EP1512803A1 - Entrevous emboítable moulé - Google Patents
Entrevous emboítable moulé Download PDFInfo
- Publication number
- EP1512803A1 EP1512803A1 EP04103549A EP04103549A EP1512803A1 EP 1512803 A1 EP1512803 A1 EP 1512803A1 EP 04103549 A EP04103549 A EP 04103549A EP 04103549 A EP04103549 A EP 04103549A EP 1512803 A1 EP1512803 A1 EP 1512803A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- interjoists
- compartments
- allow
- ribs
- formwork
- 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
Links
- 238000009415 formwork Methods 0.000 title claims description 13
- 239000000835 fiber Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 3
- 241000208202 Linaceae Species 0.000 claims description 3
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 3
- 235000009120 camo Nutrition 0.000 claims description 3
- 235000005607 chanvre indien Nutrition 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000011487 hemp Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 230000006978 adaptation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 241001080024 Telles Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
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
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/26—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with filling members between the beams
- E04B5/261—Monolithic filling members
-
- 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
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/26—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated with filling members between the beams
- E04B5/268—End filling members to be placed between the floor and the wall, e.g. thermal breaks
-
- 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
- E04B5/17—Floor structures partly formed in situ
- E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
- E04B5/28—Cross-ribbed floors
Definitions
- the invention relates to the field of the realization of concrete floors armed.
- the framework of these floors is often composed of beams a wire mesh, and formwork elements called interjoists, the whole being covered with a concrete site called compression table.
- the invention is more particularly a thin-walled interjoists adaptable whatever the conditions of construction, and realizing the formwork of the floor in its entirety.
- thin-walled interjoists commonly used comprise a plurality of compartments, making it possible to reduce the volume of poured concrete, and therefore the weight of a floor made by this method.
- GB 2 077 792 discloses a thin-walled interjoists, having a plurality of compartments. It is directly deposited on joists with wire mesh.
- such a device does not include any arrangement provided for facilitate, before pouring concrete, the fixing of ancillary elements such as false ceilings especially. Therefore, it is necessary to drill the slab poured, which on the one hand weakens said slab and, on the other hand, requires relatively long recovery operations.
- Document FR 2,786,514 describes a thin-walled interjoists comprising a plurality of compartments, and provided with marked areas for guiding the bucking, so as to allow the dimensional adaptation of the interjoists to its place of positioning between the beams.
- the invention therefore relates to a thin-walled molded interjoists intended for be placed between two wire mesh girders and rest on their base fastener for forming the formwork of a compression table of a floor.
- the contact surface between the beams and the interjoists are discontinuous along the whole length of the interjoists, ie levels of its two side edges.
- the implementation of areas of least resistance allows for greater ease of adaptation dimensionality of interjoists, since then, it is enough for a worker to position the ad hoc rib for example on a straight edge, then to exercise a simple pressure on the compartment or compartments then being cantilevered, to obtain a substantially rectilinear zone, corresponding to the desired dimension of the interjoists.
- the length of the interjoists does not correspond usually not to the length of the gap covered by the beams, at least one end interjoists must be cut in order to adapt its length to function of the floor to form, which thus makes it possible to carry out in an easy way the interjoists of the invention.
- the vertical recesses may have zones thicker substantially parallel to the upper surface of the fastening base beams. These thicker areas can be in the form of pre-drilled bosses to facilitate the placement of fasteners, such as clips for holding pipes or sleeves or threaded rods for fastening false ceilings.
- Such thicker areas may also be disposed of to others places on the interjoists, and particularly at the level of the substantially plane faces of each compartment, but also at the level of the inclined faces between two compartments.
- the compartments are open on the face bottom of the interjoists to allow to save a lot of space when of their storage and their routing on a building site in particular. Indeed, he It is then possible to stack them one above the other so as to reduce their size.
- the interjoists can also have at each end of his plus large dimension of complementary shape arrangements to allow a continuous splicing between two consecutive interjoists. Indeed, to allow the transport and handling of interjoin on construction sites, it is preferable to use intervous of reduced length. By the superposition of the extremities two consecutive interjoists, liquid concrete is then prevented from escaping level of the connection between two successive interjoists.
