EP1215346A1 - Plancher utilise pour la construction de batiment compose de profiles metalliques en forme de u - Google Patents
Plancher utilise pour la construction de batiment compose de profiles metalliques en forme de u Download PDFInfo
- Publication number
- EP1215346A1 EP1215346A1 EP01403073A EP01403073A EP1215346A1 EP 1215346 A1 EP1215346 A1 EP 1215346A1 EP 01403073 A EP01403073 A EP 01403073A EP 01403073 A EP01403073 A EP 01403073A EP 1215346 A1 EP1215346 A1 EP 1215346A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- floor
- slab
- floor according
- concrete
- webs
- 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
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
-
- 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
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
Definitions
- the present invention relates to a floor used for the construction of building comprising at least one U-shaped metal profile having two webs, longitudinal folds located on either side of a beach, a means of insulation thermal contained in the space between the webs of the profile, and a compression slab in reinforced concrete.
- the forms are provided with small ribs on which are placed plates or blocks of rigid polyurethane foam or material similar.
- a welded mesh is placed on the wings of the formwork, before the concrete is poured.
- the profile is perforated.
- This structure makes it possible to reduce the thickness of the compression slab while increasing the total inertia of the mixed steel / concrete slab. In addition, it provides thermal insulation in many cases.
- the floor does not meet the optimum conditions in terms of thermal insulation, sound insulation and mass-to-charge ratio.
- the object of the invention is to present an improvement of prior art cited in the simplification of construction as well as in the field of technical performance such as, in particular, the resistance to load compared to the floor mass, sound insulation, thermal insulation.
- the floor favors also a construction on site as well as a prefabricated industrialization.
- the invention relates to a floor used for building construction comprising at least one U-shaped metal profile having two cores, folds longitudinal located on either side of a beach, a means of thermal insulation contained in the space between the webs of the profile, and a concrete compression slab reinforced, characterized in that it is arranged between the reinforced concrete slab and the medium thermal insulation, an air space providing additional thermal insulation and phonic.
- the floor 1 used for building construction is composed as shown in Figure 1, of metal profiles 2 in the form of U having a track 3 and two cores 4, 5, which can be of different shapes, these webs 4, 5 being produced by longitudinal folding of a sheet blank.
- the profiles are juxtaposed with each other to form a formwork by nesting a core 4 of a profile with the core 5 of the concomitant profile.
- Each of the two souls of each profiles respectively comprises folds 6, 7, 8 for interlocking.
- the interlocking has in particular the advantages of being able to align the profiles in the formwork plan and to be able to close the joint between the profiles when passing the liquid concrete at the time of pouring.
- welded mesh 9 for reinforcing reinforced concrete.
- the frames in the form of welded mesh 9 are always linked to their base, of the formwork type, slabs, to prevent them from rising to the surface of poured concrete, by the effect of Archimedes' push.
- the welded mesh is placed in abutment on the flat surfaces of the folds 6,7 then linked to a part of the folds by means chosen from, a weld, for example by point, the flat part ensuring good mechanical and electrical contact for this type of connection; attachment by localized cutting of the fold of the core, cutout forming a tongue 10, 11 raised then folded over a round of the trellis welded ; an independent metal link such as a clip now by pinch the mesh welded to the frame or a metal wire.
- the floor comprises insulation means 12, 13, contained in the space between the cores 4,5 of the profiles 2 and between the area 3 of the profile and the slab of concrete 14 reinforced with the welded mesh 9.
- the insulation means 12, 13 include a on the one hand, a solid material 12, placed on the track 3 and on the other hand, an air space 13 located between the solid insulation 12 and the slab 14 ensuring sound insulation associated with a additional thermal insulation.
- An air gap preferably, greater than 3 cm, without circulation, is recognized as one of the best thermal insulators. If this means is known in the case of vertical insulating walls, it is not at all envisaged in the construction of floors the fact that the floor formwork and a container usually filled with material liquid that is concrete when used.
