EP2804998A1 - Monoblock construction component with load bearing structure - Google Patents

Monoblock construction component with load bearing structure

Info

Publication number
EP2804998A1
EP2804998A1 EP12826552.7A EP12826552A EP2804998A1 EP 2804998 A1 EP2804998 A1 EP 2804998A1 EP 12826552 A EP12826552 A EP 12826552A EP 2804998 A1 EP2804998 A1 EP 2804998A1
Authority
EP
European Patent Office
Prior art keywords
base
component
lintel
reinforced
polystyrene
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.)
Withdrawn
Application number
EP12826552.7A
Other languages
German (de)
French (fr)
Inventor
Manuela GHIDINI TESTA
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.)
Cantiere Tri Plok Srl
Original Assignee
Cantiere Tri Plok Srl
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 Cantiere Tri Plok Srl filed Critical Cantiere Tri Plok Srl
Publication of EP2804998A1 publication Critical patent/EP2804998A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
    • E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
    • E04C1/41—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts composed of insulating material and load-bearing concrete, stone or stone-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
    • E04C3/29—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
    • E04C2003/023—Lintels

Definitions

  • the present invention relates to a component for use in the residential and industrial construction sectors.
  • the present invention refers to a monoblock construction component with a load bearing structure substantially comprising a lintel for use in the construction industry as a horizontal building component.
  • the lintel base is made from an insulating material such as polystyrene foam which preferably has a rough surface in order to ensure good adhesion.
  • the lintel manufactured in this way provides an innovative form of thermal insulation in conformity with the latest standards and regulations.
  • This invention can be applied in the construction industry in general and in particular in the sector for load bearing structures and lintels.
  • the invention could also be used to manufacture other types of monoblock structures such as blocks in cementitious material.
  • Lintels are one of the most widely used components for this purpose in the sector.
  • a lintel is a horizontal building component of the not-pushing, loading bearing type, that is, it does not touch the ground but offloads its weight onto other elements. Very often it also supports the load of the building elements above it. Characteristically the lintel rests on two piers or posts, to which it is sometimes connected by interlocking joints and to which it transfers its weight and the load of any structures above the lintel itself. In general, a lintel spans an open space with its central section being suspended over an open space. Its use is therefore limited by the weight resting on top of it and the resistance of the material from which it is made.
  • a typical problem with lintels is to calculate the weight they can support and to establish the ratio between length and height to be used in practice.
  • a further problem is to ensure conformity with the latest regulations regarding energy conservation given that the lintel is a load bearing structural component which is difficult to provide with thermal insulation.
  • conventional lintels usually comprise a brick base containing a reinforced concrete part inside.
  • the document EP-A-0088875 describes a concrete element with an outer covering comprising a plurality of panels made from an insulating material laid side by side and connected to each other by a interlocking system.
  • the document US-A_5839243 describes a structure with reinforced concrete walls covered on the inside and outside with a plurality of panels made from a thermal insulating material where the panels are connected to each by an interlocking system.
  • the present invention provides a load bearing structural component, such as a lintel purely by way of a non-limiting example, for use in the construction sector which makes it possible to eliminate or at least reduce the drawbacks described above.
  • the invention provides a loading bearing structural component, such as a lintel purely by way of a non-limiting example, designed for use with walls and partition walls and where the component is easy to make and employs material which provides a high degree of thermal insulation and a high load bearing capacity.
  • a loading bearing structural component such as a lintel purely by way of a non-limiting example, designed for use with walls and partition walls and where the component is easy to make and employs material which provides a high degree of thermal insulation and a high load bearing capacity.
