EP0494061A1 - Procédé et éléments pour l'assemblage d'un coffrage perdu - Google Patents

Procédé et éléments pour l'assemblage d'un coffrage perdu Download PDF

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Publication number
EP0494061A1
EP0494061A1 EP91870001A EP91870001A EP0494061A1 EP 0494061 A1 EP0494061 A1 EP 0494061A1 EP 91870001 A EP91870001 A EP 91870001A EP 91870001 A EP91870001 A EP 91870001A EP 0494061 A1 EP0494061 A1 EP 0494061A1
Authority
EP
European Patent Office
Prior art keywords
base
base element
elements
covering
channel
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
EP91870001A
Other languages
German (de)
English (en)
Other versions
EP0494061B1 (fr
Inventor
Francisco Rubio Hernandez
José Antonio Sainz de la Maza del Castillo
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.)
SAINZ DE LA MAZA DEL CASTILLO. JOSE ANTONIO
Original Assignee
Sainz de la Maza Del Castillo Jose Antonio
TENBY INVESTMENTS Ltd
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.)
Filing date
Publication date
Application filed by Sainz de la Maza Del Castillo Jose Antonio, TENBY INVESTMENTS Ltd filed Critical Sainz de la Maza Del Castillo Jose Antonio
Priority to DK91870001.4T priority Critical patent/DK0494061T3/da
Priority to EP91870001A priority patent/EP0494061B1/fr
Priority to AT91870001T priority patent/ATE139290T1/de
Priority to DE69120239T priority patent/DE69120239T2/de
Priority to ES91870001T priority patent/ES2091316T3/es
Publication of EP0494061A1 publication Critical patent/EP0494061A1/fr
Application granted granted Critical
Publication of EP0494061B1 publication Critical patent/EP0494061B1/fr
Priority to GR960402379T priority patent/GR3021026T3/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04B5/17—Floor structures partly formed in situ
    • E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
    • E04B5/21—Cross-ribbed floors
    • 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
    • E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members