- Air flow without circulation means a closed air space that does not allow not a movement and or a renewal of the air. A movement and or a air renewal in this space would no longer ensure the function thermal and / or sound insulation of the floor.
- the core 15 can be solid and removable, displaceable longitudinally to the profiles after solidification of the concrete, in particular in the hypothesis of a prefabricated floor realization.
- the core 15 can be an air cushion may be cellular or an envelope containing a drainable fluid. The cushion or envelope may remain enclosed in the floor structure.
- the form of the core formed in the space between the solid insulation 12 and the slab 14 allows a clearance 16 at the juxtaposition of the profiles 2, to allow the concrete cast to coat a part 17, 18 of the cores of the sections 4, 5, and to produce a reinforced beam associated with the reinforced concrete slab.
- the nucleus can remain permanently, and can be made of a honeycombed or non-honeycombed box, of any material such as metal, polystyrene, gummed or tarred cardboard.
- the air space 13, in another example of application, as shown in the Figure 3, can be achieved by the use of a panel 20, slightly arched supporting the mass of concrete still liquid.
- the panel 20 in the vault is for example, a sheet preformed braced in support, either on the webs 4,5 of the profiles 2, or on the medium rigid insulation 12.
- the panel can be of any material, like the core 15.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
Description
- au niveau de la juxtaposition des profilés entre les espaces d'air de deux profilés, le plancher présente une poutrelle armée formée d'une partie des âmes des profilés et du béton de la dalle.
- les âmes comportent des pliures pour leur emboítement, assurant une liaison mécanique bloquante dans le sens perpendiculaire au plan de la dalle.
- au moins une partie des pliures, en bout de l'âme, forme un plan parallèle à la dalle pour le support d'un treillis soudé, armature du béton armé.
- le treillis soudé est lié à une partie des pliures par des moyens choisis parmi une soudure, un accrochage par découpe de l'âme, un lien métallique indépendant du type clip, fil.
- au moins une partie des pliures qui forme au moins un plan parallèle à la dalle assure, par épaulement, le positionnement en hauteur du coffrage de coulage du béton de la dalle.
- l'espace d'air est ménagé, lors de la réalisation du plancher, par un noyau supportant la masse de béton encore liquide.
- le noyau est amovible et déplaçable longitudinalement au profilé.
- le noyau est un coussin contenant un fluide choisi parmi l'air, l'eau.
- le coussin est alvéolaire.
- l'espace d'air est ménagé, lors de la réalisation du plancher, par un panneau pouvant être préformé, supportant la masse de béton encore liquide.
- le panneau formant une voûte est arc-boutée en appui, soit sur les âmes des profilés, soit sur le moyen d'isolation rigide.
- le coffrage obtenu avec le seul assemblage des profilés selon l'invention est parfaitement étanche en soi,
- chaque profilé peut présenter sur la plage 3, plusieurs nervures 21 ou plis crénelés longitudinaux permettant ainsi de fabriquer des coffrages de grande largeur, et assurant le montage de panneaux de plâtre en sous plancher.
- une grande efficacité par l'emploi de treillis soudé pour béton fixés préalablement en usine sur l'une ou deux des âmes.
- le plancher selon l'invention est destiné à la réalisation notamment d'habitat individuel, collectif, administratif, industriel et tertiaire,
- le plancher assure la réalisation de portées jusqu'à 6 ou 7m avec une flèche inférieure ou égale à 1/500 et des surcharges d'exploitation jusqu'à 500 daN/m2,
- le plancher répond, sous cette forme, à la réglementation acoustique et thermique en vigueur,
- le plancher est de faible masse surfacique, c'est-à-dire inférieure à 150 Kg/m2, réduisant les descentes de charge,
- le plancher associé à une plaque de plâtre fixée en sous face, permet d'améliorer le degré coupe feu.
