EP0980935B1 - Dispositif pour le placement de matériaux d'infiltration derrière des éléments de construction - Google Patents

Dispositif pour le placement de matériaux d'infiltration derrière des éléments de construction Download PDF

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Publication number
EP0980935B1
EP0980935B1 EP99116236A EP99116236A EP0980935B1 EP 0980935 B1 EP0980935 B1 EP 0980935B1 EP 99116236 A EP99116236 A EP 99116236A EP 99116236 A EP99116236 A EP 99116236A EP 0980935 B1 EP0980935 B1 EP 0980935B1
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EP
European Patent Office
Prior art keywords
injection
tube
component
materials
borehole
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
EP99116236A
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German (de)
English (en)
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EP0980935A2 (fr
EP0980935A3 (fr
Inventor
Johann J. Köster
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.)
Koster Bauchemie GmbH
Original Assignee
Koster Bauchemie GmbH
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Filing date
Publication date
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Application filed by Koster Bauchemie GmbH filed Critical Koster Bauchemie GmbH
Publication of EP0980935A2 publication Critical patent/EP0980935A2/fr
Publication of EP0980935A3 publication Critical patent/EP0980935A3/fr
Application granted granted Critical
Publication of EP0980935B1 publication Critical patent/EP0980935B1/fr
Anticipated expiration legal-status Critical
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion

Definitions

  • the invention relates to a device for introducing materials behind components.
  • the component is exposed from the outside, i.e. the surrounding Soil is removed, the leaky areas made accessible and suitable Sealed materials. Then the soil is filled up again.
  • the disadvantage This method is that in many cases the affected components due to Superstructures, tree or plant growth or not exposed for static reasons can be, so that access to the leaky component from the outside is impossible. moreover the process is complex and costly.
  • This dowel is firmly connected to the borehole from the inside, e.g. by pressing them apart and thus pressing a rubber hose against the inner wall of the borehole. Often it also contains a check valve, which prevents the sealing material from flowing back prevented when the flow is interrupted and the injection pressure is therefore suspended. This valve can also be replaced by another backflow protection, such as. by a slide closing device or by clogging the flow opening. In the latter case, the liquid sealing material is without any further guiding device pressed through the borehole.
  • the veil seal unlike the the aforementioned method avoids expensive earthworks, it harbors quite a few Disadvantages: in the outer area of the component to be sealed, there is either the ground, Insulation materials, building rubble or other substances.
  • the soil is at the point where it is solidified or sealed by means of a high-pressure liquid or injection material jet in one through the Nozzle arrangement on the drilling device determinable area loosened and released and with mixed the injection material.
  • the mixture of soil, liquid and injection material solidified then determined by the nozzle arrangement on the drilling device Areas.
  • This procedure involves drilling and inserting of the injection material in succession, but with one and the same device. This requires one special device which, in addition to making holes, should also enable Injection material to be introduced into defined areas, which is due to radial attachment to the drill pipe Nozzles are done.
  • the device disclosed therein has a high-pressure spray device which comprises a tube connected to a cylinder which has a stamp or contains a ram within a chamber. With the chamber are two high pressure gas hoses connected, which are in contact with a high-pressure gas bottle via a switch. At the end of the tube is a backward-pointing nozzle that injects the material into to distribute a circular radial pattern on the outside of an underground wall.
  • the distribution patterns obtained are conical, the device is complex in terms of equipment and is characterized by a high material consumption.
  • the invention is therefore based on the object of providing a device with the components better and permanently sealed against moisture and can be protected. Furthermore, the invention has the task of working on existing Components, e.g. Walls, walls, etc. In particular construction work on small-area components in contact with the ground, e.g. Basement walls should be possible areas that are difficult to access, e.g. Corner and edge areas as well as advances in opening up such sealing measures. Another job The invention consists in providing a device suitable for this purpose, the use of the component to be sealed during the sealing allowed. Yet another object of the invention is to provide a device that is convenient for handling in suitable for confined spaces. The device should be easy to transport and also take up little space during construction.
  • the method also preferably provides for the introduction an injection device into a component, an opening in and through the component is drilled, and that a hose-like lining the opening in the entrance area Object is used, the close contact between the opening in the component and the injection device allowed.
  • the injection device is already inserted into the opening in the component before generating an injection jet from the material to be introduced air or another gas through the injection device is pressed.
  • the method also provides for generating an injection jet made of material to be inserted under pressure into and through the opening injection device located in the component is pumped.
  • the injection device is positioned in the component so that the outlet area of the material from the injection device is behind the component.
  • the method provides that the direction and width of the introduction of the material to be introduced behind the component due to the shape, dimensions, arrangement and positioning of the deflection device and by varying the injection pressure can be influenced.
  • Pressures in the range of 1-10 bar are used to inject the material to be introduced used.
  • pressures are in the range of 5-10 bar, in another Embodiment 8-10 bar, in yet another embodiment pressures in the range of 2-8 bar, preferably 3-7 bar and more preferably 4-6 bar used. It goes without saying and it is obvious to the person skilled in the art that the pressure used is external, the nature and material of the component as well as the building ground should be adapted to the component to be sealed.
  • Liquid, powdered or granular can preferably be used in the process Materials are introduced.
  • materials are first introduced which are quick are setting and act as a water barrier, and that afterwards volume constant materials be introduced.
  • the preferred fast-setting materials that form a water barrier are Foams used that form in situ.
  • Foams used that form in situ.
  • hydrophilic polyurethane gels to use hydrophilic polyurethane gels.
  • the inside diameter of the tube is between 5 and 50 mm, preferably between 10 and 30 mm.
  • the length of the pipe depends on the thickness of the component, behind which material is introduced should. In one embodiment, the length of the tube is between 20 cm and 120 cm. It will be apparent to those skilled in the art that the length of the pipe is structural Circumstances should be adjusted.
  • the deflecting preferred in the side wall opening s all around.
  • the opening (s) can be designed differently, e.g. square, circular, oval, triangular, rectangular, polygonal, elliptical etc. Preferred the opening (s) is circular.
  • the diameter of the opening (s) is in Range from 1 mm - 10 mm, preferably from 3 mm - 8 mm.
  • the side wall comprises several openings, it can be provided that these, for example in terms of shape and / or size are different, as exemplified above.
  • the tube is connected to a second tube in this way is that the second tube is part of the openings in the side wall of the tube covers.
  • the outer diameter of the second tube can be the inner diameter of the correspond to the first tube or vice versa; in the first case, the second pipe goes into the first Inserted tube, in the second case the second tube is pushed over the first tube, see above that it includes the first tube.
  • the inside diameter of the first tube is between 5 and 50 mm, preferably between 10 and 30 mm.
  • the length of each tube depends according to the thickness of the component behind which material is to be inserted. In one embodiment the length of each tube is between 20 cm and 120 cm. It will be for the It should be obvious to a person skilled in the art that the length of each tube is adapted to the structural conditions can be.
  • At least one flexible hose or tube-like device is.
  • the invention is based on the surprising finding that by using a Deflection device a targeted and limited to the places to be sealed of sealing material behind components is enabled, resulting in better and more permanent Sealing leads.
