EP2499310B1 - Procédé de fabrication d'un élément de coffrage - Google Patents

Procédé de fabrication d'un élément de coffrage Download PDF

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Publication number
EP2499310B1
EP2499310B1 EP10768381.5A EP10768381A EP2499310B1 EP 2499310 B1 EP2499310 B1 EP 2499310B1 EP 10768381 A EP10768381 A EP 10768381A EP 2499310 B1 EP2499310 B1 EP 2499310B1
Authority
EP
European Patent Office
Prior art keywords
sub
segment
segments
base body
locking groove
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.)
Not-in-force
Application number
EP10768381.5A
Other languages
German (de)
English (en)
Other versions
EP2499310A1 (fr
Inventor
Werner Schneider
Andreas Meyer
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.)
Peri GmbH
Original Assignee
Peri 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.)
Filing date
Publication date
Application filed by Peri GmbH filed Critical Peri GmbH
Publication of EP2499310A1 publication Critical patent/EP2499310A1/fr
Application granted granted Critical
Publication of EP2499310B1 publication Critical patent/EP2499310B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/001—Corner fastening or connecting means for forming or stiffening elements
    • 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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/06—Forming boards or similar elements the form surface being of metal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49616—Structural member making
    • Y10T29/49623—Static structure, e.g., a building component
    • Y10T29/49625—Openwork, e.g., a truss, joist, frame, lattice-type or box beam
    • Y10T29/49627—Frame component

