EP1146180B1 - Verfahren zur Herstellung eines Beton-Deckenelements und Beton-Deckenelement - Google Patents
Verfahren zur Herstellung eines Beton-Deckenelements und Beton-Deckenelement Download PDFInfo
- Publication number
- EP1146180B1 EP1146180B1 EP01109123A EP01109123A EP1146180B1 EP 1146180 B1 EP1146180 B1 EP 1146180B1 EP 01109123 A EP01109123 A EP 01109123A EP 01109123 A EP01109123 A EP 01109123A EP 1146180 B1 EP1146180 B1 EP 1146180B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- concrete
- mould
- process according
- support elements
- elements
- 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.)
- Expired - Lifetime
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Classifications
-
- 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
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
- E04C3/205—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members with apertured web, e.g. frameworks, trusses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
-
- 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
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
-
- 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
- E04B5/04—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement
- E04B5/06—Load-carrying floor structures formed substantially of prefabricated units with beams or slabs of concrete or other stone-like material, e.g. asbestos cement with beams placed against one another optionally with pointing-mortar
Definitions
- the invention relates to a method for producing a Concrete ceiling element and a concrete ceiling element.
- a concrete ceiling element in which a plurality of carrier elements partially in one Shuttering plate are cast.
- the carrier elements consist made of concrete, which can be reinforced. Because of the use of Concrete for the production of the carrier elements have such carrier elements a particularly high flexural rigidity.
- In connection with the formwork panel can be as a concrete ceiling element be prepared, which in turn a has extremely high bending stiffness.
- Such concrete ceiling elements need to apply before applying the site concrete layer not supported or subjugated. This saves costs and speeds up the construction progress.
- EP 0 949 387 A1 states that the carrier elements are initially separate be made by casting. Subsequently, a Plurality of the support elements in a formwork or mold pad placed and then cast the concrete formwork panel. In particular, via the production of reinforced carrier elements nothing is stated in EP 0 949 387 A1.
- EP 265 301 is a method for producing a Reinforced concrete precast known. Here are the Making breakthroughs in a mold one after another forming cores retracted and after hardening of the concrete in succession pulled out again
- a soil which consists of individual, made of reinforced concrete beams and cross connections consists.
- the carriers have a lattice. In the meshes of the grid intervene in the cross-connections. Using fits that interfere with the cross connections and press against the carrier, the cross connections are on fixed to the carriers and the dimensional stability of the recesses guaranteed.
- EP 0 949 387 A1 discloses a concrete ceiling element with a Concrete formwork panel and a plurality of with the Shuttering panel by sheathing connected carrier elements.
- Each carrier element is designed as a concrete carrier element, which on the concrete shuttering facing away from the side has a strut. From the strut extend individual Cross struts away in the area of concrete formwork panel, the is cast on the cross struts.
- the object of the invention is to be as universal and cost-effective method for producing a concrete ceiling element to indicate with that without providing a subjugation a concrete ceiling can be produced.
- the proposed method allows for easy, fast and cost-effective way of producing concrete ceiling elements. Another significant advantage is that under Use of the concrete ceiling elements according to the invention Concrete pavement made without the provision of a Unterjochung can be.
- the support elements can be prefabricated become.
- carrier elements of various types can be used Lengths, e.g. in length increments of 10 cm length difference, be kept in stock. If necessary, such Carrier elements for the production of concrete ceiling elements immediately available.
- the diagonals are welded by spot welding, Binding or using connectors with the Upper and lower belt connected. Since the Arm istsgerüst with Concrete is poured, it is not necessary to connect at each point of contact of the diagonal with the upper or To produce bottom chord. This saves further costs.
- the projections can rechtkkig or in the form of a truncated cone. They extend each over the entire height of the longitudinal wall / walls and / or the entire width of the floor. With a In such a form carrier elements can be produced, the Top to the projections corresponding recesses having. Such recesses serve to insert reinforcing bars. Further, manufactured in such a form Carrier elements on their longitudinal walls also recesses and / or grooves. The recesses and grooves are lost essentially vertical. The grooves are used for recording of shear plates. The recesses form with a later one infused place-concrete a gearing, which shear forces, in particular transverse thrust forces, absorbs.
- b Means to adjust of Arm michsgerüsts are introduced into the mold. It may be e.g. act around cones, which before the Inserting the Arm michsgerüsts be retracted into the mold and the reinforcing skeleton in a predetermined position hold. Furthermore, before step lit. b spacers be attached to the Arm michsgerüst. At a corresponding Design of the spacers can be on the means for Adjusting the Arm michsgerüsts also be waived.
- the reinforcing skeleton hanging on over the lower flange protruding sections of the Diagonals are kept in shape. In this case can on both adjustment means and spacers be waived.
