EP3121349B1 - Schalungsstruktur zur ausführung von horizontalem giessen zur bereitstellung von bodenplatten - Google Patents

Schalungsstruktur zur ausführung von horizontalem giessen zur bereitstellung von bodenplatten Download PDF

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Publication number
EP3121349B1
EP3121349B1 EP16179964.8A EP16179964A EP3121349B1 EP 3121349 B1 EP3121349 B1 EP 3121349B1 EP 16179964 A EP16179964 A EP 16179964A EP 3121349 B1 EP3121349 B1 EP 3121349B1
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EP
European Patent Office
Prior art keywords
formwork structure
flat base
longitudinal
load
lateral
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.)
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EP16179964.8A
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English (en)
French (fr)
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EP3121349A1 (de
Inventor
Guido Faresin
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.)
Faresin Building SpA
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Faresin Building SpA
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Publication of EP3121349A1 publication Critical patent/EP3121349A1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/38—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for plane ceilings of concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/483—Supporting heads
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50—Girders, beams, or the like as supporting members for forms

Definitions

  • the present invention relates to a formwork structure for the execution of horizontal castings for the provision of floor slabs.
  • Each panel comprises at least two longitudinal profiles, for resting on the load-bearing heads, which are mutually connected by transverse elements.
  • the load-bearing heads and the longitudinal profiles of the panels are contoured so as to make it possible to hang a panel between two load-bearing heads, in an intermediate configuration of assembly or disassembly, i.e. before the panel is lifted into the horizontal configuration of use, or during the step of removing the panel.
  • a first drawback is linked to the fact that the parts for hanging a panel between two load-bearing heads, although they fully ensure the coupling of a longitudinal profile to those load-bearing heads and the retention of the coupled panel, if the panel is improperly pushed upward from below when in the hanging configuration, the longitudinal profile might disengage from the load-bearing heads, with consequent dangers for the operators nearby and for the surrounding formwork structure.
  • the longitudinal profiles of the panel in order to be capable of being used as described above, have to be machined with operations to perforate them and remove material in order to determine passages for corresponding engagement portions defined on the load-bearing heads; simultaneously, the load-bearing heads themselves have a complex shape, with specially-contoured coupling elements.
  • GB 1 457 136 A discloses a floor shuttering supported on parallel secondary beams, pairs of which are supported on props respectively, each of which has an upper head plate, and a vertically-movable drop-head under plate, which supports the secondary beams, and also primary beams running at right angles thereto, there being at least one secondary beam spanning the primary beams, the shuttering supporting flanges on the secondary beams being above the upper edges of the primary beams.
  • Saddles may be employed to support the ends of intermediate secondary beams, which in turn may be interchangeable with the primary beams.
  • an end piece may be fitted to one end only of an intermediate beam, to pick up the adjacent end of another such beam.
  • a captive wedge is employed to fix the end of the intermediate beam.
  • DE 10 2006 015348 A1 discloses a floor slab formwork system having multiple formwork elements, which has a bearing coupled at the lower surface of the formwork element with heads of vertical support.
  • the head of vertical support has an anti-lift safety device that fixes a bearing of a form work element in vertical direction.
  • the anti-lift safety device is formed as the clamp element.
