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EP1907642B1 - Procede de construction mur-plafond dans une execution en beton arme - Google Patents

Procede de construction mur-plafond dans une execution en beton arme Download PDF

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Publication number
EP1907642B1
EP1907642B1 EP05769655A EP05769655A EP1907642B1 EP 1907642 B1 EP1907642 B1 EP 1907642B1 EP 05769655 A EP05769655 A EP 05769655A EP 05769655 A EP05769655 A EP 05769655A EP 1907642 B1 EP1907642 B1 EP 1907642B1
Authority
EP
European Patent Office
Prior art keywords
ceiling
wall
formwork system
formwork
concrete
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP05769655A
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German (de)
English (en)
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EP1907642A1 (fr
Inventor
Michael Müller
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.)
VST Verbundschalungstechnik GmbH
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VST Verbundschalungstechnik GmbH
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.)
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Publication of EP1907642A1 publication Critical patent/EP1907642A1/fr
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Publication of EP1907642B1 publication Critical patent/EP1907642B1/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
    • E04B1/161—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with vertical and horizontal slabs, both being partially cast in situ
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8635—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties attached to the inner faces of the forms

Definitions

  • the invention relates to a method for producing a reinforced concrete wall-ceiling construction, wherein prefabricated lost formwork systems from a wall formwork system and a slab formwork system are used.
  • a conventional wall formwork is usually first provided with the required static, structural and required connection reinforcement and poured with in-situ concrete. Once the concrete has reached a certain concrete strength, it is possible to start installing the reinforced concrete slab formwork. This can in particular lead to problems in the area of the end support, which is statically defined as freely rotatable, but experiences a sectioneinposition when, for example, over the Endauflager a second wall is built. If the second wall is formed, occurs there according to static theory, a tensile moment, which must be removed with a corresponding reinforcement. To determine the required reinforcement, internationally or nationally valid standards can be used.
  • a wall-ceiling construction is to be formed, for example, in the middle of the field of the ceiling plate, the load-bearing walls due to use are not superimposed, but arranged offset from each other.
  • the ceiling which is formed at this point without support, should remove the loads from the upper floors and the ceiling lying under the wall and in addition to their acting dead loads and traffic loads, which can be particularly problematic statically and economically for large spans.
  • EP 0 611 852 B1 discloses a composite formwork system for forming a wall, which is used according to the principle of a lost formwork and which is suitable for the inventive method of a wall-ceiling construction.
  • EP 0 811 731 B1 and DE 296 09 800 U1 discloses a prefabricated formwork system for forming a blanket, which is used according to the principle of a lost formwork and which is suitable for the inventive method of a wall-ceiling construction.
  • Such prefabricated ceiling formwork system is formed lattice girder free and provided with a plurality of individual longitudinal bars, which are parallel to each other on the base plate in the Distance above the base plate are arranged and each anchored by means of a plurality of brackets which are bolted to the base plate to the base plate and are spaced from the base plate so that they after the application of the concrete in the lower region, in particular in the lower third Thickness of the finished concrete layer of the ceiling to be created to come to rest.
  • the projecting longitudinal bars which are perpendicular to the walls carrying the ceiling, may be fixed to the already finished walls such that the longitudinal bars have a supporting function for the finished reinforced concrete floor.
  • a method for producing a reinforced concrete wall-ceiling construction in which for the wall rising from a cast ceiling plate, a base plate is used as a ceiling formwork system and a wall formwork system with two formwork panels, spaced by means of coupling devices attached to each other.
  • an angular connection reinforcement is used, which can be fixed in the prefabrication of the wall formwork system in this so that the relevant wall formwork element can be placed on it.
  • connection reinforcement spacer blocks may be fixed, with which the connection reinforcement rests on the base plate of the ceiling formwork system.
  • the reinforcement of the base plate is laid after the displacement of the wall formwork systems, wherein a lower and an upper mesh reinforcement can be provided and the plate reinforcement can be connected after their laying with the connection reinforcements.
  • the object of the invention is to provide a method for producing a wall-ceiling construction, in particular on the wall-ceiling connection.
  • two formwork systems are combined for erecting wall and ceiling.
  • the wall formwork system has two formwork panels, which are held by means of coupling devices at a distance from each other and secured to each other.
  • the ceiling formwork system which is formed lattice girder-free, has a base plate, with which a plurality of parallel longitudinal bars are anchored, which come to rest in the lower third of the ceiling to be created. Both formwork systems are attached to each other in such a way that the longitudinal bars of the ceiling formwork system are perpendicular to the wall formwork system.
  • a connection reinforcement is used in the two formwork systems so that it is anchored to the single longitudinal bars of the ceiling formwork system and thus also directly to the base plate.
  • the method according to the invention combines the advantages of the wall-type composite shuttering system EP 0 611 852 B1 to be able to quickly produce large-scale wall panels, with the advantages of the ceiling formwork system according to EP 0 811 731 B1 , which can take over during the ceiling production before concreting as well as the ceiling plate in the finished state supporting functions.
