WO1995002096A1 - Element en beton arme prefabrique et batiment realise au moyen dudit element - Google Patents

Element en beton arme prefabrique et batiment realise au moyen dudit element Download PDF

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Publication number
WO1995002096A1
WO1995002096A1 PCT/EP1994/002223 EP9402223W WO9502096A1 WO 1995002096 A1 WO1995002096 A1 WO 1995002096A1 EP 9402223 W EP9402223 W EP 9402223W WO 9502096 A1 WO9502096 A1 WO 9502096A1
Authority
WO
WIPO (PCT)
Prior art keywords
prefabricated
component according
prefabricated component
components
groove
Prior art date
Application number
PCT/EP1994/002223
Other languages
German (de)
English (en)
Inventor
Martin Wochner
Markus Wochner
Original Assignee
Martin Wochner
Markus Wochner
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 Martin Wochner, Markus Wochner filed Critical Martin Wochner
Priority to EP94922267A priority Critical patent/EP0663977B1/fr
Priority to DE59408988T priority patent/DE59408988D1/de
Publication of WO1995002096A1 publication Critical patent/WO1995002096A1/fr

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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
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material

Definitions

  • the invention relates to a prefabricated reinforced concrete component, in particular for large-scale apartment building and commercial construction, with flat or curved side surfaces and profiled end faces for forming a positive and / or non-positive connection with adjacent components, and a building erected therewith.
  • Storey-high prefabricated components made of reinforced concrete, hollow blocks, perforated bricks and the like have long been known in a wide variety of embodiments (see, for example, CH-PS 187 039, DE-PS 33 10 074, DE-OS 41 00 141).
  • the plate-shaped prefabricated components have essentially flat side surfaces, and at least two of the four end surfaces have a special profile for forming a positive and / or non-positive connection with components adjacent to the side, top or bottom.
  • prefabricated building panels previously used as building walls or as prefabricated elements of a solid roof were either not profiled at all on the end face with which they were erected vertically on the floor or an existing ceiling, or else with a simple longitudinal groove provided, could penetrate into the mortar, which was applied to the slab surface provided for the slabs prior to assembly, and thus lead to a positive interlocking between the ceiling, mortar joint and prefabricated component.
  • system-related difficulties arise again and again, which impede assembly, the vertical alignment of the prefabricated components with one another and with existing ceilings require difficult, complex security measures during assembly and inadequate tensile and compressive strengths of the connections between the individual members Can cause components.
  • the object of the invention is to avoid these disadvantages and to improve prefabricated reinforced concrete components of the type mentioned in such a way that their assembly is simplified and accelerated, that the alignment of the prefabricated components is facilitated during assembly and yet dispenses with complex securing measures during assembly can be, whereby the prefabricated components to ensure the creation of connections high tensile and compressive strength and all round favorable physical properties.
  • This object is achieved in that in at least one of the end faces of the prefabricated reinforced concrete part, a continuous longitudinal groove and in at least at least one of the side surfaces has a plurality of openings communicating with the longitudinal groove.
  • the longitudinal groove communicating with lateral openings initially opens up two fundamentally different assembly paths: the prefabricated component can be placed in a previously laid mortar bed as before, but it can also be placed dry on a blanket without a mortar bed. When placed in a mortar bed, different layer thicknesses of the mortar bed no longer play a role, since excess mortar as well as trapped air can escape or escape through the side openings. When the prefabricated component is set dry, the stability is improved in that the contact surface is relatively small due to the continuous longitudinal groove, which also facilitates alignment and requires less safety measures during assembly.
  • the mortar required for the positive interlocking is then injected or pressed through the side openings until the longitudinal groove and all other communicating with the openings Cavities are filled with mortar. Since in this second method no more alignment or movement of the prefabricated components is required after the mortar has been injected or pressed in, an exact force and form fit and thus also maximum tensile and compressive strengths of the connections of the prefabricated components with one another and with reached the ceilings. In this way, a permanent overall structure is created from the individual prefabricated elements.
  • the continuous longitudinal groove which communicates with the lateral openings, is preferably designed as a concavely curved groove.
  • the channel in the end face can make up approximately 50 to 75% of the wall thickness of the prefabricated component, so that on both sides of the channel there are only narrow strip-shaped areas as feet 11 for erection or placing the finished component on a ceiling, which leads to better stability than with a larger or even full-surface support.
