WO2006079355A1 - Panneau en matiere plastique expansee pour construire une construction a dalle, dalle et procede de construction impliquant un tel panneau - Google Patents

Panneau en matiere plastique expansee pour construire une construction a dalle, dalle et procede de construction impliquant un tel panneau Download PDF

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Publication number
WO2006079355A1
WO2006079355A1 PCT/EP2005/000831 EP2005000831W WO2006079355A1 WO 2006079355 A1 WO2006079355 A1 WO 2006079355A1 EP 2005000831 W EP2005000831 W EP 2005000831W WO 2006079355 A1 WO2006079355 A1 WO 2006079355A1
Authority
WO
WIPO (PCT)
Prior art keywords
slab
panel
beams
panels
panel according
Prior art date
Application number
PCT/EP2005/000831
Other languages
English (en)
Inventor
Pier Giacomo Cappellano
Original Assignee
Domopan, S.P.A.
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 Domopan, S.P.A. filed Critical Domopan, S.P.A.
Priority to PCT/EP2005/000831 priority Critical patent/WO2006079355A1/fr
Publication of WO2006079355A1 publication Critical patent/WO2006079355A1/fr

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Classifications

    • 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
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • 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
    • E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
    • E04B5/19—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members the filling members acting as self-supporting permanent forms
    • 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
    • E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating

Definitions

  • the present invention refers to a panel made from expanded plastic material for building slab constructions , and to a slab incorporating at least such a panel .
  • each reinforcing element is formed from a plate bent in a Z-shape , one wing of which is arranged at the lower surface of the panel , whereas the central core is equipped with holes both to improve the co- forming with plastic material and to lighten the weight of the structure .
  • the panel is also co-formed with a metallic mesh, also having the function of easing the adherence with other materials of the slab, such as the concrete of the rafters and the finish or plaster of the lower surface .
  • a central strip of such a metallic mesh is arranged adj acent to the lower surface of the panel and is welded onto the corresponding wing of the reinforcing element , whereas two side strips are arranged adj acent to two side surfaces of the panel , and partly sunk in two proj ecting wings of the panel .
  • this known panel is manufactured continuously, for which reason it is supplied in segments of fixed length . In use such segments must therefore be arranged in sequence , and partially cut to achieve the length of the single span and to be connected to the perimetric beams . Therefore , the construction of the slab requires a lot of time and generates a lot of waste , for which reason it is very expensive .
  • the purpose of the invention is that of making a panel made from expanded plastic material and a slab manufactured with such a panel , which are very reliable and low in cost , eliminating the drawbacks of the panels and slabs of the prior art .
  • a panel made from expanded plastic material for building slab constructions comprising a body of said plastic material , Co-formed with at least one longitudinal reinforcing element , characterised in that said metallic element is shaped like a lattice consisting of at least two parallel longitudinal rods that are connected by a series of cross members .
  • the panel has a substantially rectangular section and comprises two lower wings to house a supporting rafter, and is characterised in that it comprises a pair of parallel reinforcing lattice .
  • the side wings of the panel form a recess for the casting of corresponding rafters
  • the panels are of a length corresponding to the distance of two bearer beams and are equipped with end portions without plastic material , in which said lattices are sunk in the casting of said perimetric beams .
  • the method for manufacturing a slab through such panels comprises the following steps :
  • the panels are arranged by removing the plastic material from the end portions of the respective lattices , so that each panel is of a length corresponding to the distance of the perimetric beams of the slab ;
  • a metallic mesh for spreading loads is arranged over said panels ; and - a concrete casting is carried out to form said beams , said rafters and an upper layer to sink said metallic mesh .
  • Figure 1 is a perspective view of a panel made from expanded plastic material according to the invention.
  • Figure 2 is a perspective view of a reinforcing element of the panel of figure 1 ;
  • Figure 3 is a cross section of the panel of figure 1 ;
  • Figure 4 is a partial plan view of a variant of the panel of figure 1 ;
  • Figure 5 is a perspective view of a reinforcing element of another variant of the panel of figure 1 ;
  • Figure 6 is a cross section of the panel according to the variant of figure 5 ;
  • Figure 7 is a detail of a pair of adj acent panels ;
  • Figure 8 is a perspective view from below of a portion of the panel ;
  • Figure 9 is a perspective view of a variant of figure 8 ;
  • Figure 10 is a perspective view from above of a portion of slab according to the invention, with some parts removed .
  • panel made from expanded plastic material for building have the enormous advantage of being very light and of being easy to transport . They have substantial heat insulation characteristics , for which reason they do not require other provisions or insulating materials , even for slabs in contact with the outside of the building . Moreover, they have substantial sound insulation characteristics , for which reason the inside of the building is very comfortable .
  • a panel intended for building slab constructions which is formed from a body 6 made from expanded plastic material , co- formed with one or more longitudinal metallic reinforcing elements 7 , is generically indicated with 5.
  • the body 6 of the panel 5 has a substantially rectangular section (also see figure 3 ) and comprises two lower wings 8 , which are used to house the usual reinforced concrete support rafter .
  • the body 6 is co-formed with two longitudinal metallic reinforcing elements 7 , which are parallel to each other .
  • the expanded material of the body 6 preferably consists of polystyrene expanded during the extrusion step for forming the panel 5.
  • the body 6 has a lower surface 9 that extends to the two wings 8 and is intended to form the intrados of the slab, an upper surface 11 and two side surfaces 12 , each arranged between the corresponding wing 8 and the upper surface 11.
  • the thickness of the panel 5 i . e . the distance between the surfaces 9 and 11 , can vary within certain limits to define the thickness of the slab .
  • each metallic element 7 is in the form of a lattice consisting of at least two parallel longitudinal rods 13 connected together by a series of cross members 14 through welding points .
  • the rods 13 and the cross members 14 are formed from corresponding profiles with a substantially circular section, for example made from steel , stainless steel or galvanized steel , preferably with a ribbed surface .
  • the cross members 14 of each lattice 7 are formed from a single profile 15 bent in a zigzag, for example according to angles to the order of 50 ° -60 ° .
  • the profile 15 can be welded onto the rods 13 of the lattice 7 , alternatively on the two sides , as indicated in figure 2.
  • the profile 15 can also be welded onto the same side of the two rods 13.
  • the two lattices 7 are therefore substantially flat and are arranged in the body 6 perpendicular to the lower and upper surfaces 9 , 11 ( figure 3 ) , with a rod 13 substantially flush with the lower surface 9.
  • each lattice 7 ' ( figures 5 and 6) comprises , as well as two rods 13 ' that are analogous to the rods 13 of figure 2 , a third longitudinal rod 16 welded onto the cross members 14 ' , preferably in a position equally spaced from the two rods 13 ' .
  • the cross members 14 ' are also formed from a single profile 15 ' bent in a zig-zag at the rods 13 ' , and are bent in an angle at the third rod 16 , so that the lattice 7 ' takes on an angled section at the third rod 16.
  • the angle of the lattice 7 ' at the rod 16 can vary within certain limits .
  • the rods 13 ' are welded with the profile 15 ' on the outer side of such an angle , whereas the rod 16 is welded to the inside of the angle .
  • Each lattice 7 ' is arranged in the body 6 with the two rods 13 ' substantially- flush with the lower surface 9 of the body 6 and with the third rod 16 arranged above .
  • the rods 13 , 13 ' adj acent to the lower surface 9 of the body 6 can easily be used for the attachment of fastening devices of suspended bodies , for example lighting bodies , or for the attachment of a false ceiling .
  • the panel 5 is arranged to rest on two perimetric beams , for which reason it has a length corresponding to the distance between such beams .
  • each panel 5 terminates with two end sides 17 ( figure 1) perpendicular to the side surfaces 12.
