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EP2116660B1 - Steel-concrete floor - Google Patents

Steel-concrete floor Download PDF

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Publication number
EP2116660B1
EP2116660B1 EP09006209A EP09006209A EP2116660B1 EP 2116660 B1 EP2116660 B1 EP 2116660B1 EP 09006209 A EP09006209 A EP 09006209A EP 09006209 A EP09006209 A EP 09006209A EP 2116660 B1 EP2116660 B1 EP 2116660B1
Authority
EP
European Patent Office
Prior art keywords
steel
concrete
trapezoidal
bearing part
floor joist
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
EP09006209A
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German (de)
French (fr)
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EP2116660A3 (en
EP2116660A2 (en
Inventor
Matthias Köhler
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.)
ArcelorMittal Construction Deutschland GmbH
Original Assignee
ArcelorMittal Construction Deutschland 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 date
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Priority to PL09006209T priority Critical patent/PL2116660T3/en
Publication of EP2116660A2 publication Critical patent/EP2116660A2/en
Publication of EP2116660A3 publication Critical patent/EP2116660A3/en
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Publication of EP2116660B1 publication Critical patent/EP2116660B1/en
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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
    • 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
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
    • 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
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/10—Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0452—H- or I-shaped

Definitions

  • the invention relates to a steel-concrete ceiling, in particular a steel-concrete ribbed ceiling or a steel-concrete composite ceiling, with at least one ceiling support, are supported on the transverse trapezoidal sheet metal, which are filled with concrete on the upper side, wherein the trapezoidal profile sheets with the End portions of their troughs are superimposed on bearing parts, which are mounted offset from the top of the ceiling support at this and projecting console side of the ceiling support.
  • a steel-concrete ribbed ceiling or composite ceiling usually has several parallel ceiling beams made of steel or concrete.
  • profiled steel sheets in particular in the form of trapezoidal profiled sheets, were placed on the ceiling beams transversely to their longitudinal extension and fastened on the upper side of the ceiling beams.
  • the ceiling support is made of steel, several head bolt dowels are additionally attached on its upper side, which serve for thrust transmission.
  • the trapezoidal profiled sheets are filled with Ortbetow far enough that the entire trapezoidal sheet metal is sufficiently covered with concrete, i. the troughs of the profile are completely filled and also the wave crests are covered with a sufficient layer of concrete.
  • the height of the trapezoidal sheet metal to be covered by the concrete is very large for large spans, whereby the ceilings are very heavy and have a relatively large height.
  • a disadvantage of this construction is that the open end faces of the trapezoidal profile sheets, in particular in the region of the troughs, must be sealed by means of special sealing bodies in order to prevent the liquid concrete from leaking to the side until it has hardened. This additional lateral sealing of the trapezoidal sheet is laborious and time consuming and thus costly.
  • the invention has for its object to provide a steel-concrete ribbed or composite ceiling of the type mentioned, in which, while maintaining the above advantages with a structurally simple design an end-face seal between the troughs of the trapezoidal profile sheet and the bracket-like bearing parts is given.
  • each bearing part has a receiving space having a substantially U-shaped, upwardly open cross-section, comprising a bottom portion and two side walls, and that the trapezoidal profile sheet with its trough inserted into contact with the side walls and the bottom portion in the receiving space is, wherein the concrete is within the receiving space of the bearing part in direct contact with the side walls of the web of the ceiling support, so that the ceiling support is laterally stabilized.
  • the invention is based on the basic idea not only to provide the console-like support parts with a flat support surface, but to provide a trough-like or trough-like receiving space, in which the trapezoidal profile sheet is used with its wave trough.
  • the trapezoidal profile sheet attaches to the underside of its wave trough the bottom portion of the receiving space and with the side walls of the wave trough on the side walls of the receiving space, whereby between the wave trough and the bearing part a sufficient at least for concrete sealing is achieved.
  • the bearing part is preferably mounted on its side facing away from the trapezoidal sheet metal sheet in a sealed manner to the ceiling support and in particular welded, so that the liquid concrete, which is filled on the top of the trapezoidal sheet in its troughs, at the front ends of the troughs in the receiving space of the respective Warehouse parts occurs, but can not escape from this.
  • the inner contour of the bearing part is complementary to the outer contour of the wave trough of the trapezoidal profile sheet.
  • the height of the cross section of the receiving space corresponds to the height of the trapezoidal profile sheet.
  • the trough of the trapezoidal profile sheet can be completely accommodated in the receiving space of the bearing part, whereby a complete lateral sealing of the troughs is ensured.
  • the upper edges of the troughs are in the region of the upper belt of the ceiling support.
  • a plurality of bearing parts are arranged in the longitudinal direction of the ceiling support at a mutual distance one behind the other.
  • the distance between two adjacent bearing parts may correspond to the spacing of adjacent troughs of the trapezoidal profile sheet, so that each corrugation trough is received and held in a bearing part.
  • the distance between two adjacent bearing parts corresponds to an integer multiple, for example twice the distance between adjacent troughs of the trapezoidal sheet metal, so that only every second, third or fourth trough of the trapezoidal sheet is received in a bearing part.
  • the ceiling support is a steel beam with an I-profile, wherein the bearing parts, which are also made of steel, are laterally welded to the web of the ceiling support preferably circumferentially.
