EP3599319A1 - Faisceau de construction composite - Google Patents

Faisceau de construction composite Download PDF

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Publication number
EP3599319A1
EP3599319A1 EP19000347.5A EP19000347A EP3599319A1 EP 3599319 A1 EP3599319 A1 EP 3599319A1 EP 19000347 A EP19000347 A EP 19000347A EP 3599319 A1 EP3599319 A1 EP 3599319A1
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EP
European Patent Office
Prior art keywords
reinforcement
composite
web
area
tensile
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Withdrawn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
EP19000347.5A
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German (de)
English (en)
Inventor
Piotr Edward WELTER
Ryszard PELC
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.)
Cavico Sp Z OO
Original Assignee
Cavico Sp Z OO
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 Cavico Sp Z OO filed Critical Cavico Sp Z OO
Publication of EP3599319A1 publication Critical patent/EP3599319A1/fr
Withdrawn legal-status Critical Current

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    • 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
    • E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures

Definitions

  • Subject matter of the invention is a composite constructional beam with two-sided reinforcement of composite material, that finds its application as an element of supporting constructions like: floor beam, flat roofs, rafters, or construction's element of road infrastructure.
  • the beam as a constructional element will find its application in civil engineering, as floor beams, flat roofs and rafters, the advantages from using this beam result from its properties, that allow to apply its [the beam's] application in different, extreme climate conditions and in seismically active regions.
  • the beams are characterised by low own mass, large endurance and stiffness, high level of durability and thermal insulation.
  • the floor construction is light and does not require heavy equipment for assembly, i.e. cranes, and is thermal and acoustic insulating.
  • In the beam's web technical holes may be rendered through which installation elements may be routed, e.g. ventilation in the floor.
  • the beam finds its application in particular in industrial building trade, where the constructional elements are exposed to aggressive environment.
  • the beams are resistant i. a. to acids and salts, and the composite reinforcements do not undergo corrosion, decomposition and are insensitive to moisture.
  • the invention will also find its application in road infrastructure, as a constructional element of footbridges, bridges and viaducts, due to a freedom in configuring the beam's height, width and length as well as the time and cost of its manufacturing.
  • the beam's length is determined on the basis of the available lengths of the beam's web board elements, i.e. up to 18m and/or is extended by connecting the elements to one another frontally and/or overlapping by using more than one piece of board connected to one another in the width.
  • I-beams from connected wood-based materials, e.g. web made of fibreboard, OSB, particle board and/or plywood and flanges that resist tensile and compressive forces, [the flanges] made of the same material: solid wood or LVL board.
  • glulam may also be included.
  • the material of the best resistance to compression is placed in the compressive area and the material of best resistance to tension is placed in the tensile area; multi-tasking and universality through application of one type of product for different sites and environments, selecting the appropriate length, height and width of the beam. In the beam's web through holes may be rendered.
  • the essence of the invention is a composite constructional beam with two-sided reinforcement of composite material constructed from a web, a reinforcement in the compressive area and a reinforcement in the tensile area, characterized in that the web constitutes one or more boards bonded to one another in width; whereupon one of the marginal edges of the beam's web is flat or is in the axis and undergoes treatment by milling by a round or rectangular mill in an U-shape; whereas the beam's web is the carrier of reinforcement situated in its [the beam's] marginal places; the compressive reinforcement is situated in the compressive area of the beam and the tensile reinforcement is situated in the tensile area of the beam in the place of the flat marginal edge or in the place of the extracted material in the U-shape created after treatment by milling; additionally the reinforcement of the tensile area is protected by insulating material and/or foil.
  • the boards being the beam's web are made of wood and/or wood-based material and/or plastic and/or cement and/or mineral and/or composite material.
  • the reinforcement of the compressive area is made of composite material having a particular resistance to compression produced on the basis of polymer and/or cement and aggregate with additives.
  • the reinforcement of the tensile area is made of composite material having a particular resistance to tension produced on the basis of polymer and synthetic and/or natural fibres; glass and/or basalt and/or carbon and/or mixed-hybrid, including produced in the lamination method according to the Polish patent application Np. P.419471 and/or on the basis of composite with a use of rods of FRP and/or of steel.
  • the further subject matter of the invention is a composite constructional beam with two-sided reinforcement of composite material constructed from a web, a reinforcement in the compressive area and a reinforcement in the tensile area, characterised in that the beam's web are boards bonded to one another parallel in width and are translated with respect to one another and the gap arisen as a result of the translation creates one or more free spaces in U-Shape; whereupon the beam's web is the carrier of reinforcement situated in its [the beam's] marginal places; the compressive reinforcement is situated in the compressive area of the beam and the tensile reinforcement is situated in the tensile area of the beam in the place of the free space or spaces in U-shape; additionally the reinforcement of the tensile area is protected by an insulating material and/or a foil.
  • the minimal number of boards used in the beam's web amounts at least 3 pieces.
  • the boards are bonded to one another in width parallel at the broad plain with the translation every second board by a height dedicated for the tensile reinforcement.
  • the number of the beam's web boards bonded in width is even or uneven.
  • the boards being the beam's web are made of wood and/or wood-based material and/or plastic and/or cement and/or mineral and/or composite material.
  • the reinforcement of the compressive area is made of composite material having a particular resistance to compression produced on the basis of polymer and/or cement and aggregate with additives.
  • the reinforcement of the tensile area is made of composite material having a particular resistance to tension produced; on the basis of polymer and fibres (synthetic and/or natural) glass and/or basalt and/or carbon and/or mixed-hybrid, including produced in the lamination method according to the Polish patent application Np. P.419471 , and/or on the basis of composite with a use of rods of FRP and/or of steel.
  • the remaining free space in the place or places of the tensile area reinforcements, in which [i.e. of the free space] the composite reinforcement was laid, is filled with a thermal insulating material and/or substance and/or the whole edge is protected by a foil having a thermal resistance.
  • the invention uses a method of reinforcing a constructional element and an application of intelligently selected materials dedicated to work respectively for compression and tension.
  • the composite material used in the constructional element's reinforcement possesses superb physical and mechanical properties, i.e. mechanical endurance respectively to tension and compression, superb stiffness - low deflection at considerable load, chemical, biological and physical resistance, i. a. damping vibrations, resistance to moisture and thermal resistance that allow the use of such elements in building trade.