Definitions

  • the invention relates to a method for assembling a non-recoverable formwork made of a ribbed slab comprising base elements manufactured from transformed resins and/or expanded polystyrene, wherein an auxiliary structure is built up upon which, in order to form said formwork, said base elements, comprising each at least one channel part forming a part of a bedding for a beam of concrete, are disposed adjacent to each other.
  • non-recoverable isolating members made for example of expanded polystyrene are disposed on an auxiliary structure.
  • the isolating members are provided with channels wherein concrete is poured for forming a transverse beam supporting the roofing.
  • the channels extend only over a part of the height of the member in such a manner that the bottom plane of the member forms a substantially homogeneous isolation layer for sound and thermal isolation.
  • a drawback of the known method is that the used base elements are generally of a large dimension (4 m in length, 1,20 m in width) and that the concrete is already poured therein before assembling, which signifies that they cannot easily be handled. Further the space between two successive channels is completely filled with isolating material which makes the members also heavy and fragile. The different elements are simply disposed adjacent to each other and there is no rigid linking between the different elements, which causes them to move with respect to each other.
  • a method according to the invention is therefore characterized in that the different base elements, which are provided with reinforcing walls situated on both sides of said channel part, are connected by each time linking at least four adjacent base elements with a covering element disposed on the reinforcing walls between two successive channel parts of the connected base elements.
  • the presence of reinforcing walls provides a more rigid structure of the base element with less weight because the base elements are no longer completely filled with material between successive channel parts. Further by making use of base elements the overall dimensions of the elements can be reduced which makes themmore easy to handle.
  • the covering element serves to connect adjacent base elements and to cover the reinforcing walls so that no concrete can reach the covered volume. Due to the fact that adjacent base elements are connected, they cannot move with respect to each other which allows the channel parts of the different members to be correctly aligned and hinders displacement of the elements with respect to each other.
  • the carefully planned form of the moulds facilitates their adaptation to any geometric form of building floorplan, whether it be square, rectangular, circular of any polygonal planned.
  • a preferred embodiment of a method according to the invention is characterized in that use is made of base elements having a predetermined dimension, a remaining surface part of the formwork to be assembled between a border of a surface to be covered by said formwork and an end of a base element, which surface part is smaller than a further surface of said base element, being formed by a complementary element connected to the latter base element and continuing at least a bottom plane of said base element.
  • a base element to be used in a method according to the invention is characterized in that said base element is provided with reinforcing walls, situated on both sides of said channel part.
  • the use of reinforcing walls lightens the elements and makes them more rigid.
  • a first preferred embodiment of a base element according to the invention is characterized in that said channel part is substantially situated along a central axis of said base element.
  • Such base elements are particularly suitable to be used as unidirectional slabs for substantially parallel aligned transverse beams.
  • a second preferred embodiment of a base element according to the invention is characterized in that a further channel part is provided extending substantially perpendicular to said channel part.
  • Such base elements are particularly suitable to be used for lattice ribbed transverse beams.
  • said base elements comprise a bottom plane, each border of which being provided with first linking meams for linking with an adjacently disposed base element.
  • the bottom plane borders of adjacently disposed base elements can thus be connected to each other so that they remain immobile with respect to each other.
  • a combination of a base element and a covering element to be used in a method according to the invention is characterized in that said base element respectively said covering element is provided with second respectively third linking means arranged to cooperate with each other. This enables to rigidly fix the covering element to the base element.
  • said base elements are provided with support means applied in said channel part for supporting reinforcement rods.
  • said base element and/or said covering element is made of transformed resin or expanded polystyrene. Those materials have excellent sound and thermal isolation properties and are further waterproof.
  • a roofing, a ceiling or any other horizontal or inclined structural element extending between two generally vertically disposed, supporting elements of a building, is generally made of concrete. Since concrete is a good thermal conductor and has bad acoustic isolation properties use is made of isolation members which improves the isolation of the roofing. Those isolation members are often included in the formwork used to poor the concrete, thus forming a non-recoverable formwork of isolating material.
  • the advantage of using isolating material for the formwork is that the assembly of the formwork and the application of the isolating layer is realized in one and the same operation step.
  • Figure 1 shows four base elements 1, 2, 3 and 4 of a formwork made of ribbed slabs according to the invention.
  • each base element is formed by a unidirectional mould provided with a channel part 6 which extends through a central axis of the base element. That channel part is provided for placing therein reinforcements, preferably made of iron rods, and pouring thereafter concrete into that channel part in order to form a transverse beam of the roofing.
  • the channel part thus forms a bedding for a transverse beam.
  • FIG. 1 The base elements or base moulds are placed adjacent to each other as is illustrated in figure 1.
  • Base element 4 is moved into the open space shown adjacent the elements 2 and 3 and the channel part 6 of base mould 3 is continued by the channel part 6 of base mould 4, once the latter has been correctly disposed.
  • a covering element 5 In order to link adjacent base elements with each other and thus prevent that they could move with respect to each other, use is made of a covering element 5.
  • covering element 5 links the four moulds to each other, which is particularly advantageous since it provides that the four moulds cannot move with respect to each other and this by using only one covering element.
  • Figure 3 illustrates a second phase wherein the assembling of the formwork is nearly achieved.
  • Each covering element has reinforcing walls 40, 41 similar to those in the base element.
  • the covering elements fit together, thanks to the grooves placed along the sides of the elements.