- the proposed method variant allows a particularly cost-effective production of the concrete support element.
- the reinforcing framework can thus be inserted into the mold that the mandrels from a longitudinal wall of the form forth through the Passage surfaces are movable. But it can also be so in the Form are used, that the mandrels of a soil or an opening of the shape forth through the fürgriffs vom are movable. The latter alternative is then preferred if a quick demoulding is desired.
- the dimensional stability the support element is at a vertical Einund Extension of the cores higher.
- the concrete is compacted after pouring into the mold.
- To the mold may be received on a vibrating table.
- Concrete can also be self-compacting fluid concrete used become. In this case, it is not necessary to use the concrete to compact by shaking.
- the concrete when pouring into the mold a soil-moist consistency Has. In this consistency is a very fast consolidation of concrete.
- the demoulding can already be short Time after pouring the concrete done. It can also Shotcrete may be used, optionally also an injection molding dipping process.
- In place of the reinforcing framework can also Concrete with steel fiber additive can be used.
- the demolding immediately after compression, wherein the concrete has a still earth-moist consistency.
- the demoulding So it can be done after the shaking.
- the proposed Fast demoulding leads to a rough training the walls of the support elements. This will be a special good and intimate connection with the site-concrete achieved.
- the shape in one essentially parallel to the transverse walls extending cross-section is rectangular.
- Such a cross section allows a high degree of filling of the form with reinforcing iron.
- the Arm istsgerüst can also in Cross-section are formed rectangular, what its flexural rigidity further increased.
- the mandrels at the same time retracted through the pass-through surfaces and / or pulled out at the same time. It has showed that in particular the simultaneous withdrawal the mandrels improved dimensional stability of the produced Carrier element has the consequence.
- the support elements are expediently after removal from the mold heated to a temperature in the range of 30 to 40 ° C. Such heating can take place in a curing chamber.
- the Holding times are usually 8 to 24 hours.
- the formwork points to a further embodiment a, preferably circumferential, projection to form a, preferably formed in the manner of a circumferential groove, Recess in the front wall of the concrete formwork panel.
- a recess serves to receive fitting elements.
- the groove may have different shapes. She may be suitable to be rectangular in section, square or triangular shaped fitting elements.
- Such Fitting elements contribute to the fact that the undersides are adjacent Concrete ceiling elements lie in one plane. It will an edge offset of adjoining concrete ceiling elements avoided.
- At least the edges and parallel to the edge of the concrete formwork panel arranged carrier elements can at least another breakthrough for inserting a means for Balancing an edge offset have.
- a means for Balancing an edge offset becomes the support element in the manufacture of concrete formwork panel so held or supported in the formwork, that the further openings in each case the same distance from Have bottom of the formwork.
- the further breakthroughs can e.g. be formed in the form of slots or slots.
- the support elements in opposing one another Arrangement of vertical grooves for insertion of thrust plates be provided.
- thrust plates serve in an advantageous manner Way of absorbing shear forces.
- the side walls of the support elements also Projections to form a shear gearing with the site concrete exhibit.
- An end wall of the concrete shuttering panel may be at least one Recess, preferably in the manner of a circumferential groove, for Have recording of passport elements.
- the fitting elements can be glued into the recess.
- the fitting elements are corresponding formed to the groove. They serve in addition or also as an alternative to the means for compensating an edge offset also for exact and dislocation-free adjustment adjacent concrete ceiling elements.
- the upper edges of the Bevelled concrete formwork slab This allows the inflow of the site concrete in the area of the joint and its fixation.
- the walls of the carrier elements are preferably rough educated. So can a particularly firm and intimate connection be reached with the place concrete.
- an apparatus for carrying out the inventive Procedure is a boxy form of a ground, two formed opposite longitudinal and two transverse walls, wherein a plurality of juxtaposed mandrels at the same time in the space enclosed by the mold are extendable. This can be done in a particularly efficient way the inventive method can be realized.
- the mandrels are by in the ground or in one of the longitudinal walls provided Breakthroughs extendable and retractable. But you can also go to the Surrounded by the longitudinal and transverse walls opening of the mold immersed become.
- the mandrels can be round in cross-section, after a kind of a slot, rectangular, triangular or Trapezoidal be formed. As particularly useful It turned out that the corners of the rectangles, triangles or Trapeze are rounded. This facilitates the extraction of the Form cores and further increases the flexural rigidity of it produced carrier element.
- a longitudinal wall or the floor can be formed as rust, so that the extensions of the Arm istsgerüsts in the inserted state pass through the rust.
- the top serves as a contact surface for a peel-off rail for stripping a site concrete layer.
- one on a second longitudinal wall adjacent doubling is provided, whose thickness is greater or equal to the distance above the lower flange protruding Extensions is.