  • the invention may be applied globally in every, even extreme climate conditions and in seismically active regions.
  • the invention has a positive influence on the reduction of CO 2 emission, i. a. through the kind of the materials used, the insulating properties of the product and savings in the transport of the product - its [the transport's] cost and energy consumption. Furthermore an advantage of the invention is the easiness and speed of assembly, as a result of which additional savings during the building process ensue.
  • the composite materials used in the places of reinforcements are characterised by properties of increased resistance to temperature, moisture, atmospheric and biologic conditions.
  • the beam's web does not play an important role in transmitting loads what enables technical holes to be rendered in it.
  • the beam provides a high degree of thermal insulations of the constructional element due to its construction and the kind of material used to make the beam's web, what results in low thermal bridging.
  • the diversity of the possible configurations of materials used for manufacturing the constructional element dependent on the elements' designation and work environment enables a broad spectrum of the invention's applications, [the invention] demonstrating many positive endurance and resistance properties of the element, i. e. low own weight, high mechanical endurance, stiffness, chemical, physical and biological resistance.
  • the invention enables to obtain a much bigger span and beams and the spacing between them [the beams].
  • the invention may be applied in every technique of constructing [building] objects.
  • the non-complex construction of the invention enables an easy automatization of its manufacturing.
  • a narrow two-sided reinforced beam made of a single board 25mm thick and 30 to 33cm high.
  • the preparation of the beam's web (1) e.g. from OSB board takes place by cutting the board's sheet in strands of e.g. 30cm width.
  • the edge of the board is rendered to treatment by milling by a round or rectangular mill in an U-shape, of a diameter or width of 12-14mm and to the depth of 15mm.
  • polymer matrix based on e.g. epoxy resin
  • a composite tensile reinforcement (3) is laid and sticked in, the remaining free space is filled with an insulating material (4) e.g. perlite and covered with a foil (5) having some thermal resistance, e.g.
  • a composite compressive reinforcement (2) is made by using e.g. a stand form, pouring it down with composite material based on polymer or cement matrix with aggregate, e.g. polymer concrete and/or cement composite. The form is left until the full hardening of the composite.
  • the element so produced performs the function of a composite constructional beam.
  • the boards being the composite constructional beam's web (1) according to the invention may be made of wood and/or wood-based and/or plastic and/or cement and/or mineral and/or composite material.
  • the reinforcement of the compressive area (2) is made of a composite material having a particular resistance to compression produced on the basis of polymer and/or cement and aggregate with additives
  • the reinforcement of the tensile area (3) is made of a composite material having a particular resistance to tension produced on the basis of polymer and synthetic and/or natural fibres; glass and/or basalt and/or carbon and/or mixed-hybrid, - including produced in the lamination method according to the Polish patent application Np. P.419471 and/or on the basis of composite with a use of rods of FRP and/or of steel.
  • the length or the width (thickness) of the beam's web (1) is controlled by bonding to one another the boards in staggered or overlapping arrangement.
  • a wide two-sided reinforced beam made of a five boards [each] 25mm thick and 30 to 33cm high.
  • the preparation of the beam's web (1) e.g. from OSB board takes place by cutting the board's sheet in strands of e.g. 30cm width.
  • the cut boards should be connected to one another parallel along the long edge e.g. bonding it together in width maintaining flat surfaces in the compressive and tensile area of the beam's web (1).
  • a composite tensile reinforcement (3) is laid and sticked in, e.g.
  • a thin layer of insulation material (4) e.g. perlite
  • a foil (5) having some thermal resistance, e.g. of aluminium the beam is further put down until the full hardening of the composite.
  • a composite compressive reinforcement (2) is made by using e.g. a stand form, pouring it down with composite material based on polymer or cement matrix with aggregate, e.g. polymer concrete and/or cement composite. The form is left until the full hardening of the composite.
  • the element so produced performs the function of a composite constructional beam.
  • the boards being the composite constructional beam's web (1) according to the invention may be made of wood and/or wood-based and/or plastic and/or cement and/or mineral and/or composite material.
  • the reinforcement of the compressive area (2) is made of a composite material having a particular resistance to compression produced on the basis of polymer and/or cement and aggregate with additives
  • the reinforcement of the tensile area (3) is made of a composite material having a particular resistance to tension produced on the basis of polymer and synthetic and/or natural fibres; glass and/or basalt and/or carbon and/or mixed-hybrid, - including produced in the lamination method according to the Polish patent application Np. P.419471 and/or on the basis of composite with a use of rods of FRP and/or of steel.
  • the length or the width (thickness) of the beam's web (1) is controlled by bonding to one another the boards in staggered or overlapping arrangement.
  • a wide two-sided reinforced beam made of a five boards [each] 25mm thick and 30 to 33cm high.
  • the preparation of the beam's web (1) e.g. from OSB board takes place by cutting the board's sheet in strands of e.g. 30cm width.
  • the cut boards should be connected to one another parallel along the long edge e.g. bonding it together in width applying a parallel translation along the shorter edge every second board to one another, favourably maintaining a symmetry of the translations.
  • a composite tensile reinforcement (3) based on polymer matrix and fibres using e.g. carbon fibre roving and epoxy resin is laid and sticked in the place or places of the ensuing gap of the beam's web(1), and the remaining free space is filled with a insulation material (4), e.g. perlite, and covered with a foil (5) having some thermal resistance, e.g.
  • a composite compressive reinforcement (2) is made by using e.g. a stand form, pouring it down with composite material based on polymer or cement matrix with aggregate, e.g. polymer concrete and/or cement composite. The form is left until the full hardening of the composite.
  • the element so produced performs the function of a composite constructional beam.
  • the boards being the composite constructional beam's web (1) according to the invention may be made of wood and/or wood-based and/or plastic and/or cement and/or mineral and/or composite material.
  • the reinforcement of the compressive area (2) is made of a composite material having a particular resistance to compression produced on the basis of polymer and/or cement and aggregate with additives
  • the reinforcement of the tensile area (3) is made of a composite material having a particular resistance to tension produced on the basis of polymer and synthetic and/or natural fibres; glass and/or basalt and/or carbon and/or mixed-hybrid, - including produced in the lamination method according to the Polish patent application Np. P.419471 and/or on the basis of composite with a use of rods of FRP and/or of steel.
  • the length or the width (thickness) of the beam's web (1) is controlled by bonding to one another the boards in staggered or overlapping arrangement.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
EP19000347.5A 2018-07-25 2019-07-25 Faisceau de construction composite Withdrawn EP3599319A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL426455A PL426455A1 (pl) 2018-07-25 2018-07-25 Kompozytowa belka konstrukcyjna