  • the load bearing structural component such as a lintel purely by way of a non-limiting example, substantially comprises a base made from an insulating material such as polystyrene or a similar material filled with concrete reinforced with an electro- welded trellis.
  • the insulating material usually comprising polystyrene foam, other extruded material, EPS or polyurethane, and the base made from polystyrene foam does not have a smooth skin but is left in the rough, unfinished state to provide a surface which ensures a greater degree of adhesion.
  • Figure 1 is a cross-section showing the base of a product manufactured according to the invention
  • Figure 2 is a lengthways cross-section of the base along the line A-A in figure 1;
  • Figure 3 is a plan view of the base
  • Figure 4 is a cross-section of the product according to the invention complete with the reinforced concrete filling reinforced with electro-welded trellis .
  • the numeral 10 indicates in its entirety the base of the product, in particular the base of a lintel according to the present invention having an elongated, rectangular section where the upper part has a countersunk seat 11 for containing the filling material.
  • the filling material comprises cast concrete 12 reinforced with an electro-welded trellis 13, as shown in Figure 4, or reinforced with one or more loose iron bars or one or more steel ply cables, that is, a component obtained also by prestressing .
  • the base 10 comprises a pair of undercuts 14, 15 whose primary function is to fix the concrete casting to the base 10. Once the concrete cast into the base 10 has hardened, the presence of the undercuts 14, 15 ensures that the casting forms a single, monoblock with the base 10. The resulting monoblock can be cut to size to facilitate transport and assembly while maintaining its original thermal insulation characteristics unchanged.
  • the concrete casting can also be made with fibre-reinforced cements or cementitious mortars and/or reinforced with electro- welded trellis, with bars or with wire mesh.
  • This composition forms a monoblock lintel with a load bearing structure.
  • the base is made from brick and therefore involves all the problems outlined above.
  • the base 10 is made from a high-strength, insulating material so as to obtain a monoblock component which is different from the known technical solutions in that it does not have a plurality of interconnected panels.
  • These characteristics give the component a high degree of thermal insulation and at the same time a high resistance to loads. These characteristics benefit the overall thermal insulation of the building while at the same time ensuring the maximum conformity with load bearing parameters.
  • the base 10 of the structural component or lintel substantially comprises an insulating material such as polystyrene, polystyrene foam or a similar material.
  • the insulating material can comprise polystyrene or polystyrene foam, such as XPS or EPS (polystyrene) , or PUR (polyurethane ) or other similar materials with a cellular structure.
  • polystyrene or polystyrene foam such as XPS or EPS (polystyrene) , or PUR (polyurethane ) or other similar materials with a cellular structure.
  • a further characteristic of the invention is that the base is made from polystyrene foam whose surfaces do not have a smooth skin but preferably have a rough and unfinished surface in order to ensure the best adhesion on the join with the cementitious bonding material, starting from the cast concrete filling 12 reinforced with electro-welded trellis 13, as shown in Figure 4, so as to form a single body, or monoblock, with the base.
  • the base made from an insulating material such as polystyrene can be produced by hot injection processes in a die or similar, by hot pressing or by other processes suitable for producing a base 10 which can then be filled with concrete reinforced with electro-welded trellis inserted in the lengthways seat 11.
  • the concrete casting can also be made with fibre- reinforced cements or cementitious mortars and/or reinforced with electro-welded trellis, with bars or with wire mesh.
  • the base material produced as described above can be finished by cutting, gluing, trimming or any other process necessary to give the invention the appearance and characteristics necessary for its inclusion in the production processes downstream and for its final use.
  • the product manufactured following the instructions described above is very strong and makes the lintel both insulated and insulating in terms of heat dispersion. It is therefore perfectly suitable for performing the functions of a lintel with insulating properties.
  • the invention can be applied not only to the production of monoblock lintels but could also be advantageously used to produce concrete blocks with a coating of insulating material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Building Environments (AREA)

