FR2599409A1 - Insulating slab. - Google Patents

Insulating slab. Download PDF

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Publication number
FR2599409A1
FR2599409A1 FR8607527A FR8607527A FR2599409A1 FR 2599409 A1 FR2599409 A1 FR 2599409A1 FR 8607527 A FR8607527 A FR 8607527A FR 8607527 A FR8607527 A FR 8607527A FR 2599409 A1 FR2599409 A1 FR 2599409A1
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France
Prior art keywords
sheet
holes
chappe
concrete
flat
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Application number
FR8607527A
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French (fr)
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Individual
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Individual
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Publication date
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Priority to FR8607527A priority Critical patent/FR2599409A1/en
Publication of FR2599409A1 publication Critical patent/FR2599409A1/en
Withdrawn legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38Floor 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
    • E04B5/40Floor 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

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

Insulating slab consisting of a concrete covering interacting with flat beams forming permanent formwork. The flat beams consist of a bent metal sheet pasted onto blocks of foam. The flanks of the metal sheet rise laterally so as to be trapped in the covering. The flanks are perforated with holes leaving between them a gap whose narrowest part is located at the level of the neutral axis. 1 : covering, 2 : foam, 3 : metal sheet, 4 : part of the metal sheet trapped in the covering, 5 : holes, 6 : gap between the holes.

Description

DALLE ISOLANTE
Les bâtiments d'habitation ou de bureau sont aujourd'hui soumis a des normes d'isolement thermique sévéres. De plus, particulièrement pour les maisons individueZZes, les entreprises de construction demandent à utiliser des éléments dits manuportables, c'est-à-dire manutentionnables à la main. Enfin, iZ existe des normes concernant la surcharge que doit pouvoir supporter chaque métre carré de pZancher.
INSULATING SLAB
Residential and office buildings are today subject to strict thermal insulation standards. In addition, particularly for individual houses, construction companies require the use of elements that are said to be portable, that is to say, which can be handled by hand. Finally, iZ exists standards concerning the overload that must be able to support each square meter of pZancher.

La présente innovation concerne une daZZe isoZante, formée d'éléments manuportables, en forme de poutres pZates sur
ZesqueZZes est couZée la daZZe. La résistance à la surcharge apparaît en deux étapes.
The present innovation relates to an isoZante daZZe, formed of movable elements, in the form of pZates beams on
ZesqueZZes is laid down the daZZe. Overload resistance occurs in two stages.

. Au moment où les poutres plates sont juxtaposées, eZZes
forment un plancher qui peut supporter le poids d'un homme
et Ze poids de la chappe de béton qui doit être coulée,
sur toute la surface qui constituera la daZZe isoZante. Les
poutres plates juxtaposées forment ainsi un coffrage perdu.
. When the flat beams are juxtaposed, eZZes
form a floor that can support the weight of a man
and Ze weight of the concrete screed to be poured,
over the entire surface which will constitute the isoZante daZZe. The
juxtaposed flat beams thus form a lost formwork.

. Une fois que la chappe de béton a durci, eZZe coopére avec
les poutres pZates pour former un ensemble capable de
supporter les surcharges normalisées.
. Once the concrete screed has hardened, eZZe cooperates with
pZates beams to form an assembly capable of
withstand normalized overloads.

Les poutres plates sont formées d'une tôZe pliée, teZZe qu'indiquée en 3 sur la figure 1. La forme en double U Zui donne une rigidité qui Zui permet de supporter Ze poids de la dalle en béton, qui sera coulée en 1 sur la figure 1.The flat beams are formed from a folded sheet, teZZe as indicated in 3 in FIG. 1. The shape in double U Zui gives a rigidity which Zui allows to support Ze weight of the concrete slab, which will be poured in 1 on Figure 1.

L'intérieur du profiZ de la tôZe est rempli d'un bloc de mousse telle que le polystyréne, qui assure deux fonctions : . d'une part, eZZe donne à l'ensemble la capacité d'isolation
requise par les normes, . d'autre part, étant collé sur la tôle 3, elle évite le
flambement de celle-ci sous les efforts dûs au poids de la
chappe, puis, ultérieurement, de la surcharge normaZisée.
The inside of the sheet profiZ is filled with a block of foam such as polystyrene, which performs two functions:. on the one hand, eZZe gives the assembly the insulation capacity
required by standards,. on the other hand, being glued to the sheet 3, it avoids the
buckling of the latter under the forces due to the weight of the
chappe, then, later, of the normalized overload.

