EP0286662B1 - Filterbecken mit hohlraumstruktur zum zurückhalten und regulieren von oberflächenwasser - Google Patents

Filterbecken mit hohlraumstruktur zum zurückhalten und regulieren von oberflächenwasser Download PDF

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Publication number
EP0286662B1
EP0286662B1 EP87906666A EP87906666A EP0286662B1 EP 0286662 B1 EP0286662 B1 EP 0286662B1 EP 87906666 A EP87906666 A EP 87906666A EP 87906666 A EP87906666 A EP 87906666A EP 0286662 B1 EP0286662 B1 EP 0286662B1
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EP
European Patent Office
Prior art keywords
tank according
layer
tank
covered
water
Prior art date
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Expired - Lifetime
Application number
EP87906666A
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English (en)
French (fr)
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EP0286662A1 (de
Inventor
Jacques Bournazel
Hervé DEFOS du RAU
Alain Garcia
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.)
BUREAU TECHNIQUE DU BATIMENT D'AMENAGEMENTS ET DE
INDUPLAST (S.A.)
SOCIETE D'ECONOMIE MIXTE IMMOBILIERE DE BRUGES S.
Original Assignee
Bureau Technique Du Batiment D'amenagements Et De Constructions Btbac
D'economie Mixte Immobiliere De Bruges Semib Ste
Induplast (sa)
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Application filed by Bureau Technique Du Batiment D'amenagements Et De Constructions Btbac, D'economie Mixte Immobiliere De Bruges Semib Ste, Induplast (sa) filed Critical Bureau Technique Du Batiment D'amenagements Et De Constructions Btbac
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system

