EP1553228B1 - Verfahren zur Herstellung von Stauwehren in wassergesättigtem Untergrund - Google Patents

Verfahren zur Herstellung von Stauwehren in wassergesättigtem Untergrund Download PDF

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Publication number
EP1553228B1
EP1553228B1 EP04292960A EP04292960A EP1553228B1 EP 1553228 B1 EP1553228 B1 EP 1553228B1 EP 04292960 A EP04292960 A EP 04292960A EP 04292960 A EP04292960 A EP 04292960A EP 1553228 B1 EP1553228 B1 EP 1553228B1
Authority
EP
European Patent Office
Prior art keywords
trench
panels
barrier
panel
prefabricated
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.)
Not-in-force
Application number
EP04292960A
Other languages
English (en)
French (fr)
Other versions
EP1553228A1 (de
Inventor
Jean-Pierre Compagnie du Sol Hamelin
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.)
Soletanche Freyssinet SA
Original Assignee
Soletanche Freyssinet SA
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Filing date
Publication date
Application filed by Soletanche Freyssinet SA filed Critical Soletanche Freyssinet SA
Publication of EP1553228A1 publication Critical patent/EP1553228A1/de
Application granted granted Critical
Publication of EP1553228B1 publication Critical patent/EP1553228B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00—Keeping dry foundation sites or other areas in the ground
    • E02D19/06—Restraining of underground water
    • E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00—Keeping dry foundation sites or other areas in the ground
    • E02D19/06—Restraining of underground water
    • E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
    • E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material