  • the top of the trapezoidal profile sheet is at the level of the top of the ceiling support and in particular steplessly and / or gap-free merges into the top of the ceiling support. It can be provided that the wave peaks of the trapezoidal sheet with its end faces abuts the lateral edge of the upper belt of the ceiling support, whereby a seal between the wave crest and the ceiling support is achieved.
  • reinforcement steel in the form of so-called upper and lower longitudinal and transverse reinforcement is introduced in a conventional manner, before the concrete is filled.
  • the invention may be provided that in the ceiling support in the area within the receiving space of the bearing part, a through hole is formed through which at least one reinforcement member and in particular a rod-shaped reinforcing steel can be passed.
  • FIGS. 1 to 4 a partial construction of a steel-concrete ceiling 10 has a plurality of parallel ceiling support 11, of which only one is shown.
  • the ceiling support 11 is made of steel and has an I-profile with a lower flange 13, a top flange 14 and a vertical web 12.
  • each laterally projecting steel bearing members 15 are mounted, which protrude laterally like a bracket transverse to the longitudinal extent of the ceiling support 11.
  • Each bearing member 15 is bent from sheet steel and has a trough-like shape with a trapezoidal, substantially U-shaped, upwardly open cross-section with a bottom portion 15a and two side walls 15b.
  • the bearing part 15 is open at its ends.
  • the bearing part 15 For attachment of the bearing part 15, this is placed with an open end face on the side surface of the web 12 of the ceiling support 11 and welded to a weld 17, the upper edges of the side walls 15b of the bearing part 15 abut or close to the underside of the upper belt 14 of the ceiling support 11 are arranged at this.
  • the mounted on the ceiling support 11 bearing member 15 forms between its side walls 15b and above the bottom portion 15a a receiving space 16 which is open on its upper side and on the ceiling support 11 facing away from the end of the bearing part 15.
  • a trapezoidal profile sheet 18 has in cross section in the usual way a plurality of spaced apart wave troughs 18a, which are each connected to one another via a so-called wave crest 18b.
  • the troughs 18a also have a substantially U-shaped cross-section.
  • the cross-section of its corrugation 18a of the trapezoidal sheet 18 and the cross-section of the bearing part 15 and the receiving space 16 are coordinated so that the inner contour of the receiving space 16 of the bearing part 15 is complementary to the outer contour of the corrugation 18a of the trapezoidal sheet 18.
  • Trapezoidal sheet 18 with its troughs 18a in each case a receiving space 16 of a bearing part 15 can be used and in the inserted state both on the bottom portion 15a of the bearing part 15 rests as well as over the entire surface on the inside of the side walls 15b.
  • a plurality of bearing parts 15 are arranged at a mutual distance one behind the other, wherein the distance between two adjacent bearing parts 15 corresponds to the distance between adjacent wave troughs 18 a of the trapezoidal profile sheet 18.
  • the height of the receiving space 16 corresponds to the height of the trapezoidal profile sheet 18, so that the wave trough 18a of the trapezoidal profile sheet 18 can be completely accommodated in the receiving space 16 of the bearing part 15.
  • FIG. 3 shows the trapezoidal profile sheet 18, which is used with its wave troughs 18a in each case a receiving space 16 of a bearing part 15 with its end portion E.
  • the bearing parts 15 are arranged so that the top of the trapezoidal profile sheet 18, ie its so-called wave peaks 18b, which have a substantially horizontally extending top surface, lie at the level of the side edge of the upper belt 14 of the ceiling support 12 and abut against it.
  • the upper side of the trapezoidal profile sheet 18 passes smoothly and / or without gaps into the upper side of the upper belt 14 of the ceiling support 11.
  • FIG. 4 is a lower longitudinal reinforcement 21, which extends within the wave troughs 18a of the trapezoidal profile sheet 18, an upper longitudinal reinforcement 20, which extends above the trapezoidal profile sheet 18 and in particular passed over the longitudinal beam 11, and an upper transverse reinforcement 22 is shown.
  • the longitudinal member 11 is provided on the upper side of its upper flange 14 with spaced head bolt dowels 19, which serve the thrust transmission.
  • the concrete 23 is introduced, which is heaped up over the upper edge of the arranged on the longitudinal beam 11 head bolt dowel 19 and smoothed in the usual way.
  • the concrete 23 is within the receiving space 16 of the bearing part 15 in direct contact with the side walls of the web 12 of the ceiling support 11, whereby the ceiling support 11 is additionally stabilized laterally.
  • the upper longitudinal reinforcement 20 is guided away in the illustrated embodiment as a continuous reinforcement on the ceiling support 11. This limits the formation of cracks in the concrete 23.
  • the lower longitudinal reinforcement may be at least partially formed as a continuous reinforcement by penetrating the ceiling support 11. This is according to FIG. 5 provided in the web 12 of the ceiling support 11 in the area within the receiving space 16 of the bearing part 15, a through hole 24 is formed, through which the lower longitudinal reinforcement 11 can be passed.

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

Description

Die Erfindung betrifft eine Stahl-Beton-Decke, insbesondere ein Stahl-Beton-Rippendecke oder eine Stahl-Beton-Verbunddecke, mit zumindest einem Deckenträger, an dem quer verlaufende Trapezprofilbleche abgestützt sind, die oberseitig mit Beton aufgefüllt sind, wobei die Trapezprofilbleche mit den Endbereichen ihrer Wellentäler auf Lagerteile aufgelagert sind, die von der Oberseite des Deckenträgers nach unten versetzt an diesem angebracht sind und konsolenartig seitlich von dem Deckenträger hervorstehen.The invention relates to a steel-concrete ceiling, in particular a steel-concrete ribbed ceiling or a steel-concrete composite ceiling, with at least one ceiling support, are supported on the transverse trapezoidal sheet metal, which are filled with concrete on the upper side, wherein the trapezoidal profile sheets with the End portions of their troughs are superimposed on bearing parts, which are mounted offset from the top of the ceiling support at this and projecting console side of the ceiling support.

