EP2322722A1 - Dispositif destiné à étanchéifier un passage organisé d'un élément de perçage dans une bande de joint - Google Patents

Dispositif destiné à étanchéifier un passage organisé d'un élément de perçage dans une bande de joint Download PDF

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Publication number
EP2322722A1
EP2322722A1 EP09175821A EP09175821A EP2322722A1 EP 2322722 A1 EP2322722 A1 EP 2322722A1 EP 09175821 A EP09175821 A EP 09175821A EP 09175821 A EP09175821 A EP 09175821A EP 2322722 A1 EP2322722 A1 EP 2322722A1
Authority
EP
European Patent Office
Prior art keywords
layer
sealing
mounting plate
schott
penetrating
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.)
Withdrawn
Application number
EP09175821A
Other languages
German (de)
English (en)
Inventor
Ulrich Weber
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.)
Sika Technology AG
Original Assignee
Sika Technology AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sika Technology AG filed Critical Sika Technology AG
Priority to EP09175821A priority Critical patent/EP2322722A1/fr
Priority to EP10779516A priority patent/EP2499304A1/fr
Priority to PCT/EP2010/067075 priority patent/WO2011057996A1/fr
Publication of EP2322722A1 publication Critical patent/EP2322722A1/fr
Withdrawn legal-status Critical Current

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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
    • E04B1/66—Sealings
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/16—Sealings or joints
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B5/00—Artificial water canals, e.g. irrigation canals
    • E02B5/02—Making or lining canals
    • 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

