EP1783282B1 - Arrangement protective pour des fondations des bâtiments - Google Patents

Arrangement protective pour des fondations des bâtiments Download PDF

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Publication number
EP1783282B1
EP1783282B1 EP20060022825 EP06022825A EP1783282B1 EP 1783282 B1 EP1783282 B1 EP 1783282B1 EP 20060022825 EP20060022825 EP 20060022825 EP 06022825 A EP06022825 A EP 06022825A EP 1783282 B1 EP1783282 B1 EP 1783282B1
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EP
European Patent Office
Prior art keywords
sealing
recited
building
adhesive
overlap
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
EP20060022825
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German (de)
English (en)
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EP1783282A1 (fr
Inventor
Franz Turtenwald
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.)
TURTENWALD, RUEDIGER
Original Assignee
Btf Produktionsentwicklungs- und Vertriebs- GmbH
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Application filed by Btf Produktionsentwicklungs- und Vertriebs- GmbH filed Critical Btf Produktionsentwicklungs- und Vertriebs- GmbH
Publication of EP1783282A1 publication Critical patent/EP1783282A1/fr
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Publication of EP1783282B1 publication Critical patent/EP1783282B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E02D31/04—Watertight packings for use under hydraulic pressure

Definitions

  • the invention relates to a pressurized waterproof Bauwerkabdichtungssystem for producing an outside seal especially underground parts of buildings, for example cellars or underground garages, against damming and pressing water, with cold-bonded sealing membranes butyl-based, which are permanently fastened by gluing to a building exterior and connected together at their edges ,
  • the invention also relates to a sealing sheet and a sealing element for such a sealing system and a corresponding assembly method.
  • Such sealing systems are also referred to as the color of the geomembranes used for this purpose because of what is commonly referred to as a "black trough".
  • bitumen, polymer bitumen membranes, plastic or elastomer waterproofing membranes according to DIN 1895-6 are processed in several layers.
  • the processing regulations for damming and pressurized water according to this DIN provide a considerable installation effort.
  • the geomembranes must be provided with intermediate layers to stabilize the geomembranes themselves. This results in a layer structure of the seal comprising at least three layers.
  • the joints of the geomembranes must be connected to each other with great care to ensure permanently waterproof and stable connections of the geomembranes at their edges. Accordingly, outer and inner corners, outer and inner edges as well as horizontal and vertical terminations of the sealing system cause a further considerable assembly effort. Because the "black tub" is no longer accessible for repairs after installation, the sealing system must provide multiple protection against the passage of water.
  • Geomembranes which are applied by means of welding processes (welding paths), at least partially expand due to the intense heating during installation initially strong, are installed in the stretched state and then cool down again. As a result, the welding tracks get under tension after installation. As a result of material stress during installation and / or aging may or at least arise hairline cracks that weaken the sealing system in this area considerably. This can lead to a deterioration in the quality of the sealing system and leaks as a result even during installation. A building sealing system accordingly
  • the preamble of claim 1 is made DE 100 37 192 A1 known.
  • Object of the present invention is therefore to provide a sealing system, on the one hand provides a reliable sealing of a building part against jamming and / or oppressive water, but on the other hand requires only a small material and installation costs.
  • this object is achieved in a structural waterproofing system of the type mentioned by an additional butyl-based sealing element for mounting the compounds.
  • the sealing system is composed of several, usually vertically installed geomembranes, which are to connect at their edges. This connection is usually achieved by an overlap of the geomembranes; which for safety reasons has a width of about 40 to 100 mm, preferably of 80 mm. The highest attention must be paid to the formation of these connections, because the quality of their design determines the quality of the entire waterproofing system.
  • the overlap according to the invention has an additional sealing element for the pressure-water-tight connection of the geomembranes.
  • Butyl is also water-repellent under pressure, as it is small-pore and non-porous. An intrusion of water or water vapor in the adhesive layer, which could lead to a separation of the geomembrane, for example, from its base under permanent action, is thus effectively met. Because in investigations has become pointed out that the simple overlapping bonding of the geomembranes at their edges, especially at corners and edges, does not provide the necessary security against the passage of water at the joints. The insertion of an additional sealing element, however, has proved in numerous experiments that it ensures the required multiple security of the compounds of the geomembranes against each other against the passage of water according to DIN.
  • the attachment and connection of the geomembranes by means of cold welding has the advantage that the sealing material thermal stresses during assembly remain spared.
  • the geomembranes are therefore subject to no physical changes during assembly, which could lead to aging or even weakening of the material and thus to a deterioration in the quality of the waterproofing system with the risk of leaks.
  • Butyl automatically offers a high level of stability, so that no additional fastening means are required for the installation of the geomembrane and the additional sealing element.
  • the geomembranes and the additional sealing element reliably maintain their required position under normal conditions on site, because butyl can be processed in this application in a temperature range of -5 ° to + 70 ° C, so even under high heat, for example by sunlight.
