EP1146176A1 - Structure-réservoir - Google Patents
Structure-réservoir Download PDFInfo
- Publication number
- EP1146176A1 EP1146176A1 EP01400905A EP01400905A EP1146176A1 EP 1146176 A1 EP1146176 A1 EP 1146176A1 EP 01400905 A EP01400905 A EP 01400905A EP 01400905 A EP01400905 A EP 01400905A EP 1146176 A1 EP1146176 A1 EP 1146176A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elements
- structure according
- tank structure
- layer
- 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.)
- Granted
Links
- 239000004746 geotextile Substances 0.000 claims abstract description 5
- 230000014759 maintenance of location Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- 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
- 239000000835 fiber Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000002344 surface layer Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000008595 infiltration Effects 0.000 description 8
- 238000001764 infiltration Methods 0.000 description 8
- 239000002689 soil Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000009109 downstream regulation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000203 mixture 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
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000011800 void material Substances 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 more particularly concerns a reservoir structure intended in particular for the realization of tank pavements in Urban.
- a water retention tank constituted by a set of parallelepipedal plastic blocks (e.g. polypropylene or any other equivalent thermoplastic) a honeycomb honeycomb structure which can be arranged under green spaces or areas subject to low permanent loads (playgrounds or sports complexes for example) or even under urban roads subject to very low traffic.
- a honeycomb honeycomb structure which can be arranged under green spaces or areas subject to low permanent loads (playgrounds or sports complexes for example) or even under urban roads subject to very low traffic.
- this structure proves unsuitable for use under heavy pavements traffic subject to significant loads and for which the use of a such a structure could only be done under a foundation layer important.
- it has manufacturing and installation costs. relatively high works.
- a reservoir structure intended for storage and withholding rainwater flows and 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 can have a prismatic or cylindrical shape, and a compressive strength of between 30 and 65 MPa.
- the concrete forming these hollow elements is based on cement, with or without fibers (for example polypropylene), or based on resin.
- said set of elements hollow concrete is covered by a leveling layer formed of a rough coarse aggregate size between 20 and 50 mm.
- This leveling 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-air structure comprising such a reservoir structure, whether it's parking lots, infiltration wells, or even storage ditches.
- Figure 1 schematically illustrates a tank structure according to the invention implemented on an urban pavement.
- This roadway 20 comprises, from its upper surface to lower level of the soil, a layer 22 of porous coating, such as a draining mix or a set of permeable concrete pavers, constituting the track for vehicles, a surface layer of form 23 (also called a laying bed) a few centimeters thick (typically 3 to 5 cm) consisting for example of a layer of sand or very small gravel, an equalization layer 24 formed gravel coarse (ie removed 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 special type of honeycomb products formed from concrete elements.
- a geotextile 28 surrounds the porous material 26 and the leveling layer 24 to prevent any intrusion of fine elements of the soil 30, the layer of form or lateral embankments and reinforce the cohesion of the whole.
- FIG. 2 A second example of construction of an urban roadway provided of a tank structure according to the invention is illustrated in FIG. 2.
- This roadway 40 has, as before, a layer 42 of coating constituting the 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, rainwater flows can no longer flow to the ground 30 through of the covering 42, it is provided on each side of the channel path and gullies 52 allowing water infiltration 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 and the side embankments 50 are covered with a waterproof geomembrane 54 constituting a reservoir waterproof which prevents any natural infiltration in the ground, the evacuation of the water then being carried out by means of drainage drains 56 placed on the soil in the lower part of the structure (at the bottom of the tank), and for example on either side of the retention layer 46.
- drainage drains 56 placed on the soil in the lower part of the structure (at the bottom of the tank), and for example on either side of the retention layer 46.
- These drains can be connected downstream to a collection manhole (not shown) equipped with a debit regulator.
- Purification devices not shown basic, settling mouth, siphoid device, laminar settling tank
- the two aforementioned examples are in no way limiting and roadways or any other urban works (parking lots, sports grounds, school and university grounds, etc., including surface structures such as infiltration wells or ditches storage), integrating the tank structure of the invention and combining the water supply and drainage solutions adopted in these two achievements are also possible.
- the choice of these different solutions will depend in particular on the nature of the soil, i.e. on its natural permeability and its bearing capacity in the presence of water. The risks of pollution of groundwater must also be taken into account during this choice.
- complementary devices such as venting and non-return valves, will, in some cases and as it is known, to be set up at the level of the roadway.