Definitions

  • the present invention relates to a device for sealing a breakthrough element associated breakthrough in a geomembrane in the construction sector.
  • the building wall When constructing a concrete structure in the water, the building wall is initially covered on the inside typically with a geomembrane to prevent ingress of water into the ground. This is particularly important if there are cavities in the subsurface, which are located below the waterline of the channel, as is the case for example in underground garages or basements of buildings close to the canal. Typically, there is a shell next to the building wall, to which the water connects.
  • a tension- and shear-resistant anchor system In order to ensure a stable anchoring of the shell with the channel wall provided with the sealing membrane, a tension- and shear-resistant anchor system must be introduced into the channel wall. The introduction of such an anchor system has the consequence that the geomembrane is broken at several points of the projecting from the channel wall to the outside and fastened in this connection elements of the anchor system. The openings provided in the geomembrane must now be reliably sealed again, to prevent ingress of the water, which Shell has to penetrate, by the geomembrane itself to prevent.
  • One of the applicant internally known device for sealing such breakthroughs has a mounting plate which rests on the side facing away from the armature system of the geomembrane on the geomembrane and thus comes to rest over the opening in the geomembrane and this closes. Between the contact point of the mounting plate and sealing membrane, a sealing ring can additionally be attached.
  • the problem with the described approach is that the measures taken are not completely sufficient to ensure a particularly long-term tightness, as required in sewer construction.
  • the material of said seal ring can tire with time and on the other hand, the water can succeed after some time to penetrate between the mounting plate and the sealing sheet, or between the mounting plate and the sealing ring, or between the sealing ring and the sealing membrane for breakthrough and thus to pass the sealing layer, especially at a relatively high water pressure. This is undesirable because over time this can lead to corrosion of the anchors and, moreover, the water is able to penetrate cavities in the subsurface.
  • An object of the present invention is to improve a device for sealing an anchor associated breakthrough in a geomembrane in that a tightness over a longer period and / or at a higher water pressure is ensured.
  • a device 1 for sealing a bulkhead 2 attached to a substrate 3 in the construction sector, in particular in the area of water bodies.
  • Such a device is for example in the Figures 1 to 5b shown.
  • the device has at least one penetrating element 4, which penetrates the Schott layer.
  • the device has an anchor element 5, which is connectable to the substrate and in which a portion 6 of the penetrating element 4 can be accommodated.
  • the device has a mounting plate 7, via which, by means of the penetrating element, the Schott layer is connectable to the anchor element, wherein the mounting plate has a cross section which is designed such that it forms in contact with the Schott layer a gap 8, which forms the Penetration point 9 of the penetrating element through the Schott layer comprises.
  • the mounting plate further includes a sealing device 16 for the gap.
  • the idea underlying the present invention is that the penetration point 9 can be closed fluid-tight due to the sealing device 16.
  • the sealing device is a connecting section 10, in particular an injection valve
  • the penetration point can be closed in a fluid-tight manner by an injection material 14, which can reach the penetration point through the connecting section.
  • the central passage point is closed directly by the Schott layer.
  • the injection material may close further openings, through which water could reach the penetration point, for example, openings between Penetration element and mounting plate or mounting plate and Schott layer.
  • the sealing device is a water-swelling body 18
  • possible openings through which water might penetrate to the penetration point for example openings between the penetrating element and mounting plate or mounting plate and bulkhead layer, are closed by the swelling material and the central point of passage penetrates through the Schott layer Protected water.
  • FIG. 1 a device according to the invention is shown and shows a device 1 for sealing a mounted on a substrate 3 bulkhead 2 in the construction sector, especially in Geissesserbau Scotland.
  • the device has at least one penetrating element 4, which penetrates the Schott layer.
  • the device has an anchor element 5, which is connectable to the substrate and in which a portion 6 of the penetrating element 4 can be accommodated. Furthermore, the device has a mounting plate 7, via which, by means of the penetrating element 4, the Schott layer is connectable to the anchor element, wherein the mounting plate has a cross section which is designed such that it forms a gap 8 in contact with the Schott layer, which includes the penetration point 9 of the penetrating element through the Schott layer.
  • the mounting plate further includes a sealing device 16 for the gap.
  • the penetrating element 4 is a tensioning means.
  • the penetrating element is a screw.
  • the penetrating element serves as a support or anchoring element for a building material 17 to the mounting plate. 7 facing side of the Schott layer, which can be attached to the mounting plate 7 facing side of the Schott layer.
  • the penetrating element may be the primary supporting or anchoring element for a building material or may primarily provide the bond with the mounting plate, which in turn constitutes the primary support or anchoring element, typically due to support members 15 which are on the side facing away from the anchor element 11 of the mounting plate are arranged.
  • the penetrating element has a section 6, which can be received by the anchor element 5.
  • This is, for example, a thread in the anchor element, which can receive the penetrating element.