  • the covering element 14 has a rounded shape and is provided with grooves that permit its assembly with a group of four base elements. Small reinforcing walls strenghten it.
  • the base and covering elements are made of transformed resins and/or expanded polystyrene or any other material having poor thermal conductive characteristics.
  • Transformed resins or expanded polystyrene is particularly suitable since it is a waterproof material and thus will not absorb the water contained in the concrete to be poured on the upper surface of the isolating element. Indeed, since the water of the concrete is not absorbed by the element, which is the case when the concrete is poured on a shuttering made of wood or any other water-absorbing material, the water/cement relation of the concrete will not be modified. Therefore, the hardening of the concrete will be more homogeneous and will faster reach its resistance level.
  • transformed resins or expanded polystyrene is a good acoustic isolation. Since concrete has bad acoustic attenuation properties, the acoustic isolation of the roofing made of concrete and the isolating elements will be much improved due to other good acoustic isolation properties of the isolating elements. Finally transformed resins or expanded polystyrene has also good fire resistant properties and is resistant to fire up to 180 minutes.
  • Each base element comprises a bottom plate 12 upon which a grid of reinforcing walls 9 are disposed.
  • the reinforcing walls are substantially perpendicular to the bottom plate and extend between a border of the base element and a wall 7 or 8 delimiting the channel part 6.
  • the reinforcing walls thus extend on both sides of the channel part 6 and an open space is each time left between two successive reinforcing walls. Due to the use of reinforcing walls, the base elements have a rigid structure and a low weight. The reinforcing walls assure the undeformability of the channel which holds the rib of the slab.
  • the rigid structure is particularly important since there must be avoided that due to the relatively high weight of the concrete to be poured in the channel part and upon the covering element, the base element would be deformed or damaged and consequently lost some or all of its properties.
  • the pressure applied by the concrete against the walls 7 and 8 will be substantially compensated by the reinforcing walls 9, which will also sustain the covering plate and the concrete poured thereon.
  • the different reinforcing walls 9 of a base element form a grid within that element and assure its indeformability while reinforcing the channel walls 7 and 8. Further due to the low weight of the base elements they are easy to handle, which makes their adjacent placement more easy to carry out. The lightness of the elements enables to save in the cost of their loading and transport and avoids the use of heavy machinery for the assembling thereof.
  • the open space between two successive reinforcing walls further improves the thermal and sound isolation properties of the base element.
  • Figures 2 and 4 show a second embodiment of an isolating element according to the invention, wherein the base elements 15, 16, 17 and 18 are provided with two channel parts 6 and 13 which extend substantially perpendicular to each other.
  • Those base elements called bidirectional moulds, are used for roofings with lattice ribbed transverse beams.
  • the presence of two channel parts in the base elements imposes a different shape of the covering element 14 with respect to the one used in the first embodiment, as can be seen in the drawings.
  • Those elements are used when bidirectional transverse beams are required.
  • the covering element 14 is provided with rounded angles and so are the cross-points of the channel parts in order to reinforce the structure of those elements.
  • the measurements given above do not mean there is any limitation in the system.
  • the different moulds can adopt any size, form or variation used to execute these types of slabs.
  • the mould of transformed resins and/or expanded polystyrene have the following values as insulation, soundproofing and fire resistant material :
  • Figures 5 and 10 illustrate a view from above of a base element provided with first linking means 23, 24 in order to link the base element with adjacent base elements.
  • first linking means are present on the bottom plane of the base element.
  • the first linking means comprises a recess 23 and a projection 24.
  • the first linking means are preferably situated at the extremities of the channel part in order to obtain a suitable alignment of the successive channel parts.
  • the walls 7, 8, 19 and 20 (Fig. 5, 10) of the channel parts have an upper border provided with second linking means 21, 22 in order to link the base element with the covering element.
  • the second linking means are formed by a first step-like profile 21 and a second step-like profile 22 as is illustrated in Figure 10.
  • the first step-like profile 21 has its lower part on the side of the channel, while the second step-like profile 22 has its upper part on the side of the channel.
  • the second linking means cooperate with third linking means 23 and 24, (figures 12 and 13) provided on the covering element and showing a profile which fits with the one of the second linking means. So the step-like profile 23 fits with 21 and 24 with 22.
  • the base elements provided with only one channel part are also provided with second linking means showing an analogous profile.
  • the second step-like profile 22 is not present on a channel wall but on a reinforcing walls situated substantially in the middle of the element. The presence of a first and a second step-like profile enables a correct positioning of the covering element on the base element and prevents that the covering element could shift once it has been put on the base element.
  • the covering element 5 is disposed assymetrically with respect to the structure of the base element which enables a better linkage of the base elements and moreover hinders a relative shift of the different elements.
  • the base elements are provided with reinforcement spacers 25 as can be seen in figures 5, 6, 10 and 11.
  • Those reinforcement spacers 25 show a substantially U-shaped profile and reinforces the channel part.
  • those reinforcement spacers 25 serve as a support and guiding means for a reinforcement made of iron rods 39 such as shown in figures 17 and 18.
  • Those reinforcement spacers allow a suitable alignement of the iron rods.
  • the bottom plane of the base element is provided with a grid of small chennels such as illustrated in figure 7 and wherein conduits such as electricity, water or gas conduits can be installed.
  • conduits such as electricity, water or gas conduits
  • This has the advantage that, when such a conduit has to be installed, the space and the channel therefore are already provided in the roofing which offers a substantial time and money saving.
  • the small channels 26 shown in figures 3 and 7 can be used for installing conduits, they also assure the adherence of any ceiling finish, in particular gypsum.
  • the covering element 5 of the first embodiment has inclined border parts 29.
