EP1726742A2 - Strukturelemente zur Verfestigung von Bauteilen - Google Patents

Strukturelemente zur Verfestigung von Bauteilen Download PDF

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Publication number
EP1726742A2
EP1726742A2 EP05026444A EP05026444A EP1726742A2 EP 1726742 A2 EP1726742 A2 EP 1726742A2 EP 05026444 A EP05026444 A EP 05026444A EP 05026444 A EP05026444 A EP 05026444A EP 1726742 A2 EP1726742 A2 EP 1726742A2
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EP
European Patent Office
Prior art keywords
indicated
belonging
matrix
fabric
metal
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Withdrawn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
EP05026444A
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English (en)
French (fr)
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EP1726742A3 (de
Inventor
Maurizio Bisciotti
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KIMIA SpA
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KIMIA SpA
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Filing date
Publication date
Application filed by KIMIA SpA filed Critical KIMIA SpA
Publication of EP1726742A2 publication Critical patent/EP1726742A2/de
Publication of EP1726742A3 publication Critical patent/EP1726742A3/de
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/04—Mats
    • 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

Definitions

  • This invention concems a reinforcement structure for building components (Fig.1(1)) consisting of a composite system whose components are:
  • building component concerns those construction elements made of reinforced concrete, masonry, stone, or combinations of such materials.
  • the metal filaments indicated in point [0001] have a diameter between 0.1 and 1 mm and are twisted together to form cords of from 3 to 21 wires.
  • the matrix indicated in point [0001] is selected from among the epoxy, polyurethane, polyester, and acrylic resin group or the group of cement mixtures and mixtures of lime and pozzolana materials, and may be a mixture of two or more of the materials belonging to the above-mentioned groups.
  • the material for adhesion to the building component indicated in point [0001] consists of a matrix selected from among the epoxy, polyurethane, polyester, and acrylic resin group with the addition of a filler, for the purpose of adjusting its viscosity, or the cement or pozzolana mortar group.
  • the material for the surface protection indicated in point [0001] consists of a resin belonging to the epoxy, polyurethane, polyester, or acrylic resin group.
  • the material for protection from fire indicated in point [0001] consists of any material with the characteristics and thickness sufficient for guaranteeing, for the building component reinforced with the method of this invention, stability for at least 180 minutes in the event of fire.
  • the composite system described in this invention is useful for providing guarantees of mechanical resistance to the elements stated in point [0002], which are often in a state of preservation that prevents them from continuing their original static performance, and thus require consolidation measures.
  • Another method developed recently involves the use of fibers of carbon, glass, or other synthetic materials with epoxy resins for impregnating the fibers according to a method that envisages the application of just two components, a mesh of synthetic fibers and a matrix belonging to the epoxy resin group.
  • This method is characterized by a number of defects.
  • the absence of an adhesion material as mentioned in point [0001] entails defects in the adhesion to the building component.
  • the absence of a system of surface protection in acid or alkaline environments may cause deterioration of the matrices belonging to the epoxy resin group making up the reinforcement method.
  • the absence of a system for protection from fire makes the structures consolidated with this reinforcement method particularly vulnerable in the event of fire.
  • the carbon, glass, or synthetic material fibers cannot be used to make the anchoring devices owing to their poor shearing strength.
  • EP 1 245 547 A1 Another method developed recently is described in EP 1 245 547 A1 ; in particular, the method concems a system for the reinforcement of existing building components by using a cement mortar and a mesh of synthetic material made up of fibers belonging to one or more of the following categories: glass, carbon, Kevlar, aramid.
  • the main object of this invention is thus the creation of a simple, easily applied reinforcement method, consisting of the elements indicated in points [0002], [0003], [0004], [0005], [0006], and [0007], which does not have the defects indicated in points [0009], [0010], [0011] [0012], [0013], and [0014].
