EP1007809B1 - Dispositif de renfort pour structures porteuses - Google Patents

Dispositif de renfort pour structures porteuses Download PDF

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Publication number
EP1007809B1
EP1007809B1 EP98937382A EP98937382A EP1007809B1 EP 1007809 B1 EP1007809 B1 EP 1007809B1 EP 98937382 A EP98937382 A EP 98937382A EP 98937382 A EP98937382 A EP 98937382A EP 1007809 B1 EP1007809 B1 EP 1007809B1
Authority
EP
European Patent Office
Prior art keywords
cfk
panel
end element
reinforcing device
strips
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
EP98937382A
Other languages
German (de)
English (en)
Other versions
EP1007809A1 (fr
Inventor
Gregor Schwegler
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 Schweiz AG
Original Assignee
StressHead 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 StressHead AG filed Critical StressHead AG
Publication of EP1007809A1 publication Critical patent/EP1007809A1/fr
Application granted granted Critical
Publication of EP1007809B1 publication Critical patent/EP1007809B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08—Members specially adapted to be used in prestressed constructions
    • E04C5/12—Anchoring devices
    • E04C5/127—The tensile members being made of fiber reinforced plastics
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
    • E04C3/26—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members prestressed
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • E04G2023/0251—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • E04G2023/0251—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements
    • E04G2023/0255—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements whereby the fiber reinforced plastic elements are stressed
    • E04G2023/0259—Devices specifically adapted to stress the fiber reinforced plastic elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • E04G2023/0251—Increasing or restoring the load-bearing capacity of building construction elements by using fiber reinforced plastic elements
    • E04G2023/0262—Devices specifically adapted for anchoring the fiber reinforced plastic elements, e.g. to avoid peeling off
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1059—Splitting sheet lamina in plane intermediate of faces

Claims (14)

  1. Dispositif de renfort pour structures porteuses (1) avec lamelle (2) en CFK, caractérisé en ce qu'au moins une extrémité de la lamelle CFK (2) est fendue en au moins deux lames (2') et débouche dans un élément terminal (3, 4; 12, 13).
  2. Dispositif de renfort selon la revendication 1, caractérisé en ce que chacune des deux extrémités débouche dans un élément terminal (3, 4; 12, 13).
  3. Dispositif de renfort selon la revendication 1 ou 2, caractérisé en ce que lesdites lames (2') sont introduites au moins partiellement dans des rainures de retenue (9; 9') de l'élément terminal (3, 4; 12, 13) arrangées de préférence en forme de coin l'une par rapport à l'autre.
  4. Dispositif de renfort selon l'une des revendications 1 à 3, caractérisé en ce que les extrémités (2') des lamelles sont divisées en des lamelles superposées ayant approximativement la même épaisseur.
  5. Dispositif de renfort selon l'une des revendications 1 à 4, caractérisé en ce que les rainures de retenue (9) de l'élément terminal (3, 4; 12, 13) présentent une surface rugueuse ou ondulée.
  6. Dispositif de renfort selon l'une des revendications 1 à 5, caractérisé par des perçages (10) disposés transversalement par rapport à la surface des lamelles dans la zone des rainures de retenue (9) de l'élément terminal (3).
  7. Dispositif de renfort selon l'une des revendications 1 à 6, caractérisé en ce que l'élément terminal (3, 4; 12, 13) est un bloc parallélépipède en métal ou matière plastique.
  8. Dispositif de renfort selon l'une des revendications 1 à 7, caractérisé en ce que l'élément terminal (3, 4, 12, 13) comprend dans la zone de sortie de la lamelle CFK (2) des éléments de renfort (11), de préférence des boulons filetés, disposées transversalement par rapport à la direction de sortie.
  9. Dispositif de renfort selon l'une des revendications 1 à 8, caractérisé en ce que l'élément terminal (3, 4, 12, 13) comprend en face de la sortie de la lamelle CFK un point d'introduction des forces, de préférence un perçage fileté (12).
  10. Dispositif de renfort selon l'une des revendications 1 à 9, caractérisé en ce que les rainures de retenue (9) sont disposées en forme de coin dans l'élément terminal (3, 4, 12, 13) de telle manière, que la rainure (9') la plus inférieure (9') soit disposée parallèlement à la direction de sortie de la lamelle (2) et les autres rainures (9) soient disposées en éventail avec angles croissants à partir de l'ouverture de sortie.
  11. Procédé pour renforcer des éléments porteurs (1) à l'aide de dispositifs de renfort selon l'une des revendications 1 à 10, caractérisé en ce que les lamelles CFK (2) coupées à la longueur voulue sont fendues chacune à au moins une des leurs extrémités en au moins deux lames (2') ayant approximativement la même épaisseur respectivement largeur et sont mise en connexion avec un élément terminal (3, 4; 12, 13) et en ce que cette structure est collée sur le côté soumis à tension de l'élément porteur (1) à renforcer.
  12. Procédé selon la revendication 11, caractérisé en ce que les lames (2') de la lamelle CFK (2) sont introduit dans des rainures de retenue (9, 9') individuelles, de préférence disposées en éventail, d'un élément terminal (3, 4; 12, 13) et y sont fixées par collage ou par culottage au moyen d'une masse de scellage.
  13. Procédé selon la revendication 11 ou 12, caractérisé en ce que les extrémités de la lamelle CFK (2) sont divisées respectivement fendues en trois lames (2') et en ce que la structure avant sa connexion avec l'élément porteur (1) est précontrainte par rapport à ce dernier par des moyens de tension (7, 8) pour être collée ensuite à l'état précontraint sur l'élément porteur (1).
  14. Procédé selon l'une des revendications 11 à 13, caractérisé en ce que la lamelle CFK (2) est fendue en direction des fibres.
EP98937382A 1997-08-26 1998-08-18 Dispositif de renfort pour structures porteuses Expired - Lifetime EP1007809B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH198797 1997-08-26
CH198797 1997-08-26
PCT/CH1998/000346 WO1999010613A1 (fr) 1997-08-26 1998-08-18 Dispositif de renfort pour structures porteuses

