EP3228773A1 - Élément de renfort - Google Patents

Élément de renfort Download PDF

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Publication number
EP3228773A1
EP3228773A1 EP17165382.7A EP17165382A EP3228773A1 EP 3228773 A1 EP3228773 A1 EP 3228773A1 EP 17165382 A EP17165382 A EP 17165382A EP 3228773 A1 EP3228773 A1 EP 3228773A1
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EP
European Patent Office
Prior art keywords
reinforcing
transverse segment
transverse
reinforcing element
reinforcement
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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.)
Withdrawn
Application number
EP17165382.7A
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German (de)
English (en)
Inventor
Daniel Hagmann
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Individual
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Individual
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Publication date
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Publication of EP3228773A1 publication Critical patent/EP3228773A1/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0636—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts
    • E04C5/064—Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars
    • 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
    • E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0627—Three-dimensional reinforcements composed of a prefabricated reinforcing mat combined with reinforcing elements protruding out of the plane of the mat
    • 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
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0645—Shear reinforcements, e.g. shearheads for floor slabs

Definitions

  • the invention relates to a reinforcing element, in particular reinforcing element for inserting and fixing the position of linear elements such as pipes and / or pipes in floors, walls, ceilings and / or beams of buildings.
  • the invention relates to a closure element and a combination of a reinforcing element with a closure element and a system for shear reinforcement of floors, walls, ceilings and / or beams.
  • Structural elements in concrete construction especially floors, walls, ceilings and / or beams not only assume static functions, but also serve to accommodate various line-like deposits, such as pipes for ventilation and / or plumbing, electric lines or other lines.
  • Reinforcement elements are known from the prior art, which can be applied and fixed on existing base reinforcement layers.
  • the stirrup cage consists of individual stirrups, which are welded together with longitudinal reinforcement bars to a basket.
  • the inner reinforcement cage consists of the longitudinal reinforcement, which are joined together by connecting rods to mat-like reinforcement layers and can be adapted and inserted by subsequent bending of the connecting rods to the geometry of the ironing cage.
  • the reinforcing cage is formed from a plurality of brackets, which are connected to each other at the opposite corner areas by a respective longitudinal reinforcing rod.
  • the brackets can form a round, square, rectangular or even triangular circumference.
  • Several such baskets can be prefabricated and stacked for transport.
  • the DE 2229 093 shows a mounting element for a reinforcement or a reinforcing element in reinforced concrete construction.
  • the mounting member includes guides in which the reinforcing bars are releasably inserted and fixed with tie wire or by bending the end portions of the guides.
  • the guides may consist of two parallel bars, which are fixed by at least one longitudinal bar arranged transversely thereto. Several, such parallel bars can be arranged side by side and form a kind of mat. This mat can be used to form a uniform longitudinal reinforcement layer of a plate or the like.
  • a fixation for built-in parts in reinforcements is disclosed.
  • the fixation is done with the help of a built-in part, which comprises at least four fixing rods and which are connected to each other via a crossbar in the form of a transverse bar.
  • a second, angular ausgestaltetes fitting is laterally between the fixing rods inserted and can then be secured in position with Rödeldraht.
  • This construction of the two built-in parts can be inserted into an existing base reinforcement of a ceiling, with areas of the angled insert pierce the existing reinforcement layer in the direction of the concrete cover.
  • the publication "deposits in concrete floors” of the company BASYS AG, to the aforementioned WO2014 / 006453 A1 is identical, shows a shear reinforcement for deposits such as ventilation and electric pipes in concrete ceilings.
  • This is one-piece and can also be formed in two parts, consisting of a foot and a cover part.
  • the foot part has two parallel oriented reinforcing bars, which are arranged in a V shape and connected at their ends such that a continuous bent reinforcing bar forms this double V shape.
  • the cover part has the same basic shape as the foot part and is placed in a horizontally mirrored position on the foot part.
  • the shear reinforcement is laid in the basic reinforcement such that the vertex of the foot does not rest in the region of the reinforcing bars of the basic reinforcement, but protrudes through the interstices of the basic reinforcement. Therefore, somewhat spaced from the apex of the V-shaped reinforcing bars, transverse and longitudinal reinforcing bars are welded to the base so that the shear reinforcement does not completely pass through the base reinforcing layer.
  • the shear reinforcement is therefore firmly coupled in its orientation to the base reinforcement and must be aligned according to this, a flexible free alignment of a course of a pipe or a pipe in a concrete floor or wall is not possible with this system.
  • the WO 99/27 210 A1 discloses a truss-like reinforcing mat and a method of making the same.
  • the individual transverse rods are trapezoidal in this case, wherein all transverse rods are arranged in parallel and have the same geometry, so that the reinforcing mat forms a kind of waveform or meandering shape.
  • the meandering reinforcement can be made from a flat reinforcement mat. A use for inserting pipes or pipes is not disclosed.
  • a reinforcing element for beams and stands for reinforced concrete structures is disclosed.
  • a kind of reinforcing mat is welded with orthogonal longitudinal and transverse bars, which is then bent into a basket shape.
  • the individual elements can be transported stacked in each other.
  • Two such basket shapes can be mirrored to each other nested and form a stand or beam reinforcement.
  • the reinforcing element is considered for reinforcement for stands or beams, an introduction of pipes or pipes is not considered.
  • the DE 26 26 693 A1 describes a reinforcement for metal pipes, which are used as underwater pipes.
  • the reinforced concrete cladding serves as corrosion protection.
  • at least every second row of stitches is deformed in such a way that spacers are produced from the deformed rods.
  • the reinforcing mat can then be wrapped around the metal tube, with the spacers providing a constant distance between the tube surface and the reinforcement. An insertion of lines in these deformed meshes of the reinforcing mat is not provided.
  • the AT 244 557 B shows a truss-like reinforcement cage for concrete floors or the like, in which the longitudinal and transverse bars are made of steel with different levels of quality.
  • the longitudinal bars are made of high quality steel, so that the longitudinal bars have a high tensile strength and therefore can remove high loads.
  • reinforcement baskets can be made with such longitudinal and transverse bars of welded reinforcing mats with rectangular meshes and formed into v-, u- or m-shaped reinforcement cages.
  • the curved cross bars are all arranged on the outside or inside of the reinforcement cage. An introduction or Heilfixieren of lines or the like in this reinforcement cage is not mentioned.
