EP2489784B1 - Vorrichtung zur stabilisierung eines porösen bodens - Google Patents

Vorrichtung zur stabilisierung eines porösen bodens Download PDF

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Publication number
EP2489784B1
EP2489784B1 EP12156396.9A EP12156396A EP2489784B1 EP 2489784 B1 EP2489784 B1 EP 2489784B1 EP 12156396 A EP12156396 A EP 12156396A EP 2489784 B1 EP2489784 B1 EP 2489784B1
Authority
EP
European Patent Office
Prior art keywords
soil
tank
water
siphon
perforations
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.)
Not-in-force
Application number
EP12156396.9A
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English (en)
French (fr)
Other versions
EP2489784A1 (de
Inventor
Philippe Goethals
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.)
Pigeon TP Loire Anjou
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Pigeon TP Loire Anjou
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Publication of EP2489784A1 publication Critical patent/EP2489784A1/de
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Publication of EP2489784B1 publication Critical patent/EP2489784B1/de
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Classifications

    • 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
    • E01C13/02—Foundations, e.g. with drainage or heating arrangements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains

Definitions

  • the field of the invention is that of the design and manufacture of technical soil stabilization devices, such as soils for the practice of sports activities.
  • the invention finds in particular, but not exclusively, an application in the field of stabilizing equestrian soil.
  • the rides are covered buildings whose floor is made of a soft porous material, usually sand, on which equines are made to work.
  • the quarries are open-air facilities whose floor is comparable to that of the rides.
  • equestrian sand-based grounds In order to make horses work properly, especially without risking tiring their joints, equestrian sand-based grounds must have a certain consistency, homogeneity, cohesion or stability. Soils of this type must have a hygrometry chosen in such a way that they are neither too heavy nor too light.
  • Conventional watering to compensate water losses by evaporation usually involves spraying water on the soil surface.
  • the drainage conventionally used to eliminate excess water allows to evacuate the overflow of water by absorbing it by the soil surrounding the carousel or quarry.
  • a disadvantage of this technique of the prior art is related to the fact that the maintenance of a minimum level of soil hygrometry requires the spraying of water on their surface. Maintaining the minimum level of hygrometry therefore induces water consumption which represents a significant cost item. In addition, this water consumption has a negative impact on the environment.
  • Another disadvantage is related to the fact that the drainage of quarry or carousel soils is not well controlled. Thus, its implementation leads to dehydration in too high proportions the soil during certain periods, and conversely not to dry enough the soil during other periods. There are periods during which the soil is too heavy or too light.
  • the technique according to the prior art does not effectively regulate the hygrometry of soils quarry or ride.
  • the invention particularly aims to overcome these disadvantages of the prior art.
  • the invention also aims to provide, in at least one embodiment, such a technique that is more environmentally friendly.
  • the invention has the objective of providing, in at least one embodiment, such a technique which contributes to reducing the water consumption necessary to maintain the minimum hygrometry level of the soil.
  • Another object of the invention is to propose, in at least one embodiment, such a technique that is simple and economical to implement while being effective and reliable.
  • such a device comprises the features of claim 1.
  • the invention is based on a completely new and inventive approach to regulate the hygrometry rate of a porous sol, which consists in placing it in an open sealed tank comprising a perforated bottom connected to a channel forming a siphon whose exit opens between the bottom of the tank and the upper level of the ground.
  • the technique according to the invention thus makes it possible to ensure in a simple and reliable manner effective drainage of a porous sol, the implementation of which ensures that its hygrometry rate does not exceed a predetermined maximum level.
  • the technique according to the invention is particularly effective for evacuating the overflow of water in the soil of an equestrian career during periods of heavy precipitation.
  • the siphon pipe is a pipe that eliminates too much water in the soil, that is, excess water. It is therefore an excess water line.
  • the siphon pipe includes an inlet connected to the at least one perforation and a substantially vertically extending portion whose outlet opens above the level of said bottom and below the upper level of said ground.
  • said bottom is traversed by a plurality of perforations, each of said perforations being connected to said siphon pipe.
  • This implementation improves soil drainage.
  • said perforations are preferentially distributed uniformly over said bottom.
  • said soil comprises at least one bottom layer consisting of sand and an upper layer consisting of a mixture of sand and fibers.