Abstract

A component for use in the civil and residential construction sector comprising a base (10) generally having a U-shaped section comprising a seat (11) containing filling material and in particular cast concrete. This base is made from a thermal insulating, sound-proofing, high-strength material such as polystyrene or polyiirethane and the seat (11) of the base has a series of undercuts (14, 15) such as to form, once the cast concrete has hardened, a single piece, monoblock component with a loadbearing structure having a thermal insulation and soundproofing coating.

Description

"MONOBLOCK CONSTRUCTION COMPONENT WITH LOAD BEARING STRUCTURE"
**********
TECHNICAL FIELD
The present invention relates to a component for use in the residential and industrial construction sectors.
In particular the present invention refers to a monoblock construction component with a load bearing structure substantially comprising a lintel for use in the construction industry as a horizontal building component. The lintel base is made from an insulating material such as polystyrene foam which preferably has a rough surface in order to ensure good adhesion. The lintel manufactured in this way provides an innovative form of thermal insulation in conformity with the latest standards and regulations.
This invention can be applied in the construction industry in general and in particular in the sector for load bearing structures and lintels.
The invention could also be used to manufacture other types of monoblock structures such as blocks in cementitious material.
BACKGROUND ART
Known technology in the civil construction sector includes the use of some components which act as supporting elements for the masonry work of buildings.
Lintels are one of the most widely used components for this purpose in the sector. A lintel is a horizontal building component of the not-pushing, loading bearing type, that is, it does not touch the ground but offloads its weight onto other elements. Very often it also supports the load of the building elements above it. Characteristically the lintel rests on two piers or posts, to which it is sometimes connected by interlocking joints and to which it transfers its weight and the load of any structures above the lintel itself. In general, a lintel spans an open space with its central section being suspended over an open space. Its use is therefore limited by the weight resting on top of it and the resistance of the material from which it is made.
A typical problem with lintels is to calculate the weight they can support and to establish the ratio between length and height to be used in practice. A further problem is to ensure conformity with the latest regulations regarding energy conservation given that the lintel is a load bearing structural component which is difficult to provide with thermal insulation.
In practice, conventional lintels usually comprise a brick base containing a reinforced concrete part inside.
One of the known methods for improving the thermal insulation of lintels is to use insulating panels. However, this solution does not solve the root cause of the problem because the layered structure of the solution does not eliminate the thermal bridge problems to be found in this type of structure. Failure to solve this problem degrades the overall thermal insulation of the building provided by this solution.
The document EP-A-0088875 describes a concrete element with an outer covering comprising a plurality of panels made from an insulating material laid side by side and connected to each other by a interlocking system.
Similarly, the document US-A_5839243 describes a structure with reinforced concrete walls covered on the inside and outside with a plurality of panels made from a thermal insulating material where the panels are connected to each by an interlocking system.
The products described in the documents cited above are not blocks which can be transported and used independently but are simply coverings, in a some cases very complex, to be attached to structures which are already in situ.
DESCRIPTION OF THE INVENTION
The present invention provides a load bearing structural component, such as a lintel purely by way of a non-limiting example, for use in the construction sector which makes it possible to eliminate or at least reduce the drawbacks described above.
In addition, the invention provides a loading bearing structural component, such as a lintel purely by way of a non-limiting example, designed for use with walls and partition walls and where the component is easy to make and employs material which provides a high degree of thermal insulation and a high load bearing capacity.
This is achieved by means of a load bearing structural component, such as a lintel purely by way of example, whose characteristics are described in the main claim.
The dependent claims of the solution in this invention describe advantageous embodiments of the invention .
The principal advantages of this solution, in addition to all those which derive from its simple, easy to manufacture design, primarily concern the fact that use of special insulating material to make the lintel base according to the invention provides the maximum degree of insulation to the masonry works where the lintel is installed and thereby benefits the overall thermal insulation of a building.
The load bearing structural component, such as a lintel purely by way of a non-limiting example, according to the invention substantially comprises a base made from an insulating material such as polystyrene or a similar material filled with concrete reinforced with an electro- welded trellis.
According to the invention, the insulating material, usually comprising polystyrene foam, other extruded material, EPS or polyurethane, and the base made from polystyrene foam does not have a smooth skin but is left in the rough, unfinished state to provide a surface which ensures a greater degree of adhesion.
DESCRIPTION OF THE DRAWINGS
