EP1537281B1 - Coffrage circulaire - Google Patents

Coffrage circulaire Download PDF

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Publication number
EP1537281B1
EP1537281B1 EP03794971A EP03794971A EP1537281B1 EP 1537281 B1 EP1537281 B1 EP 1537281B1 EP 03794971 A EP03794971 A EP 03794971A EP 03794971 A EP03794971 A EP 03794971A EP 1537281 B1 EP1537281 B1 EP 1537281B1
Authority
EP
European Patent Office
Prior art keywords
formwork
facing
flange
carrier
flanges
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
Application number
EP03794971A
Other languages
German (de)
English (en)
Other versions
EP1537281A1 (fr
Inventor
Kurt Jaruzel
Josef Griessbaum
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.)
PASCHAL-WERK G MAIER GmbH
Original Assignee
PASCHAL-WERK G MAIER 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 PASCHAL-WERK G MAIER GmbH filed Critical PASCHAL-WERK G MAIER GmbH
Priority to SI200331337T priority Critical patent/SI1537281T1/sl
Publication of EP1537281A1 publication Critical patent/EP1537281A1/fr
Application granted granted Critical
Publication of EP1537281B1 publication Critical patent/EP1537281B1/fr
Priority to CY20081100988T priority patent/CY1108783T1/el
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/062—Forms for curved walls
    • E04G11/065—Forms for curved walls with mechanical means to modify the curvature