Definitions

  • the present invention relates to a method for producing a formwork element for concrete structures, having a base body in hollow profile construction, which has an outer side formed as a formwork, wherein the base body is formed from at least two intermeshing sub-segments, which at their interlocking edge regions by means of a in the region of the outside and the inside of the sub-segments trained hook connection are permanently connected to each other and form an inseparable unit.
  • Ready-to-use formwork elements have a base body, on which usually other attachments, such as sealing elements, are arranged and are used for formwork, in the fresh concrete for the production of concrete components, such as walls, ceilings and the like., Is introduced.
  • the formwork elements must be available in particular in different widths, resulting in high overall manufacturing costs.
  • CA 2 141 463 A1 discloses a formwork element for concrete structures, with a back substantially open main body, which has a formed as a formwork outer side.
  • the main body is formed from at least two sub-segments, which are connected to each other at their intermeshing edge regions.
  • the sub-segments are hooked together in the area of their formwork and screwed together in the region of their inside via screws releasably.
  • the subsegments of the formwork element are mandatory in formwork work in addition to connect via a load-absorbing rear support profile with each other, which is bolted to the sub-segments.
  • DE 85 00 388 U1 discloses a composite profile with a base in hollow profile construction.
  • the composite profile is designed for high transverse loads and has a base body which is formed from at least two intermeshing sub-segments, which are permanently connected to one another at their intermeshing edge regions.
  • the subsegments are interlocked with each other via a hook connection formed in the area of the outside and an inside of the subsegments.
  • the hook connection is produced by telescoping the two subsegments and subsequent pressing (cold forming) of the intermeshing edge regions.
  • the object of the invention is to provide a simpler, faster and thus more cost-effective method for producing a formwork element of the type mentioned.
  • the advantage associated with the invention consists essentially in the fact that the formwork element can be manufactured in an overall simpler, less technically complicated and thus more cost-effective manner.
  • a required in the prior art compression or cold forming of the sub-segments to form a permanent and stable hook connection of the sub-segments as well as the required use of special machines are completely unnecessary.
  • the formwork element can be mounted by the method according to the invention rather without the use of tools from sub-segments.
  • the subsegments can be utilized as levers for closing the hook connection, which in particular also makes it possible to close the hook connection against a biasing of the subsegments.
  • the introduced into the locking groove of a sub-segment locking element of the other locking element is used for a hinge-like guidance of the sub-segments in making the hook connection.
  • the surface quality and dimensional accuracy of the concrete element to be produced depend in a decisive manner on the smallest possible relative displacement of the sub-segments of the formwork element or on the degree of deformation of the formwork element below the fresh concrete loads.
  • the hook connection is therefore formed on the outside and on an inner side of the main body.
  • the forces exerted by the fresh concrete on the formwork element can preferably be introduced into those regions of the subsegments which, in view of the load-bearing capacity of the formwork element, must have an already sufficiently large material thickness.
  • the Haktagen can be aligned in a particularly simple manner to a transfer of force components between the interlocked sub-segments, which act parallel and perpendicular to the formwork skin of the shuttering segment.
  • a load-stable formwork element can be provided without the need for further connecting means.
  • a plurality of differently wide shuttering elements with only a few standardized subsegments can be simplified and cost-effective manner.
  • the hollow profile construction of the base body also allows, with appropriate design of the connection of the individual subsegments such a robust construction of the formwork element, that in particular also high attacking shear forces can be absorbed largely deformation-free.
  • the main body of the formwork element is preferably made of extruded light metal, whereby a production of even complicated hollow profile shapes in a single step is possible in a cost effective manner.
  • the smaller width of the subsegments in relation to the overall width of the formwork element or of the base body permits production on the large number of available extrusion presses on the market, so that the need for production on costly special extruders is eliminated without replacement. Due to the unmixed light metal structure of the body this can also be easily recycled into the recycling cycle, which is particularly environmental and economic aspects taken into account.
  • the sub-segments used may be formed as edge and / or as intermediate segments.
  • the basic body of the formwork element can have only two subsegments each formed as an edge segment or at least have an additional intermediate segment which is arranged between the edge segments.
  • the edge segments in this case have only one edge region, which coincides with another subsegment, i. another edge or an intermediate segment, to a formwork element (body) is permanently connectable or verkakbar.
  • edge segments have for releasable connection of the formwork element with another formwork segment in its outer edge region in particular struts struts and / or semicircular anchor holes.
  • formwork element edge and / or intermediate segments can be used with different widths.
  • formwork elements with finely graduated width dimensions can be made available at low cost, the formwork elements being dependent on the available Widths of the edge and intermediate segments can be constructed either from a small or from a higher number of sub-segments.
  • the sub-segment having the snap hook is preferably supported with its inner and / or outer wall section on a corresponding inner and / or outer wall section of the respective other subsegment.
  • the snap hook is easily protected against slipping out of its locked position, wherein at the same time a surface pressure between a holding surface of the snap hook and a rear grip surface of the locking element is effected at orthogonal to the formwork facing forces.
  • a sub-segment according to a development of the invention in particular a support surface, which is at least partially brought into positive contact with a support surface of the other subsegment, wherein the support surface has an undercut, which is engaged behind by the support surface.
  • the sub-segments or the main body of the formwork element are connected at least one end face with a straightening profile.
  • the outside of the formwork element or the subsegments designed as formwork skin can additionally have a coating which counteracts the adhesion of fresh concrete or hardened concrete.
  • This coating may in particular be a plastic coating or a powder coating.
  • the formwork element has a width of less than 1000 mm, a thickness of 20 to 80 mm and a length of less than 4000 mm, preferably less than 3600 mm.
  • a particularly simple and safe handling in relation to the weight and the outer dimensions of the formwork element it has proven to be particularly advantageous in practice, when the formwork element is not wider than 600 mm.
  • the ribs or side walls of the hollow profile are inclined between the inside and the outside of the shell element and this at an angle of less than 90 °.
  • the transverse force absorption can still be further improved if the angles are formed between 30 ° and 70 °.