  • the upper layer comprising a mixture of sand and fibers then constitutes a so-called working layer with great flexibility and the implementation of which contributes to ensuring better cohesion.
  • the lower layer of sand constitutes a so-called support layer whose implementation makes it possible to ensure effective lift of the working layer.
  • said vessel is constituted by the superposition of a geotextile, a geomembrane and a geocomposite comprising a plurality of drains.
  • the use of the geomembrane makes it possible to give the tank a excellent waterproofness. This prevents water loss and water infiltration that could rise from the surface on which the ground rests.
  • the use of the geotextile makes it possible to protect the geomembrane effectively, in particular against the risks of punching.
  • a device comprises means for storing water, said outlet of said siphon opening into said storage means.
  • Soil drainage water is thus fully stored in a reserve for reuse, unlike the techniques of the prior art in which it is absorbed by the surface on which the ground rests.
  • said storage means are connected to irrigation means of said soil.
  • the implementation of means of irrigation makes it possible to guarantee that the hygrometry rate of the soil keeps a minimum level.
  • the fact that irrigation is carried out by means of water from the drainage of the soil makes it possible to limit the need to suppress the consumption of external water and to reduce accordingly the cost inherent in the irrigation of the soil.
  • the implementation of a device according to the invention is ecological because it operates in a closed circuit.
  • said irrigation means will comprise means for spraying water on the surface of said soil.
  • This implementation ensures a homogeneous irrigation of the entire porous soil.
  • said storage means comprise an inlet intended to be connected to meteorite water recovery means.
  • a device comprises drainage means which extend along at least a part of the periphery of said tank.
  • peripheral drainage can capture surface runoff and / or groundwater from a watershed near the location of a device according to the invention. It makes it possible to protect the tank, and in particular the geomembrane, from seepage and / or water table upwelling, and to limit the underlying pressures due for example to the presence of gas or water vapor under the tank. .
  • the general principle of the invention is based on a completely new and inventive approach to regulating the hygrometry rate of a porous sol, which consists in placing it in an open sealed tank comprising a perforated bottom connected to a siphon whose outlet opens out between the bottom of the tank and the upper level of the soil.
  • the technique according to the invention thus makes it possible to ensure in a simple and reliable manner effective drainage of a porous sol, the implementation of which ensures that its hygrometry rate does not exceed a predetermined maximum level.
  • the technique according to the invention is particularly effective for evacuating the overflow of water within the soil of an equestrian career during periods of heavy precipitation.
  • Drainage water can be used in a closed circuit to irrigate the soil so as to maintain its hygrometry above a minimum level.
  • a soil stabilization device 10 comprises a sealed tank 11.
  • the sealed tank 11 comprises a bottom 110 and four sides 111. It defines a housing 112 intended to receive a porous soil 12.
  • the porous floor 12 consists of a lower layer 121 called the support layer, and an upper layer 122 called the working layer.
  • the support layer 121 has a minimum thickness of ten centimeters. It is here made of sand. This sand is micro sand with a 0/1 caliber.
  • the working layer 122 has a thickness of six to seven centimeters. It consists here of a mixture of sand and fibers at a rate of 700 grams of fiber per square meter of soil. These fibers are of AB TEX type.
  • the bottom 110 of the tank 11 is traversed by a plurality of perforations 113.
  • these perforations 113 are in this embodiment uniformly distributed along the two longest sides of the tank 11.
  • other perforations 113 ' may also be provided along the median axis of the tank 11 parallel to the longer sides and connected to a pipe 14 '.
  • These perforations 113 'and channeling 14 ' are shown in dotted lines on the figure 2 .
  • the number of perforations 113 will preferably be chosen as a function of the surface of the ground 12.
  • the perforations 113 are connected by pipes 13 to sloping pipes 14 which extend under the tank 11 and open into a siphon pipe 15.
  • the siphon 15 consists of a pipe having substantially the shape of an L of which a portion 151 extends substantially vertically. It comprises an inlet 152 and an outlet 153.
  • the inlet 152 is connected to the outlet of the pipes 14.
  • the level of the outlet 153 extends between the level of the bottom 110 of the vessel 11 and the upper level S of the soil 12 .
  • the outlet 153 of the siphon 15 extends in the extension of the junction zone 123 between the lower layer 121 and the upper layer 122 of the soil 12.
  • the portion of the siphon 15 including its outlet 153 is housed in a look 16.
  • the sight 16 defines a reservoir comprising an overflow 161 which extends at a predetermined distance from its bottom 162.
  • the overflow 161 is connected by a pipe 17 to a manifold 18 which opens into a storage tank 19.