  • the aims of this invention are attained by means of a core consisting of metal wires of a diameter between 0.1 and 1 mm, consisting of carbon steel with or without a surface treatment to improve its adherence characteristics, and with a mechanical tensile strength between 1400 N/mm 2 and 4500 N/mm 2 .
  • the metal wires are united to form twisted cords; each cord consists of a number of wires varying from 3 to 21.
  • the cords are laid next to one another from 0.8 mm to 25 mm apart.
  • the cords are tied together with metal or non-metal wires, or they can be attached to synthetic meshes by means of adhesives.
  • the matrix indicated in point [0004] when it belongs to the cement or pozzolana mortar group, is made with a mixture of powdered components that contain from 5 to 95% cement or natural or artificial hydraulic lime, 10% to 70% aggregate of a dimension of no more than 1000 microns and chemical additives containing 0.1 to 25% unsaturated copolymers, 0.05% to 2.5% fluidizing additives, and 0.005% to 1% thixotropic additives. All the quantities are in weight, and refer to the mass of the cement and/or lime.
  • the binders that can be used for the matrix indicated in point [0018] are Portland cement, composite cements, Portland-composite cements, pozzolana cements, slag cements and related subtypes and mixtures of types and subtypes, hydraulic limes and natural hydraulic limes with the possible addition of pozzolana materials, and mixtures of these.
  • the proportions between types and subtypes vary between 5 and 95% in weight.
  • the mineral fillers indicated in point [0018] have dimensions of less than 1000 microns. They may be silicatic, carbonatic, calcareous, arenaceous, or granitic, or may be the by-products of other processes, such as silica fume or fly ash. It is preferable to use mixtures of these fillers.
  • the additives whose presence is preferable but not indispensable are the following:
  • the matrix indicated in point [0004] may, in altemative to the indications of point [0018], be made with any material belonging to the epoxy, polyurethane, polyester, or acrylic resin group.
  • the matrix indicated in point [0004] in altemative to the indications of points [0018] and [0023], may be made of a mixture using a material belonging to the cement matrix group described in points [0017], [0018], [0019], [0020], [0021], and [0022] and a material belonging to the epoxy, polyurethane, polyester, and acrylic resin group indicated in point [0023].
  • the weight proportion between the two materials may vary between 5% and 95% for each of the two.
  • the material for adhesion indicated in point [0005] is made with resins belonging to the class of the epoxy resins with the addition of mineral fillers to control their viscosity.
  • the mineral fillers used to control viscosity may be made of silicatic, carbonatic, calcareous, arenaceous, or granitic, or may be the by-products of other processes.
  • the material for the surface protection indicated in point [0006], the presence of which is preferable but not indispensable, is made with materials belonging to the epoxy, polyurethane, polyester, or acrylic resin group.
  • the material for protection from fire indicated in point [0007], the presence of which is preferable but not indispensable, is made with any material in a thickness sufficient to guarantee, for the building component reinforced with the method of this invention, stability for at least 180 minutes in the event of fire.
  • the anchoring systems indicated in point [0001] consist of a core of metal filaments of any length, arranged in a single direction, lying next to each other and bound by non-metal wires to form a fabric.
  • To make these anchoring devices it is necessary to bore a hole in the building component indicated in point [0002], roll up the fabric of metal filaments, insert the roll of fabric into the hole, cut the element binding the fabric, and open the metal filaments outward like spokes. Once the metal filaments are arranged, the adhesion can be guaranteed by using any of the matrices described in this invention.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Working Measures On Existing Buildindgs (AREA)
EP05026444A 2005-05-23 2005-12-05 Strukturelemente zur Verfestigung von Bauteilen Withdrawn EP1726742A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000028A ITPG20050028A1 (it) 2005-05-23 2005-05-23 Elementi strutturali per il rinforzo di componenti edilizi

Publications (2)

Publication Number Publication Date
EP1726742A2 true EP1726742A2 (de) 2006-11-29
EP1726742A3 EP1726742A3 (de) 2007-10-24

Family

ID=36940468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05026444A Withdrawn EP1726742A3 (de) 2005-05-23 2005-12-05 Strukturelemente zur Verfestigung von Bauteilen

Country Status (2)