  • the DE 71 44 768 U shows a reinforcing mat, comprising the zigzag-shaped rods drawn out of the support plane, which serves to establish a distance to a floor surface and to create a support framework.
  • reinforcing elements for pipe inserts and the like are coupled to the design of the concrete components or to the orientation of the base reinforcement.
  • a flexible, independent of the basic reinforcing rods fixing or laying of the reinforcing elements can not be made possible by this and a sufficient concrete cover can not always be guaranteed.
  • the object of the invention is therefore to propose a reinforcement for a concrete component with line-like deposits, which produces a secure carrying behavior with possible shear resistance of 100% of the undisturbed, normally reinforced cross section, with controlled positional securing of horizontally or vertically laid, line-like deposits. Furthermore, it is the object of the invention to ensure the alignment of the line-shaped, curved or rectilinear inserts regardless of the direction of the rods of the basic reinforcement in a floor, a wall, ceiling or a carrier, despite inserted reinforcement sufficient concrete cover at each point of the Surface of the device is guaranteed. Furthermore, the concrete should still be able to be sufficiently compacted after the introduction.
  • the invention relates to a reinforcing element, in particular a reinforcing element for inserting and fixing at least one line-like element, in particular at least one line and / or at least one tube in floors, walls, ceilings and / or beams of buildings, especially floors, walls, ceilings and / or beams in solid construction.
  • the reinforcing element comprises at least one transverse segment, which consists of at least two truss struts inclined relative to each other at an angle ⁇ and at least one support strut, which are connected to one another and arranged in a transverse plane.
  • the reinforcing element comprises at least two horizontal longitudinal struts, in particular reinforcing bars which are arranged orthogonal to the transverse segment and connected thereto, wherein the longitudinal struts on an existing Grundbewehrungslage comprises the lattice-like arranged basic reinforcement bars, the floor, the wall, the ceiling and / or the support can be placed so that the transverse segment can be aligned in any orientation on the lattice-like basic reinforcement bars of the base reinforcement layer and the transverse segment does not pass through the base reinforcement layer in the direction of a surface of the floor, the wall, the ceiling and / or the support, and at least one line-like element between the truss struts of the transverse segment can be inserted.
  • the anchoring of the transverse segment ie the connection region or connection node, in which the transverse segment rests and is connected to a lower and possibly also upper base reinforcement layer and can be fastened if necessary, is chosen such that the base reinforcement layers are not pierced at any point, but in the levels of the ground reinforcement situation ends.
  • the truss braces extend in such a way that their respective dead centers facing the base reinforcement layer (beginning of a strut of the transverse segment or arc or angle of the transverse segment or truss) lie in a plane of the ground reinforcement rods when resting on a base reinforcement layer or when hitting an upper base reinforcement layer.
  • the ground reinforcement layer typically comprises two levels of ground reinforcing bars, each level having a plurality of parallel aligned bars, and the two levels are generally oriented at right angles to each other.
  • the anchoring can be cantilevered onto a base reinforcement layer and thus introduced between the embedding reinforcement layers, and can optionally be provided, for example, by tie wire, welded connection or other frictional fastenings, at least at the bottom Grundbewehrungslage, advantageously also be attached to an upper ground reinforcement layer to obtain a mechanically stable and fixed structure that can be aligned in any direction over the Grundbewehrungslagen. The laying direction is thus not bound to an orientation of the reinforcing bars of the basic reinforcement.
  • a reinforcing element according to the invention makes it possible to position and plan in a positional manner and to arrange line-like elements, such as, for example, tube inserts or conduits in a building ceiling or building wall.
  • line-like elements such as, for example, tube inserts or conduits in a building ceiling or building wall.
  • Such reinforcing elements provide additional reinforcements, so-called shear reinforcements, in the region of the line-like deposits and allow storage of the linear tube inserts or lines in the axis of gravity of a building ceiling or building wall.
  • line-like inserts can be introduced between the upper or lower basic reinforcement layer of the building ceiling or building wall and secured against buoyancy.
  • the full load capacity of the floor, the wall, the ceiling and / or the support in the sense of current standards, such as the Swiss standard SIA or Eurocode 2 can be achieved.
  • the ductility of the building wall or building ceiling can be increased, whereby the cracking minimized and spontaneous failure of the building ceiling or building wall is excluded.
  • Soils, walls, ceilings and / or support with such reinforcing elements therefore have a high serviceability.
  • Such reinforcing elements according to the invention can be prefabricated and then transported on site to the site. This allows easy use by the construction planner and flexible use on the job site.
  • a thrust reinforcement according to the invention for pipe inserts or pipes can also be used in gradient, ie in particular in floors, walls, ceilings or beams, which is particularly interesting for sanitary pipes, which are forced to go downhill.
  • An inventive reinforcing element can in this case be laid independently of direction or applied, that is, regardless of the direction or position of the basic reinforcement of the soil, the wall, the ceiling or the carrier.
  • the Grundbewehrungslage consists of individual, usually lattice-like arranged basic reinforcement bars.
  • the reinforcing element can be placed on these basic reinforcing rods such that the transverse element and the longitudinal struts are arranged at an arbitrary angle with respect to the basic reinforcing rods. This is made possible that the transverse segment does not interfere with the basic reinforcement, d. H. does not pass through the basic reinforcement bars in the direction of the surface of the component.
  • the reinforcing element is laid completely above the lower base reinforcement layer or below the upper base reinforcement layer and thus in the middle region of the component, so that the concrete cover in the areas in which the reinforcing element is arranged in the component, continues to be ensured.
  • the reinforcing element can be laid and / or fixed in any direction on the base reinforcement.
  • the leadership of the lines and pipes that are embedded in a concrete element regardless of the direction of the basic reinforcement bars.
  • a laying of the pipes or pipes is possible in any direction and at any angle with respect to the basic reinforcement bars.
  • a reinforcing element according to the invention between the second and the third layer of the basic reinforcement in the so-called light space is arranged, the transverse segments do not reach through the Grundbewehrungslage in the direction of the surfaces of the concrete wall or concrete pavement.
  • the concrete cover continues to be ensured with respect to the base reinforcement layer in all areas of the surface.
  • Pipe inlays having a radius greater than the radius in the region of the transition region between the truss braces, which are arranged at an angle ⁇ to each other, are therefore arranged by inserting between the truss struts of the transverse segment at a distance with respect to the base reinforcement.