  • the collector 18 is also connected by another pipe 20 to the outlet 210 of a descent 21 connected to a gutter 22 which collects the rainwater which flows on the roof 231 of a building 23 placed near the stabilizing device 10.
  • the tank 19 houses a submerged pump 24.
  • the pump 24 is connected by a pipe 25 to irrigation means 26 of the soil 12.
  • the irrigation means 26 comprise a water spray ramp 27 on the soil surface 12.
  • This type of geocomposite 32 generally comprises the superposition of a nonwoven draining web, perforated polypropylene mini-drains 321 and a polypropylene needled filtering web.
  • the pipes 13 are not represented on the figure 3 which illustrates a variant according to which the perforations 113 are connected by lines 13 'to control lines 36, as will be explained in more detail later with reference to FIG. figure 4 .
  • the soil 12 and the tank 11 illustrated in FIG. figure 3 may be implemented in the embodiment illustrated in FIGS. figures 1 and 2 and in the one that is illustrated in the figure 4 . It is the same for the peripheral drainage illustrated on the figure 3 .
  • the tank 11 is implanted in a terrestrial surface 38 so that the upper level S of the ground 12 extends essentially in the same plane as the upper level ST of the terrestrial surface 38.
  • edges 111 of the tank 11 bear against wooden beams 28 placed at the periphery of the tank 11.
  • a trench 33 is formed at the periphery of the tank 11.
  • This trench 33 houses a draining material 34, such as for example gravel, in which is embedded a drainage pipe 35 which opens into means of drainage. filtration (not shown) then in the tank 19.
  • the drain pipe 35 will not open into the tank 19 and will spread the peripheral drainage water within the surrounding land surface 38.
  • the establishment of a stabilization device according to the invention within an equestrian career can be achieved in the following manner.
  • a platform is first earthed, regaled and compacted in the earth surface 38 so as to define a horizontal profile PH on which the bottom 110 of the vessel 11 will rest.
  • the trench 33 is then formed at the periphery of the platform PH.
  • the drainage pipe 35 is embedded in the trench 33 within the draining material 34.
  • Trenches are also provided to allow the passage of the pipes 13 and the pipes 14 and 15.
  • the pipes 13, the pipes 14, 15, the sight 16, the tank 19, the pipes and piping 17, 20, 25 are put in place.
  • the curb of the quarry is made by means of an enclosure by the wooden beams 28.
  • the geotextile 30 is deposited on the platform PH so that it overflows on the beams 28.
  • the geomembrane 31 is deposited on the geotextile 30 so that it overflows on the beams 28.
  • the bottom 110 and the sides 111 of the tank 11 are thus formed.
  • the perforations 113 are formed in the geotextile 30 and the geomembrane 31 of the bottom 110 of the tank 11. They are sealed with the inlet of the connections 13.
  • the geocomposite 32 is deposited on the geomembrane 31 so that its drains 321, of which only a part is represented on the figure 2 , extend towards the perforations 113.
  • a strip of geotextile 39 is deposited at the periphery of the quarry to cover the beams 28, the sides 111 and the periphery of the bottom 110. Planks edges 29 are then reported on the beams 28.
  • the lower layer 121 is deposited on the bottom 110.
  • the upper layer 122 is then deposited on the layer 121.
  • the siphon 15 is then filled with water up to the regulation level NR.
  • a balustrade 37 may be arranged around the tank 11.
  • the water it contains flows through the overflow 161 into the storage tank 19. It is mixed with meteorite water from the roof 231 of the building 23.
  • the tank 19 is connected to an overflow (not shown), the implementation of which avoids that it overflows.
  • water stored in the tank 19 can be sprayed by the pump 24 and irrigation means 26 to maintain the water level in the soil 12.
  • the water spray on the soil surface can be triggered manually. It can also be triggered automatically when it is detected that the NR regulation level is not reached.
  • a level sensor may in this case be implemented at the siphon 15 to control the implementation of the pump 24.
  • the upper level S of the ground 12 may not extend in the plane of the upper level ST of the earth's surface 27.
  • regulating ducts 36 may be placed horizontally, in particular along the longer sides of the tank 11 and where appropriate along the central axis of the tank parallel to the longest sides, below the level of the bottom 110 of the tank 11.
  • the control lines will lead into the siphon 15. These control lines allow to accelerate the process of regulation for a larger career area .
  • Peripheral drainage may not be implemented. It may also be implemented on only a portion of the periphery of the vessel 11.
  • Control boxes 40 may be connected to the pipes 36 or 14 for example to allow their uncoupling.
  • a ring may be slidably mounted on the outlet 153 of the siphon 15 so as to adjust the regulation level NR.
  • Other means of adjusting the NR level may be implemented.
  • a soil stabilization device can be implemented within an equestrian career. It can also be implemented in a ride or in any other installation whose porous floor needs to be stabilized.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Architecture (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Sewage (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Claims (10)

