FR2649147A1 - Constructional component made of steel-reinforced wood concrete - Google Patents

Constructional component made of steel-reinforced wood concrete Download PDF

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Publication number
FR2649147A1
FR2649147A1 FR8909007A FR8909007A FR2649147A1 FR 2649147 A1 FR2649147 A1 FR 2649147A1 FR 8909007 A FR8909007 A FR 8909007A FR 8909007 A FR8909007 A FR 8909007A FR 2649147 A1 FR2649147 A1 FR 2649147A1
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Prior art keywords
wood
strip
part according
steel
constructional component
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FR8909007A
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French (fr)
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FR2649147B1 (en
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PERAZZI EDGARD
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PERAZZI EDGARD
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Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • 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
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/09—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders at least partly of bent or otherwise deformed strip- or sheet-like material
    • 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
    • E04C3/12—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
    • E04C3/18—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members with metal or other reinforcements or tensioning members
    • 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
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0421—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section comprising one single unitary part
    • 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
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • 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
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0482—Z- or S-shaped
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

Constructional component made of steel-reinforced wood concrete composed of an artificial agglomerate with 30 to 40% of treated wood chips, 20 to 30% of cement, 30% of water, in which a reinforcement is encased which is intended to withstand the forces due to loads. The low density of this material, 0.8 to 1.1, will provide amateurs and professionals with a constructional component of trapezoidal, rectangular, square, triangular or circular cross-section which is lightweight, noninflammable, rot-proof, non-ageing, and which can be sawed, nailed, has the appearance of wood, and the advantages of reinforced concrete.

Description

La présente invention concerne une pièce de construction fabriquée ou préfabriquée en béton de bois armé d'acier. The present invention relates to a construction part manufactured or prefabricated in wood concrete reinforced with steel.

Il est fréquent de réaliser la structure des combles en assemblant des pannes et des chevrons en bois. It is common to achieve the structure of the attic by assembling purlins and wooden rafters.

Outre la difficulté de trouver dans le commerce des pièces de bois rectilignes, séches, non résineuses, vulnérables au feu, notamment lorsque les flammes extérieures pénètrent par les génoises,
outre l'entretien régulier et onéreux de ces pièces de bois pour éviter leur pourrissement,
et l'emploi du béton de bois, seul, composé de granulats de bois, de ciment, d'eau, selon le procédé de M. GUIDAT, brevet nt 88 02941/2.499.551 , principalement mis en oeuvre en isolation thermique, mais présentant une très faible résistance à la traction par flexion la présente invention vise à remédier à ces inconvénients.Besides the difficulty of finding commercially available straight, dry, non-resinous pieces of wood, vulnerable to fire, especially when the external flames penetrate through the sponge cakes,
in addition to the regular and expensive maintenance of these pieces of wood to avoid their rotting,
and the use of wood concrete, alone, composed of wood aggregates, cement, water, according to the method of M. GUIDAT, patent nt 88 02941 / 2.499.551, mainly used in thermal insulation, but having a very low tensile strength by bending, the present invention aims to remedy these drawbacks.

La pièce de construction est composée d'un agglomérat artificiel de 30 à 40 % de copeaux de bois traités, 20 à 30 % de ciment, 30 % d'eau, et dans lequel est enrobé un feuillard alvéolé de 10 à 25/10e destiné à résister à des efforts de charge et dont la section transversale se rapproche d'un Z allongé : la dimension de l'rame étant le double de celle des ailes ou d'un I possédant le meme rapport de dimensions que le Z et permettant une mise en oeuvre de cette pièce sans aucun sens particulier de pose. La pièce de construction est inaltérable, imputrescible, ininflammable, isothermique, isophonique. The construction part is composed of an artificial agglomerate of 30 to 40% of treated wood chips, 20 to 30% of cement, 30% of water, and in which is coated a honeycomb strip of 10 to 25 / 10e intended to resist load forces and whose cross section is close to an elongated Z: the size of the oar being twice that of the wings or an I having the same ratio of dimensions as the Z and allowing a implementation of this part without any particular direction of installation. The building part is unalterable, rot-proof, non-flammable, isothermal, isophonic.

