EP3290608A1 - Montageverfahren einer konstuktionseinheit, und entsprechende konstruktionseinheit - Google Patents

Montageverfahren einer konstuktionseinheit, und entsprechende konstruktionseinheit Download PDF

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Publication number
EP3290608A1
EP3290608A1 EP17189483.5A EP17189483A EP3290608A1 EP 3290608 A1 EP3290608 A1 EP 3290608A1 EP 17189483 A EP17189483 A EP 17189483A EP 3290608 A1 EP3290608 A1 EP 3290608A1
Authority
EP
European Patent Office
Prior art keywords
binder
building element
construction
building
assembly
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.)
Granted
Application number
EP17189483.5A
Other languages
English (en)
French (fr)
Other versions
EP3290608B1 (de
Inventor
Stéphane Yvars
Vincent FOUSSARD
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.)
Bouyer Leroux SCOP
Original Assignee
Bouyer Leroux Structure SAS
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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Application filed by Bouyer Leroux Structure SAS filed Critical Bouyer Leroux Structure SAS
Publication of EP3290608A1 publication Critical patent/EP3290608A1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2/14—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element
    • E04B2/16—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position
    • E04B2/18—Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having specially-designed means for stabilising the position by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0202—Details of connections
    • E04B2002/0204—Non-undercut connections, e.g. tongue and groove connections
    • E04B2002/0208—Non-undercut connections, e.g. tongue and groove connections of trapezoidal shape
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/02—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements
    • E04B2002/0256—Special features of building elements
    • E04B2002/0273—Adhesive layers other than mortar between building elements
    • E04B2002/0276—Separate layers or strips