- the interjoists To resist the weight of the liquid concrete that it must form, the interjoists must have some resistance. However, he must also answer the lightweight constraint to allow easy handling on site and especially to avoid weighing down the floor structure. Thus, it has been established that good compromise was obtained with walls whose thickness is at most equal to ten millimeters.
- the space between two beams can vary in certain cases of figures, it it is then necessary to cut longitudinally the interjoists, which generates a lateral opening of the compartments constituting it. It is then possible to provide this open lateral face of a lid, acting as an interface with the base of fixing the beam and extending in the same direction.
- the lid has a cross section substantially Z-shaped. This configuration makes it possible to perform the function of formwork, but also to ensure the guidance of the interjoists between the two beams.
- the lid can be inserted by clipping on the cut face of the interjoists, and according to the size of the interjoists used, it is possible to adapt the height of the lid by cutting a portion constituting it or by sliding of one piece relative to another. Indeed, the operculum has a breakable part to adapt to different configurations possible.
- Each end interjoist is provided with a piece of end to achieve the total formwork to the walls. So we use two ends per bay that can slide under a portion of the interjoists to perfectly fit the length of each span.
- a relatively large portion of the tip, at the level of the contact with the wall, is also able to be cut in order to fit into the where the wall is not perpendicular to the direction of the spans.
- the material used for such interjoists can be a composite material to base of fibers or natural particles and glue. Fibers or particles Naturals can then be chosen from wood, flax and hemp in particular.
- lids and abouts reported can also be made in the same material as the interjois itself.
- the invention relates to a wall-molded interjoists thin slats able to be arranged between two trusses with wire mesh and to be laid down on the base of fixing said beams.
- the interjoists (1) comprise a plurality of compartments (5) separated by ribs (6).
- each of these ribs (6) is provided with a zone of less resistor (18), typically constituted by a thinning, and suitable for to allow the splitting of the interjoists at the level of said rib, therefore in one or several lots of compartments (5).
- the interjoists (1) is arranged between two trusses (2) with wire mesh (3). It rests on the upper face (8) of the fixing base (4) of said beams (2).
- the contact surface between the interjoists (1) and the fixing base (4) is discontinuous on at least one of the support sides of interjoists (1) on the beam (2).
- a vertical recess (7) at at least one end of each of the ribs (6) extends below the face upper (8) of the fastening base (4) of each beam (2).
- This configuration allows then to carry out guidance during the implementation of interjoists (1) between two beams (2). This guidance is carried out at the level of side faces (9), the two beams (2) facing each other. So, setting up interjoists (1) between two beams (2) can not be hindered by the trellis metal (3) emerging from the fixing base (4) of the beams (2).
- the lower face is hollowed out so as to create compartments (5) open on the underside or concave. In this way, it is possible stack interjoists (1) one above the other and thus reduce their footprint.
- each compartment (5) may be advantageous, as represented in FIG. 3, to provide the upper face of each compartment (5) a reinforcing rib (15).
- the interjoists (1) has at each end of its largest dimension of arrangements (11, 12) of complementary shape, capable of cooperate with each other, to allow continuous splicing between two interjoin (1).
- This configuration makes it possible to form a total of one floor and thus prevents liquid concrete, during casting, from escaping through interstices between two interjoists (1). It also prevents an operator from realizing clogging at the different connections.
- interjoists (1) whose wall thickness is at most equal to ten millimeters.
- the interjoists (1) present, at its vertical recesses (7), zones (10) reinforced, able to support a false ceiling or pipes.
- Reinforced zones (14) can also be arranged on the walls inclined sides (13) of the compartments (5). These reinforced areas (10, 14), therefore thicker, may have the shape of pre-drilled bosses, allowing to introduce fastening elements such as clips, to maintain in position a cable or sheath, or threaded rods to allow the installation of a false ceiling in particular.