  • EP 0 130 425 A2 discloses form work for floors, consisting of form panels having a box-type frame opened downwards and comprising longitudinal stiffers and transverse spars, the transverse spars being provided with a flange protuding to the inner side, and consisting of nose sections supporting the corners of adjacent form panels, the nose sections comprising a rectangular baseplate, close to the four corners of which upright protusions being formed as pins being provided, the pins engaging into the corners of frames of form panels laid thereon.
  • connection pieces located at the corners of said base-plate, the connection pieces being provided in pairs in mutual distance at the longitudinal sides of the baseplate, and bars being of T-form in cross section and extending in a longitudinal direction of the baseplate are located between the connection pieces on the upper side of said baseplate, the upper flanges of the baseplate, the upper flanges of the bars being gripped under and gripped round respectively, by a flange protudng outwards or a recess of the transverse spars of a respective form panel.
  • DE 203 20 773 U1 discloses a supporting head for ceiling or floor shuttering system that is designed to be mounted on top of a support resting on the ground and comprising a main body, a beam support part which can be slid along the main body, a fixing part for fixing the beam support part into position relative to the main body and a shuttering board support part.
  • the beam support part has a support surface for supporting two adjoining beams at once.
  • the aim of the present invention is to provide a formwork structure that is capable of overcoming the limitations of conventional formwork systems.
  • an object of the invention is to provide a formwork structure for the execution of horizontal castings for the provision of floor slabs which makes it possible to mount the formwork panels more safely, in particular with regard to hanging with coupling of the formwork panel to the load-bearing heads, both in the steps of preparation for assembly and in the steps of the actual assembly and, lastly, in the step of disassembly after use.
  • Another object of the present invention is to provide a formwork structure that is particularly resistant to the loads applied thereto.
  • Another object of the present invention is to provide a formwork structure for floor slabs, which has the safety systems required by regulations in the construction sector.
  • a further object of the invention is to provide a formwork structure that is simple and immediate to use by workers.
  • a still further object of the invention is to provide a formwork structure that is simpler to provide in terms of construction, by way of production processes that are simple, fast, and lower cost than similar, conventional formwork structures.
  • a formwork structure for the execution of horizontal castings for the provision of floor slabs is generally designated with the reference numeral 10.
  • the formwork structure 10 comprises a plurality of props, of which, for example, three props are designated in Figure 1 with the numerals 11, 12 and 13, and load-bearing heads, for example 14, 15, 16, to be arranged on the props 11, 12, 13 for the resting of panels, one of which is shown for the purposes of example in Figure 1 and designated therein with 17, designed to define a surface for a concrete casting.
  • Each panel 17 comprises at least two longitudinal profiles 18 and 19, lateral, for resting on the load-bearing heads 14, 15, 16.
  • the lateral longitudinal profiles 18 and 19 are mutually connected by transverse elements 20.
  • the formwork structure 10 according to the invention is defined in claim 1 and characterized by the following peculiarity.
  • Each of the longitudinal profiles 18 and 19 comprises, as can clearly be seen in Figure 2 for a first longitudinal profile 18:
  • Each of the load-bearing heads 14, 15, 16 comprises:
  • the flat base 24 is quadrangular, and has means for fixing to a corresponding end plate 32 of a prop, for example 11.
  • Such fixing means in a first variation of embodiment shown in Figures 3, 4 and 5 , are constituted by two opposite clamp devices 33 and 34, which are positioned on the two sides of the flat base 24 that are free from the shoulders 27 and 28.
  • the clamp devices 33 and 34 are each constituted by an appendage 35 of the flat base 24 and by a grip plate 36 placed opposite, each defining a jaw of the vise-like device, there being a screw 37 and a corresponding wing-nut or bolt 38 for tightening the appendage 35 and plate 36 on a corresponding edge of the end plate 32 of a prop 11.
  • centering shims 39 Positioned below the appendages 35 are corresponding centering shims 39 which are preset to facilitate the correct positioning of the load-bearing head 14 on the plate 32.