  • the necessary reinforcement for removing the moment occurring due to the partial tightening when setting up the ceiling formwork system does not extend into the ceiling area and therefore does not have to be bent back, since these demolition Reinforcement is only inserted when both the wall formwork system and the ceiling formwork system are set up.
  • the demolition reinforcement is fastened with suitable anchoring elements on the one hand to the wall formwork system and on the other hand to the existing single bar reinforcement of the ceiling formwork system, wherein the individual longitudinal members of the ceiling formwork system protrude into the wall formwork system at the end support with the required anchoring length.
  • wall formwork panels are used with the same dimensions at the Endillerlager, wherein both the ceiling facing inner formwork panel and the ceiling facing away formwork panel in height the base plate of the ceiling formwork system or the concrete ceiling bottom edge.
  • cement paste may leak out of the concrete surface during concreting of the concrete pavement, thus impairing the aesthetic impression.
  • the concreting of the wall and the ceiling should be carried out without time interruption.
  • the outer shuttering panel can be extended by the distance from the upper edge of the outer shuttering panel to the finished concrete ceiling top with additional shuttering panels.
  • the outer formwork panel of the wall formwork system for an end support may already be designed to be higher than the inner formwork panel by the thickness of the concrete floor, which avoids additional formwork on the construction site, which promotes concreting in one go and wherein the Training a working joint between the wall and ceiling bottom edge is avoided.
  • the deflection of the reinforced concrete slab produced by the method according to the invention is substantially improved due to the corner-like configuration of the end supports.
  • the required plate thickness is usually calculated from the limitation of plate deflection. Due to the lower deflection of the plate, the plate thickness compared to reinforced concrete ceiling panels with freely rotatable Endauflagern with otherwise the same deflection can be constructed as a whole thinner and therefore more cost-effective.
  • the vertical bond between the reinforced concrete ceiling slab and the wall plate is improved, since the anchored with the single longitudinal bars of the ceiling formwork system demolition reinforcement with a sufficient anchoring length can be loaded inexpensively on the one hand in the wall formwork system and on the other hand in the ceiling formwork system.
  • the method according to the invention can also be used to create a wall-plate bending support for a suspended ceiling. Since the single longitudinal bars of the ceiling formwork system take over both during the ceiling and in the finished reinforced concrete slab supporting functions and thus statically taken into account, the necessary suspension for hanging the ceiling slab to a wall bending beam inexpensively with allowable anchoring elements on the single longitudinal bars of the ceiling Be attached to a formwork system. After the reinforced concrete slab has been concreted and hardened, the wall composite formwork is inexpensively connected to the suspension.
  • the wall formwork system is previously provided at the factory with the static and constructive reinforcement in the form of mats and round steel required for the formation of the wall plate bending support.
  • Self-compacting concrete is a particularly suitable concrete for the process of producing a reinforced concrete wall-ceiling construction for concreting both of the wall-ceiling formwork systems described above.
  • SVB is normal concrete which, when placed in the formwork, fills all cavities solely by gravity and independently vents it without the use of concrete compactors (eg internal vibrators). When introducing the SVB's therefore the application of compression energy for venting is not necessary. The personnel necessary for the compaction as well The equipment required for compaction is saved, and noise and vibration are avoided, which otherwise occur when using concrete compaction equipment.
  • FIG. 1 Fig. 3 is a sectional plan view of a wall-ceiling construction at an end support of a multi-storey building made by the method of the invention using prefabricated lost formwork systems having a ceiling formwork system 120 and a wall formwork system 100.
  • the wall formwork system 100 off FIG. 1 can, for example, according to EP 0 611 852 B1 be applied and has two shuttering panels, namely a facing away from the ceiling, outer shuttering plate 101 and a ceiling facing, inner shuttering plate 103, which are held by coupling devices 102 at a distance from each other and connected to each other.
  • the wall formwork system according to EP 0 611 852 B1 is particularly suitable for the method for producing a reinforced concrete wall-ceiling construction, since the wall formwork system can be used to easily produce large-scale formwork walls.
  • the formwork panels of the wall formwork system with their lateral impact edges (not shown) butted together.
  • the impact edges are arranged parallel to each other on the longitudinal sides of the formwork panel, wherein the formwork panel at a bumper edge with Ein knowledgean algorithmsn (not shown) and at the other impact edge with Ein cognitiveaus fundamentallessness (not shown) is formed for interconnecting the shuttering panels in the longitudinal direction of the shutter wall.
  • the lattice-free ceiling formwork system 120 is preferably according to EP 0 811 731 B applied and has a base plate 123, a plurality of parallel juxtaposed Einzellärigsstäben 121 and a plurality of brackets 122.
  • the brackets 122 are arranged distributed in a plurality of parallel rows on the base plate 123 and are in particular U-shaped with pointing to the base plate 123 leg plates and at a distance above the base plate 123 parallel to this extending web plate.
  • the leg plates may be provided at their free ends with the leg plates by 90 ° angled flange plates on which the bracket 122 are fixed, for example by means of screws to the base plate 123.
  • the single longitudinal bars 121 are welded in the corners between the web plate and the leg plates of the bracket 122, which have a height such that the single longitudinal bars 121 after the application of the concrete in the lower part of a finished concrete ceiling 171, in particular in the lower third of Thickness of the concrete pavement, come to rest. Additional lattice girders are not provided in the concrete floor 171.