  • the panel 5 is arranged with a layer 18 of the plastic material of the body 6 , having a thickness substantially equal to that of the wings 8 , for which reason the rods 13 , 13 ' flush with the surface 9 of the body remain totally incorporated in such a layer 18.
  • the relative end side 17 is arranged according to such an angle .
  • the panels 5 that terminate on an inclined ridge are arranged with an end side 17 ' ( figure 4 ) and a corresponding layer 18 ' inclined by 45 ° in one direction or the other with respect to the rods 13 , 13 ' , 16 , i . e . with respect to the laying direction of the panels 5.
  • the layer 18 , 18 ' of plastic material ensures that the intrados of the perimetric beams remains coated by the layer 18 , 18 ' of the panels 5 , avoiding the effect of condensation at such an intrados .
  • each panel 5 has two extreme portions 19 of each lattice 7 , 7 ' , which proj ect from the ends 17 , 17 ' of the panel 5 , i . e . they are substantially uncovered by the expanded plastic material .
  • the extreme portions 19 of the lattices I 1 T can be used for fastening with loading and unloading means 5 for transportation .
  • the portions 19 are also suitable for being incorporated in the concrete cast of the perimetric beams , and can be suitably connected to the irons of the armature of such beams . Therefore , the panels 5 are arranged to size based upon the design requirements of the building, eliminating waste and enormously reducing the laying time of the slab .
  • each panel 5 can also be equipped with section-breaking portions 21 , in which the plastic material of the body 6 for a thickness such as to uncover an intermediate part 22 of the lattice 7 , 7 ' , leaving a layer 23 of the body 6 , analogous to the layer 18.
  • the layer 23 thus also incorporates the rods 13 , 13 ' adj acent to the lower surface 9.
  • the section-breaking portions 21 can be arranged at a predetermined distance , for example 2 metres , and can be incorporated in the concrete of corresponding intermediate beams .
  • each panel 5 is equipped with a series of grooves 24 , in which ducts can be housed for electric , telephone and television installations , and even ducts of water and air-conditioning installations .
  • the grooves 24 can be entirely parallel to each other as in figure 8 , or else they can be formed from rectilinear segments 26 connected by curved sections 27 , especially in the case in which one wants to house air-conditioning coils 25 in them.
  • the upper surface 11 of the body 6 has a flat central portion 28 , equipped with two curved side fittings 29 (see also figure I ) 1 which form two depressed edges 30 of the surface 11.
  • the two side surfaces 12 of the body 6 each comprise at least one strip 31 , having a curved and hollow section, to allow the formation of rafters with rounded sides .
  • the side surfaces 12 can also comprise another flat strip 32 perpendicular to the lower surface 9 , as indicated in figure 3.
  • the two wings 8 of the body 6 are equipped with two edges 33 and 34 ( figure 7 ) having matching profiles .
  • Each edge 33 , 34 comprises a ribbing 35 , 36 substantially without sharp edges , so as to make it easier to bring them together .
  • the upper surface 11 of the body 6 ( figures 3 , 4 and 6) is equipped with indication elements 37 of the laying position, arranged at a predetermined distance and each formed from a raised arrow .
  • two lines of indication elements 37 can be foreseen .
  • the grooves 24 , 26 , 27 of the lower surface 9 of the panel 5 also have the function of easing the fastening or adherence of a finishing coating 38 ( figure 9) , for example a chalk, lime or expanded perlite-based mortar .
  • a finishing coating 38 for example a chalk, lime or expanded perlite-based mortar .
  • an anti -shrink mesh made from plastic material not indicated in the drawings , can be used, which is fixed by adherence in any known way, on the entire lower surface 9 of the panel 6.
  • the finishing coating 38 can also be obtained in plasterboard, in which the sheets of plasterboard are fixed to the rafters of the slab and/or to the rods 13 , 13 ' of the lattices 7 , 7 ' of the panels 5.
  • the finishing coating can also be obtained with a layer 40 (figure 8 ) of polyurethane resin, coating the surface 9 of the body 6 with a rigid synthesis polymer, at the time of its manufacture .
  • the polymer gives the intrados a pleasant finish, for example for commercial or industrial buildings , and it can be of a colour selected from amongst a range of available colours .
  • the polymer gives the panel 5 an additional rigidity with respect to that achieved by the lattices 7 , 7 ' .
  • the other surfaces 11 and 12 of the panel 5 can also be coated with such a polymer, obtaining a protection of the panel 5 against possible local breaking before being laid, even greater strength of the panel 5 and great fire resistance .
  • the outer surface of the polymer can be obtained rough and partially porous , the adherence of the concrete of the rafters and of the cement at the casting step of the slab, and of a possible finishing plaster of the ceiling, for example in civil buildings , is improved .
  • a portion of a slab is illustrated, generically indicated with 39 , manufactured with panels 5 according to the invention .
  • the single panels 5 ( see also figures 1 and 4 ) arranged to size are laid with the ends 19 of the lattices 7 , 7 ' at the perimetric beams , and possibly at the top beam.
  • the uncovered rod portions 13 and 16 are connected with the irons of the armature of such perimetric and top beams , and possibly with those of the armature of possible section-breaking beams .
  • the usual irons 41 of the corresponding rafters 42 are arranged in each space between the side surfaces 12 of two adj acent panels .
  • the method for manufacturing a slab 39 through the panels 5 according to the invention comprises the following steps :
  • the panels 5 are arranged by removing the plastic material from the end portions 19 of the respective lattices 7 , 7 ' , so that each panel is of a length corresponding to the distance of the perimetric beams of the slab 39 ;
  • the panels 5 are laid next to each other, with the ends 19 at said perimetric beams and the lattices 7 , 7 ' are connected with irons of the armature of the beams ,-
  • the armature 41 of a rafter 42 is arranged in each space between two adj acent panels 5 ;
  • a concrete casting is carried out to form the beams , the rafters 42 and an upper layer 44 to sink the metallic mesh 43.
  • the lattices 7 , 7 ' and the body 6 without holes ease the manufacture of the panels 5.
  • the arrangement of the panels 5 of a length corresponding to the distance between the perimetric beams eases the laying of the panels 5.
  • the cutting of the plastic material of the body 6 at the ends 19 of the lattices I 1 T eases the relative loading and unloading for transportation for use .
  • the grooves 24 on the lower surface 9 of the panels 5 ease the laying of possible ducts and the sticking of the subsequent finishing coating 38.
  • the layer 40 of hard resin on the surfaces of the body 6 increases the rigidity of the panel 5 and eases the sticking of the subsequent plaster .
  • the lattices 7 , 7 ' can be equipped with cross-members 14 , 14 ' arranged individually and/or in a different way .
  • An end side 17 , 17 ' of the panel 5 can also be inclined with respect to the lower and upper surfaces 9 , 11.
  • the body 6 of the panel 5 can be obtained with other light or expanded plastic materials .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

