EP1378607A1 - Verfahren zum Erstellen eines Sportplatzes und Verwendung von Porenbetonplatten dafür - Google Patents

Verfahren zum Erstellen eines Sportplatzes und Verwendung von Porenbetonplatten dafür Download PDF

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Publication number
EP1378607A1
EP1378607A1 EP03364011A EP03364011A EP1378607A1 EP 1378607 A1 EP1378607 A1 EP 1378607A1 EP 03364011 A EP03364011 A EP 03364011A EP 03364011 A EP03364011 A EP 03364011A EP 1378607 A1 EP1378607 A1 EP 1378607A1
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EP
European Patent Office
Prior art keywords
slabs
network
layer
sand
bed
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.)
Withdrawn
Application number
EP03364011A
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English (en)
French (fr)
Inventor
Vincent Fenelon
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.)
Fenelon Annick
Original Assignee
Fenelon Annick
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Filing date
Publication date
Application filed by Fenelon Annick filed Critical Fenelon Annick
Publication of EP1378607A1 publication Critical patent/EP1378607A1/de
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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
    • E01C13/04—Pavings made of prefabricated single units
    • 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
    • E01C13/083—Construction of grass-grown sports grounds; Drainage, irrigation or heating arrangements therefor

Definitions

  • the present invention relates to a method for producing a sports ground.
  • This process allows in particular to make a tennis court analogous to a traditional clay or grass court.
  • the invention also relates to the use of concrete slabs cell for the realization of a network forming a sub-layer of a land for use athletic.
  • bitumen is waterproof and does not retain moisture necessary to keep the crushed brick on the court. It does not adhere well to the surface and players block between two slides.
  • the waterproofing of the screed also leads to allowing only a fine layer of clay on the finishing surface.
  • French application no. 2,553,447 describes a process for manufacture of a tennis court, which consists of placing on a base bed, a network of adjoining slabs or paving stones which constitutes the playing surface.
  • sandblasting operations are carried out, sweeping and grooming.
  • the purpose of sandblasting is to fill the joints between the pavers and block them mutually. The excess sand is then swept away.
  • grooming its function is to level the pavers, so as to avoid any shift which could cause a false rebound during the game.
  • Document FR-A-2 543 591 relates in particular to a process for laying prefabricated tiles for tennis court floors.
  • these tiles have symmetrical shoulders and are installed side by side on a bed of sand or mortar, which is placed on the groomed area of natural soil.
  • the tiles can be of aerated concrete.
  • connection of the tiles by shoulder profiles creates overhangs. Except for using excessively thick tiles, the side parts corresponding to regions with profiles will inevitably break, since setting in the vertical direction will not be done exclusively on the bed of material underlying.
  • the tiles will wear out quickly by friction since the player will be in direct contact with the surface.
  • Document FR-A-2 360 245 describes a process for cultivating plants in the form of plates or strips, so that you can then move these cultures.
  • the method consists in placing a porous layer on a masonry such as aerated concrete. A so-called layer is placed on this support "coherent", for example made of a felt, on which the cultivation soil is deposit.
  • Concrete retains irrigation water and transmits it to the ground, via felt.
  • the felt can purely and simply replace the cultivation soil.
  • document CH-A-670 575 concerns a playground in lawn, which consists of a juxtaposition of blocks consisting of a rigid support, resistant and permeable such as porous concrete, and a layer of seeded humus of grass.
  • the object of the present invention is to propose a method for construction of a sports ground, in particular a tennis court, of the same general type than that which is the subject of application FR-2 553 447, but which allows achieve the four objectives detailed in the introduction to this.
  • This process is characterized by the fact that concrete slabs are used cellular having the form of right prisms, which one covers the network thus formed a thin layer of at least one powdery and / or granular mineral material, such as only crushed brick or sand and we ensure the lateral wedging of the periphery of said land.
  • the present invention also relates to the use of slabs in cellular concrete for the construction of a network forming an underlay of a land to sports use.
  • cellular concrete is meant a cement paste or mortar into which aluminum powder has been introduced to create a multitude of small cells. According to some sources, this particular concrete could also be obtained by introducing, before hardening, air or gas. This concrete, after it has set, contains a multitude of spaces voids constituting closed or quasi-closed cells, with the exception of cells peripherals which are open. Thus, these cells are likely to receive moisture and return it to the outside environment, playing the role of water reservoir.
  • the alveoli closed do not tend to saturate with water, residual air remaining trapped in the alveoli.
  • frost on very wet slabs it is this air that compresses by the expansion of water turning into ice, thus preserving the slab bursting.
  • This type of concrete is to be distinguished from the porous concrete which consists a mixture of crushed and washed gravel, which does not have this moisture restoring characteristic.
  • the present applicants have found that, against all odds, the aerated concrete, which is traditionally used in building for the production of partitions or walls, due to its insulating characteristics due to its closed cells, could be used to form a network forming part part of a sports field.
  • the method according to the invention consists in depositing on a bed of base S a network 8 of contiguous slabs 80 of cellular concrete, which one covers layer 9 with at least one powdery and / or granular mineral material, such as crushed brick or sand.
  • the slabs 80 have the form of straight prisms, in this case of rectangular parallelepipeds. However, any other form that meets the definition of the right prism could be suitable.
  • edge strip consisting for example of P1 type edge plates.
  • P1 type edge plates prefabricated concrete plates, of the type of those used to define sidewalks and placed on a dry concrete bed, directly on the ground. If necessary, a buried pipe 4 improves the drainage of the base bed.
  • the bed is made up of three layers of different materials.
  • the stratum referenced 5 which rests on the natural terrain 2 is for example made up of gravel, of smaller particle size or equal to 30 millimeters, and preferably loaded with sand.
  • Such a layer of material is particularly draining. We can call it a foundation layer.
  • sand 7 consisting preferably traditional sand or kaolin sand.
  • this layer of sand preferably with a grain size less than 4 mm, which is the network 8 of cellular concrete slabs 80.
  • these tiles are arranged in rows R 1 to R 3 offset from each other by a half width, the spaces remaining free at the periphery of the court being filled with tiles of lengths identical to the others, but half width.
  • the edge strips 3 ensure lateral support of the surface thus produced.
  • lateral support can be achieved by other means, possibly pre-existing. These can be, for example, walls which delimit a room in which the land is built.
  • lateral support it is meant that the edge strips, walls, low walls or other means ensure peripheral wedging in the direction horizontal slabs, while leaving them the possibility of being subject to a few variations in displacement in the horizontal direction, due in particular to changes temperature and frost. Indeed, in such circumstances, each slab can be subjected, by the neighboring slabs, to efforts likely to make them slam.
  • the network 8 serves as a support sub-layer for the crushed brick 9.
  • layer thin a layer no more than 15 mm thick. This thickness may vary depending on the technical characteristics of the land sought.
  • this layer is about 3 to 5 millimeters thick.
  • Network 8 in aerated concrete slabs replaces craon, i.e. the limestone underlay, traditional clay courts. Its role is to serve as a wet underlay to adhere the crushed brick which is used as a thin finishing layer, as in traditional courts in clay. In the case of a flatness defect in the surface of the slabs, this is the crushed brick used as a leveling medium
  • This brick also protects the tiles from mutual friction. aerated concrete, whose wear resistance is weakened by the presence of moisture.
  • This network is therefore somehow made up of an assembly of unitary slabs and independent, each slab containing a multitude of cells. This structure gives the network the dual property of absorbing and then restoring moisture, while allowing the removal of excess water by the intervals between the slabs neighboring and by the porosity resulting from the juxtaposition of the slabs. In these conditions, the network thus formed can therefore be perfectly horizontal, no slope is only necessary for the evacuation of excess water.
  • the brick layer thus restores the qualities of the courts on clay and makes the rebound homogeneous, even in the areas where the slabs.
  • peripheral cells of the slabs allow good adhesion of the crushed brick, while the closed cells prevent its clogging in the thickness of the slabs.
  • the terrain can again be used 5 to 30 minutes maximum after the precipitation stops.
  • the land will be flooded. But because of the lack of slope, the crushed brick is not taken to the periphery.
  • the entire network 8 contributes to the evacuation of water over the entire playing surface.
  • the marking of the lines of play may be carried out so Traditional.
  • the network slabs absorb support very effectively players, due to the "spongy" character and the lightness of the concrete. This results in a better comfort at the joints.
  • the layer 9 is preferably made up of sand and the grass is placed on it, preferably in the form of pre-cultivated strips on substrate.
  • sports ground can be created, according to the invention.
  • the qualifier "sporty” must be understood in the broad sense, encompassing all playful activity.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
EP03364011A 2002-07-01 2003-07-01 Verfahren zum Erstellen eines Sportplatzes und Verwendung von Porenbetonplatten dafür Withdrawn EP1378607A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0208191 2002-07-01
FR0208191A FR2841576B1 (fr) 2002-07-01 2002-07-01 "procede de realisation d'un terrain a usage sportif et utilisation de beton cellulaire a cet effet"