  • the individual longitudinal bars 121 are subjected to tensile stress, so that they can remove the tensile forces.
  • the single longitudinal bars 121 can also be statically taken into account before and during the concrete casting, which reduces the number of supporting devices required and their required equipment and equipment time, because the single longitudinal bars 121 are pressure transmitting before pouring the concrete and to solidify the concrete layer, whereas the base plate 123 has a tensile effect.
  • the wall composite formwork system 100 is erected and secured with a suitable temporary support (not shown) against the concrete pressure encountered during pouring of the liquid concrete, with the required structural and static reinforcement (not shown) of the wall 172 to be concreted already with the formwork walls can be moved.
  • the ceiling formwork system 120 is attached to the wall formwork system 100 so that the single longitudinal bars 121 of the ceiling formwork system 120 extend perpendicular to the wall formwork system 100, and by appropriate means attached to the inner formwork wall 103 of the wall formwork system and sealed so that no concrete or cement paste can escape before the wall formwork system 100 is poured with concrete.
  • the single longitudinal bars of the ceiling formwork system 120 may be dimensioned so that they at the end support in the wall formwork system with the required anchoring length, so at least up to the calculated Auflagerline, protrude.
  • the required anchoring length of the single longitudinal bars can be provided both with a direct as well as with an indirect bearing at the final support with the ceiling formwork system.
  • the inner shuttering panel 103 of the wall formwork system 100 adjacent the ceiling 171 is lower than the formwork panel 101 facing away from the ceiling by the thickness of the finished ceiling 171, with the base panel 123 of the ceiling formwork system 120 being flush with the inner wall toward the wall Shuttering plate 103 is placed.
  • connection reinforcement 150 per meter is used at the Endierlager, which with suitable anchoring means on the one hand with the wall formwork system 100 and on the other hand with the ceiling formwork system 120 is connected.
  • connection reinforcement 150 at the end support has an angular tear-off reinforcement 151 and in particular also a distribution reinforcement 155, for example in the form of round steel, in the angle vertex of the tear-off reinforcement 151.
  • the demolition reinforcement 151 is inserted with its one first leg 152 between the shuttering panels 101, 103 of the wall formwork system 100, so that the distribution reinforcement 155 is likewise arranged in the wall formwork system and the other second leg 153 in the upper region of the ceiling 171 to be produced lie comes.
  • the Abrasion reinforcement 151 is hung with its protruding into the ceiling 171 second leg 153 by means of a structural anchoring element 154 under the EinzellCodefitäbe 121 and / or their mounting bracket 122 of the ceiling formwork system 120, which positively among other things on the necessary anchoring length of the demolition reinforcement 151 in the concrete ceiling 171 effects.
  • the anchoring length can thus be shortened, which means a smaller amount of steel.
  • the wall formwork system 100 can be poured together with the ceiling formwork system with concrete.
  • any suitable concrete can be used, in which method, in particular self-compacting concrete is suitable.
  • self-compacting concrete the liquid concrete does not need to be compressed and vented with internal vibrators, which in turn saves additional work steps.
  • the ceiling-wall formwork system is constructed as described above on a working joint 190 at the end support and cast accordingly with concrete.
  • FIG. 2 a simplified plan of reinforcement is shown in cross-sectional view of a wall formwork system 100 in the form of a suspended wall slab bender beam 272 made using the method of the invention using prefabricated lost formwork systems comprising a ceiling formwork system 120 and a wall formwork system 100 become.
  • a concrete ceiling 171 is first produced with the ceiling formwork system 120, which may be superimposed, for example, on masonry and / or a concrete wall.
  • the ceiling formwork system 120 Before concreting the concrete floor 171, the ceiling formwork system 120 is provided with the required structural and / or static reinforcement.
  • a statically or constructively determined connection reinforcement 150 is laid before concreting the concrete ceiling 171 in the ceiling formwork system 120, which has a suspension reinforcement 252 and its anchoring elements 154 per meter running in the ceiling Formwork 120 are laid for engagement in the wall formwork system 100. Again, the anchoring elements 154 are suspended under the single longitudinal bars 121 of the ceiling formwork system 120 and connected thereto.
  • the concrete pavement 201 After completion of the reinforcement work, the concrete pavement 201 is poured with concrete.
  • the wall formwork system 100 which is factory provided with the required reinforcing mats 210 and reinforcing bars 211 for forming a wall-bending beam 202, is erected on a working joint 190 and suitably not shown Support devices secured.
  • the protruding from the concrete ceiling 171 portion of the suspension reinforcement 252 is connected by means of fastening elements with the reinforcing mats 210 and / or reinforcing bars 211.
  • the wall formwork system 100 can be poured with concrete.
  • wall formwork system 100 and the ceiling formwork system 120 of the method according to the invention is in particular shieldverêtnder as concrete Concrete (SVB) particularly suitable because of its good properties, such as segregation-free outflow of the SVB's to complete leveling, almost complete bleeding without additional compression work and failure-free compression.
  • SVB concrete Concrete
  • the installation performance increases and it is less staff needed to install the SVB's, because due to the self-ventilation of SVB's no one has to operate the internal vibrators and because of the self-leveling of SVB's, especially in horizontal ceilings nobody level the concrete floor.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Panels For Use In Building Construction (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Load-Bearing And Curtain Walls (AREA)