Country Link
EP (1) EP1726742A3 (de)
IT (1) ITPG20050028A1 (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2948712A1 (fr) * 2009-08-03 2011-02-04 Soletanche Freyssinet Procede de renforcement d'une structure de construction, et ouvrage ainsi renforce
WO2011045505A1 (fr) 2009-10-15 2011-04-21 Universite Claude Bernard Lyon I Element de renforcement en composite fibres-ciment et procede de renforcement de structures en beton arme par un tel element
GB2451017B (en) * 2006-03-22 2011-08-10 Leon Kruss Construction product
WO2011153160A2 (en) * 2010-06-01 2011-12-08 Universal Floor And Wall Systems, Inc. Method and system for remediating and covering wood floors
ITPG20100045A1 (it) * 2010-08-03 2012-02-03 Kimia S P A Struttura ad alta resistenza alla corrosione ed al fuoco, ancorabile e pretensionabile, per il rinforzo di componenti edilizi e relativi sistemi di ancoraggio
EP2553179A1 (de) * 2010-03-24 2013-02-06 Fyfe Europe S.A. System zur bewehrung einer struktur mit ortsangepassten materialien
WO2014161930A1 (en) * 2013-04-04 2014-10-09 Nv Bekaert Sa A structure for the reinforcement of pavements comprising assemblies of grouped metal filaments coupled to or integrated in a substrate
WO2014161944A1 (en) * 2013-04-04 2014-10-09 Nv Bekaert Sa A masonry reinforcement structure comprising parallel assemblies of grouped metal filaments in a parallel position
WO2016050421A1 (en) * 2014-10-03 2016-04-07 Nv Bekaert Sa A masonry reinforcement structure comprising parallel assemblies of grouped metal filaments and a polymer coating
JP2016524669A (ja) * 2013-06-06 2016-08-18 シーカ・テクノロジー・アーゲー 支持構造物を補強する構成体及び方法
JP2019035233A (ja) * 2017-08-10 2019-03-07 積水化学工業株式会社 セメント硬化体構造物の剥落防止施工法およびセメント硬化体構造物の剥落防止構造
US10604932B2 (en) 2015-06-19 2020-03-31 Geobrugg Ag Lattice structure and a device and method for producing same

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2048988A5 (en) * 1969-06-26 1971-03-19 Inst Rech Etud Te Strong adhesives to repair concrete - structures
US4339289A (en) * 1980-08-25 1982-07-13 Battelle Development Corporation Concrete overlay construction
US4668548A (en) * 1985-12-31 1987-05-26 Ribbon Technology Court Integrally-anchored fiber-reinforced concrete overlays and surfacings and method of making same
EP0378232A1 (de) * 1989-01-12 1990-07-18 Mitsubishi Kasei Corporation Verfahren zur Verstärkung von Betonstrukturen
GB2295637A (en) * 1994-12-02 1996-06-05 Sho Bond Corp Strengthening a reinforced concrete structure
EP1016767A1 (de) * 1997-09-16 2000-07-05 Nippon Steel Corporation Verstärkungsstruktur für betonelement und methode zur verstärkung
JP2004116216A (ja) * 2002-09-27 2004-04-15 Oriental Construction Co Ltd 金属繊維含有高強度コンクリートｐｃ板による既設床版の補強構造

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2048988A5 (en) * 1969-06-26 1971-03-19 Inst Rech Etud Te Strong adhesives to repair concrete - structures
US4339289A (en) * 1980-08-25 1982-07-13 Battelle Development Corporation Concrete overlay construction
US4668548A (en) * 1985-12-31 1987-05-26 Ribbon Technology Court Integrally-anchored fiber-reinforced concrete overlays and surfacings and method of making same
EP0378232A1 (de) * 1989-01-12 1990-07-18 Mitsubishi Kasei Corporation Verfahren zur Verstärkung von Betonstrukturen
GB2295637A (en) * 1994-12-02 1996-06-05 Sho Bond Corp Strengthening a reinforced concrete structure
EP1016767A1 (de) * 1997-09-16 2000-07-05 Nippon Steel Corporation Verstärkungsstruktur für betonelement und methode zur verstärkung
JP2004116216A (ja) * 2002-09-27 2004-04-15 Oriental Construction Co Ltd 金属繊維含有高強度コンクリートｐｃ板による既設床版の補強構造

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEVEN KRSTULOVIC-OPARA ET AL: "Flexural Behavior of Composite R.C.-Slurry Infiltrated Mat Concrete (SIMCON) Members" ACI STRUCTURAL JOURNAL, AMERICAN CONCRETE INSTITUTE, DETROIT, MI,, US, September 1997 (1997-09), pages 502-512, XP002900799 ISSN: 0889-3241 *

