EP1553228A1 - 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
EP1553228A1
EP1553228A1 EP04292960A EP04292960A EP1553228A1 EP 1553228 A1 EP1553228 A1 EP 1553228A1 EP 04292960 A EP04292960 A EP 04292960A EP 04292960 A EP04292960 A EP 04292960A EP 1553228 A1 EP1553228 A1 EP 1553228A1
Authority
EP
European Patent Office
Prior art keywords
panels
trench
barrier
prefabricated
sealing means
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
EP04292960A
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English (en)
French (fr)
Other versions
EP1553228B1 (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
Compagnie du Sol SARL
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Filing date
Publication date
Application filed by Compagnie du Sol SARL filed Critical Compagnie du Sol SARL
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
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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 subject of the present invention is 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 a underground barrier that allows for the control of the circulation of groundwater in a water flow zone and, more particularly, in the case where this barrier has to be realized in a terrain with karstic rocks with large cracks or hoses with large water circulation.
  • the walls may consist of molded walls of concrete or plastic concrete which are obtained by first making a trench in the ground and filling this trench with concrete, excavated walls or vibrofoncés under grout self-hardening or 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 the concrete or grout that is put in place. This confinement can not be obtained if the soil is constituted for example by rocks of karstic type with large cracks or gut with large water circulation. We understand that because of important crevices of rock, concrete or grout will flow immediately out of the trench making it impossible to achieve of the wall.
  • a first object of the present invention is to provide a process allowing the realization of underground barriers in lands with significant anfractuosities.
  • limited sealing we mean that the sealing is achieved, for example, with concrete or grout, only in those areas of the trench corresponding to its bottom and its 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 with a controllable opening, it is possible to maintain this opening in the open position during the realization of works, which avoids the accumulation of water in the trench. during the construction of the barrier, this water may flow through the opening made in at least some of the panels.
  • At least a part of the prefabricated panels consist of piles.
  • At least one part of the prefabricated panels consist of panels prefabricated concrete.
  • At least one part of prefabricated panels consists of sheets made of plastic, for example high density polyethylene (HDPE) with locks and their seal. These leaves can be reinforced by metal profiles concreted in plastic material integrated with said sheets.
  • HDPE high density polyethylene
  • Another object of the invention is a sealing barrier of type obtained by the implementation of the method of the type defined above.
  • FIG. 1 shows a trench 10 in which must be made a control barrier against the flow of water.
  • This trench comprises a bottom 12, side end walls 14 and 16 and vertical longitudinal walls 18 and 20.
  • the dam is effective, it must of course that the trench is made in such a way that the bottom is in a layer of soil devoid of crevices as well than the vertical end walls 14 and 16.
  • the walls longitudinal gauges 18 and 20 have anvils permitting an abundant flow of groundwater.
  • Trench 10 may be completed entirely prior to implementation place panels or, preferably, it is carried out in sections of length a little longer than the length of prefabricated panels.
  • a panel 22 made by example in 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 one wants to achieve, and its width is equal to L.
  • the side edges 26 and 28 of panel are provided with mechanical connection and sealing elements consisting of, for example, sheet piles 32 and 34. At least some 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.
  • the various panels and their mechanical connection and sealing elements a continuous dam opposing the circulation of groundwater.
  • some panels have an opening 36 provided with means shutter controllable.
  • the windows 36 When building the barrier underground, preferably the windows 36 of such way that the water entering the trench 10 can flow through openings 36 and does not flow into this trench because of the presence of the panels.
  • the windows 36 equipped with their shutter means controllable remotely that is from the ground surface, can be opened or closed or put in an intermediate position to allow the passage of a controlled flow of groundwater on both sides of the barrier constituted by the panels 22.
  • the prefabricated panels used to make the barrier are elements concrete or reinforced concrete. It goes without saying that we can use other materials still corresponding to the definition of panels prefabricated. We could also use at least partly as prefabricated panel of sheet piles engaged with each other. Preferably in this case, some specialized panels for example made of concrete would have openings 36 to allow controlled flow of groundwater.
  • Prefabricated panels could also be made of plastic sheets, for example high density polyethylene (HDPE) with locks and their gasket sealing. These sheets can be reinforced with profiles concreted metal in plastic tubes integrated into say 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 and 4 we will describe an example of setting up an equipped prefabricated panel from a window and mounted at one end of the trench.
  • Figures 3A to 3D show the different stages of the implementation in place of the end panel 22 '.
  • FIG. 3A the trench 10 in which is already set up the penultimate panel 22 with its element of solidarization 32.
  • the sealing 44 is also shown against the end wall 16 of the trench in which the element is fixed fastening and sealing 34.
  • FIG. 3B the installation of the panel is shown end 22 '.
  • fastening elements 32 and 34 of the vertical extensions 46 and 48 which terminate in a T-shape 50, 52.
  • the panel 22 comprises a metal structure made of sheet metal which defines two vertical end boxes 54 and 56 provided with a slot vertical 58, 60. This metal structure also defines a window 62 and two vertical rails 64 and 66. The metal structure comprises also two tubular passages 68 and 70 which are connected to a 72 vertical control line.
  • the panel 22 ' is placed in the trench 10 of such way that the T-ends 50 and 52 of the fastening elements penetrate the vertical boxes 54 and 56 of the panel thanks to slots 58 and 60.
  • FIG. 3C shows that one fills concrete or grout the caissons 54 and 56, as well as the volumes limiting the slides 64 and 66. This secures the panel 22 'and the effect of sealing between this panel and the panel 22 and between this panel and the end wall 16 of the trench.
  • Figure 4 shows the panel 22 'set up 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 system of displacement control 76.
  • FIG. 4 also shows the tubular passages 68 and 70 which cross the panel 22 'over its entire thickness. These passages 68 and 70 allow a flow of water through the panel. These passages tubular can be closed by a shutter rod 78 mounted mobile in the vertical tube 72.
  • the shutter can be provided by one or inflatable shutters, valves, or any other suitable means, to mechanical, hydraulic or other control.

Landscapes

  • 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)
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 true EP1553228A1 (de) 2005-07-13
EP1553228B1 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

Citations (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
US6554544B1 (en) * 1999-02-10 2003-04-29 Barkasz Sandor Method to build a water seal, creep-line increasing cutoff
EP1342852A1 (de) * 2002-03-06 2003-09-10 BVV Spezialtiefbautechnik Vertriebs GmbH Verfahren zum Abstützen und Abdichten von Erdreich

Patent Citations (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
US6554544B1 (en) * 1999-02-10 2003-04-29 Barkasz Sandor Method to build a water seal, creep-line increasing cutoff
EP1342852A1 (de) * 2002-03-06 2003-09-10 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
EP1553228B1 (de) 2011-07-20
FR2864122A1 (fr) 2005-06-24
ES2369772T3 (es) 2011-12-05

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