WO2000040815A1 - Bande d'etancheite pour l'etancheification des joints dans des edifices en beton - Google Patents

Bande d'etancheite pour l'etancheification des joints dans des edifices en beton Download PDF

Info

Publication number
WO2000040815A1
WO2000040815A1 PCT/EP2000/000021 EP0000021W WO0040815A1 WO 2000040815 A1 WO2000040815 A1 WO 2000040815A1 EP 0000021 W EP0000021 W EP 0000021W WO 0040815 A1 WO0040815 A1 WO 0040815A1
Authority
WO
WIPO (PCT)
Prior art keywords
core strand
outer layer
sealing tape
sealing
tape according
Prior art date
Application number
PCT/EP2000/000021
Other languages
German (de)
English (en)
Inventor
Alexander Bleibler
Original Assignee
Sika Ag, Vormals Kaspar Winkler & Co.
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 Ag, Vormals Kaspar Winkler & Co. filed Critical Sika Ag, Vormals Kaspar Winkler & Co.
Priority to AU24350/00A priority Critical patent/AU2435000A/en
Publication of WO2000040815A1 publication Critical patent/WO2000040815A1/fr

Links

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
    • E04B1/6813—Compressable seals of hollow form
    • 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
    • E04B1/6812—Compressable seals of solid form
    • 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 invention relates to a sealing tape for sealing construction joints in concrete structures with a core strand made of elastomeric material and an outer layer at least partially encompassing the core strand made of an elastomeric material which swells under water absorption.
  • Swellable joint tapes are u. a. used when components cannot be manufactured in a concreting section.
  • sealing strands of this type DE-A 197 02 2448
  • the outer layer which is capable of swelling under water absorption is arranged on a core strand made of a material which does not swell.
  • the sealing tape is inserted into the construction joint of a concrete structure and has the task of sealing the joint against water penetration.
  • the outer layer which swells when water is absorbed, ensures that water can pass through
  • the profile strand is fastened on this side with a thickly applied pasty adhesive that can swell under water. Since the deformability of the outer layer increases when water is absorbed and its strength decreases accordingly, disadvantageous losses in strength can occur at swollen parts of the sealing tape. Proceeding from this, the invention has for its object to improve the known sealing tape of the type mentioned in such a way that a reliable joint seal against water penetration is guaranteed for a long time.
  • the solution according to the invention is based on the knowledge that the core strand can make a significant contribution to long-term sealing without a noticeable loss in shape stability and strength if it is also swellable to a certain extent with water absorption.
  • the water absorption and / or swelling capacity of the core strand is advantageously less than 20%, preferably 5 to 10%, of that of the outer layer.
  • the outer layer completely surrounds the core strand, so that the core strand comes into contact with water only via the swollen outer layer can.
  • the core strand has a hollow profile.
  • the sealing tape is nailed onto the reinforced concrete part, it is advantageous if the core strand is designed as a solid strand.
  • a preferred embodiment of the invention provides that the core strand and thus also the sealing tape has an essentially trapezoidal outline.
  • the outer layer expediently has a constant wall thickness over the entire circumference of the sealing tape. It has proven to be advantageous if the core strand and the outer layer are integrally bonded to one another in the coextrusion process.
  • Fig. 1 shows a detail of a concrete structure in a diagram with a sealing tape used in a construction joint
  • Core strand has a hollow profile
  • Fig. 2 is a representation corresponding to FIG. 1 using a sealing tape with a solid core strand.
  • the sealing tape 16 has an essentially trapezoidal cross section in the case of FIG. 1 and a rectangular cross section in the case of FIG. 2. It contains a core strand 20 made of rubber-elastic material which, in the case of FIG. 1, has a plurality of hollow channels 22 aligned parallel to one another, while in the case of FIG. 2 it is solid.
  • the core strand 20 is enclosed by an outer layer 28, which consists of an elastomeric material which is capable of swelling under water absorption.
  • the core strand 20 is also swellable with the absorption of water, the water absorption and / or swelling ability of the core strand being less than 20%, preferably 5 to 10%, of that of the outer layer 28.
  • first concreting section fresh concrete is poured into an appropriate formwork for the production of the floor slab 10 and brought to hardening.
  • the sealing tape 16 is then glued with its base surface 30 onto the uneven joint boundary surface 34 of the base plate 10 with the aid of a pasty adhesive 32.
  • the unevenness in the joint boundary surface 34 is compensated for by the adhesive 32.
  • second concreting section the wall 12 is concreted and the sealing tape 16 is poured with liquid concrete, so that a second joint boundary surface 36 is formed.
  • the long-term sealing is ensured by the fact that the Core strand 20 can come into contact with water through the swollen outer layer and can swell largely without loss of strength.
  • the invention relates to a sealing tape for sealing joints in concrete structures.
  • the sealing strip 18 has a core strand 20 made of elastomeric material and an outer layer 28 at least partially surrounding the core strand 20 made of an elastomeric material which is swellable by absorbing water.
  • the core strand 20 is also swellable while absorbing water, the water absorption and / or swellability of the core strand 20 being less than 20% of that of the outer layer 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne une bande d'étanchéité pour l'étanchéification des joints dans des édifices en béton. La bande d'étanchéité (18) selon l'invention présente une bande centrale (20) en matériau élastomère et une couche externe (28) enveloppant au moins partiellement la bande centrale (20) et constituée d'un matériau élastomère capable de gonfler par absorption d'eau. Pour garantir une étanchéification durable et sûre, la bande centrale (20) peut également gonfler par absorption d'eau, sa capacité d'absorption d'eau ou de gonflement s'élevant à moins de 20 % de celle de la couche externe (28).
PCT/EP2000/000021 1999-01-08 2000-01-04 Bande d'etancheite pour l'etancheification des joints dans des edifices en beton WO2000040815A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU24350/00A AU2435000A (en) 1999-01-08 2000-01-04 Sealing strip for sealing joints in concrete buildings