Definitions

  • the present invention relates to the field of natural water drainage. It relates more particularly to a retention and regulation buffer tank which can be connected to a drainage network.
  • networks are created to collect rainwater, and drainage networks leading to rivers. Collection areas being particularly important in urban areas, and cities being often built along a river, the evacuation network is generally built in the underground of cities, and the increase of their capacity of flow in view of the collection networks of recent peri-urban areas is excessively expensive.
  • These collection, collection and evacuation networks are constructed so as to allow the evacuation of water from the maximum precipitation known as "decennial rain", corresponding to approximately 60 mm of water, once in twenty four hours.
  • a first type of buffer basin is produced in the form of an open basin. This type of pool is unsuitable for use in urban areas, where building land is scarce and in demand. In addition, this type of pool causes unacceptable aesthetic pollution.
  • the buried buffer tank according to the invention overcomes these drawbacks. It indeed has a honeycomb structure, consisting of juxtaposed vertical cells resting on a draining structure allowing the horizontal circulation of water and has in its lower part an evacuation orifice.
  • the honeycomb structures are advantageously manufactured by extrusion from a thermoplastic material, using the devices and methods described in French patent applications 8023188 and 85 09 554 of the applicant.
  • the basin comprises a first layer constituted by a draining structure allowing the horizontal circulation of the water in the bottom and its evacuation in the evacuation network by an orifice or device with controlled flow.
  • the draining structure can be made of a porous material, in particular gravel with a large particle size.
  • the honeycomb structure rests on this layer of porous materials.
  • the height of this alveolar layer is substantially equal to the height of decennial precipitation, multiplied by the ratio between the surface of water collection and the surface of the basin.
  • the honeycomb structure is advantageously covered on its upper surface or on its two horizontal surfaces with a filtering material avoiding obstruction of the cells.
  • This filtering material can be chosen of the nonwoven polyester or polypropylene fiber sheet type, and can be fixed to the cellular structure by thermofusion.
  • the honeycomb layer is covered with a concrete coating or a bituminous coating to support loads. This coating can be replaced or covered by a layer of soil allowing the planting of a lawn or a flower bed in order to completely hide the basin.
  • the basin is connected to the water collection network by means of a known type of sand separator, opening into the lower layer made of porous material.
  • the porous structure may, according to a variant, be replaced by studs maintaining a spacing between the lower surface of the honeycomb structure and the bottom of the basin.
  • the size and distribution of the studs are chosen so that one percent of the bottom surface of the honeycomb structure rests on these studs.
  • the walls of the basin will be waterproofed using plastic films, bituminous sheets or bitumen coatings, or even masonry.
  • the basin according to the invention is buried at the edge of the carriageway and covered with a layer of soil sown with grass.
  • the slope of the roadway collects water in the event of rain. These waters flow along the slope of the roadway towards the curbs and reach the buried basin by infiltration through the lawn. They feed the honeycomb structure through its upper surface.
  • the basin is advantageously completed by a gutter circulating between the roadway and the grassed edge. Said channel collects the water flowing on the roadway, and feeds the drainage layer of the basin through communication orifices.
  • the layer of grassy soil is replaced by porous pavers or non-porous pavers associated with a gutter.
  • the basin is covered with a non-porous coating and it is fed at the level of the drainage layer by means of a gutter communicating through orifices.
  • a traffic pavement is produced by covering the basin according to the invention with a permeable coating.
  • the walls are covered with a sealing film.
  • the horizontal hold can be improved by the insertion of a mesh or mesh of plastic or stainless metal between the honeycomb layer and the covering.
  • the gutter communicating with the drainage layer of the basin under road surface has a double function of collecting water and evacuating the water stored towards the evacuation network.
  • the evacuation of the water is carried out by a pierced pipe of the "AQUADRAIN" type deposited in the drainage layer parallel to the axis of the roadway.
  • certain cells are filled with a hydrophilic material.
  • the pools according to this embodiment are particularly useful for maintaining the humidity of lawns and in particular sports stadiums under which the buffer pool is buried.
  • the buffer tank according to this embodiment communicates with the drainage network by means of a valve making it possible in dry periods to maintain the storage of water in the alveolar layer and the drainage layer, and to serve to maintain the humidity of the lawn by feeding by capillarity through the alveoli filled with hydrophilic material, and diffusion at the interface of the alveolar layer and the grassy ground thanks to the sheet of nonwoven fibers.
  • the honeycomb layer consists of an assembly of plates which can fit together to form large basins.