Claims (5)

  1. Procédé de fabrication d'une construction de mur et plafond en béton armé, dans lequel des systèmes de coffrage perdus préfabriqués d'un système de coffrage de mur (100) et d'un système de coffrage de plafond (120) sont utilisés, dont le système de coffrage de mur comporte deux plaques de coffrage (101 ; 103) qui sont arrangées de façon espacée et qui sont reliées entre eux par des dispositifs d'accouplement (102), et dont le système de coffrage de plafond (120) comporte une plaque de base (123), et dans lequel une armature de connexion (150) est utilisée comme élément de connexion entre le mur et le plafond, caractérisé en ce qu'un tel système de coffrage de plafond (120) préfabriqué est utilisé comme système de coffrage de plafond qui est formé sans poutres en treillis et équipé d'une pluralité de barres allongées individuelles (121) qui sont disposées en parallèle côte à côte sur la plaque de base (123) et qui sont respectivement ancrées à la plaque de base et espacées au-dessus de la plaque de base par une pluralité d'étriers (122) vissés sur la plaque de base, les barres allongées individuelles se retrouvant, suite à l'application ultérieure du béton, dans la zone inférieure, en particulier dans le tiers inférieur de l'épaisseur de la couche de béton finie du plafond (171) à réaliser,
    dans lequel le système de coffrage de plafond (120) et le système de coffrage de mur (100) sont posés l'un sur l'autre de sorte que les barres allongées individuelles (121) du système de coffrage de plafond (120) s'étendent verticalement au système de coffrage (100) de plafond, et
    dans lequel l'armature de connexion (150) est d'une part insérée dans le système de coffrage de mur (100) et d'autre part accrochée sous les barres allongées individuelles (121) du système de coffrage de plafond (120) et ainsi ancrée à la plaque de base (123) du système de coffrage de plafond par les barres allongées individuelles.
  2. Procédé selon la revendication 1, dans lequel le plafond (171) est attaché à un mur (172) servant de support d'extrémité en mettant le système de coffrage de plafond en haut sur le système de coffrage de mur (120) après avoir érigé celui-ci, suivi de l'insertion d'une armature supérieure (151) angulaire dans le système de coffrage de mur (100) par l'un de ses côtés (152) à partir de la partie supérieure du système de coffrage de plafond (120) comme armature de connexion (150) et de l'accrochement par son autre côté (153) sous les barres allongées individuelles (121) du système de coffrage de plafond, et suivi par le coulage du plafond (171) et du mur (172) de béton d'un seul coup.
  3. Procédé selon la revendication 2, dans lequel le système de coffrage de mur (100) est préfabriqué de sorte que la plaque de coffrage intérieure (103) tournée vers le plafond soit plus basse que la plaque de coffrage (101) extérieure détournée du plafond, le système de coffrage de plafond étant posé avec sa plaque de base (123) sur la plaque de coffrage intérieure (103) du système de coffrage de mur (100) de façon affleurée.
  4. Procédé selon la revendication 1, dans lequel le plafond (171) est suspendu sous un mur (272) configuré comme poutre sollicitée en flexion de disque mural en appuyant le système de coffrage de plafond (120) et en accrochant l'armature de connexion (150) comme armature de suspension (252) sous les barres allongées individuelles (121) du système de coffrage de plafond (120), de sorte qu'une portion de l'armature de connexion fasse saillie vers le haut et le système de coffrage de plafond soit coulé de béton pour construire le plafond (171), suivi par la position du système de coffrage de mur (100) sur le plafond (171) construit, de sorte que la portion de l'armature de suspension (252) faisant saillie s'élève entre les plaques de coffrage (101) du système de coffrage de mur (100) et la portion de l'armature de suspension faisant saillie soit relié au système de coffrage de mur.
  5. Procédé selon l'une quelconque des revendications 1 à 4, dans lequel du béton auto-compactant est utilisé comme béton.
EP05769655A 2005-07-28 2005-07-28 Procede de construction mur-plafond dans une execution en beton arme Active EP1907642B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/008220 WO2007012345A1 (fr) 2005-07-28 2005-07-28 Procede de construction mur-plafond dans une execution en beton arme