- the retention layer 26, 46 forming the actual reservoir structure consists, over 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, distributed randomly so as to form a compact unit with a high porosity greater than 50%, typically from 50% to 60%, i.e. a retention of 500 to 600 liters of water per m 3 , much greater than that obtained with a simple ordinary coarse grave layer for which this porosity, also called vacuum index, is close to 35%.
- Each element is in the form of a small prismatic or cylindrical hollow element in concrete based on cement or resin having an average resistance to compression between 30 and 65 MPa.
- the constituent concrete may or may not be cavernous and may or may not be provided with fibers (for example polypropylene).
- this element has a volume ⁇ 1 dm 3 with dimensions between 40 and 100 mm, for its height and its external dimension, and between 20 and 60 mm for its internal dimension.
- FIG. 3 shows a first example of concrete element 60 having a hollow structure with circular section (cylindrical structure)
- FIG. 4 shows a second example of concrete element 62 having a hollow structure with polygonal section, in particular hexagonal (structure prismatic right).
- the operation of the reservoir structure is as follows. During heavy precipitation, rainwater will be drained to the tank structure 26, 46 through the coating 22 or by means of gutters or gullies 52. These waters will gradually fill this structure by filling the existing void (expelling the air that was there) between the multiple elements of concrete and within these elements themselves, thus storing the accumulated water. When the rain stops and the runoff has stopped, the structure will gradually empty up complete emptying. The leakage rate will be conditioned either by the capacity infiltration of natural soil 30 either by a downstream regulation device (not represented).
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)
Abstract
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 true EP1146176A1 (fr) | 2001-10-17 |
| EP1146176B1 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) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2396378A (en) * | 2002-12-21 | 2004-06-23 | Carnell Contractors Ltd | Drainage system |
| RU2244786C1 (ru) * | 2003-12-24 | 2005-01-20 | Степкин Андрей Андреевич | Способ утилизации очищенных сточных вод и устройство для его осуществления |
| 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 |
| US8028713B2 (en) * | 2004-06-25 | 2011-10-04 | Totetu Mfg. Co. Ltd. | Underground water storage tank |
| 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 |
| US12297126B1 (en) | 2020-01-02 | 2025-05-13 | The United States Of America, As Represented By The Secretary Of The Navy | Modular porous swale |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (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 |
| FR2682410A1 (fr) * | 1991-10-11 | 1993-04-16 | Hamon Ind Thermique | Structure de reservoir de retenue d'eau. |
| GB2294077A (en) * | 1994-10-14 | 1996-04-17 | Univ Coventry | Paving system for spillage and flood management |
| DE19834857A1 (de) * | 1998-08-01 | 2000-02-17 | 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 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
- 2001-04-09 AT AT01400905T patent/ATE298019T1/de not_active IP Right Cessation
Patent Citations (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 |
| FR2682410A1 (fr) * | 1991-10-11 | 1993-04-16 | Hamon Ind Thermique | Structure de reservoir de retenue d'eau. |
| GB2294077A (en) * | 1994-10-14 | 1996-04-17 | Univ Coventry | Paving system for spillage and flood management |
| DE19834857A1 (de) * | 1998-08-01 | 2000-02-17 | Gilbert Goehner | Straßenanordnung mit einer Sickerstrecke für Regenwasser |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2396378A (en) * | 2002-12-21 | 2004-06-23 | Carnell Contractors Ltd | Drainage system |
| GB2396378B (en) * | 2002-12-21 | 2006-02-22 | Carnell Contractors Ltd | Drain reinforcement |
| RU2244786C1 (ru) * | 2003-12-24 | 2005-01-20 | Степкин Андрей Андреевич | Способ утилизации очищенных сточных вод и устройство для его осуществления |
| 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 |
| 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 |
| US11332383B1 (en) | 2020-01-02 | 2022-05-17 | The United States Of America, As Represented By The Secretary Of The Navy | Modular porous swale |
| US12297126B1 (en) | 2020-01-02 | 2025-05-13 | The United States Of America, As Represented By The Secretary Of The Navy | Modular porous swale |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2807458B1 (fr) | 2002-07-05 |
| ATE298019T1 (de) | 2005-07-15 |
| FR2807458A1 (fr) | 2001-10-12 |
| ES2243417T3 (es) | 2005-12-01 |
| DE60111446D1 (de) | 2005-07-21 |
| DE60111446T2 (de) | 2006-05-18 |
| EP1146176B1 (fr) | 2005-06-15 |
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