  • tube inserts which represent a relatively large material weakening due to their relatively large diameter, automatically further spaced from the Grundbewehrungslage and arranged closer to the region of the longitudinal axis of the component.
  • a reinforcing element according to the invention in a concrete floor or concrete wall also ensures sufficient compaction of the concrete with a grain diameter of 0 mm to 32 mm fractiles.
  • the reinforcing element could also be referred to as a tube liner reinforcement, tube liner reinforcement, or as a liner shear reinforcement.
  • Usual floors or ceilings have a thickness of 24 cm to 28 cm, in particular 25 cm.
  • An inventive reinforcing element is also suitable for thicker ceilings or floors.
  • the usual ventilation hoses which are laid in concrete ceilings, have a diameter of 75 mm to 90 mm, sanitary pipes of about 110 mm.
  • Such ventilation hoses or sanitary pipes can be installed in the floors, walls, ceilings and / or beams just mentioned.
  • electric or Sanipex pipes can be inserted.
  • the reinforcing element can therefore consist of reinforcing bars with a diameter of preferably 8 mm to 12 mm, in particular 8 mm. Likewise, the use of other diameters is possible.
  • the truss braces of the transverse segment may have an inclination of 30 ° to 90 °, in particular 70 ° with respect to the base reinforcement layer, in particular the inclination is 60 °.
  • the angle ⁇ describes the angle between the at least two truss struts, where ⁇ is consequently between 40 ° and 120 °, preferably at 60 ° or 45 °.
  • the support struts of the transverse segment can be arranged orthogonally or likewise inclined to the base reinforcement layer. If the support struts are inclined, they have an inclination between 0 ° and 45 °, preferably 2 °.
  • the truss braces and the support struts can be designed as a one-piece component or welded together.
  • the horizontal longitudinal struts may be 29scmother with the transverse segment, wherein the horizontal longitudinal struts may be attached to the support strut and / or at least one truss strut.
  • a transverse segment with two truss struts and a support strut has a width of 20 cm to 50 cm, in particular 30 cm to 40 cm, preferably 34 cm.
  • Particularly results for transverse segment of two by an angle ⁇ 60 ° to each other inclined truss braces and two inclined by an angle of 2 ° to a vertical support struts a width of 34 cm.
  • a transverse segment comprising eight truss struts and two support struts of the above inclination, thus has a width of 115.6 cm.
  • the height of the transverse segment is 15 cm to 20 cm, in particular 17 cm.
  • the upper edge of the transverse segment is preferably the third Position of the base reinforcement in contact, the at least two horizontal longitudinal struts, which are connected to the transverse segment, preferably lie on the second layer of the base reinforcement.
  • the transverse segment and / or the horizontal longitudinal struts can be fixed to the basic reinforcement with tie wire.
  • the arrangement of spacer baskets for supporting the upper base reinforcement layer can be dispensed with if the height position of the transverse segments is adapted to the vertical position of the upper base reinforcement layer.
  • the line-like inserts can be inserted between the at least two truss struts or between a truss strut and the at least one support strut and are preferably arranged orthogonal to the transverse segment.
  • the transverse segment can be rectilinear or angled.
  • the transverse segment has two support struts.
  • the horizontal longitudinal struts may be connected to the support strut and / or at least one truss strut and / or in the transition region support strut to the truss strut and / or in the transition region of the two truss struts with the transverse segment.
  • the longitudinal strut can be detachably or non-detachably connected to the transverse segment or arranged there.
  • the transverse segment may comprise at least one lower chord in the form of a single element or a grid-like mat as a horizontal support for the at least one line-like element, wherein the lower chord intersects the at least two truss struts and is releasably or permanently connected to the transverse segment.
  • the lower flange is preferably arranged in a different altitude than the longitudinal struts on the transverse segment, whereby the line-like element can be placed at an arbitrary altitude with respect to the transverse segment.
  • such a lower flange represents a further reinforcement layer for the basic reinforcement in the region of the line-like insert.
  • Such a lower belt can also be referred to as a truss belt and have the same wire or reinforcing bar diameter as the transverse segment.
  • the lower chord can be fixed at any height to the support struts and / or truss braces, in particular welded or attached with wire rod.
  • the line-like deposits can rest on the lower flange and thus be placed at a certain height. If the bottom flange is formed as a mat, this has transverse and longitudinal struts. When inserting the mat into the reinforcing element, the longitudinal struts lie on the transverse segment in such a way that the mat can be stored loosely at a certain height.
  • a mat does not need to be welded to the reinforcing element and can be fixed with tie wire.
  • a second lower belt above the line-like element in the form of a grid-like mat or as a single element can be inserted.
  • This second lower flange forms a further reinforcement layer to the upper base reinforcement layer, secures the line-like element against buoyancy and could also be referred to as upper chord.
  • the line-like element can be inserted and / or storable centrally between an upper edge and a lower edge of the reinforcing element.
  • an equal distance to the upper or lower basic reinforcement layer of the ceiling, the floor and / or the wall can be achieved.
  • a sufficient concrete cover is guaranteed.
  • the central position can be achieved, for example, by the position of the lower belt or by adjusting the inclination of the truss struts tangentially to a certain diameter of the pipe inserts.
  • the reinforcing element may consist of at least two transverse segments, preferably two to ten transverse segments, in particular at least three, particularly preferably seven transverse segments, which are arranged in parallel.
  • the at least two horizontal longitudinal struts can establish a connection between the at least two transverse segments and form a basket shape.
  • the distances between the two transverse segments are preferably between 10 cm and 20 cm. In particular, a distance of 15 cm is desired.
  • a basket-like reinforcing element with seven transverse segments with a respective distance of 15 cm results in a total length of 0.9 m. With such basket-like segments also radii or paths can be laid.
  • Several such elements are lined up in basket shape. This allows a shear reinforcement for linear as well as curved line-like elements.
  • Such a reinforcing element in basket shape can also be installed and / or fixed in any direction on the lower layer of the base reinforcement and is therefore also independent of direction of the basic reinforcement layer.
  • the transverse segment is formed in one piece, in the form of a continuous, wave-shaped element.
  • Such an element in such a geometry is easy to produce and allows a high degree of prefabrication.
  • the radii between truss brace and support strut are dependent on the inclination of the truss struts and / or the diameter of the truss struts and support struts.
