EP3754129B1 - Facade non porteuse a ossature bois - Google Patents

Facade non porteuse a ossature bois Download PDF

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Publication number
EP3754129B1
EP3754129B1 EP20181197.3A EP20181197A EP3754129B1 EP 3754129 B1 EP3754129 B1 EP 3754129B1 EP 20181197 A EP20181197 A EP 20181197A EP 3754129 B1 EP3754129 B1 EP 3754129B1
Authority
EP
European Patent Office
Prior art keywords
panels
panel
properties
façade
seal
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.)
Active
Application number
EP20181197.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3754129A1 (fr
Inventor
Ludwig HAHUSSEAU
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.)
Eiffage Construction SAS
Original Assignee
Eiffage Construction SAS
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Filing date
Publication date
Application filed by Eiffage Construction SAS filed Critical Eiffage Construction SAS
Publication of EP3754129A1 publication Critical patent/EP3754129A1/fr
Application granted granted Critical
Publication of EP3754129B1 publication Critical patent/EP3754129B1/fr
Active legal-status Critical Current
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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
    • E04B2/88—Curtain walls
    • E04B2/90—Curtain walls comprising panels directly attached to the structure
    • E04B2/92—Sandwich-type panels
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6813—Compressable seals of hollow form
    • 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
    • E04C2/296—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 non-metallic or unspecified sheet-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
    • E04C2/386—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