Im Hochbau sind verschiedene technische Ausgestaltungen von Decken bekannt. Neben reinen Holz- oder Stahldecken finden insbesondere Deckenkonstruktionen aus Beton Verwendung. In einer möglichen Ausgestaltung einer Betondecke werden vorgefertigte, bewehrte Beton-Fertigdeckenelemente verwendet, die nach dem Einbau mit Ortbeton übergossen werden. Darüber hinaus sind auch sogenannte Stahl-Beton-Rippendecken oder

  • Verbunddecken bekannt, bei denen ein Stahlblech gleichzeitig die Funktion einer verlorenen Schalung und zumindest teilweise der Zugbewehrung übernimmt.
In building construction, various technical designs of ceilings are known. In addition to pure wood or steel ceilings, ceiling constructions made of concrete are used in particular. In one possible embodiment of a concrete ceiling prefabricated, reinforced concrete prefabricated ceiling elements are used, which are poured over with in-situ concrete after installation. In addition, so-called steel concrete ribbed ceilings or
  • Composite ceilings known in which a steel sheet simultaneously assumes the function of a lost formwork and at least partially the tensile reinforcement.

Ein Stahl-Beton-Rippendecke oder -Verbunddecke weist in der Regel mehrere parallel verlaufende Deckenträger aus Stahl oder Beton auf. In einer früheren Ausgestaltung einer derartigen Decke wurden profilierte Stahlbleche insbesondere in Form von Trapezprofilblechen auf die Deckenträger quer zu deren Längserstreckung aufgelegt und auf der Oberseite der Deckenträger befestigt. Wenn der Deckenträger aus Stahl besteht, werden auf seiner Oberseite zusätzlich mehrere Kopfbolzendübel angebracht, die der Schubkraftübertragung dienen. Nach der Fixierung der Trapezprofilbleche und gegebenenfalls nach Einbringung zusätzlicher Bewehrung werden die Trapezprofilbleche mit Ortbetow soweit aufgefüllt, dass das gesamte Trapezprofilblech ausreichend mit Beton überdeckt ist, d.h. die Wellentäler des Profils vollständig gefüllt sind und auch die Wellenberge mit einer ausreichenden Betonschicht überdeckt sind. Bei dieser Ausgestaltung ist die von dem Beton zu überdeckende Höhe der Trapezprofilbleche bei großen Spannweiten sehr groß, wodurch die Decken sehr schwer sind und eine relativ große Bauhöhe aufweisen.A steel-concrete ribbed ceiling or composite ceiling usually has several parallel ceiling beams made of steel or concrete. In an earlier embodiment of such a ceiling, profiled steel sheets, in particular in the form of trapezoidal profiled sheets, were placed on the ceiling beams transversely to their longitudinal extension and fastened on the upper side of the ceiling beams. If the ceiling support is made of steel, several head bolt dowels are additionally attached on its upper side, which serve for thrust transmission. After fixing the trapezoidal profile sheets and optionally after introducing additional reinforcement, the trapezoidal profiled sheets are filled with Ortbetow far enough that the entire trapezoidal sheet metal is sufficiently covered with concrete, i. the troughs of the profile are completely filled and also the wave crests are covered with a sufficient layer of concrete. In this embodiment, the height of the trapezoidal sheet metal to be covered by the concrete is very large for large spans, whereby the ceilings are very heavy and have a relatively large height.

Aus der DE 299 22 279 U1 , welche eine Stahl-Beton-Decke gemäß des Oberbegriffs des Anspruchs 1 zeigt, ist es bekannt, die Höhe einer Stahl-Beton-Rippendecke zu reduzieren, indem die Trapezprofilbleche nicht auf die Oberseite des Deckenträgers, sondern auf spezielle konsolenartige Lagerteile aufgelegt werden, die auf dem Deckenträger angebracht sind und seitlich von dem Deckenträger hervorstehen. Die konsolenartigen Lagerteile sind Z-förmig ausgebildet und auf der Unterseite des Obergurts an den Deckenträger angeschweißt und bilden jeweils eine von der Oberseite des Deckenträgers nach unten versetzte Auflagerfläche. Auf diese Weise ist es möglich, die Trapezprofilbleche an ihren Enden mit der Unterseite ihrer Wellentäler auf die Auflagerflächen aufzulegen, wobei durch den Versatz der Auflagerflächen eine Verringerung der Bauhöhe der Decke sowie des Abstandes zwischen der Wirkungsebene der Deckenplatte und dem Deckenträger gegeben ist. Nachteilig bei diesem Aufbau ist jedoch, dass die offenen Stirnseiten der Trapezprofilbleche insbesondere im Bereich der Wellentäler mittels spezieller Dichtkörper abgedichtet werden müssen, um zu verhindern, dass der flüssige Beton seitlich ausläuft, solange er noch nicht ausgehärtet ist. Dieses zusätzliche seitliche Abdichten der Trapezprofilbleche ist arbeits- und zeitaufwendig und somit kostenintensiv.From the DE 299 22 279 U1 1, it is known to reduce the height of a steel-concrete ribbed deck by placing the trapezoidal profiled sheets not on the top of the ceiling-support, but on special bracket-like support members mounted on the ceiling support and projecting laterally from the ceiling support. The bracket-like bearing parts are Z-shaped and welded to the underside of the upper belt to the ceiling support and each form a displaced from the top of the ceiling support down bearing surface. In this way it is possible to hang the trapezoidal sheet metal at their ends with the bottom of their troughs on the bearing surfaces, wherein the offset of the bearing surfaces a reduction of Height of the ceiling and the distance between the plane of action of the ceiling plate and the ceiling support is given. A disadvantage of this construction, however, is that the open end faces of the trapezoidal profile sheets, in particular in the region of the troughs, must be sealed by means of special sealing bodies in order to prevent the liquid concrete from leaking to the side until it has hardened. This additional lateral sealing of the trapezoidal sheet is laborious and time consuming and thus costly.