  • an angle of the ribs or side walls of about 45 ° to the outside is particularly preferred, because this makes it possible to produce the hollow profile on the one hand very cost-effectively and on the other hand such intermediate segments or edge segments can absorb the transverse forces acting on them deformation-free.
  • the Fig. 1 shows a formwork element 10 for concrete structures, which has a base made of extruded aluminum body 12 with a molded as a formwork facing outer side 14 .
  • the main body 12 of the shuttering element 10 shown here comprises two edge segments 16 and three intermediate segments 18 arranged between the edge segments 16 .
  • each shuttering element 10 ends at both ends with an edge segment 16, wherein adjoining shuttering elements 10 can be detachably connected to one another via shuttering locks not shown in detail in the drawing.
  • the edge segments 16 also have on their longitudinal sides 20 in each case two semicircular anchor holes 22 for on the market known formwork anchors.
  • the formwork element 10 has a width of preferably up to 1000 mm and a thickness of preferably 20 to 80 mm.
  • the formwork element 10 may have a construction standard length of up to 4000 mm.
  • the edge and the intermediate segments 16, 18 of the body 12 are each formed as a hollow profile.
  • the shell element 10 has to stiffen the base body 12 formed from the permanently connected to each other, that is again separated only by a force applied force mechanically, edge or intermediate segments 16, 18 and for the frontal attachment of carrier rails 24 profile blocks 26 which are introduced into frontal openings 28 of the edge and intermediate segments 16, 18.
  • the support rails 24 are each riveted in a manner not shown with the tread blocks 26 and the edge or intermediate segments 16, 18 and make their strictly aligned alignment to each other additionally secure.
  • an elastic sealing element 30 is further arranged by the stripping of the formwork element 10 is facilitated.
  • an edge segment 16 shown on the left in the figure and an intermediate segment 18 of a basic body 12 are shown, which intermesh and which are hooked to one another at their intermeshing edge regions 32 .
  • an edge segment 16, not further illustrated in the figure, or another intermediate segment 18 may join the intermediate segment 18.
  • an outer wall section 34 of the intermediate segment 18 is integrally formed with a snap hook 36 designed as a profile extension, which is latched with a latching element 38 integrally formed on an opposite outer wall section 34 'of the edge segment 16.
  • the snap hook 36 behind and / or engages over the locking element 38, wherein a retaining surface 40 of the snap hook 36 rests against a locking surface 42 of the locking element 38 in a form-fitting manner.
  • the locking element 38 has frontally a ramp-shaped bearing surface 44 on which a designated 46 and arranged parallel to the bearing surface 44 supporting surface of the outer wall portion 34 of the intermediate segment 18 is brought into positive contact with the plant.
  • the support surface 46 engages behind the support surface 44 of the outer wall portion 34 '.
  • the edge segment 16 has in the region of an inner side 48 of the main body 12 in addition to a locking groove 50 in which a profiled inner wall portion 52 of the intermediate segment 18 is arranged.
  • the locking groove 50 is partially covered by a parallel to the inside 48 of the body 12 projecting inner wall leg 54 of the edge segment 16 and has a one end on a side wall 56 of the edge segment 16 arranged groove bottom 58 and an angled toward the inside 48 of the base 12 groove flank 60 ,
  • the profiled inner wall section 52 of the intermediate segment 18 has a cranked edge region 62 which engages under the inner wall limb 54 of the edge segment 16.
  • the profiled inner wall portion 52 further has a this formed and laterally into the locking groove 50 in the direction of the groove bottom 58 projecting profile strip 64 which is brought in the blocking position of the inner wall portion 52 shown here to the groove edge 60 over the entire surface to the plant.
  • the groove flank 60 may also be formed as an undercut and be engaged behind the profile strip 64 accordingly.
  • the hooked connection 66 constructed in the above manner extends along the outside and inside 14, 48 of the body 12 and is directed to a transmission of force components between the interlocked edge or intermediate segments 16, 18 of the formwork element 10 which are parallel and perpendicular to the outside 14 (formwork skin) of the body 12 act and burden the shell element 10. Even with the high pressure or tensile forces exerted in practice by the (fresh) concrete, the hook connection 66 can not be released and holds the edge or intermediate segments 16, 18 together in a dimensionally stable manner.
  • a relative displacement of the edge or intermediate segments 16, 18 relative to one another is possible only mechanically by virtue of a frictional engagement between the edge or intermediate segments 16, 18 caused by the hook connection 66.
  • the side wall 56 includes with the outer side 14 of the base body 12 in the figure an angle designated ⁇ , which is approximately 50 °.
  • the angle .alpha. Can also have other values, in particular between 30.degree. And 70.degree., According to exemplary embodiments not shown here.
  • FIGS. 4a and 4b are that in the Fig. 3 already connected edge and intermediate segment 16, 18 shown during their Caribbeanzusammens or composing.
  • the intermediate segment 18 is subsequently pivoted under hinge-like positive guidance of the cranked edge region 62 of the inner wall section 52 in the locking groove 50 relative to the edge segment 16 in the direction of the arrow designated 68 until the snap hook 36 locks with the latching element 38.
  • the cranked edge portion 62 of the inner wall portion 52 of the intermediate member 18 is transferred in the locking groove 50 in its by the abutment of the profiled strip 64 to the groove flank 60 of the locking groove 50 marked blocking position.
  • the Haktagen 66 is formed and the edge and the intermediate segment 16, 18 are as in the in the Fig. 2 permanently connected with each other.
  • FIGS. 5a to 5e Shuttering elements 10 of different widths are shown, which result from the many possible combinations of the edge or intermediate segments 16, 18.
  • Fig. 5a shows a simplest possible construction of the formwork element 10 and a base body 12 with only two interconnected edge segments 16.
  • illustrated formwork element 10 additionally has an intermediate segment 18 arranged between the edge segments 16, which, as shown in FIG Fig. 5c can also be designed in a larger width.
  • Exemplary reproduced formwork elements 10 already result in the present case only four differently configured edge or intermediate segments 16, 18 already various combination options and thus different widths formwork elements.
  • the hook connection 66 is basically formed between all edge or intermediate segments of the respective formwork elements 10 in mutually corresponding manner. The free ends of the edge segments 16 are thus formed either with hooking elements, which engage in a form-fitting manner in formations adapted to the intermediate segments 18 or they are designed such that two edge segments 16 can be permanently connected to each other according to the invention.
  • the invention relates to a method for producing a formwork element 10 for concrete structures, with a base body 12 in a hollow profile construction, which has an outer side 14 formed as a formwork skin.
  • the base body 12 is formed according to the invention from at least two intermeshing sub-segments, which are permanently connected to each other at their intermeshing edge regions.
  • the sub-segments preferably made by extrusion, such as an edge segment and an intermediate segment 16, 18, are hooked together according to the invention and form an inseparable unit in the connected state.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Claims (4)