  • reinforcement bars, lattice girders and / or steel posts protrude from the concrete at least partially into the longitudinal groove communicating with the lateral openings, so that when the longitudinal groove is poured with mortar, a positive and non-positive, tensile and pressure resistant connection.
  • At least one sealing groove for receiving a sealing cord or a sealing profile is preferably arranged parallel to said longitudinal groove in the same end face.
  • Rubber cords can be used as sealing cords, the volume of which increases five to six times when moisture enters. The resulting pressure on the sealing element ensures that no moisture can penetrate into the connection joint or crawl under the precast reinforced concrete component.
  • the groove base of the longitudinal groove communicating with the lateral openings is in turn profiled, namely by ribs, webs and / or channels running in the longitudinal or transverse direction. This serves for better interlocking between the elements, which together with the reinforcement is particularly important for the absorption and transmission of shear forces.
  • the number and spacing of the side openings can be selected as required, the spacing being able to correspond to a regularly recurring grid or to be arranged individually and individually.
  • the lateral openings can also be designed as transverse grooves in the end face.
  • NEN can also be designed as bores and thus have a greater distance from the edge of the prefabricated component.
  • the bores can be blind bores which run only from one of the two side surfaces to the bottom of the longitudinal groove, but they can also be through bores which cross the longitudinal groove and connect the two opposite side surfaces to one another. Through bores such as blind bores can run at right angles to the side surfaces, but can also be arranged obliquely from higher-lying openings in the side surfaces down to the groove base of the longitudinal groove.
  • three longitudinal grooves are arranged parallel to one another in those end faces which face butt joints extending vertically after the assembly of the prefabricated components, the middle of the three longitudinal grooves preferably having a larger cross section and being deeper is cut as the two outer longitudinal grooves.
  • These grooves are 'especially for the creation of a tension- and réelle ⁇ fixed connection between laterally adjacent thought underein ⁇ other like joinery.
  • the middle, larger grooves are filled with mortar or concrete. If these grooves are designed as keyways, a wedge-shaped cast body is created when pouring, through which the walls are interlocked.
  • the grooves can also have any other suitable cross-section, can be undercuts, can be designed as dovetail grooves, etc.
  • the two smaller outer grooves preferably serve as joint locking grooves, since they have strip-shaped springs, for example strips of hardboard or insulating material ⁇ plates, which block or seal the joints between two laterally adjacent prefabricated components in the transverse direction, so that no mortar can emerge laterally when the larger central grooves are pressed through the joints and cold bridges in the joint area are avoided.
  • reinforcement bars and / or steel oars can protrude from the prefabricated concrete parts into the middle of the three longitudinal grooves, perpendicular to the longitudinal axis of the groove, reinforcement bars or steel dowels of adjacent prefabricated components using a conventional reinforcing steel screw connection or. Press socket connection can be connected to one another in a tensile and compressive manner.
  • the prefabricated component according to the invention has one or more wedge-shaped projections on at least one of the side faces and / or in at least one of the end faces a cross-section which extends in the longitudinal direction and is adapted to the dimensions of the wedge-shaped projections Keyway on.
  • This type of connection is particularly easy to assemble and permits a precisely fitting interlocking of storey-high panels.
  • the wedge-shaped projections can be arranged in the form of individual "buttons" at specific points over the entire length or width of the prefabricated component, but are preferably continuous strips with a trapezoidal cross section.
  • An embodiment is particularly advantageous in which both the projections and the keyways assigned to them are trapezoidal in cross-section and in which the flanks of the keyways are steeper than the flanks of the projections.
  • the different inclination of the flanks leads to self-centering of the intermeshed prefabricated components during assembly. Because a prefabricated component placed off-center slips on the flanks of the wedge-shaped projections protruding into the grooves until a symmetrically-centered position, ie an equilibrium of forces is reached on the conical effective surfaces.
  • a groove-shaped recess for the right-angled connection of another prefabricated component with an essentially flat, non-profiled end face is arranged in at least one of the side faces of the prefabricated component. If necessary, a component connecting in this way can additionally be fastened on the end face with bolts, screws, dowels or oarlocks.