  • the buffer tank (1) represented in FIG. 1, comprises a drainage layer (draining structure) (2) and a cellular layer (3) consisting of a juxtaposition of vertical cells (4), preferably made of polypropylene by extrusion of thermoplastic material. These cells have a hexagonal profile with a diameter between 6 and 20 mm. The thickness of this alveolar layer is equal to the height of the decennial rains multiplied by the ratio:
  • the basin has in its lower part an evacuation orifice (5) communicating the drainage layer (2) and the evacuation network (6).
  • This orifice may consist of a calibrated orifice or of a valve.
  • the drainage layer (2) consists of a layer of gravel (7), preferably between 15 and 50 cm thick, or a series of studs (8).
  • the honeycomb layer (3) is advantageously covered, on its horizontal surfaces, a sheet of non-woven polyester or polypropylene fibers (9), (10).
  • the sheets (9), (10) can be fixed, during the manufacture of the cellular structure, by thermofusion at a temperature of approximately 250 ° C. This layer (10) prevents clogging of the cells (4) and retains particles with a diameter greater than 50 microns.
  • the honeycomb layer is covered with a coating layer (11) which may consist of earth, concrete, bitumen or any other known coating.
  • a non-oxidizable plastic or metallic mesh (15) can be inserted between the covering and the honeycomb layer, improving the horizontal holding of the buffer tank ( 1) and in particular of the alveolar layer (3).
  • a sealing film (16) consisting of an impermeable plastic or bituminous sheet or a coating of bitumen.
  • This film can be removed when the pool is made in soil that is not very deformable and draining, for example, clean sand or gravel.
  • the basin is supplied with water collected by an orifice (17) formed at the level of the drainage layer (2).
  • the basin comprises a first honeycomb layer (3) and a second honeycomb layer (18) separated by a separation layer (19) consisting of studs (20).
  • the supply of collected water is, according to this variant, carried out at the level of the separation layer (19).
  • the supply of collected water can be done by means of a settling and degreasing device (21) of known type.
  • the basin is buried under a curb (22) covered with a coating layer (11) formed of grassy earth.
  • a perforated pipe (24) with a diameter of between 10 and 50 cm is placed in the drainage layer (2) and is used to collect the water and discharge it into the drainage network into which it opens out through the 'through an orifice allowing flow control.
  • the diameter of the cells is preferably chosen between 5 and 12 mm.
  • the diameter of the perforated pipe (24) is calculated so as to limit the flow rate to a value lower than the maximum flow rate admissible by the evacuation network.
  • the basin is buried under the roadway or more generally under a surface for collecting rainwater. If no other collection surface feeds the buffer basin, the thickness of the alveolar layer is substantially equal to the height of the decennial rains, or about 60 mm in most French regions.
  • the drainage layer consists of clean sand or gravel with a thickness of 20 to 40 cm. This layer is used both for water drainage and for absorbing local deformations.
  • the edges (12) and the bottom (14) of the basin are covered with a sealing film (16) avoiding the degradation of the soil, in particular during frost.
  • a gutter (25) is produced along the roadway used both for collecting water from neighboring collection surfaces, and for discharging the water stored in the regulation network.
  • Said channel (25) communicates with the drainage layer (2) of the basin through orifices (25) regularly spaced about one meter apart.
  • the depth of said channel is substantially equal to the thickness of the basin and of the covering, ie substantially equal to 50 cm. It is advantageously covered with a grid (27).
  • a buffer pool is produced under a lawn serving in particular as a sports ground. It comprises a honeycomb layer (3) having a thickness substantially equal to the height of the decennial precipitation and a drainage layer (2) preferably produced in the form of a layer of gravel with a thickness of 15 to 30 cm.
  • the honeycomb layer (3) consists of a juxtaposition of vertical cells, some of which are filled with a hydrophilic material (28) forming a wick allowing the water stored in a part of the basin to feed the upper surface (9 ) of the honeycomb layer covered with a nonwoven web.
  • the drainage layer communicates with the drainage network (6) to prevent stagnation of water in the event of heavy precipitation.
  • the communication orifice (5) consists of a valve making it possible, on the contrary, during periods of drought to store the water collected in order to maintain the humidity of the lawn.
  • the drainage layer (2) also communicates with water inlets (29) distributed along the lawn to maintain a sufficient level of stored water even in the absence of precipitation.
  • An electrical probe (30) can be placed in one or more cells distributed over the surface of the ground and detecting the height of stored water. In the event of insufficient level, this probe can trigger an alarm or control the valves (23) and (5).
  • the honeycomb layer (1) consists of panels (31) which can fit into each other easily by vertical sliding of a panel to be laid along the complementary edge (34) of a panel already installed.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Road Paving Structures (AREA)
  • Sewage (AREA)

