EP0633967B1 - Injektionssystem für fugendichtungen in betonstrukturen - Google Patents

Injektionssystem für fugendichtungen in betonstrukturen Download PDF

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Publication number
EP0633967B1
EP0633967B1 EP94906397A EP94906397A EP0633967B1 EP 0633967 B1 EP0633967 B1 EP 0633967B1 EP 94906397 A EP94906397 A EP 94906397A EP 94906397 A EP94906397 A EP 94906397A EP 0633967 B1 EP0633967 B1 EP 0633967B1
Authority
EP
European Patent Office
Prior art keywords
profile
water pressure
face
concrete
injection system
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
EP94906397A
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English (en)
French (fr)
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EP0633967A1 (de
Inventor
Bjarne Sem
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.)
Individual
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Individual
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 Individual filed Critical Individual
Publication of EP0633967A1 publication Critical patent/EP0633967A1/de
Application granted granted Critical
Publication of EP0633967B1 publication Critical patent/EP0633967B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6816—Porous tubular seals for injecting sealing material
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/16—Arrangement or construction of joints in foundation structures
    • 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
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B2001/6818—Joints with swellable parts

Definitions

  • the present invention relates to an injection system for the sealing of joints in concrete or similar structures, such joints resulting e.g. from stepwise concrete casting.
  • the invention finds its use for the sealing of joints in the transition between a foundation sole and a foundation wall.
  • cracks, crevices etc. may occur in concrete structures, in particular in connection with joints resulting from stepwise concrete castings. These cracks and crevices are, by way of example, caused by lack in homogenity or other consistency deficiency in the concrete or as a result of the setting shrinkage of the concrete, and may lead to penetration of water.
  • a sealing material e.g. in the form of a polymer.
  • Other injection materials which may be used for this purpose are polyurethanes, epoxies, acryl gels and micro-cements.
  • injection tubes or hoses which are to be cast-in into the concrete to permit a subsequent injection of sealing material or which may be placed along a joint face of an already cast section of the structure, e.g. on a foundation sole, prior to the casting of the subsequent section, e.g. a foundation wall. Examples of such injection tubes or hoses are disclosed in US 4.449.713 and 4.499.925, EP 0.125.696 and 0.501.004 and WO-A-9 216 696.
  • the present invention is aimed at an injection system for the sealing of joints in concrete structures having joint surfaces arising from stepwise casting of such structures and extending between an outer or upper side which may be under water pressure and an inner or lower side, for the purpose of preventing penetration of moisture from the water pressure side, whereby the placing of the system becomes substantially simpler and safer and whereby the effect becomes substantially enhanced.
  • the characteristic features of the injection system of the invention are primarily that it comprises
  • an injection system for the sealing of joints in concrete structures comprises a longitudinal profile 1 having a lengthwise passage 3 with an opening 4,5 to that side of the profile 1 which is to face a joint surface 6 in the concrete structure.
  • the joint surface 6 extends from an outer or upper side of the concrete structure, which side is or may be under water pressure, and an opposite, i.e. inner or lower side of the concrete structure, which is to be the "dry" side.
  • the profile 1 is provided with a lip or flange 7 along one side edge, intended to engage with the joint surface 6 and to be on that side of the profile which is to face the dry side of the concrete structure.
  • a swelling material is attached, in the form of "sausages" 8 (Fig. 1) or strips 9 (Figs. 2, 3).
  • the profile 1 is provided with a lengthwise lip or flange 10 to cover at least part of the top side of the swelling material 8,9.
  • the swelling material 8,9 is attached to the profile 1 by means of a suitable adhesive and/or by means of hooks or barbs 11 (Fig. 2) or by being retained by flanges 12 (Fig. 1) or similar devices.
  • the swelling material 8,9 is disposed along the full length of the profile 1 and around one end of the profile. It is, however, within the scope of the invention to dispose the swelling material around both ends of the profile.
  • the swelling material 8,9 will, when subjected to moisture, swell so as to be almost 100 % impenetrable to moisture.
  • a sealing material e.g. in the form of a polymer, is supplied to the passage 3 through inlet and outlet hoses 13 (fig. 4), the sealing material flowing from the passage 3 through the slot 4 and the widened portion 5 and further to cracks and crevises in the concrete.
  • a "sausage” (not shown) is conveniently provided in the widened portion 5, which "sausage" is of a throughout porous material.
  • This "sausage” will also, together with the lip or flange 7, secure that the whole arrangement according to the invention achieves a full througout engagement with the joint surface 6, undisturbed by possible roughnesses in said surface. It is within the scope of the invention to form the profile with the slot 4 from the passage 3 directly to the underside of the profile, without the widened portion providing space for a porous "sausage” preventing concrete mass from penetrating into the slot 4 and the passage 3.
  • the injection profiles are installed with an overlapping and a sidewise spacing of the respective profile unit ends and the swelling "sausages", if and when used in conjunction with the injection profiles, are installed in a separate operation as a continuous strand spaced from the injection profiles.
  • the profile 1 and the swelling material 8,9 attached thereto as well as the inlet and outlet hoses 13 are conveniently delivered, stocked and installed as units, e.g.
  • the adjoining units being installed with an overlapping of their ends and with minimal sidewise spacing, e.g. as shown in Fig. 4, whereby the swelling material 8,9 on one unit engages tightly with the swelling material on the adjacent unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Joints With Sleeves (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Claims (4)

