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EP2083133A2 - Elément d'ancrage mécanique d'extrémité pour laminés de renforcement sur des constructions - Google Patents

Elément d'ancrage mécanique d'extrémité pour laminés de renforcement sur des constructions Download PDF

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Publication number
EP2083133A2
EP2083133A2 EP09151194A EP09151194A EP2083133A2 EP 2083133 A2 EP2083133 A2 EP 2083133A2 EP 09151194 A EP09151194 A EP 09151194A EP 09151194 A EP09151194 A EP 09151194A EP 2083133 A2 EP2083133 A2 EP 2083133A2
Authority
EP
European Patent Office
Prior art keywords
base plate
laminate
fiber composite
clamping
anchoring element
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Withdrawn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
EP09151194A
Other languages
German (de)
English (en)
Other versions
EP2083133A3 (fr
Inventor
Josef Scherer
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.)
S&P Clever Reinforcement Co AG
Original Assignee
S&P Clever Reinforcement Co 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 S&P Clever Reinforcement Co AG filed Critical S&P Clever Reinforcement Co AG
Publication of EP2083133A2 publication Critical patent/EP2083133A2/fr
Publication of EP2083133A3 publication Critical patent/EP2083133A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E04G2023/0262—Devices specifically adapted for anchoring the fiber reinforced plastic elements, e.g. to avoid peeling off

Definitions

  • an end anchoring element for adhering fiber composite laminate strips consisting of a base plate which forms a support surface, which, viewed in the direction of the anchored end of a laminate strip in the direction of an angle W between 85 ° and 120 °, and has a curved surface for the laminate end region to be adhered, so that the one on it adhered end portion of the laminate end undergoes a bending directed against the structure B that the underside of the base plate has transverse grooves, and the clamping plate to be placed on the base plate has a curved surface matching the curved surface as the bottom, and the clamping plate at its end with a downwards directed projection the base plate at the end engages behind, as well as that the clamping and base plate are clamped together by means of screw, and at least by means of a both plates penetrating anchoring bolts in the building B are anchored.
  • the end anchoring element for fiber composite laminate strips to be adhered consists of a base plate 1 and an associated clamping plate 8 to be placed thereon, as in FIG FIG. 1 shown. These parts are made of aluminum, for example. They can be produced by injection molding, or extruded or milled from solid material.
  • the base plate 1 forms a support surface 2, which, viewed in the direction of the end of a laminate strip 3 to be anchored, encloses an angle W between 85 ° and 120 °.
  • the base plate 1 has a curved surface 4 for the laminate end region to be bonded, so that the end region 5 of the laminate end glued onto it experiences a curvature 6 directed towards the building B, that is to say the end of the lamian end is closer to the building than the beginning of the laminate end region.
  • transverse grooves 7 are formed, which are intended to receive the screw heads 15 of screws which penetrate the base plate 1 vertically upwards and protrude upwards from the base plate 1.
  • One side of the screw head 15 rests against the lateral wall 16 of the groove 7, so that the screw head 15 is secured therein against rotation.
  • the clamping plate 8 to be placed on the base plate 1 has a curved surface 9, which is suitable for the curved surface 4, as the underside 10.
  • the clamping plate 8 runs at its end in a downwardly directed projection 11, which engages behind the same at the end when placed on the base plate 1.
  • the clamping 8 and base plate 1 are clamped together by means of screw 12 and thus clamped.
  • the base plate 1 in the building B can be anchored.
  • FIG. 2 shows the end anchoring element seen from above. It is here on the top of the clamping plate 8. This is screwed by means of lock nuts 17 on the connecting screws 12 and by placing spacers 18 with the same, so that the clamping plate 8 is tightly clamped to the underlying base plate 1 and these two plates 1.8 vigorously trapped with the inclusion of the intermediate end portion of a laminate strip 3 with each other. As can be seen, the screws are arranged on both sides of the end region of the laminate strip, so that a strong tension is made possible. Because the clamping surfaces are indeed curved in one direction, the base plate 1 and the clamping plate 8 in the transverse direction are particularly stiff and the screws on the two sides of the LamiantstMails push the clamping surfaces to get rich each other.
  • the grooves 7 can be seen, which are formed in the underside of the base plate 1.
  • the screw heads 15 which abut each with one side on the groove side wall 16 so that they are secured in the grooves from twisting. Because the recess into which the base plate 1 is inserted, previously filled with an epoxy resin, the grooves 7 are filled when inserting the base plate 1 of this epoxy hard, so that an additional clawing of the base plate 1 is formed with the building.
  • the recess is first poured with epoxy resin, then the base plate 1 is inserted, so that its support surface 2 fed to the local wall of the Depression is present. Then, the base plate 1 is secured with the anchoring bolt 13. The epoxy resin is displaced and fills out the grooves 7 on the underside of the base plate 1. Then the curved upper surface of the base plate 1 is coated with epoxy resin and then the end-side portion of the laminate strip is pressed under curvature. The upper surface of the laminate strip is also coated with epoxy resin, and then the clamping plate 8 is put on and firmly clamped to the base plate 1, pinching the intermediate end portion of the laminate strip.
  • the novelty and special in the application of this Endverank fürsenses is that it allows the glued fiber composite material F additionally in the end in the support base, consisting mainly of concrete or reinforced concrete, closelybiegen.
  • the fiber composite material F which is glued to Biegezugverstärkung on the surface of the component B, preferably consists of unidirectionally arranged fiber bundles, preferably of carbon, glass or aramid fibers.
  • This fiber composite material F is glued over the entire length of the fiber composite material with the base shear resistant by means of adhesive.
  • One or both ends of the fiber composite are then glued between the lower base plate and the upper clamping plate as described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP09151194A 2008-01-28 2009-01-23 Elément d'ancrage mécanique d'extrémité pour laminés de renforcement sur des constructions Withdrawn EP2083133A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00117/08A CH700733B1 (de) 2008-01-28 2008-01-28 Mechanisches Endverankerungselement für Verstärkungslaminate an Bauwerken.