- the section of the covers (16) has a shape of "Z" as shown in Figure 8. These lids can further be monoblocks. In this case the operculum (16) is cut in the direction of its length to adapt to the configurations specific to each site.
- the cover (16) can also be composed two pieces (19, 20) adapted to allow the realization of an adjustment according to the height of the interjoists (1) used.
- the interjoists (1) may be provided with a (17) to complete the formwork to the wall. Two abouts (17) are therefore reported on each span and can slide under a portion of the interjoists (1) end to fit perfectly the length of the spans.
- a relatively large portion of the tip (17) at the level of the zone contact with the wall is also able to be cut to allow its adaptation in the case where the wall is not perpendicular to the direction of the spans, and corollary, avoid any risk of introduction of concrete under the interjoists.
- the interjoists (1) is made of a composite material based on natural fibers and glue.
- the selected natural fibers make part of the group of wood, flax and hemp.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Inorganic Insulating Materials (AREA)
- Dental Preparations (AREA)
- Glass Compositions (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Cartons (AREA)
- Gasket Seals (AREA)
Abstract
Description
- la longueur de chaque nervure est inférieure à la longueur des compartiments, de telle sorte à ne jamais prendre appui sur la base de fixation des poutrelles ;
- l'entrevous comporte, au niveau d'au moins une extrémité de chacune des nervures, un décrochement vertical se prolongeant en dessous de la face supérieure de la base de fixation de chaque poutrelle, et qui est apte à venir en contact avec l'une des faces latérales de ladite base de fixation ;
- chacune des nervures est munie d'au moins une zone de moindre résistance, de telle sorte à permettre la sécabilité de l'entrevous entre deux compartiments adjacents, en l'absence de tout outil.
- la figure 1 est une vue en perspective générale de l'entrevous disposé entre deux poutrelles, conformément à l'invention ;
- La figure 2 est une vue latérale d'un entrevous conforme à l'invention ;
- la figure 3 est une vue du dessus d'un entrevous conforme à l'invention ;
- la figure 4 est une vue en section transversale d'un entrevous au niveau de sa nervure, conformément à l' invention ;
- la figure 5 est une vue en perspective de l'entrevous muni d'un opercule, conformément à l'invention, dont la figure 6 est une vue du dessus ;
- les figures 7 et 8 sont des vues en section transversale de deux types d'opercule, conformément à l'invention ;
- la figure 9 est une vue en section longitudinale de l'entrevous muni d'un about.
- il permet de réaliser un coffrage total d'un plancher à la fois rapide à mettre en oeuvre, compte tenu notamment de la sécabilité des compartiments en l'absence de tout outil, et ne présentant aucune face ouverte susceptible de permettre au béton liquide de s'échapper ;
- il permet de fournir une solution très flexible pour la mise en place d'éléments de fixation ;
- il permet de s'adapter à toutes les configurations présentes sur les chantiers.
Claims (12)
- Entrevous (1) moulé à parois minces, destiné à être disposé entre deux poutrelles (2) à treillis métallique (3) et à reposer sur la base de fixation (4) desdites poutrelles (2) afin de réaliser le coffrage d'une table de compression d'un plancher, ledit entrevous (1) comportant une pluralité de compartiments (5) séparés deux à deux par une nervure (6), la longueur de chaque nervure (6) étant inférieure à la longueur des compartiments (5), de telle sorte à ne jamais prendre appui sur la base de fixation (4) des poutrelles (2), caractérisé en ce que chacune des nervures (6) est munie d'au moins une zone de moindre résistance, de telle sorte à permettre la sécabilité de l'entrevous entre deux compartiments adjacents (5) en l'absence de tout outil.
- Entrevous selon la revendication 1, caractérisé en ce qu'il est muni d'un about (17), destiné à permettre la réalisation totale du coffrage de la table de compression du plancher.
- Entrevous selon la revendication 2, caractérisé en ce que l'about (17) est apte à coulisser sous une portion de l'entrevous (1).