  • the fixing means in a second variation of embodiment shown in Figures 6 and 7 , are constituted by two opposite wedge-like devices 133 and 134, which are positioned on the two sides of the flat base 24 that are free from the shoulders 27 and 28.
  • the wedge-like devices 133 and 134 are each constituted by an appendage 135 of the flat base 24 and by a wedge-shaped plate 136 arranged opposite, the latter pivoted to a screw 137 passing through the appendage 135 and held thereupon by way of a nut or bolt 138.
  • the wedge-shaped plate 136 has a flat body provided with a hole for pivoting to the shank of the screw 137, and has an arc-shaped perimetric profile edge, and a thickness that increases from a first end 140 to the opposite, second end 141 of the same arc-shaped edge.
  • the wedge-shaped plate 136 is able to rotate about the shank of the screw 137, by way of a lever appendage 142 between a configuration for coupling, shown for the purposes of example in Figure 7 , with the plate arranged below the head 32 of a prop 11, and a configuration for disengagement, with the plate 136 rotated so as not to affect the head 32.
  • the lateral shoulders 27 and 28 are each constituted by a lower part 45, which extends from the flat base 24 for the entire length of the corresponding side 25 and 26, and by two supporting wings 46 and 47, which are bent outward in the configuration for use of the load-bearing head 14, and are spaced apart in the direction of extension of the same corresponding side 25 and 26.
  • the lower part 45 extends at right angles to the flat base 24.
  • the supporting wings 46 and 47 extend according to an arrangement that is parallel to the flat base 24.
  • auxiliary protrusion 50 between two laterally adjacent supporting wings 46 and 47 which extends from the same lower part 45 and extends toward the central raised portion 29 and is preset to come into contact with the lower part 23 of a longitudinal profile 18 and 19 in order to guide its rotation.
  • the auxiliary protrusion 50 is constituted by a wing that extends from the lower part 45 of the shoulder 27 and 28, bent toward the central raised portion 29, at a lower height than the supporting wings 46 and 47.
  • the longitudinal profile 18 and 19 is constituted, in the present embodiment, by a single metallic drawn element, in which the central body 21 is flat, the first part 22 is tubular with a triangular cross-section, and the second part 23 widens on one side into a ridge, obviously longitudinal, the lower surface 53 of which is preset for resting on the flat base 24, while its upper surface 54 is preset to encounter the auxiliary protrusion 50 in the steps of assembly and disassembly, as can be seen from Figures 10 , 11 and 12 , which in the sequence described, show three separate steps of mounting a profile 18 on a load-bearing head 14.
  • the central raised portion 29 is constituted, by a U-shaped bracket 56, which is fixed to the flat base 24, and by an upper plate 57 the lateral portions of which define the cantilevered lateral flaps 30 and 31.
  • the load-bearing heads 14 also have vertical plates 60 which are adapted to prevent the translation of the longitudinal profiles 18 and 19 in the direction of their longitudinal extension.
  • the cantilevered lateral flaps 30 and 31 prevent the involuntary disengagement of the longitudinal profile 18 and 19 of a panel 17 from a load-bearing head 14, both in the configuration for assembly and in the in configuration for disassembly.
  • the supporting wings 46 and 47 cooperate to keep the central body 21 of a longitudinal profile 18 and 19 substantially horizontal in the intermediate configuration of assembly or disassembly shown in Figure 9 , with the central body 21 resting on the supporting wings 46 and 47 and the second part 23 resting against a tipping prevention lateral flap 30, so as to prevent the weight of the transverse elements 20 from causing the downward rotation and the uncoupling of the panel 17.
  • a formwork structure has been devised for the execution of horizontal castings for the provision of floor slabs which makes it possible to mount the formwork panels more safely, in particular with regard to hanging with coupling of the formwork panel to the load-bearing heads, both in the steps of preparation for assembly and in the steps of the actual assembly and, lastly, in the step of disassembly after use.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (8)

