EP1026328A2 - Verfahren zum Entwässern eines gering durchlässigen Bodens - Google Patents

Verfahren zum Entwässern eines gering durchlässigen Bodens Download PDF

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Publication number
EP1026328A2
EP1026328A2 EP00200282A EP00200282A EP1026328A2 EP 1026328 A2 EP1026328 A2 EP 1026328A2 EP 00200282 A EP00200282 A EP 00200282A EP 00200282 A EP00200282 A EP 00200282A EP 1026328 A2 EP1026328 A2 EP 1026328A2
Authority
EP
European Patent Office
Prior art keywords
water
drainage
wall
soil
pipes
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
Application number
EP00200282A
Other languages
English (en)
French (fr)
Other versions
EP1026328A3 (de
EP1026328B1 (de
Inventor
Ivar Frans Rudolf Daemen
Willibordus Lambertus Antonius H. Van Den Broek
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.)
Nbm-Amstelland Bouw & Infra Bv
Van Oord Waterbouw Bv
Van Oord NV
Original Assignee
Nbm Amstelland Bouw & Infra B
Nbm-Amstelland Bouw & Infra Bv
OORD ACZ VAN BV
VAN OORD ACZ BV
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
Priority claimed from NL1011182A external-priority patent/NL1011182C2/nl
Priority claimed from NL1013755A external-priority patent/NL1013755C1/nl
Application filed by Nbm Amstelland Bouw & Infra B, Nbm-Amstelland Bouw & Infra Bv, OORD ACZ VAN BV, VAN OORD ACZ BV filed Critical Nbm Amstelland Bouw & Infra B
Publication of EP1026328A2 publication Critical patent/EP1026328A2/de
Publication of EP1026328A3 publication Critical patent/EP1026328A3/de
Application granted granted Critical
Publication of EP1026328B1 publication Critical patent/EP1026328B1/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
    • 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
    • E02D3/106—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains by forming sand drains containing only loose aggregates

