EP0980935A2 - Procédé et dispositif pour le placement de matériaux d'infiltration derrière des éléments de construction - Google Patents

Procédé et dispositif pour le placement de matériaux d'infiltration derrière des éléments de construction Download PDF

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Publication number
EP0980935A2
EP0980935A2 EP99116236A EP99116236A EP0980935A2 EP 0980935 A2 EP0980935 A2 EP 0980935A2 EP 99116236 A EP99116236 A EP 99116236A EP 99116236 A EP99116236 A EP 99116236A EP 0980935 A2 EP0980935 A2 EP 0980935A2
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EP
European Patent Office
Prior art keywords
injection
component
materials
injection device
behind
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
EP99116236A
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German (de)
English (en)
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EP0980935A3 (fr
EP0980935B1 (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
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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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Classifications

    • 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 method and an apparatus 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. The soil is then 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.
  • the process is complex and costly.
  • holes are drilled through the components to be sealed, through which liquid sealing materials are then pressed outwards under pressure.
  • liquid sealing materials are to be distributed uniformly in the area of the borehole and to wet the component in the wide vicinity of the borehole and thus seal it
  • the boreholes are made using a grid method, ie approximately 20-30 cm apart, so that there is an uninterrupted sealing layer on the outside of the building.
  • an injection plug is usually installed in the borehole , a so-called Packer ", which can be used one or more times.
  • This dowel is firmly connected to the inside of the borehole, for example by pressing it 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 if the flow is interrupted and the injection pressure is thus interrupted.
  • This valve can also be replaced by another anti-return device, for example by a slide closing device or by clogging the flow opening, in which case the liquid sealing material is pressed through the borehole without any further guide device
  • the veil seal avoids complex excavation work, since it harbors a number of disadvantages: in the outer area of the component to be sealed, there is either the ground, insulating materials, building rubble or other substances i Introducing the sealing material through the borehole, it will first look for the way behind the borehole directly into the ground or the other existing substrates.
  • the soil is loosened and loosened and mixed with the grout by a high pressure liquid or grouting jet in a region that can be determined by the nozzle arrangement on the drilling device at the point in which consolidation or sealing is to take place
  • the liquid and the material to be injected then solidify in the areas defined by the nozzle arrangement on the drilling device.
  • a hole is made and the material to be injected is carried out in succession, but with the same device.
  • Drilling holes should also allow injection material to be injected into defined areas, which is done by nozzles radially attached to the drill pipe.
  • the invention is therefore based on the object of providing a method and a device, with which components are sealed better and permanently 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 method and a device suitable therefor the one or the use of the component to be sealed during the implementation allowed the inventive method. Yet another object of the invention is to provide a method and an apparatus that are convenient for handling in suitable for confined spaces. The device should be easy to transport and also take up little space during construction.
  • 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 according to the invention also provides that for generating an injection jet made of material to be introduced under pressure into and through the in the opening injection device located in the component is pumped.
  • the injection device is positioned in the component so that the exit area of the material from the injection device is behind the component.
  • the method according to the invention provides that the direction of introduction and wide of the material to be introduced behind the component through the shape, dimensioning, arrangement and positioning the deflection device and by varying the injection pressure can be influenced.
  • pressures in the range of 1-10 are used bar 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.
  • 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 according to the invention Materials are introduced.
  • materials which are quick are first introduced are setting and act as a water barrier, and that thereafter 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 injection device includes a tube.
  • the inside diameter of the tube is between 5 and 50 mm, preferably between 10 and 30 min.
  • 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 Deflection device a closure of the tube at one end and in the end region, at which the closure is located, preferably at least one opening in the side wall openings 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 configured differently, 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 Tube inserted, 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 pipe 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.
  • the injection device comprises at least a non-hollow rod.
  • This rod also referred to as the 'guide lance', has a length in the area from 15 cm - 120 cm, preferably between 20 cm and 80 cm, most preferably between 30 cm and 70 cm.
  • the deflection device comprises a plate which is arranged at the end of the rod and is fastened in such a way that the longitudinal axis of the rod is approximately perpendicular to the surface of the plate.
  • the dimensions of the plate depend on the dimensions of the borehole. In one embodiment, its area is in the range of 0.1 cm 2 and 20 cm 2 , preferably between 0.7 cm 2 and 7 cm 2 , more preferably between 1.5 cm 2 and 2.6 cm 2 . Their greatest extent corresponds to the diameter of the borehole, which is in the range between 5 mm and 50 mm.
  • the deflection device comprises a hinged screen.
  • the area of the screen can be in the range from 300 cm 2 to 710 cm 2 in various embodiments.
  • This embodiment according to the invention preferably provides that the deflection devices attached one behind the other with respect to the longitudinal axis of the injection device are, wherein the deflection devices preferably have passage openings.
  • 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 sealing of difficult to access components e.g. Corner, Edge and Projection areas that are not sealed with conventional methods due to their bulkiness can be made possible.
  • the pressures according to the invention lower static no existing risk Components that are, for example, in the form of elevations from basement floors or load-bearing Can express walls and in the high-pressure processes according to the prior art is observed.
  • 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 is 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 to be filled.
  • the Injection pressure should not be set too high, so that even in pores of 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 according to the invention eliminates a requirement that goes beyond what is required 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 according to the invention also achieved that the sealing material no longer as with conventional veil seals flows uncontrolled away from the borehole in the component into the soil, 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 deflecting device places the combination of pipe closure on one End and side openings
  • the deflection device the plate attached to the end of the rod (s).
  • 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.
  • Another embodiment of the invention is characterized in that its deflection device includes a hinged screen. This is inserted into the borehole and placed behind the component so that the screen can be opened there. According to the invention it is also provided that several of these deflection devices on one Rod are attached. They can have passage openings in parts of their surface which allow material to move from one screen to the other. In order to becomes an even more targeted use of the sealing materials depending on the distance the respective screen of the component is possible.
  • 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 arrangements. 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.
  • a second pipe (not shown), the outside diameter of which Corresponds to the inner diameter of the outer tube, or its inner diameter exactly that Corresponds to the outer diameter of the first tube, some or more of the Cover openings located end area, so that thereby also the direction of introduction of the Sealing material can be influenced.
  • 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 a further embodiment of the device according to the invention, the one 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.
  • 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 a little longer than the component, so that the deflection device is outside at its end of the component can be positioned.
  • Figure 3 shows a further embodiment of the device according to the invention, the 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.
  • the tarpaulin may not be vertical mounted on the rod (s), but rather the longitudinal axis of the rod (s) the surface of the tarpaulin 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 opening 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 drill holes must be or injection openings for introducing the device according to the invention differently be set. It has been shown that moisture penetration due to cracks in the component, the drill holes follow the course of the crack at intervals of approx. 10 to 50 cm be attached. On the other hand, a grid pattern is used for surface moisturizing preferred, in which the individual distances between the boreholes are 20 to 50 cm. In the event of leaky connections, e.g. Water pipes, the drill holes are placed circularly around the pipe.
  • Metal or plastic have proven to be particularly suitable materials for the invention in proved 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.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Coating Apparatus (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Disintegrating Or Milling (AREA)
  • Automatic Assembly (AREA)
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 true EP0980935A2 (fr) 2000-02-23
EP0980935A3 EP0980935A3 (fr) 2001-03-21
EP0980935B1 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)