  1. Procédé de fabrication d'un élément de coffrage (10) pour ouvrages de construction en béton, muni d'un corps de base (12) à structure profilée creuse présentant une face extérieure (14) réalisée en tant qu'enveloppe de coffrage, ledit corps de base (12) étant au moins constitué de deux segments partiels qui s'interpénètrent, sont reliés durablement l'un à l'autre, dans leurs zones marginales (32) s'interpénétrant, au moyen d'une solidarisation par accrochage (66) ménagée dans la région des faces extérieure et intérieure (14, 48) desdits segments partiels, et forment un ensemble unitaire indissociable,
    la solidarisation par accrochage (66) s'étendant sur une grande partie de la longueur totale, voire sur la longueur totale des faces extérieure et intérieure (14 ; 48) du corps de base (12),
    sachant que ladite solidarisation par accrochage (66) comporte, dans la région de ladite face intérieure (48) dudit corps de base, une rainure de blocage (50) qui est pratiquée dans l'un des segments partiels, et dans laquelle un tronçon (52) de paroi intérieure de l'autre segment partiel est consigné à demeure,
    sachant que ladite rainure de blocage (50) est recouverte, en partie, par une branche (54) de paroi intérieure du segment partiel muni de ladite rainure de blocage (50), laquelle branche fait saillie parallèlement à la face intérieure (48) dudit corps de base (12),
    ladite rainure de blocage (50) comprenant un fond (58) situé, par une extrémité, au niveau d'une paroi latérale (56) dudit segment partiel, et un flanc (60) coudé en direction de ladite face intérieure (48) dudit corps de base,
    le tronçon profilé (52) de la paroi intérieure de l'autre segment partiel étant doté d'une zone marginale (62) en décrochement, emprisonnant par-dessous la branche (54) de paroi intérieure,
    sachant qu'une barrette profilée (64), faisant corps avec ledit tronçon profilé (52) de la paroi intérieure, dépasse latéralement dans ladite rainure de blocage (50), en direction du fond (58) de cette dernière, et est mise en applique par toute sa surface contre le flanc (60) de ladite rainure, dans la position de blocage dudit tronçon (52) de paroi intérieure,
    la solidarisation par accrochage (66) étant pourvue, dans la région de la face extérieure (14) du corps de base (12), d'un crochet (36) à déclic qui est situé sur l'un des segments partiels et est cranté dans un élément d'encliquetage (38) placé sur l'autre segment partiel, incluant les étapes suivantes :
    - insertion de l'un des segments intermédiaires dans la rainure de blocage (50) de l'autre segment partiel, par sa zone marginale (62) en décrochement, jusqu'à ce que ladite zone marginale (62) en décrochement soit engagée au-dessous de la branche (54) de paroi intérieure de l'autre segment partiel ; et, au stade successif,
    - instauration de la solidarisation par accrochage (66) en faisant pivoter l'un des segments partiels par rapport à l'autre segment partiel sous l'effet d'un guidage forcé du type charnière, dans ladite rainure de blocage (50), de la zone marginale (62) en décrochement sur le tronçon (52) de paroi intérieure, jusqu'à ce que le crochet (36) à déclic soit cranté dans l'élément d'encliquetage (38) et que ladite zone marginale (62), en décrochement sur ledit tronçon (52) de paroi intérieure dudit segment partiel, soit transférée à sa position de blocage dans laquelle la barrette profilée (64) de l'un des segments partiels est mise en applique contre le flanc (60) de la rainure de blocage (50) de l'autre segment partiel.
  2. Procédé selon la revendication 1, caractérisé par l'utilisation de segments partiels réalisés sous la forme de segments marginaux et/ou intermédiaires (16 ; 18).
  3. Procédé selon la revendication 2, caractérisé par l'utilisation de segments marginaux et/ou intermédiaires (16 ; 18) présentant une largeur différente.
  4. Procédé selon l'une des revendications précédentes, caractérisé par le fait que les segments partiels sont pourvus d'au moins une paroi latérale (56) décrivant, avec la face extérieure (14) du corps de base (12), un angle inférieur à 90°, de préférence compris entre 30° et 70°, et mesurant 45° de préférence.
EP10768381.5A 2009-11-13 2010-08-30 Procédé de fabrication d'un élément de coffrage Not-in-force EP2499310B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009046689A DE102009046689A1 (de) 2009-11-13 2009-11-13 Schalungselement
PCT/DE2010/050064 WO2011057624A1 (fr) 2009-11-13 2010-08-30 Élément de coffrage