Definitions

  • the present invention relates to the field of construction and more specifically to the field of load-bearing and / or structural masonry and relative constructions or masonry assemblies.
  • masonry building elements are assembled to form assemblies such as walls, etc. by means of mortar.
  • This type of binder has several disadvantages.
  • this method requires to put the elements in a very short period of about fifteen minutes which corresponds to the time of use after removal to ensure the assembly of the elements.
  • the foam does not remain in place on the building element and the bonding becomes impossible.
  • the doses of polyurethane foam must be limited because the polyurethane foam contains isocyanates (even in small quantities) which are often toxic and reactive compounds to handle with care and whose vapors must be strictly avoided.
  • the invention aims to remedy all or part of the aforementioned drawbacks by proposing a masonry set free of binder containing isocyanates or without release of isocyanates and whose structure allows rapid removal, simple whatever the external conditions.
  • the assembly method of the building assembly according to the invention has the advantage of being nontoxic by the use of a binder without isocyanate or devoid of reactive isocyanates.
  • the use of a binder in the form of gel or putty is advantageous because when it is applied to the first building element and in contact with the air, a protective film encapsulating the composition of said binder can form.
  • This protective film makes it possible to preserve the integrity of the binder composition in its shape and its chemical properties, whatever the external conditions.
  • the protective film is pierced or disintegrated, releasing the composition of the binder to allow adhesion of the first component to the second component.
  • this binder allows the installer to work in two ways that is to say setting elements before or after the formation of the film and without exceeding the core cure time of the binder recommended by the manufacturer , usually of the order of half an hour.
  • the term "binder” is understood to mean an element that is capable of binding, of keeping together different elements, of ensuring their cohesion or their union and which gives the bonding zone elements between them high mechanical qualities of adhesion, shear strength and sealing.
  • the term "gel” means a solid which can have properties ranging from soft and ductile to hard and brittle. According to a common dictionary definition, gels are defined as very dilute entangled systems with no flow when in a stable state. In bulk, the gels are mainly liquid, yet they behave like solids thanks to their three-dimensional network entangled within the liquid. It is these entanglements that give the gels their structure (hardness) and contribute to their adhesion.
  • the term "putty” a kind of plastic paste, obtained by mixing different synthetic or natural substances that give it certain mechanical properties, including a very high viscosity.
  • the binder whatever the form in which the binder is: gel or mastic, the latter has increased properties and in particular to confer on the bonding zone elements between them high mechanical qualities of adhesion, shear strength and sealing.
  • composition without isocyanates means a composition which is carried out without isocyanate or a composition which has a degree of purity sufficiently high that no release of isocyanate vapor is released from the whole of construction during or after installation.
  • the binder is devoid of polymerization of toxic products for humans.
  • the chemical formulation of the nontoxic binder also makes it possible to guarantee the durability of the performance during the lifetime of the structure (of the order of 50 years) or even to improve it over time, unlike the hydraulic binders whose mechanical performance stabilizes in the best case.
  • the binder is not free of esters or derivatives of phthalic acid or alcohols or derivatives of alcohols.
  • the formulation of the binder is such that the notions of shrinkage and creep do not exist in the medium and long term, unlike hydraulic binders based on cement which the impact of these characteristics on mechanical performance is known in the medium and long term.
  • the binder comprises a protective membrane in the form of a plate, pocket or bead encapsulating, as soon as it is applied, a core of active material, said protective membrane being configured to disintegrate or incorporate in the active ingredient so as not to screen the collage.
  • the core of active material can be released from the protective membrane for example by water spray before laying the building element.
  • the membrane may be water soluble.
  • the protective membrane is liable to disintegrate or to pierce, thus freeing the core of active material, by the application of a pressure on the latter during the installation of the upper construction element or adjacent to said protective membrane.
  • the binder used may be of a composition that is similar or identical to the binder of the brand Fix'bric® or Opti'fix®.
  • the contact surface of the first construction element and / or the contact surface of the second construction element is at least partially flat.
  • the contact surface intended to be covered by the binder of the first construction element and / or the contact surface intended to be covered by the binder of the second construction element is at least partially in relief.
  • the consistency of the binder close to a gel or putty and the absence of shrinkage on drying makes it possible to absorb the difference in dimensional tolerances and roughness of the contact surfaces of the upper element with the two adjacent elements 2 rectified while maintaining the mechanical properties in the current part or at a junction with an accessory.
  • the relief may be a relief in the form of a nesting member.
  • the flatness deviation of the contact surface intended to receive the binder is less than or equal to 1 mm.
  • the binder is a non-hydraulic non-polyurethane binder.
  • the binder is an epoxy or acrylic gel or geopolymer or mono or bi-component or organic.
  • the binder is a polyurethane.
  • the first construction element and / or the second construction element is cellular.
  • the binder is applied only on the horizontal faces of a construction element in at least partial manner, whether the construction element is solid or honeycombed, which makes it possible to strengthen the structure mechanically. compared to horizontal efforts such as earthquakes.
  • the bonding only of the horizontal faces makes it possible to adjust the amount of binder according to the efforts calculated to optimize the binder consumption on site or in the factory.
  • the European construction regulation such as Eurocode 8 imposes in the seismic zone the production of vertical joints when the assembly is based on traditional hydraulic binders, the mounting system according to the invention makes it possible to overcome it thanks the mechanical properties of the binder.
  • the binder may be spot or bead applied extending along the side of the building element, or bead extending partially along the side of the building element. or on the entire surface of the side of the building element.
  • the binder cords may be positioned on the outer edges and / or on inner portions of the contact surface or in the cavities formed by the relief or reliefs.
  • a first binder bead may be positioned on a first longitudinal outer edge and a second bead may be positioned facing the first bead on a longitudinal outer edge opposite the first edge.
  • the binder strings can be positioned asymmetrically.
  • one of the two outer edges of the element is devoid of binder.
  • the wall has an aesthetic and / or a homogeneous support for a coating or paint finish that would require it.
  • the contact surface of the first element of construction is in relief and cooperates with a complementary relief formed on the contact surface of the second element of construction.
  • the application of the binder is preferably carried out by manual or mechanically, pneumatically and / or electrically assisted gun.
  • the application of the binder is preferably carried out by means of a container under atmospheric pressure.
  • each building element can be made of terracotta, concrete, lightweight aggregate concrete or expanded clay, composite concrete, concrete based on plant fibers, cellular concrete, PVC, aluminum, wood, etc ....
  • the method comprises a step of placing an intermediate element on the binder after application of the binder to the first construction element.
  • an intermediate element advantageously makes it possible to increase the mechanical performances (shearing for example) or the acoustic performances of the assembly of construction.
  • the mounting method according to the invention allows prefabrication factory assembly of panels or walls or sets of high and / or large format.
  • the building assembly 100 comprises at least a first building element 1 and a second building element 2 connected to each other by a binder 3, as visible in FIGS. Figures 7 to 22 , 24 , 27 .
  • the binder is in the form of a gel or putty as can be seen in figure 23 and in figure 25 .
  • the application of the binder 3 can be carried out on a cellular contact surface at the junctions 5 of the cells 6 of the same building element 1, 2 as illustrated in FIGS. Figures 1A to 6B .
  • Examples of binder applications shown in Figures 1A to 6B are not limiting and illustrate only part of the application possibilities according to the invention.
  • the application of the binder 3 can also be carried out on one side of the construction element as illustrated in FIGS. Figures 7 to 21 .
  • the side of the first building element 1 is plane and identical to the side of the second building element 2.
  • These sides materialize the contact surfaces intended (at least one of the two) to receive the binder.
  • the binder may be spot or bead applied extending the length of the side of the building element, or bead extending partially along the side of the building element or over the entire surface of the side of the building element.
  • the binder cords may be positioned on the outer edges and / or on inner portions of the contact surface.
  • the side of the second building element 2 is embossed 2a and different from the side of the first building element 1.
  • These sides materialize the contact surfaces intended (at least one of the two) to receive the binder 3.
  • the binder 3 may be applied in points or in a bead extending all the way to the side of the building element, or in a bead extending partially along the side of the building element or over the entire surface of the side of the building element element of construction.
  • the binder cords may be positioned on the outer edges and / or on inner portions of the contact surface or in the cavities formed by the relief or reliefs 1a, 2a.
  • the side of the first building element 1 is in relief 1a and cooperates with a complementary relief 2a formed on the side of the second building element 2.
  • These sides materialize the contact surfaces intended (at least one of the two) to receive the binder.
  • the binder may be spot or bead applied extending along the side of the building element, or bead extending partially along the side of the building element or over the entire surface of the side of the building element.
  • the binder cords may be positioned on the outer edges and / or on inner portions of the contact surface or in the cavities formed by the relief or reliefs.
  • the mounting method comprises a further step consisting of the laying of an intermediate element 4 positioned between the first construction element 1 and the second construction element 2, the intermediate element enabling an increase in the mechanical or acoustic performance of the element 1. construction assembly 100.
  • This additional step is illustrated in figure 26 .
  • the step of laying the intermediate element 4 is carried out after the application of the binder 3 as illustrated in FIG. figure 25 and the result obtained: a reinforced construction set is illustrated in figure 27 .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Building Environments (AREA)
EP17189483.5A 2016-09-05 2017-09-05 Montageverfahren einer konstuktionseinheit, und entsprechende konstruktionseinheit Active EP3290608B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1658220A FR3055636B1 (fr) 2016-09-05 2016-09-05 Procede de montage d’un ensemble de construction et ensemble de construction associe