  • the bevel of the covering element favours the pouring of the concrete in the channel parts and gives the finished concrete beam a greater compression head.
  • the covering element further comprises fourth linking means (figures 8 and 9) for example formed by a projection 30 which fits into a recess 31, enabling to link successive covering elements to each other and thus obtaining a tight covering of the space between two successive channel parts of connected base elements.
  • the covering element is provided with notches 32 situated on the top side and allowing to support reinforcing rods.
  • the notches are preferably situated on the corners of the covering plate as is illustrated in figure 14, thus enabling the reinforcing rod to be carried by nearly the whole surface of the covering element.
  • complementary elements Since the base elements have standard dimensions and since a roofing or the like can have various dimensions, complementary elements must be provided in order to fill up the remaining surface part left between a border of the surface to be covered and an end of the last base element of a succession of base elements.
  • the complementary element is used in the construction of unidirectional as well as bidirectional elements and serves as an additional mould. Since that remaining surface is of course always smaller than the surface of a base element and since base elements are preferably not cut into pieces in order to maintain their homogeneous structure, a complementary element 33 as shown in figure 15 is used. That complementary element is also provided with first linking means 34 which fits with the first linking means of the base elements. This enables the complementary element to be suitably connected to the bottom plane of the base elements.
  • the bottom surface of the complementary element is also provided with one or more recesses 36 as it is the case for base elements.
  • the complementary element is further provided with conical holes 35 which traverse that element and assure its adhesion to the concrete to be poured.
  • an auxiliary structure 27 (figure 16) is first build up.
  • the auxiliary structure is for example formed by a scaffold of pillars 28 or telescopic metal stanchions, over which a flat board (of wood or plastic) is placed to serve as a surface for the support of the moulds.
  • the base elements are placed thereupon in the way illustrated in figures 1-4.
  • unidirectional or bidirectional moulds are used.
  • the bottom planes of the adjacent base elements are connected by means of the first linking means 23, 24, so that a substantially homogeneous bottom plane is obtained, and that substantially no seams are visible.
  • each covering plate connects four units of base plate thus obtaining the interconnection of each and every unit of base plate and covering plate used with all of the other units.
  • the complementary elements are than cut into appropriate pieces in order to compensate for said remaining parts. After that, the formwork for the remaining individual elements of the structure (abaci, perimetral beams, secondary beams, juts, etc.) is constructed using the complementary mould.
  • a reinforcement for example made of iron rod, is placed into said channel (figures 17, 18).
  • the concrete 38 is poured over said reinforcement and said formwork.
  • Figure 19 shows the roofing with the concrete and the formwork.
  • the auxiliary structure can be removed. Due to the use of the formwork, the auxiliary structure can be removed earlier, because the waterproof surface of the formwork will enable the concrete to maintain its humidity.
  • the relation water/ cement does not change since substantially no water is absorbed by the formwork.
  • the hardening of the concrete is more homogeneous and therefore the concrete will reach faster its resistance, which enables a faster remove of the auxiliary structure.
  • the concrete does not come into direct contact with the auxiliary structure, so that it is not necessary to clean that auxiliary structure and remove therefrom remaining concrete. This enables a substantial money saving since it is not necessary to clean the auxiliary structure before using it again.
  • the formwork remains thus permanently in the roofing since it remains fixed to the reinforcement and the concrete.
  • the poor thermal conductive characteristics of the formwork enables a substantial energy saving since the heat can no longer pass from one stage to another due to the presence of the isolating material.
  • the system offers many advantages with respect to the remaining traditional construction systems of ribbed slabs.
  • the resulting concrete sections conserve the width and continuity projected and have ribs with exact finishes thanks to the undeformability and self-alignment of the moulds.
  • the interconnection of the moulds that form the surface for the placing of the concrete assure an equal distance between the ribs of the slab and the correct position of the reinforcing bars. The result is a continuous and homogeneous structure.
  • the assembly of the moulds and edges with the grooves assures a perfect watertightness of the whole, that together with the impermeability achieved by incorporating resins between the components of the moulds, means a maximum utilisation of the concrete.
  • One advantage derived from this is the increase in the number of times the auxiliary structure can be used as it does not come into contact with either the water of the mixing or that of the curing process.
  • the surface provided by the interconnected moulds has a thickness of 3 cm, it facilitates the opening of ceiling chases and provides a useful thickness to house electrical wiring, water, heating and installations. In the zones between ribs, screens and lighting fixtures can be housed.
  • the moulds incorporate in the structure the insulation and soundproofing necessary in ceilings and floors, both the insulation and soundproofing necessary between the various floors of the building, but also with respect to the exterior. There is, therefore, a reduction in energy costs and an increase in comfort because of the absence of temperature jumps (the system presents an ideal surface, acting as a screen for the installation of heating systems under the floor surface).
  • the material reacts well in case of fire, as it is self-extinguishable and of low inflammability. This contributes great security, both in the execution of the work and later when the moulds, once incorporated in the slab, act as a barrier against the spread of fire.
EP91870001A 1991-01-03 1991-01-03 Procédé et éléments pour l'assemblage d'un coffrage perdu Expired - Lifetime EP0494061B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DK91870001.4T DK0494061T3 (da) 1991-01-03 1991-01-03 Fremgangsmåde og elementer til samling af en tabt forskalling
EP91870001A EP0494061B1 (fr) 1991-01-03 1991-01-03 Procédé et éléments pour l'assemblage d'un coffrage perdu
AT91870001T ATE139290T1 (de) 1991-01-03 1991-01-03 Verfahren und körper zur herstellung einer verlorenen schalung
DE69120239T DE69120239T2 (de) 1991-01-03 1991-01-03 Verfahren und Körper zur Herstellung einer verlorenen Schalung
ES91870001T ES2091316T3 (es) 1991-01-03 1991-01-03 Procedimiento y elementos para el montaje de un encofrado irrecuperable.
GR960402379T GR3021026T3 (en) 1991-01-03 1996-09-12 A method and elements for assembling a non-recoverable formwork

