EP0381000B1 - Vorgefertigtes Betonpaneel mit wärmeisolierender oder gewichtssparender Schicht - Google Patents

Vorgefertigtes Betonpaneel mit wärmeisolierender oder gewichtssparender Schicht Download PDF

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Publication number
EP0381000B1
EP0381000B1 EP90101213A EP90101213A EP0381000B1 EP 0381000 B1 EP0381000 B1 EP 0381000B1 EP 90101213 A EP90101213 A EP 90101213A EP 90101213 A EP90101213 A EP 90101213A EP 0381000 B1 EP0381000 B1 EP 0381000B1
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EP
European Patent Office
Prior art keywords
panel
element sections
panel according
holes
prefabricated
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
EP90101213A
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English (en)
French (fr)
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EP0381000A1 (de
Inventor
Sergio Zambelli
Benito Zambelli
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Publication of EP0381000A1 publication Critical patent/EP0381000A1/de
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Classifications

    • 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
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • 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
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
    • 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
    • E04C2/384—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 metal frame
    • 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
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E04C2002/045—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete with two parallel leaves connected by tie anchors
    • E04C2002/046—Flat anchors

Definitions

  • the present invention relates to a prefabricated concrete panel with thermally insulating or lightening layer.
  • Prefabricated concrete panels inside which there is a layer of thermally insulating or lightening material are known.
  • Such panels are generally constituted by two layers of concrete which constitute the two larger faces of the panel, and concrete cross-members are arranged between them and mutually connect the two larger faces; said cross-members are alternated with cavities in which layers of low-density material are generally placed to act as thermal insulators or lightening elements.
  • the load-bearing function of the panel if required, is performed by reinforcement rods embedded in the concrete cross-members which connect the panel larger faces.
  • the concrete cross-members which join the two opposite faces of the panel provide thermal bridges between the two faces, considerably reducing the effectiveness of the thermally insulating layer. Due to their structure with alternated solid portions and empty portions, these known kinds of panel can furthermore be affected by possibly considerable stresses due to the different thermal expansion of the parts which compose them.
  • a layer of thermally insulating material is applied to the outer walls and is covered by means of single-layer concrete panels which are fixed to the walls thus covered.
  • finishing of the covering is required to conceal the applied layer of thermally insulating material, which is laterally visible after application of the panels. Said finishing operations, with rather high costs, are necessary, as well as for aesthetic reasons, also to prevent the insulating layer from being attacked by rodents or birds and by the effects of weather.
  • US-A-3 760 540 discloses a pre-cast concrete building panel with an inner layer of insulation comprising a continuous peripheral steel channel outer frame of C-shaped cross-sectional configuration in which the channel defines parallel flanges which encompass the marginal edges of both the front and rear surfaces of the panel.
  • US-A-4 649 682 shows a prefabricated building panel having a layer of insulating material sandwiched between two outer layers of hardenable material, the three layers being supported by a frame formed from L-shaped cross section members which define parallel flanges extending inwardly and embedded in the respective hardened layers.
  • the aim of the present invention is to solve the above described problems by providing a prefabricated concrete panel which has high performance in terms of thermal and acoustic insulation and of resistance to fire and to the effects of weather, without requiring finishing operations after installation.
  • an object of the invention is to provide a panel which is practically free from thermal bridges between the two opposite faces.
  • Another object of the invention is to provide a panel which has no significant stresses due to thermal expansions.
  • Still another object is to provide a panel which can be manufactured in a simple manner with conventional panel prefabrication systems with modest production costs.
  • the panel according to the invention comprises a reinforcement frame 2 which is substantially constituted by two longitudinal element sections 3a and 3b and by two transverse element sections 4a and 4b which substantially perimetrically delimit the panel.
  • the reinforcement frame 2 can be made of various materials, such as steel, thermosetting plastic materials, materials additivated with resins and/or polymers, etc.
