EP2195494B1 - Vorfabriziertes Modul und vorfabrizierte Struktur mit einer Betonplatte und einem Rahmen - Google Patents

Vorfabriziertes Modul und vorfabrizierte Struktur mit einer Betonplatte und einem Rahmen Download PDF

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Publication number
EP2195494B1
EP2195494B1 EP08876068A EP08876068A EP2195494B1 EP 2195494 B1 EP2195494 B1 EP 2195494B1 EP 08876068 A EP08876068 A EP 08876068A EP 08876068 A EP08876068 A EP 08876068A EP 2195494 B1 EP2195494 B1 EP 2195494B1
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EP
European Patent Office
Prior art keywords
module
mesh
connection
bushing
mechanical means
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Application number
EP08876068A
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English (en)
French (fr)
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EP2195494A1 (de
Inventor
Guido Montini
Gian Francesco Biancon
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.)
Montini Guido
Murarotto Mara
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Murarotto Mara
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.)
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Publication date
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Priority to SI200830795T priority Critical patent/SI2195494T1/sl
Publication of EP2195494A1 publication Critical patent/EP2195494A1/de
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Publication of EP2195494B1 publication Critical patent/EP2195494B1/de
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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
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E04B1/043—Connections specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4114—Elements with sockets
    • E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
    • E04C2/386—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a frame of unreconstituted or laminated wood
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B2001/4192—Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires
    • 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