Claims (13)

1. Ein unterirdisches Wasserbecken (1) für Sammeln und Regelung von Erdwasser, dessen oberer Bereich eine Last tragen kann, und dass mit einem Wasserableitungsnetz (6) verbunden sein kann, dadurch gekennzeichnet, daß das genannte Becken (1) wenigstens eine Zellenschicht (3) hat, die aus sich nebeneinander befindenden Vertikalzellen besteht, und auf eine Entwässerungsstruktur (7) ruht, welche eine horizontale Wasserlauf gestattet, und daß es in seinem unteren Bereich eine Abfuhröffnung (5) aufweist.
2. Ein Wasserbecken nach dem Anspruch 1, dadurch gekennzeichnet, daß die genannte Entwässerungsstruktur (2) aus auf dem Beckenboden (14) ruhenden Blöcken (8) besteht.
3. Ein Wasserbecken nach dem Anspruch 1, dadurch gekennzeichnet, daß die genannte Entwässerungstruktur (2) aus einer Schicht von Lokkermaterial besteht.
4. Ein Wasserbecken nach dem Anspruch 3, dadurch gekennzeichnet, daß die genannte Entwässerungsstruktur (2) aus einer Schicht von grobem Kies (7) besteht.
5. Ein Wasserbecken nach irgendeinem Anspruch 1 bis 4, dadurch gekennzeichnet, daß die Oberseite der Zellenschicht mit einem Filtriermaterial (3) bedeckt ist.
6. Ein Wasserbecken nach irgendeinem Anspruch 1 bis 5, dadurch gekennzeichnet, daß die Unterseite der Zellenschicht mit einem Filtriermaterial (10) bedeckt ist.
7. Ein Wasserbecken nach irgendeinem Anpruch 5 und 6, dadurch gekennzeichnet, daß das genannte Filtriermaterial (9), (10) aus Faservlies besteht.
8. Ein Wasserbecken nach irgendeinem Anspruch 1 bis 7, dadurch gekennzeichnet, daß wenigstens einige Vertikalzellen mit einem wasseraufsaugendem Material (28) gefullt sind.
9. Ein Wasserbecken nach irgendeinem Anspruch 1 bis 8, dadurch gekennzeichnet, daß die genannten Zellenstrukturen aus Tafeln (31) bestehen, die horizontal nebeneinander gestellt, und durch vertikales Schieben von jeweils zwei Tafeln längs ihren komplementären Vertikelränder (34) ineinanderverbunden werden können.
10. Ein Wasserbecken nach irgendeinem Anspruch 1 bis 9, dadurch gekennzeichnet, daß wenigstens ein Teil der Wänden (12), (14) mit einer dünnen wasserdichten Folie (16) gedeckt ist.
11. Ein Wasserbecken nach irgendeinem Anspruch 8 bis 10, dadurch gekennzeichnet, daß es wenigstens eine mit dem Fließwasserzufuhrnetz verbundene Leitung aufweist.
12. Ein Wasserbecken nach irgendeinem Anspruch 1 bis 11, dadurch gekennzeichnet, daß es zwei übereinandergestelltene Zellenschichten (3), (9) besitzt, die von den Blöcken (20) getrennt sind.
13. Ein Wasserbecken nach irgendeinem Anspruch 1 bis 12, dadurch gekennzeichnet, daß die genannten Zellenstruckturen (3) durch Extrudierverfahren aus einem Thermoplast gefertigt sind.
EP87906666A 1986-10-03 1987-10-01 Filterbecken mit hohlraumstruktur zum zurückhalten und regulieren von oberflächenwasser Expired - Lifetime EP0286662B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8613818 1986-10-03
FR8613818A FR2604737B1 (fr) 1986-10-03 1986-10-03 Bassin tampon de retention et de regulation des eaux naturelles a structure alveolaire

Publications (2)

Publication Number Publication Date
EP0286662A1 EP0286662A1 (de) 1988-10-19
EP0286662B1 true EP0286662B1 (de) 1990-12-05

Family

ID=9339529

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87906666A Expired - Lifetime EP0286662B1 (de) 1986-10-03 1987-10-01 Filterbecken mit hohlraumstruktur zum zurückhalten und regulieren von oberflächenwasser

Country Status (4)

Country Link
EP (1) EP0286662B1 (de)
AU (1) AU8070187A (de)
FR (1) FR2604737B1 (de)
WO (1) WO1988002422A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1666668A2 (de) 2001-05-16 2006-06-07 Fränkische Rohrwerke Gebr. Kirchner GmbH + Co KG Rigoleneinheit
DE102008000775A1 (de) * 2008-03-19 2009-09-24 Dr. Pecher Ag System zur Reinigung von Oberflächenwasser

