EP1146176B1 - Structure-réservoir - Google Patents
Structure-réservoir Download PDFInfo
- Publication number
- EP1146176B1 EP1146176B1 EP01400905A EP01400905A EP1146176B1 EP 1146176 B1 EP1146176 B1 EP 1146176B1 EP 01400905 A EP01400905 A EP 01400905A EP 01400905 A EP01400905 A EP 01400905A EP 1146176 B1 EP1146176 B1 EP 1146176B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reservoir structure
- concrete
- elements
- reservoir
- hollow
- 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
Links
- 239000004746 geotextile Substances 0.000 claims abstract description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 239000002344 surface layer Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000008595 infiltration Effects 0.000 description 8
- 238000001764 infiltration Methods 0.000 description 8
- 230000014759 maintenance of location Effects 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 239000012815 thermoplastic material Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
Definitions
- the present invention relates to the field of town planning and rainwater sanitation and it concerns more particularly a reservoir structure intended in particular for the realization of tank roads in Urban.
- a water reservoir constituted by a set of parallelepipedic blocks made of plastic (for example polypropylene or any equivalent thermoplastic material) forming a honeycomb honeycomb structure and which can be arranged under green spaces or areas subject to low permanent loads (eg playgrounds or sports complexes) or under urban roads subject to very low traffic.
- plastic for example polypropylene or any equivalent thermoplastic material
- this structure proves poorly suited for use under heavy traffic traffic under heavy load and for which the use of a such structure could only be done under a foundation layer important.
- manufacturing and implementation costs relatively high.
- a tank structure for storage and the containment of rain runoff comprising a set hollow concrete elements arranged in bulk, randomly, so as to have a vacuum index greater than 50%.
- these hollow concrete elements are elements each having a volume not exceeding 1 dm 3 . They may have a prismatic or cylindrical shape, and a compressive strength of between 30 and 65 MPa.
- the concrete forming these hollow elements is cement-based, with or without fibers (for example polypropylene), or resin-based.
- said set of elements hollow concrete is covered by an equalizing layer formed of a coarse gravel size of aggregates between 20 and 50 mm.
- This equalization layer and the set of hollow concrete elements are surrounded by a geotextile to protect them from intrusions of fine elements.
- the present invention also relates to an urban roadway or any other buried or open structure including such a reservoir structure, whether they are parking lots, infiltration wells, or storage ditches.
- Figure 1 schematically illustrates a reservoir structure according to the invention implemented at an urban roadway.
- This roadway 20 comprises, from its upper surface until lower level of the soil, a layer 22 of porous coating, such as a draining asphalt or a set of permeable concrete pavers constituting the raceway for vehicles, a superficial layer of shape 23 (also called laying bed) a few centimeters thick (typically 3 to 5 cm) consisting for example of a layer of sand or gravel of very small dimensions, an equalization layer 24 formed grossly coarse (that is to say, expurgated from its finest constituents) about a few centimeters thick and having a dimension of aggregates between 20 and 50 mm, and a storage area (layer of retention 26) constituting the reservoir structure itself and comprising a particular type of honeycomb products formed of concrete elements.
- a geotextile 28 surrounds the porous material 26 and the leveling layer 24 to prevent any intrusions of fine elements from the soil 30, the form or side embankments and reinforce the cohesion of the whole.
- FIG. 1 A second example of realization of an urban pavement with of a reservoir structure according to the invention is illustrated in FIG.
- This roadway 40 comprises, as before, a layer 42 coating material constituting the rolling track for vehicles, a equalization layer 44 and a retention layer 46 forming the reservoir structure.
- the coating layer 42 is an impermeable layer formed of a compact coating. Since then, rain runoff can no longer flow to the ground 30 through of the coating 42, it is provided on each side of the gutter channel and drain mouths 52 allowing infiltration of water to the retention layer 46. This infiltration will preferably be carried out in multiple injection points, possibly extended by a network of drains ensuring the distribution of water in the structure.
- the ground 30 as well as the lateral embankments 50 are covered with an impermeable geomembrane 54 constituting a reservoir waterproof that prevents any natural infiltration into the soil, the evacuation of the water is then effected by means of drainage drains 56 placed on the floor at the bottom of the structure (at the bottom of the tank), and for example either side of the retention layer 46.
- drainage drains 56 placed on the floor at the bottom of the structure (at the bottom of the tank), and for example either side of the retention layer 46.
- These drains can be connected downstream to a collection view (not shown) equipped with a debit regulator.
- Unrepresented purification devices (basket, settling mouth, siphoid device, laminar decanter) will be obviously also provided for the right of the mouths drains to limit the entries of all pollutions in the structure.
- the retention layer 26, 46 forming the reservoir structure itself is constituted, at a thickness of at least 20 cm (the thickness will depend on the volume of water to be stored), multiple concrete elements, identical or not, randomly distributed so as to form a compact assembly with a high porosity greater than 50%, typically from 50% to 60%, ie a retention of 500 to 600 liters of water per m 3 , much higher than that obtained with a simple Ordinary coarse gravel layer for which this so-called vacuum void porosity is close to 35%.
- Each element is in the form of a small prismatic or cylindrical hollow element of concrete based on cement or resin having a mean compressive strength of between 30 and 65 MPa.
- the constituent concrete may be cavernous or not and provided or not with fibers (for example polypropylene).
- this element has a volume ⁇ 1dm 3 with dimensions of between 40 and 100 mm, for its height and external dimension, and between 20 and 60 mm for its internal dimension.
- FIG. 3 shows a first example of a concrete element 60 having a hollow structure with a circular section (cylindrical structure)
- FIG. 4 shows a second example of a concrete element 62 having a hollow structure with a polygonal section, in particular hexagonal section (structure right prismatic).