Further features and advantages of the invention will become apparent from the description of an embodiment which follows with reference to the annexed drawings, given purely by way of a non-limiting example, in which:
Figure 1 is a cross-section showing the base of a product manufactured according to the invention;
Figure 2 is a lengthways cross-section of the base along the line A-A in figure 1;
Figure 3 is a plan view of the base;
Figure 4 is a cross-section of the product according to the invention complete with the reinforced concrete filling reinforced with electro-welded trellis .
DESCRIPTION OF ONE EMBODIMENT OF THE INVENTION
In the annexed figures, the numeral 10 indicates in its entirety the base of the product, in particular the base of a lintel according to the present invention having an elongated, rectangular section where the upper part has a countersunk seat 11 for containing the filling material. Generally, the filling material comprises cast concrete 12 reinforced with an electro-welded trellis 13, as shown in Figure 4, or reinforced with one or more loose iron bars or one or more steel ply cables, that is, a component obtained also by prestressing .
According to the invention, the base 10 comprises a pair of undercuts 14, 15 whose primary function is to fix the concrete casting to the base 10. Once the concrete cast into the base 10 has hardened, the presence of the undercuts 14, 15 ensures that the casting forms a single, monoblock with the base 10. The resulting monoblock can be cut to size to facilitate transport and assembly while maintaining its original thermal insulation characteristics unchanged.
It should be noted that the concrete casting can also be made with fibre-reinforced cements or cementitious mortars and/or reinforced with electro- welded trellis, with bars or with wire mesh.
This composition forms a monoblock lintel with a load bearing structure. In the known technical solutions, the base is made from brick and therefore involves all the problems outlined above.
According to the present invention, the base 10 is made from a high-strength, insulating material so as to obtain a monoblock component which is different from the known technical solutions in that it does not have a plurality of interconnected panels. These characteristics give the component a high degree of thermal insulation and at the same time a high resistance to loads. These characteristics benefit the overall thermal insulation of the building while at the same time ensuring the maximum conformity with load bearing parameters.
According to the invention, the base 10 of the structural component or lintel substantially comprises an insulating material such as polystyrene, polystyrene foam or a similar material.
In one particularly advantageous embodiment, the insulating material can comprise polystyrene or polystyrene foam, such as XPS or EPS (polystyrene) , or PUR (polyurethane ) or other similar materials with a cellular structure.
A further characteristic of the invention is that the base is made from polystyrene foam whose surfaces do not have a smooth skin but preferably have a rough and unfinished surface in order to ensure the best adhesion on the join with the cementitious bonding material, starting from the cast concrete filling 12 reinforced with electro-welded trellis 13, as shown in Figure 4, so as to form a single body, or monoblock, with the base.
From a manufacturing point of view, the base made from an insulating material such as polystyrene can be produced by hot injection processes in a die or similar, by hot pressing or by other processes suitable for producing a base 10 which can then be filled with concrete reinforced with electro-welded trellis inserted in the lengthways seat 11.
The concrete casting can also be made with fibre- reinforced cements or cementitious mortars and/or reinforced with electro-welded trellis, with bars or with wire mesh.
In order to make the base according to the present invention, the base material produced as described above can be finished by cutting, gluing, trimming or any other process necessary to give the invention the appearance and characteristics necessary for its inclusion in the production processes downstream and for its final use.
The product manufactured following the instructions described above is very strong and makes the lintel both insulated and insulating in terms of heat dispersion. It is therefore perfectly suitable for performing the functions of a lintel with insulating properties.
Various tests have established that a base made from polystyrene foam has a thermal conductivity (λ declared) of approximately 0.100 W/m °K or of 0.105 W/m °K.
A theoretical comparison made purely by way of example between the solution in the present invention (i.e. a lintel with a polystyrene foam base and filled with concrete reinforced with electro-welded trellis) and the traditional solution used (i.e. lintel with a brick base and filled with concrete reinforced with electro- welded trellis) makes it plausible to posit that a polystyrene base enables an advantageous reduction of 85%.
Purely by way of a non-limiting example, using a model with the same geometry together with a thermal conductivity value for brick (λ brick) of 0.350 /m°K and a thermal conductivity of 2.00 W/m°K for concrete gives an overall thermal conductivity λ for the brick base + concrete solution of 0.7309 W/m °K. Comparing this value with the 0.100 W/m°K measured above shows a reduction of (1- (0.100 / 0.7309)) = 86%) in favour of the polystyrene + concrete lintel.
The invention as described above refers to a preferred embodiment. It is nevertheless clear that the invention is susceptible to numerous variations which lie within the scope of its disclosure and within the framework of technical equivalents as described in the claims below.
Furthermore, the invention can be applied not only to the production of monoblock lintels but could also be advantageously used to produce concrete blocks with a coating of insulating material.