Une fois la chappe coulée, les efforts de compression sont encaissés par la chappe, et les efforts de traction par la tôZe. Pour que ces deux éléments puissent coopérer, ils doivent être Ziés par un élément qui transmet les efforts tranchants dus au poids de la surcharge. Les flancs verticaux de la tôle, dont le bord supérieur est noyé,dans la chappe, effectuent

Figure img00010001

cette transmission. Once the chappe has been poured, the compressive forces are collected by the chappe, and the tensile forces by the sheet. In order for these two elements to cooperate, they must be Zied by an element which transmits the cutting forces due to the weight of the overload. The vertical sides of the sheet, whose upper edge is embedded, in the chappe, carry out
Figure img00010001

this transmission.

Ce flanc de tôZe présente Z'inconvénient de transmettre la chaleur entre la chappe de béton et la surface inférieure des poutres pZates. Sauf précaution spéciale, cette transmission ne permet pas de tenir les normes d'isolation thermique. This sheet metal side has the drawback of transmitting heat between the concrete screed and the lower surface of the pZate beams. Unless special precautions are taken, this transmission does not meet thermal insulation standards.

Pour atteindre ces normes d'isolation, Ze flanc est percé de trous indiqués en 5 sur la figure 1. L'intervaZZe 6 entre ces trous doit être trés Zimité, la Zargeur des intervalles étant de l'ordre de 5 % de la largeur des trous.To reach these insulation standards, the flank is pierced with holes indicated at 5 in FIG. 1. The intervaZZe 6 between these holes must be very limited, the width of the intervals being of the order of 5% of the width of the holes.

Des intervalles aussi réduits mettraient en cause la bonne transmission des efforts tranchants entre la chappe de béton et la tôZe inférieure, si une précaution particulière n'était pas prise : la partie la pZus réduite de l'intervalle est placée à l'endroit de la fibre neutre de Z'ensembie formé par la chappe de béton et la tôZe. Lorsque Z'on s'écarte de la fibre neutre,
Z'intervaZZe s'élargit, de façon à ce que la quantité de métaZ présente soit toujours suffisante pour encaisser les efforts tranchants.
Such reduced intervals would jeopardize the good transmission of the shear forces between the concrete screed and the lower sheet, if no particular precaution was taken: the smallest part of the interval is placed at the location of the neutral Z'ensembie fiber formed by the concrete screed and the sheet. When we move away from the neutral fiber,
Z'intervaZZe widens, so that the quantity of metaZ present is always sufficient to absorb the shearing forces.

Un dimentionnement indicatif consiste à donner aux poutres plates une Zargeur de 60 cm dans la partie haute, et 30 cm dans la partie inférieure, une épaisseur de 10 cm sur les aiZes Latérites et de 20 cm au centre. La tôle peut avoir 0,7 mm d'épaisseur et être pliée et découpée en continu. La chappe de béton peut présenter une épaisseur de 5 cm. Dans ces conditions, la fibre neutre de l'ensemble se trouve à 0,6 cm saus Ze béton.An indicative dimensioning consists in giving the flat beams a width of 60 cm in the upper part, and 30 cm in the lower part, a thickness of 10 cm on the laterites and 20 cm in the center. The sheet can be 0.7 mm thick and can be bent and cut continuously. The concrete screed may have a thickness of 5 cm. Under these conditions, the neutral fiber of the assembly is 0.6 cm apart from concrete.

Les trous 5 sont en forme de demi ellipse, avec une partie dans la chappe de béton, de façon à ce que Ze béton qui s engage dans la partie supérieure 4 de ces trous fournisse un bon ancrage de la tôZe dans Ze béton.The holes 5 are in the form of a half ellipse, with a part in the concrete screed, so that Ze concrete which engages in the upper part 4 of these holes provides good anchoring of the sheet in Ze concrete.

Le prix de ces poutr-es doit rester très faible. Dans ce but iZ est opportun de constituer le bloc de mousse indiqué en 2 sur la figure 1 par découpage d'un grand bZoc, qui, dans l'état actueZ de l'art, a généralement les dimensions 1,2 m X 0,5 m X 5 métrez. Les formes d'imbrication indiquées sur la figure 2 permettent d'obtenir le bloc de mousse par découpage d'un grand bloc sans chute. The price of these beams must remain very low. For this purpose iZ is appropriate to constitute the foam block indicated at 2 in FIG. 1 by cutting out a large bZoc, which, in the state of the art, generally has the dimensions 1.2 m X 0, 5 m X 5 meter. The nesting forms shown in Figure 2 allow to obtain the foam block by cutting a large block without falling.

