EP0952257B1 - Modul zur Bildung von Dränagekanälen im Boden - Google Patents

Modul zur Bildung von Dränagekanälen im Boden Download PDF

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Publication number
EP0952257B1
EP0952257B1 EP99201135A EP99201135A EP0952257B1 EP 0952257 B1 EP0952257 B1 EP 0952257B1 EP 99201135 A EP99201135 A EP 99201135A EP 99201135 A EP99201135 A EP 99201135A EP 0952257 B1 EP0952257 B1 EP 0952257B1
Authority
EP
European Patent Office
Prior art keywords
module
mass
objects
ground
loose
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
Application number
EP99201135A
Other languages
English (en)
French (fr)
Other versions
EP0952257A3 (de
EP0952257A2 (de
Inventor
Azio c/o Borghi Azio - S.P.A. Borghi
Francesco Martinelli
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.)
Borghi Azio - SpA
Original Assignee
Borghi Azio - SpA
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 Borghi Azio - SpA filed Critical Borghi Azio - SpA
Priority to SI9930786T priority Critical patent/SI0952257T1/xx
Publication of EP0952257A2 publication Critical patent/EP0952257A2/de
Publication of EP0952257A3 publication Critical patent/EP0952257A3/de
Application granted granted Critical
Publication of EP0952257B1 publication Critical patent/EP0952257B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E02B11/005—Drainage conduits

Definitions

  • This invention relates to ground drainage works, and in particular to drainage trenches for removing surface meteoric water and deep infiltration water in unstable areas.
  • the traditional method for constructing said removal trenches is to form trenches which are filled with gravel or inert rubble, possibly after inserting a thin layer of impermeable material on the bottom of the trench.
  • the meteoric or phreatic water is consequently collected from the trench and evacuated distant from the ground concerned. This method is used in particular for draining agricultural land or for removing deep water circulations in sliding ground.
  • a problem connected with the construction of said trenches is transferring the filling gravel into the trenches.
  • the gravel is very heavy and requires relatively heavy vehicles for its handling. This can often be a serious difficulty when working on intrinsically soft or marshy ground, or in the presence of rain, or if the ground is relatively steep.
  • An object of the present invention is to provide means for constructing drainage trenches to overcome the drawbacks of traditional trenches, while able to collect and convey the water which reaches the trench.
  • the known module (indicated overall by 10 in the figures) comprises a mass 11 of loose, relatively small and light solid objects, such as to define a body with drainage properties.
  • fibre layer 15 possessing filtering properties such as to enable water to pass but to retain earth particles.
  • a metal mesh cage 21 covers the mass 11 together with the fibre layer 15. This cage 21 is able to retain the mass of loose objects together and to give the module a constant determined geometrical shape, in addition to giving the finished product considerable mechanical strength.
  • a trench is firstly formed in the ground. Then a plurality of modules 10 are inserted into the trench and positioned in successive mutual contact by bringing a vertical face of one into contact with a vertical face of the next.
  • the module 10 is given an overall outer shape comprising at least one pair of opposing vertical flat faces F1 which are parallel and substantially identical to each other.
  • the geometrical shape of the module is substantially a parallelepiped, which in addition to said faces F1 comprises two opposing vertical faces F2 and two horizontal faces B1.
  • the various modules 10 are positioned in successive mutual contact within the trench by bringing a face F1 of one into contact with a face F1 of the next. Alternatively, other faces of the modules can be brought into mutual contact.
  • the modules can also be positioned superposed in two or more planes within the object. In this case the modules are placed in mutual contact via horizontal faces.
  • the succession of modules is earthed up to embed them such that the top of the modules is either substantially at ground level or below ground.
  • the mass of objects 11 is chosen such as to give it drainage properties which are comparable to or better than gravel. In particular it has a permeability of 10 -2 -10 -3 m/sec.
  • the constituent solid objects of the mass 11 preferably have a dimension of between 10 and 30 mm and are constructed of synthetic resin.
  • the objects are preferably sharp-edged.
  • the solid objects can be constructed of foamed polyurethane of density 5-20 kg per cubic metre. This material has proved to be very suitable for the function which it has to perform within the module of the invention, in that it has a relatively low specific gravity together with sufficient mechanical strength against compression caused by the thrust of the earth laterally surrounding the module, together with any earth lying on its top.
  • the fibre layer 15 can be of woven or non-woven fabric, in either case it being formed of unrottable synthetic fibres.
  • the metal mesh cage is of highly galvanized iron construction, with a structure such as to retain the mass of objects 11 and to give it the required shape.
  • the layer 15 can be positioned external to the cage, in particular to prevent the cage 21, by virtue of any exposed rods or points which it may possess, from perforating any membranes (for example impermeable membranes) laid on the bottom of the trench.
  • any membranes for example impermeable membranes
  • a drainage trench constructed with the modules 10 of the invention provides substantially the same performance, with regard to removal of meteoric water and infiltration water, as a traditional trench filled with gravel.
  • the mass of objects 11 acts basically as the gravel, having a degree of permeability substantially equal to it.
  • the cage 21 maintains the geometrical shape of the module 10 to the extent of resisting thrusts produced by the earth placed to the side and possibly on top of the module. It also serves to create a strong bonded barrier which contributes to binding and reinforcing the ground.
  • the fibre layer 15 prevents the fine part of the earth penetrating into the mass 11, to block its passages and hence reduce its degree of permeability.
  • modules are intrinsically very light and can hence be manipulated and transported by hand into the trench. This solves said drawbacks related with gravel transport and its pouring into the trench, particularly when working on intrinsically soft or marshy ground, or in the presence of rain, or if the ground is relatively steep.
  • the module 10 possesses a thin impermeable membrane 30 (for example a flexible plastic film) applied to the metal mesh cage 21, and having a lower portion 31 completely covering the lower face B1 and two side portions 32 folded against the vertical lateral faces F2 to at least cover the lower portion of these faces.
  • the other two vertical lateral faces F1 are left completely uncovered.
  • the membrane 30 can be advantageously secured to the outside of the cage 21 (as shown in Figure 4), or can be positioned between the mass of objects 11 and the cage 21.
  • the various modules 10 When the various modules 10 are positioned in successive mutual contact within the trench by bringing a face F1 of one into contact with a face F1 of the next, the various membranes 30 lie one behind the next, with their lower portions 31 coplanar and their lateral portions 32 also coplanar, the modules hence being arranged in such a manner as to define a water discharge channel which closes the trench lower face (formed by the succession of lower faces B1) and at least the lower portions of the lateral faces (formed by the succession of side faces B1) (see Figure 5).
  • This channel is particularly useful for conveying the water which reaches the trench and to prevent it dispersing into the surrounding ground, especially if the permeability of the earth below the modules 10 is greater than or equal to that of the modules themselves.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Processing Of Solid Wastes (AREA)
  • Retaining Walls (AREA)
  • Filtering Materials (AREA)