  • the transverse segment of the reinforcing element may comprise at least three truss struts, preferably four to ten truss struts, so that at least three intermediate spaces are formed, in each of which at least one line-like element can be inserted. This allows laying a large number of line-like elements parallel to each other. Likewise, horizontal longitudinal struts of the reinforcing element can be saved. A plurality of line-like elements can thus be laid parallel and at the same distance from each other within a floor, a wall, a ceiling and / or a carrier.
  • the invention further relates to a closure element for releasably closing a transverse segment and for defining a gap to a reinforcing element.
  • the closure element has at least one transverse segment and two horizontal longitudinal struts, in particular reinforcing bars. These effect a position assurance of the closure element with respect to the reinforcing element, wherein a gap, in particular a diamond-shaped gap, triangular space or arcuate space for receiving at least one line-like element between at least one transverse segment of the reinforcing element and the closure element is formed by the transverse segment.
  • the closure element is inserted into the reinforcing element from above or, in the case of a wall, from the side in the case of a floor or a ceiling. Beforehand, the tubes or lines between reinforcing element and closure element are inserted.
  • a combination of at least one closure element and at least one reinforcing element can be laid in the clearance between the second and third layer of the base reinforcement of a floor, a wall or a ceiling.
  • the transverse segments of the closure member and the reinforcing member may be placed directly adjacent to contact or spaced apart.
  • the transverse segments and / or the horizontal longitudinal struts of both elements can be fastened to one another, preferably with tie wire.
  • the line-like element can also be secured against lifting or buoyancy. If a plurality of individual line-like elements are stored in such a space, they can be laid very well bundle-like and fixed in position by such a closure element.
  • the closure element When executed with more than one transverse segment, the closure element has a so-called basket shape.
  • the transverse segment of the closure element may be formed as a straight or curved rod, in wave form, U-shape or V-shape, or consist of a juxtaposition of waveform, U-shape and / or V-shape.
  • the width of the transverse segment of the closure element may correspond to the width of the transverse segment of the reinforcement element.
  • Such transverse segments can be very easily produced or produced and transported to save space on the construction site. If a plurality of reinforcing elements are placed behind one another or next to one another, a separate, identical closure element is preferably assigned to each one.
  • the closure element may comprise at least one transverse segment consisting of at least two truss struts inclined relative to one another at an angle ⁇ and at least one support strut connected to each other and at least two horizontal longitudinal struts, in particular reinforcing bars, orthogonal to the transverse segment are arranged and connected to this.
  • the at least one line-like element can be inserted between the truss braces of the transverse segment and an existing base reinforcement layer of the ceiling, the floor or the wall can be placed on a top edge of the closure element or the reinforcement element.
  • the transverse segments of the closure member and the reinforcing member may be placed directly adjacent to contact or spaced apart.
  • each reinforcing element can be provided with a closure element. It can also only partially closure elements are mounted and further reinforcing elements remain without closure element.
  • the reinforcing element and the closure element may have a different number of truss struts and / or support struts. Preferably, the angle ⁇ between the at least two truss struts is 45 ° or 60 °. Likewise, angles of 90 ° between two adjacent truss braces are possible.
  • the invention furthermore relates to a stack configuration comprising at least two reinforcement elements and / or two closure elements. It is proposed that the two reinforcing elements and / or at least two closure elements can be transported stackable in one another, so that the transverse segments can be arranged parallel to one another. Due to the high degree of prefabrication of the reinforcing elements according to the invention, a simple and space-saving transport to the construction site can thereby be achieved.
  • the support struts are inclined at an angle of approximately 2 ° with respect to a vertical in order to prevent jamming of the individual reinforcing elements with each other.
  • the horizontal longitudinal struts need be arranged on the outside of the transverse segments to ensure an arrangement as a stack.
  • the invention further relates to a combination of a reinforcing element and a closure element.
  • the transverse segment of the closure element comprises at least one upper flange in the form of a single element or a grid-like mat, wherein the upper flange is detachably or non-detachably connected to the transverse segment of the closure element.
  • Such a combination can be installed in the clearance between the second and third layers of the base reinforcement.
  • By forming a top chord an identical shear reinforcement with respect to the top edge or bottom edge of the ceiling or the bottom or the front or back of the wall can be achieved. This is particularly advantageous for ceiling structures that are designed as cantilever and are stressed by a tensile stress on the top.
  • the reinforcing element When installing a combination according to the invention, the reinforcing element is first placed on the lower base reinforcement layer and inserted into this one or more line-like deposits. Subsequently, the closure element is pushed vertically onto the reinforcing element.
  • the transverse segments of both elements can be installed directly with each other or with a certain distance from each other.
  • the top flange can either be already welded to the transverse segment of the closure element or subsequently be placed on the closure element in the form of a grid-like mat. If the reinforcing element is formed with a bottom flange, the bottom flange and the top flange can be formed from a structurally identical mesh-like mat. Such a mat can be fixed with tie wire to the respective transverse segment.
  • both elements are designed as a basket shape and therefore consist of several transverse segments. Several such combinations can be arranged side by side or one behind the other in the ceiling or the wall and follow the complete course of the linear inserts.
  • the reinforcing element and closure element can also be designed to be identical and thus be replaced with each other.
  • the invention further relates to a system, in particular a reinforcement system for shear reinforcement of floors, walls, ceilings and / or beams of buildings, especially floors, walls, ceilings and / or beams in solid construction, in which at least one line-like element, in particular at least one line and / or at least one pipe, is installed.
  • This system comprises at least one reinforcing element and a closure element. It is suggested that in installed state in a floor, a wall, a ceiling and / or a support an upper edge of the system with an upper reinforcement layer of a base reinforcement and a lower edge of the system with a lower reinforcement layer of a base reinforcement in contact.
  • the individual reinforcing elements can be fixed together with tie wire.
  • the spacer baskets for supporting the upper base reinforcement layer can be omitted in the region of the reinforcing elements by the existing closure element.
  • the height of the system can be 15 cm to 20 cm, in particular 17 cm.
  • the closure element and / or the reinforcing element at least one, preferably two additional horizontal struts, in particular reinforcing bars comprises, which are arranged orthogonal to the transverse segment of the reinforcing member and connected thereto, wherein these are arranged on each truss strut and serve during assembly of the closure element with the reinforcing element in the intermediate space as a support of the closure element on the reinforcing element.