  • Said reinforcement frame can be made monolithically in a single pre-cast part or can be constituted, as illustrated, by a plurality of parts which are coupled by means of bolts, by fixing means, by gluing, by tying, by welding etc.
  • the element sections 3a, 3b, 4a and 4b are provided, on the mutually facing sides of the reinforcement frame, with two flanges 5 and 6 which are embedded in two concrete layers 7 and 8 which constitute the larger faces of the panel.
  • the two layers 7 and 8 are mutually spaced so as to define an interspace which is filled with a layer 9 of granular or compact, thermally insulating and/or lightening material which has surface dimensions substantially equal to those of the panel.
  • the layer 9 can be constituted, for example, by polystyrene of any density, cork, foamed clay, polyurethane, rock wool, materials made of mineral and/or polymer fibers, etc.
  • the two concrete layers 7 and 8 can be produced by simply using concrete or concrete additivated with resins, mineral or polymer fibers according to the requirements.
  • additional stiffening transverse element sections 10 are provided which are arranged substantially parallel to the transverse element sections 4a and 4b and are fixed in the two concrete layers 7 and 8.
  • the element sections 10 are fixed to the longitudinal element sections 3a and 3b similarly to the element sections 4a and 4b.
  • Reinforcement grids 11 and 12 are embedded in the two concrete layers 7 and 8 and can be fixed to the flanges 5 and 6 and possibly to longitudinal rods 13 supported by the additional transverse element sections 10.
  • Grip elements 14 are appropriately provided along the longitudinal element sections 3a and 3b, protrude transversely and longitudinally from the panel and are useful to move it. Said grip elements are also rigidly associated with the transverse element sections 4a and 4b or with the transverse element sections 10 as well as to the longitudinal element sections 3a and 3b.
  • the panel can be obtained by means of a forming box 15 simply constituted by a base plate 16 and by two appropriately shaped lateral shoulders 17 and 18, as illustrated in figure 2.
  • the panels thus obtained constitute load-bearing or self-supporting construction elements, depending on the reinforcement frame 2 used, which are placed mutually adjacent by means of coupling element sections 19 fixed to the element sections 3a, 3b, 4a, 4b which constitute the reinforcement frame.
  • the longitudinal or transverse element sections which constitute the reinforcement frame can affect substantially all the thickness of the panel, acting as concrete containment element and making unnecessary the use of the forming-box shoulders to form them.
  • the profiled elements arranged on two opposite sides of the panel externally have mutually associable configurations, in particular counter-shaped configurations, for example of the male-female type, thus also avoiding the use of coupling element sections 19.
  • the reinforcement frame indicated by the reference numeral 31, comprises perimetral element sections 32 and additional element sections 34 which have the same profile and are simply obtained by bending.
  • each element section 32, 34 has a substantially I-shaped configuration in transverse cross section.
  • Holes 33 are defined on the two parallel flanges 32a and 32b, 34a and 34b of said element sections 32, 34 and are elongated in a direction which is parallel to the longitudinal extension of said profiled elements; said holes are used to mutually associate, by bolting, the element sections which constitute the reinforcement frame.
  • Said holes 33 are conveniently arranged, on each of said flanges 32a, 32b, 34a, 34b, along two parallel rows, and the holes which belong to said two rows are mutually offset parallel to the longitudinal extension of the respective element section to facilitate positioning and assembly of the element sections and to obtain greater precision in angle couplings.
  • profiled elements 32 by virtue of their particular configuration, provides a greater flexural strength for the panel and an excellent fixing of the element sections in the concrete.
  • Holes 35 are conveniently defined in the core 34c of the additional transverse element sections 34 so as to provide a connection between the regions occupied by the layers 9. This connection makes the thermal conditions inside the panel uniform, particularly with regard to the distribution of humidity inside the panel.
  • the panel according to the invention fully achieves the intended aim, since by virtue of the thermally insulating or lightening layer substantially affecting the entire dimensions of the panel with no significant discontinuities, high performance in terms of thermal and acoustic insulation, resistance to fire and to the effects of weather is achieved without requiring any additional operation after installation and with no disadvantages of any sort due to different thermal expansions in the various parts which compose the panel.
  • the materials employed, as well as the dimensions can be any according to the requirements and to the state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Panels For Use In Building Construction (AREA)
  • Building Environments (AREA)

Claims (10)