- the doubling can be made of polystyrene or from a plurality on the longitudinal wall fixed elastic Be made slats or knobs.
- the concrete ceiling element according to the invention can also be prestressed be. It may do so for the manufacture of the carrier element used a shape with a given curvature become. But it is also possible, after the Arm michsgerüst to bias the introduction into the mold and this in the prestressed Condition with concrete. - Prestressed carrier elements are ideal for the production of concrete ceiling elements, with spans of more than 7 m can be realized without Unterjochung.
- Figs. 1 to 3 are plan views and sectional views a form shown in different states.
- the in cross section rectangular shape has a first 1 and a second longitudinal wall 2, a first 3 and a second transverse wall 4 and a bottom 5.
- the bottom 5 is with breakthroughs provided, pass through which mandrels 6.
- the im Cross-section triangular shaped cores 6 are on one Support plate 7 was added.
- On the support plate 7 are also the transverse walls 3, 4 and the first longitudinal wall 1 attached.
- the support plate 7 is vertical relative to the bottom 5 movable.
- projections 17 are attached at regular intervals.
- the projections 17 here have a rectangular profile.
- the profile can also be frusto-conical.
- the width of the projections is suitably about 50 mm; whose height is 40 to 60 mm. The height depends on the Strength of the reinforcing grid, which in through the protrusions 17 recesses formed at the top O of the concrete brace should be inserted. It must be ensured that the Overlapping of the reinforcement grid with site concrete always at least 30 mm.
- the cross section of the mandrels 6 is adapted to the shape of the Penetration surface 11.
- the penetration surface 11 may e.g. also Trapezoidal be formed. In this case, too Shaped cores 6 trapezoidal in cross-section.
- the geometry and the strength of the reinforcing skeleton is accordingly adapt.
- the corners of the mandrels may preferably be rounded (not shown here).
- the second longitudinal wall 2 in a horizontal Be moved direction.
- the first longitudinal wall 1 and the Transverse walls 3, 4 can together with the support plate 7 relative are moved vertically to the bottom 5.
- the mold can be placed on a vibrating table (not shown here) be included. After pouring the concrete 15 this is compacted by shaking. When using precompressed Concrete 15 can also be dispensed with the Hinttelvorgang become.
- the second longitudinal wall 2 of the mold After a setting time of about two to five minutes will be the second longitudinal wall 2 of the mold in a horizontal direction pulled away (not shown here). Subsequently, the Support plate 7 with the attached cores 6, the Transverse walls 3, 4 and the first longitudinal wall 1 relative to the ground 5 moves down. The carrier element B is then removed from the mold. It can be lifted from the ground 5 and transported away. The mold is for the production of the next support element B available. Removing the longitudinal walls or too The entire demolding process can also be done immediately after Shaking done. In this case, the walls are the concrete strut B rough trained. The rough education of the walls contributes to an improved connection with the site concrete. 4, another form is shown in cross section.
- a third form is shown.
- the carrier plate 7 arranged vertically. She is relative to the second Longitudinal wall 2 displaceable.
- the attached to the support plate 7 Form cores 6 pass through corresponding openings (not shown here) of the second longitudinal wall 2.
- the bottom 5 has further breakthroughs through which the extensions 12th succeed.
- the bottom 5 is designed as a grate.
- the armor scaffolding Here A only consists of an upper 8 and a lower flange 9, which is connected by diagonals 10 are.
- FIGS. 7a-g show schematic cross sections of the invention produced support elements B, these being different have configured Arm michsgerüste A. It can Arm michsgerüste with one, two or three Ober- 8 and 9 are to be infused. Depending on the requirement of the Bending stiffness of the support elements B can Arm michsgerüste A in cross section e.g. also rectangular be.
- the carrier element B shown in FIG. 7g can also be used as a decker element Cover or as a cover for receiving walls to be used.
- the carrier element according to FIG Longitudinal walls in cross-section on a groove.
- Such Groove further contributes to increasing the flexural rigidity of Carrier elements B at.
- Fig.7h is the cross section of the carrier element B executed in the manner of a truncated cone. A Such cross-sectional shape can be particularly easy with site concrete umgie hybrid.
- FIG 8 is a perspective support element according to the invention shown.
- An upper side O of the carrier element B points in regular intervals 18 wells.
- the recesses 18 have a depth of more than 30 mm. The depth is preferably 40 to 60 mm.
- the length of the recesses 18 is chosen so that a reinforcing grid completely in the recesses 18 of the support element B engages. Over a Underside U stand out the extensions 12.
- Fig.9 is the production of a concrete ceiling element schematically shown.
- the distributors 19 are equipped with (not shown here) Provided spacer elements.
- the arrangement of the distributors 19 and the spacer is decisive for the Recording the weight and adjusting the support elements B.