Publications (2)

Publication Number Publication Date
EP2083133A2 true EP2083133A2 (fr) 2009-07-29
EP2083133A3 EP2083133A3 (fr) 2013-03-20

Family

ID=40600291

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09151194A Withdrawn EP2083133A3 (fr) 2008-01-28 2009-01-23 Elément d'ancrage mécanique d'extrémité pour laminés de renforcement sur des constructions

Country Status (2)

Country Link
EP (1) EP2083133A3 (fr)
CH (1) CH700733B1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016005941A1 (fr) 2014-07-09 2016-01-14 Faculdade De Ciências E Tecnologia Da Universidade Nova De Lisboa Système de renforcement structural avec armatures ancrées intérieurement par adhérence
GB2568537A (en) * 2017-11-20 2019-05-22 Ahmed Abubaker Kiari Mohamed Support for a structure
WO2020234341A1 (fr) * 2019-05-23 2020-11-26 Soletanche Freyssinet Procédé de renforcement d'une structure
EP4071321A1 (fr) * 2021-04-07 2022-10-12 Vilniaus Gedimino technikos universitetas Dispositif et procédé pour structures de renforcement avec stratifiés de polymère renforcé de fibres pré-contraints

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1033455A1 (fr) * 1999-03-01 2000-09-06 Freyssinet International Stup Procédé et dispositif de renforcement d'un ouvrage en béton
DE102004044386A1 (de) * 2004-09-12 2006-03-30 Schere, Josef Anschlusskonstruktion zur Anbringung von Zugträgern an Verankerungsbereichen von Bauwerken und dergleichen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1033455A1 (fr) * 1999-03-01 2000-09-06 Freyssinet International Stup Procédé et dispositif de renforcement d'un ouvrage en béton
DE102004044386A1 (de) * 2004-09-12 2006-03-30 Schere, Josef Anschlusskonstruktion zur Anbringung von Zugträgern an Verankerungsbereichen von Bauwerken und dergleichen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016005941A1 (fr) 2014-07-09 2016-01-14 Faculdade De Ciências E Tecnologia Da Universidade Nova De Lisboa Système de renforcement structural avec armatures ancrées intérieurement par adhérence
GB2568537A (en) * 2017-11-20 2019-05-22 Ahmed Abubaker Kiari Mohamed Support for a structure
GB2568537B (en) * 2017-11-20 2020-07-29 Ahmed Abubaker Kiari Mohamed Support for a structure
WO2020234341A1 (fr) * 2019-05-23 2020-11-26 Soletanche Freyssinet Procédé de renforcement d'une structure
FR3096382A1 (fr) * 2019-05-23 2020-11-27 Soletanche Freyssinet Procédé de renforcement d’une structure.
EP4071321A1 (fr) * 2021-04-07 2022-10-12 Vilniaus Gedimino technikos universitetas Dispositif et procédé pour structures de renforcement avec stratifiés de polymère renforcé de fibres pré-contraints

Also Published As

Publication number Publication date
CH700733B1 (de) 2010-10-15
EP2083133A3 (fr) 2013-03-20

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