Claims (12)
- Plancher utilisé pour la construction de bâtiment comportant au moins un profilé métallique en forme de U présentant deux âmes, plis longitudinaux situés de part et d'autre d'une plage, un moyen d'isolation thermique contenus dans l'espace entre les âmes du profilé, et une dalle de compression en béton armé, caractérisé en ce qu'il est ménagé, entre la dalle de béton (14) armé et le moyen d'isolation thermique (12), un espace d'air (13) assurant une isolation complémentaire thermique et phonique.
- Plancher selon la revendication 1 caractérisé en ce qu'au niveau de la juxtaposition des profilés (2) entre les espaces d'air de deux profilés (2), il présente une poutrelle armée formée d'une partie des âmes (4) (5) des profilés (2) et du béton de la dalle.
- Plancher selon l'une des revendications 1 et 2 caractérisé en ce que les âmes (4) (5) comportent des pliures (6) (7) (8) pour leur emboítement, assurant une liaison mécanique bloquante dans le sens perpendiculaire au plan de la dalle.
- Plancher selon l'une des revendications 1 et 3 caractérisé en ce qu'au moins une partie des pliures (6) (7), en bout de l'âme, forme un plan parallèle à la dalle pour le support d'un treillis soudé (9), armature du béton armé.
- Plancher selon l'une des revendications 1 à 4 caractérisé en ce que le treillis (9) soudé est lié à une partie des pliures (6) (7) par des moyens choisis parmi une soudure, un accrochage par découpe de l'âme, un lien métallique indépendant du type clip, fil.
- Plancher selon l'une des revendications 1 à 5 caractérisé en ce qu'au moins une partie des pliures (6) (7) qui forme au moins un plan parallèle à la dalle assure, par épaulement, le positionnement en hauteur du coffrage de coulage du béton de la dalle.
- Plancher selon l'une des revendications 1 à 6 caractérisé en ce que l'espace d'air (13) est ménagé, lors de la réalisation du plancher (1), par un noyau (15) supportant la masse de béton encore liquide.
- Plancher selon l'une des revendications 1 à 7 caractérisé en ce que le noyau (15) est amovible et déplaçable longitudinalement au profilé.
- Plancher selon l'une des revendications 1 à 8 caractérisé en ce que le noyau (15) est un coussin contenant un fluide choisi parmi l'air, l'eau.
- Plancher selon l'une des revendications 1 à 9 caractérisé en ce que le coussin est alvéolaire.
- Plancher selon l'une des revendications 1 à 6 caractérisé en ce que l'espace d'air (13) est ménagé, lors de la réalisation du plancher (12), par un panneau pouvant être préformé, supportant la masse de béton encore liquide.
- Plancher selon l'une des revendications 1 à 6 ou 11 caractérisé en ce que le panneau (20) formant une voûte est arc-boutée en appui, soit sur les âmes des profilés, soit sur le moyen d'isolation rigide.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0016449 | 2000-12-15 | ||
FR0016449A FR2818301B1 (fr) | 2000-12-15 | 2000-12-15 | Plancher utilise pour la construction de batiment compose de profiles metalliques en forme de u |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1215346A1 true EP1215346A1 (fr) | 2002-06-19 |
EP1215346B1 EP1215346B1 (fr) | 2005-12-07 |
Family
ID=8857761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01403073A Expired - Lifetime EP1215346B1 (fr) | 2000-12-15 | 2001-11-30 | Plancher utilise pour la construction de batiment compose de profiles metalliques en forme de u |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1215346B1 (fr) |
AT (1) | ATE312248T1 (fr) |
DE (1) | DE60115587T2 (fr) |
ES (1) | ES2252175T3 (fr) |