Definitions

  • the present invention relates to a method for producing groundwater circulation control barriers and a barrier as obtained by the implementation of the method.
  • the invention relates to the production of an underground barrier which makes it possible to control the circulation of groundwater in a water flow zone and, more particularly, in the case where this barrier has to be realized. in terrain with karstic rocks with large cracks or hoses with large water circulation.
  • the walls may consist of molded walls made of concrete or plastic concrete which are obtained by first making a trench in the ground and filling the trench with concrete, excavated walls or vibrofoncés under self-hardening grout or still the prefabricated walls installed in grout.
  • this technique can not be used. Indeed, it is necessary that the walls of the trench ensure the containment of concrete or grout that is put in place. This confinement can not be obtained if the soil consists for example of karstic rocks with large cracks or hoses with large water circulation. It is understood that, because of the significant crevices of the rock, the concrete or grout will immediately flow out of the trench making it impossible to achieve the wall.
  • a method of making an underground barrier and such a barrier according to the preamble of claim 7 is disclosed in US 6,554,544 .
  • a first object of the present invention is to provide a method for the realization of underground barriers in terrain with significant crevices.
  • limited sealing it is meant that the seal is achieved, for example, with concrete or grout, only in the areas of the trench corresponding to its bottom and vertical end walls, and that the sealing means do not fill the entire trench.
  • Another advantage of the invention is that, some of the panels having a controllable opening, it is possible to maintain this opening in the open position during the execution of the work, which avoids the accumulation of water in the trench. course of realization of the barrier, this water can flow through the opening made in at least some of the panels.
  • At least a portion of the prefabricated panels consist of sheet piles.
  • At least a portion of the prefabricated panels consist of prefabricated concrete panels.
  • At least a portion of the prefabricated panels consists of plastic sheets, for example high density polyethylene (HDPE) with locks and their seal. These sheets can be reinforced by metal profiles concreted in plastic tubes integrated with said sheets.
  • HDPE high density polyethylene
  • Another object of the invention is a sealing barrier of the type obtained by the implementation of the method of the type defined above.
  • FIG. 1 there is shown a trench 10 in which a control barrier against the flow of water must be made.
  • This trench comprises a bottom 12, end side walls 14 and 16 and longitudinal vertical walls 18 and 20.
  • the trench is made in such a way that the bottom is in a layer of the soil free of crevices and the vertical end walls 14 and 16.
  • the longitudinal vertical walls 18 and 20 comprise crevices allowing an abundant flow of groundwater.
  • the trench 10 can be made entirely before the introduction of the panels or, preferably, it is made in sections of length a little longer than the length of the prefabricated panels.
  • a panel 22 made for example of reinforced concrete.
  • the panel 22 has a lower edge 24, an upper edge 26 and two vertical lateral edges 28 and 30.
  • the height H of the panel is equal to the height of the barrier that is to be made, and its width is equal to L.
  • the lateral edges 26 and 28 of the panel are provided with mechanical connection and sealing elements constituted, for example, by sheet piles 32 and 34. At least some of the panels 22 are provided with an opening constituting a window 36 equipped with shutter means not shown.
  • a first end panel 22 1 is put in place and a seal 40 in which the element 30 is engaged is made along the vertical wall 14 of the trench.
  • a seal 40 in which the element 30 is engaged is made along the vertical wall 14 of the trench.
  • the panel 22 1 which may consist of several sheet piles.
  • a seal 42 of the lower edge 24 of the panel on the bottom of the trench to thereby seal between the panel and the bottom of the trench.
  • the different panels 22 2 , etc. are successively put into place by engaging the mechanical and sealing connecting elements 30 and 32 constituted, for example, by sheet piles.
  • the last panel 22 n is equipped with a fastening and sealing element 32 'which is embedded in a seal 44 made against the end wall 16 of the trench.
  • the trench is filled by any suitable means.
  • some panels have an opening 36 provided with controllable sealing means.
  • the windows 36 are preferably left open so that the water entering the trench 10 can flow through the openings 36 and not flow into this trench due to the presence of the panels.
  • the windows 36 equipped with their shutter means remotely controllable that is to say from the surface of the ground, can be opened or closed or placed in an intermediate position to allow the passage of a controlled flow of groundwater on either side of the barrier formed by the panels 22.
  • the prefabricated panels used to make the barrier are elements made of concrete or reinforced concrete. It goes without saying that we can use other materials still corresponding to the definition of prefabricated panels. One could also use at least in part as prefabricated sheet piles engaged with each other. Preferably in this case, some specialized panels for example made of concrete would include openings 36 to allow a controlled flow of groundwater.
  • the prefabricated panels could also consist of plastic sheets, for example high density polyethylene (HDPE) with locks and their seal. These sheets can be reinforced by metal profiles concreted in plastic tubes integrated with said sheets.
  • HDPE high density polyethylene
  • some panels will be prefabricated panels or panels with a concrete metal structure and equipped with an opening provided with closure means.
  • FIGS. 3A to 3D show the different stages of the establishment of the end panel 22 '.
  • the trench 10 is shown in which the penultimate panel 22 is already fitted with its securing element 32.
  • the seal 44 made against the end wall 16 of the trench in which is fixed is also shown.
  • the fastening and sealing element 34 is also shown.
  • the panel 22 comprises a sheet metal structure which defines two vertical end boxes 54 and 56 provided with a vertical slot 58, 60. This metal structure also defines a window 62 and two vertical rails 64 and 66. The metal structure also comprises two tubular passages 68 and 70 which are connected to a vertical control line 72.
  • the panel 22 ' is placed in the trench 10 so that the T-ends 50 and 52 of the fastening elements penetrate the vertical boxes 54 and 56 of the panel through the slots 58 and 60.
  • the figure 3C shows that the caissons 54 and 56 are filled with concrete or grout, as well as the volumes limiting the slides 64 and 66. This secures the panel 22 'and makes the seal between this panel and the panel 22. and between this panel and the end wall 16 of the trench.
  • a sliding hatch 74 for closing the window 62 is placed in the slides 64 and 66.
  • the figure 4 shows the panel 22 'placed in the trench 10. It shows the seal 31 to seal between the bottom 12 of the trench and the lower edge 24' of the panel 22 '. This figure also shows the mobile hatch 74 equipped with a displacement control system 76.
  • tubular passages 68 and 70 which pass through the panel 22 'over its entire thickness. These passages 68 and 70 allow a flow of water through the panel. These tubular passages may be closed by a closure rod 78 mounted movably in the vertical tube 72.
  • the closure may be provided by one or more inflatable shutters, valves, or any other suitable means, mechanically, hydraulically or otherwise .

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (10)