Publications (2)

Publication Number Publication Date
EP2499310A1 EP2499310A1 (fr) 2012-09-19
EP2499310B1 true EP2499310B1 (fr) 2016-03-30

Family

ID=43334369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10768381.5A Not-in-force EP2499310B1 (fr) 2009-11-13 2010-08-30 Procédé de fabrication d'un élément de coffrage

Country Status (13)

Country Link
US (2) US20120223212A1 (fr)
EP (1) EP2499310B1 (fr)
CN (2) CN104295085B (fr)
BR (1) BR112012011428B1 (fr)
CL (1) CL2012001228A1 (fr)
CO (1) CO6541571A2 (fr)
DE (1) DE102009046689A1 (fr)
ES (1) ES2568432T3 (fr)
HK (1) HK1203584A1 (fr)
MX (1) MX341586B (fr)
PE (1) PE20130021A1 (fr)
WO (1) WO2011057624A1 (fr)
ZA (1) ZA201202871B (fr)

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DE102009046689A1 (de) * 2009-11-13 2011-05-19 Peri Gmbh Schalungselement
DE102012005040B4 (de) * 2012-03-15 2020-02-27 MJ-Gerüst GmbH Gerüstboden
SG11201705400XA (en) * 2013-11-07 2017-08-30 Csr Building Products Ltd Building component
US10907348B2 (en) 2013-11-07 2021-02-02 Csr Building Products Limited Building component
CN103603488A (zh) * 2013-12-12 2014-02-26 昆山加迪豪铝业有限公司 一种新型方管
MX2016013715A (es) * 2015-10-23 2017-12-20 Wabash National Lp Moldes extruidos y metodos para fabricar paneles de camion compuestos.
CA3058515A1 (fr) * 2017-05-25 2018-11-29 Bruce Johnston Coffrages pour batiment et leur procede d'assemblage
CN109332997B (zh) * 2018-12-12 2023-08-01 北京千引力科技发展有限公司 一种方便开槽的铝模板及其对拉施工方法
CN109537873B (zh) * 2018-12-20 2021-03-26 广东博智林机器人有限公司 一种半固态成形的模板机构
DE102019002566A1 (de) * 2019-04-08 2020-10-08 Peri Gmbh Schalungspaneel aus Metall für Betonschalungen
US11773607B2 (en) * 2019-12-07 2023-10-03 Peri Se Filler beam assembly
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BR112012011428A2 (pt) 2016-05-03
US20120223212A1 (en) 2012-09-06
US9279261B2 (en) 2016-03-08
WO2011057624A1 (fr) 2011-05-19
MX341586B (es) 2016-08-26
CO6541571A2 (es) 2012-10-16
EP2499310A1 (fr) 2012-09-19
ES2568432T3 (es) 2016-04-29
PE20130021A1 (es) 2013-01-28
CN104295085A (zh) 2015-01-21
DE102009046689A1 (de) 2011-05-19
ZA201202871B (en) 2012-12-27
MX2012005310A (es) 2012-06-19
CN102597388A (zh) 2012-07-18
HK1203584A1 (en) 2015-10-30
US20140331499A1 (en) 2014-11-13
CL2012001228A1 (es) 2012-07-13
BR112012011428B1 (pt) 2019-08-20
CN104295085B (zh) 2017-05-03

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