US20160010348A1 - A masonry reinforcement structure comprising parallel cords - Google Patents

A masonry reinforcement structure comprising parallel cords Download PDF

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Publication number
US20160010348A1
US20160010348A1 US14/771,984 US201414771984A US2016010348A1 US 20160010348 A1 US20160010348 A1 US 20160010348A1 US 201414771984 A US201414771984 A US 201414771984A US 2016010348 A1 US2016010348 A1 US 2016010348A1
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US
United States
Prior art keywords
cords
reinforcement structure
masonry reinforcement
masonry
bed joint
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.)
Abandoned
Application number
US14/771,984
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English (en)
Inventor
Henk Cornelus
Ann Lambrechts
David SIX
Veerle Van Wassenhove
Frederik Vervaecke
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Bekaert NV SA
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Bekaert NV SA
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Assigned to NV BEKAERT SA reassignment NV BEKAERT SA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: VAN WASSENHOVE, VEERLE, CORNELUS, Henk, SIX, David, VERVAECKE, FREDERIK, LAMBRECHTS, ANN
Publication of US20160010348A1 publication Critical patent/US20160010348A1/en
Abandoned legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/04—Walls having neither cavities between, nor in, the solid elements
    • E04B2/06—Walls having neither cavities between, nor in, the solid elements using elements having specially-designed means for stabilising the position
    • 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
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D19/00—Gauze or leno-woven fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/002—Inorganic yarns or filaments
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D07B1/0606—Reinforcing cords for rubber or plastic articles
    • D07B1/062—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/28—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups combinations of materials fully covered by groups E04C2/04 and E04C2/08
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • 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
    • E04C5/012—Discrete reinforcing elements, e.g. fibres
    • 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
    • E04C5/073—Discrete reinforcing elements, e.g. fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/024—Fabric incorporating additional compounds
    • D10B2403/0241—Fabric incorporating additional compounds enhancing mechanical properties
    • D10B2403/02411—Fabric incorporating additional compounds enhancing mechanical properties with a single array of unbent yarn, e.g. unidirectional reinforcement fabrics
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/02—Reinforcing materials; Prepregs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0256—Special features of building elements
    • E04B2002/028—Spacers between building elements
    • E04B2002/0282—Separate spacers
    • 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

