EP0235108A2 - Plaque de drainage et méthode de fabrication d'une plaque de drainage - Google Patents

Plaque de drainage et méthode de fabrication d'une plaque de drainage Download PDF

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Publication number
EP0235108A2
EP0235108A2 EP87850064A EP87850064A EP0235108A2 EP 0235108 A2 EP0235108 A2 EP 0235108A2 EP 87850064 A EP87850064 A EP 87850064A EP 87850064 A EP87850064 A EP 87850064A EP 0235108 A2 EP0235108 A2 EP 0235108A2
Authority
EP
European Patent Office
Prior art keywords
draining
layer
glue
draining plate
elements
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Withdrawn
Application number
EP87850064A
Other languages
German (de)
English (en)
Other versions
EP0235108A3 (fr
Inventor
Berndt Elmberg
Christer Skogsberg
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.)
Svensk Tradgard Miljobyggarna AB
Original Assignee
Svensk Tradgard Miljobyggarna AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Svensk Tradgard Miljobyggarna AB filed Critical Svensk Tradgard Miljobyggarna AB
Publication of EP0235108A2 publication Critical patent/EP0235108A2/fr
Publication of EP0235108A3 publication Critical patent/EP0235108A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B11/00—Drainage of soil, e.g. for agricultural purposes
    • 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 invention relates to a draining plate comprising at Least one air pervious and capillarity breaking draining Layer, and a thin impermeable Layer on each side of the draining Layer.
  • Draining layers with capillarity breaking abiLity are required in many types of building constructions.
  • Today many foundations are built on a draining Layer, and most frequently footings in the ground are surrounded by such a Layer. Draining Layers with a greater extension in the vertical plane are used outside basements of buildings. Another possible field of application is interruption of superficial water flows in the vicinity of buildings. In this Later application draining passages are provided in the Lowermost part of the draining Layer.
  • a draining Layer is produced by excavating a space in the ground, this space then being filled with coarse crushed rock, crushed aggregate, expanded clay, or the Like.
  • the capillarity breaking ability of the Layer is depending highly on the particle size and purity of the used material. If soil or similar material contaminates the Layer the capillarity breaking and draining capability will be highly deteriorated.
  • Another disadvantage is that it is complicated to arrange, by using crushed rock or expanded clay, draining Layers with great extension in the vertical plane and small extension in the horizontal plane.
  • a purpose of the present invention is to provide a draining plate which to a great extent eLiminates the disadvantages set forth above.
  • Another purpose of the invention is to provide a method of producing such a draining plate.
  • the draining plate comprises a draining Layer 10 and a thin impermeable layer 11 on each side of said draining Layer 10.
  • the draining Layer 10 comprises expanded clay the ceLLuLar pellets of which have been coated with an epoxy glue and then have been glued together in a mould to form a rectangular plate.
  • the impermeable Layers 11 comprise a cloth made of woven glass or plastic, and are impermeable in the sense that they are not pervious to aggregate, wet concrete, or the Like but are pervious to water and are insensitive to moisture. When building foundations and the Like the draining plate replaces the otherwise used draining and capillarity breaking Layer of crushed rock or expanded clay.
  • Another field of appLication of the invention is in draining building walls Located in the ground, for instance basement walls.
  • the draining plate is arranged vertically above a draining pipeline in an upright position adjacent to the outside of the wall, extending above the ground LeveL. Then, ground LeveL water is prevented from reaching the foundation.
  • This embodiment of the invention can also be applied for the interruption of water flows in or close to the ground LeveL.
  • draining plates are arranged in an upright position in the ground Leaving the uppermost part thereof at the ground LeveL, perpendicular to the main direction of propagation of the flow. BeLow the draining plate and in engagement therewith a draining pipeline is arranged. BuiLdings erected close to a hillside in this way will be effectively protected against water flowing down the hiLLside.
  • a further field of application is the provision of a water and moisture transporting Layer on top of a concrete floor, for instance above an underground garage.
  • one of the impermeable Layers of the draining plate has been replaced by a heat insuLating Layer 12 in this embodiment consisting of cellular plastic.
  • the heat insulating Layer 12 is secured to the draining Layer 10 by means of gluing.
  • a draining plate of this type not only replaces the capillarity breaking and draining Layer existing in buildings, but also decreases dramaticaLLy the heat Losses from the building through the bottom slab of the building. This effect is achieved when the draining plate is arranged under the building with the impermeable Layer 11 adjacent to the bottom slab of the building, and especially when circulation of heated air is provided in the air pervious draining Layer 10.
  • Another field of application is draining and heat insulation of basements of existing or recently built buildings.
  • the plates can also easiLy be given a finishing treatment, for instance by sawing.
  • FIG 3 shows two moulds 13 and 15 having four sides, which are used in the production of draining plates according to the invention.
  • the inner sides of the moulds 13 and 15 consist of PEHD (polyethyLene high density).
  • the base material of the draining Layer 10 is expanded clay.
  • the cellular peLLets forming the expanded clay are coated with a glue, in this embodiment an epoxy glue, in a mixer of the type being used in mixing concrete.
  • One mould 13 is placed on a plate 20, the upper surface of which consists of PEHD.
  • a thin non-woven fabric of inorganic material is placed in the mould formed by the plate 20 and the mould 13, and then the body of glue coated ceLLuLar pellets is poured into the mould.
  • An additional thin non-woven fabric of inorganic material is then placed directly on top of the celluLar pellets the non-woven fabric adhering to the cellular peLLets.
  • the non-woven fabric corresponds to the Layer 11 in FIGS. 1 and 2.
  • a PEHD fabric 14 is spread over the non-woven fabric and the mould 13, the mould 15 then being placed concentricaLLy on top of the mould 13. This procedure is repeated until an appropriate number of moulds are stacked on top of each other. Stacks of moulds are then placed at a suitable place for the self-curing of the glue. As the glue coated cellular pellets do not adhere to the inside surfaces of the moulds it is very simple to remove the finished draining plates from the moulds after the glue has cured.
  • the insulating layer in this case consists of an insulating plate.
  • the moulds are provided with higher sides, and the insulating plate 12 of for instance cellular plastic is placed as a base in each mould.
  • the glue coated cellular pellets in accordance with the method of the invention are poured onto the plate 12 there is a certain run-off of glue from the cellular pellets to the plate 12.
  • the glue run off flows over the upper surface of the plate 12 and forms a moisture safe Layer further increasing the moisture insulating ability of the draining plate. Otherwise the production is carried out as has been previously described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)
EP87850064A 1986-02-28 1987-02-26 Plaque de drainage et méthode de fabrication d'une plaque de drainage Withdrawn EP0235108A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8600899 1986-02-28
SE8600899A SE8600899L (sv) 1986-02-28 1986-02-28 Sett och anordning for forbettrad uppvermning av byggnad