La présente invention concerne un panneau (5) comprenant un corps (6) en matière plastique expansée, formé conjointement à une paire de treillis métalliques (7). La longueur de ce panneau correspond à la distance entre des poutres de support périmétriques. Deux parties d'extrémité (19) des treillis (7) sont conçues pour être connectées à l'armature de telles poutres. Un côté (17') du panneau (5) peut être incliné de 45° par rapport aux treillis (7), de manière à être connecté à une poutre supérieure d'une dalle de toit en croupe. Le panneau (5) présente une surface inférieure (9) avec des rainures (24; 26, 27) conçues pour recevoir des conduites pour des installations de construction. Cette surface (9) peut présenter un revêtement (38) en matière plastique rigide. La dalle (39) comprend un maillage métallique (43) de répartition des charges, qui est coulé dans une couche (44) de béton de la coulée de construction des poutres périmétriques et des chevrons (42) entre les panneaux adjacents (5). Le procédé pour construire la dalle (39) consiste à préparer des panneaux (5) avec les parties d'extrémité (19) des treillis (7), à poser les panneaux (5), à connecter les extrémités (19) aux fers des armatures des poutres périmétriques, puis à couler le béton.
PCT/EP2005/000831 2005-01-28 2005-01-28 Panneau en matiere plastique expansee pour construire une construction a dalle, dalle et procede de construction impliquant un tel panneau WO2006079355A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/000831 WO2006079355A1 (fr) 2005-01-28 2005-01-28 Panneau en matiere plastique expansee pour construire une construction a dalle, dalle et procede de construction impliquant un tel panneau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/000831 WO2006079355A1 (fr) 2005-01-28 2005-01-28 Panneau en matiere plastique expansee pour construire une construction a dalle, dalle et procede de construction impliquant un tel panneau