Claims (5)

  1. Modul zur Ausbildung von Drainagegräben im Boden, welches Folgendes aufweist:
    Eine Masse (11) aus losen, relativ kleinen und leichten Festobjekten, um einen Körper mit Drainageeigenschaften festzulegen,
    eine Faserschicht (15), welche die Masse von Objekten bedeckt und Filtereigenschaften aufweist, um zu ermöglichen, dass Wasser hindurchgeht, Erdpartikel jedoch zurückgehalten werden,
    einen Metallnetzkäfig (21), der in der Lage ist, die Masse loser Objekte zusammenzuhalten und dem Modul eine konstante, bestimmte geometrische Form zu geben;
    dadurch gekennzeichnet, dass
    es eine dünne undurchlässige Membran (30) aufweist, die so auf dem Metallnetzkäfig aufgebracht ist, dass sie seine untere Fläche (B1) und mindestens den unteren Abschnitt von zwei Seitenflächen (F2) vollständig bedeckt, während die zwei anderen Seitenflächen (F1) unbedeckt bleiben, um einen wassertransportierenden Ausstoßkanal auszubilden, wenn die Module miteinander kombiniert werden.
  2. Modul nach Anspruch 1,
    dadurch gekennzeichnet, dass
    es eine äußere Gesamtform mit mindestens einem Paar von einander entgegengesetzten vertikalen, flachen Flächen aufweist, die parallel und im Wesentlichen identisch zueinander sind.
  3. Modul nach Anspruch 1,
    dadurch gekennzeichnet, dass
    die Bestandteile bildenden Festobjekte der Masse (11) eine maximale Abmessung von 10-30 mm aufweisen und aus Kunstharz bestehen.
  4. Modul nach Anspruch 3,
    dadurch gekennzeichnet, dass
    die Festobjekte aus Polyurethanschaum mit einer Dichte von 5-20 kg pro Kubikmeter bestehen.
  5. Modul nach Anspruch 1,
    dadurch gekennzeichnet, dass
    die Faserwerkstoffschicht aus einem Vliesstoff aus unverrottbaren Kunstfasern besteht.
EP99201135A 1998-04-23 1999-04-12 Modul zur Bildung von Dränagekanälen im Boden Expired - Lifetime EP0952257B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9930786T SI0952257T1 (de) 1998-04-23 1999-04-12