FR (1) | FR2818301B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1528175A1 (fr) * | 2003-10-30 | 2005-05-04 | Arcelor Construction France | Panneau autoportant résistant au feu pour le bâtiment |
EP1775397A1 (fr) | 2005-10-14 | 2007-04-18 | Arcelor Construction France | Coffrage isolant pour parois en béton |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3238681A (en) * | 1963-03-07 | 1966-03-08 | Ircom S P A | Structural members of sheet material for walls, roofings, floors and the like |
US3382637A (en) * | 1965-04-15 | 1968-05-14 | Longinotti Enrico | Ribbed barrier with lapped, edgejoined facing panels |
FR1555470A (fr) * | 1965-10-04 | 1969-01-31 | ||
FR2121480A1 (fr) * | 1971-01-14 | 1972-08-25 | Tuilerie Briquet Lyonnai | |
FR2472063A2 (fr) * | 1979-12-20 | 1981-06-26 | Saret | Plancher-plafond |
US4599840A (en) * | 1983-01-03 | 1986-07-15 | Dobel AB and Stalbyggnadsinstitutet | Cassette for casting of framework |
WO2000047381A1 (fr) * | 1999-02-11 | 2000-08-17 | Stephen Bide | Formes et procedes de moulage d'elements, en particulier des elements en beton, au moyen de ces formes |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2180317A (en) * | 1939-05-27 | 1939-11-14 | American Cyanamid & Chem Corp | Metal decking |
FR1249543A (fr) * | 1959-11-20 | 1960-12-30 | Fond S Batiments & Travaux Pub | Armature-coffrage pour planchers en béton armé |
BE836061A (fr) | 1975-11-28 | 1976-03-16 | Le Clercq Pierre | Coffrage metallique pour des constructions en beton |
-
2000
- 2000-12-15 FR FR0016449A patent/FR2818301B1/fr not_active Expired - Fee Related
-
2001
- 2001-11-30 ES ES01403073T patent/ES2252175T3/es not_active Expired - Lifetime
- 2001-11-30 AT AT01403073T patent/ATE312248T1/de not_active IP Right Cessation
- 2001-11-30 DE DE60115587T patent/DE60115587T2/de not_active Expired - Lifetime
- 2001-11-30 EP EP01403073A patent/EP1215346B1/fr not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3238681A (en) * | 1963-03-07 | 1966-03-08 | Ircom S P A | Structural members of sheet material for walls, roofings, floors and the like |
US3382637A (en) * | 1965-04-15 | 1968-05-14 | Longinotti Enrico | Ribbed barrier with lapped, edgejoined facing panels |
FR1555470A (fr) * | 1965-10-04 | 1969-01-31 | ||
FR2121480A1 (fr) * | 1971-01-14 | 1972-08-25 | Tuilerie Briquet Lyonnai | |
FR2472063A2 (fr) * | 1979-12-20 | 1981-06-26 | Saret | Plancher-plafond |
US4599840A (en) * | 1983-01-03 | 1986-07-15 | Dobel AB and Stalbyggnadsinstitutet | Cassette for casting of framework |
WO2000047381A1 (fr) * | 1999-02-11 | 2000-08-17 | Stephen Bide | Formes et procedes de moulage d'elements, en particulier des elements en beton, au moyen de ces formes |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1528175A1 (fr) * | 2003-10-30 | 2005-05-04 | Arcelor Construction France | Panneau autoportant résistant au feu pour le bâtiment |
FR2861770A1 (fr) * | 2003-10-30 | 2005-05-06 | Arcelor Construction France | Panneau autoportant resistant au feu pour le batiment |
EP1775397A1 (fr) | 2005-10-14 | 2007-04-18 | Arcelor Construction France | Coffrage isolant pour parois en béton |
WO2007045744A1 (fr) * | 2005-10-14 | 2007-04-26 | Rockwool International A/S | Coffrage isolant pour parois en beton |
EA012427B1 (ru) * | 2005-10-14 | 2009-10-30 | Роквул Интернэшнл А/С | Изолирующая опалубка для возведения перегородок из бетона |
Also Published As
Publication number | Publication date |
---|---|
FR2818301B1 (fr) | 2003-09-26 |
DE60115587T2 (de) | 2006-07-20 |
ES2252175T3 (es) | 2006-05-16 |
EP1215346B1 (fr) | 2005-12-07 |
ATE312248T1 (de) | 2005-12-15 |
FR2818301A1 (fr) | 2002-06-21 |
DE60115587D1 (de) | 2006-01-12 |
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