  • the prefabricated component according to the invention can either be single-shell, preferably made of lightweight concrete, or else double-shell in sandwich construction.
  • side surfaces provided as building exterior sides can be provided with a mineral or foamed insulation layer
  • the double-layer sandwich construction comprises a carrier shell, a facing shell and an insulating layer of insulation arranged between these shells.
  • the finished components can of course be provided on one or both sides with a finished interior plaster layer or a finished insulation plaster layer or on one side with an inner plaster layer and on the opposite side with an insulation plaster layer.
  • the prefabricated component according to the invention can thus have the shape of a storey-high outer wall panel, a storey-high inner wall panel or else the shape of a solid roof element.
  • the prefabricated component according to the invention is preferably used for the erection of buildings, preferably residential buildings, or parts thereof, wherein the floor ceilings can likewise be composed of prefabricated elements with or without concrete or can be cast from in-situ concrete.
  • reinforcement elements are preferably cast into the floor ceilings and / or floor slabs, which at least partially protrude into the longitudinal grooves of the prefabricated components, which communicate with the lateral openings.
  • Such reinforcement elements can individual oarlocks, rods, brackets, but also structural steel mats or lattice girders. In this way, shear teeth can be produced between in-situ concrete slabs and prefabricated concrete components that could previously only be cast individually in in-situ concrete or that could be produced by welding steel plates (welded wall connections).
  • the assembly of the buildings according to the invention is thus simpler and faster, does not require any additional special workers (welders), but nevertheless leads to an optimal shear toothing of the individual elements with tensile and compressive strengths in the joint areas, as is otherwise only the case with conventional ones Solid construction can be achieved.
  • a floor slab made of in-situ concrete is provided, which is framed by prefabricated concrete elements, the entirety of the prefabricated formwork elements representing lost formwork for the floor slab.
  • the finished formwork elements are each stiffened on the inside with at least one lattice girder that at least partially protrudes into the floor slab and in turn results in ideal shear teeth between the individual components.
  • the prefabricated formwork elements preferably form a support for the prefabricated reinforced concrete components of the outer walls.
  • the finished formwork elements are shaped to form a step so that they form a support for the facing shell of double-shell prefabricated sandwich panels of the outer walls.
  • the longitudinal grooves and the cavities of the prefabricated components according to the invention communicating with them are completely or partially filled with mortar or concrete after erecting a building or part of the building, as is the remaining volume of the other grooves provided in the end faces of the prefabricated components, that is is not already taken up by reinforcement elements or spring-like projections or wedges.
  • FIG. 1 is a perspective view of two reinforced concrete prefabricated components according to the invention which are set up next to one another and which, for the sake of clarity only, have different heights.
  • the prefabricated components are single-shell, •
  • FIG. 2 is a horizontal section through the two adjacent prefabricated components according to FIG. 1 in the region of the parting line;
  • FIG. 3 is a horizontal section through part of a building erected from several prefabricated components according to the invention with several different wall connections;
  • FIG. 4 is a schematic partial section through the connection area of a prefabricated component according to the invention designed as a solid roof element to a building ceiling made of in-situ concrete and
  • FIG. 5 is a schematic partial section of a two-shell embodiment of a prefabricated component according to the invention with connection to a floor slab of a building to be constructed from prefabricated components.
  • the reinforced concrete prefabricated components 1 designed as single-walled wall panels have essentially flat side surfaces 16, 17 and four profiled end faces 11, 12, 13, 14 each for forming positive and / or non-positive connections with adjacent components .
  • end face 11 with which the prefabricated components 1 are placed on a floor or floor slab, there is a continuous longitudinal groove 15 in the form of a concave groove (FIG. 4, 5) and in the side surface 16 there are a plurality of openings 18 communicating with the longitudinal groove 15 in the form of transverse grooves which are also formed in the end surface 11.
  • the two smaller outer longitudinal grooves 25 serve as joint locking grooves, since strip-shaped springs 27 in the form of strips of hardboard or insulation boards are inserted into them or are inserted before or after assembly, so that when the middle longitudinal grooves 24 are pressed no mortar can flow out of the butt joints 26 with mortar or concrete and cold bridges in the area of the butt joints 26 are avoided.
