EP0864693A2 - Soil profile for sport pitches - Google Patents
Soil profile for sport pitches Download PDFInfo
- Publication number
- EP0864693A2 EP0864693A2 EP98200756A EP98200756A EP0864693A2 EP 0864693 A2 EP0864693 A2 EP 0864693A2 EP 98200756 A EP98200756 A EP 98200756A EP 98200756 A EP98200756 A EP 98200756A EP 0864693 A2 EP0864693 A2 EP 0864693A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- ground surface
- base
- layers
- intermediate layer
- 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- Withdrawn
Links
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
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
Definitions
- the invention relates to a ground surface for a sport pitch arranged on a base, comprising a top layer and at least one intermediate layer arranged between the base and the top layer.
- the object of the present invention is to provide such a ground surface which is lighter.
- a lighter ground surface is desirable, for instance in the case of sport pitches which are placed in a movable tray.
- a lighter ground surface can also be important in other applications, for instance in the case of a base designed only for a light load.
- the intermediate layer comprises fired clay granules.
- the clay granules moreover provide a certain measure of mechanical stabilization and a reduction in the height of the whole ground surface is obtained.
- top layer can be arranged, such as gravel or plastic or combinations thereof.
- a stabilization layer is arranged between the top layer and the intermediate layer. This stabilization layer results in a further improvement of the mechanical stabilization.
- a drainage layer is arranged between the intermediate layer and the base. This results in an effective drainage, wherein the water management properties of the layer of fired clay granules shows to best effect.
- the method of claim 7 results in a simple method requiring few operations; pre-mixing of large quantities of materials is hereby avoided.
- the method of claim 8 results in an easy manner of obtaining a profile structure without great discontinuities in the granule size.
- layer soil/lava (1:1 w%) 80 mm mixed layer soil/lava/Argex 40 mm interm.
- a layer of gravel with a thickness of 50 mm is initially arranged on the base, which is formed for instance by a concrete, plastic or steel, water-impermeable tray or plate.
- This layer serves as drainage layer.
- This layer provides drainage to a drainage system not forming part of the invention in the form of for instance drainage pipes or holes in the tray.
- a layer of fired clay granules is subsequently arranged with a thickness of 40 mm. This layer serves to improve the water management in the profile.
- a mixed layer is then arranged with a thickness of 40 mm.
- This layer is preferably arranged by first arranging a layer of clay granules of 60 mm thickness, arranging hereon an intermediate layer of 20 mm and mixing this with the upper 20 mm of the underlying layer of clay granules, for instance with a tilling implement.
- the intermediate layer is formed by a mixture of soil and clay granules in equal volume parts.
- An unadulterated intermediate layer is then arranged of the mixture of soil and clay granules.
- Laid thereon is another mixed layer of the intermediate layer and a stabilization layer of lava and soil.
- This mixed layer is also made by arranging the intermediate layer in a thickness of 30 mm, subsequently arranging the stabilization layer in a thickness of 20 mm and then mixing the upper 20 mm of the intermediate layer with the stabilization layer.
- An unadulterated stabilization layer as a mixture of soil and lava in equal volume parts is subsequently arranged with a thickness of 80 mm.
- the thus resulting profile is covered with a top layer of soil with a thickness of 120 mm on which the grass is sown.
- the thickness of the layers can vary without deviating from the invention; it is thus particularly possible to reduce the thickness of the layers in order to reduce the mass and height of the profile. It is for instance possible to increase the height of the separate layers by 10, 20 or 30 mm or reduce it by 10, 20 or 30 mm.