Publications (1)

Publication Number Publication Date
EP3599319A1 true EP3599319A1 (fr) 2020-01-29

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EP19000347.5A Withdrawn EP3599319A1 (fr) 2018-07-25 2019-07-25 Faisceau de construction composite

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EP (1) EP3599319A1 (fr)
PL (1) PL426455A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024137361A1 (fr) * 2022-12-22 2024-06-27 United States Gypsum Company Poutres et colonnes de ciment renforcées par des fibres stratifiées structurales

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585393A1 (fr) * 1985-07-29 1987-01-30 Renofors France Poutre ou autre element de construction en bois renforce au moyen d'une armature, et procede pour sa realisation
FR2871089A1 (fr) * 2004-06-02 2005-12-09 Christian Plee Procede de renforcement et/ou de reparation d'une structure a renforcer
PL419471A1 (pl) 2016-11-15 2018-05-21 Cavico Spółka Z Ograniczoną Odpowiedzialnością (Spółka W Organizacji) Sposób warstwowej laminacji elementu konstrukcyjnego jednorodnym lub hybrydowym włóknistym kompozytem polimerowym metodą in-situ z wykorzystaniem wibracji ultradźwiękowych w procesie ciągłym i urządzenie do realizacji sposobu

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585393A1 (fr) * 1985-07-29 1987-01-30 Renofors France Poutre ou autre element de construction en bois renforce au moyen d'une armature, et procede pour sa realisation
FR2871089A1 (fr) * 2004-06-02 2005-12-09 Christian Plee Procede de renforcement et/ou de reparation d'une structure a renforcer
PL419471A1 (pl) 2016-11-15 2018-05-21 Cavico Spółka Z Ograniczoną Odpowiedzialnością (Spółka W Organizacji) Sposób warstwowej laminacji elementu konstrukcyjnego jednorodnym lub hybrydowym włóknistym kompozytem polimerowym metodą in-situ z wykorzystaniem wibracji ultradźwiękowych w procesie ciągłym i urządzenie do realizacji sposobu

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024137361A1 (fr) * 2022-12-22 2024-06-27 United States Gypsum Company Poutres et colonnes de ciment renforcées par des fibres stratifiées structurales

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