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1999100520 DE19900520A1 (de) 1999-01-08 1999-01-08 Dichtungsband zur Fugenabdichtung in Betonbauwerken
DE19900520.6 1999-01-08

Publications (1)

Publication Number Publication Date
WO2000040815A1 true WO2000040815A1 (fr) 2000-07-13

Family

ID=7893820

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/000021 WO2000040815A1 (fr) 1999-01-08 2000-01-04 Bande d'etancheite pour l'etancheification des joints dans des edifices en beton

Country Status (3)

Country Link
AU (1) AU2435000A (fr)
DE (1) DE19900520A1 (fr)
WO (1) WO2000040815A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6793274B2 (en) * 2001-11-14 2004-09-21 L&L Products, Inc. Automotive rail/frame energy management system
AU2004202892B2 (en) * 2003-08-07 2007-06-14 Agrar Chemie Ag Sealing Device for Sealing Joints, and Hollow-profile Strip Therefor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003209863A1 (en) * 2003-03-05 2004-09-28 Herman De Neef Means and method for sealing concrete construction joints and method for manufacturing such sealing means
WO2015061012A1 (fr) * 2013-10-24 2015-04-30 W. R. Grace & Co.-Conn. Dispositifs d'étanchéité dilatables et anti-ondulation
ES2621884T3 (es) * 2013-10-24 2017-07-05 Gcp Applied Technologies Inc. Juntas de impermeabilización hinchables anti-serpenteo
DE102020115008A1 (de) 2020-06-05 2021-12-09 Renesco GmbH Verfahren zur Installation einer Abdichtung von Konstruktionsfugen an Bauwerken und Abdichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050906A1 (fr) * 1980-10-17 1982-05-05 Hayakawa Rubber Company Limited Compositions d'étanchéité et joints expansibles par absorption d'eau, et procédés pour leur utilisation
JPS63308081A (ja) * 1988-02-05 1988-12-15 Hayakawa Rubber Co Ltd 水膨潤性止水材
DE19702248A1 (de) 1997-01-23 1998-07-30 Sika Ag Verfahren zur Fugenabdichtung in Betonbauwerken

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050906A1 (fr) * 1980-10-17 1982-05-05 Hayakawa Rubber Company Limited Compositions d'étanchéité et joints expansibles par absorption d'eau, et procédés pour leur utilisation
JPS63308081A (ja) * 1988-02-05 1988-12-15 Hayakawa Rubber Co Ltd 水膨潤性止水材
DE19702248A1 (de) 1997-01-23 1998-07-30 Sika Ag Verfahren zur Fugenabdichtung in Betonbauwerken

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 151 (C - 584) 12 April 1989 (1989-04-12) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6793274B2 (en) * 2001-11-14 2004-09-21 L&L Products, Inc. Automotive rail/frame energy management system
AU2004202892B2 (en) * 2003-08-07 2007-06-14 Agrar Chemie Ag Sealing Device for Sealing Joints, and Hollow-profile Strip Therefor

Also Published As

Publication number Publication date
AU2435000A (en) 2000-07-24
DE19900520A1 (de) 2000-07-27

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