  • the Schott layer is clamped due to the penetrating element 4 between anchor element and mounting plate.
  • the penetrating element is a screw
  • the bulkhead layer 4 between the anchoring element and the fastening plate can be clamped on account of the penetrating element, for example by tightening via a thread in the anchoring element. This is to the advantage that thereby the desired pressure of the mounting plate can be adjusted to the Schott layer.
  • the mounting plate 7 is preferably circular. This achieves a uniformly distributed contact pressure around the penetration point 9.
  • the attachment plate is preferably made of a material which is sufficiently rigid to withstand the forces of sealing the bulkhead layer 4, particularly when clamping between anchor element and attachment plate by a screw.
  • the mounting plate is made of a metal, in particular of steel, particularly preferably stainless steel.
  • the mounting plate has a sealing device 16 for the gap.
  • the sealing device 16 can be a connecting section 10, in particular an injection valve, as described in US Pat FIG. 1 is shown.
  • the connecting portion 10 serves to introduce injection material 14 into the intermediate space 8 between the fastening plate and the Schott layer, in particular to the penetration point 9.
  • the penetration point 9 can thereby be closed in a fluid-tight manner.
  • an injection valve is a valve that allows the flow of injection material toward the gap, but prevents flow in the opposite direction.
  • the mounting plate further comprises a vent valve 19 through which air present in the intermediate space or gases emerging during curing of the injection material can escape.
  • the injection material closes the penetration point 9 in a fluid-tight manner after introduction into the intermediate space 8. It is also advantageous if the injection material hardens after introduction into the intermediate space 8 and thereby expands and / or is water-swelling in the hardened state.
  • the injection material is preferably selected from the list consisting of polyurethane, epoxy resin, acrylates and mineral binder.
  • the mineral binders are typically cement-based binders. It may be particularly advantageous to combine injection materials, also referred to below as sealants, with each other. Some of these sealants have an independent spectrum of properties. A first group form the non-positive sealing means, a second group form the expandable sealing means and a third group form the water-swellable sealant.
  • the second group of expandable sealants includes the polyurethanes and the third group of swellable sealants include the polyacrylates.
  • Organic materials as sealants such as polyurethane or polyacrylate can be in contrast to the cementitious sealant by means of accelerating substances in the setting very variable in their response from a few seconds to several hours and can due to their flexible properties movements within the filler to a limited extent harmless take up.
  • Water-based systems such as conventional acrylate systems or special hydrophilic polyurethanes (polyurethane gels) are advantageous because of their swelling behavior.
  • cementitious materials as sealants in the unbonded state may also be advantageous to mix cementitious materials as sealants in the unbonded state with plastic dispersions in order to positively influence the flowability, solidification and processing properties of the still flowable sealant.
  • Swelling and / or stretchable sealants are advantageous in that they are able to seal reliably after they have penetrated into small joints and / or cracks.
  • the sealants show no shrinkage effect during setting.
  • the sealant contains water-swellable materials.
  • water-swellable materials are understood which upon contact with water increase their volume to a multiple, typically between 200-1000% of the original volume.
  • certain water-swellable materials can also chemically react with water.
  • examples of such water-swellable materials are polyurethane-based bulking agents, in particular silane-modified polymers which cure to an elastic product by moisture.
  • Another example of such swelling agents are bentonite-butyl rubbers.
  • the injection material in the hardened state has good adhesion to the Schott layer and / or to the penetrating element, in particular to both.
  • the injection material is particularly preferably Sika® Injection series products, such as Sika® Injection-201 CE, Sika® Injection-201 RC, Sika® Injection-203, Sika® Injection-451, Sika® Injection-304, Sika ® Injection-305, Sika ® Injection-306, Sika ® InjectoCem series such as Sika ® InjectoCem-190 or Sikadur ® -52 Injection.
  • Sika® Injection series products such as Sika® Injection-201 CE, Sika® Injection-201 RC, Sika® Injection-203, Sika® Injection-451, Sika® Injection-304, Sika ® Injection-305, Sika ® Injection-306, Sika ® InjectoCem series such as Sika ® InjectoCem-190 or Sikadur ® -52 Injection.
  • this can be injected into the intermediate space 8 by means of a one- or two-component pump via filling and injection hoses (injection packer) under pressure.
  • the sealing device 16 may be a water-swelling body 18, as shown in FIG FIG. 2 and FIG. 3 is shown. If the sealing device is a water-swelling body, then possible openings through which water could penetrate to the penetration point, for example openings between penetrating element and fastening plate or fastening plate and bulkhead layer, are closed by the swelling material and the central point of passage through the Schott layer is prevented from penetrating water protected.
  • FIG. 2 shows the situation of a water-swelling body from contact with moisture
  • FIG. 3 after contact with water 20, which passes through openings between the penetrating element and mounting plate and mounting plate and Schott layer could penetrate.
  • the water-induced swelling leads to a closure and sealing of the openings.
  • the water-swelling body preferably consists of the same water-swellable materials as previously described.
  • the Schott layer 2 may consist of all materials which ensure sufficient tightness even at high liquid pressures.