  1. Vorgefertigte Betonplatte mit wärmeisolierender oder gewichtssparender Schicht mit einem Verstärkungsrahmen (2, 31), welcher wenigstens zwei longitudinale Elementbereiche (3a,3b,20,21,32) und zwei transversale Elementbereiche (4a, 4b,20,21,32) einschließt, welche gegenseitig zur Bildung des Rahmens miteinander verbunden sind und im wesentlichen umfänglich die Platte (1) begrenzen, wobei jeder Elementbereich einen mittleren Bereich, der sich im wesentlichen entlang der Breite der Platte erstreckt, und einen ersten Flansch (5,32a) und einen zweiten Flansch (6,32b) definiert, welche gegenseitig parallel sind und sich im wesentlichen rechtwinklig von dem mittleren Bereich zum Zentrum der Platte erstrecken, wobei der erste Flansch in eine erste Betonschicht (7) eingebettet ist, welche eine erste größere Fläche der Platte definiert, und wobei der zweite Flansch (6,32b) in eine zweite Betonschicht (8) eingebettet ist, welche eine zweite größere Fläche der Platte definiert, wobei die beiden Betonschichten (7,8) gegenseitig derart räumlich voneinander beabstandet sind, daß sie einen Zwischenraum definieren, welcher eine Schicht (9) aus wärmeisolierendem oder gewichtssparendem Material aufnimmt, dadurch gekennzeichnet,
    daß die Flansche (32a,32b) mit einer Reihe von Löchern (33) versehen sind, die entlang ihrer Längserstreckung zur Verbesserung der Verankerung der Flansche in den Betonschichten ausgespart sind.
  2. Vorgefertigte Platte nach Anspruch 1,
    dadurch gekennzeichnet,
    daß die Löcher (33) entlang zweier gegenseitig paralleler Reihen in jeden Flansch (32a,32b) angeordnet sind, wobei die Löcher längliche, ovalförmige Löcher sind und die Löcher einer Reihe im Verhältnis zu den Löchern der anderen Reihe versetzt sind.
  3. Vorgefertigte Platte nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet,
    daß der Rahmen (2,31) zusätzliche versteifende transversale Elementbereiche (10,34) aufweist, die in den beiden Betonschichten (7,8) befestigt sind und fest mit den longitudinalen Elementbereichen (3a,3b,20,21,32) verbunden sind.
  4. Vorgefertigte Platte nach Anspruch 3,
    dadurch gekennzeichnet,
    daß die versteifenden transversalen Elementbereiche (34) Verbindungslöcher (35) für die Plattenbereiche aufweisen, die durch die Schicht (9) aus wärmeisolierendem oder gewichtssparendem Material besetzt sind.
  5. Vorgefertigte Platte nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet,
    daß Verstärkungsgitter (11,12) in die beidon Betonschichten (7,8) eingebettet sind.
  6. Vorgefertigte Platte nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet,
    daß Gitterelemente (14) entlang der beiden longitudinalen Elementbereiche (3a,3b) vorgesehen sind, wobei die Gitterelemente aus der Platte (1) zur Bewegung derselben hervorstehen.
  7. Vorgefertigte Platte nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet,
    daß die transversalen Elementbereiche (20,21) des Rahmens, die an zwei gegenüberliegenden Seiten der Platte (1) außenrandseitig angeordnet sind, gegenseitig verbindbare Konfigurationen aufweisen.
  8. Vorgefertigte Platte nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet,
    daß der Rahmen (2) sich entlang der gesamten Dicke der Platte erstreckt und dabei als umfängliches Platteneinfassungselement dient.
  9. Vorgefertigte Platte nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet,
    daß die zusätzlichen versteifenden transversalen Elementbereiche (10) longitudinale Arme (13) tragen, die in die beiden Betonschichten (7,8) eingebettet und mit den Verstärkungsgittern (11,12) verbunden sind.
  10. Vorgefertigte Platte nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet,
    daß die Elementbereiche (32,34) einen durch Biegen erhaltenen, im wesentlichen Sigma-förmigen Querschnitt aufweisen.
EP90101213A 1989-01-30 1990-01-22 Vorgefertigtes Betonpaneel mit wärmeisolierender oder gewichtssparender Schicht Expired - Lifetime EP0381000B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1924389 1989-01-30
IT8919243A IT1228022B (it) 1989-01-30 1989-01-30 Pannello prefabbricato in calcestruzzo con strato termicamente isolante o di alleggerimento.