- the support elements B are perpendicular to the manifolds 19th arranged. They lie with their underside U on the distributors 19 on. Possibly provided extensions 12 are not enough to the bottom of the formwork or box 20.
- Fig.10 is schematically the production of a concrete ceiling shown using the concrete ceiling element of Figure 9.
- the concrete ceiling elements according to the invention can without Unterjochung be placed on the floor to be spanned. Subsequently Be reinforcement grid 21 so on the concrete ceiling elements placed them in the hollows 18 of the Carrier elements B come to rest. Reinforcement grid 21 are suitably placed so that they have several concrete ceiling elements overlap. Then the infusion takes place the site concrete layer.
- the site concrete layer is by means of a Pulled off peel, where as a contact surface of the peel the top O of the support elements B is used.
- the carrier element B according to the invention is suitable for the production of prefabricated concrete wall systems, special constructions, Beamed ceilings, ⁇ plate elements and beams.
- the randliche support elements of the concrete ceiling elements are respectively with the reference numeral 22, cast thereon the concrete formwork panels designated by the reference numeral 23.
- the support elements 22 and B can have openings 24, which is primarily an influence and intimate interlocking with the place concrete allow. Further breakthroughs are in the form of cylindrical holes 25a or slots 25b educated.
- the marginal support elements 22 are preferably designed so that with adjacent concrete Deckenele-elements a hole 25a approximately in the center of a slot 25b the carrier element 22 of the opposite concrete ceiling element opposite. That allows the means to compensate for an edge offset of a bottom U 'of Concrete ceiling elements even with a lateral offset of To install concrete ceiling elements.
- the further openings 25a and 25b have lower surface portions on which near the bottom of the concrete formwork panel to find oneself.
- a distance down between the further breakthroughs 25a and 25b and their lower surface portions is chosen so that he at least in the marginal Carrier elements 22 is always the same size.
- the production an equal distance Ab can by providing suitable holding devices for receiving the randlichen Carrier elements 22 when casting the concrete formwork panel 23rd be achieved.
- Such holding devices may e.g. firmly be connected to the bottom of the formwork and have studs, which engage in the further openings 25a and 25b. So is the production of a consistent distance From guaranteed. This measure helps to ensure that a possibly occurring edge offset of the underside U ' can be reliably compensated.
- the means to compensate The edge offset can be from a tapered Bolt 26 and one with a corresponding conical Recessed counterpart 27 exist.
- the counterpart 27 is preferably inserted into the cylindrical hole 25 a.
- the bolt 26 is through an opposite slot 25 b plugged and driven into the counterpart 27.
- An approximately existing one Offset of the undersides U of the adjacent concrete formwork panels 23 is compensated.
- Another (not shown here) means for balancing the Kantenversatzes consists of a metal rod, which by the further breakthroughs 25a and 25b is inserted.
- the metal bar is provided with two continuous threaded holes for receiving adjusting screws.
- the adjusting screws reach through the threaded holes. They are supported on the top of the concrete shuttering panel 23 in the area between the side edge and the marginal support member 23rd By means of their adjustment screws can on top of the concrete formwork panel 23 pressure be exercised, so that their Edge area to compensate for an edge offset slightly is bent down.
- An end face 28 of the concrete formwork panels 23 may further have at least one second recess 29.
- the second Recess 29 may be formed in the manner of a groove and extend over the entire length of the end face 28.
- a frontal upper edge has an inclined surface S. she Sloping surface S allows the inflow of site concrete in one formed between the adjacent concrete ceiling elements Gap.
- mating elements 30 When mounting the concrete ceiling elements, e.g. concrete manufactured mating elements 30 in the / the second recess / s 29 are inserted.
- the mating elements 30 can also e.g. by means of an adhesive in the second recess (s) 29 be attached to one of the concrete ceiling elements. That makes it easier the assembly.
- the provision of the mating elements 30th also contributes to an offset of the lower surfaces U ' to avoid the adjacent concrete ceiling elements.
- the second recesses 29 and the fitting elements 30 are preferably on the end faces 28 of the concrete ceiling elements be provided, which is not parallel to the support elements 22nd run. With regard to the formation of a distance of a located near the bottom U of the concrete ceiling elements Surface elements of the recesses 29 is on the training the distance from the further openings 25a and 25b directed.
- the mating elements 30 can of course also be made in other geometries. You can in cross section also rectangular, square or triangular be. In the case of the shown in Fig. 11 in cross section triangular formation of the fitting element 30, it is also possible the second recess 29 in such a way that the long Side of the triangle near the top of the concrete formwork panel 23 arranged and the apex of the triangle to Bottom U is turned.
- the reverse arrangement of the in the second recess 29 inserted fitting member 30 may also be advantageous for static reasons.