Der Erfindung liegt die Aufgabe zugrunde, eine Stahl-Beton-Rippendecke oder -Verbunddecke der genannten Art zu schaffen, bei der unter Beibehaltung der oben genannten Vorteile mit einer konstruktiv einfachen Ausgestaltung eine stirnseitige Abdichtung zwischen den Wellentälern des Trapezprofilblechs und den konsolenartigen Lagerteilen gegeben ist.The invention has for its object to provide a steel-concrete ribbed or composite ceiling of the type mentioned, in which, while maintaining the above advantages with a structurally simple design an end-face seal between the troughs of the trapezoidal profile sheet and the bracket-like bearing parts is given.

Diese Aufgabe wird erfindungsgemäß mit einer Stahl-Beton-Decke mit den Merkmalen des Anspruchs 1 gelöst. Dabei ist vorgesehen, dass jedes Lagerteil einen Aufnahmeraum mit einem im wesentlichen U-förmigen, nach oben offenen Querschnitt aufweist, der einen Bodenabschnitt und zwei Seitenwände umfasst, und dass das Trapezprofilblech mit seinem Wellental unter Anlage an den Seitenwänden und dem Bodenabschnitt in den Aufnahmeraum eingesetzt ist, wobei der Beton innerhalb des Aufnahmeraums des Lagerteils in direktem Kontakt mit den Seitenwänden des Steges des Deckenträgers steht, so dass der Deckenträger seitlich stabilisiert ist.This object is achieved with a steel-concrete ceiling with the features of claim 1. It is provided that each bearing part has a receiving space having a substantially U-shaped, upwardly open cross-section, comprising a bottom portion and two side walls, and that the trapezoidal profile sheet with its trough inserted into contact with the side walls and the bottom portion in the receiving space is, wherein the concrete is within the receiving space of the bearing part in direct contact with the side walls of the web of the ceiling support, so that the ceiling support is laterally stabilized.

Die Erfindung geht von der Grundüberlegung aus, die konsolenartigen Auflagerteile nicht nur mit einer ebenen Auflagerfläche zu versehen, sondern einen rinnen- oder wannenartigen Aufnahmeraum vorzusehen, in den das Trapezprofilblech mit seinem Wellental eingesetzt wird. Dabei legt sich das Trapezprofilblech mit der Unterseite seines Wellentals an den Bodenabschnitt des Aufnahmeraums und mit den Seitenwänden des Wellentals an den Seitenwänden des Aufnahmeraums an, wodurch zwischen dem Wellental und dem Lagerteil eine zumindest für Beton ausreichende Abdichtung erreicht ist. Das Lagerteil ist auf seiner dem Trapezprofilblech abgewandten Stirnseite vorzugsweise in abgedichteter Weise an dem Deckenträger angebracht und insbesondere angeschweißt, so dass der flüssige Beton, der auf der Oberseite des Trapezprofilblechs in dessen Wellentäler eingefüllt wird, an den stirnseitigen Enden der Wellentäler in den Aufnahmeraum des jeweiligen Lagerteils eintritt, jedoch aus diesem nicht austreten kann.The invention is based on the basic idea not only to provide the console-like support parts with a flat support surface, but to provide a trough-like or trough-like receiving space, in which the trapezoidal profile sheet is used with its wave trough. The trapezoidal profile sheet attaches to the underside of its wave trough the bottom portion of the receiving space and with the side walls of the wave trough on the side walls of the receiving space, whereby between the wave trough and the bearing part a sufficient at least for concrete sealing is achieved. The bearing part is preferably mounted on its side facing away from the trapezoidal sheet metal sheet in a sealed manner to the ceiling support and in particular welded, so that the liquid concrete, which is filled on the top of the trapezoidal sheet in its troughs, at the front ends of the troughs in the receiving space of the respective Warehouse parts occurs, but can not escape from this.

In bevorzugter Ausgestaltung der Erfindung ist vorgesehen, dass die Innenkontur des Lagerteils komplementär zur Außenkontur des Wellentals des Trapezprofilblechs ist. Auf diese Weise ist erreicht, dass sich das Trapezprofilblech mit seinem Wellental vollflächig an die Seitenwände und den Bodenabschnitt des Aufnahmeraums anlegt, wodurch eine gute Abdichtung zwischen dem Wellental des Trapezprofilblechs und dem Lagerteil gewährleistet ist.In a preferred embodiment of the invention, it is provided that the inner contour of the bearing part is complementary to the outer contour of the wave trough of the trapezoidal profile sheet. In this way, it is achieved that the trapezoidal profile sheet with its corrugated surface fully rests against the side walls and the bottom portion of the receiving space, whereby a good seal between the trough of the trapezoidal profile sheet and the bearing part is guaranteed.