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9100565U1 (de) * 1991-01-18 1991-04-11 Willems, Gilbert, 4300 Essen, De
FR2682410B1 (fr) * 1991-10-11 1994-07-22 Hamon Ind Thermique Structure de reservoir de retenue d'eau.
FR2713254B1 (fr) * 1993-12-03 1996-03-01 Sabla Sa Ouvrage hydraulique pour la collecte et le transfert des eaux d'une plate-forme.
FR2740485B1 (fr) 1995-10-25 1997-12-05 Induplast Sa Bassin tampon enterre de stockage et de traitement des eaux pluviales
NL1004876C2 (nl) * 1996-12-23 1998-06-24 Ballast Nedam Grond & Wegen B Werkwijze voor het maken van een reservoir, en reservoirsysteem.
ATE252185T1 (de) * 1997-12-19 2003-11-15 Elwa Wassertechnik Gmbh Vorrichtung zum auffangen von regenwasser
NL1015753C2 (nl) * 2000-07-20 2002-01-22 Ballast Nedam Infra B V Systeem voor het bruikbaar maken van een voorheen waterverzadigbaar grondoppervlak.
FR2929630B1 (fr) 2008-04-02 2011-11-25 Aliaxis Participations Bac de retention d'eau permettant de constituer par assemblage de bacs un dispositif de retention d'eau enfoui dans le sol
EP2607552A1 (de) 2011-12-22 2013-06-26 Econcore N.v. Wasserdrainage- und Wasserrückhaltekörper, insbesondere mit Wabenstruktur
FR3078084B1 (fr) * 2018-02-19 2022-10-14 Guy Monteux Systeme de bassin de retention d'eau de pluie enterre, constitue de petites pieces creuses en matiere plastique disposees en vrac

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300855A1 (fr) * 1975-02-13 1976-09-10 Ernst Wilhelm Bassin a deversoir d'orage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1596343A (de) * 1968-12-23 1970-06-15
DE2724453A1 (de) * 1977-05-31 1978-12-14 Twistringer Rbm Draenfilter Draenagesystem
DE2727956A1 (de) * 1977-06-22 1979-01-18 Nikolaus Blank Schichtenaufbau fuer unterirdisch be- und entwaesserbare sport- und spielplaetze sowie vegetationsflaechen aller art
CH634371A5 (en) * 1979-02-23 1983-01-31 Nill Walter Schlosserei Apparatus with downflow baffle for stormwater tanks or clarification tanks
FR2462518A1 (fr) * 1979-08-03 1981-02-13 Cofrad Materiau de drainage et procede de fabrication
EP0082883A1 (de) * 1981-12-24 1983-07-06 Werner Paarmann Anordnung und Ausbildung eines Wasserspeichers als Pumpensaugraum, Regen- oder Schmutzwasserspeicher, mit tiefer, als der Speicher, liegender Saug- oder Ablaufleitung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300855A1 (fr) * 1975-02-13 1976-09-10 Ernst Wilhelm Bassin a deversoir d'orage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1666668A2 (de) 2001-05-16 2006-06-07 Fränkische Rohrwerke Gebr. Kirchner GmbH + Co KG Rigoleneinheit
DE102008000775A1 (de) * 2008-03-19 2009-09-24 Dr. Pecher Ag System zur Reinigung von Oberflächenwasser
DE102008000775B4 (de) * 2008-03-19 2011-06-30 Dr. Pecher AG, 40699 System zur Reinigung von Oberflächenwasser

Also Published As

Publication number Publication date
WO1988002422A1 (fr) 1988-04-07
EP0286662A1 (de) 1988-10-19
FR2604737A1 (fr) 1988-04-08
AU8070187A (en) 1988-04-21
FR2604737B1 (fr) 1988-11-25

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