- Fig. 14 shows a plan view of a section of another Concrete ceiling element.
- the carrier elements 22 point here in opposite directions vertically extending Grooves 31 on.
- the grooves 31 serve to receive shear plates 32.
- the thrust plates 32 are before pouring the site-concrete inserted in the grooves 31.
- Fig. 15 shows such a Thrust plate 32, with holes 33 for the passage of Place concrete is provided.
- the grooves 31 may be provided in projections 34.
- the Projections 34 do not necessarily have grooves 31.
- the projections 34 form similar to the thrust plates 32nd with the place concrete a toothing, which shear forces receives.
- a concrete ceiling elements constructed using such prepared concrete pavement can advantageously be used without the provision of a ring anchor.
- FIGS. 16a to f show embodiments of concrete carrier elements B.
- the Arm istsgerüst A has between the Upper chord 8 and the lower chord 9 one arranged in parallel Diagonals 10 formed strand.
- the parallel Diagonal 10 are with each other with stiffening struts 35 connected.
- the embodiments shown differ in the Filling with concrete, which takes the form of a circular signature has been identified.
- the respective choice of the shown Embodiment depends on the required bending stiffness of the concrete ceiling element.
Description
dadurch gekennzeichnet, dass
am Boden und eventuell an mindestens einer der Längswände der Form Vorsprünge zur Bildung von Nuten und/oder Ausnehmungen am Trägerelement vorgesehen sind
und gekennzeichnet durch folgende weitere Schritte:
- Fig. 1a
- eine Draufsicht auf eine Form in einem ersten Zustand,
- Fig. 1b
- eine Querschnittsansicht nach Fig. 1a,
- Fig. 2a
- eine Draufsicht auf die Form nach Fig. 1a in einem zweiten Zustand,
- Fig. 2b
- eine Schnittansicht nach Fig. 2a,
- Fig. 3a
- eine Draufsicht nach Fig. 1a in einem dritten Zustand,
- Fig. 3b
- eine Schnittansicht nach Fig. 3a,
- Fig. 4
- eine Querschnittsansicht durch die Form mit einem Armierungsgerüst in erster Position,
- Fig. 5
- eine Querschnittsansicht durch die Form mit einem Armierungsgerüst in zweiter Position,
- Fig. 6
- eine Querschnittsansicht durch die Form mit einem weiteren Armierungsgerüst,
- Fig. 7a - i
- schematische Armierungsgerüstgeometrien,
- Fig. 8
- eine perspektivische Ansicht einer Betonstrebe,
- Fig. 9
- die Herstellung eines Deckenelements,
- Fig. 10
- die Herstellung einer Betondecke,
- Fig. 11
- eine schematische Querschnittsansicht des Randbereichs zweier aneinanderliegender Beton-Deckenelemente,
- Fig. 12
- eine Draufsicht auf zwei aneinanderliegende Beton-Deckenelemente,
- Fig. 13
- eine Schnittansicht gemäß der Schnitt-Linie A-A' in Fig. 12,
- Fig. 14
- eine Draufsicht auf ein weiteres Beton-Deckenelement,
- Fig. 15
- eine Seitenansicht eines Schubblechs und
- Fig. 16a - f
- verschiedene Ausführungsformen von Trägerelementen in schematischer Seitenansicht.
- 1
- erste Längswand
- 2
- zweite Längswand
- 3
- erste Querwand
- 4
- zweite Querwand
- 5
- Boden
- 6
- Formkern
- 7
- Trägerplatte
- 8
- Obergurt
- 9
- Untergurt
- 10
- Diagonale
- 11
- Durchgriffsfläche
- 12
- Fortsatz
- 13
- erste Ausnehmung
- 14
- Aufdoppelung
- 15
- Beton
- 16
- Zapfen
- 17
- Vorsprung
- 18
- Eintiefung
- 19
- Verteiler
- 20
- Kastenform
- 21
- Bewehrungsgitter
- 22
- randliches Trägerelement
- 23
- Beton-Schalungsplatte
- 24
- Durchbruch
- 25a, b
- weitere Durchbrüche
- 26
- Bolzen
- 27
- Gegenstück
- 28
- Stirnseite
- 29
- Ausnehmung
- 30
- Paßelement
- 31
- Nut
- 32
- Schubblech
- 33
- Loch
- 34
- Vorsprung
- 35
- Versteifungsstrebe.