  • the invention is based on the surprising finding that the invention Low pressure injection into porous substrates compared to existing high pressure processes offers the possibility of reaching finer structural pores with the injection material.
  • the invention shows that this not the case: Basically, building materials and floors are porous substrates with one each characteristic pore radius distribution. This leads to a pressure injection of Injection material into these substrates initially only partially reached the pores present therein can be, because due to the principle of least coercion (Le Chatelier) first coarse pores and voids are filled and only afterwards (if it is a closed one System acts and the injection measure is maintained long enough) finer Pores are filled.
  • the Injection pressure should not be set too high, so that even in pores with a smaller diameter the injection material still flows laminar and not turbulent, which leads to a considerable increase the flow resistance and would lead to a serious loosening of the substrate.
  • the method described eliminates a requirement that goes beyond what is necessary Loosening of the substrate, for example the subsoil, as is the case with high-pressure processes is observed.
  • the device according to the invention and the method described also achieved that the sealing material no longer as with conventional veil seals flows uncontrolled away from the borehole in the component into the ground, but specifically at and is placed around the places where sealing is required. It takes place a distribution of the sealing material, especially in the area along the outer wall of the component.
  • a directional injection is parallel to the component to be sealed, as is one directional injection into corners and edges.
  • the deflection device is the combination of pipe closure on one End and side openings.
  • the embodiment of the closed tube according to the invention with lateral openings also allows endoscopic inspection of the areas to be sealed through use modern endoscopy technology.
  • the ones to be examined Surfaces beforehand by using compressed air which passes through the pipe with lateral Openings is pressed, exposed.
  • Figure 1 shows an embodiment of the device according to the invention, the pipe 6, which is closed at one end 7, and in the side wall at the closed end there are openings 8 of different sizes, shapes, numbers and arrangement. It is shown how the device must be positioned within the component 1, to ensure a targeted introduction of sealing material through these side wall openings 8.
  • the tube can be flush with the inner wall 9 of the component or in protrude into the interior 10. Outside the component, it must protrude so far into soil 2 that the openings 8 in the side wall of the tube are exposed.
  • the inside diameter of the invention Pipe is usually between 5 and 50 mm, but may also be larger or smaller diameters conceivable.
  • Figure 2 shows an embodiment of a device that a Includes rod 11, at the end of which is a plate 12 approximately perpendicular to the rod located.
  • the device is inserted into the borehole so that the plate is outside the Component is positioned in the ground 2 and the sealing material to be introduced along the Rod can flow up to the plate from which it approximates its direction of movement 90 ° changes and now along the outer wall of the component behind the component flows.
  • the material can be introduced into the borehole by means of a dowel or a Tube 13 are facilitated, in which the device according to the invention is inserted.
  • there the length of the pipe or dowel can be variable and is only due to the dimensions of the borehole.
  • the length of the invention Device depends on the thickness of the component, but the device is always slightly longer than the component, so that the deflection device is outside at its end of the component can be positioned.
  • Figure 3 shows an embodiment of a device that several Bars 14 provided with plate 12 comprises. Again, this device can be replaced by a long dowels or pipe 13 are inserted into the borehole.
  • the shown in Figures 2 and 3 Embodiments are distinguished from the embodiment shown in FIG. 1 in that the outflow of the material is less obstructed; conversely, the in Figure 1 embodiment shown a larger pressure build-up.
  • the shape of the baffle plate can be variable; circular, oval, rectangular, square, but also individually to the respective circumstances customized shapes. It is also provided that the plate may not be vertical is attached to the rod (s), but rather the longitudinal axis of the rod (s) the surface of the plate forms an angle that is ⁇ 90 °. This results in the targeted drainage of the material in one direction, in contrast to the vertically attached plate, in which the material moves radially in all directions around the device according to the invention.
  • the device according to the invention shown in FIG. 3 is distinguished from that in FIG 2 device shown by greater stability.
  • the size of the deflection device i.e. the Plate limited by the dimensions of the borehole, as it can be a maximum of that it can still be placed behind the component through the borehole.
  • This limitation is no longer given in the embodiment shown in Figure 4, in which the as in Figure 2 deflection device 15 attached to a rod, the folding principle of an umbrella Has.
  • a deflection device can be inserted into the borehole, the Area is significantly larger than the area of the borehole.
  • the deflection device unfolds into the borehole (FIG. 4a), as with an umbrella, by pulling back the pole, as well as by one Arrow shown, (Fig. 4b). This creates a much larger area behind the borehole covered by the deflection device and thus accessible for sealing material.
  • FIG. 5a shows an injection pattern as obtained by conventional methods to date becomes.
  • a component 1 is shown, the soil 2 behind it, an injection opening 3 in the component and a device 4 for introducing sealing material 5.
  • the sealing material 5 largely follows its path looking away from the component and filling up a large volume. Because of irregularities in the substrate, i.e. Cracks or cracks in the ground, it is very possible that Large amounts of sealing material are consumed because of the direction of the material flow cannot be influenced and under certain circumstances a large volume of sealing material disappears in cavities and / or crevices. Such a method in the prior art is costly and labor intensive.
  • FIG. 5b shows an injection pattern as it is according to an embodiment of the invention Procedure is achieved.
  • the sealing material 5 does not flow like the conventional ones Moving perpendicularly from the component 1 into the substrate 2 behind it, it spreads around the point to be sealed along the outer wall of the component out. Much less material is required, and the total amount of material, costs and Work is easier to estimate.
  • the boreholes or injection openings for introducing the device according to the invention must be set differently. It has been shown that if moisture penetrates through cracks in the component, the drill holes are made at a distance of approximately 10 to 50 cm following the course of the crack. On the other hand, a grid pattern in which the individual distances between the boreholes are 20 to 50 cm is preferred in the case of extensive moisturizations. In the case of leaky connections, for example water pipes, the drill holes are made in a circular manner around the pipe.
  • Metal or plastic have proven to be particularly suitable materials for the invention in proven their various embodiments. This applies to the pipe, the rod (s) as well the deflection device in its various embodiments.
  • the hoses used are preferably made of rubber or another elastic plastic.