Definitions

  • the present invention relates to a prefabricated module, prefabricated structure and related embodiment method.
  • the said modules include a supporting frame, in high resistant laminated wood for example, and a concrete slab, preferably reinforced, enclosed by the frame.
  • the prior art solutions consist in assembling the frame beforehand on the slab and subsequently pouring the concrete or conglomerate with various aggregates and binders, even synthetic, between the frame elements so as to fill the volume identified by the frame elements and sink the frame itself into the casting.
  • connection between the frame and the slab of concrete or conglomerate of aggregates and binders occurs through incorporation following the solidification of the concrete or mix.
  • the pouring of the binding element does not permit to verify the connection and the correct filling of module's entire volume.
  • the casting technique of the prior art foresees that the casting takes place on the frames that are pre-assembled on the structure; in this manner the casting is carried out on a hyper-static structure and the shrinkage stress can reach considerable values such to cause numerous cracks, in correspondence with the interface between the casting and the frame.
  • conglomerates also determines issues related to moisture and corrosion leading to the deterioration not only of the casting material but also its frame, often made of laminated wood.
  • the problem at the basis of the present invention is to provide a prefabricated module which should solve the disadvantages mentioned above with reference to the prior art.
  • figure 1 is a perspective view, partly cut-away, of a module according to a further embodiment of the present invention.
  • figure 2 is a perspective view, partly cutaway, of the module in figure 1 , from the side of arrow II of figure 1 ;
  • figure 3 is a plan view, in separate parts, of the module in figure 1 , from the side of arrow III of figure 1 ;
  • figures 4-5 are a plan view of parts of the module in figure 1 ;
  • figure 6a is a plan view of another part of the module in figure 1 ;
  • figure 6b is a cutaway view of the part in figure 6a ;
  • figures 7-8 are a perspective view of the parts in figure 6a in a subsequent assembly phase
  • figure 9 represents an application of the module in figure 1 for the construction of a floor slab
  • figure 10 is a side view of the module in figure 9 , from the side of arrow X of figure 9 .
  • reference number 4 generally denotes a prefabricated module for the creation of structural walls and/or floor slabs.
  • Module 4 includes a supporting frame 8 which comprises for example, a pair of uprights 10
  • the uprights 10 are made of high resistance wood, such as laminated wood for example, and comprise a volume 12 suitable to be occupied, at least in part, by a slab 16. According to further embodiment, the uprights 10 are made of metallic and/or polymer materials.
  • Module 4 comprises at least one slab 16, in concrete and/or conglomeration of various aggregates and binders, even synthetic, being that the said slab 16 is mechanically linked to the frame 8.
  • the frame 8 has the supporting function for module 4, as well as the mechanical connection of module 4. In applications on vertical walls the slab 16 also has a wind bracing function.
  • module 4 comprises a mesh 20 at least partially embedded in the said concrete and/or conglomerate slab 16.
  • the module 4 comprises a mechanical connection means 24 that mechanically connects the slab 16 to the supporting frame 8.
  • the said mechanical means of connection 24 are distinct from the slab 16 and the frame 8; in other words, they are means of connection created separately from the slab 16 and subsequently inserted through the slab 16 to block the latter to the frame 8.
  • the mechanical connection means 24 comprise threaded means of connection 26 that at least partially screw onto the uprights 10 of the said supporting frame 8.
  • the mechanical connection means 24 comprise expansion dowels and pins suitable to be driven with interference between the slab 16 and the frame 8 to create the related mechanical connection.
  • the threaded means of connection 26 are inserted into sections of the said mesh 20, so as to block the mesh 20 to the supporting frame 8.
  • the mesh 20 comprises fixing eyelets(not illustrated) and the threaded means of connection 26 pass through the said fixing eyelets.
  • the mesh 20 comprises bars 32 arranged in a longitudinal direction Y-Y, parallel to the uprights 10 and in a crosswise direction X-X, perpendicular to the longitudinal direction Y-Y, to exhibit a rectangular grid.
  • the mesh therefore comprise openings 36 to insert the threaded means of connection 24,26.
  • the openings 36 are parallel to the longitudinal direction Y-Y.
  • the mesh 20 comprises pairs of parallel bars 32 and placed together to create rails 40 that delimit the opening 36 for the passage of the mechanical means of connection 24,26 and related fixing of the mesh 20 to the frame 8.
  • the openings 36 are preferably continuous and interrupted by the related bars 32 arranged in a crosswise direction X-X. Thanks to the continuity of the openings 36 the positioning of the mechanical means of connection can be positioned in a continual manner so that the anchorage points of the slab 16 to the frame 8 can be moved at will.
  • module 4 comprises bushings 44 positioned between the connection means 24,26 and the mesh 20, said bushings 44 being at least partially submerged in the concrete and/or conglomerate of aggregate and various binders, also synthetic of the slab 16.
  • the bushings 44 comprise a bushing body 48, with predominant extension Z-Z, suitable to create a restraint between the bushing 44 and the mesh 20 and a closure cap 52 suitable to secure a chamber 56 internally delimited by the bushing body 48.
  • the prevalent direction Z-Z is perpendicular to the longitudinal direction Y-Y and crosswise direction X-X.
  • the bushing body 48 comprises a groove 60 suitable to block itself axially in the opening 36 of the mesh 20, the said groove 60 being delimited by a pair of undercuts 64.
  • the groove 60 has a thickness, along the predominant extension Z-Z, not less than the thickness of the mesh 20 bars 32 so that is can house the bars.
  • the bushing body 48 comprises a coupling section 68 suitable to be inserted in the said opening 36 of the mesh 20, following a predetermined angular orientation in relation to the predominant extension Z-Z, and a fixing section 72 with greater dimensions to the said opening 32 of the mesh 20.
  • the groove 60 is axially delimited, along the predominant extension Z-Z, by the coupling section 68 and the fixing section 72 respectively, the sections of which comprise the undercuts 64 for the groove 60.