  • the sealing sheets comprise a polyethylene film. This material has the advantage that it is flexible, waterproof, pressure water resistant and as water repellent as butyl. This material therefore withstands water or water vapor damage for many years.
  • the application of adhesive is required. It can basically be applied in a separate step.
  • the geomembranes are self-adhesive.
  • they have a butyl-based full-surface adhesive film on their future side facing the building. This facilitates the installation of the sealing system, since the application of the adhesive to the building part can be dispensed with, namely, a separate assembly step.
  • the materials according to the invention offer the advantage of a self-adhesive finish because the polyethylene of the geomembrane crosslinks very well with the butyl of the adhesive layer. Both materials are also water repellent and very fine pored.
  • the waterproofing system offers a considerable installation advantage through time and effort savings.
  • the self-adhesive side of the construction facing the side of a first sealing strip is located on the non-self-adhesive side of the building facing away from a second sealing strip.
  • the geomembrane sticks to geomembrane. Due to the nature of the material, the result is a homogeneous fusion of the geomembranes over the entire width of the overlap between each other within a short time.
  • the quality of each bond depends crucially on the surface condition of the two adhesive surfaces to be joined together.
  • the surface of the geomembrane and the adhesive layer applied to it can be factory-made in the desired quality and can therefore be precisely defined.
  • the effectiveness of the adhesive layer can be ensured by a cover with an anti-adhesive coating, a protective film or paper. It protects the butyl coating against unwanted premature activation. It is detachable by hand so that it can be easily removed during installation on the construction site.
  • To mount the waterproofing membrane the individual waterproofing membrane can be aligned in their future location after a possible cutting deducted the adhesive protective coating, the self-adhesive activated by and then the geomembrane are fixed in their intended position.
  • the sealing system comprises a primer for the mounting surface of the building part to be sealed.
  • the primer or primer improves the building-side adhesive surface, thus ensuring even more reliable adhesion between the exterior of the building and the waterproofing membrane. This measure requires less installation effort than the application of adhesive to the building wall.
  • the sealing system comprises a closure band for sealing attachment to the upper and / or lower horizontal edges or seams.
  • a closure band for sealing attachment to the upper and / or lower horizontal edges or seams.
  • the thickness of the polyethylene film of the geomembrane depends on the one hand on the sustained by her stresses during their use case and on the other from an economic point of view.
  • the polyethylene film has a thickness between 150 and 50 .mu.m, preferably between 120 and 80 .mu.m, in particular of 100 .mu.m. In this thickness, the polyethylene film withstands all the usual expected loads and the cost of the sealing system in the frame.
  • the thickness of the adhesive layer should be such that on the one hand it ensures a good bond with the polyethylene film and on the other hand it ensures a reliable bonding of the waterproofing membrane to the building surface.
  • the butyl coating has a thickness of about 0.5 to 3 mm, preferably of 1.0 mm, in numerous experiments could be found that this thickness is required, but also sufficient for the adhesive layer with Both Klebepartnem enters a reliable connection.
  • the connections between the individual geomembranes represent a weak point in every sealing system.
  • the sealing element is interrupted and must be assembled absolutely tight under the often unfavorable site conditions.
  • the object mentioned above is therefore also achieved by an additional sealing element which is designed for mounting in the overlapping regions of the geomembranes.
  • a throat forms between the upper side of the lower geomembrane and an end face of the upper geomembrane. On or in this throat, the additional sealing element is placed and pressed.
  • an additional element is used which absorbs minor imperfections in the formation of the overlaps and in particular mechanical loads in the joint region of the geomembranes.
  • the adhesive layer gets hairline cracks, in which water or water vapor can penetrate and damage the adhesive bond.
  • the invention remedy by creating by the arrangement of an additional butyl-based sealing element, a concentration of material, on the one hand has a thickness and on the other hand, an elasticity that precludes the formation of hairline cracks.
  • the required security against penetration of water is also ensured at the sensitive overlapping areas and in particular at those which have to be guided over corners and edges.
  • the additional sealing element causes the already mentioned good crosslinking with the polyethylene film on the one hand and a "homogeneous weld" with the butyl layer of the geomembranes and the additional sealing element within about 10 Minutes on the other hand. After completion of this process is thus therefore also at the junction of a homogeneous and continuous material education, which reliably prevents penetration of water.
  • the additional sealing element has to be adapted to different building shapes. In addition, it must be ensured that it completes the overlapping area of the geomembranes completely, completely and consistently. According to a further advantageous embodiment Therefore, the invention is the additional sealing element plastically deformable. This feature further facilitates its processing and ensures that by pressing the sealing sheets of the overlapping area, the additional sealing element reliably forms a continuous connection with both sealing sheets over the entire length of the overlapping area.
  • the additional sealing element has a circular cross section with a diameter of about 8 mm. It is ideally a round cord with a generally elongated cylindrical shape. The diameter of the round cord is chosen so that it allows a winding of the round cord, which ensures a space-saving storage on the one hand and easy handling of the additional sealing element during its processing.
  • an adhesive protective film is first removed when using self-adhesive geomembranes before their assembly and then adhered the geomembrane on the outside of the building.