Definitions

  • the invention relates to a method for extracting water from water-containing, poorly permeable soil, wherein one or more drainage elements of a water-permeable material are introduced into the soil.
  • a drainage element consisting of a wall of a water-permeable material and of drains of a water-permeable material joining the underside of the wall is formed in the soil, and water is extracted from said wall.
  • water can be extracted from the wall of a permeable material via one or more drainage pipes disposed in the wall, for example by means of a pump or the like. Said extraction of water from the wall will cause the ground water level in said wall to fall, which will result in an accelerated flow of ground water to the wall from the soil surrounding the wall, and also in a flow of water to the wall from the sand drains which extend deeper into the soil than the wall. As a result of the flow of water from the drains, water will flow from the soil surrounding the drains into said drains at an accelerated rate.
  • the ground water in the soil will flow substantially in horizontal direction towards the wall or the drains, which allows an optimum utilization of the possible stratification of the soil and of the fact that the permeability of the soil in horizontal direction is generally greater than that in vertical direction.
  • stop valves which have been mounted in pipes extending between the various drainage elements and a pump installation, are selectively opened and/or closed during operation, in such a manner that water is extracted intermittently from a desired drainage element or a group of drainage elements whilst excluding the other drainage elements connected to the pump installation via the pipes, and water is successively extracted from several drainage elements or groups of drainage elements.
  • Another aspect of the invention relates to apparatus for extracting water from drainage elements of a water-permeable material, in which drainage pipes connected to the suction side of a pump via pipes are present, which drainage elements are disposed in water-containing, poorly permeable soil, which apparatus is in particular intended for carrying out the above-described method.
  • stop valves are mounted in the pipes extending between the drainage pipes and the pump, which can be adjusted independently of each other between an open position and a closed position.
  • a drainage element is disposed in the soil, which drainage element is built up in the illustrated embodiment of a wall 5 of a permeable material, for example sand, which extends at least substantially vertically downwards from the ground surface, and of so-called "sand drains" 2 of a water-permeable material, generally also sand, which join the underside of the wall 5.
  • a permeable material for example sand
  • sand drains 2 of a water-permeable material, generally also sand, which join the underside of the wall 5.
  • the at least substantially vertically extending pile shaped sand drains 2 are thereby arranged in regularly spaced-apart relationship.
  • Said pile shaped sand drains can extend over a much greater depth than wall 5.
  • such sand walls 5 and joining sand drains 2 can be formed a regular distance apart in the soil.
  • the construction of the sand wall 5 and the sand drains 2 will take place in such a manner that first the sand drains are formed in the soil from the ground surface 1 in a manner which is known per se, and that subsequently the upper parts of the sand drains will be incorporated in the wall 5 by forming sand wall 5.
  • a horizontally extending drainage pipe 6 Disposed near the underside of wall 5, which extends over a depth of 6 to 7 metres from surface 1, for example, is a horizontally extending drainage pipe 6, which is connected, via a further pipe 7 schematically indicated in Figure 2, which extends upwards in wall 5 or in the soil surrounding said wall 5, to a pipe 8 which is connected to a pump installation 9.
  • the drainage pipe 6 Since the drainage pipe 6 is positioned at a comparatively limited depth, it is possible to use a normal pump for sucking water from drainage pipe 6.
  • Said extraction of water from wall 5 and from sand drains 2 results in an accelerated flow of water from the soil surrounding wall 5 and sand drains 2.
  • the flow of water from the soil to wall 5 and/or sand drains 2 will take place mainly in horizontal direction thereby, which is advantageous if the soil is stratified, whilst generally a flow of water in horizontal direction is more conducive to a good permeability of the soil than a flow of water in upward direction.
  • FIG. 2 As is indicated in Figure 2, several pipes 7, which are connected to drainage pipes 6 or the like disposed in various drainage elements, are connected to the central pipe 8 which is connected to the suction side of the pump 9.
  • a stop valve 10 is mounted in each of said pipes 7, which valve can be adjusted, for example by means of an electric motor to be activated by remote control, between an open position, in which a free flow of water through pipe 7 can take place, and a closed position, in which the discharge of water from the respective drainage element via said pipe 7 is blocked.
  • pump 9 an optimum usage of pump 9 can be obtained, wherein it is possible to extract water from a large number of drainage elements whilst using a comparatively light-duty pump installation.
  • a top load for example consisting of sand or the like material or of an enclosed mass of water or the like, can be placed on the soil to support the compacting of the water-containing soil.
  • Another possibility of discharging the water that has collected in a drainage pipe is to generate an overpressure in drainage pipe 6 at desired points in time by supplying pressurized air to pipe 6 via a pipe which is connected to the drainage pipe. The water can then be discharged via a further pipe connected to pipe 6, which leads to surface 1.
  • a compressor or the like for generating said overpressure may also be connected to drainage pipes 6 disposed in several walls 5. Generally it will only be necessary to activate the compressor or the like intermittently in this case as well, for example again in dependence on the water level in (a) sand wall(s) 5 measured by means of a sensor(s).
  • sand drains is understood to include strip-shaped drainage elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • Civil Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
EP00200282A 1999-02-01 2000-01-27 Verfahren zum Entwässern eines gering durchlässigen Bodens Expired - Lifetime EP1026328B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL1011182A NL1011182C2 (nl) 1999-02-01 1999-02-01 Werkwijze voor het verwijderen van water uit waterhoudende, slecht doorlatende grond.
NL1011182 1999-02-01
NL1013755 1999-12-06
NL1013755A NL1013755C1 (nl) 1999-12-06 1999-12-06 Werkwijze voor het verwijderen van water uit waterhoudende, slecht doorlatende grond.