  • the groove 60 comprises at lease one splay 76 to facilitate the rotation of the bushing body 48 inside the opening 36 so as to rotate in a predefined closure position, in which the coupling position 68 has an angular orientation that prevents the extraction of the bushing 44 from the mesh 20 ( figure 8 ).
  • the fixing section 72 has a concave cup configuration and encapsulates the said chamber 56, so that the mechanical means of connection 24,26 can be housed.
  • the bushing body 48 comprises an axial hole 80 to pass the mechanical means of connection 24,26.
  • the bushing body 48 in correspondence with the axial hole 80, comprises a threaded section 81, suitable to permit the screwing of the mechanical means of connection 24,26 and/or the lifting means for the module.
  • the closure cap 52 is connected in a removable manner to the bushing body 48 in order to selectively close the chamber 56 inside the bushing body 48.
  • the closure cap 52 is connected in a removable manner to the bushing body 48 by means of a suitably shaped coupling so as to rotate the body itself, by means of the closure cap 52, in relation to the said predominant extension Z-Z.
  • the bushing body 48 has protuberances or notches on the outer side surfaces to allow the external clasping and rotation.
  • the rotation of the bushing body 48 also determines the rotation of the coupling section 68 that prevents subsequent extraction through the opening 36.
  • the bushing 44 is made of a polymeric material.
  • the bushing 44 comprises a metallic core at least partially covered internally or externally in a plastic/polymeric material to prevent direct contact between the metal and concrete or the conglomerate of aggregate and binders, also synthetic, as well as to prevent direct contact between the bushing and connectors if the covering is internal.
  • the bushing 44 can also be made of several parts to allow the fixing to the mesh 20 without having to insert it and then rotate it inside the opening 36 but by acting on the two opposite ends of the bars 32 and inserting the two opposite parts of the bushing 44, in the opening 36, so as to make is solid by means of a coupling.
  • the closure cap 52 is made of a synthetic or organic material.
  • the modules 4 can be connected together in correspondence with the uprights 10 of the related frames 8 so as to construct a prefabricated structure for the attainment of constructions in general, such as walls, floor slabs ( figures 9-10 ) and roofing.
  • a prefabricated module and a prefabricated structure according to the invention can be realised in a method.
  • this method comprises the preparation phases of a preformatted formwork for a prefabricated module 4, the formwork having at least one closed outer structure, with a shape and dimension already existent or specifically constructed both horizontally and vertically, suitable to be set on a supporting surface, such as a pallet.
  • the mesh 20 is placed on the formwork, and a number of bushings 44 are inserted into the mesh so as to bilaterally restrain the groove 60 of the bushing 44 in the appropriate opening 36 of the mesh 20 ( figure 4 ).
  • the introduction of the bushings 44 in the opening 36 of the mesh 20 is made by orientating edgeways the coupling section 68 of the bushing body 48 until connecting the groove 60 with the bars 32 of the mesh 20 ( figure 7 ) and then rotating the bushing body 48, by means of the related closure cap 52, so as to prevent subsequent extraction of the bushing from the opening 36 ( figure 7-8 ).
  • the coupling section 68 creates the spacing function of the mesh 20 from the casting surface. In this way the mesh 20 is positioned in the approximate center of the thickness of the subsequent slab 16.
  • the method therefore comprises the phase of making a cast of conglomerate and/or concrete on the mesh 20 so as to submerge the mesh 20 and the bushings 44.
  • the mesh becomes incorporate in the slab 16 and the rotation of the bushings is blocked inside the slab.
  • the thickness of the cast is such to not surpass the closure cap 52 to allow the subsequent removal of the cap itself.
  • closure caps 52 of the bushings 44 that prevent the casting substance from filling the camber 56 of the bushing body 48 can be removed.
  • the chamber 56 of the bushing body is therefore empty and the mechanical means of connection 24,26 can be housed inside it.
  • a number of eyelets or eyebolt can be inserted and screwed into the threaded section 81 of the bushing 44 and hooded for example to the hood of a site crane.
  • the slab is rested on the uprights 10 of the frame 8 and self-tapping screws are inserted, or other mechanical connections, through the slab 16 in order to engage the means of connection 24,26 in the uprights 10 of the frame 8 and to fix the slab 16 to the frame 8.
  • the prefabricated module according to the invention allows overcoming the disadvantages of the prior art.
  • the module can be made separately, or rather directly on the structure under construction on site, or in the factory, in an extremely fast and economic manner, with fully mechanised assembly.
  • a single module can be made in an average time of 10 minutes and at extremely reduced costs.
  • the implementation operation guarantees greater safety for the personnel, both in terms of duration of the assembly as well as the automation and planning of the assembly.
  • the implementation is also independent from atmospheric conditions; therefore the overall assembly times are reduced and the implementation of the structure can be performed without seasonality.
  • the assembly of the prefabricated modules can be carried out dry: in this way greater precision, quality and assembly easy can be guaranteed, as well as an improved stability of the structure made in this way.
  • the separate construction of the modules allows the control of the dimensional tolerances of the slab, its level of finish, as well as limiting the residual stress due to the solidification of the casting.
  • the polymeric bushing also with a metallic core, creates a thermal barrier between the concrete and the mechanical means of connection, and avoids that the difference in temperature inside the module creates condensate in the wood that constitutes the supporting structure of the module.
  • the bushings create a thermal and electrostatic barrier and also avert the rusting of metal parts, such as the screws and mesh.
  • the screws apply a force on the elements of the metal mesh avoiding direct action on the concrete and cause it damage.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Panels For Use In Building Construction (AREA)