  • the invention relates to a masonry reinforcement structure comprising parallel cords, more particularly to a masonry bed joint reinforcement structure.
  • the invention also relates to a roll comprising such a masonry reinforcement structure.
  • the invention further relates to masonry reinforced with such masonry reinforcement structure and to a method to apply such masonry reinforcement structure.
  • Masonry has a high compressive strength but a limited tensile strength. This leads to limitations in the design of masonry (such as limited height, limited width, limited length of masonry) and may lead to cracking when tensile and/or shear stresses develop in the masonry.
  • Bed joint reinforcement for example prefabricated bed joint reinforcement of steel meshwork, is a proven technology for allowing masonry to carry higher loads (e.g. wind loads) by providing additional strength and flexibility, and for controlling cracks in masonry that is subject to tensile forces.
  • Bed joint reinforcement of steel meshwork for structural use generally comprise welded wire meshwork, such as two parallel longitudinal wires connected by a continuous zig-zag wire (truss type) or connected by straight cross wires (ladder type).
  • Prefabricated bed joint reinforcement structures typically have a length of about 3 m, for example 2.70 m or 3.05 m. This relatively long length makes the transportation, storing and handling of the structures complex.
  • overlaps between neighbouring bed joint reinforcement structures may not be located at areas of high stress or at areas where the dimensions of a section change (for example a step in a wall height or thickness), the work of the installer of bed joint reinforcement elements is complicated.
  • a masonry reinforcement structure comprising at least two cords.
  • the masonry reinforcement structure has a length direction.
  • the cords are oriented parallel or substantially parallel in the length direction of the masonry reinforcement structure.
  • the cords comprise metal filaments that are twisted together.
  • the masonry reinforcement structure according to the present invention comprises preferably a bed joint reinforcement structure.
  • a bed joint reinforcement structure is defined as a reinforcement structure that is prefabricated for building into a bed joint.
  • the masonry reinforcement structure has a length L and a width W, with L being larger than W.
  • substantially parallel is meant that there may be some deviation from the parallel position. However, if there is a deviation, the deviation from the parallel position is either small or accidental. With small deviation is meant a deviation less than 5 degrees and preferably less than 3 degrees or even less than 1.5 degrees.
  • the cords of a masonry reinforcement structure according to the present invention are parallel or substantially parallel over the full length of the masonry reinforcement structure.
  • the cords are not intertwisted or interconnected.
  • a cord any unit or group of a number of filaments that are twisted.
  • Cords comprise single strand cords or multistrand cords. The twisting can be obtained by cabling or bunching.
  • a masonry reinforcement structure according to the present invention comprising cords has the advantage that the structure can easily be rolled up and rolled out. Furthermore a masonry reinforcement structures comprising cords lies in a flat position when rolled out and remains in this flat position without requiring additional precautions or steps to obtain or maintain this flat position.
  • the number of filaments in a cord ranges preferably between 2 and 100, for example between 2 and 81, between 2 and 20, for example 6, 7, 10 or 12.
  • metal filaments any type of elongated metal filaments can be considered. Any metal can be used to provide the metal filaments.
  • the metal filaments comprise steel filaments.
  • the steel may comprise for example high carbon steel alloys, low carbon steel alloys or stainless steel alloys.
  • the metal filaments preferably have a tensile strength higher than 1000 MPa, for example higher than 1500 MPa or higher than 2000 MPa.
  • the filaments have a diameter preferably ranging between 0.04 and 2.00 mm. More preferably, the diameter of the filaments ranges between 0.10 and 1 mm as for example between 0.2 and 0.5 mm, for example 0.25, 0.33, 0.37, 0.38 or 0.45 mm.
  • All filaments of a cord may have the same diameter.
  • a cord may comprise filaments having different diameters.
  • a cord may comprise one type of filaments. All filaments of a cord have for example the same diameter and the same composition.
  • a cord may comprise different types of filaments, for example filaments having different diameter and/or different compositions.
  • the filaments of a cord may all be of the same type, for example all filaments of a cord may comprise metal filaments.
  • a cord comprises non-metal filaments next to metal filaments.
  • non-metal filaments comprise carbon or carbon based filaments of yarns, polymer filaments or polymer yarns, such as filaments or yarns made of polyamide, polyethylene, polypropylene, polyvinyl alcohol or polyester.
  • glass yarns or rovings of glass filaments can be considered.
  • the filaments preferably have a circular or substantially circular cross-section although filaments with other cross-sections, such as flattened filaments or filaments having a square or a substantially square cross-section or having a rectangular or a substantially rectangular cross-section can be considered as well.
  • the filaments can be uncoated or can be coated with a suitable coating, for example a coating giving corrosion protection.
  • Suitable coatings comprise a metal coating such as a zinc or zinc alloy coating or a polymer coating.
  • metal or metal alloy coatings comprise zinc or zinc alloy coatings, for example zinc brass coatings, zinc aluminium coatings or zinc aluminium magnesium coatings.