  1. Eine Einschalungsstruktur (10) für die Durchführung von horizontalen Einformungen für die Bereitstellung von Bodenplatten von dem Typ, der eine Vielzahl von Stützen (11, 12, 13) und lasttragenden Köpfen (14, 15, 16), um auf den genannten Stützen (11, 12, 13) angeordnet zu werden, umfasst, für das Aufliegen von Platten (17) gestaltet, um eine Oberfläche für ein konkretes Einformen zu definieren, wobei jede Platte (17) mindestens zwei längsstehende Profile (18, 19) für das Aufliegen auf die genannten lasttragenden Köpfe (14, 15, 16) umfasst, und beidseitig verbunden durch querlaufende Elemente (20), worin:
    - jedes der genannten längsstehenden Profile (18, 19) einen zentralen Körper (21) umfasst, einen ersten längsstehenden Teil (22) für das Fixieren der genannten querlaufenden Elemente (20), und ein gegenüber zu dem ersten längsstehenden Teil (22),
    ein zweites längsstehendes Kantenteil (23) für das Aufliegen des längsstehenden Profils (18, 19) auf einem lasttragenden Kopf (14, 15, 16),
    - jeder der genannten lasttragenden Köpfe (14, 15,16) einen flachen Boden (24) umfasst, von welchem sich mindestens eine seitliche Schulter (27, 28) erstreckt, auf jeder von zwei gegenüberliegenden (25, 26),
    und ein zentraler erhöhter Abschnitt (29), welcher sich von derselben Seite wie die genannten seitliche Schultern (27, 28) erstreckt, mit ausladenden seitlichen Klappen (30, 31), welche sich von derselben Seite wie eine entsprechende seitliche Schulter (27, 28) der Einschalungsstruktur erstrecken, dadurch gekennzeichnet, dass die mindestens eine seitliche Schulter (27, 28) für das Aufliegen des genannten zentralen Körpers (21) eines genannten längsstehenden Profils (18, 19) in einer zwischen Konfiguration von Aufbau oder Abbau ist, und zusammen mit den ausladenden seitliche Klappen voreingestellt ist, um ein Abladungsverhinderungswiderlager für den genannte zweiten längsstehenden Kantenteil (23) eines genannten längsstehenden Profils (18, 19) in der genannten Zwischenkonfiguration von Aufbau oder Abbau zu definieren,
    wobei die genannten seitlichen Schultern (27, 28) jeweils durch einen unteren Teil (45) errichtet sind, welcher sich von dem flachen Boden (24) über die gesamte Länge der entsprechenden Seite (25, 26) erstreckt, und durch zwei stützende Flügel (46, 47), welche nach außen gebogen sind in der Konfiguration für die Verwendung des lasttragenden Kopfes (14) und in der Richtung der Verlängerung der genannten entsprechenden Seite (25, 26) voneinander beabstandet sind, und wobei sich der genannte untere Teil (45) in rechten Winkeln zu dem flachen Boden (24) erstreckt, wobei die genannten tragenden Flügel (46, 47) sich entlang einer Anordnung, welche parallel zu dem flachen Boden (24) ist, erstrecken.
  2. Die Einschalungsstruktur gemäß Anspruch 1, dadurch gekennzeichnet, dass der genannte flache Boden (24) mit Mitteln zum Fixieren einer entsprechenden Endplatte (32) einer Stütze (11) bereitgestellt ist.
  3. Die Einschalungsstruktur gemäß Anspruch 2, dadurch gekennzeichnet, dass die genannten Fixiermittel durch zwei gegenüberliegende Spannvorrichtungen (33, 34) errichtet sind, welche auf den zwei Seiten des flachen Bodens (24) angeordnet sind, welche frei von den Schultern (27, 28) sind.
  4. Die Einschalungsstruktur gemäß Anspruch 2, dadurch gekennzeichnet, dass die genannten Fixiermittel durch zwei gegenüberliegende keilförmige Vorrichtungen (133, 134) errichtet sind, welche auf den zwei Seiten des flachen Bodens (24), die frei sind von den Schultern (27, 28), angeordnet sind.
  5. Die Einschalungsstruktur gemäß einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es einen zusätzlichen Vorsprung (50) zwischen zwei seitlich angrenzenden stützenden Flügeln (46, 47) gibt, welcher sich von demselben unteren Teil (45) erstreckt und sich in Richtung des zentralen erhöhten Teils (29) ausdehnt, und voreingestellt ist, um mit dem unteren Teil (23) eines längsstehenden Profils (18, 19) in Kontakt zu kommen, um seine Drehung zu führen.
  6. Die Einschalungsstruktur gemäß Anspruch 5, dadurch gekennzeichnet, dass der genannte zusätzliche Vorsprung (50) durch einen Flügel errichtet ist, der sich von dem unteren Teil (45) der Schulter (27, 28) erstreckt, gebogen in Richtung des zentralen erhöhten Teils (29), in einer geringeren Höhe als die stützenden Flügel (46, 47).
  7. Die Einschalungsstruktur gemäß Anspruch 6, dadurch gekennzeichnet, dass das genannte längsstehende Profil (18, 19) durch ein einzelnes metallisches Ziehelement errichtet ist, in welchem der zentrale Körper (21) flach ist, der erste Teil (22) ist röhrenförmig mit einem dreieckigen Querschnitt, und der zweite Teil (23) weitet sich auf einer Seite in eine Leiste, deren untere Oberfläche (53) voreingestellt ist zum Aufliegen auf dem flachen Boden (24), während ihre obere Oberfläche (54) voreingestellt ist, um mit dem zusätzlichen Vorsprung (50) in den Schritten des Aufbaus und Abbaus in Berührung zu kommen.
  8. Die Einschalungsstruktur gemäß einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der genannte zentrale erhöhte Teil (29) durch eine U-förmige Klammer (56) errichtet ist, welche an den flachen Boden (24) befestigt ist, und durch eine obere Platte (57), deren seitliche Teile die genannten ausladenden seitlichen Klappen (30, 31) bestimmen.
EP16179964.8A 2015-07-20 2016-07-18 Schalungsstruktur zur ausführung von horizontalem giessen zur bereitstellung von bodenplatten Active EP3121349B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2015A002326A ITUB20152326A1 (it) 2015-07-20 2015-07-20 Struttura di casseratura per l'esecuzione di getti orizzontali per la realizzazione di solai