  • the middle longitudinal grooves 24 are formed by lost formwork elements 23 as keyways.
  • the lost formwork elements can consist of any conventional formwork material, ie of foamed or non-foamed plastic, wood or fiber materials, concrete, metal or composite materials.
  • a longitudinal groove 20 which, for reasons of simplification of manufacture, can have an identical cross-section to the groove 15, that is to say it can also be designed as a concavely curved groove, but which can also be used as a conventional one Rectangular groove, keyway or round groove can be formed.
  • a ring anchor reinforcement 9 (FIG. 4) can be inserted into the groove 20; the groove 20 also serves to receive mortar and thus to create a positive interlocking with another prefabricated component according to the invention or with a ceiling made of in-situ concrete.
  • the prefabricated components 1, 3 have one or more wedge-shaped projections 28 on at least one of the side surfaces 16, 17 and one extending in the longitudinal direction in at least one of the end surfaces 13, 14 , The dimensions of the wedge-shaped projections 28 in the cross section matched keyway 24 '.
  • the wedge-shaped protrusions 28 are preferably continuous strips which serve to interlock the individual prefabricated components and thus to form connections which are resistant to tension and compression.
  • Both the projections 28 and the keyways 24 'assigned to them are trapezoidal in cross section, and the flanks 24a of the keyways 24' are steeper than the flanks 28a of the projections 28, which leads to the self-centering of the components when the individual prefabricated components are assembled and their exact alignment easier.
  • a groove-shaped recess 36 for the right-angled connection of a further prefabricated component 29 with an essentially flat, un-profiled end surface.
  • the component 29 is screwed on the end face by means of a screw anchor 30, the head of which is countersunk in the side surface 16.
  • One of the single-shell prefabricated components 1 is provided on the outside with an insulation layer 37 (FIG. 3).
  • the residual volume of the grooves 24 not already occupied by the spring-like projections 28 in the end faces 13, 14 of the prefabricated components 3 can be filled or grouted with mortar or concrete.
  • Reinforced elements in the form of lattice girders 38 are cast in from cast concrete 5, which engage in the longitudinal groove 15 of the solid roof elements 4 and represent a tensile and pressure-resistant shear toothing.
  • the longitudinal groove 15 is pressed with mortar 10, excess mortar having emerged from the lateral openings 18.
  • the in-situ concrete ceiling 5 rests on prefabricated reinforced concrete components 1 according to the invention erected as wall elements, in the upper end face 12 of which a keyway 20 is arranged, into which a ring anchor reinforcement 9 has been inserted before the ceiling 5 is poured.
  • Basement walls are preferably constructed from sandwich wall elements 2 according to the invention (FIG. 5).
  • These two-shell prefabricated components 2 consist of a support shell 2a, an attachment shell 2c and an insulating insulation layer 2b arranged between these shells.
  • In the end face 11 of the carrier shell 2a there is again a continuous longitudinal groove 15 and several openings 18 communicating with the groove 15, which in this case cross the longitudinal groove 15 in the illustrated embodiment and extend from the inner side surface 16 to the inside of the Go through the facing shell 2c.
  • the floor cover 6 is cast from in-situ concrete, prefabricated formwork elements 31 being lost formwork for the casting the bottom plate 6 served.
  • the finished formwork elements 31 are stiffened on the inside in each case with lattice girders 34, 35 which partially protrude into the base plate 6 and thus form a serration.
  • Another lattice girder 38 is poured into the base plate 6 so that it partially projects into the concavely curved longitudinal groove 15 of the carrier shell 2a.
  • the finished formwork elements 31 are stepped outwards in such a way that they form a support for the facing shells 2c of the double-shell sandwich prefabricated components 2.
  • a cavity 33 remains between the facing shells 2c and the parts of the graded finished formwork elements 31 engaging behind them, which can either be used to ventilate the facing shell 2c or, since it communicates with the longitudinal groove 15 via the side openings 18, as this one can be filled or grouted with mortar.
  • 2 grooves 19 are provided in the end faces 11 of the prefabricated reinforced concrete components, which run parallel to the longitudinal groove 15 and can be equipped with a sealing cord or a sealing profile.
  • All aspects of the invention thus lead to a simplification and acceleration of the assembly of the prefabricated components while at the same time improving the stability of the individual elements during assembly, at the same time reducing the security effort during assembly and at the same time optimizing the shear toothing of all into one building Ready-to-erect components to be erected with each other and with the ceilings cast in in-situ concrete and with simultaneous compliance with optimal building physical conditions.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Panels For Use In Building Construction (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