Claims (5)

REVENDICATIONS 1) Dalle isoZante caractérisée en ce qu'elle est constituée1) isoZante slab characterized in that it is made up d'une juxtaposition de poutres plates coopérant avec une of a juxtaposition of flat beams cooperating with a chappe de béton coulée après mise en place des poutres concrete screed poured after placing the beams plates qui constituent un coffrage perdu pour la coulée plates which constitute a lost formwork for casting de la chappe. Les poutres plates sont constituées d'une of the chappe. Flat beams consist of a tôle pliée de façon à présenter une rigidité suffisante sheet bent so as to have sufficient rigidity pour supporter le poids de la chappe lorsqu'elle est to support the weight of the chappe when it is coulée. Les côtés de la tôle remontent et sont noyés dans casting. The sides of the sheet go up and are embedded in le béton, pour transmettre les efforts tranchants entre concrete, to transmit sharp forces between la chappe qui encaisse les efforts de compression et la the chappe which collects the compression forces and the partie inférieure de la tôle qui encaisse les efforts de lower part of the sheet which collects the forces of traction. traction. 2) DaZZe isoZante selon revendication 1, caractérisée en ce2) DaZZe isoZante according to claim 1, characterized in that que les côtés remontant de la tôle sont perforés de trous that the rising sides of the sheet are perforated with holes laissent entre eux un intervalle trés faible, l'intervalle leave a very small interval between them, the interval étant Ze plus étroit au niveau de la fibre neutre de being Ze narrower at the neutral fiber of l'ensemble chappe plus tôle, et s'élargissent lorsque the whole chappe plus sheet metal, and widen when l'on s'éloigne de la fibre neutre. we move away from neutral fiber. 3) Dalle selon revendications 1 et 2, caractérisée en ce que3) Slab according to claims 1 and 2, characterized in that l'espace compris entre la chappe et la tôle est rempli  the space between the cap and the sheet is filled d'une mousse isolante collée à la töle. an insulating foam glued to the sheet. 4) Dalle selon revendications 1 à 3, caractérisée en ce que4) Slab according to claims 1 to 3, characterized in that la forme de la töle est telle que le bloc de mousse puisse the shape of the sheet is such that the foam block can être découpé sans chute dans un grand bloc parallélépi pèdique.  be cut without falling into a large, parallelepeped block. 5) Poutre plate selon revendication I, caractérisée en ce qu'elle est5) flat beam according to claim I, characterized in that it is formee d'une tôle pliée en double U, l'intérieur étant rempli d'un formed of a sheet folded in double U, the interior being filled with a bloc de mousse rigide collé contre la tôle, les flancs verticaux rigid foam block glued against the sheet, the vertical sides étant percés de trous pour réduire la conductibilité thermique, ces being drilled with holes to reduce thermal conductivity, these trous ayant une forme telle que la partie la plus étroite de la tôle holes having a shape such as the narrowest part of the sheet subsistant entre les trous se trouve au niveau de la fibre neutre remaining between the holes is at the level of the neutral fiber de l'ensemble poutre plate chappe de béton,  of the concrete beam flat beam assembly,
FR8607527A 1986-05-27 1986-05-27 Insulating slab. Withdrawn FR2599409A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8607527A FR2599409A1 (en) 1986-05-27 1986-05-27 Insulating slab.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8607527A FR2599409A1 (en) 1986-05-27 1986-05-27 Insulating slab.

Publications (1)

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FR2599409A1 true FR2599409A1 (en) 1987-12-04

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FR8607527A Withdrawn FR2599409A1 (en) 1986-05-27 1986-05-27 Insulating slab.

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FR (1) FR2599409A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1528175A1 (en) * 2003-10-30 2005-05-04 Arcelor Construction France Self supporting fire resistant building panel
EP2366524A1 (en) 2010-03-16 2011-09-21 Joris Ide NV Building panel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE560977A (en) *
US3304680A (en) * 1963-12-13 1967-02-21 Anel Engineering Ind Inc Interlocking structural system for buildings
FR2098568A5 (en) * 1970-07-10 1972-03-10 Catesson Claude
AT303334B (en) * 1970-06-11 1972-11-27 Oesterr Alpine Montan Hat profile-like profile

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE560977A (en) *
US3304680A (en) * 1963-12-13 1967-02-21 Anel Engineering Ind Inc Interlocking structural system for buildings
AT303334B (en) * 1970-06-11 1972-11-27 Oesterr Alpine Montan Hat profile-like profile
FR2098568A5 (en) * 1970-07-10 1972-03-10 Catesson Claude

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1528175A1 (en) * 2003-10-30 2005-05-04 Arcelor Construction France Self supporting fire resistant building panel
FR2861770A1 (en) * 2003-10-30 2005-05-06 Arcelor Construction France FIRE-RESISTANT SELF-SUPPORTING PANEL FOR BUILDING
EP2366524A1 (en) 2010-03-16 2011-09-21 Joris Ide NV Building panel
BE1019249A3 (en) * 2010-03-16 2012-05-08 Joris Ide Nv BUILDING PANEL.

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