  • the additional horizontal longitudinal struts are preferably arranged in the assembled state in the corner regions of the diamond-shaped intermediate space.
  • the deflection in the longitudinal direction of a transverse segment relative to an adjacent transverse segments can thus be minimized, since the transverse segments mutually support one another.
  • the system thus experiences a lower deflection in the longitudinal direction of the transverse segments.
  • the central storage of line-like deposits in the ceiling or the wall can be ensured.
  • the system may be designed such that in the installed state, the closure element and the reinforcing element overlap such that at least a first space for insertion of at least one line-like element and at least a second, adjacent gap is formed, in which another line-like element, in particular a horizontal reinforcing element can be inserted, wherein preferably the second intermediate space has a smaller size than the first intermediate space.
  • the second intermediate space may in this case be smaller by a multiple than the first intermediate space and only slightly exceed the diameter of the insertable reinforcing element.
  • the respective area of the reinforcing element and of the closure element for inserting the line-like elements in the respective height is made smaller than the line-like element.
  • This height of Range is determined, for example, by the distance between the lower flange and an upper edge of the reinforcing element. Only when installed, the total height for insertion of the line-like element is achieved.
  • the transverse segments of the reinforcing element and the closure element overlap only in a small area. This area describes the second space. In the at least one adjacent region, in which the transverse segments do not overlap, the line-like insert is inserted. This area describes the first space.
  • Fig. 1 shows a single-frame carrier as an example of a ceiling 20 with built-in linear insert 14 in the form of a pipe 18 under constant load q.
  • cracks often form in the region of the greatest transverse forces, which usually run obliquely to the carrier axis.
  • a failure by such thrust cracks is usually brittle and lightning-like. Such failure occurs without notice of the breach. Since the force transfer is very limited, hardly occur deformations to the break itself. In such a fracture, the critical shear crack can occur in the pressure zone of the reinforced concrete beam, ie be visible on the top of the reinforced concrete beam, resulting in a sudden failure. In order to prevent such a failure, a sufficient shear reinforcement must be introduced in the area of the pipe insert.
  • Fig. 2 shows a comparable single-field carrier as Fig. 1 in which, however, four tube inserts 18 are introduced. Under load shear cracks are comparable to Fig. 1 also oblique to the carrier axis and along the four tube inserts.
  • FIG. 3 is an enlargement of the section A from Fig. 2 shown.
  • the illustration shows a strut framework model after Mörsch, which serves to describe the power flow.
  • Compression and tension belt shown as compression D1 and tensile force Z1
  • Z1 the contact force
  • the contact force F1 is shown.
  • the diagonal struts are shown as dashed lines, the tension struts as black arrows, which run at an angle ⁇ and ⁇ .
  • ⁇ 45 °, for ⁇ different assumptions can be made.
  • the model was derived from fracture images of tests on beams and is based on the main stress pattern.
  • the Figs. 4a, 4b and 4c show first embodiments of a reinforcing element 10 according to the invention for absorbing the forces in the tension struts Fig. 3 .
  • the reinforcing element 10 comprises a support strut 26 and two truss braces 24.
  • the reinforcing element 10 comprises two horizontal longitudinal struts 28. All Components are designed as reinforcing bars 30.
  • These horizontal longitudinal struts 28 are connected to the transverse segment 22, consisting of support strut 26 and truss struts 24, wherein the transverse segment 22 is formed as a wave-shaped one-piece element 46.
  • Fig. 4a shows two juxtaposed reinforcing elements 10.
  • a reinforcing element 10 is laid, then inserted a line-like element 14 and then laid the second reinforcing element 10. This process can be repeated as often as desired.
  • the longitudinal struts 28 can be connected to the transverse segment 22 at any desired location.
  • the in the respective Fig. 4b or 4c The longitudinal strut 28 shown on the left is arranged in each case in the transition region of the support strut 26 to the truss strut 24, or in the transition region of the two truss struts 24.
  • Such a reinforcing element 10 replaces a reinforcing element 12 to form a sufficient shear reinforcement of line-like elements 14 Fig. 1
  • the line-like elements 14 are shown in the form of lines 16 and a tube 18, respectively.
  • the angle ⁇ has values between 40 ° and 120 °, in particular with 45 ° ⁇ ⁇ ⁇ 60 °.
  • Fig. 5 shows a system 74 or reinforcement system 80, consisting of a reinforcing element 10a and a closure element 10b, which are each formed in basket shape 44.
  • Each transverse segment 22 of the reinforcing element 10a are of identical design and each consist of two support struts 26 and two truss struts 24.
  • the cross struts 50 of the closure element 10b each consist of two truss struts 24th and two straight bar sections 62.
  • the upper flange 37 and the lower flange 38 are each in the form of a mat 39, so that it cuts the truss struts 24 in the installed state.
  • the mats 39 consist of two longitudinal struts 39b and a plurality of transverse struts 39a.
  • All transverse segments 22, 50 of a reinforcing element 10a or of a closure element 10b are connected to each other by horizontal longitudinal struts 28 in the form of reinforcing bars 30. These horizontal longitudinal struts 28 may be in contact with a lower or upper layer of the base reinforcement (not shown).
  • the reinforcing element 10a is first inserted, then a mat 39 as Untergurt 38, subsequently inserted the line-like element 14, consisting of a line 16 or a pipe 18 between the truss struts 24. Then, the closure element 10b can be inserted vertically above the reinforcing element 10a.
  • the mats 39 each consist of two longitudinal struts 39b and a plurality of transverse struts 39a, wherein the number of transverse struts 39a corresponds to the number of transverse segments 22, 50 of the reinforcing element 10a or of the closure element 10b.
  • a diamond-shaped gap 58 is formed (not visible in this illustration as an exploded view).
  • Fig. 6 is a sectional view through a ceiling 20 shown.
  • the illustration shows the state before installation of the closure element 10b.
  • the illustration shows the reinforcing element 10 a in the installed state in a ceiling 20, wherein the horizontal longitudinal struts 28, designed as reinforcing bars 30, of the reinforcing element 10 a rest on the base reinforcement layer 32.
  • the transverse segment 22 also extends completely above the base reinforcement layer 32 or the basic reinforcement rods.
  • This base reinforcement layer 32 represents the first and second reinforcement layer of the lower base reinforcement 36 of the ceiling 20.