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91870001A EP0494061B1 (fr) 1991-01-03 1991-01-03 Procédé et éléments pour l'assemblage d'un coffrage perdu

Publications (2)

Publication Number Publication Date
EP0494061A1 true EP0494061A1 (fr) 1992-07-08
EP0494061B1 EP0494061B1 (fr) 1996-06-12

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ID=8209004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91870001A Expired - Lifetime EP0494061B1 (fr) 1991-01-03 1991-01-03 Procédé et éléments pour l'assemblage d'un coffrage perdu

Country Status (6)

Country Link
EP (1) EP0494061B1 (fr)
AT (1) ATE139290T1 (fr)
DE (1) DE69120239T2 (fr)
DK (1) DK0494061T3 (fr)
ES (1) ES2091316T3 (fr)
GR (1) GR3021026T3 (fr)

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NL9300201A (nl) * 1993-02-02 1994-09-01 Franciscus Wilhelmus Antonius Uit isolerend materiaal bestaande mal voor het vervaardigen van een betonnen vloerelement en werkwijze voor het vervaardigen van een betonnen vloerelement.
WO2000075460A1 (fr) * 1999-06-07 2000-12-14 Wolfgang Adolf Binder Coffrage utile pour construire des edifices
WO2005108700A1 (fr) * 2004-05-11 2005-11-17 Plastedil S.A. Element porteur destine notamment a la fabrication de planchers et de structures planchers comprenant ledit element
CN101004091A (zh) * 2003-12-09 2007-07-25 邱则有 一种砼填充用空腔模壳构件
CN100458046C (zh) * 2003-10-01 2009-02-04 邱则有 一种模壳构件
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DE102007049505A1 (de) 2007-10-15 2009-04-16 Novo-Tech Gmbh & Co. Kg Schalung für Betongewerke
CN1991017B (zh) * 2003-12-09 2010-05-19 邱则有 一种砼填充用空腔模壳构件
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CN101004046B (zh) * 2003-10-01 2011-09-07 湖南邱则有专利战略策划有限公司 一种模壳构件
WO2020149728A1 (fr) * 2019-01-14 2020-07-23 Consulting Antonini Dispositif et procédé pour la construction de planchers bidirectionnels, préfabriqués et allégés
CN112360028A (zh) * 2020-11-18 2021-02-12 天津大学建筑设计规划研究总院有限公司 一种钢格栅免支叠合密肋板

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ES2297978B1 (es) * 2005-07-20 2009-07-20 Carlos Manuel Gonzalez Oppenheim Forjado "in situ" reticular con bovedillas y suelas de viguetas.