  1. Verfahren zum Ausbilden einer unterirdischen Barriere zur Kontrolle der Wasserzirkulation in einem Boden, dadurch gekennzeichnet, daß es die folgenden Schritte umfaßt:
    - Ausbilden eines Grabens in dem Boden an der Stelle, an der die Barriere errichtet werden soll, derart, daß der Grund des Grabens in einer ausreichend undurchlässigen Erdschicht liegt,
    - Bereitstellen von Fertigplatten, die eine untere Kante und zwei vertikale Seitenkanten, die mit Mitteln zum gegenseitigen Abdichten versehen sind, aufweisen, wobei einige der Platten eine Öffnung aufweisen, die mit steuerbaren Verschlußmitteln versehen ist,
    - Anbringen der Platten in dem Graben derart, daß ein festes Verbinden vollzogen und zwischen zwei benachbarten Platten eine Dichtigkeit hergestellt wird,
    - Herstellen einer ersten begrenzten Dichtigkeit zwischen der unteren Kante jeder Platte und dem Grund des Grabens, und
    - Herstellen einer zweiten begrenzten Dichtigkeit zwischen der freien vertikalen Kante einer jeden endseitigen Platte und der endseitigen Wand des Grabens.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das feste Verbinden und die Dichtigkeit zwischen den Fertigplatten wenigstens teilweise durch Spundwände sichergestellt werden.
  3. Verfahren nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß die Platten wenigstens teilweise von Fertigplatten aus Beton oder Metall oder aber aus verstärktem PEHD gebildet sind.
  4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß wenigstens einige der Betonplatten ein die Öffnung bildendes Fenster und eine in dem Fenster verschieblich angebrachte Verschlußplatte umfassen.
  5. Verfahren nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, daß einige der Betonplatten wenigstens eine die Platte vollständig durchquerende Leitung umfassen.
  6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß die Leitung mit steuerbaren Verschlußmitteln versehen ist.
  7. Unterirdische, in einem Graben ausgebildete Barriere zur Kontrolle der Wasserzirkulation in dem Boden, mit einer Vielzahl von Fertigplatten, die nebeneinander in dem Graben angeordnet und durch mechanische Verbindungs- und Dichtungsmittel untereinander verbunden sind,
    dadurch gekennzeichnet, daß sie umfaßt:
    - erste begrenzte Dichtungsmittel zwischen der unteren Kante der Platten und dem Grund des Grabens sowie
    - zweite begrenzte Dichtungsmittel zwischen der freien vertikalen Kante der endseitigen Platten und den endseitigen Wänden des Grabens,
    und daß einige der Platten eine Öffnung aufweisen, die mit steuerbaren Verschlußmitteln versehen ist.
  8. Barriere nach Anspruch 7, dadurch gekennzeichnet, daß wenigstens einige der Fertigplatten aus Beton bestehen.
  9. Barriere nach einem der Ansprüche 7 und 8, dadurch gekennzeichnet, daß einige der Fertigplatten Spundwände sind.
  10. Barriere nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß einige der Fertigplatten profilverstärkte PEHD-Folien sind.
EP04292960A 2003-12-18 2004-12-13 Verfahren zur Herstellung von Stauwehren in wassergesättigtem Untergrund Not-in-force EP1553228B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0314875A FR2864122B1 (fr) 2003-12-18 2003-12-18 Procede de realisation de barrieres de controle de circulation des eaux souterraines et barriere obtenue par ce procede
FR0314875 2003-12-18

Publications (2)

Publication Number Publication Date
EP1553228A1 EP1553228A1 (de) 2005-07-13
EP1553228B1 true EP1553228B1 (de) 2011-07-20

Family

ID=34586423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04292960A Not-in-force EP1553228B1 (de) 2003-12-18 2004-12-13 Verfahren zur Herstellung von Stauwehren in wassergesättigtem Untergrund

Country Status (4)

Country Link
EP (1) EP1553228B1 (de)
AT (1) ATE517212T1 (de)
ES (1) ES2369772T3 (de)
FR (1) FR2864122B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114108607B (zh) * 2021-11-10 2023-07-18 中国一冶集团有限公司 一种穿越溶洞的灌注桩施工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3300984A (en) * 1966-07-05 1967-01-31 Arthur L Armentrout Subterranean dam and method of making the same
DE3716292A1 (de) * 1987-05-15 1988-11-24 Thosti Boswau Wtb Bau Ag Verfahren und vorrichtung zur herstellung einer dichtwand
DE4205455C1 (en) * 1992-02-22 1993-09-02 Preussag Stahl Ag, 3150 Peine, De Sealing wall of elements driven into ground for dumps - has performed elements welded fabrications, with connector at one side which slides over edge of neighbouring elements forming chamber
HU222363B1 (hu) * 1999-02-10 2003-06-28 Sándor Barkász Eljárás folytonos, vízzáró, illetve szivárgási útnövelő résfal építésére
EP1342852B1 (de) * 2002-03-06 2004-11-03 BVV Spezialtiefbautechnik Vertriebs GmbH Verfahren zum Abstützen und Abdichten von Erdreich

Also Published As

Publication number Publication date
FR2864122B1 (fr) 2006-03-17
ATE517212T1 (de) 2011-08-15
FR2864122A1 (fr) 2005-06-24
ES2369772T3 (es) 2011-12-05
EP1553228A1 (de) 2005-07-13

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