- A
- Armierungsgerüst
- O
- Oberseite
- U, U'
- Unterseite
- B
- Beton-Trägerelement
- s
- Schrägfläche
- Ab
- Abstand
Claims (21)
- Beton-Deckenelement bei dem eine Mehrzahl parallel angeordneter aus mit Beton umgossenen Armierungsgerüsten (A) hergestellter Trägerelemente (B, 22) derart in eine Beton-Schalungsplatte (23) eingegossen sind,
dass in den Trägerelementen (B, 22) vorgesehene Durchbrüche (24, 25a, 25b) frei sind,
dass zumindest die randseitigen Trägerelemente (22) weitere Durchbrüche (25a, 25b) zum Einsetzen eines Mittels zum Ausgleich eines Kantenversatzes aufweisen und
dass die weiteren Durchbrüche (25a, 25b) jeweils im selben Abstand (Ab) von einer Unterseite (U) der Beton-Schalungsplatte (23) angeordnet sind,
dadurch gekennzeichnet, dass an der Oberseite (O) der Trägerelemente (B, 22) in regelmäßigen Abständen Eintiefungen (18) zum Einlegen eines Bewehrungsgitters (21) vorgesehen sind. - Beton-Deckenelement nach Anspruch 1, wobei in den Seitenwänden der Trägerelemente (B, 22) in einander gegenüberliegender Anordnung vertikale Nuten (31) zum Einstecken von Schubblechen (32) vorgesehen sind.
- Beton-Deckenelement nach einem der Ansprüche 1 oder 2, wobei die Seitenwände der Trägerelemente (B, 22) Vorsprünge (34) zur Bildung einer Schubverzahnung mit dem Ort-Beton aufweisen.
- Beton-Deckenelement nach einem der vorhergehenden Ansprüche, wobei eine Stirnseite (28) der Beton-Schalungsplatte (23) mindestens eine Ausnehmung (29), vorzugsweise nach Art einer umlaufenden Nut, zur Aufnahme von Paßelementen (30) aufweist.
- Beton-Deckenelement nach einem der vorhergehenden Ansprüche, wobei Paßelemente (30) in die Ausnehmung (29) eingeklebt sind.
- Beton-Deckenelement nach einem der vorhergehenden Ansprüche, wobei die Oberkanten der Beton-Schalungsplatte (23) abgeschrägt sind.
- Verfahren zur Herstellung eines Beton-Deckenelements nach einem der vorhergehenden Ansprüche, bei dem eine Beton-Schalungsplatte (23) mit biegesteifen Trägerelementen (B, 22) versehenen ist, mit folgenden Schritten zur Herstellung eines Trägerelements:a) Herstellen eines Armierungsgerüsts (A), bei dem mindestens ein Obergurt (8) und mindestens ein Untergurt (9) mit Diagonalen (10) derart verbunden sind, dass von den Diagonalen (10) Durchgriffsflächen (11) begrenzt werden,b) Einsetzen des Armierungsgerüsts (A) in eine Form,
dadurch gekennzeichnet, dass
am Boden oder am Boden und an mindestens einer der Längswände der Form Vorsprünge zur Bildung von Nuten und/oder Ausnehmungen am Trägerelement vorgesehen sind
und gekennzeichnet durch folgende weitere Schritte:c) Einfahren von Formkernen (6) durch die Durchgriffsflächen (11),d) Eingießen von Beton (15) in die Form,e) Herausziehen der Formkerne (11) und Entformen der Trägerelemente (B, 22),f) Einsetzen der nach den Schritten lit. a bis lit. e hergestellten Trägerelemente (B, 22) in eine Schalung undg) Angießen der Beton-Schalungsplatte (23), - Verfahren nach Anspruch 7, wobei vor dem Schritt lit. b Mittel (16) zum Justieren des Armierungsgerüsts (A) in die Form eingebracht werden.
- Verfahren nach einem der Ansprüche 7 oder 8, wobei vor dem Schritt lit. b Abstandshalter am Armierungsgerüst (A) angebracht werden.
- Verfahren nach einem der Ansprüche 7 bis 9, wobei das Armierungsgerüst (A) hängend an über den Untergurt (9) hervorstehenden Fortsätzen (12) der Diagonalen (10) der Form gehalten wird.
- Verfahren nach einem der Ansprüche 7 bis 10, wobei das Armierungsgerüst (A) so in die Form eingesetzt wird, dass die Formkerne (6) von einer Längswand (1, 2) der Form her durch die Durchgriffsflächen (11) bewegbar sind.
- Verfahren nach einem der Ansprüche 7 bis 11, wobei das Armierungsgerüst (A) so in die Form eingesetzt wird, dass die Formkerne (6) von einem Boden (5) oder einer Öffnung der Form her durch die Durchgriffsflächen (11) bewegbar sind.
- Verfahren nach Anspruch 12, wobei über den Untergurt (9) hervorstehende Fortsätze (12) der Diagonalen (10) im eingesetzten Zustand in eine an einer zweiten Längswand (2) der Form anliegende Aufdoppelung (14) eingetaucht werden.