Definitions

  • the invention relates to the field of building construction, more particularly the construction of high-rise buildings using a majority of wood material.
  • Bearing structures are stackable structures designed to absorb stresses at the scale of the entire structure. As part of load-bearing structures, different frames or panels are in contact and a load transfer takes place between these frames or panels. Although there are wooden frame load-bearing structures, these structures are not a priori reasonably capable of supporting a high-rise structure such as an apartment building.
  • non-load-bearing facades it is a matter of carrying a plurality of elements such as frames or panels to a load-bearing structure. These different frames or panels are designed to support their own load, their own deformation and the deformations of the structure. This results in significant technical complications in order to obtain a watertight non-load-bearing facade.
  • the question of the joints between the various frames or panels is tricky because these joints must both allow the mechanical properties of the various panels to be preserved, ensure the tightness of the whole the facade, and not overly complicate the installation of the assembly.
  • wood is a construction material that can allow the construction of buildings in a carbon-free and biosourced way, a problem for the future in a context of environmental crisis. There is therefore a need to produce non-load-bearing facades with a wooden frame.
  • the invention is defined by the set of pending claims.
  • the invention is a non-load-bearing building facade comprising a plurality of watertight panels and at least one joint making watertight a set of at least two of said panels, said watertight panels comprising a core consisting of at least least 10% by mass of a capitaous material, provided with at least one bracing covering.
  • the waterproof panel comprises a core, for example in the form of a wooden frame composed of uprights, crosspieces, spacers, lintels, etc.
  • the core is comprised between an exterior coating and an interior coating. At least one of the two skins is a bracing skin.
  • the panel according to the present invention is presented in one piece, unlike a panel comprising for example a complex frame structure in which cassettes are inserted.
  • the core has a thickness of between 120 and 220 mm.
  • the quantity of bambooous material is for example of the order of 3.6 L/m 2 . In this case, considering a species having a density of 0.290 kg/L, the mass of capitaous material per m 2 of panel is therefore 1.1 kg/m 2 .
  • the core can also include insulating materials such as rock wool or glass wool. The insulation thickness is advantageously at least 120 mm.
  • the ligneous material is preferably a wood chosen from resinous species.
  • the waterproof panels comprise at least 10% by weight of a ligneous material, more preferably excluding materials such as rock wool.
  • Said at least one bracing covering can be located on one side or the other of the web.
  • the panel comprises at least two coatings, located on either side of the core.
  • the invention is particularly interesting in the case of facades of tall buildings, for example beyond 18 meters in height which corresponds to the regulatory limit in the field of housing between so-called 2 nd and 3 rd family buildings. .
  • Said at least one seal may comprise an adhesive tape. Such a seal is easy to install and store.
  • the gasket is made of a polymer material, preferably of the EPDM type.
  • Such seals can have a wide variety of configurations so as to to be able to adapt to any type of geometry, thus overcoming the disadvantages of adhesive tapes.
  • Said at least one seal then comprises a first substantially planar portion integral with a first panel and a second substantially tubular portion which can deform so as to flatten when it is compressed by an external element such as a second panel.
  • a first substantially planar portion integral with a first panel
  • a second substantially tubular portion which can deform so as to flatten when it is compressed by an external element such as a second panel.
  • said at least one gasket further comprises a third portion, substantially tubular, which can deform so as to flatten when it is compressed by an external element such as a second panel, said third portion being arranged substantially parallel to the second portion.
  • the third portion forms a second redundant barrier ensuring the perfect sealing of the process, while the first barrier retains an effect allowing the pressure of the pressure to be decompressed. water.
  • the seal advantageously makes it possible to create a space at the rear of the EPDM seal, making it possible to provide a fireproof seal if necessary.
  • Each panel is also covered at least partially with a waterproof geotextile film.
  • a waterproof geotextile film can be compressed on this geotextile film of an adjacent panel, ensuring the continuity of the seal over the entire panel.
  • the facade according to the invention has fire resistance properties in accordance with IT249, thermal insulation properties of at least 3.75 m 2 K/W, impact resistance properties greater than 900 J, and R7 watertightness properties (i.e. the maximum value according to the AEV standard), A4 airtightness (i.e. again the maximum value) and ELU wind resistance greater than 3600Pa (which covers most of the winds likely to strike a façade that are not tropical storms), intrinsically and in the absence of half-style lining.
  • R7 watertightness properties i.e. the maximum value according to the AEV standard
  • A4 airtightness i.e. again the maximum value
  • ELU wind resistance greater than 3600Pa which covers most of the winds likely to strike a façade that are not tropical storms
  • the panel may comprise two Fermacel coatings or one coating of BA18 with Duripanel.
  • the thickness and the constitution of the coatings of the panel are not necessarily identical.
  • the panel can also include specific accessories such as a rain barrier, a vapor barrier, etc.
  • the combination of the specific accessory, the joint and the very structure of the panel ensures that a user achieves predetermined characteristics of fire resistance, impact resistance, watertightness, airtightness and wind.
  • each sealed panel can be provided with two secondary coatings, the combination of the secondary coatings or the bracing coating conferring on each sealed panel said resistance properties fire, thermal insulation, sealing and impact resistance.
  • the facade according to the invention may also comprise at least one multiple joint in contact with a number strictly greater than two panels, said multiple joint being produced by injection of a waterproof material which solidifies after injection, preferably said material being a multi-component polymerizable mixture, for example bi-component.
  • a waterproof material which solidifies after injection
  • said material being a multi-component polymerizable mixture, for example bi-component.
  • the invention also relates to a method for laying a facade according to the invention in which the panels can be laid in any order.
  • a panel can be placed sideways, that is to say in a situation where several neighboring panels or protruding structural elements are already in place and where it would be a question of positioning the panel between these panels or elements. This can for example be made possible by seals comprising tubular portions as indicated above.
  • a panel according to the present invention finds particular application in the context, for example, of the energy renovation (insulation of a facade) of a building.
  • FIG. 1 shows an exploded sectional view of two panels of a facade according to one embodiment of the invention
  • FIG. 2 details a joint for the invention different from that represented in the figure 1 .
  • each isolated element is linked to the load-bearing structure while ensuring that their movements in service do not lead to "loading" of the MOB, which must remain unaffected. carrier and only support its own weight and that of its facing and be able to transmit the wind forces applied to it on the main supporting structure.
  • the joints between the MOBs are designed in such a way as to ensure their watertight and airtight function, despite possible relative displacements between them, during displacements in service of the primary load-bearing structure.
  • the seals can comprise a planar portion for attaching to the MOB 21, and a deformable substantially tubular portion 22.
  • the deformable portion 22 is designed to flatten between the two MOBs that are to be isolated, thus marrying the any asperities and providing the desired seal.
  • each MOB can be fitted with a seal, as shown in figure 1 : when the two MOBs are brought into contact, the two deformable portions 22 are deformed, which allows a double sealing barrier.
  • the MOBs preferably include: a rain shield 15 and specific accessories, an exterior closing panel 12, a wooden frame 10 composed of uprights, crosspieces, spacers, lintels, etc., an insulating filling 14, a panel interior closure 11 and a vapor barrier 13 and specific accessories.
  • MOBs can be equipped with exterior facings of any type. Examples of satisfactory facings are facings subject to technical advice, having proven their worth on concrete support in the field of use envisaged but not necessarily on the wooden frame at significant heights.
  • the exterior facing + MOB complex is advantageously supplemented by interior partitions of acoustic lining of different types possible in order to ensure compliance with acoustic regulations.
  • facade singularities located within a MOB element
  • facade singularities located at the junction of two MOB elements There are two distinct cases of facade singularities: facade singularities located within a MOB element, and facade singularities located at the junction of two MOB elements.
  • wall crossings electrical, plumbing and HVAC ducts for example
  • they can be managed in accordance with the rules of the art and the recommendation guides of the rain and vapor barrier manufacturers.
  • headers with framework reinforcement in the MOBs can be made.
  • the installation of the joinery is preferably done on the interior wall on a mechanically welded pre-frame, this allowing both perfect control of the sealing plane between the joinery and the pre-frame. framework and simple implementation, maintenance and replacement of the carpentry from the inside.
  • the outer wall mounting of the pre-frame allows perfect management of the seal at the junction with the rain shield 15. This junction is therefore advantageously placed outside the MOB thus avoiding any risk of leakage. within the MOB in the event of poor workmanship during the performance of this operation.
  • Some facade singularities are located at the junction planes between the MOBs, simply because on the one hand the mode of layout of the panels making up the facade is based on the frame of the primary structure and on the other hand because of the presence of secondary structural elements pass through the envelope.
  • the latter can be of different types such as brackets, crosspieces, hangers or braces, supports for balconies, passageways or any other molding elements potentially present on the facade.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Building Environments (AREA)
EP20181197.3A 2019-06-21 2020-06-19 Facade non porteuse a ossature bois Active EP3754129B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1906731A FR3097575A1 (fr) 2019-06-21 2019-06-21 Facade non porteuse a ossature bois

Publications (2)

Publication Number Publication Date
EP3754129A1 EP3754129A1 (fr) 2020-12-23
EP3754129B1 true EP3754129B1 (fr) 2022-04-27

Family

ID=69743271

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20181197.3A Active EP3754129B1 (fr) 2019-06-21 2020-06-19 Facade non porteuse a ossature bois

Country Status (4)

Country Link
EP (1) EP3754129B1 (es)
ES (1) ES2923656T3 (es)
FR (1) FR3097575A1 (es)
PL (1) PL3754129T3 (es)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7987644B2 (en) * 2006-09-15 2011-08-02 Enclos Corporation Curtainwall system
WO2012136860A1 (es) * 2011-04-08 2012-10-11 Ecomundi-Systems, S.L. Fachada modular

Also Published As

Publication number Publication date
ES2923656T3 (es) 2022-09-29
EP3754129A1 (fr) 2020-12-23
FR3097575A1 (fr) 2020-12-25
PL3754129T3 (pl) 2022-09-05

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