- Entrevous selon la revendication 2, caractérisé en ce que l'about (17) est adaptable à différentes dimensions d'entrevous (1).
- Entrevous selon l'une des revendications 1 à 4, caractérisé en ce qu'il comporte au niveau d'au moins une extrémité de chacune des nervures (6), un décrochement vertical (7) se prolongeant en dessous de la face supérieure (8) de la base de fixation (4) de chaque poutrelle (2), apte à venir en contact avec l'une des faces latérales (9) de la dite base de fixation (4).
- Entrevous selon la revendication 5, caractérisé en ce que les décrochements verticaux (7) présentent des zones renforcées (10) sensiblement parallèles à la face supérieure (8) de la base de fixation (4) des poutrelles (2), et destinées à permettre la fixation de faux-plafond ou de canalisations.
- Entrevous selon l'une des revendications 1 à 6, caractérisé en ce que les compartiments (5) sont ouverts sur une face.
- Entrevous selon l'une des revendications 1 à 7, caractérisé en ce qu'il comporte à chaque extrémité de sa plus grande dimension des agencements (11, 12) de formes complémentaires pour permettre un aboutage continu entre deux entrevous (1) consécutifs.
- Entrevous selon l'une des revendications 1 à 8, caractérisé en ce que sa face supérieure, destinée à être en contact avec le béton, comporte des nervures de renforcement (15).
- Entrevous selon l'une des revendications 1 à 9, caractérisé en ce qu'il est muni d'un opercule (16) rapporté jouant le rôle d'interface avec la base de fixation (4) de la poutrelle (2), et s'étendant dans la même direction que ladite poutrelle (2).
- Entrevous selon l'une des revendications 1 à 10, caractérisé en ce qu'il est réalisé en un matériau composite à base de fibres ou particules naturelles et d'une colle.
- Entrevous selon la revendication 11, caractérisé en ce que les fibres ou particules naturelles sont choisies dans le groupe comprenant le bois, le lin et le chanvre.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0309455A FR2858343B1 (fr) | 2003-07-31 | 2003-07-31 | Entrevous emboitable moule |
FR0309455 | 2003-07-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1512803A1 true EP1512803A1 (fr) | 2005-03-09 |
EP1512803B1 EP1512803B1 (fr) | 2006-12-06 |
Family
ID=34043706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04103549A Expired - Lifetime EP1512803B1 (fr) | 2003-07-31 | 2004-07-23 | Entrevous emboîtable moulé |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1512803B1 (fr) |
AT (1) | ATE347639T1 (fr) |
DE (1) | DE602004003531T2 (fr) |
ES (1) | ES2276227T3 (fr) |
FR (1) | FR2858343B1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2919317A1 (fr) * | 2007-07-26 | 2009-01-30 | Imerys Tc Soc Par Actions Simp | Entrevous leger a paroi mince. |
FR2944816A1 (fr) * | 2009-04-28 | 2010-10-29 | Jean Louis Gaziello | Entrevous pour entraxe variable et structure de coffrage |
FR2948706A1 (fr) * | 2009-07-31 | 2011-02-04 | Kp1 | Entrevous modulable |
CN103452219A (zh) * | 2013-09-16 | 2013-12-18 | 南京工业大学 | 一种蜂窝钢暗梁组合楼盖 |
CN103572875A (zh) * | 2013-11-05 | 2014-02-12 | 南京工业大学 | 一种钢箱暗梁组合楼盖 |
CN103993691A (zh) * | 2014-04-27 | 2014-08-20 | 绍兴精工绿筑集成建筑系统工业有限公司 | 一种集成式楼面模块及其拼装方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITPD20040087A1 (it) * | 2004-04-01 | 2004-07-01 | Assounisol Srl | Elemento modulare prefabbricato per la realizzazione degli alleggerimenti in solai a travetti tralicciati o lastre di tipo predalle |