L'invention concerne un élément en béton armé préfabriqué (1 à 4), notamment pour la construction d'immeubles d'habitation et de bâtiments industriels constitués de grands panneaux, qui comporte des surfaces latérales (16, 17) planes ou courbes et des bords (11 à 14) profilés afin de réaliser un assemblage par liaison de forme et/ou de force avec des éléments adjacents. Afin de rendre le montage plus rapide et d'améliorer l'imbrication avec les éléments adjacents, cet élément présente dans au moins un de ses bords (11), une rainure longitudinale (15) continue et dans au moins une des surfaces latérales (16, 17), plusieurs ouvertures (18) qui communiquent avec la rainure longitudinale (15). L'invention concerne en outre un bâtiment réalisé au moyen d'éléments en béton armé préfabriqués (1 à 4) de ce type.
PCT/EP1994/002223 1993-07-09 1994-07-07 Element en beton arme prefabrique et batiment realise au moyen dudit element WO1995002096A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP94922267A EP0663977B1 (fr) 1993-07-09 1994-07-07 Element en beton arme prefabrique et batiment realise au moyen dudit element
DE59408988T DE59408988D1 (de) 1993-07-09 1994-07-07 Stahlbetonfertigbauteil und damit errichtetes gebäude

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4323011A DE4323011A1 (de) 1993-07-09 1993-07-09 Stahlbetonfertigbauteil und damit errichtetes Gebäude
DEP4323011.3 1993-07-09

Publications (1)

Publication Number Publication Date
WO1995002096A1 true WO1995002096A1 (fr) 1995-01-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1994/002223 WO1995002096A1 (fr) 1993-07-09 1994-07-07 Element en beton arme prefabrique et batiment realise au moyen dudit element

Country Status (4)

Country Link
EP (1) EP0663977B1 (fr)
AT (1) ATE187519T1 (fr)
DE (2) DE4323011A1 (fr)
WO (1) WO1995002096A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113931327A (zh) * 2021-09-30 2022-01-14 上海宝冶集团有限公司 预制外墙水平接缝的防水工艺

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TW352398B (en) * 1995-09-08 1999-02-11 Tien Chiu Prefabricated concrete wall panels, and their process and their use on building
DE19837236A1 (de) * 1998-08-17 2000-02-24 Torsten Goenner Fertighaussystem
DE29912075U1 (de) * 1999-07-10 1999-09-09 Pilger, Martina, 57392 Schmallenberg Wandelement
EP1382759A1 (fr) * 2002-07-16 2004-01-21 Manufacture Logie, Sarl Eléments de construction préfabriqués pour la réalisation d'un bâtiment et bâtiments obtenus à l'aide des éléments préfabriqués
FR2842552A1 (fr) * 2002-07-16 2004-01-23 Manuf Logie Elements de construction prefabriques pour la realisation d'un batiment et batiments obtenus a l'aide des elements prefabriques
WO2004090249A1 (fr) * 2003-04-08 2004-10-21 Antonio Pugliese Construction au moyen d'elements de construction prefabriques
DE10320995A1 (de) * 2003-05-09 2004-11-25 Roland Wolf Stoßfugenanordnung bei einem Bauwerkteil, Betonfertigteile hierfür und Bauwerkteil mit solchen Betonfertigteilen und Stoßfugenanordnungen
DE202009011357U1 (de) * 2009-08-21 2011-01-13 Pfeifer Holding Gmbh & Co. Kg Dichtung für das Abdichten eines Vergusshohlraumes zwischen wenigstens zwei Bauteilen
TN2016000092A1 (fr) * 2013-09-27 2017-07-05 Sarrail Jean Luc Dispositif formant element mural de construction.

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DE2155456A1 (de) * 1971-11-08 1973-05-17 Siegfried Bezold Bausatz aus betonfertigteilen zum aufbau eines kellers fuer ein gebaeude
DE2715277A1 (de) * 1977-04-05 1978-10-12 Karl Becher Sandwich-bauelement sowie damit hergestellte baukonstruktion
FR2425508A1 (fr) * 1978-05-08 1979-12-07 Chandellier Antoine Procede et elements pour assurer la liaison horizontale d'elements verticaux prefabriques, en beton arme ou en beton

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113931327A (zh) * 2021-09-30 2022-01-14 上海宝冶集团有限公司 预制外墙水平接缝的防水工艺

Also Published As

Publication number Publication date
DE4323011A1 (de) 1995-01-12
ATE187519T1 (de) 1999-12-15
DE59408988D1 (de) 2000-01-13
EP0663977B1 (fr) 1999-12-08
EP0663977A1 (fr) 1995-07-26

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