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2451017B (en) * 2006-03-22 2011-08-10 Leon Kruss Construction product
FR2948712A1 (fr) * 2009-08-03 2011-02-04 Soletanche Freyssinet Procede de renforcement d'une structure de construction, et ouvrage ainsi renforce
EP2295675A1 (de) * 2009-08-03 2011-03-16 Soletanche Freyssinet Verstärkungsverfahren einer Baustruktur, und so verstärktes Bauwerk
WO2011045505A1 (fr) 2009-10-15 2011-04-21 Universite Claude Bernard Lyon I Element de renforcement en composite fibres-ciment et procede de renforcement de structures en beton arme par un tel element
FR2951483A1 (fr) * 2009-10-15 2011-04-22 Univ Claude Bernard Lyon Element de renforcement en composite fibres-ciment et procede de renforcement de structures en beton arme par un tel element
EP2553179A1 (de) * 2010-03-24 2013-02-06 Fyfe Europe S.A. System zur bewehrung einer struktur mit ortsangepassten materialien
EP2553179A4 (de) * 2010-03-24 2014-03-12 Fyfe Europ S A System zur bewehrung einer struktur mit ortsangepassten materialien
WO2011153160A2 (en) * 2010-06-01 2011-12-08 Universal Floor And Wall Systems, Inc. Method and system for remediating and covering wood floors
WO2011153160A3 (en) * 2010-06-01 2012-04-05 Universal Floor And Wall Systems, Inc. Method and system for remediating and covering wood floors
ITPG20100045A1 (it) * 2010-08-03 2012-02-03 Kimia S P A Struttura ad alta resistenza alla corrosione ed al fuoco, ancorabile e pretensionabile, per il rinforzo di componenti edilizi e relativi sistemi di ancoraggio
CN105074092A (zh) * 2013-04-04 2015-11-18 贝卡尔特公司 包括联接至基体或集成在基体中的成组金属长丝组件的用于加固路面的结构
US9863099B2 (en) 2013-04-04 2018-01-09 Nv Bekaert Sa Structure for the reinforcement of pavements comprising assemblies of grouped metal filaments coupled to or integrated in a substrate
WO2014161930A1 (en) * 2013-04-04 2014-10-09 Nv Bekaert Sa A structure for the reinforcement of pavements comprising assemblies of grouped metal filaments coupled to or integrated in a substrate
EA034334B1 (ru) * 2013-04-04 2020-01-29 Нв Бекаэрт Са Дорожное покрытие, содержащее конструкцию для упрочнения дорожного покрытия, включающую в себя сборочные единицы из сгруппированных металлических волокон, присоединенных к основе или интегрированных в основу
WO2014161944A1 (en) * 2013-04-04 2014-10-09 Nv Bekaert Sa A masonry reinforcement structure comprising parallel assemblies of grouped metal filaments in a parallel position
JP2016524669A (ja) * 2013-06-06 2016-08-18 シーカ・テクノロジー・アーゲー 支持構造物を補強する構成体及び方法
US20170241138A1 (en) * 2014-10-03 2017-08-24 Nv Bekaert Sa A masonry reinforcement structure comprising parallel assemblies of grouped metal filaments and a polymer coating
CN106795720A (zh) * 2014-10-03 2017-05-31 贝卡尔特公司 包括成组金属单丝和聚合物涂层的平行组件的砌体加强结构
EA032901B1 (ru) * 2014-10-03 2019-07-31 Нв Бекаэрт Са Армированная кладка, содержащая параллельные комплекты сгруппированных металлических волокон и полимерное покрытие
CN106795720B (zh) * 2014-10-03 2019-10-18 贝卡尔特公司 包括成组金属单丝和聚合物涂层的平行组件的砌体加强结构
US10544588B2 (en) 2014-10-03 2020-01-28 Nv Bekaert Sa Masonry reinforcement structure comprising parallel assemblies of grouped metal filaments and a polymer coating
WO2016050421A1 (en) * 2014-10-03 2016-04-07 Nv Bekaert Sa A masonry reinforcement structure comprising parallel assemblies of grouped metal filaments and a polymer coating
US10604932B2 (en) 2015-06-19 2020-03-31 Geobrugg Ag Lattice structure and a device and method for producing same
JP2019035233A (ja) * 2017-08-10 2019-03-07 積水化学工業株式会社 セメント硬化体構造物の剥落防止施工法およびセメント硬化体構造物の剥落防止構造

Also Published As

Publication number Publication date
EP1726742A3 (de) 2007-10-24
ITPG20050028A1 (it) 2005-08-22

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