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRE980046 1998-04-23
IT1998RE000046A IT1304280B1 (it) 1998-04-23 1998-04-23 Modulo per realizzare trincee drenanti nel terreno.

Publications (3)

Publication Number Publication Date
EP0952257A2 EP0952257A2 (de) 1999-10-27
EP0952257A3 EP0952257A3 (de) 2000-03-22
EP0952257B1 true EP0952257B1 (de) 2005-06-01

Family

ID=11399234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99201135A Expired - Lifetime EP0952257B1 (de) 1998-04-23 1999-04-12 Modul zur Bildung von Dränagekanälen im Boden

Country Status (6)

Country Link
EP (1) EP0952257B1 (de)
AT (1) ATE296921T1 (de)
DE (1) DE69925534T2 (de)
ES (1) ES2242350T3 (de)
IT (1) IT1304280B1 (de)
SI (1) SI0952257T1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014008919U1 (de) 2014-11-11 2014-12-08 Mario Gunther Leschik Füllkörper und Vorrichtung zum Zwischenspeichern von Sicker- und Regenwasser sowie dessen Verwendung

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50010394D1 (de) * 1999-07-23 2005-06-30 Misapor Ag Landguart Sickerpackung bzw. sickerleitung
AUPQ349099A0 (en) 1999-10-18 1999-11-11 Urriola, Humberto Modular drainage channels
CA2576600C (en) 2006-02-08 2010-05-11 Brentwood Industries, Inc. Water drain tank or channel module
GB2440449B (en) * 2006-07-26 2012-01-18 Polypipe Civils Ltd A soakaway
US20090080976A1 (en) * 2007-04-13 2009-03-26 Erik Anderlind Lightweight aggregate unit and method of manufacture
ITRE20100037A1 (it) * 2010-04-30 2011-10-31 Borghi Azio S P A ''modulo per realizzare trincee drenanti nel terreno ''
IT201800004843A1 (it) * 2018-04-24 2019-10-24 Modulo drenante per realizzare trincee drenanti nel terreno

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8501416U1 (de) * 1985-01-21 1992-08-27 Wintermantel, Erich, Dipl.-Volksw., 5300 Bonn Profilelemente, insbesondere zur Versorgung und/oder Entsorgung von Umgebungs- und/oder Strömungsgut
DE3911589A1 (de) * 1988-04-13 1989-10-26 Preussag Ag Rohr zur ableitung von sickerwasser von der sohle von deponien
NL8900523A (nl) * 1989-03-03 1990-10-01 Digema Recycling Bodemverbeterende op polyurethaan gebaseerde materialen.
DE4321350A1 (de) * 1993-06-26 1995-01-05 Thomas Rothfuss Drahtkorb
FR2739882B1 (fr) * 1995-10-13 1998-01-30 Boissie Chantal Procede et systeme de drainage de sols et murs utilisant un materiau granuleux

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014008919U1 (de) 2014-11-11 2014-12-08 Mario Gunther Leschik Füllkörper und Vorrichtung zum Zwischenspeichern von Sicker- und Regenwasser sowie dessen Verwendung
DE102015013982A1 (de) 2014-11-11 2016-05-12 Mario Gunther Leschik Füllkörper und Vorrichtung zum Zwischenspeichern von Sicker- und Regenwasser sowie dessen Verwendung

Also Published As

Publication number Publication date
ITRE980046A1 (it) 1999-10-23
DE69925534D1 (de) 2005-07-07
IT1304280B1 (it) 2001-03-13
ATE296921T1 (de) 2005-06-15
EP0952257A3 (de) 2000-03-22
ES2242350T3 (es) 2005-11-01
DE69925534T2 (de) 2006-05-11
SI0952257T1 (de) 2005-08-31
EP0952257A2 (de) 1999-10-27

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