  • a further suitable zinc alloy coating is an alloy comprising 2 to 10% Al and 0.1 to 0.4% of a rare earth element such as La and/or Ce.
  • polymer coatings comprise polyethylene, polypropylene, polyester, polyvinyl chloride or epoxy.
  • a coating such as a coating giving corrosion protection can be applied on the filaments.
  • a coating is applied on a cord.
  • a masonry reinforcement structure according to the present invention comprises at least two cords.
  • the number of cords ranges between 2 and 500, for example between 4 and 300.
  • the number of cords is for example 10, 20, 50, 100, 200 or 300.
  • the different cords of a masonry reinforcement structure according to the present invention are spaced apart.
  • the distance between cords may vary within a wide range, the distance between neighbouring cords is for example higher than 1 mm and lower than 80 cm.
  • the distance between neighbouring is for example ranging between 1 mm and 10 cm, for example 5 mm, 1 cm, 2 cm, 3 cm, 5 cm, 7 cm or 8 cm.
  • the distance between neighbouring cords can be equal over the width of the structure of the masonry reinforcement structure.
  • the distance between neighbouring cords is lower in some areas of the masonry reinforcement structure, for example in areas where stresses are high.
  • the distance between neighbouring cords can for example be lower at the outer sides of the masonry reinforcement structure compared to the distance between neighbouring cords in the middle portion of the masonry reinforcement structure.
  • a masonry reinforcement structure according to the present invention may comprise one type of cords. All cords of a masonry reinforcement structure have for example the same construction and comprise the same material.
  • a masonry reinforcement structure comprises a number of different types of cords, for example cords having a different construction.
  • a masonry reinforcement structure according to the present invention comprises cords that are in a mutual parallel position or in a mutual substantially parallel position oriented in the length direction of the masonry reinforcement structure.
  • the cords are kept and secured in their mutual parallel or mutual substantially parallel position and this during manufacturing, transporting, installation and once installed.
  • the cords are for example kept in in their mutual parallel or mutual substantially parallel position by coupling the cords to a substrate or by integrating the cords in a structure.
  • coupling includes connecting, joining, bonding, gluing, adhering, laminating . . . .
  • the cords can be coupled, joined, bonded, glued, adhered, laminated to the substrate by any technique known in the art. Preferred techniques comprise stitching, knitting, embroidering, gluing, welding and melting.
  • any substrate allowing the coupling of the cords to can be considered, either substrates comprising a metal or a non-metal material or substrates comprising both a metal and a non-metal material.
  • Suitable substrates comprise woven structures, non-woven structures, films, strips, foils, meshes, grids or foams.
  • non-woven substrates needlebonded, waterbonded, spunbonded, airlaid, wetlaid or extruded substrates can be considered.
  • Preferred foils or grids are foils or grids obtained by extrusion, for example foils or grids comprising polypropylene, polyethylene, polyamide, polyester or polyurethane.
  • Preferred metal substrates comprise metal grids or metal meshes, for example steel grids or steel meshes.
  • the substrate may comprise an open structure or alternatively a closed structure.
  • a substrate having an open structure has the advantage that it is permeable for the glue or mortar when installed in the masonry. Furthermore open structures have a lower weight and higher flexibility.
  • Substrates comprising a non-metal material comprise for example glass, carbon or polymer material.
  • Preferred polymer materials comprise polyester, polyamide, polypropylene, polyethylene, polyvinyl alcohol, polyurethane, polyethersulphone, or any combination thereof.
  • steel substrates for example substrates made of steel wire such as meshes or grids can be considered.
  • a preferred way of coupling the cords to a substrate is by gluing the cords to a substrate, for example a substrate comprising carbon or carbon based filaments of yarns, polymer filaments or polymer yarns or glass yarns or rovings. Any type of glue of hot melt suitable to couple the cords to the substrate can be considered.
  • Another preferred way of coupling the cords to a substrate is by using at least one yarn.
  • the number of yarns used is higher than 1.
  • the number of yarns is for example ranging between 1 and 100; for example ranging between 1 and 50, for example 10.
  • the at least one yarn holds the cords in their mutual parallel or substantially parallel position and ensures that the cords are secured in their mutual parallel or mutual substantially parallel position and this during the manufacturing, storing, transporting, installation and use of the masonry reinforcement structure.
  • the at least one yarn forms stitches to couple the cords to the substrate.
  • the stitches are preferably formed around the cords.
  • the stitches are preferably formed by at least one operation selected from stitching, knitting or embroidering.
  • the yarn comprises preferably a textile yarn.
  • Yarn any fiber, filament, multifilament of long length suitable for use in the production of textiles.
  • Yarns comprise for example spun yarns, zero-twist yarns, single filaments (monofilaments) with or without a twist, narrow strip of materials with or without twist, intended for use in a textile structures.
  • the at least one yarn may comprise a natural material, a synthetic material or a metal or metal alloy.