  • the application of an adhesive layer and the subsequent sticking of the geomembrane take place alternately. It is inevitable that already equipped with adhesive surfaces are exposed for a long time untreated and uncovered the weather, whereby the bond strength of the adhesive can be impaired, especially in adverse weather conditions.
  • peeling off an adhesive protective film of a self-adhesive waterproofing membrane on the other hand, relatively small areas of adhesive surfaces can always be activated, which are then processed immediately. Due to the system, the activated areas of the adhesive surfaces are protected against direct weather influences by the geomembrane above them. As a result, an almost consistently good quality of the bond can be achieved even on the relatively large surface of a geomembrane.
  • a primer is applied to the exterior of the building before the first assembly step. This can improve the substrate of the geomembrane and achieve a uniform good quality of bonding over the entire surface to be sealed.
  • a sealing sheet 1 of the inventive sealing system is in FIG. 1 shown. It consists essentially of a polyethylene film 2, which represents the sealing element of the geomembrane 1 and gives it the necessary stability.
  • the geomembrane 1 On its in the assembled state facing the building side, the geomembrane 1 carries a polymer-bitumen film 3, with which the geomembrane 1 can be glued to the part of the building to be sealed. He represents an adhesive layer, which is dimensioned in their adhesive force so that they can hold the weight of the geomembrane 1 without further fastening means in a vertical mounting position. To protect against premature and unwanted activation of the adhesive layer 3, it is covered over its entire surface with a protective film 4.
  • the adhesive protective film 4 consists of a material which does not enter into a permanent connection with the adhesive layer 3, so that it can be separated manually from the geomembrane 1 at any time. On the other hand, the adhesive protective film 4 adheres so well to the adhesive layer 3 that it can be processed together with the geomembrane 1, in particular rolled and assembled, without it being detached or displaced from the geomembrane 1.
  • the geomembrane 1 has a tough-elastic consistency. Their assembly is possible by hand with a sharp knife, for example a carpet knife.
  • the quality of the adhesive bond between geomembrane 1 and a part of the building to be sealed depends on the one hand on the quality of the adhesive layer 3 and on the other on the surface of the building part to be bonded. While the quality of the adhesive layer 3 is uniformly good due to the production, the surface quality of the building part to be sealed can vary greatly FIG. 2 shows a building wall 5, to which therefore a primer 6 is applied. He ensures a uniform and favorable for the interaction with the adhesive layer 3 surface texture. In order for the primer 6 to adhere securely, the building part 5 must be dry, dust-free and clean. The primer 6 is applied thinly and evenly with a solvent-resistant roll, without causing large amounts of primer, for example, remain in bumps in the surface of the building part 5. For an optimal connection of the primer 6 with the adhesive layer 3 of the geomembrane 1, the primer 6 must not be completely cured, but should be able to react with the adhesive layer 3 of the geomembrane 1 within one hour.
  • the geomembrane 1 At corners, edges and throats of the sealed building part, the geomembrane 1 must be kinked. Since the geomembrane 1 is difficult to handle in large dimensions, the corners, edges and throats of the building are pretreated separately, such as FIG. 3 shows. With appropriately cut strips 7 of the geomembrane 1 with a width of about 20 cm, an inner edge 8 is pasted in advance. Due to its small dimension of only 20 cm width, the strip 7 can be processed easier, in particular in the throat of the inner corner 8 press and roll on the ground. The procedure is analogous to outer edges and inner and outer corners.
  • the already cut and cut to length geomembrane 1 is laid starting at an upper edge 9 of the building part by the adhesive protective film 4 initially removed in a range of about 50 cm and the geomembrane 1 is fixed in position with the freed area of the adhesive layer 3 on the building part 5.
  • the geomembrane 1 is first aligned and then on the building part. 5 pressed.
  • the adhesive protective film 4 is slowly and evenly withdrawn and at the same time the waterproofing membrane 1 carefully and preferably without inclusion of air bubbles on the building part 5 glued and pressed.
  • the geomembranes 1 are overlapped at their vertical edges in a strip-shaped region of about 80 mm wide.
  • the overlaps 10 formed thereby are to be designed with particular care, since they may represent a weak point of the Abdidtungssystems in case of poor design.
  • the uniform pressing of the overlap 10 is advantageously carried out by a hand-held roller, with which the overlaps 10 are rolled.
  • a sectional view through an overlap 10 shows FIG. 7 , A left-hand geomembrane 1a lies flat on the building part 5 and is overlapped by a right-hand geomembrane 1b in a width of approximately 80 mm. As a result, a step 16 forms with a throat 17. To increase the tightness of the overlaps 10, a round cord 15 is inserted into the throat 17 as an additional sealing element. It additionally seals the transition between the left-hand geomembrane 1a and the right-hand geomembrane 1b. Due to the high mass concentration in the region of the overlap 10, the tightness between the two sealing sheets 1a and 1b is reliably ensured. Then the round cord 15 is pressed evenly (FIG. FIG. 8 ).
  • FIG. 9 shows the attachment of an upper end 11 of the geomembrane 1, as prescribed by DIN, but for the reliable operation of the geomembrane 1 is structurally not absolutely necessary.
  • a closing tape 13 is glued to the primer 12 as a sealing element, as it FIG. 10 shows.
  • About half of the width of the end strip 13 is applied to the upper end 11 of the geomembrane 1, the other half is glued to the primed building part 5.
  • the closure strip 13 consists essentially of the same material as the sealing sheet 1.
  • the lower end of the geomembrane 1 is sealed in the bottom plate area with an additional sealing strip against rising moisture (not shown).