Publications (2)

Publication Number Publication Date
EP0235108A2 true EP0235108A2 (fr) 1987-09-02
EP0235108A3 EP0235108A3 (fr) 1987-10-07

Family

ID=20363622

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87850064A Withdrawn EP0235108A3 (fr) 1986-02-28 1987-02-26 Plaque de drainage et méthode de fabrication d'une plaque de drainage

Country Status (2)

Country Link
EP (1) EP0235108A3 (fr)
SE (1) SE8600899L (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4417312A1 (de) * 1993-06-18 1994-12-22 Huels Troisdorf Schutzschicht für Deponie- und andere Abdichtungen
GB2294856A (en) * 1994-11-09 1996-05-15 J G Tex Co Ltd Underground drainage material for golf courses

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1333829A (fr) * 1962-06-18 1963-08-02 Couche filtrante pour un drainage par tuyaux
US3441140A (en) * 1965-09-02 1969-04-29 West Coast Foundation Drilling Drain filter
DE2327618A1 (de) * 1973-05-16 1974-12-05 Naue Kg E A H Grossflaechiges mehrschichten-draenageelement
FR2434909A1 (fr) * 1978-09-01 1980-03-28 Southern Chemicals Ltd Toit plat

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1333829A (fr) * 1962-06-18 1963-08-02 Couche filtrante pour un drainage par tuyaux
US3441140A (en) * 1965-09-02 1969-04-29 West Coast Foundation Drilling Drain filter
DE2327618A1 (de) * 1973-05-16 1974-12-05 Naue Kg E A H Grossflaechiges mehrschichten-draenageelement
FR2434909A1 (fr) * 1978-09-01 1980-03-28 Southern Chemicals Ltd Toit plat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CIVIL ENGINEERING, vol. 54, no. 8, August 1984, pages 48-51, New York, US: "In-plane composite drains" *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4417312A1 (de) * 1993-06-18 1994-12-22 Huels Troisdorf Schutzschicht für Deponie- und andere Abdichtungen
GB2294856A (en) * 1994-11-09 1996-05-15 J G Tex Co Ltd Underground drainage material for golf courses

Also Published As

Publication number Publication date
SE8600899L (sv) 1987-08-29
SE8600899D0 (sv) 1986-02-28
EP0235108A3 (fr) 1987-10-07

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Inventor name: SKOGSBERG, CHRISTER

Inventor name: ELMBERG, BERNDT