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US11/572,838 A-371-Of-International US7669388B2 (en) 2004-07-30 2005-08-01 Process and machine for automated manufacture of gastro-retentive devices
US12/687,976 Continuation US8033083B2 (en) 2004-07-30 2010-01-15 Process and machine for automated manufacture of gastro-retentive devices

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WO2006079355A1 true WO2006079355A1 (fr) 2006-08-03

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011000978A2 (fr) * 2009-06-29 2011-01-06 Ramon Jose Mas Magro Caissons allégés perfectionnés pour hourdis unidirectionnels
EP2803777A1 (fr) * 2013-04-11 2014-11-19 Gianpietro Baranzelli Coffrage pour plancher ou murs en béton
JP2015523480A (ja) * 2012-06-12 2015-08-13 ディーエスティー コンストラクションズ リミテッド 鉄筋コンクリート床を構築するための焼結した発泡ポリスチレンの組み立て式要素
IT201600099438A1 (it) * 2016-10-04 2018-04-04 Tekno Fabbrica S R L Panel made from expanded plastic meterial for building slab construction, slab and construction method comprising such a panel
IT201800009084A1 (it) * 2018-10-02 2020-04-02 Lpm Srl Laterizi Prefabbricati Mondovi' Modulo prefabbricato per solai e metodo per la sua realizzazione

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157640A (en) * 1976-08-12 1979-06-12 Joannes Andre A Prefabricated building panel
FR2592080A1 (fr) * 1985-12-23 1987-06-26 Bulte Jacques Poutrelle alveolee en beton
DE3728922A1 (de) * 1986-08-29 1988-05-19 Markus Ing Stracke Verfahren zur herstellung von ortbetongeschossdecken oder unterstellungsfreier fertigdecken
WO1998016703A2 (fr) * 1996-10-15 1998-04-23 Plastedil S.A. Element de construction autoporteur en plastique expanse, destine en particulier a la production d'elements de plancher et de murs de batiments en general
EP0987377A2 (fr) * 1998-09-18 2000-03-22 Domenico Sambataro Coffrage perdu pour planchers
US6244008B1 (en) * 1999-07-10 2001-06-12 John Fullarton Miller Lightweight floor panel
US6817150B1 (en) * 2003-03-20 2004-11-16 Patrick E. Boeshart Form system for poured concrete

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157640A (en) * 1976-08-12 1979-06-12 Joannes Andre A Prefabricated building panel
FR2592080A1 (fr) * 1985-12-23 1987-06-26 Bulte Jacques Poutrelle alveolee en beton
DE3728922A1 (de) * 1986-08-29 1988-05-19 Markus Ing Stracke Verfahren zur herstellung von ortbetongeschossdecken oder unterstellungsfreier fertigdecken
WO1998016703A2 (fr) * 1996-10-15 1998-04-23 Plastedil S.A. Element de construction autoporteur en plastique expanse, destine en particulier a la production d'elements de plancher et de murs de batiments en general
EP0987377A2 (fr) * 1998-09-18 2000-03-22 Domenico Sambataro Coffrage perdu pour planchers
US6244008B1 (en) * 1999-07-10 2001-06-12 John Fullarton Miller Lightweight floor panel
US6817150B1 (en) * 2003-03-20 2004-11-16 Patrick E. Boeshart Form system for poured concrete

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011000978A2 (fr) * 2009-06-29 2011-01-06 Ramon Jose Mas Magro Caissons allégés perfectionnés pour hourdis unidirectionnels
WO2011000978A3 (fr) * 2009-06-29 2011-03-10 Ramon Jose Mas Magro Caissons allégés perfectionnés pour hourdis unidirectionnels
JP2015523480A (ja) * 2012-06-12 2015-08-13 ディーエスティー コンストラクションズ リミテッド 鉄筋コンクリート床を構築するための焼結した発泡ポリスチレンの組み立て式要素
EP2803777A1 (fr) * 2013-04-11 2014-11-19 Gianpietro Baranzelli Coffrage pour plancher ou murs en béton
IT201600099438A1 (it) * 2016-10-04 2018-04-04 Tekno Fabbrica S R L Panel made from expanded plastic meterial for building slab construction, slab and construction method comprising such a panel
IT201800009084A1 (it) * 2018-10-02 2020-04-02 Lpm Srl Laterizi Prefabbricati Mondovi' Modulo prefabbricato per solai e metodo per la sua realizzazione

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