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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
DE10118838C1 (de) * 2001-04-17 2003-05-22 Markus Nyenhuis Verfahren und Vorrichtung zur Bauwerksentfeuchtung und Behebung von an den durchfeuchteten Thermeisolationsschichten aufgetreten Wasserschäden
DE10248076A1 (de) * 2001-04-17 2004-05-06 Markus Nyenhuis Verfahren zur Bauwerksentfeuchtung und Behebung von an den Bauwerksteilen auftretenden Feuchtigkeitsschäden
DE102004013726A1 (de) * 2004-03-18 2005-10-13 Franz Britze Verfahren zur nachträglichen Abdichtung von Bauwerken gegen drückendes Wasser

Citations (7)

* 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
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.
EP0679772A1 (fr) * 1993-11-12 1995-11-02 Asahi Denka Kogyo Kabushiki Kaisha Plaque decoupee se dilatant dans l'eau
EP0725195A2 (fr) * 1992-05-13 1996-08-07 Rascor Spezialbau Gmbh Méthode et dispositif pour la construction de murs en béton avec emploi de coffrages tendus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3921938A1 (de) * 1989-07-04 1991-01-17 Willich F Gmbh & Co Verfahren zur stabilisierung von lockerboeden mit organomineralharzen

Patent Citations (7)

* 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
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.
EP0725195A2 (fr) * 1992-05-13 1996-08-07 Rascor Spezialbau Gmbh Méthode et dispositif pour la construction de murs en béton avec emploi de coffrages tendus
EP0679772A1 (fr) * 1993-11-12 1995-11-02 Asahi Denka Kogyo Kabushiki Kaisha Plaque decoupee se dilatant dans l'eau

Also Published As

Publication number Publication date
DE19837055A1 (de) 2000-03-02
DE19837055C2 (de) 2003-01-16
EP0980935A3 (fr) 2001-03-21
DE59910808D1 (de) 2004-11-18
EP0980935B1 (fr) 2004-10-13
ATE279599T1 (de) 2004-10-15

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