- Verfahren nach einem der Ansprüche 7 bis 13, wobei der Boden (5) oder eine Längswand (2) der Form aus einem Rost gebildet ist und das Armierungsgerüst (A) so in die Form eingesetzt wird, dass die über den Untergurt (9) hervorstehenden Fortsätze (12) der Diagonalen (10) den Rost durchgreifen.
- Verfahren nach einem der Ansprüche 7 bis 14, wobei die Form zum Verdichten auf einem Rütteltisch aufgenommen ist und der Beton (15) nach dem Eingießen in die Form verdichtet wird.
- Verfahren nach einem der Ansprüche 7 bis 15, wobei als Beton (15) selbstverdichtender Fließbeton verwendet wird.
- Verfahren nach einem der Ansprüche 7 bis 16, wobei das Entformen nach dem Verdichten durchgeführt wird, solange der Beton eine erdfeuchte Konsistenz aufweist.
- Verfahren nach einem der Ansprüche 7 bis 17, wobei zum Entformen mindestens eine Seitenwand und die Querwände (1, 3, 4) der Form zusammen mit den Formkernen (6) relativ zum Boden (5) der Form bewegt werden.
- Verfahren nach einem der Ansprüche 7 bis 18, wobei die entformten Trägerelemente (B, 22), vorzugsweise für eine Dauer von 8 bis 24 Stunden, auf eine Temperatur von 30 bis 40°C erwärmt werden.
- Verfahren nach einem der Ansprüche 7 bis 19, wobei die Schalung einen, vorzugsweise umlaufenden Vorsprung zur Bildung einer, vorzugsweise nach Art einer umlaufenden Nut ausgebildeten, Ausnehmung (29) in der Stirnseite (28) der Beton-Schalungsplatte (23) aufweist.
- Verfahren nach einem der Ansprüche 7 bis 20, wobei zumindest die randseitigen und parallel zur Kante der Beton-Schalungsplatte (23) angeordneten Trägerelemente (22) einen weiteren Durchbruch (25a, 25b) zum Einsetzen eines Mittels zum Ausgleich eines Kantenversatzes aufweisen, wobei das Trägerelement (22) bei der Herstellung der Beton-Schalungsplatte (23) so in der Schalung gehalten oder abgestützt wird, dass die weiteren Durchbrüche (25a, 25b) jeweils denselben Abstand (Ab) zum Boden der Schalung aufweisen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10018212A DE10018212B4 (de) | 2000-04-12 | 2000-04-12 | Verfahren zur Herstellung eines Beton-Deckenelements mit biegesteifen Beton- Trägerelementen, Deckenelement und Vorrichtung zur Durchführung des Verfahrens |
DE10018212 | 2000-04-12 |
Publications (2)
Publication Number | Publication Date |
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EP1146180A1 EP1146180A1 (de) | 2001-10-17 |
EP1146180B1 true EP1146180B1 (de) | 2005-11-30 |
Family
ID=7638530
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Application Number | Title | Priority Date | Filing Date |
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EP01109123A Expired - Lifetime EP1146180B1 (de) | 2000-04-12 | 2001-04-12 | Verfahren zur Herstellung eines Beton-Deckenelements und Beton-Deckenelement |
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EP (1) | EP1146180B1 (de) |
AT (1) | ATE311503T1 (de) |
DE (2) | DE10018212B4 (de) |
Families Citing this family (24)
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CN100362184C (zh) * | 2002-04-30 | 2008-01-16 | 邱则有 | 一种钢筋砼立体承力结构楼盖 |
CN100427700C (zh) * | 2002-04-30 | 2008-10-22 | 邱则有 | 一种钢筋砼用立体承力模壳 |
CN100408783C (zh) * | 2002-04-30 | 2008-08-06 | 邱则有 | 一种钢筋砼用立体承力模壳 |
CN100408775C (zh) * | 2002-04-30 | 2008-08-06 | 邱则有 | 一种钢筋砼立体承力结构楼盖 |
CN1782253B (zh) * | 2002-04-30 | 2010-04-14 | 邱则有 | 一种钢筋砼立体承力结构楼盖 |
CN100408780C (zh) * | 2002-04-30 | 2008-08-06 | 邱则有 | 一种钢筋砼用立体承力模壳 |
CN100408777C (zh) * | 2002-04-30 | 2008-08-06 | 邱则有 | 一种钢筋砼立体承力结构楼盖 |
CN100408778C (zh) * | 2002-04-30 | 2008-08-06 | 邱则有 | 一种钢筋砼立体承力结构楼盖 |