Claims (15)

  1. Vorgefertigtes Modul (4) für Wände, Bodenplatten, Dächer und Konstruktionen im allgemeinen, umfassend einen Tragrahmen (8), zumindest eine Platte (16) aus Beton und/oder Konglomerat von verschiedenen Aggregaten und Bindemitteln, auch synthetisch, wobei die Platte (16) mit dem Rahmen (8) verbunden ist, ein Gitter (20), das zumindest teilweise in die Platte (16) versenkt ist, worin
    das Modul (4) mechanische Verbindungsmittel (24, 26) separat von der Platte (16) und dem Rahmen (8) aufweist, wobei die mechanischen Verbindungsmittel die Platte (16) mit dem Tragrahmen (8) mechanisch vereinigen,
    dadurch gekennzeichnet, dass das Modul (4) zumindest eine Buchse (44) aufweist, die zwischen den mechanischen Verbindungsmitteln (24, 26) und dem Gitter (20) angeordnet ist, wobei die Buchse (44) zumindest teilweise in den Guss versenkt ist,
    worin die Buchse (44) einen Buchsenkörper (48) mit einer Haupterstreckung (Z-Z) aufweist, geeignet zum Erzeugen eines Rückhalts zwischen der Buchse (44) und dem Gitter (20), sowie eine Verschlusskappe (52), die zum Blockieren einer Kammer (56), die im Inneren durch den Buchsenkörper (48) definiert ist, geeignet ist,
    worin die Buchse (44) aus Polymermaterial hergestellt ist.
  2. Modul (4) nach Anspruch 1, worin die mechanischen Verbindungsmittel (24, 26) Gewindeverbindungsmittel (26) aufweisen, die zumindest teilweise in Ständer (10) des Tragrahmens (8) geschraubt sind.
  3. Modul (4) nach Anspruch 2, worin die mechanischen Verbindungsmittel (24, 26) in einen Abschnitt des Gitters (20) eingesetzt sind, um das Gitter (20) an dem Tragrahmen (8) direkt zu blockieren.
  4. Modul (4) nach einem der vorhergehenden Ansprüche, worin das Gitter (20) Stangen (32) aufweist, die in einer Längsrichtung (Y-Y) und einer Querrichtung (X-X) senkrecht zur Längsrichtung (Y-Y) angeordnet sind, um ein rechteckiges Gitter darzustellen, wobei die Stangen (32) Öffnungen (36) aufweisen, um die mechanischen Verbindungsmittel (24, 26) einzusetzen.
  5. Modul (4) nach Anspruch 4, worin das Gitter (20) ein Paar von parallelen Stangen (32) aufweist und zusammengebracht ist, um Bahnen (40) zu erzeugen, die die Öffnung (36) zum Einsetzen der mechanischen Verbindungsmittel (24, 26) und die diesbezügliche Befestigung des Gitters (20) und des Rahmens (8) begrenzen.
  6. Modul (4) nach Anspruch 1, worin der Buchsenkörper (48) eine Nut (60) aufweist, die zum axialen Blockieren in die Öffnung (36) des Gitters (20) geeignet ist, wobei die Nut (60) durch ein Paar von Unterschneidungen (64) begrenzt ist.
  7. Modul (4) nach Anspruch 1, worin der Buchsenkörper (48) einen Kupplungsabschnitt (68) aufweist, der zum Einsetzen in die Öffnung (36) des Gitters (20) geeignet ist, einer vorbestimmten Winkelorientierung in Bezug auf die Haupterstreckung (Z-Z) folgend, sowie einen Befestigungsabschnitt (72) mit größeren Abmessungen zu der Öffnung (36) des Gitters (20).
  8. Modul (4) nach Anspruch 7, worin die Nut (60) durch entlang der Haupterstreckung (Z-Z) gegenüberliegende Teile des Kupplungsabschnitts (68) und des Befestigungsabschnitts (72) begrenzt ist.
  9. Modul (4) nach Anspruch 7 oder 8, worin die Nut (60) zumindest eine Schräge (76) aufweist, die zum Erleichtern der Drehung des Buchsenkörpers (48) innerhalb der Öffnung (36) geeignet ist, zum Drehen in eine vordefinierte Befestigungsstellung, worin der Kupplungsabschnitt (68) eine Winkelorientierung einnimmt, welche das Herausziehen der Buchse (44) aus der Öffnung (36) des Gitters (20) verhindert.
  10. Modul (4) nach Anspruch 7, 8 oder 9, worin der Befestigungsabschnitt (72) eine konkave Topfkonfiguration hat, um die mechanischen Verbindungsmittel (24, 26) aufzunehmen.
  11. Modul (4) nach einem der Ansprüche 1 bis 10, worin der Buchsenkörper (48) ein axiales Loch (80) für den Durchgang der mechanischen Verbindungsmittel (24, 26) aufweist.
  12. Modul (4) nach Anspruch 11, worin der Buchsenkörper (48), entsprechend dem axialen Loch (80), einen Gewindeabschnitt (81) aufweist, der geeignet ist, um die Schraubverbindung der mechanischen Verbindungsmittel (24, 26) und/oder der Hubmittel für das Modul zu gestatten.
  13. Modul (4) nach einem der Ansprüche 1 bis 12, worin die Verschlusskappe (52) mit dem Buchsenkörper (48) lösbar verbunden ist, um die Kammer (56) innerhalb des Buchsenkörpers (48) selektiv zu verschließen.
  14. Modul (4) nach einem der vorhergehenden Ansprüche, worin die Verschlusskappe (52) mit dem Buchsenkörper (48) mittels einer Kupplung lösbar verbunden ist, die geeignet ist, um den Buchsenkörper (48) mittels der Verschlusskappe (52) in Bezug auf die Haupterstreckung (Z-Z) zu drehen.
  15. Vorgefertigte Struktur, die eine Anzahl von Modulen (4) gemäß einem der Ansprüche 1 bis 14 aufweist, worin die Module (4) entsprechend den Ständern der betreffenden Rahmen (8) nebeneinandergesetzt sind, um Gebäudewände oder Bodenplatten zu erzeugen.
EP08876068A 2008-10-10 2008-10-10 Vorfabriziertes Modul und vorfabrizierte Struktur mit einer Betonplatte und einem Rahmen Active EP2195494B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200830795T SI2195494T1 (sl) 2008-10-10 2008-10-10 Prefabriciran modul in struktura, ki obsega betonsko ploščo in okvir