  1. Vorrichtung zum Stabilisieren (10) eines porösen Bodens (12), wobei die Vorrichtung (10) aufweist:
    - einen Teil, der einen abgedichteten Behälter (11) bildet, der dazu bestimmt ist, auf einer Fläche (PH) aufzuliegen und den Boden (12) aufzunehmen, wobei der Teil, vier Seiten (111) und einen Boden (110) aufweist, der mit mindestens einer Perforation (113) durchschlagt ist, und
    - einen Siphon bildende Überschusswasserleitung (15), die einen Einlass (152) aufweist, der mit der mindestens einen Perforation (113) verbunden ist, dadurch gekennzeichnet, dass die Leitung einen Abschnitt (151) aufweist, der sich im Wesentlichen vertikal erstreckt, dessen Auslass (153) oberhalb des Niveaus des Bodens (110) und unterhalb des oberen Niveaus (S) des Bodens (12) mündet.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Boden (110) mit mehreren Perforationen (113) durchschlagt ist, wobei jede der Perforationen (113) mit der einen Siphon bildenden Leitung (15) verbunden ist.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Perforationen (113) gleichmäßig auf dem Boden (110) verteilt sind.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Boden (12) mindestens eine untere Schicht (121), die aus Sand gebildet ist, und eine obere Schicht (122) aufweist, die aus einer Mischung aus Sand und Fasern gebildet ist.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Behälter (11) durch das Überlagern von einem Geotextil (30), einer Geomembran (31) und einem Geoverbundmaterial (32) gebildet ist, der mehrere Abflüsse (321) aufweist.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass sie Wasserspeichermittel (19) aufweist, wobei der Auslass des Siphons (15) in die Speichermittel (19) mündet.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Speichermittel (19) mit Bewässerungsmitteln (25, 26, 27) des Bodens (12) verbunden sind.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Bewässerungsmittel Wasserzerstäubungsmittel (26, 27) an der Fläche (S) des Bodens (12) aufweisen.
  9. Vorrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die Speichermittel (19) einen Einlass aufweisen, der dazu bestimmt ist, an Mittel zum Rückgewinnen von Regenwasser (231, 22, 21, 210, 20) angeschlossen zu werden.
  10. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass sie Drainagemittel (33, 34, 35) aufweist, die sich entlang mindestens eines Teils des Randes des Behälters (11) erstrecken.
EP12156396.9A 2011-02-21 2012-02-21 Vorrichtung zur stabilisierung eines porösen bodens Not-in-force EP2489784B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1151404A FR2971797B1 (fr) 2011-02-21 2011-02-21 Dispositif de stabilisation d'un sol poreux

Publications (2)

Publication Number Publication Date
EP2489784A1 EP2489784A1 (de) 2012-08-22
EP2489784B1 true EP2489784B1 (de) 2016-01-20

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EP12156396.9A Not-in-force EP2489784B1 (de) 2011-02-21 2012-02-21 Vorrichtung zur stabilisierung eines porösen bodens

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FR (1) FR2971797B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107208384A (zh) 2014-12-19 2017-09-26 腾凯特塞奥隆公司 运动场构造

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR780909A (fr) * 1934-11-07 1935-05-06 Mode d'établissement des terrains de jeux
DE29618006U1 (de) * 1996-10-17 1997-02-06 Klaus Dammann Gmbh Reitplatz
US7866918B2 (en) * 2006-09-06 2011-01-11 Werner Otto Soil stabilization and irrigation arrangement
DE202008006572U1 (de) * 2008-05-14 2008-08-21 Hoser, Ingolf Reitplatz mit Unterflur-Bewässerungssystem

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FR2971797A1 (fr) 2012-08-24
FR2971797B1 (fr) 2014-03-28
EP2489784A1 (de) 2012-08-22

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