacciani Romano Maria Procedimento per la realizzazione di pavimentazioni per impianti sportivi e pavimentazione ottenuta secondo tale procedimento.
NL2009969C2 (nl) * 2012-12-12 2014-06-16 Oranjewoud Realisatie B V Fundatie voor een sportveld, sportveld voorzien daarvan, en werkwijze voor het aanbrengen van een dergelijke fundatie.

Also Published As

Publication number Publication date
DE60114725D1 (de) 2005-12-15
DE60114725T2 (de) 2006-07-06
LU90619B1 (fr) 2002-02-04
ATE309413T1 (de) 2005-11-15
ES2251431T3 (es) 2006-05-01
EP1178155B1 (de) 2005-11-09

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