  • Preferred metal or metal alloys comprise steel such as low carbon steel, high carbon steel or stainless steel.
  • the yarn used in the structure for the masonry reinforcement structure is suitable for use in a textile operation such as sewing, stitching, knitting, embroidery and weaving.
  • the yarn is preferably bendable.
  • the at least one yarn can be bent to a radius of curvature smaller than 5 times the equivalent diameter of the yarn. More preferably the at least one yarn can be bent to a radius of curvature lower than 4 times the diameter of the yarn, lower than 2 times the diameter of the yarn or even lower than the diameter of the yarn.
  • the yarn used is preferably suitable to hold and secure the cords in their mutual parallel or mutual substantially parallel position. It is clear that the yarn used preferably allows to maintain the flexibility of the structure so that the structure can be rolled up and rolled out easily.
  • integrating the cords in a structure includes embedding the cords in a matrix material such as a polymer matrix material.
  • the cords are for example embedded in a polymer strip.
  • Integrating the cords in a structure also includes the integration of the cords during the manufacturing of the structure, for example the integration of the cords in a woven structure during the manufacturing of the woven structure or of a knitted structure during the manufacturing of the knitted structure.
  • the cords can be integrated in a non-woven structure during the manufacturing of the non-woven structure.
  • the cords are for example integrated in the warp direction of the woven structure.
  • the cords are for example integrated in the longitudinal direction of the knitted structure.
  • the masonry reinforcement structure comprises a woven structure comprising cords in the warp direction.
  • the weft direction comprises for example the least one yarn.
  • the cords are hold in their mutual parallel or mutual substantially parallel position by the at least one yarn.
  • a woven fabric according to the present invention may comprise other elements such as yarns in the warp direction next to the cords.
  • the masonry reinforcement structure comprises a knitted structure wherein the stitches are formed by at least one yarn.
  • the masonry reinforcement structure can easily be rolled up and rolled out. Furthermore when rolled out the masonry reinforcement structure lies in a flat position and remains in a flat position without requiring additional precautions or steps to obtain a flat position.
  • the masonry reinforcement structure can be easily cut to the required length.
  • a further advantage of a masonry reinforcement structure according to the present invention is the minimal thickness of the masonry reinforcement structure allowing easy positioning in the joints (for example glue joints or mortar joints).
  • the masonry reinforcement structure may have an open structure or alternatively a closed structure.
  • a masonry reinforcement structure having an open structure has the advantage that it that it is permeable for the glue or mortar. Furthermore open structures have a lower weight and higher flexibility.
  • the masonry reinforcement structure consists of metal, for example of steel.
  • masonry reinforcement structure consists of one material, this may simplify the recycling of the masonry reinforcement structure or of a masonry structure reinforced with a masonry reinforcement structure.
  • Examples of masonry reinforcement structures consisting of steel comprise
  • the method comprises the steps of:
  • a preferred method of manufacturing a masonry reinforcement structure according to the present invention comprises the steps of
  • the coupling of the at least two cords to the substrate is preferably obtained by stitching, knitting, embroidering, gluing, laminating, welding or melting.
  • a further method of manufacturing a masonry reinforcement structure according to the present invention comprises the steps of
  • the cords are for example integrated in a polymer strip, for example during extrusion of the polymer material.
  • the cords are integrated in a woven structure, for example during the weaving of the woven structure.
  • the cords are for example integrated in the warp direction of the woven structure.
  • the cords are integrated in a knitted structure, for example during the manufacturing of the knitted structure.
  • the cords are integrated in a non-woven structure, for example in a spunlaid or wetlaid structure during the manufacturing of the structure.
  • Still a further method of manufacturing a masonry reinforcement structure according to the present invention comprises the steps of
  • a roll of a masonry reinforcement structure as described above is provided.
  • the masonry reinforcement structure is wound or coiled to form said roll.
  • the masonry reinforcement structure according to the present invention is flexible, the structure can easily be rolled up and rolled out.
  • a method to install a masonry reinforcement structure as described above comprises the steps of
  • the masonry reinforcement structure can be installed in said joint by first applying a layer of mortar or glue on the upper surface of the last layer of units or bricks and by subsequently applying the masonry reinforcement structure.
  • the masonry reinforcement structure can be installed in said joint by first applying the masonry reinforcement structure on the upper surface of the last layer of units or bricks and by subsequently applying a layer of mortar or glue on the masonry reinforcement structure.
  • a first layer of mortar or glue is applied on the upper surface of the last layer of units or bricks
  • the masonry reinforcement structure is applied on the masonry reinforcement structure, followed by the application of a second layer of mortar or glue on the masonry reinforcement structure.