In bevorzugter Ausgestaltung der Erfindung ist vorgesehen, dass die Höhe des Querschnitts des Aufnahmeraums der Höhe des Trapezprofilblechs entspricht. Auf diese Weise ist es möglich, dass das Wellental des Trapezprofilblechs vollständig in dem Aufnahmeraum des Lagerteils aufgenommen werden kann, wodurch eine vollständige seitliche Abdichtung der Wellentäler gewährleistet ist. Dabei kann vorgesehen sein, dass die Oberkanten der Wellentäler im Bereich des Obergurts des Deckenträgers liegen.In a preferred embodiment of the invention it is provided that the height of the cross section of the receiving space corresponds to the height of the trapezoidal profile sheet. In this way, it is possible that the trough of the trapezoidal profile sheet can be completely accommodated in the receiving space of the bearing part, whereby a complete lateral sealing of the troughs is ensured. It can be provided that the upper edges of the troughs are in the region of the upper belt of the ceiling support.

In bevorzugter Ausgestaltung der Erfindung ist vorgesehen, dass mehrere Lagerteile in Längsrichtung des Deckenträgers in gegenseitigem Abstand hintereinander angeordnet sind. Dabei kann der Abstand zwischen zwei benachbarten Lagerteilen dem Abstand benachbarter Wellentäler des Trapezprofilblechs entsprechen, so dass jedes Wellental in einem Lagerteil aufgenommen und gehalten ist. Alternativ kann jedoch auch vorgesehen sein, dass der Abstand zwischen zwei benachbarten Lagerteilen einem ganzzahligen Vielfachen, beispielsweise dem doppelten Abstand benachbarter Wellentäler des Trapezprofilblechs entspricht, so dass nur jedes zweite, dritte oder vierte Wellental des Trapezprofilblechs in einem Lagerteil aufgenommen ist.In a preferred embodiment of the invention it is provided that a plurality of bearing parts are arranged in the longitudinal direction of the ceiling support at a mutual distance one behind the other. In this case, the distance between two adjacent bearing parts may correspond to the spacing of adjacent troughs of the trapezoidal profile sheet, so that each corrugation trough is received and held in a bearing part. Alternatively, however, it can also be provided that the distance between two adjacent bearing parts corresponds to an integer multiple, for example twice the distance between adjacent troughs of the trapezoidal sheet metal, so that only every second, third or fourth trough of the trapezoidal sheet is received in a bearing part.

Vorzugsweise ist der Deckenträger ein Stahlträger mit einem I-Profil, wobei die Lagerteile, die ebenfalls aus Stahl bestehen, seitlich an den Steg des Deckenträgers vorzugsweise umlaufend angeschweißt sind.Preferably, the ceiling support is a steel beam with an I-profile, wherein the bearing parts, which are also made of steel, are laterally welded to the web of the ceiling support preferably circumferentially.

In Weiterbildung der Erfindung kann vorgesehen sein, dass die Oberseite des Trapezprofilblechs auf Höhe der Oberseite des Deckenträgers liegt und insbesondere stufenlos und/oder spaltfrei in die Oberseite des Deckenträgers übergeht. Dabei kann vorgesehen sein, dass die Wellenberge des Trapezprofilblechs mit ihren Stirnseiten an der seitlichen Kante des Obergurts des Deckenträgers anliegt, wodurch eine Abdichtung zwischen dem Wellenberg und dem Deckenträger erreicht ist.In a further development of the invention can be provided that the top of the trapezoidal profile sheet is at the level of the top of the ceiling support and in particular steplessly and / or gap-free merges into the top of the ceiling support. It can be provided that the wave peaks of the trapezoidal sheet with its end faces abuts the lateral edge of the upper belt of the ceiling support, whereby a seal between the wave crest and the ceiling support is achieved.

Nachdem das Trapezprofilblech korrekt positioniert und aufgelagert ist, wird in üblicher Weise Bewehrungsstahl in Form sogenannter oberer und unterer Längs- und Querbewehrung eingebracht, bevor der Beton eingefüllt wird. In Weiterbildung der Erfindung kann dabei vorgesehen sein, dass in dem Deckenträger im Bereich innerhalb des Aufnahmeraums des Lagerteils eine Durchgangsbohrung ausgebildet ist, durch die zumindest ein Bewehrungsteil und insbesondere ein stabförmiger Bewehrungsstahl hindurchgeführt werden kann.After the trapezoidal sheet metal is correctly positioned and stored, reinforcement steel in the form of so-called upper and lower longitudinal and transverse reinforcement is introduced in a conventional manner, before the concrete is filled. In training The invention may be provided that in the ceiling support in the area within the receiving space of the bearing part, a through hole is formed through which at least one reinforcement member and in particular a rod-shaped reinforcing steel can be passed.

Weitere Einzelheiten und Merkmale der Erfindung sind aus der folgenden Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnungen ersichtlich. Es zeigen:

Fig. 1
eine ausschnittsweise perspektivische Seitenansicht des Deckenträgers mit angebrachten Lagerteilen,
Fig. 2
die Ansicht II in Figur 1
Fig. 3
eine perspektivische Ansicht des Deckenträgers mit einem eingelegten Trapezprofilblech,
Fig. 4
eine teilweise geschnitten dargestellte, perspektivische Ansicht der Stahl-Beton-Decke und
Fig. 5
eine Figur 1 entsprechende perspektivische Ansicht einer abgewandelten Ausführungsform.
Further details and features of the invention will become apparent from the following description of an embodiment with reference to the drawings. Show it:
Fig. 1
a fragmentary perspective side view of the ceiling support with attached bearing parts,
Fig. 2
the view II in FIG. 1
Fig. 3
a perspective view of the ceiling support with an inserted trapezoidal sheet,
Fig. 4
a partially sectioned, perspective view of the steel-concrete ceiling and
Fig. 5
a FIG. 1 corresponding perspective view of a modified embodiment.