A cet effet, la pièce de construction en béton de bois armk. est un agglomérat artificiel composé de 30 à 40 % de copeaux de bois traités pour être dépourvus de champignons, 20 à 30 % de ciment, 30 % d'eau, et dans lequel sont enrobées des armatures longitudinales et transversales ligaturées selon les régles de calculs de béton armé ou un feuillard en tôle d'acier, de préférence alvéolé, dont la section transversale se rapproche d'un Z allongé (fig. 2) et dont la dimension de l'âme (1) est le double de celle des ailes (2) ou d'un I (fig. 3) possédant le mêre rapport de dimension.Les'alvéoles régulières du feuillard (3) en tôle d'acier, dont la surface de 4 cm2 minimum est d'une forme géométrique quelconque, avec une préférence pour le dessin d'un losange laissant une surface de montants importante (4) pour résister aux efforts de flexion, présentent l'avantage de laisser passer les granulats de bois enrobés de ciment et d'eau, de réduire la masse volumique de la pièce par rapport à un ferraillage classique et contribuent à rendre ce matériau homogène et dense. For this purpose, the building part in armk wood concrete. is an artificial agglomerate composed of 30 to 40% of wood shavings treated to be free of fungi, 20 to 30% of cement, 30% of water, and in which are coated longitudinal and transverse reinforcements ligated according to the rules of calculations of reinforced concrete or a strip of sheet steel, preferably honeycomb, whose cross section is close to an elongated Z (fig. 2) and whose dimension of the core (1) is twice that of the wings (2) or an I (fig. 3) having the same dimension ratio. The regular cells of the strip (3) made of sheet steel, the surface of which is at least 4 cm2 of any geometric shape, with a preference for the design of a rhombus leaving a large area of uprights (4) to resist bending forces, have the advantage of letting the wood aggregates coated with cement and water, reduce the density of the part compared to a conventional reinforcement and c contribute to making this material homogeneous and dense.

De par sa faible densité (0.8 à 1.1), la présente invention mettra à la disposition de l'amateur et du professionnel des pièces de bois armées de section trapézoïdale (fig. la), rectangulaire (fig. lb), carrée (fig. Due to its low density (0.8 to 1.1), the present invention will make available to the amateur and the professional pieces of reinforced wood with a trapezoidal (fig. La), rectangular (fig. Lb), square (fig.

lc), triangulaire (fig. ldi, circulaire (fig. le), légères, ininflammables, inaltérables, clouables, imputrescibles, ' sciables, vissables sans cheville, économiques, possédant l'aspect du bois, les avantages du béton armé et, par conséquent, pouvant se substituer aux pieces de bois telles que les pannes, les chanlattes, les socles, les chevrons, les longerons, les planches utilisées principalement dans la structure des combles ou des planchers de bâtiments ou dans tous les ouvrages réservés au bois.lc), triangular (fig. ldi, circular (fig. le), light, non-flammable, unalterable, nailable, rot-proof, sawn, screwable without ankle, economical, having the appearance of wood, the advantages of reinforced concrete and, by Consequently, being able to replace pieces of wood such as purlins, chanlattes, plinths, rafters, beams, planks used mainly in the structure of attics or floors of buildings or in all works reserved for wood.

A partir du procédé de transformation des particules de bois, selon le brevet de M.. GUIDANT, il est possible de faire maintenant des mélanges ciment-bois et d'obtenir un matériau dépourvu de champignons, stable, inerte et de compatibilité chimique. From the process of transformation of wood particles, according to the patent of M. GUIDANT, it is now possible to make cement-wood mixtures and to obtain a material devoid of fungi, stable, inert and of chemical compatibility.