CN101240571B (zh) * | 2002-04-30 | 2012-11-28 | 湖南邱则有专利战略策划有限公司 | 一种钢筋砼用立体承力模壳 |
CN100370097C (zh) * | 2002-04-30 | 2008-02-20 | 邱则有 | 一种钢筋砼用立体承力模壳 |
CN1782258B (zh) * | 2002-04-30 | 2010-04-21 | 邱则有 | 一种钢筋砼立体承力结构楼盖 |
CN100368644C (zh) * | 2002-04-30 | 2008-02-13 | 邱则有 | 一种钢筋砼用立体承力模壳 |
CN100408782C (zh) * | 2002-04-30 | 2008-08-06 | 邱则有 | 一种钢筋砼用立体承力模壳 |
CN100412295C (zh) * | 2002-04-30 | 2008-08-20 | 邱则有 | 一种钢筋砼用立体承力模壳 |
CN100439617C (zh) * | 2002-04-30 | 2008-12-03 | 邱则有 | 一种钢筋砼立体承力结构楼盖 |
CN100560899C (zh) * | 2002-04-30 | 2009-11-18 | 邱则有 | 一种钢筋砼立体承力结构楼盖 |
CN100412294C (zh) * | 2002-04-30 | 2008-08-20 | 邱则有 | 一种钢筋砼用立体承力模壳 |
CN100535306C (zh) * | 2003-05-20 | 2009-09-02 | 邱则有 | 一种钢筋砼空心板 |
EP1795666A1 (de) * | 2005-12-12 | 2007-06-13 | Bartoli N.V. | Stützträgerelement, Bausystem und Verfahren |
EP2024580A1 (de) | 2006-05-30 | 2009-02-18 | Technische Universität Wien | Flächige beton-tragkonstruktion sowie verfahren zur herstellung derselben |
DE102007040263B3 (de) * | 2007-08-24 | 2008-11-13 | Cowatec Ag | Verfahren und Vorrichtung zur Herstellung eines Beton-Deckenelements |
DE102009028226A1 (de) | 2009-08-04 | 2011-02-17 | Vacu Team Gmbh | Betonelement und Verfahren zur Herstellung einer Betondecke |
WO2011034420A1 (en) * | 2009-09-15 | 2011-03-24 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Hollow core slab with improved fire resistance |
EP2299020A1 (de) * | 2009-09-15 | 2011-03-23 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Hohlkernplatte mit verbesserter Brandbeständigkeit |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR508838A (fr) * | 1920-01-22 | 1920-10-25 | Emile Legrand | Perfectionnements apportés aux poutrages en ciment armé |
DE913691C (de) * | 1943-04-06 | 1954-06-18 | Edmund Heiker Dipl Ing | Stahlbetonrippendecke aus vorher gefertigten Stahlbetonrippen und Platten |
FR901172A (fr) * | 1944-01-13 | 1945-07-19 | Plancher en béton armé | |
GB849900A (en) * | 1955-09-19 | 1960-09-28 | Gwylon Isaac | An improved method of forming a monolithic structure of beams and of planks or slabs of reinforced or prestressed concrete or the like |
DE1659257A1 (de) * | 1967-03-07 | 1971-11-25 | Andrea Turcotti | Bauelement,Balken,Pfeiler,Bogentraeger u. dgl. mit mehrfachem Widerstandsmoment |
GB1284402A (en) * | 1968-08-06 | 1972-08-09 | Rheinbau Gmbh | Improvements in and relating to building constructions |
FR1585458A (de) * | 1968-08-08 | 1970-01-23 | ||
GB2178775B (en) * | 1983-10-28 | 1987-07-15 | Trent Jetfloor Ltd | Dry-laid floors using foamed plastics material blocks |
FR2604943B1 (fr) * | 1986-09-25 | 1991-04-05 | Cerib | Procede de fabrication d'un element de construction en beton leger comportant des conduits longitudinaux et transversaux |
DE3714581C2 (de) * | 1987-04-30 | 1995-04-27 | Hugo Bittlmayer | Vorrichtung zum lagerichtigen Anordnen vorgefertigter Bewehrungen in Stahlbetonelementdeckenplatten |
DE19815328A1 (de) * | 1998-04-06 | 1999-10-07 | Werner Simon | Beton-Deckenelement |
-
2000
- 2000-04-12 DE DE10018212A patent/DE10018212B4/de not_active Expired - Fee Related
-
2001
- 2001-04-12 EP EP01109123A patent/EP1146180B1/de not_active Expired - Lifetime
- 2001-04-12 DE DE50108213T patent/DE50108213D1/de not_active Expired - Lifetime
- 2001-04-12 AT AT01109123T patent/ATE311503T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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DE50108213D1 (de) | 2006-01-05 |
EP1146180A1 (de) | 2001-10-17 |
DE10018212B4 (de) | 2007-11-22 |
ATE311503T1 (de) | 2005-12-15 |
DE10018212A1 (de) | 2001-10-25 |
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