EP0815330B1 - Element en plaque composite - Google Patents

Element en plaque composite Download PDF

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Publication number
EP0815330B1
EP0815330B1 EP96902293A EP96902293A EP0815330B1 EP 0815330 B1 EP0815330 B1 EP 0815330B1 EP 96902293 A EP96902293 A EP 96902293A EP 96902293 A EP96902293 A EP 96902293A EP 0815330 B1 EP0815330 B1 EP 0815330B1
Authority
EP
European Patent Office
Prior art keywords
joist
sheeting
composite slab
concrete
slab element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96902293A
Other languages
German (de)
English (en)
Other versions
EP0815330A1 (fr
Inventor
Yrjö Kalevi Wederhorn
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0815330A1 publication Critical patent/EP0815330A1/fr
Application granted granted Critical
Publication of EP0815330B1 publication Critical patent/EP0815330B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04C3/12—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
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/12—Load-carrying floor structures formed substantially of prefabricated units with wooden beams
    • 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
    • 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
    • E04C3/292—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being wood and metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
    • E04B2005/232—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with special provisions for connecting wooden stiffening ribs or other wooden beam-like formations to the concrete slab
    • E04B2005/237—Separate connecting elements

Definitions

  • the invention relates to an industrially produced composite slab element according to the first part of claim 1.
  • Such a slab element is known from SE-A-443598.
  • Slab elements are used mainly as base, intermediate and upper floors in detached houses, terraced houses, small apartment houses and indutrial halls. With the concrete side mounted downward, the element is also well adaptable as a s.c. Radon preventing base floor.
  • the object of this invention is to remove the above disadvantages and to produce a composite slab element, by which a light and strong construction is achieved.
  • the composite slab element according to the invention is characterized by the features mentioned in claim 1.
  • the advantage of the invention is, in the first place, the simplification of manufacture compared with previously known technology. It is also an advantage that a significantly longer effective span and a lighter construction are achieved, due to which the element transportation and handling costs are reduced.
  • a further significant advantage is also the space left between the joists, allowing heating, plumbing, air conditioning and electric installations as well as sufficient sound and thermal insulation. Through pre-stamped openings in the sheeting, transverse heating, plumbing, air conditioning and electric installations can be done. The ease of making stair and other openings can also be considered an advantage, as well as the soffit of joists functioning as studs and to which different roofing materials can be directly fixed by nails.
  • a significant advantage is reached in fire protection, since the location of the composite and reinforcement metal sheeting is between fire-retardant wooden parts.
  • Figure 1 shows a composite slab element according to the invention comprising a concrete cast portion 1 including a steel net as reinforcement 2 of the construction.
  • a concrete cast portion 1 including a steel net as reinforcement 2 of the construction.
  • Under the concrete slab at a distance from each other, there are joists, both of them made of two wooden joist elements 8, between which a metal sheeting 4 is pressed.
  • the metal sheeting has prongs 7 on both sides, the sheeting reaching to the lower edge of the joists and the upper edge of sheeting 4 protruding from between the joist elements 8 to the concrete.
  • the continuous sheeting 4 in the element attaches the wooden joists to the concrete.
  • the element has also an intermediate purlin 5 transversal between the joists.
  • the element is manufactured in that in the first stage the cut-to-size joist elements 8 and the sheeting 4 are pressed together. In the second stage the joists are connected for a certain spacing and the intermediate purlins 5 fixed in place.
  • a sealing compound is casted as a layer of appr. 50 mm into a mould having a demountable edge and levelled by vibration.
  • a steel net 2 is then mounted on the sealing compound, whereafter the joist frame with intermediate purlins is put on reinforcement 2 in the sealing compound, vibrated and pressed into the concrete till the sheeting has sunk 25 mm and intermediate purlins ab. 2 - 3 mm into the concrete. The element is then left to cure and to become solid.
  • Figure 2 shows the element from the rear and partly sectioned and figure 3 shows a side view of the same element, partly sectioned.
  • openings 6 are made spaced from each other, through which transversal plumbings and wirings are possible.
  • figure 4 the element is upside down and in this position applicable for installation as a base floor and, for instance as an embodiment, to prevent Radon hazards due to its dense structure.
  • Figure 5 shows an example of a joist applicable in conjunction with the invention.
  • a great bearing capacity is reached by making the joist of several elements using two sheetings 4 and 14.
  • the upper part 13 of sheeting 4 reaches into the cast portion 1.
  • Joist elements 8 and 9 of joist upper part are joined together by sheeting 4, whereat plywood web 10 is also engaged with the upper part.
  • the joist lower part is assembled by means of sheeting 14, into which elements 11 and 12 and web 10 are pressed. Most conveniently, the elements 8,9,11 and 12 are of wood.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Floor Finish (AREA)
  • Laminated Bodies (AREA)
  • Cereal-Derived Products (AREA)
  • Reinforcement Elements For Buildings (AREA)