Ein in den Figuren 1 bis 4 ausschnittsweise dargestellter Aufbau einer Stahl-Beton-Decke 10 besitzt mehrere parallel verlaufende Deckenträger 11, von denen nur einer dargestellt ist. Der Deckenträger 11 besteht aus Stahl und besitzt ein I-Profil mit einem Untergurt 13, einem Obergurt 14 und einem vertikalen Steg 12. Wie insbesondere die Figuren 1 und 2 zeigen, sind auf beiden Seiten des Deckenträgers 11 an den Steg 12 jeweils seitlich hervorstehende stählerne Lagerteile 15 angebracht, die konsolenartig quer zur Längserstreckung des Deckenträgers 11 seitlich hervorstehen. Jedes Lagerteil 15 ist aus Stahlblech gebogen und besitzt eine rinnenartige Form mit einem trapezförmigen, im wesentlichen U-förmigen, nach oben offenen Querschnitt mit einem Bodenabschnitt 15a und zwei Seitenwänden 15b. Darüber hinaus ist das Lagerteil 15 an seinen Stirnseiten offen.One in the FIGS. 1 to 4 a partial construction of a steel-concrete ceiling 10 has a plurality of parallel ceiling support 11, of which only one is shown. The ceiling support 11 is made of steel and has an I-profile with a lower flange 13, a top flange 14 and a vertical web 12. As in particular the Figures 1 and 2 show, on both sides of the ceiling beam 11 to the web 12 each laterally projecting steel bearing members 15 are mounted, which protrude laterally like a bracket transverse to the longitudinal extent of the ceiling support 11. Each bearing member 15 is bent from sheet steel and has a trough-like shape with a trapezoidal, substantially U-shaped, upwardly open cross-section with a bottom portion 15a and two side walls 15b. In addition, the bearing part 15 is open at its ends.

Zur Anbringung des Lagerteils 15 wird dieses mit einer offenen Stirnseite auf die Seitenfläche des Stegs 12 des Deckenträgers 11 aufgelegt und mit einer Schweißnaht 17 verschweißt, wobei die oberen Kanten der Seitenwände 15b des Lagerteils 15 an der Unterseite des Obergurts 14 des Deckenträgers 11 anliegen oder nahe an dieser angeordnet sind. Das am Deckenträger 11 angebrachte Lagerteil 15 bildet zwischen seinen Seitenwänden 15b und oberhalb des Bodenabschnitts 15a einen Aufnahmeraum 16, der auf seiner Oberseite und auf der dem Deckenträger 11 abgewandten Stirnseite des Lagerteils 15 offen ist.For attachment of the bearing part 15, this is placed with an open end face on the side surface of the web 12 of the ceiling support 11 and welded to a weld 17, the upper edges of the side walls 15b of the bearing part 15 abut or close to the underside of the upper belt 14 of the ceiling support 11 are arranged at this. The mounted on the ceiling support 11 bearing member 15 forms between its side walls 15b and above the bottom portion 15a a receiving space 16 which is open on its upper side and on the ceiling support 11 facing away from the end of the bearing part 15.

Ein Trapezprofilblech 18 weist im Querschnitt in üblicher Weise eine Vielzahl von auf Abstand nebeneinander angeordneten Wellentälern 18a auf, die jeweils über einen sogenannten Wellenberg 18b miteinander verbunden sind. Die Wellentäler 18a besitzen ebenfalls einen im wesentlichen U-förmigen Querschnitt. Dabei sind oder Querschnitt ihres Wellentals 18a des Trapezprofilblechs 18 und der Querschnitt des Lagerteils 15 bzw. des Aufnahmeraums 16 so aufeinander abgestimmt, dass die Innenkontur des Aufnahmeraums 16 des Lagerteils 15 komplementär zur Außenkontur des Wellentals 18a des Trapezprofilblechs 18 ist. Dies bedeutet, dass das Trapezprofilblech 18 mit seinen Wellentälern 18a in jeweils einen Aufnahmeraum 16 eines Lagerteils 15 eingesetzt werden kann und im eingesetzten Zustand sowohl auf dem Bodenabschnitt 15a des Lagerteils 15 aufliegt als auch vollflächig auf der Innenseite der Seitenwände 15b anliegt.A trapezoidal profile sheet 18 has in cross section in the usual way a plurality of spaced apart wave troughs 18a, which are each connected to one another via a so-called wave crest 18b. The troughs 18a also have a substantially U-shaped cross-section. In this case, or the cross-section of its corrugation 18a of the trapezoidal sheet 18 and the cross-section of the bearing part 15 and the receiving space 16 are coordinated so that the inner contour of the receiving space 16 of the bearing part 15 is complementary to the outer contour of the corrugation 18a of the trapezoidal sheet 18. This means that Trapezoidal sheet 18 with its troughs 18a in each case a receiving space 16 of a bearing part 15 can be used and in the inserted state both on the bottom portion 15a of the bearing part 15 rests as well as over the entire surface on the inside of the side walls 15b.

In Längsrichtung des Deckenträgers 11 sind mehrere Lagerteile 15 in gegenseitigem Abstand hintereinander angeordnet, wobei der Abstand zwischen zwei benachbarten Lagerteilen 15 dem Abstand benachbarter Wellentäler 18a des Trapezprofilblechs 18 entspricht.In the longitudinal direction of the ceiling support 11 a plurality of bearing parts 15 are arranged at a mutual distance one behind the other, wherein the distance between two adjacent bearing parts 15 corresponds to the distance between adjacent wave troughs 18 a of the trapezoidal profile sheet 18.