Publications (1)

Publication Number Publication Date
EP1378607A1 true EP1378607A1 (de) 2004-01-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03364011A Withdrawn EP1378607A1 (de) 2002-07-01 2003-07-01 Verfahren zum Erstellen eines Sportplatzes und Verwendung von Porenbetonplatten dafür

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EP (1) EP1378607A1 (de)
FR (1) FR2841576B1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB321680A (en) * 1928-08-15 1929-11-15 Lowe James Neville Improvements in or relating to hard courts or playing grounds for tennis, badminton or the like
FR2360245A1 (fr) * 1975-01-03 1978-03-03 Vervaene Antoine Procede de culture, support utilise a cette fin et produit obtenu
FR2543591A1 (fr) * 1983-04-01 1984-10-05 Desjoyaux Jean Carreau prefabrique pour sol de courts de tennis et procede de pose
FR2553447A1 (fr) * 1983-10-14 1985-04-19 Baehrel Sa Procede de fabrication d'un terrain de sport tel qu'un court de tennis et terrain de sport obtenu par la mise en oeuvre du procede
CH670572A5 (en) * 1986-04-14 1989-06-30 Walter Bischoff Panels of turf or humus supported by porous tray opt. of plastic - to facilitate repair and reinforcement of locally worn zones of playing fields such as football pitches

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB321680A (en) * 1928-08-15 1929-11-15 Lowe James Neville Improvements in or relating to hard courts or playing grounds for tennis, badminton or the like
FR2360245A1 (fr) * 1975-01-03 1978-03-03 Vervaene Antoine Procede de culture, support utilise a cette fin et produit obtenu
FR2543591A1 (fr) * 1983-04-01 1984-10-05 Desjoyaux Jean Carreau prefabrique pour sol de courts de tennis et procede de pose
FR2553447A1 (fr) * 1983-10-14 1985-04-19 Baehrel Sa Procede de fabrication d'un terrain de sport tel qu'un court de tennis et terrain de sport obtenu par la mise en oeuvre du procede
CH670572A5 (en) * 1986-04-14 1989-06-30 Walter Bischoff Panels of turf or humus supported by porous tray opt. of plastic - to facilitate repair and reinforcement of locally worn zones of playing fields such as football pitches

Also Published As

Publication number Publication date
FR2841576B1 (fr) 2005-01-14
FR2841576A1 (fr) 2004-01-02

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