Publications (2)

Publication Number Publication Date
EP3290608A1 true EP3290608A1 (de) 2018-03-07
EP3290608B1 EP3290608B1 (de) 2021-05-12

Family

ID=57583216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17189483.5A Active EP3290608B1 (de) 2016-09-05 2017-09-05 Montageverfahren einer konstuktionseinheit, und entsprechende konstruktionseinheit

Country Status (2)

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EP (1) EP3290608B1 (de)
FR (1) FR3055636B1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2323394A (en) * 1996-07-25 1998-09-23 John Sidney Shute Mortarless brick walls
US20120247061A1 (en) * 2009-09-12 2012-10-04 Calmar Holdings, Llc. Masonry Construction using Single-Component Polyurethane Foam and Foam-Core Blocks

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5084542A (en) 1990-05-31 1992-01-28 E. I. Du Pont De Nemours And Company Epoxy/isocyanate crosslinked coatings containing 1,3-disubstituted imidazole-2-thione catalysts

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2323394A (en) * 1996-07-25 1998-09-23 John Sidney Shute Mortarless brick walls
US20120247061A1 (en) * 2009-09-12 2012-10-04 Calmar Holdings, Llc. Masonry Construction using Single-Component Polyurethane Foam and Foam-Core Blocks

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MAF AMRAN ET AL: "Green Polyurethane Adhesives for Wood Bonding", ADVANCED MATERIALS RESEARCH, 1 July 2015 (2015-07-01), Zurich, pages 331, XP055340002, Retrieved from the Internet <URL:http://www.hybridcoatingtech.com/pdf/HCT_brochure_READERSpread_Eng.pdf> [retrieved on 20170127], DOI: 10.4028/www.scientific.net/AMR.1115.331 *

Also Published As

Publication number Publication date
EP3290608B1 (de) 2021-05-12
FR3055636A1 (fr) 2018-03-09
FR3055636B1 (fr) 2018-08-31

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