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US2589127A (en) * 1947-03-28 1952-03-11 Platero Armando Bocage Reinforced tile arch
FR1245853A (fr) * 1959-12-22 1960-11-10 Hipercesa Hipervibrados De Cem Procédé pour la construction de planchers et plafonds
GB1085264A (en) * 1965-02-17 1967-09-27 William Higgins & Sons Manches Improvements relating to floor blocks
FR2395366A1 (fr) * 1977-06-22 1979-01-19 Babu Jean Pierre Element prefabrique double de coffrage et parement pour la construction de dalles de plafond en beton
US4468911A (en) * 1982-02-12 1984-09-04 Andrew Daga System for forming structural concrete

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589127A (en) * 1947-03-28 1952-03-11 Platero Armando Bocage Reinforced tile arch
FR1245853A (fr) * 1959-12-22 1960-11-10 Hipercesa Hipervibrados De Cem Procédé pour la construction de planchers et plafonds
GB1085264A (en) * 1965-02-17 1967-09-27 William Higgins & Sons Manches Improvements relating to floor blocks
FR2395366A1 (fr) * 1977-06-22 1979-01-19 Babu Jean Pierre Element prefabrique double de coffrage et parement pour la construction de dalles de plafond en beton
US4468911A (en) * 1982-02-12 1984-09-04 Andrew Daga System for forming structural concrete

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9300201A (nl) * 1993-02-02 1994-09-01 Franciscus Wilhelmus Antonius Uit isolerend materiaal bestaande mal voor het vervaardigen van een betonnen vloerelement en werkwijze voor het vervaardigen van een betonnen vloerelement.
BE1008055A4 (nl) * 1993-02-02 1996-01-03 Rhee Franciscus Wilhelmus Anto Uit isolerend materiaal bestaande mal voor het vervaardigen van een betonnen vloerelement en werkwijze voor het vervaardigen van een betonnen vloerelement.
WO2000075460A1 (fr) * 1999-06-07 2000-12-14 Wolfgang Adolf Binder Coffrage utile pour construire des edifices
CN100458069C (zh) * 2002-04-30 2009-02-04 邱则有 一种钢筋砼用立体承力模壳
CN101004046B (zh) * 2003-10-01 2011-09-07 湖南邱则有专利战略策划有限公司 一种模壳构件
CN101004065B (zh) * 2003-10-01 2010-10-06 邱则有 一种模壳构件
CN100458046C (zh) * 2003-10-01 2009-02-04 邱则有 一种模壳构件
CN101004066B (zh) * 2003-10-01 2010-09-01 邱则有 一种模壳构件
CN101004004B (zh) * 2003-12-09 2010-06-09 邱则有 一种砼填充用空腔模壳构件
CN101004091A (zh) * 2003-12-09 2007-07-25 邱则有 一种砼填充用空腔模壳构件
CN1991017B (zh) * 2003-12-09 2010-05-19 邱则有 一种砼填充用空腔模壳构件
CN101008231B (zh) * 2003-12-09 2010-09-01 邱则有 一种砼填充用空腔模壳构件
CN1995624B (zh) * 2003-12-09 2010-09-08 邱则有 一种砼填充用空腔模壳构件
CN101004060B (zh) * 2003-12-09 2010-05-19 邱则有 一种砼填充用空腔模壳构件
US7784235B2 (en) 2004-05-11 2010-08-31 Plastedil S.A. Load bearing construction element, in particular for manufacturing building floors, and floor structure incorporating such element
WO2005108700A1 (fr) * 2004-05-11 2005-11-17 Plastedil S.A. Element porteur destine notamment a la fabrication de planchers et de structures planchers comprenant ledit element
CN101311474B (zh) * 2004-09-02 2011-08-03 湖南邱则有专利战略策划有限公司 一种现浇砼填充用空心胎体
CN1779136B (zh) * 2004-11-24 2010-10-06 邱则有 一种砼空心板
CN1779139B (zh) * 2004-11-24 2010-09-22 邱则有 一种砼空心板
DE102007049505A1 (de) 2007-10-15 2009-04-16 Novo-Tech Gmbh & Co. Kg Schalung für Betongewerke
WO2020149728A1 (fr) * 2019-01-14 2020-07-23 Consulting Antonini Dispositif et procédé pour la construction de planchers bidirectionnels, préfabriqués et allégés
CN112360028A (zh) * 2020-11-18 2021-02-12 天津大学建筑设计规划研究总院有限公司 一种钢格栅免支叠合密肋板

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EP0494061B1 (fr) 1996-06-12
ATE139290T1 (de) 1996-06-15
ES2091316T3 (es) 1996-11-01
DE69120239T2 (de) 1997-02-06
GR3021026T3 (en) 1996-12-31
DE69120239D1 (de) 1996-07-18
DK0494061T3 (da) 1996-10-21

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