Pour illustrer les avantages de ce matériau nouveau, une poutre en béton armée traditionnelle de G.15 cm de large, 0.22 cm de hauteur et 1 m de long pèse 55 kg ; la pièce de béton de bois armée, de même dimension, pèsera entre 18 kg et 25 kg ; l'économie de poids, de tordre de 55 à 67 % par rapport au béton armé classique a pour effet de réduire les efforts aux appuis de ces pièces, de diminuer les résultats de la descente de charges et, dans l'éventualité d'une construction légère, faite principalement avec ces pièces, une économie conséquente du volure des semelles de fondations de l'ouvrage. To illustrate the advantages of this new material, a traditional reinforced concrete beam of G.15 cm wide, 0.22 cm high and 1 m long weighs 55 kg; the piece of reinforced wood concrete, of the same dimension, will weigh between 18 kg and 25 kg; the saving in weight, of twisting from 55 to 67% compared to conventional reinforced concrete has the effect of reducing the stresses on the supports of these parts, of reducing the results of the descent of loads and, in the event of a light construction, made mainly with these parts, a substantial saving in the size of the foundation footings of the structure.

De plus, l'incorporation dans le béton de bois d'un feuillard en tôle d'acier, dont la section transersale se rapproche d'un Z (fig. 2) ou d'un
I (fig. 3) ou toute autre forme symétrique, permet à l'utilisateur de se servir de cette pièce dans n'importe quel sens et d'obtenir aussi une contrainte de compression adtrissible en flexion simple dépassant les 64 bars, soit plus de la moitié de celle d'un béton traditionnel.In addition, the incorporation in wood concrete of a sheet steel sheet, the cross section of which approximates a Z (fig. 2) or a
I (fig. 3) or any other symmetrical shape, allows the user to use this part in any direction and also to obtain a compressible compressible stress in simple bending exceeding 64 bars, ie more than half that of traditional concrete.

Pour que ce matériau se rapproche de l'aspect du bois, il pourra être prévu, en plus de l'incorporation d'un colorant au moment du coulage et fixé contre les parois apparentes de la pièce, un dessin représentant l'empreinte des veines du bois ou un autre motif de décoration.  To bring this material closer to the appearance of wood, it may be provided, in addition to the incorporation of a dye at the time of casting and fixed against the visible walls of the part, a drawing representing the imprint of the veins wood or another decorative motif.

REFERENCES 1. âme 2. ailes 3. feuillard 4. surface de montants  REFERENCES 1. core 2. wings 3. strip 4. upright surface

Claims (8)

REVENDICATIONS 1. Pièce de construction caractérisée par le fait 1. Construction part characterized by the fact qu'elle est composée d'un agglomérat artificiel de 30 à 40 - de copeaux de bois traités, 20 à 30 < de ciment, 30 ,r: d'eau, et dans lequel est enrobé un feuillard alvéolé. that it is composed of an artificial agglomerate of 30 to 40 - of treated wood shavings, 20 to 30 <of cement, 30, r: of water, and in which is coated a honeycomb strip. 2. Pièce de construction, selon la revendication 1, caractérisée par le fait 2. Construction part according to claim 1, characterized in that que la section transversale du feuillard alvéolé se rapproche d'un that the cross section of the honeycomb strip approaches 3. Pièce de construction, selon la revendication 2, caractérisée par le fait 3. Building part according to claim 2, characterized in that que la dimension de l'âme (1) du feuillard est le double de celle des ailes (2).  that the dimension of the web (1) of the strip is twice that of the wings (2). 4. Pièce de construction, selon la revendication 1. caractérisée par le fait 4. Building part according to claim 1. characterized in that que la section transversale du feuillard se rapproche d'un I. that the cross section of the strip approaches an I. 5. Pièce- de construction, selon la revendication 2, 3, ou 4 caractérisée par le fait 5. Construction part according to claim 2, 3, or 4 characterized by the fact que le feuillard comporte des alvéoles pour laisser passer les granulats de bois enrobés de ciment et d'eau, de manière à permettre une liaison béton de bois et feuillard. that the strip has cells to allow the passage of the wood aggregates coated with cement and water, so as to allow a concrete connection of wood and strip. 6. Pièce de construction, selon la revendication 5, caractérisée par le fait 6. Building part according to claim 5, characterized in that que la surface des alvéoles est au mcins de 4 cm that the surface of the alveoli is at least 4 cm 7. Pièce de construction selon la revendication 1, 2 5, . 5, ou o caractérisée par le fait7. Building part according to claim 1, 2 5,. 5, or o characterized by the fact que la ferme des alvéoles du feuillard est une forme de losange. that the firmness of the strips of the strip is a diamond shape. que les copeaux de bois sont traités pour éviter les champignons.  that the wood chips are treated to avoid fungus. 8. Pièce de construction, selon la revendication 1, caractérisée par le fait 8. Building part according to claim 1, characterized in that
FR8909007A 1989-06-29 1989-06-29 REINFORCED CONCRETE OF WOOD CONCRETE OF STEEL Expired - Fee Related FR2649147B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8909007A FR2649147B1 (en) 1989-06-29 1989-06-29 REINFORCED CONCRETE OF WOOD CONCRETE OF STEEL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8909007A FR2649147B1 (en) 1989-06-29 1989-06-29 REINFORCED CONCRETE OF WOOD CONCRETE OF STEEL