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (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)
  • Building Environments (AREA)
  • Tents Or Canopies (AREA)

Claims (16)

  1. Système d'étanchement de construction pour réaliser un étanchement sur la face extérieure, en particulier de parties de bâtiment souterraines, comportant une colle (3) sur base de butyle et des bandes d'étanchéité (1) susceptibles de coller à froid qui peuvent être fixées de manière durable par la colle sur une face extérieure de bâtiment et reliées les unes aux autres sur leurs bords, caractérisé par un élément d'étanchéité (15) additionnel sur base de butyle pour le montage au niveau des liaisons (10) de leurs bords, les liaisons (10) pouvant ainsi être équipées de manière résistante à l'eau sous pression contre de l'eau qui s'accumule et qui exerce une pression.
  2. Système d'étanchement selon la revendication 1, caractérisé en ce que les bandes d'étanchéité (1) comprennent une feuille de polyéthylène (2).
  3. Système d'étanchement selon l'une des revendications précédentes, caractérisé en ce que les bandes d'étanchéité (1) sont réalisées autocollantes à froid avec un film adhésif (3) à base de butyle sur toute la surface.
  4. Système d'étanchement selon l'une des revendications précédentes, caractérisé en ce qu'il comprend une couche préliminaire (6) pour la face extérieure de la partie de bâtiment (5) à étancher.
  5. Système d'étanchement selon l'une des revendications précédentes, caractérisé en ce qu'il comprend des éléments d'étanchéité (13) pour le montage sur des jointures/arêtes horizontales (11) supérieures et/ou inférieures.
  6. Système d'étanchement selon l'une des revendications 2 à 5, caractérisé en ce que la feuille de polyéthylène (2) présente une épaisseur entre 150 et 50 µm, de préférence entre 120 et 80 µm, en particulier 100 µm.
  7. Système d'étanchement selon l'une des revendications 3 à 6, caractérisé en ce que la couche de butyle (3) présente une épaisseur d'environ 0,5 à 3 mm, de préférence de 1,0 mm.
  8. Système d'étanchement selon l'une des revendications 3 à 7, caractérisé en ce que la couche de butyle (3) est pourvue d'une couche de protection adhésive (4) détachable.
  9. Procédé de montage pour réaliser un étanchement de bâtiment étanche à l'eau sous pression dans un procédé de soudure à froid avec un système d'étanchement selon l'une des revendications 1 à 8, comportant les étapes de montage suivantes:
    a) coller une première bande d'étanchéité (1 ) sur une face extérieure de bâtiment (5),
    b) coller une autre bande d'étanchéité (1) sur la face extérieure de bâtiment (5), de telle sorte que ses bords se chevauchent avec la première bande d'étanchéité et les uns aux autres,
    c) étancher le chevauchement par appolication de l'élément d'étanchéité (15) additionnel dans la zone du chevauchement (10).
  10. Procédé selon la revendication précédente, caractérisé en ce que dans l'étape a), une bande d'étanchéité (1) autocollante à froid est collée sur la face extérieure de bâtiment (5).
  11. Procédé selon la revendication précédente, caractérisé que dans l'étape a), dans le cas d'une bande d'étanchéité (1) autocollante à froid, une feuille de protection adhésive (4) est retirée, et la bande d'étanchéité (1) est ensuite collée sur la face extérieure de bâtiment (5).
  12. Procédé selon l'une quelconque des revendications de procédé précédentes, caractérisé en ce qu'avant l'étape a), une couche préliminaire (couche de fond) (6; 12) est appliquée sur la face extérieure de bâtiment (5).
  13. Procédé selon l'une quelconque des revendications de procédé précédentes, caractérisé en ce que le chevauchement (10) dans l'étape b) présente une largeur d'au moins 40 mm, de préférence de 60 mm, de préférence particulière de 80 mm.
  14. Procédé selon l'une quelconque des revendications de procédé précédentes, caractérisé en ce qu'après la dernière étape c), les bords horizontaux (11) de l'étanchement sont pourvus d'éléments d'étanchéité (13).
  15. Procédé selon l'une quelconque des revendications de procédé précédentes, caractérisé en ce que la cannelure (17) du chevauchement (10) est recouverte par l'élément d'étanchéité additionnel, en particulier par un joint torique (15) en matériau plastiquement déformable.
  16. Utilisation d'un élément d'étanchéité additionnel à base de butyle au niveau du chevauchement de deux bandes d'étanchéité, en particulier dans un procédé selon l'une des revendications 9 à 15.
EP20060022825 2005-11-02 2006-11-02 Arrangement protective pour des fondations des bâtiments Not-in-force EP1783282B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510052593 DE102005052593B4 (de) 2005-11-02 2005-11-02 Druckwasserbeständiges Bauwerksabdichtungssytem und Montageverfahren dafür