  • the transverse segment 22 lies above this basic reinforcement in such a way that it does not reach through the base reinforcement rods in the direction of the surface of the component even in the vertex region of the V-shape.
  • the concrete cover in the region of the transverse segment 22 is therefore not influenced or reduced by the transverse segment 22.
  • the lower flange 38 can be inserted in the form of a mat 39 in the reinforcing element 10b and then a line 16 are inserted.
  • the transverse segment 22 of the closure element 10b is designed as a V-shape 70 with two straight bar sections 62 and is subsequently attached to the reinforcing element 10a such that the truss struts 24 of the two respective transverse segments 22, 50 intersect.
  • Fig. 7 shows a laying system for a combination of a reinforcing element 10a and a closure element 10b for a ceiling 20, wherein the ceiling 20 may have a ceiling thickness of 25 cm.
  • the laying system consists of the six individual steps 1 to 6.
  • Step 1 shows the reinforcing element 10a before installation and in the installed state in the ceiling.
  • the reinforcing element 10 a rests on the lower base reinforcement layer 32, 36 and can be laid independently of the direction of this base reinforcement layer 32, 36.
  • step 2 the insertion of a mat 39 to form a lower chord 38 for the reinforcing element 10a follows.
  • step 3 the line 16 or the tube 18 is already inserted, wherein the line 16 is arranged centrally between the upper edge 40 and the lower edge 42 of the reinforcing element.
  • step 4 the closure element 10b is placed above the reinforcing element 10a, wherein in step 5 it is placed from above onto the reinforcing element 10a, whereby the installed state 82 is shown.
  • step 5 the introduction of a another mat 39 for forming a top flange 37 for the closure element 10b.
  • the two mats 39 lie with the longitudinal struts 39b respectively on the transverse segments 22, 50 of the element 10a and 10b.
  • step 5 and 6 the space 56 in the form of a diamond-shaped gap 58 is visible.
  • two spaces 56 are formed with pentagonal cross-section, in which also line-like elements 14 can be inserted or inserted from the side.
  • Fig. 7 shows that the complete laying system is arranged in the clearance between the upper and lower ground reinforcement layers 32, 34, 36. Neither the transverse elements 22 nor the longitudinal struts 28 engage in the direction of the component surface of the ceiling 20 through the basic reinforcement rods of the base reinforcement 32, 34, 36.
  • Fig. 8 shows comparable to Fig. 7 a laying system for a version of a ceiling 20 with a ceiling thickness of 35 cm. Shown are the four steps: inserting the reinforcing element 10a in the ceiling 20, inserting the lower flange 38 and the tube insert 18, aligning the closure element 10b above the reinforcing element 10a and inserting the closure element 10b in the ceiling 20. In a further step may also upper chord 37 are placed in the form of a mat 39 on the closure element 10b (not shown). Also in this embodiment, the installation system is in the installed state completely between the upper and the lower base reinforcement layer 32, 34, 36, wherein neither the transverse segments 22, nor the longitudinal struts 28 in the base reinforcement 32, 34, 36 engage.
  • FIG Figs. 9a to 9d show a stack configuration 71 of two closure elements 10b, Figs. 9c and 9d two stacked reinforcing elements 10a.
  • the horizontal longitudinal struts 28 are mounted on the respective outer side of the support struts 26 or truss struts 24, so that the elements 10a and 10b are stackable.
  • the support struts 26 have a slope of 2 ° in order to ensure a trouble-free dismantling of the stack.
  • a further embodiment of a reinforcing element 10a and a closure element 10b is shown.
  • the reinforcing element 10a consists of two support struts 26 and four truss braces 24.
  • the closure element 10b also has four truss struts 24 and two straight bar sections 62.
  • the reinforcing element 10a has two additional reinforcing elements for resting on the base reinforcement 32, which are each arranged in the transition region between two truss braces 24.
  • Step 2 and 3 shows the execution of a lower belt 38 in the form of a mat 39. In the installed state 82, shown as step 4, thus creating several spaces 56.
  • a further step as well as a top flange 37, comparable to Fig. 7 be installed in the form of a mat 39 (not shown).
  • Fig. 11 is comparable to Fig. 10 , a reinforcing element 10a and a closure element 10b.
  • the reinforcing element 10a and the closure element 10b each have six truss struts 24.
  • step 3 In the installed state 82, shown as step 3, thus resulting in five diamond-shaped spaces 58 and two other spaces 56 in the edge region.
  • Fig. 12 is shown another built-in state, wherein the second mat 39 is additionally shown separately to form the upper belt 37.
  • the closure element 10b has two additional horizontal struts 84 in the form of reinforcing bars 86.
  • these reinforcing bars 86 rest on the reinforcing element 10a and constitute a vertical or horizontal bearing.
  • a constant distance between the reinforcing element 10a and the closure element 10b is ensured.
  • These reinforcing bars 86 run parallel to the horizontal longitudinal struts 28.
  • the reinforcing bars 86 are welded to the transverse segment 22, more precisely to the truss struts 24 of the closure element 10b.
  • FIG. 5 to 12 show reinforcing elements 10a, in which the support struts 26 have a slope of 2 ° with respect to a vertical axis. In the following illustrations, embodiments with vertical support struts 26 are shown.
  • Fig. 13 shows a system 74 or reinforcement system 80, consisting of a reinforcing element 10a and a closure element 10b, which are each formed in basket shape 44.
  • Each transverse segments 22 are of identical design and each consist of two support struts 26 and two truss braces 24. Furthermore, each transverse segment 22 has a top flange 37 and bottom flange 38, the truss struts 24th cuts and attached to the support struts 26, for example welded. All transverse segments 22 of a reinforcing element 10a and a closure element 10b are connected to each other by horizontal longitudinal struts 28 in the form of reinforcing bars 30.
  • the reinforcing element 10a is identical to the closure element 10b.
  • the line-like element 14 consisting of a conduit 16 or a tube 18 inserted between the truss braces 24 and then the closure element 10b symmetrically inserted above the reinforcing element 10a vertically.
  • a diamond-shaped intermediate space 58 is formed (not visible in this illustration as an exploded view).
  • Fig. 14 are two embodiments, each consisting of a reinforcing element 10a in the form of a reinforcing element 12 and a closure element 10b shown.