Publications (2)

Publication Number Publication Date
EP1007809A1 EP1007809A1 (fr) 2000-06-14
EP1007809B1 true EP1007809B1 (fr) 2001-10-10

Family

ID=4223266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98937382A Expired - Lifetime EP1007809B1 (fr) 1997-08-26 1998-08-18 Dispositif de renfort pour structures porteuses

Country Status (14)

Country Link
US (1) US6851232B1 (fr)
EP (1) EP1007809B1 (fr)
JP (1) JP4202596B2 (fr)
CN (1) CN1131365C (fr)
AT (1) ATE206794T1 (fr)
AU (1) AU740242B2 (fr)
BR (1) BR9812141A (fr)
CA (1) CA2301755C (fr)
DE (1) DE59801706D1 (fr)
ES (1) ES2165693T3 (fr)
NO (1) NO313806B1 (fr)
NZ (1) NZ503251A (fr)
PT (1) PT1007809E (fr)
WO (1) WO1999010613A1 (fr)

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Also Published As

Publication number Publication date
CA2301755C (fr) 2007-11-13
BR9812141A (pt) 2000-07-18
DE59801706D1 (de) 2001-11-15
WO1999010613A1 (fr) 1999-03-04
CN1268205A (zh) 2000-09-27
AU740242B2 (en) 2001-11-01
NO313806B1 (no) 2002-12-02
CN1131365C (zh) 2003-12-17
NZ503251A (en) 2001-07-27
EP1007809A1 (fr) 2000-06-14
AU8621098A (en) 1999-03-16
PT1007809E (pt) 2002-04-29
US6851232B1 (en) 2005-02-08
NO20000887L (no) 2000-02-25
CA2301755A1 (fr) 1999-03-04
JP4202596B2 (ja) 2008-12-24
NO20000887D0 (no) 2000-02-23
JP2001514349A (ja) 2001-09-11
ES2165693T3 (es) 2002-03-16
ATE206794T1 (de) 2001-10-15

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