ATE541099T1 (de) * | 2005-06-23 | 2012-01-15 | Plasticform S R L | Füll- und dämmelement und bausystem mit solch einem element |
FR2916215B1 (fr) * | 2007-05-14 | 2009-07-10 | Kp1 Soc Par Actions Simplifiee | Entrevous en matiere plastique injectee |
FR2916212B1 (fr) * | 2007-05-15 | 2013-12-13 | Rector Lesage | Dispositif d'isolation pour plancher a poutrelles et plancher obtenu |
ITPD20070347A1 (it) * | 2007-10-22 | 2009-04-23 | Geoplast Spa | Casseratura modulare riutilizzabile per la realizzazione di solai nervati in c. a. |
FR2956421B1 (fr) | 2010-02-12 | 2012-08-10 | Rector Lesage | Entrevous pour plancher a poutrelles |
FR2961226A1 (fr) * | 2010-06-15 | 2011-12-16 | Applic Composants Guiraud Freres Soc Et | Perfectionnement aux hourdis moules |
FR3099503B1 (fr) | 2019-08-02 | 2023-01-06 | Lesage Dev | Procédé de mise en œuvre d’entrevous de coffrage pour plancher à poutrelles et entrevous de coffrage correspondant |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2250295A1 (de) * | 1971-10-19 | 1973-04-26 | Emballages De Quevilly Petit Q | Verlorene schalung in gewoelbter form |
FR2786514A1 (fr) * | 1998-11-26 | 2000-06-02 | Saret France | Entrevous a paroi mince |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1129892A (en) * | 1965-11-08 | 1968-10-09 | Atlas Stone Company Ltd | Improvements relating to the construction of floors or roofs |
GB2077792B (en) | 1980-03-22 | 1983-06-08 | Tinsley Building Prod Ltd | Casting reinforced concrete floors |
-
2003
- 2003-07-31 FR FR0309455A patent/FR2858343B1/fr not_active Expired - Lifetime
-
2004
- 2004-07-23 DE DE602004003531T patent/DE602004003531T2/de not_active Expired - Fee Related
- 2004-07-23 EP EP04103549A patent/EP1512803B1/fr not_active Expired - Lifetime
- 2004-07-23 AT AT04103549T patent/ATE347639T1/de not_active IP Right Cessation
- 2004-07-23 ES ES04103549T patent/ES2276227T3/es not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2250295A1 (de) * | 1971-10-19 | 1973-04-26 | Emballages De Quevilly Petit Q | Verlorene schalung in gewoelbter form |
FR2786514A1 (fr) * | 1998-11-26 | 2000-06-02 | Saret France | Entrevous a paroi mince |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2919317A1 (fr) * | 2007-07-26 | 2009-01-30 | Imerys Tc Soc Par Actions Simp | Entrevous leger a paroi mince. |
FR2944816A1 (fr) * | 2009-04-28 | 2010-10-29 | Jean Louis Gaziello | Entrevous pour entraxe variable et structure de coffrage |
FR2948706A1 (fr) * | 2009-07-31 | 2011-02-04 | Kp1 | Entrevous modulable |
EP2309071A1 (fr) * | 2009-07-31 | 2011-04-13 | Kp1 | Entrevous modulable |
CN103452219A (zh) * | 2013-09-16 | 2013-12-18 | 南京工业大学 | 一种蜂窝钢暗梁组合楼盖 |
CN103572875A (zh) * | 2013-11-05 | 2014-02-12 | 南京工业大学 | 一种钢箱暗梁组合楼盖 |
CN103993691A (zh) * | 2014-04-27 | 2014-08-20 | 绍兴精工绿筑集成建筑系统工业有限公司 | 一种集成式楼面模块及其拼装方法 |
Also Published As
Publication number | Publication date |
---|---|
DE602004003531T2 (de) | 2007-04-05 |
ES2276227T3 (es) | 2007-06-16 |
FR2858343B1 (fr) | 2007-04-20 |
DE602004003531D1 (de) | 2007-01-18 |
EP1512803B1 (fr) | 2006-12-06 |
ATE347639T1 (de) | 2006-12-15 |
FR2858343A1 (fr) | 2005-02-04 |
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