  • the closure element 10b in Fig. 14a has a transverse segment 50 in V-shape 70 and two horizontal longitudinal struts 52. In the installed state 82, these horizontal longitudinal struts 52 are also on the base reinforcement layer 32 of the ceiling. In Fig. 14b In the installed state 82, these horizontal longitudinal struts 52 are in contact with the support struts 26 of the reinforcing element 10a and provide a positional securing of the closure element 10b with respect to the reinforcing element 10a.
  • Figs. 15 to 17 are further embodiments, consisting of a reinforcing element 10a and a closure element 10b shown.
  • the closure element 10b in Fig. 15 is formed as a straight rod 62.
  • the closure element 10b consists of a transverse segment 50 in U-shape 68.
  • the horizontal longitudinal struts 52 of the closure elements 10b in FIGS. 15 and 16 each serve to secure the position of the closure element 10b with respect to the reinforcing element 10a, wherein the horizontal longitudinal struts 52 are in contact with the support struts 26 of the reinforcing elements 10a.
  • the transverse segment 50 of the closure element 10b is formed in a V-shape 70.
  • the reinforcing element 10 a in the Figs. 15 to 17 is designed with a lower flange 38.
  • Fig. 18 shows a system 74, consisting of a reinforcing element 10a and a closure element 10b, which are each carried out with a top flange 37 and bottom flange 38.
  • the upper flange 37 and lower flange 38 is mounted in approximately 1/3 of the height of the support struts 26.
  • a line-like element 14 or a pipe 18 is thus on the lower flange 38 and is secured from the top by the upper flange 37 against buoyancy.
  • FIG. 19 shows a system 74 consisting of a reinforcing element 10a and a closure element 10b, wherein both elements 10a and 10b three truss struts 24 has.
  • the upper flange 37 and lower flange 38 of each element 10a and 10b is attached to approximately 1/3 of the height of the support struts 26.
  • two diamond-shaped intermediate spaces 58 and a triangular-shaped intermediate space 60 are formed. In each of these intermediate spaces, a pipe 18 or a pipe 16 is introduced.
  • FIG. 20 shows an embodiment in which the reinforcing element 10a and the closure element 10b with very wide inclined support struts and identical design as a combination 72 is executed.
  • the tube 18 or the line 16 has a greater height than the truss struts 24 of the reinforcing element 10a and the closure element 10b.
  • the transverse segments 22 of the reinforcing element 10a and of the closure element 10b overlap only in a small area. This area describes the second space 56b.
  • first intermediate spaces 56a and smaller second intermediate spaces 56b are thus produced Fig. 22 .
  • an additional horizontal reinforcing element 88 can be inserted into these second intermediate spaces 56b, which protects the two elements 10a and 10b against lifting, ie lifting off of the reinforcing element 10a against the closure element 10b.
  • the minimum distance between upper flange 37 and lower flange 38 of the reinforcing element 10a and the closure element 10b is accordingly determined by the height of the tubes 18.
  • Figs. 23a to 23g illustrate a maximum height determination for an embodiment 10 of a reinforcement system of the invention for a ceiling installation, wherein a wall installation is similar to view.
  • a plurality of transverse segment 22 of the reinforcing element 10 are connected to longitudinal struts 28 along a distance.
  • Each transverse segment 22 in this example comprises two support struts 26 and two V-shaped truss trusses 24, thus defining five extreme dead centers, ie three lower and two upper dead centers, ie two beginnings of the support struts 26 and three arches of the truss struts 24.
  • each Ground reinforcement layer 30 of the lower and upper ground reinforcement layers 34, 36 comprises a lower plane and an upper plane of mutually parallel basic reinforcement bars 32, wherein the two planes are each perpendicular to each other.
  • the lower base reinforcement layer 36 thus has a lower level 90 and an upper level 92 of base reinforcement bars 32.
  • the upper base reinforcement layer 34 has a lower level 94 and an upper level 96.
  • the height h of the transverse segment 22 is dimensioned such that none of the dead centers of the transverse segment 22 pierces neither the lower plane 90 of the lower base reinforcement layer 36 nor the upper plane 96 of the upper base reinforcement layer 34.
  • a concrete cover 102 to the lower concrete ceiling surface and above the upper Grundbewehrungslage 34 is a concrete cover 104 provided to the upper concrete ceiling surface, so that the reinforcement each having such a concrete distance to the surface of the concrete floor or concrete wall.
  • FIG. 12 shows a laying direction of the reinforcing system 22 along the alignment of the lower level 90 of the upper and lower levels 96 of the upper ground reinforcing ply 34, 36.
  • the horizontal longitudinal struts 28 thus rest on the second level 92 of the lower ground reinforcing ply 36.
  • the arches of the truss struts 24, the upper level 92 of the lower and lower level 94 of the upper base reinforcement layer 34, 36 is tangent.
  • the height, ie the vertical distance of the dead points defined as the distance of the upper level 92 of the lower base reinforcement layer 36 to the lower level 94 of the upper base reinforcement layer 34th
  • the Fig. 23c shows a realistic picture of the configuration Fig. 23d ,
  • the longitudinal struts 28 are in this laying direction on the lower level 90 of the lower base reinforcement layer 90.
  • a distance to the lower level of the upper base reinforcement layer 34 remains, so that an insufficient anchoring in the arch area can result.
  • the height of the transverse segment thus always lower than the height between the upper level 92 and lower level 94 are selected, but then no appropriate anchorage to the upper base reinforcement layer can be achieved.
  • a maximum height can be achieved while maintaining all possible installation directions.
  • FIG. 23d A maximum possible height is in Fig. 23d shown, wherein the laying direction as in Fig. 23b and 23c is selected.
  • the longitudinal struts 28 are seated on the lower level 90 and the top dead centers 104 extend to the level of the lower level 94.
  • the bottom dead centers 104 of the transverse segment 22 thereby extend into the lower level 90.
  • anchoring of the top dead centers 104 is possible.
  • a laying direction of the reinforcing element 10 is shown at an arbitrary angle to the plane orientation of the ground reinforcing layers 32.
  • the longitudinal struts 28 are located on the upper level 92.
  • the bottom dead centers may extend to the second level 92 and the top dead centers may reach as far as the top level 96 to meet the requirement that none of the ground support layers 32 be pierced.
  • the dead center 104 is possible and also an attachment of the transverse segments 22 easily possible.
  • An optional safety parameter ⁇ may be considered to account for production dependent tolerance.