Publications (3)

Publication Number Publication Date
EP1026328A2 true EP1026328A2 (de) 2000-08-09
EP1026328A3 EP1026328A3 (de) 2000-12-06
EP1026328B1 EP1026328B1 (de) 2005-10-19

Family

ID=26642917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00200282A Expired - Lifetime EP1026328B1 (de) 1999-02-01 2000-01-27 Verfahren zum Entwässern eines gering durchlässigen Bodens

Country Status (4)

Country Link
EP (1) EP1026328B1 (de)
AT (1) ATE307228T1 (de)
DE (1) DE60023201T2 (de)
ES (1) ES2251344T3 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014004011U1 (de) 2014-05-14 2014-05-28 Eduard Galinker Vorrichtung zur Gewinnung von Wasser aus dem feuchten Erdboden durch den Einsatz von Vakuum zwecks Trinkwassererzeugung
DE102014007081A1 (de) 2014-05-14 2015-11-19 Eduard Galinker Verfahren und Vorrichtung zur Gewinnung von Wasser aus dem feuchten Erdboden durch den Einsatz von Vakuum zwecks Trinkwassererzeugung
CN117845874A (zh) * 2024-03-07 2024-04-09 国网山西省电力公司经济技术研究院 一种用于低含水量湿陷性黄土场地的加压控制注水系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2014368A1 (de) * 1969-03-26 1970-10-01 Smet, Hugo, Dessel (Belgien) Verfahren und Vorrichtung zum Herstellen einer dünnen, filtrierenden oder nicht filtrierenden, von einem senkrechten Bohrloch ausgehenden Wand im Erdboden
FR2265920A1 (en) * 1974-03-29 1975-10-24 Keller Gmbh Johann Underground drainage wall construction - uses set of interconnected holes formed by bladed vibratory tool filled with cement
US4020902A (en) * 1975-07-03 1977-05-03 R. L. Gould Well point system
DE3002564A1 (de) * 1979-01-30 1980-08-07 Laing John Services Fluessigkeitskanalisierungsanordnung
WO1997038172A1 (en) * 1996-04-09 1997-10-16 Geotechnics America, Inc. Apparatus and method for liquefaction remediation of liquefiable soils
WO1997049871A1 (fr) * 1996-06-26 1997-12-31 Soletanche Bachy France Nouvelle paroi drainante, procede pour sa realisation et element mis en oeuvre

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2014368A1 (de) * 1969-03-26 1970-10-01 Smet, Hugo, Dessel (Belgien) Verfahren und Vorrichtung zum Herstellen einer dünnen, filtrierenden oder nicht filtrierenden, von einem senkrechten Bohrloch ausgehenden Wand im Erdboden
FR2265920A1 (en) * 1974-03-29 1975-10-24 Keller Gmbh Johann Underground drainage wall construction - uses set of interconnected holes formed by bladed vibratory tool filled with cement
US4020902A (en) * 1975-07-03 1977-05-03 R. L. Gould Well point system
DE3002564A1 (de) * 1979-01-30 1980-08-07 Laing John Services Fluessigkeitskanalisierungsanordnung
WO1997038172A1 (en) * 1996-04-09 1997-10-16 Geotechnics America, Inc. Apparatus and method for liquefaction remediation of liquefiable soils
WO1997049871A1 (fr) * 1996-06-26 1997-12-31 Soletanche Bachy France Nouvelle paroi drainante, procede pour sa realisation et element mis en oeuvre

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014004011U1 (de) 2014-05-14 2014-05-28 Eduard Galinker Vorrichtung zur Gewinnung von Wasser aus dem feuchten Erdboden durch den Einsatz von Vakuum zwecks Trinkwassererzeugung
DE102014007081A1 (de) 2014-05-14 2015-11-19 Eduard Galinker Verfahren und Vorrichtung zur Gewinnung von Wasser aus dem feuchten Erdboden durch den Einsatz von Vakuum zwecks Trinkwassererzeugung
CN117845874A (zh) * 2024-03-07 2024-04-09 国网山西省电力公司经济技术研究院 一种用于低含水量湿陷性黄土场地的加压控制注水系统
CN117845874B (zh) * 2024-03-07 2024-05-14 国网山西省电力公司经济技术研究院 一种用于低含水量湿陷性黄土场地的加压控制注水系统

Also Published As

Publication number Publication date
EP1026328A3 (de) 2000-12-06
DE60023201D1 (de) 2005-11-24
DE60023201T2 (de) 2006-07-13
EP1026328B1 (de) 2005-10-19
ATE307228T1 (de) 2005-11-15
ES2251344T3 (es) 2006-05-01

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