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Publication Number Publication Date
EP3121349A1 EP3121349A1 (de) 2017-01-25
EP3121349B1 true EP3121349B1 (de) 2018-06-27

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EP16179964.8A Active EP3121349B1 (de) 2015-07-20 2016-07-18 Schalungsstruktur zur ausführung von horizontalem giessen zur bereitstellung von bodenplatten

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11149434B2 (en) * 2017-08-02 2021-10-19 Doka Gmbh Method for producing a ceiling element and ceiling formwork

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Publication number Priority date Publication date Assignee Title
EP3702550A1 (de) * 2019-02-27 2020-09-02 DOKA GmbH Schalungsrahmen, schalungselement, deckenschalung und verfahren
EP3719238B1 (de) * 2019-04-03 2022-10-26 DOKA GmbH Haltekopf, schalungsstütze und deckenschalung
DE102019132222A1 (de) 2019-11-27 2021-05-27 Peri Gmbh Verbindungselement zur Verbindung eines Schalungsunterstützungskopfes mit einer Rohrstütze
CN111140008A (zh) * 2019-12-13 2020-05-12 中冶天工集团有限公司 一种拆后回顶的后浇带模板支撑***

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GB1457136A (en) * 1973-09-21 1976-12-01 Mills Scaffold Co Ltd Builders formwork
DE3323921A1 (de) * 1983-07-02 1985-01-03 Hünnebeck GmbH, 4030 Ratingen Deckenschalung
DE20320773U1 (de) * 2003-12-05 2005-03-24 Doka Ind Gmbh Amstetten Absenkkopf für ein Schalungssystem
DE102006015348A1 (de) * 2006-04-03 2007-10-04 Peri Gmbh Deckenschalungssystem

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11149434B2 (en) * 2017-08-02 2021-10-19 Doka Gmbh Method for producing a ceiling element and ceiling formwork

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ITUA20161964A1 (it) 2017-09-24
ITUB20152326A1 (it) 2017-01-20
EP3121349A1 (de) 2017-01-25

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