- Additional layers can moreover be added or layers can be omitted. It is furthermore possible to alter the composition or the mixing ratio of the layers; what is essential is that the function of the most important layers is retained.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Cultivation Of Plants (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Description
top layer | soil | 120 mm |
stab. layer | soil/lava (1:1 w%) | 80 mm |
mixed layer | soil/lava/Argex | 40 mm |
interm. layer | soil/Argex (1:1 vol%) | 10 mm |
mixed layer | soil/Argex/Argex | 40 mm |
Argex layer | Argex | 40 mm |
drainage layer | gravel | 50 mm |
Claims (8)
- Ground surface for a sports pitch for arranging on a base, comprising a top layer and at least one intermediate layer arranged between the base and the top layer, characterized in that the intermediate layer comprises fired clay granules.
- Ground surface for a sports pitch as claimed in claim 1, characterized in that a stabilization layer is arranged between the top layer and the intermediate layer.
- Ground surface for a sports pitch as claimed in claim 1 or 2, characterized in that a drainage layer is arranged between the intermediate layer and the base.
- Ground surface as claimed in claim 1, 2 or 3, characterized in that a layer formed substantially by fired clay granules is arranged between the intermediate layer and the drainage layer.
- Ground surface as claimed in any of the foregoing claims, characterized in that at least some of the layers are mutually separated by a dividing layer which is formed by a mixture of the layers between which the dividing layer forms the separation.
- Ground surface as claimed in any of the foregoing claims, characterized in that the difference between the average granule size of the constituents of mutually adjacent layers is smaller than the difference between the average granule size of layers separated by a dividing layer.
- Method for arranging a ground surface on a base, comprising of successively arranging the layers, characterized in that after arranging a layer a part of a following layer is arranged and the arranged part is subsequently mixed with a part of the already arranged layer.
- Method as claimed in claim 7, characterized in that the thickness of the arranged part of the following layer is the same as that of the part of the previous layer which is mixed therewith.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1005481 | 1997-03-10 | ||
NL1005481 | 1997-03-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0864693A2 true EP0864693A2 (en) | 1998-09-16 |
EP0864693A3 EP0864693A3 (en) | 1999-05-06 |
Family
ID=19764563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98200756A Withdrawn EP0864693A3 (en) | 1997-03-10 | 1998-03-10 | Soil profile for sport pitches |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0864693A3 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2837984A (en) * | 1956-01-09 | 1958-06-10 | Donald D Klotz | Limestone type tennis court |
GB2001512A (en) * | 1977-06-22 | 1979-02-07 | Blank N | Layer composition for underground-irrigated and drained sports and athletics grounds |
US4448566A (en) * | 1982-11-12 | 1984-05-15 | Mobil Oil Corporation | Method of making a load bearing surface using phosphogypsum and flyash |
US4492728A (en) * | 1982-02-19 | 1985-01-08 | Pierre Zurkinden | Sports ground covering with expanded clay particles |
EP0165895A1 (en) * | 1984-05-21 | 1985-12-27 | Albert Fatio | Surfacing for sports grounds |
-
1998
- 1998-03-10 EP EP98200756A patent/EP0864693A3/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2837984A (en) * | 1956-01-09 | 1958-06-10 | Donald D Klotz | Limestone type tennis court |
GB2001512A (en) * | 1977-06-22 | 1979-02-07 | Blank N | Layer composition for underground-irrigated and drained sports and athletics grounds |
US4492728A (en) * | 1982-02-19 | 1985-01-08 | Pierre Zurkinden | Sports ground covering with expanded clay particles |
US4448566A (en) * | 1982-11-12 | 1984-05-15 | Mobil Oil Corporation | Method of making a load bearing surface using phosphogypsum and flyash |
EP0165895A1 (en) * | 1984-05-21 | 1985-12-27 | Albert Fatio | Surfacing for sports grounds |
Also Published As
Publication number | Publication date |
---|---|
EP0864693A3 (en) | 1999-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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AX | Request for extension of the european patent |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: CEELEN, WOUTERUS ANTONIUS MARIA Inventor name: DE HEER, ROBERT MEEUWIS |
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PUAL | Search report despatched |
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Effective date: 19991104 |
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AKX | Designation fees paid |
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17Q | First examination report despatched |
Effective date: 20030116 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20040129 |