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FR2649147A1 true FR2649147A1 (en) 1991-01-04
FR2649147B1 FR2649147B1 (en) 1993-04-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1013858A3 (en) 2000-11-29 2002-10-01 Goossens Marcel Florentine Luc Construction element comprising mixture of wood particles and cement, useful as beam or pile, contains reinforcing mesh

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR472184A (en) * 1914-05-14 1914-11-25 Aime Joseph Bonna Metal beams and posts formed of plates and strips assembled by autogenous riveting
US1407608A (en) * 1918-09-20 1922-02-21 Wawrzyniak Walenty Building material
CH261579A (en) * 1948-01-14 1949-05-31 Hauser Carl Component.
US2539904A (en) * 1947-11-15 1951-01-30 Hansen Harold Cement wool building material
FR990566A (en) * 1949-07-13 1951-09-24 Materiaux De Construction Du R Lightweight, insulating, flame retardant construction material capable of withstanding loads
FR1102109A (en) * 1954-03-29 1955-10-17 Lightweight steel joists for floors
FR2014618A7 (en) * 1968-07-16 1970-04-17 Wuppermann Gmbh Theodor
DE2137496A1 (en) * 1970-08-06 1972-03-09 Vereinigte österreichische Eisen- und Stahlwerke AG, Linz (Österreich) Beam-shaped lightweight construction element

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR472184A (en) * 1914-05-14 1914-11-25 Aime Joseph Bonna Metal beams and posts formed of plates and strips assembled by autogenous riveting
US1407608A (en) * 1918-09-20 1922-02-21 Wawrzyniak Walenty Building material
US2539904A (en) * 1947-11-15 1951-01-30 Hansen Harold Cement wool building material
CH261579A (en) * 1948-01-14 1949-05-31 Hauser Carl Component.
FR990566A (en) * 1949-07-13 1951-09-24 Materiaux De Construction Du R Lightweight, insulating, flame retardant construction material capable of withstanding loads
FR1102109A (en) * 1954-03-29 1955-10-17 Lightweight steel joists for floors
FR2014618A7 (en) * 1968-07-16 1970-04-17 Wuppermann Gmbh Theodor
DE2137496A1 (en) * 1970-08-06 1972-03-09 Vereinigte österreichische Eisen- und Stahlwerke AG, Linz (Österreich) Beam-shaped lightweight construction element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1013858A3 (en) 2000-11-29 2002-10-01 Goossens Marcel Florentine Luc Construction element comprising mixture of wood particles and cement, useful as beam or pile, contains reinforcing mesh

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