  • masonry reinforced with at least one masonry reinforcement structure according to the present invention is provided.
  • the masonry comprises a number of layers of units or bricks and joints between two neighbouring layers of units or bricks. At least one joint is reinforced by a masonry reinforcement structure according to the present invention.
  • the joints may comprise mortar joints or glue joints.
  • FIG. 1 is an illustration of a masonry reinforcement structure comprising cords glued to a substrate
  • FIG. 2 is an illustration of a masonry reinforcement structure comprising cords stitched to a substrate
  • FIG. 3 is an illustration of a masonry reinforcement structure comprising cords in a woven structure
  • FIG. 4 is an illustration of a masonry reinforcement structure comprising an alternative woven structure
  • FIG. 5 is an illustration of a masonry reinforcement structure comprising cords in a knitted structure
  • FIG. 6 is an illustration of a masonry reinforcement structure comprising cords embedded in a polymer material.
  • FIG. 1 is an illustration of a masonry reinforcement structure 100 comprising parallel cords 102 glued to a substrate 110 .
  • a preferred steel cord 102 comprises between 2 and 12 filaments, for example a cord having one core filament having a diameter of 0.37 mm and 6 filaments having a diameter of 0.33 m around this core filament (0.37+6 ⁇ 0.33).
  • the steel cords 102 are oriented in a substantially parallel position.
  • the substrate 110 comprises for example a woven or non-woven polymer structure.
  • the substrate 110 has an open structure.
  • the steel cords 102 are glued to a substrate 110 .
  • the substrate 110 may comprise a polymer material, glass, carbon, metal such as steel or any combination thereof.
  • the substrate 110 is for example a grid or foil obtained by extrusion.
  • the substrate 110 comprises a woven or non-woven structure, for example a woven or non-woven polymer structure or a woven or non-woven metal substrate.
  • non-woven structures comprise a needlepunched or spunbond non-woven substrate, for example in polyamide, polyether sulphone of polypropylene.
  • the structure 100 comprises steel cords 102 that are glued to a non-woven polyether sulphone substrate 110 or to an extruded polypropylene grid (35 g/m 2 having a 6 ⁇ 6 mm mesh).
  • the structure 100 comprises steel cords 102 that are glued to a substrate 110 made of glass fibers or glass rovings or to a substrate 110 comprising carbon filaments.
  • FIG. 2 is an illustration of a masonry reinforcement structure 200 comprising parallel cords 202 stitched to a substrate 210 by means of yarn 204 .
  • the cords 202 are for example steel cords comprising 3 filaments having a diameter of 0.48 mm twisted together (3 ⁇ 0.48 mm).
  • the yarn 204 forms stitches to hold the cords 202 in their mutual parallel or mutual substantially parallel position.
  • the substrate 210 comprises for example a woven or non-woven polymer structure.
  • the cords comprise steel cords that are stitched to a polymer substrate for example a non-woven polyether sulphone substrate by means of a polyether sulphone yarn.
  • the cords are steel cords stitched to a metal substrate, for example a steel mesh or steel grid by a metal yarn, for example a steel yarn.
  • a metal yarn for example a steel yarn.
  • Such structure fully consisting of one material, more particularly metal (steel) is easier to recycle compared to structures comprising a number of different materials.
  • FIG. 3 is an illustration of a masonry reinforcement structure 300 comprising a woven structure.
  • the woven structure 300 comprises steel cords 302 in the warp direction.
  • a preferred steel cord comprises between 2 and 12 filaments, for example a cord having one core filament having a diameter of 0.37 mm and 6 filaments having a diameter of 0.33 m around this core filament (0.37+6 ⁇ 0.33).
  • the weft direction comprises for example a polymer yarn 304 , such as a polyamide, a polyether sulphone, a polyvinyl alcohol or a polypropylene yarn.
  • a polymer yarn 304 such as a polyamide, a polyether sulphone, a polyvinyl alcohol or a polypropylene yarn.
  • the masonry reinforcement structure 300 is preferably an open structure permeable for the glue or mortar.
  • FIG. 4 shows a second embodiment of a woven masonry reinforcement structure 400 .
  • the masonry reinforcement structure 400 comprises cords integrated in a woven structure 400 .
  • the woven structure 400 comprises in the warp direction a combination of polymer yarns 402 and steel cords 402 .
  • the weft direction comprises a polymer yarn 404 .
  • FIG. 5 shows a masonry reinforcement structure 500 comprising a knitted structure.
  • the knitted structure 500 comprises steel cords 502 as pillar threads.
  • the steel cords 502 comprise for example steel cords comprising 3 filaments having a diameter of 0.48 mm twisted together (3 ⁇ 0.48 mm).
  • Another suitable steel cord comprises a cord having one core filament having a diameter of 0.6 mm and 5 filaments having a diameter of 0.73 mm around this core filament (0.6+5 ⁇ 0.73 mm).
  • the structure further comprises yarn 504 and yarn 506 to keep the steel cords in their mutual parallel or mutual substantially parallel position.
  • the yarn 504 is for example a multifilament yarn, preferably a polyamide, a polyether sulphone, a polyvinyl alcohol or a polypropylene yarn.
  • the yarn 504 may also comprise a metal yarn.
  • the yarn 506 is connecting neighbouring steel cords 502 .
  • the monofilament yarn 506 is preferably a polyamide, a polyether sulphone, a polyvinyl alcohol or a polypropylene yarn.
  • the yarn 506 may also comprise a metal yarn.
  • FIG. 6 is an illustration of a masonry reinforcement structure 400 comprising cords 602 embedded in strip of a polymer material 604 .