Publications (2)

Publication Number Publication Date
EP1907642A1 EP1907642A1 (fr) 2008-04-09
EP1907642B1 true EP1907642B1 (fr) 2009-09-30

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Application Number Title Priority Date Filing Date
EP05769655A Active EP1907642B1 (fr) 2005-07-28 2005-07-28 Procede de construction mur-plafond dans une execution en beton arme

Country Status (6)

Country Link
US (1) US8484928B2 (fr)
EP (1) EP1907642B1 (fr)
AT (1) ATE444416T1 (fr)
DE (1) DE502005008258D1 (fr)
NO (1) NO338797B1 (fr)
WO (1) WO2007012345A1 (fr)

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DE202012100746U1 (de) 2011-03-02 2012-06-15 Vst Verbundschalungstechnik Gmbh Anlage zum fortlaufenden Herstellen von Verbundschalungs-Plattenelementen

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CN102477778B (zh) 2010-11-25 2014-07-09 欧文斯科宁知识产权资产有限公司 预制保温复合板及其组件、包括其的模板、混凝土板、其预制方法、模具型材
CN102477770A (zh) * 2010-11-25 2012-05-30 欧文斯科宁知识产权资产有限公司 混凝土板结构构件和浇注混凝土板的施工方法
JP5953018B2 (ja) 2011-08-05 2016-07-13 オムロン株式会社 尿成分分析装置および尿成分分析方法
US10501349B1 (en) * 2016-05-31 2019-12-10 Jarrett Concrete Products One piece watertight concrete structure
US20190017263A1 (en) * 2017-07-12 2019-01-17 Nicholas William Myles Burnett Expansion joint
WO2020051633A1 (fr) * 2018-09-10 2020-03-19 Hcsl Pty Ltd Panneau de construction
CN109680797B (zh) * 2018-10-15 2021-03-23 中国建筑第七工程局有限公司 一种环筋扣合锚接装配式剪力墙叠合结构体系及安装方法
CN113818600B (zh) * 2021-09-15 2024-08-23 中国五冶集团有限公司 一种轻质隔墙构造柱结构及其施工方法

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DE202012100746U1 (de) 2011-03-02 2012-06-15 Vst Verbundschalungstechnik Gmbh Anlage zum fortlaufenden Herstellen von Verbundschalungs-Plattenelementen
WO2012116745A1 (fr) 2011-03-02 2012-09-07 Vst Verbundschalungstechnik Gmbh Procédé de fabrication continue d'éléments de panneau de coffrage composite

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US8484928B2 (en) 2013-07-16
ATE444416T1 (de) 2009-10-15
DE502005008258D1 (de) 2009-11-12
NO338797B1 (no) 2016-10-17
US20080302057A1 (en) 2008-12-11
NO20081030L (no) 2008-04-25
WO2007012345A1 (fr) 2007-02-01
EP1907642A1 (fr) 2008-04-09

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