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2008/000640 WO2010041284A1 (en) 2008-10-10 2008-10-10 Prefabricated module, prefabricated structure and manufacturing method thereof

Publications (2)

Publication Number Publication Date
EP2195494A1 EP2195494A1 (de) 2010-06-16
EP2195494B1 true EP2195494B1 (de) 2012-08-08

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EP (1) EP2195494B1 (de)
HR (1) HRP20120865T1 (de)
SI (1) SI2195494T1 (de)
WO (1) WO2010041284A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3848523A4 (de) * 2018-09-07 2022-04-13 García Castro, Luis Manuel Vorrichtung zur sicherung von konstruktionsmodulen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1250008A (en) * 1968-06-05 1971-10-20 Rawlplug Co Ltd Improvements in the casting of concrete articles
AU488954B2 (en) * 1973-10-09 1975-04-10 Construction Equipment Ltd. Anchorage device for inclusion in concrete castings
DE3545920A1 (de) * 1985-12-23 1987-06-25 Hochtemperatur Reaktorbau Gmbh Betonanker
US4676035A (en) * 1986-03-27 1987-06-30 Home Crafts Corporation Reinforced concrete panels with improved welded joint
US5414972A (en) * 1993-11-09 1995-05-16 Composite Building Systems Incorporated Reinforced structural member for building constructions
US6003278A (en) * 1997-12-11 1999-12-21 We-Mar, Inc. Monolithic stud form for concrete wall production
US6837013B2 (en) * 2002-10-08 2005-01-04 Joel Foderberg Lightweight precast concrete wall panel system

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Publication number Publication date
SI2195494T1 (sl) 2012-12-31
EP2195494A1 (de) 2010-06-16
WO2010041284A1 (en) 2010-04-15
HRP20120865T1 (hr) 2012-11-30

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