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  • Engineering & Computer Science (AREA)
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  • Structural Engineering (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Woven Fabrics (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Revetment (AREA)
  • Laminated Bodies (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
US14/771,984 2013-04-04 2014-04-03 A masonry reinforcement structure comprising parallel cords Abandoned US20160010348A1 (en)

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EP13162261.5 2013-04-04
EP13162261 2013-04-04
EP13162259.9 2013-04-04
EP13162259 2013-04-04
PCT/EP2014/056684 WO2014161932A1 (en) 2013-04-04 2014-04-03 A masonry reinforcement structure comprising parallel cords

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ES (2) ES2653688T3 (pl)
HU (2) HUE035225T2 (pl)
NO (2) NO2981659T3 (pl)
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Cited By (3)

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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
US9885176B2 (en) * 2013-04-04 2018-02-06 Nv Bekaert Sa Masonry reinforcement structure comprising parallel cords
CN109642404A (zh) * 2016-08-26 2019-04-16 米奇有限责任公司 加固的土工格栅及其生产方法

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IL294811A (en) 2020-03-04 2022-09-01 Bekaert Sa Nv 3D concrete printing with flexible reinforcement structure
EP4182514A4 (en) * 2020-07-17 2024-07-31 CRT Manufacturing SDN. BHD. Reinforcement mesh and method for producing thereof
JP7630086B2 (ja) * 2020-11-27 2025-02-17 パナソニックＩｐマネジメント株式会社 金属線
WO2023097350A1 (de) * 2021-12-01 2023-06-08 Bauhütte Leitl-Werke Gesellschaft M.B.H. Verfahren zur bildung eines mauerwerks

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WO2004101909A1 (en) * 2003-05-14 2004-11-25 N.V. Bekaert S.A. Pultruded composite profile reinforced by metal cords
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EP1690966A1 (en) * 2005-02-10 2006-08-16 NV Bekaert SA Woven fabric comprising leno weave bound metal elements

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Publication number Priority date Publication date Assignee Title
US9885176B2 (en) * 2013-04-04 2018-02-06 Nv Bekaert Sa Masonry reinforcement structure comprising parallel cords
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
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
CN109642404A (zh) * 2016-08-26 2019-04-16 米奇有限责任公司 加固的土工格栅及其生产方法

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EP2981659B1 (en) 2017-10-04
ES2653688T3 (es) 2018-02-08
SI2981659T1 (en) 2018-01-31
PL2981659T3 (pl) 2018-03-30
HUE035740T2 (en) 2018-05-28
PT2981658T (pt) 2017-12-26
PL2981658T3 (pl) 2018-02-28
WO2014161932A1 (en) 2014-10-09
EP2981658B1 (en) 2017-10-04
NO2981659T3 (pl) 2018-03-03
PT2981659T (pt) 2017-12-26
WO2014161944A1 (en) 2014-10-09
DK2981658T3 (en) 2018-01-02
HUE035225T2 (en) 2018-05-02
SI2981658T1 (en) 2018-02-28
US9885176B2 (en) 2018-02-06
EP2981658A1 (en) 2016-02-10
ES2652646T3 (es) 2018-02-05
NO2981658T3 (pl) 2018-03-03
EP2981659A1 (en) 2016-02-10
DK2981659T3 (en) 2018-01-08
US20170175387A1 (en) 2017-06-22

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