- the operation of the reservoir structure is as follows. During violent rainfall, the rainwater will be drained towards the reservoir structure 26, 46 through the coating 22 or by means of the gutters or gullies 52. These waters will gradually fill this structure by filling the existing void (chasing the air that was there) between the multiple elements of concrete and in these elements themselves, thus storing the accumulated water. When the rain stops and the runoff has ceased, the structure will gradually empty up to complete emptying. The leakage flow will be conditioned either by the capacity infiltration of the natural soil 30 either by a downstream regulating device (no represent).
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Sewage (AREA)
- Table Devices Or Equipment (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Description
- la figure 1 montre en coupe transversale un premier exemple de réalisation d'une chaussée munie d'une structure-réservoir selon l'invention,
- la figure 2 montre en coupe transversale un second exemple de réalisation d'une chaussée munie d'une structure-réservoir selon l'invention,
- les figures 3 et 4 montrent deux exemples des multiples éléments constituant la structure-réservoir des figures 1 et 2, et
- la figure 5 représente une chaussée munie d'une structure-réservoir à couche de grave grossière de type connu.
Claims (8)
- Structure-réservoir destinée au stockage et à la retenue des écoulements pluviaux, caractérisée en ce qu'elle comprend un ensemble (26, 46) d'éléments creux en béton (60, 62) disposés en vrac, de façon aléatoire, de manière à présenter une porosité, dite aussi indice de vide, supérieure à 50%.
- Structure-réservoir selon la revendication 1, caractérisée en ce que lesdits éléments creux en béton sont des éléments ayant chacun un volume n'excédant pas 1 dm3.
- Structure-réservoir selon la revendication 1, caractérisée en ce que lesdits éléments creux en béton présentent chacun une forme prismatique (62) ou cylindrique (60).
- Structure-réservoir selon la revendication 1, caractérisée en ce que lesdits éléments en béton présentent chacun une résistance à la compression comprise entre 30 et 65 MPa.
- Structure-réservoir selon la revendication 4, caractérisée en ce que le béton formant lesdits éléments creux est à base de ciment, muni ou non de fibres (par exemple en polypropylène), ou à base de résine.
- Structure-réservoir selon la revendication 1, caractérisée en ce que ledit ensemble d'éléments creux en béton est recouvert par une couche d'égalisation (24, 44) formée d'une grave grossière de dimension de granulats comprise entre 20 et 50 mm.
- Structure-réservoir selon la revendication 6, caractérisé en que ladite couche d'égalisation et ledit ensemble d'éléments creux en béton sont entourés par un géotextile (28) pour notamment les protéger des intrusions d'éléments fins.
- Ouvrage urbain, notamment une chaussée urbaine, comportant une structure-réservoir selon l'une quelconque des revendications 1 à 7.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0004611A FR2807458B1 (fr) | 2000-04-11 | 2000-04-11 | Structure-reservoir |
FR0004611 | 2000-04-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1146176A1 EP1146176A1 (fr) | 2001-10-17 |
EP1146176B1 true EP1146176B1 (fr) | 2005-06-15 |
Family
ID=8849108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01400905A Expired - Lifetime EP1146176B1 (fr) | 2000-04-11 | 2001-04-09 | Structure-réservoir |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1146176B1 (fr) |
AT (1) | ATE298019T1 (fr) |
DE (1) | DE60111446T2 (fr) |
ES (1) | ES2243417T3 (fr) |
FR (1) | FR2807458B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2396378B (en) * | 2002-12-21 | 2006-02-22 | Carnell Contractors Ltd | Drain reinforcement |
US8028713B2 (en) * | 2004-06-25 | 2011-10-04 | Totetu Mfg. Co. Ltd. | Underground water storage tank |
CN1330831C (zh) * | 2005-07-07 | 2007-08-08 | 上海交通大学 | 景观一体化间歇性湿地雨水回用的方法 |
CN105926709B (zh) * | 2016-06-27 | 2018-02-09 | 苏州金螳螂园林绿化景观有限公司 | 多功能蓄排雨水花园系统 |
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 |
US10899633B1 (en) | 2020-01-02 | 2021-01-26 | The United States Of America, As Represented By The Secretary Of The Navy | Modular porous swale filtration system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2642774A1 (fr) * | 1989-02-07 | 1990-08-10 | Const Indles Rationnelle | Revetement absorbant et stockant les eaux pluviales |
FR2682410B1 (fr) | 1991-10-11 | 1994-07-22 | Hamon Ind Thermique | Structure de reservoir de retenue d'eau. |
GB2294077B (en) * | 1994-10-14 | 1998-12-09 | Univ Coventry | Paving system for spillage and flood management |
DE19834857C2 (de) * | 1998-08-01 | 2002-07-04 | Gilbert Goehner | Straßenanordnung mit einer Sickerstrecke für Regenwasser |
-
2000
- 2000-04-11 FR FR0004611A patent/FR2807458B1/fr not_active Expired - Fee Related
-
2001
- 2001-04-09 AT AT01400905T patent/ATE298019T1/de not_active IP Right Cessation
- 2001-04-09 ES ES01400905T patent/ES2243417T3/es not_active Expired - Lifetime
- 2001-04-09 EP EP01400905A patent/EP1146176B1/fr not_active Expired - Lifetime
- 2001-04-09 DE DE60111446T patent/DE60111446T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1146176A1 (fr) | 2001-10-17 |
DE60111446D1 (de) | 2005-07-21 |
ATE298019T1 (de) | 2005-07-15 |
ES2243417T3 (es) | 2005-12-01 |
FR2807458A1 (fr) | 2001-10-12 |
DE60111446T2 (de) | 2006-05-18 |
FR2807458B1 (fr) | 2002-07-05 |
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