Die Höhe des Aufnahmeraums 16 entspricht der Höhe des Trapezprofilblechs 18, so dass das Wellental 18a des Trapezprofilblechs 18 vollständig in den Aufnahmeraum 16 des Lagerteils 15 aufgenommen werden kann.The height of the receiving space 16 corresponds to the height of the trapezoidal profile sheet 18, so that the wave trough 18a of the trapezoidal profile sheet 18 can be completely accommodated in the receiving space 16 of the bearing part 15.

Figur 3 zeigt das Trapezprofilblech 18, das mit seinen Wellentälern 18a in jeweils einen Aufnahmeraum 16 eines Lagerteils 15 mit seinem Endbereich E eingesetzt ist. Dabei ist ersichtlich, dass die Lagerteile 15 so angeordnet sind, dass die Oberseite des Trapezprofilblechs 18, d.h. dessen sogenannte Wellenberge 18b, die eine im wesentlichen horizontal verlaufende Deckfläche besitzen, in Höhe der Seitenkante des Obergurts 14 des Deckenträgers 12 liegen und an diese anstoßen. Insbesondere kann dabei vorgesehen sein, dass die Oberseite des Trapezprofilblechs 18 stufenlos und/oder spaltfrei in die Oberseite des Obergurts 14 des Deckenträgers 11 übergeht. Auf diese Weise erreicht, dass zwischen dem Trapezprofilblech 18 einerseits und dem Deckelträger 11 sowie den Lagerteilen 15 andererseits eine annähernd vollständige Abdichtung erreicht ist, indem die Wellentäler 18a des Trapezprofilblech 18 vollflächig an den Lagerteilen 15 anliegen, die ihrerseits in abgedichteter Weise an den Steg 12 des Deckenträgers 11 angeschweißt sind, und indem andererseits die Wellenberge 18b des Trapezprofilblechs 18 in Anlage oder sehr nahe dem Obergurt 14 des Deckenträgers 11 angeordnet sind. FIG. 3 shows the trapezoidal profile sheet 18, which is used with its wave troughs 18a in each case a receiving space 16 of a bearing part 15 with its end portion E. It can be seen that the bearing parts 15 are arranged so that the top of the trapezoidal profile sheet 18, ie its so-called wave peaks 18b, which have a substantially horizontally extending top surface, lie at the level of the side edge of the upper belt 14 of the ceiling support 12 and abut against it. In particular, it may be provided that the upper side of the trapezoidal profile sheet 18 passes smoothly and / or without gaps into the upper side of the upper belt 14 of the ceiling support 11. Achieved in this way that between the trapezoidal sheet 18 on the one hand and the lid support 11 and the bearing parts 15 on the other hand, an approximately complete seal is achieved by the troughs 18 a of the trapezoidal sheet 18 over the entire surface of the Bearing parts 15 abut, which in turn are welded in a sealed manner to the web 12 of the ceiling support 11, and by on the other hand, the wave peaks 18 b of the trapezoidal sheet 18 in contact or very close to the top flange 14 of the ceiling support 11 are arranged.

Nach Einbringung des Trapezprofilblechs 18 wird die zusätzliche Bewehrung in üblicher Weise eingebracht. In Figur 4 ist eine untere Längsbewehrung 21, die innerhalb der Wellentäler 18a des Trapezprofilblechs 18 verläuft, eine obere Längsbewehrung 20, die oberhalb des Trapezprofilblechs 18 verläuft und insbesondere über den Längsträger 11 hinweggeführt ist, und eine obere Querbewehrung 22 dargestellt. Zusätzlich ist der Längsträger 11 auf der Oberseite seines Obergurtes 14 mit in Abstand angeordneten Kopfbolzendübeln 19 versehen, die der Schubkraftübertragung dienen. Anschließend wird der Beton 23 eingebracht, der bis über die Oberkante der auf dem Längsträger 11 angeordneten Kopfbolzendübel 19 aufgeschüttet und in üblicher Weise geglättet wird.After introduction of the trapezoidal profile sheet 18, the additional reinforcement is introduced in the usual manner. In FIG. 4 is a lower longitudinal reinforcement 21, which extends within the wave troughs 18a of the trapezoidal profile sheet 18, an upper longitudinal reinforcement 20, which extends above the trapezoidal profile sheet 18 and in particular passed over the longitudinal beam 11, and an upper transverse reinforcement 22 is shown. In addition, the longitudinal member 11 is provided on the upper side of its upper flange 14 with spaced head bolt dowels 19, which serve the thrust transmission. Subsequently, the concrete 23 is introduced, which is heaped up over the upper edge of the arranged on the longitudinal beam 11 head bolt dowel 19 and smoothed in the usual way.

Der Beton 23 steht innerhalb des Aufnahmeraums 16 des Lagerteils 15 in direktem Kontakt mit den Seitenwänden des Stegs 12 des Deckenträgers 11, wodurch der Deckenträger 11 zusätzlich seitlich stabilisiert ist.The concrete 23 is within the receiving space 16 of the bearing part 15 in direct contact with the side walls of the web 12 of the ceiling support 11, whereby the ceiling support 11 is additionally stabilized laterally.