  • the Schott layer 2 has a high resistance to water pressure, and shows good values in tear propagation tests and perforation tests, which is particularly advantageous in the case of mechanical loads on construction sites.
  • the Schott layer 2 is a thermoplastic layer, preferably a polyethylene layer. This results in a high resistance to environmental influences.
  • the bulkhead layer 2 is selected from materials selected from the group consisting of high density polyethylene (HDPE), medium density polyethylene (MDPE), low density polyethylene (LDPE), polyethylene (PE), polyethylene terephthalate (PET), polystyrene (PS ), Polyvinyl chloride (PVC), polyamides (PA), ethylene-vinyl acetate (EVA), chlorosulfonated polyethylene, thermoplastic polyolefins (TPO), ethylene-propylene-diene rubber (EPDM), and mixtures thereof.
  • HDPE high density polyethylene
  • MDPE medium density polyethylene
  • LDPE low density polyethylene
  • PE polyethylene
  • PET polyethylene terephthalate
  • PS polystyrene
  • PVC Polyvinyl chloride
  • PA polyamides
  • EVA ethylene-vinyl acetate
  • TPO thermoplastic polyolefins
  • EPDM ethylene-propylene-diene rubber
  • the Schott layer 2 may have a thickness of 0.1 to 10 mm, in particular 0.5 to 2.5 mm, preferably 0.8 to 1.5 mm.
  • FIG. 4 a further device according to the invention is shown and shows a device 1, wherein the cross section of the mounting plate is designed such that its edge portion 12 is curved against the anchor member and rests in contact with the Schott layer on this annular.
  • the cross section of the mounting plate is designed such that its edge portion 12 is curved against the anchor member and rests in contact with the Schott layer on this annular.
  • the device may further comprise a protective layer 13, which is arranged on the armature element 5 facing side of the mounting plate and comes to lie in connection of the device with the Schott layer between the mounting plate and the Schott layer.
  • This protective layer can protect the bulkhead layer from damage by the mounting plate and provide a more uniform contact pressure through the mounting plate, by balancing non-uniform support points of the mounting plate.
  • the protective layer is preferably made of the same material as the Schott layer.
  • the protective layer is bonded by gluing or welding to the Schott layer.
  • liquid concrete When attaching building material 17, it is preferable to apply liquid concrete to the side of the Schott layer 2 facing the fastening plate 7 or to fasten a structural construction, in particular to the fastening plate 7 and / or the penetrating element 4.
  • a formwork is usually attached at a sufficient distance on the mounting plate 7 facing side of the bulkhead layer and given the liquid concrete between the formwork and the bulkhead.
  • liquid concrete is sprayed concrete, shuttering is usually unnecessary and the concrete is sprayed directly onto the bulkhead layer.
  • a protective layer is to be arranged between the fastening plate and the Schott layer, it is advantageous if a protective layer 13 is applied between the anchor element 5 and the Schott layer 2 and / or between the fastening plate 7 and the Schott layer 2 before attaching the fastening plate 7.
  • the protective layer is welded or glued to the Schott layer.
  • the sealing device 16 of the device is a connecting section 10
  • the sealing of the intermediate space 8 by means of a sealing device can take place by introducing an injection material 14 through the connecting section 10 into the intermediate space 8.
  • an injection material 14 is an injection material as described above.
  • Particularly preferred are those injection materials which were previously described as being preferred.
  • the sealing device 16 of the device is a water-swelling body 18, the sealing of the gap 8 by means of a sealing device can take place by introducing the water-swelling body into the intermediate space.
  • the water-swelling body is made of a material as previously described. Especially preferred are those water swellable materials, which were previously described as preferred.
  • FIGS. 5a and 5b show the inventive devices in the installed state.
  • the two devices are cast in a subsequent to the Schott layer shell 21 made of cement, followed by water 20.
  • the shell is firmly connected to the ground due to the penetrating elements and the mounting plates.
  • the upper mounting plate has a plurality of support elements 15, which contributes to a broad distribution of the load, respectively anchoring load.
  • the lower mounting plate was screwed onto the penetrating element, which also serves as a carrier element in the shell due to its length.
  • FIG. 5b shows a shell 21, to which water 20 connects, which is connected by the support members 15 with the substrate 3.
  • the shell may for example be composed of prefabricated elements such as concrete slabs.
  • Another aspect of the invention relates to a building comprising a device according to the invention.
  • Such structures are possible in the entire construction sector, where a bulkhead, which is pierced by penetrating elements, at the penetration points against oppressive liquids, must be sealed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Ocean & Marine Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Building Environments (AREA)
EP09175821A 2009-11-12 2009-11-12 Dispositif destiné à étanchéifier un passage organisé d'un élément de perçage dans une bande de joint Withdrawn EP2322722A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP09175821A EP2322722A1 (fr) 2009-11-12 2009-11-12 Dispositif destiné à étanchéifier un passage organisé d'un élément de perçage dans une bande de joint
EP10779516A EP2499304A1 (fr) 2009-11-12 2010-11-09 Dispositif pour étancher un perçage associé à un élément de perçage dans une bande d'étanchéité
PCT/EP2010/067075 WO2011057996A1 (fr) 2009-11-12 2010-11-09 Dispositif pour étancher un perçage associé à un élément de perçage dans une bande d'étanchéité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09175821A EP2322722A1 (fr) 2009-11-12 2009-11-12 Dispositif destiné à étanchéifier un passage organisé d'un élément de perçage dans une bande de joint