Publications (2)

Publication Number Publication Date
EP0381000A1 EP0381000A1 (de) 1990-08-08
EP0381000B1 true EP0381000B1 (de) 1993-04-21

Family

ID=11156067

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101213A Expired - Lifetime EP0381000B1 (de) 1989-01-30 1990-01-22 Vorgefertigtes Betonpaneel mit wärmeisolierender oder gewichtssparender Schicht

Country Status (4)

Country Link
EP (1) EP0381000B1 (de)
DE (1) DE69001360T2 (de)
ES (1) ES2040511T3 (de)
IT (1) IT1228022B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023239236A1 (en) * 2022-06-07 2023-12-14 Douwes Johannes Jacobus Wall element, wall and building as well as method for construction

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US5136821A (en) * 1990-10-29 1992-08-11 Cecco Trading, Inc. Method of forming noise attenuation barrier
US5758463A (en) * 1993-03-12 1998-06-02 P & M Manufacturing Co., Ltd. Composite modular building panel
MD1511G2 (ro) * 1993-12-20 2002-01-31 R.A.R.Consultants Ltd. Panou prefabricat de construcţie rezistent la cutremur, vînturi şi foc, structuri formate din aceste panouri
PT1028207E (pt) * 1993-12-20 2004-09-30 R A R Consultants Ltd Fixacao de um elemento de acabamento arquitectonico
EP0691441A1 (de) * 1994-02-21 1996-01-10 Peter W. P. Graulich Tragende Bauplatte und ihr Kern für Gebäude
GB2297335A (en) * 1995-01-25 1996-07-31 Riccardo Antonio Ro Cristofoli Structoral panel
IT1294634B1 (it) * 1997-09-19 1999-04-12 Edile Pedemontana Spa Sistema di realizzazione di pannelli in calcestruzzo armato per strutture prefabbricate
AT406917B (de) * 1998-06-10 2000-10-25 Scheuch Alois Gmbh Verschalung
IT1316774B1 (it) 2000-02-18 2003-05-12 Sergio Zambelli Armatura per pannelli prefabbricati in calcestruzzo,ad aderenza,conil calcestruzzo,migliorata
US20030056456A1 (en) * 2001-09-24 2003-03-27 Heydon John J. Thermally insulating building wall structure
GB2430945A (en) * 2005-10-08 2007-04-11 Henley Consultants Ltd Modular composite floor units
AT504130B1 (de) * 2006-08-08 2008-03-15 Jakob Hraschan Leichtbauelement
US20120042592A1 (en) * 2009-02-27 2012-02-23 Givent Ltd. Wall element and method for producing the element
ES2390898B1 (es) * 2009-10-20 2013-09-30 Imat Centre Tecnològic De La Construcció Fachada prefabricada y su correspondiente procedimiento de fabricacion
US9593487B2 (en) 2014-09-05 2017-03-14 James F. Harvey Modular building system
ITUB20161207A1 (it) * 2016-03-01 2016-06-01 Bressaglia Pierangela Parete modulare in legno e calcestruzzo armato, elemento prefabbricato di detta parete e relativo procedimento di fabbricazione e metodo di montaggio
WO2018212779A1 (en) * 2017-05-19 2018-11-22 Vega Building Systems, Llc Wall module incorporating cellular concrete in a stacking structural steel wall frame
IT201900001041A1 (it) * 2019-01-24 2020-07-24 Mauro Pizzolato Struttura di pannello per costruzioni prefabbricate
DE102019107436A1 (de) * 2019-03-22 2020-09-24 Peri Gmbh Tragstruktur für ein Rahmenschalungspaneel
EP3835506B1 (de) * 2019-12-10 2023-06-07 Leviat GmbH Verbindungsanker für mehrschichtige betonplatten und mehrschichtige betonplatte

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US4489530A (en) * 1981-12-23 1984-12-25 Chi Ming Chang Sandwich wall structure and the method for constructing the same
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023239236A1 (en) * 2022-06-07 2023-12-14 Douwes Johannes Jacobus Wall element, wall and building as well as method for construction
NL2032089B1 (nl) * 2022-06-07 2023-12-14 Jacobus Douwes Johannes Wandelement, wand en gebouw alsmede bouwwerkwijze

Also Published As

Publication number Publication date
ES2040511T3 (es) 1993-10-16
DE69001360T2 (de) 1993-07-29
IT8919243A0 (it) 1989-01-30
DE69001360D1 (de) 1993-05-27
IT1228022B (it) 1991-05-27
EP0381000A1 (de) 1990-08-08

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