Claims (4)

  1. Un élément en plaque composite comprenant une section moulée (1), par exemple en béton, un renforcement intégré (2), par exemple un treillis en acier, des poutrelles et éventuellement des pannes intermédiaires (5), caractérisé en ce qu'au moins l'une des poutrelles comporte au moins deux éléments parallèles (8, 9, 10, 11, 12) entre lesquels une feuille métallique (4) est placée, l'extrémité (13) de cette feuille métallique s'étendant hors de la poutrelle, jusqu'à la section moulée (1) de façon à ce que la feuille métallique sert tant d'élément de liaison que d'élément de renforcement.
  2. Un élément en plaque composite selon la revendication 1, caractérisé en ce que le joint entre les éléments, le béton et la feuille métallique a été réalisé à l'aide de griffes (7) poinçonnées de façon à saillir hors de la feuille.
  3. Un élément en plaque composite selon l'une quelconque des revendications 1 ou 3, caractérisé en ce que la feuille métallique s'étend de la section moulée (1) au bord inférieur de la poutrelle.
  4. Un élément en plaque composite selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que la poutrelle est composée de plusieurs éléments (8, 9, 10, 11, 12) et de feuilles (4, 14) reliant ces nombreux éléments, avec la feuille supérieure (4) s'étendant, en usage, jusqu'à la section moulée (1).
EP96902293A 1995-02-14 1996-02-14 Element en plaque composite Expired - Lifetime EP0815330B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI950641 1995-02-14
FI950641A FI96898C (fi) 1995-02-14 1995-02-14 Liittolaattaelementti
PCT/FI1996/000082 WO1996025566A1 (fr) 1995-02-14 1996-02-14 Element en plaque composite

Publications (2)

Publication Number Publication Date
EP0815330A1 EP0815330A1 (fr) 1998-01-07
EP0815330B1 true EP0815330B1 (fr) 2000-10-25

Family

ID=8542843

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96902293A Expired - Lifetime EP0815330B1 (fr) 1995-02-14 1996-02-14 Element en plaque composite

Country Status (6)

Country Link
EP (1) EP0815330B1 (fr)
AT (1) ATE197184T1 (fr)
AU (1) AU4666196A (fr)
DE (1) DE69610762T2 (fr)
FI (1) FI96898C (fr)
WO (1) WO1996025566A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721165B4 (de) * 1997-05-21 2011-08-11 Veit Dennert KG Baustoffbetriebe, 96132 Industriell vorfertigbare Leichtbau-Decken- oder -Dachtafeln
DE19818525B4 (de) * 1998-04-24 2004-11-25 Bauer, Werner, Dipl.-Ing. Holz-Beton-Verbundelement
DE19836872A1 (de) * 1998-08-14 2000-02-17 Dennert Kg Veit Verfahren zur Herstellung von industriell vorfertigbaren Leichtbau- Decken- oder Dachtafeln und danach hergestellte Tafel
DE102004014765B4 (de) * 2004-03-26 2014-04-10 Veit Dennert Kg Baustoffbetriebe Industriell vorfertigbares Leichtbau-Deckenelement und Verfahren zu dessen Herstellung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3605360A (en) * 1969-04-24 1971-09-20 Skuli Walter Lindal Prestressed vertically laminated beam of wood
FI60752C (fi) * 1980-06-05 1982-03-10 Poutanen Tuoma Tapani Foerstaerkt platta och foerfarande foer dess tillverkning
CH687397A5 (fr) * 1992-11-14 1996-11-29 Bettex Fabienne Plancher mixte bois-beton.

Also Published As

Publication number Publication date
WO1996025566A1 (fr) 1996-08-22
DE69610762T2 (de) 2001-06-13
FI96898C (fi) 1998-03-07
ATE197184T1 (de) 2000-11-15
FI950641A0 (fi) 1995-02-14
AU4666196A (en) 1996-09-04
EP0815330A1 (fr) 1998-01-07
FI96898B (fi) 1996-05-31
DE69610762D1 (de) 2000-11-30

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