Die obere Längsbewehrung 20 ist im dargestellten Ausführungsbeispiel als Durchlaufbewehrung über den Deckenträger 11 hinweggeführt. Dadurch wird die Rissbildung im Beton 23 begrenzt. Zusätzlich kann jedoch auch die untere Längsbewehrung zumindest anteilig als Durchlaufbewehrung ausgebildet sein, indem sie den Deckenträger 11 durchdringt. Dazu ist gemäß Figur 5 vorgesehen, das im Steg 12 des Deckenträgers 11 im Bereich innerhalb des Aufnahmeraum 16 des Lagerteils 15 eine Durchgangsbohrung 24 ausgebildet ist, durch die die untere Längsbewehrung 11 hindurchgeführt werden kann.The upper longitudinal reinforcement 20 is guided away in the illustrated embodiment as a continuous reinforcement on the ceiling support 11. This limits the formation of cracks in the concrete 23. In addition, however, the lower longitudinal reinforcement may be at least partially formed as a continuous reinforcement by penetrating the ceiling support 11. This is according to FIG. 5 provided in the web 12 of the ceiling support 11 in the area within the receiving space 16 of the bearing part 15, a through hole 24 is formed, through which the lower longitudinal reinforcement 11 can be passed.

Claims (8)

  1. Steel/concrete floor (10) comprising at least one floor joist (11) which has a vertical web (12) and on which are supported transversely extending trapezoidal profiled sheets (18) which are filled with concrete (23) on their upper side, wherein the trapezoidal profiled sheets (18) are mounted by the end regions (E) of their valleys (18) onto bearing parts (15) which are fitted to the floor joist (11) with a downward offset from the upper side thereof and which protrude laterally from the floor joist (11) in the manner of a bracket, characterized in that each bearing part (15) has a locating space (16) with a substantially U-shaped, upwardly open cross section, which comprises a base portion (15a) and two side walls (15b), and in that the trapezoidal profiled sheet (18) is inserted by its valley (18a) into the locating space (16) so as to bear against the side walls (15b) and the base portion (15a), wherein the concrete (23) within the locating space (16) of the bearing part (15) is in direct contact with the side walls of the web (12) of the floor joist (11), so that the floor joist (11) is stabilized laterally.
  2. Steel/concrete floor according to Claim 1, characterized in that the inner contour of the locating space (16) of the bearing part (15) is complementary to the outer contour of the valley (18a) of the trapezoidal profiled sheet (18).
  3. Steel/concrete floor according to Claim 1 or 2, characterized in that the height of the cross section of the locating space (16) corresponds to the height of the valley (18a) of the trapezoidal profiled sheet (18).
  4. Steel/concrete floor according to one of Claims 1 to 3, characterized in that the valley (18a) of the trapezoidal profiled sheet (18) is able to be fully accommodated in the locating space (16) of the bearing part (15).
  5. Steel/concrete floor according to one of Claims 1 to 4, characterized in that a plurality of bearing parts (15) are successively arranged with mutual spacing in the longitudinal direction of the floor joist (11), wherein the spacing between two adjacent bearing parts (15) corresponds to the spacing of adjacent valleys (18a) of the trapezoidal profiled sheet (18) or to an integral multiple thereof.
  6. Steel/concrete floor according to one of Claims 1 to 5, characterized in that the floor joist (11) has an I-shaped profile, and in that the bearing parts (15) are welded to a web (12) of the floor joist (11).
  7. Steel/concrete floor according to one of Claims 1 to 6, characterized in that the upper side of the trapezoidal profiled sheet (18) merges steplessly and/or gap-free into the upper side of the floor joist (11).
  8. Steel/concrete floor according to one of Claims 1 to 7, characterized in that a through hole (24), through which at least one reinforcement part (21) is guided, is formed in the floor joist (11) in the region within the locating space (16) of the bearing part (15).
EP09006209A 2008-05-08 2009-05-07 Steel-concrete floor Active EP2116660B1 (en)

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DE102008022647A DE102008022647A1 (en) 2008-05-08 2008-05-08 Steel-concrete ceiling

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Publication number Priority date Publication date Assignee Title
CN101839033A (en) * 2010-06-22 2010-09-22 中国建筑第二工程局有限公司 Closed profiled steel sheet-concrete composite floor and construction method thereof
DE102013019497B4 (en) * 2013-11-21 2020-08-06 Kingspan GmbH Roof or ceiling slab designed as a concrete-steel composite construction
CN104929289A (en) * 2015-06-15 2015-09-23 殷诗宝 Light concrete combined precast laminated floor slab
CN105064577B (en) * 2015-08-05 2017-09-15 北京建工华创科技发展股份有限公司 A kind of precast concrete composite floor
CN109914602A (en) * 2019-04-12 2019-06-21 西安建筑科技大学 More built-in skew wall rectangle steel lumen-concrete combined structures and its construction method

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US602274A (en) * 1898-04-12 Sheet or plate girder
US3093932A (en) * 1960-04-22 1963-06-18 Dreier Sidney Floor construction and method of providing same
LU60740A1 (en) * 1970-04-16 1972-03-03
US4653237A (en) * 1984-02-29 1987-03-31 Steel Research Incorporated Composite steel and concrete truss floor construction
GB9603165D0 (en) * 1996-02-15 1996-04-17 British Steel Plc Floor and ceiling structures
DE29922279U1 (en) 1999-12-18 2001-01-25 Ermer, Josef, Buzanada Arona, Teneriffa Device for holding umbrella rods upright
DE29922297U1 (en) * 1999-12-20 2000-03-02 PAB GmbH, 57223 Kreuztal Steel-concrete ceiling
EP1625261B1 (en) * 2003-05-13 2007-08-08 Offshield Limited Flooring

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EP2116660A3 (en) 2011-09-28
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EP2116660A2 (en) 2009-11-11

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