Claims

A component for use in the civil and residential construction sector comprising a base (10) generally having a U-shaped section comprising a seat (11) containing filling material and in particular cast concrete, characterised in that the base is made from a thermal insulating, sound-proofing, high- strength material such as polystyrene or polyurethane and also characterised in that the seat
(11) of the base has a series of undercuts (14, 15) such as to form, once the cast concrete has hardened, a single piece, monoblock component with a loadbearing structure having a thermal insulation and soundproofing coating.
The component according to claim 1, characterised in that it comprises a lintel, generally having an elongated, rectangular section where the upper part has a lengthways seat (11) for containing the filling material, generally comprising cast concrete
(12) reinforced with an electro-welded trellis (13), or reinforced with one or more loose iron bars or one or more steel ply cables, that is, a component obtained also by prestressing and casting concrete also with fibre-reinforced cements or cementitious mortars and/or reinforced with electro-welded trellis or with bars or with wire mesh so as to form a monoblock lintel with a loadbearing structure.
The component according to one of the preceding claims, characterised in that the insulating material used to make the base (10) comprises polystyrene or polystyrene foam, such as XPS or EPS (polystyrene) , or PUR (polyurethane) or other similar materials with a cellular structure. The component according to one of the preceding claims, characterised in that the base (10) is made from polystyrene foam whose surfaces do not have a skin, that is, whose surfaces are rough and unfinished in order to ensure the best adhesion on the join with the cementitious bonding material and the best adhesion on the join between the lintel and the masonry.
The component according to claim 1, characterised in that the component comprises a block of cementitious material bonded and coated on three sides, when seen in cross-section, with thermal insulating and soundproofing material.
EP12826552.7A 2011-12-23 2012-12-21 Monoblock construction component with load bearing structure Withdrawn EP2804998A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000235A ITVR20110235A1 (en) 2011-12-23 2011-12-23 BUILDING STRUCTURE MONOBLOC COMPONENT COMPONENT
PCT/IB2012/057595 WO2013093871A1 (en) 2011-12-23 2012-12-21 Monoblock construction component with load bearing structure

Publications (1)

Publication Number Publication Date
EP2804998A1 true EP2804998A1 (en) 2014-11-26

Family

ID=45757163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12826552.7A Withdrawn EP2804998A1 (en) 2011-12-23 2012-12-21 Monoblock construction component with load bearing structure

Country Status (3)

Country Link
EP (1) EP2804998A1 (en)
IT (1) ITVR20110235A1 (en)
WO (1) WO2013093871A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
OA10230A (en) * 1994-02-28 1997-09-19 Abou Moussa Method of constructing lightweight buildings using split bricks without formwork or clamps
FR2937660A1 (en) * 2008-10-24 2010-04-30 Francis Tetaud Formwork block for constructing wall of building, has longitudinal sidewalls arranged parallel and reunited by transversal sidewalls, where block is made of insulating plastic material
DE202011002466U1 (en) * 2010-03-03 2011-04-14 Müller, Michael Profile element for arrangement on a building wall opening

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7019112U (en) * 1970-05-22 1970-12-17 Juergens Walter COMPONENT (HOLLOW BLOCK).
DE3123991A1 (en) * 1981-06-19 1983-01-13 Max 7713 Hüfingen Gut Building block
CH655540B (en) * 1982-03-11 1986-04-30
DE3405736A1 (en) * 1984-02-17 1985-08-22 Ipa-Isorast International S.A., Panama FORMWORK ELEMENT FOR THE SHEATH CONCRETE CONSTRUCTION AND WARM INSULATION PANEL
US5465542A (en) * 1992-05-29 1995-11-14 Terry; Verl O. Interblocking concrete form modules
US5901520A (en) * 1995-07-11 1999-05-11 Abdul-Baki; Assad Interlocking building blocks
US5839243A (en) * 1996-09-13 1998-11-24 New Energy Wall Systems, Inc. Interlocking and insulated form pattern assembly for creating a wall structure for receiving poured concrete
MXNL06000030A (en) * 2003-12-17 2006-06-01 Antonio Oscar Hernande Estrada Polyurethane or polystyrene foam block for concrete structures.
TR200606812A1 (en) * 2006-12-01 2007-10-22 Kutlu Oktay Insulated and lightweight wall construction.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
OA10230A (en) * 1994-02-28 1997-09-19 Abou Moussa Method of constructing lightweight buildings using split bricks without formwork or clamps
FR2937660A1 (en) * 2008-10-24 2010-04-30 Francis Tetaud Formwork block for constructing wall of building, has longitudinal sidewalls arranged parallel and reunited by transversal sidewalls, where block is made of insulating plastic material
DE202011002466U1 (en) * 2010-03-03 2011-04-14 Müller, Michael Profile element for arrangement on a building wall opening

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013093871A1 *

Also Published As

Publication number Publication date
WO2013093871A1 (en) 2013-06-27
ITVR20110235A1 (en) 2013-06-24

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