  • the safety parameter can be between 5 mm and 10 mm, in order to guarantee installation even with large component tolerances, in which no penetration of the base reinforcement layers 32 takes place.
  • an overall height hk of the reinforcing element 10 of 200 mm can be achieved.
  • the front side shows a reinforcing element 10 with this maximum total height hk in an end view.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Working Measures On Existing Buildindgs (AREA)
EP17165382.7A 2016-04-06 2017-04-06 Élément de renfort Withdrawn EP3228773A1 (fr)

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DE102016106290.1A DE102016106290A1 (de) 2016-04-06 2016-04-06 Bewehrungselement

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110499852A (zh) * 2019-08-01 2019-11-26 肖法刚 一种高效快速一体化成型节能墙的施工方法
AT522366A2 (de) * 2019-04-12 2020-10-15 Fischer Rista Ag Bewehrungselement, Betonbauelement und Verfahren zum Herstellen eines Betonbauelements

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DE1296322B (de) 1967-07-25 1969-05-29 Baustahlgewebe Gmbh Biegesteife Bewehrung fuer Beton, insbesondere fuer vorgefertigte Deckenplatten
DE6948493U (de) 1969-10-15 1970-03-19 Baustahlgewebe Gmbh Bewehrungskorb fuer balken mit oberer und unterei tragbewehrung, stuetzen od. dgl. aus beton
DE7144768U (de) 1971-11-27 1972-03-09 Keller H Baustahlmatte mit aus der mattenebene zickzackfoermig herausgebogenen staeben
DE2229093A1 (de) 1971-06-16 1972-12-21 Oroschakoff, Georgi, Dipl Ing , Wien Montage bzw Befestigungsglied fur eine Bewehrung oder ein Bewehrungselement im Stahlbetonbau
DE2626693A1 (de) 1975-07-25 1977-02-10 Arbed Armierungen fuer rohrprodukte
EP0132254B1 (fr) 1983-07-15 1989-09-20 BEST - Baueisen- und Stahl-Bearbeitungsgesellschaft m.b.H. Cage d'armature pour le renforcement spatial de structures en béton armé
DE29504851U1 (de) 1995-03-22 1995-06-01 Haeussler Wilhelm Dipl Ing Dip Bewehrungselement für Unterzüge und Ständer von Stahlbetonbauten
DE19632692A1 (de) * 1996-05-22 1997-11-27 Erwin Dipl Ing Wendl Stahlbetonbewehrung
WO1999027210A1 (fr) 1997-11-21 1999-06-03 Cerovsky Jaromil Noyau structurel d'un reseau tridimensionnel d'armature de beton et procede de fabrication
JP2004339824A (ja) * 2003-05-16 2004-12-02 Shigeru Yaguchi コンクリートの埋設物、埋設物付きデッキプレート
CH695106A5 (de) * 2001-01-23 2005-12-15 Fischer Reinach Ag Verfahren zur Herstellung einer Schubarmierung in gestützten Betondecken.
WO2008018174A1 (fr) * 2006-08-07 2008-02-14 Akiko Takahashi Procédé pour construire une dalle vide
WO2014006453A1 (fr) 2012-07-06 2014-01-09 Gutzwiller Holding Ag Fixation pour éléments à insérer dans des armatures

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Publication number Priority date Publication date Assignee Title
AT244557B (de) 1963-11-19 1966-01-10 Erich Stockmann Räumliches Bewehrungsgerippe
DE1296322B (de) 1967-07-25 1969-05-29 Baustahlgewebe Gmbh Biegesteife Bewehrung fuer Beton, insbesondere fuer vorgefertigte Deckenplatten
DE6948493U (de) 1969-10-15 1970-03-19 Baustahlgewebe Gmbh Bewehrungskorb fuer balken mit oberer und unterei tragbewehrung, stuetzen od. dgl. aus beton
DE2229093A1 (de) 1971-06-16 1972-12-21 Oroschakoff, Georgi, Dipl Ing , Wien Montage bzw Befestigungsglied fur eine Bewehrung oder ein Bewehrungselement im Stahlbetonbau
DE7144768U (de) 1971-11-27 1972-03-09 Keller H Baustahlmatte mit aus der mattenebene zickzackfoermig herausgebogenen staeben
DE2626693A1 (de) 1975-07-25 1977-02-10 Arbed Armierungen fuer rohrprodukte
EP0132254B1 (fr) 1983-07-15 1989-09-20 BEST - Baueisen- und Stahl-Bearbeitungsgesellschaft m.b.H. Cage d'armature pour le renforcement spatial de structures en béton armé
DE29504851U1 (de) 1995-03-22 1995-06-01 Haeussler Wilhelm Dipl Ing Dip Bewehrungselement für Unterzüge und Ständer von Stahlbetonbauten
DE19632692A1 (de) * 1996-05-22 1997-11-27 Erwin Dipl Ing Wendl Stahlbetonbewehrung
WO1999027210A1 (fr) 1997-11-21 1999-06-03 Cerovsky Jaromil Noyau structurel d'un reseau tridimensionnel d'armature de beton et procede de fabrication
CH695106A5 (de) * 2001-01-23 2005-12-15 Fischer Reinach Ag Verfahren zur Herstellung einer Schubarmierung in gestützten Betondecken.
JP2004339824A (ja) * 2003-05-16 2004-12-02 Shigeru Yaguchi コンクリートの埋設物、埋設物付きデッキプレート
WO2008018174A1 (fr) * 2006-08-07 2008-02-14 Akiko Takahashi Procédé pour construire une dalle vide
WO2014006453A1 (fr) 2012-07-06 2014-01-09 Gutzwiller Holding Ag Fixation pour éléments à insérer dans des armatures

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT522366A2 (de) * 2019-04-12 2020-10-15 Fischer Rista Ag Bewehrungselement, Betonbauelement und Verfahren zum Herstellen eines Betonbauelements
AT522366A3 (de) * 2019-04-12 2020-11-15 Fischer Rista Ag Bewehrungselement, Betonbauelement und Verfahren zum Herstellen eines Betonbauelements
AT522366B1 (de) * 2019-04-12 2021-12-15 Fischer Rista Ag Bewehrungselement, Betonbauelement und Verfahren zum Herstellen eines Betonbauelements
CN110499852A (zh) * 2019-08-01 2019-11-26 肖法刚 一种高效快速一体化成型节能墙的施工方法

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