Publications (2)

Publication Number Publication Date
EP1783282A1 EP1783282A1 (fr) 2007-05-09
EP1783282B1 true EP1783282B1 (fr) 2012-06-27

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EP20060022825 Not-in-force EP1783282B1 (fr) 2005-11-02 2006-11-02 Arrangement protective pour des fondations des bâtiments

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DE (1) DE102005052593B4 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011054523A1 (de) * 2011-10-17 2013-04-18 Hydrophon Kunststofftechnik Gmbh Dichtungsset für Nasszellen und dergleichen
SE2251084A1 (en) * 2022-09-19 2024-03-20 Illigo Ab Method of renovating wet room construction element, and renovated wet-room construction element

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3304954C2 (de) * 1983-02-12 1986-10-16 Deutsche Asphalt Gmbh, 6000 Frankfurt Verbundbahn für Bauwerksabdichtungen, insbesondere Brückenabdichtungen
DE9301440U1 (fr) * 1993-02-03 1993-04-01 Ortwin M. Zeissig Gmbh & Co. Kg, 4330 Muelheim, De
DE29609679U1 (de) * 1996-05-31 1997-10-02 Bischof & Klein Selbstklebende Dichtungsbahn zum Feuchtigkeitsschutz von Bauten
US6479117B1 (en) * 1998-07-16 2002-11-12 Aaron R. Phillips Combined waterproofing sheet and protection course membrane
DE20014678U1 (de) * 2000-02-08 2001-01-18 Sagenschneider Frank Fundamentabdichtung durch Kautschukplane
DE10037192C2 (de) * 2000-07-31 2003-12-18 Schomburg Gmbh & Co Kg Verfahren zum Absperren der Fuge zwischen aneinandergefügten Dichtbahnen
NL1017991C2 (nl) * 2000-09-26 2002-03-27 Kreunen Kunststoffen B V Slabbe.
DE10220605A1 (de) * 2002-05-08 2003-12-04 Kirchner Fraenk Rohr Abdichtvorrichtung für Bauwerke
DE20207877U1 (de) * 2002-05-22 2002-09-26 Btf Produktentwicklungs Und Ve Abdichtbahnmaterial

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DE102005052593A1 (de) 2007-05-16
EP1783282A1 (fr) 2007-05-09
DE102005052593B4 (de) 2008-02-28

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