  1. Injektionssystem für die Abdichtung von Fugen in Betonstrukturen, die Fugenflächen aufweisen, die durch den schrittweisen Aufbau derartiger Strukturen bedingt sind und zwischen einer äußeren oder oberen Seite, die unter Wasserdruck stehen kann, und einer inneren oder unteren Seite verlaufen, um das Eindringen von Feuchtigkeit von der Wasserdruckseite zu verhindern, dadurch gekennzeichnet,
    a) daß es ein Längsprofil (1) aufweist, das einen längs verlaufenden Injektionskanal (3) besitzt, der (bei 4, 5) zu der Profilseite öffnet, die der Fugenoberfläche (6) zugewandt ist, in Kombination mit
    b) einem an sich bekannten, quellenden Material (8, 9), das an der der Wasserdruckseite zugewandten Seite der Betonstruktur auf das Profil aufgebracht ist und
    c) daß das quellende Material (8, 9) entlang der gesamten Länge des Profils (1) und um zumindest eine der Endseiten des Profils herum angeordnet ist.
  2. Injektionssystem nach Anspruch 1, dadurch gekennzeichnet, daß die Öffnung (4, 5) des Injektionskanals (3) als durchgängiger Schlitz (4) ausgebildet ist, der in einen erweiterten Abschnitt (5) öffnet, der eine poröse Barriere gegen das Eindringen von Beton in den Injektionskanal aufnehmen kann.
  3. Injektionssystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Profil (1) auf seiner der Fugenoberfläche (6) zugewandten Seite mit einer Lippe oder einem Flansch (7) versehen ist.
  4. Injektionssystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Profil (1) auf seiner der Fugenoberfläche (6) abgewandten Seite und auf der der Wasserdruckseite zugewandten Seite der Betonstruktur mit einer Lippe oder einem Flansch (10) zum Schutz des quellenden Materials (8, 9) gegen mechanische Einwirkungen von oben versehen ist.
EP94906397A 1993-02-01 1994-01-18 Injektionssystem für fugendichtungen in betonstrukturen Expired - Lifetime EP0633967B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO930351A NO176846C (no) 1993-02-01 1993-02-01 Injeksjonssystem for fugetetting i betongkonstruksjoner
NO930351 1993-02-01
PCT/NO1994/000013 WO1994018398A1 (en) 1993-02-01 1994-01-18 Injection system for sealing joints in concrete structures

Publications (2)

Publication Number Publication Date
EP0633967A1 EP0633967A1 (de) 1995-01-18
EP0633967B1 true EP0633967B1 (de) 1997-04-09

Family

ID=19895796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94906397A Expired - Lifetime EP0633967B1 (de) 1993-02-01 1994-01-18 Injektionssystem für fugendichtungen in betonstrukturen

Country Status (5)

Country Link
EP (1) EP0633967B1 (de)
AT (1) ATE151485T1 (de)
DE (1) DE69402475T2 (de)
NO (1) NO176846C (de)
WO (1) WO1994018398A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT408003B (de) * 1999-02-19 2001-08-27 Bruckner Johann Einrichtung zur abdichtung der sich zwischen zwei betonkörpern ausbildenden fuge
AT410955B (de) * 2001-09-27 2003-09-25 Bruckner Johann Einrichtung zur abdichtung der sich zwischen zwei abschnitten eines betonkörpers ausbildenden fuge
CN110955276B (zh) * 2019-09-11 2023-04-21 保利长大工程有限公司 大体积混凝土冷却水智能自动循环控制系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4366284A (en) * 1980-10-17 1982-12-28 Hayakawa Rubber Company Limited Aqueously-swelling water stopper and a process of stopping water thereby
DE8910744U1 (de) * 1989-09-08 1991-01-17 Schmidt, René P., Oberweningen Dichtungsvorrichtung für Betonfugen
DE69128340T2 (de) * 1991-03-01 1998-04-09 Kasei Co C I Dichtung für eine Fuge und Verfahren zum Einsetzen derselben

Also Published As

Publication number Publication date
NO930351L (no) 1994-08-02
WO1994018398A1 (en) 1994-08-18
NO176846C (no) 1995-06-07
NO930351D0 (no) 1993-02-01
ATE151485T1 (de) 1997-04-15
DE69402475T2 (de) 1997-07-17
NO176846B (no) 1995-02-27
DE69402475D1 (de) 1997-05-15
EP0633967A1 (de) 1995-01-18

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