Claims (4)

  1. Dispositif pour l'introduction de matériaux derrière des éléments de construction, comprenant
    a) un dispositif d'injection pour l'injection des matériaux dans le sens longitudinal du dispositif d'injection et,
    b) un dispositif de renvoi pour le changement de la direction de déplacement des matériaux dans la zone de sortie des matériaux sortant du dispositif d'injection, le dispositif d'injection comprenant un tuyau (6),
       caractérisé en ce que le dispositif de renvoi comprend une fermeture (7) du tuyau sur une de ses extrémités et en ce que, dans la zone d'extrémité du tuyau où se trouve la fermeture, le dispositif comprend au moins une ouverture (8) dans la paroi latérale du tuyau.
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de renvoi comprend tout autour des ouvertures (8).
  3. Dispositif selon la revendication 2, caractérisé en ce que le tuyau (6) est relié à un second tuyau, en ce que le second tuyau recouvre une partie des ouvertures (8) se trouvant dans la paroi latérale du premier tuyau (6).
  4. Dispositif selon les revendications 2-3, caractérisé en ce qu'au moins un dispositif souple, de type flexible ou tube, est guidé à travers les ouvertures (8) se trouvant dans la paroi latérale.
EP99116236A 1998-08-17 1999-08-17 Dispositif pour le placement de matériaux d'infiltration derrière des éléments de construction Expired - Lifetime EP0980935B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19837055 1998-08-17
DE19837055A DE19837055C2 (de) 1998-08-17 1998-08-17 Injektionsvorrichtung und Verfahren zum Abdichten von im Erdreich befindlichen Bauteilen

Publications (3)

Publication Number Publication Date
EP0980935A2 EP0980935A2 (fr) 2000-02-23
EP0980935A3 EP0980935A3 (fr) 2001-03-21
EP0980935B1 true EP0980935B1 (fr) 2004-10-13

Family

ID=7877641

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99116236A Expired - Lifetime EP0980935B1 (fr) 1998-08-17 1999-08-17 Dispositif pour le placement de matériaux d'infiltration derrière des éléments de construction

Country Status (3)

Country Link
EP (1) EP0980935B1 (fr)
AT (1) ATE279599T1 (fr)
DE (2) DE19837055C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10248076A1 (de) * 2001-04-17 2004-05-06 Markus Nyenhuis Verfahren zur Bauwerksentfeuchtung und Behebung von an den Bauwerksteilen auftretenden Feuchtigkeitsschäden
DE10118838C1 (de) * 2001-04-17 2003-05-22 Markus Nyenhuis Verfahren und Vorrichtung zur Bauwerksentfeuchtung und Behebung von an den durchfeuchteten Thermeisolationsschichten aufgetreten Wasserschäden
DE102004013726A1 (de) * 2004-03-18 2005-10-13 Franz Britze Verfahren zur nachträglichen Abdichtung von Bauwerken gegen drückendes Wasser

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2071758A (en) * 1935-04-19 1937-02-23 Mckay John Method of waterproofing structures
CH425150A (de) * 1961-09-16 1966-11-30 Sap Baustoffe Ag Verfahren zur Isolierung von Mauern und Einrichtung zur Durchführung dieses Verfahrens
DE1924797U (de) * 1965-07-02 1965-09-30 John P Driedger Fullstoffstutzen.
US4545702A (en) * 1982-07-02 1985-10-08 Toa Grout Kogyo Co., Ltd. Boring-injection device, method for improving ground by means of the device and method for investigating ground state by means of the device
US4520051A (en) * 1984-01-03 1985-05-28 Team, Inc. Method of waterproofing a porous wall
DE3625717A1 (de) * 1986-07-30 1988-02-11 Juergen H Peter Verfahren, insbesondere zum einbringen von feuchtigkeitssperren in gebaeudewaenden
FR2605032A1 (fr) * 1986-10-14 1988-04-15 Raynaud Pierre Dispositif de distribution de liquide hydrofugeant dans les materiaux poreux.
DE3921938A1 (de) * 1989-07-04 1991-01-17 Willich F Gmbh & Co Verfahren zur stabilisierung von lockerboeden mit organomineralharzen
DE4215731A1 (de) * 1992-05-13 1993-11-18 Rene P Schmid Verfahren zum Errichten von Betonwänden mittels Verschalungen sowie Vorrichtung und Mittel zur Durchführung dieses Verfahrens
WO1995013437A1 (fr) * 1993-11-12 1995-05-18 Asahi Denka Kogyo Kabushiki Kaisha Plaque decoupee se dilatant dans l'eau

Also Published As

Publication number Publication date
DE59910808D1 (de) 2004-11-18
ATE279599T1 (de) 2004-10-15
DE19837055C2 (de) 2003-01-16
EP0980935A2 (fr) 2000-02-23
EP0980935A3 (fr) 2001-03-21
DE19837055A1 (de) 2000-03-02

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