Publications (1)

Publication Number Publication Date
EP2322722A1 true EP2322722A1 (fr) 2011-05-18

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP09175821A Withdrawn EP2322722A1 (fr) 2009-11-12 2009-11-12 Dispositif destiné à étanchéifier un passage organisé d'un élément de perçage dans une bande de joint
EP10779516A Withdrawn EP2499304A1 (fr) 2009-11-12 2010-11-09 Dispositif pour étancher un perçage associé à un élément de perçage dans une bande d'étanchéité

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10779516A Withdrawn EP2499304A1 (fr) 2009-11-12 2010-11-09 Dispositif pour étancher un perçage associé à un élément de perçage dans une bande d'étanchéité

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EP (2) EP2322722A1 (fr)
WO (1) WO2011057996A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016057992A1 (fr) * 2014-10-10 2016-04-14 Red Leaf Resources, Inc. Joint d'étanchéité et procédé pour sceller un système de rétention de gaz

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0430098A (ja) * 1990-05-24 1992-02-03 Kanko Eng Kk トンネル構築における防水シートの取付方法およびその取付部材
EP1696081A1 (fr) * 2005-01-27 2006-08-30 Georges Strickler Ancre de fixation
EP1767704A1 (fr) * 2005-09-26 2007-03-28 ThyssenKrupp Xervon GmbH Dispositif d'extension et/ou ancrage d'une membrane imperméable pour couvrir d'une manière étanche une paroi stable tel qu'un barrage et utilisation dudit dispositif
DE102005048118A1 (de) * 2005-10-06 2007-04-12 Skumtech As Spritzbetonbau mit Foliendichtung
EP1983157A1 (fr) * 2007-04-20 2008-10-22 Sika Technology AG Dispositif destiné à étanchéifier un passage organisé d'un élément de perçage dans une bande de joint

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0430098A (ja) * 1990-05-24 1992-02-03 Kanko Eng Kk トンネル構築における防水シートの取付方法およびその取付部材
EP1696081A1 (fr) * 2005-01-27 2006-08-30 Georges Strickler Ancre de fixation
EP1767704A1 (fr) * 2005-09-26 2007-03-28 ThyssenKrupp Xervon GmbH Dispositif d'extension et/ou ancrage d'une membrane imperméable pour couvrir d'une manière étanche une paroi stable tel qu'un barrage et utilisation dudit dispositif
DE102005048118A1 (de) * 2005-10-06 2007-04-12 Skumtech As Spritzbetonbau mit Foliendichtung
EP1983157A1 (fr) * 2007-04-20 2008-10-22 Sika Technology AG Dispositif destiné à étanchéifier un passage organisé d'un élément de perçage dans une bande de joint

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016057992A1 (fr) * 2014-10-10 2016-04-14 Red Leaf Resources, Inc. Joint d'étanchéité et procédé pour sceller un système de rétention de gaz
AU2015329708B2 (en) * 2014-10-10 2017-06-08 Red Leaf Resources, Inc. Fluid seal and method of sealing a gas containment system
US10240675B2 (en) * 2014-10-10 2019-03-26 Red Leaf Resources, Inc. Fluid seal and method of sealing a gas containment system

Also Published As

Publication number Publication date
WO2011057996A1 (fr) 2011-05-19
EP2499304A1 (fr) 2012-09-19

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