Definitions

  • the invention relates to a circular formwork with at least one formwork element which is adjustable with respect to its curvature and which has stiffeners and / or at least one support supporting the formwork, which has a U, V or trapezoidal cross-section which is open towards the supported formwork skin and at its facing edges of the formwork mounting flanges for connection to the back of the formwork skin has, and with a on the stiffeners and the or the straps with distance from the formwork panel attacking, the effective length of the harness is adjustable to change the curvature of the formwork.
  • Such a formwork with several serving as a stiffening straps and also serving as stiffeners edge webs is off DE 24 26 708 C3 or off EP 0 514 712 B1 ( US-A-5,492,303 ) and has proven itself.
  • the belt engages in each case on the carriers, but not on the edge webs, while in the formwork according to EP 0 514 712 B1 the girth is also provided between a support close to the edge and a further reinforcement in the form of an edge web and is adjustable in its effective length.
  • intermediate pieces are arranged between the flanges of the carrier and the formwork skin and the flanges of the carriers are fastened to these intermediate pieces so as to be pivotable or tiltable about their longitudinal extension direction.
  • the design according to the invention thus avoids kinking or undesired deviations from the desired curvature occurring during the curving of the formwork skin during its course, in particular in the region of flanges of the carrier.
  • the intermediate piece which is attached to the outside of the formwork, also allows for a relatively thin formwork skin a large penetration depth for a fastener so that it can be attached from the concreting side facing away from the concrete and the facing surface of the formwork in the area
  • the attachment can remain uninterrupted, so that resulting from fasteners imprints are avoided in the concrete.
  • the spacers may have threaded holes into which the flanges of the carrier passing through fastening screws or mounting bolts are screwed and / or on the spacers fastening bolts may be arranged or secured, enforce the mounting holes in the flanges of the carrier.
  • the carrier can be connected by means of screw on the turn on the formwork panel arranged spacers.
  • the spacers each have a plurality of threaded holes arranged in series and / or fastening bolts for a plurality of provided on a common flange Befest Trentslochept for a flange of a carrier.
  • the spacers may be strip-shaped and extend over at least part of the longitudinal extension of a respective flange of a carrier. Correspondingly long is the connection between the carrier and the formwork, and the stiffening effect is correspondingly well transmitted.
  • a best possible stiffening of the formwork skin by the respective carrier can be achieved if the intermediate pieces are each substantially as long as the carrier and / or its flange.
  • the respective intermediate piece can therefore support, in such a preferred embodiment, practically the entire flange profile in a tiltable manner.
  • the formwork can be made of wood, plastic, metal, iron and / or steel.
  • the arrangement of spacers, especially in a formwork made of metal, especially steel proves to be particularly advantageous because not only the total thickness of formwork and intermediate piece results in a correspondingly large engagement length for a fastener, but in a formwork made of steel in conjunction with the flanges of a V-, U- or trapezoidal carrier in direct mutual attachment, for example by welding a hollow profile would form, in which the formwork belonging to the formwork Share in an adjustment of the Gurtungsine not or hardly could be changed in its curvature.
  • the adjustability of the curvature even in the region between the flanges of the supports is advantageously retained even in such a formwork skin.
  • the spacers are conveniently connected to the back of the formwork or - in a formwork skin of metal, iron or steel also made of metal, iron or steel - welded. This leads to the best possible connection of the intermediate pieces with the formwork, so that the forces to be conducted into the carrier can be introduced well everywhere.
  • the pivoting or tilting according to the invention can be realized in that the flange facing side of the intermediate piece has a convexly curved cross-section or sloping beveled on both sides of the attachment points and / or that the underside of the flange of the support convexly curved or with respect to the intermediate piece of the Center receding bevels provided to the outside.
  • a low-cost production thereby provides a flat surface of the intermediate piece and a correspondingly curved or two sides bevelled underside of the associated flange, so that the intermediate piece is a very simple in its cross-section bar, while the carrier in its manufacture equal to the corresponding cross-sectional shape the flanges can be provided.
  • At the point of contact between the intermediate piece and the flange in each case, there is an interspace which increases in each case from the contact or attachment point to the outside, that is, a mutual tilting about the Longitudinal direction allowed.
  • the flange on the side facing away from the formwork facing projection, screw head, a nut and / or located between the screw head or nut and flange intermediate part may have on the flange side facing away from the central region outwardly cross-section, for example, rounded or bevelled be.
  • the formed in particular as strips intermediate pieces may be formed symmetrically to its longitudinal center.
  • they can be mounted in virtually any orientation on the formwork, that is, when they make their contact with the formwork, a preferred position and direction must not be taken into account, so that the assembly is facilitated.
  • the strip-shaped intermediate pieces may have an approximately rectangular cross-section, wherein the flange of the carrier facing side of the rectangle convexly curved and / or be bevelled starting from the central region on both sides or part-circular or semicircular and a flattened or flat portion of the cross section on the outside of the Formwork can rest.
  • the intermediate piece itself can be shaped so that the possibility of tilting or tilting results for an optionally flat flange.
  • the formwork as metal, plastic or wood has a long service life and resilience and still the advantageous carrier with U, V- or preferably trapezoidal cross section may be used, which are closed on its side facing the formwork facing from this to a kind of box section.
  • the formwork can also be adapted between the flanges of a carrier to the respective curvature, because by the intermediate piece located between it and the flanges and the provided there pivoting or tilting of the flanges, the formwork also between these flanges bent or curved or can be changed in their curvature.
  • it can be avoided that parts of the fastening elements are visible on the side of the formwork facing the concrete and cause imprints in the concrete.
  • Fig. 1 to 4 shows a generally designated 1 formwork element of a formwork for curved surfaces, that is, such a formwork may be composed of several such formwork elements 1, being provided on the vertical edges 2 as stiffeners for the formwork facing connecting webs 3 for interconnecting such formwork elements 1 are.
  • the formwork 4 is according to Fig. 3 curved and can be adjusted or adjusted in terms of their curvature.
  • the formwork element 1 also according to Fig. 4 at least one, according to Fig. 3 two - possibly even more - the formwork 4 in addition to the connecting webs 3 supporting carrier 5, in the embodiment according to 3 and 4 have an approximately trapezoidal cross-section, which is open to the supported formwork facing 4 and is complemented by the formwork 5 virtually to a hollow cross-section.
  • the one or more carriers 5 have at their edges facing the formwork facing 4 mounting flanges 6, wherein such a mounting flange 6 in Fig. 5 is shown particularly clearly. It can be seen that the free edge of this flange 6 is bent away from the formwork 4. These mounting flanges 6 are used in a manner to be described for connecting the carrier 5 to the formwork skin. 4
  • the formwork 4 is made of metal, especially steel, plastic or wood and allows due to their strength or optionally their thickness, a high load.
  • curvature can nevertheless be provided between the attachment flanges 6 and can be changed approximately in the same way as outside a carrier cross-section, between the attachment flanges 6 and the skin 4 according to FIG 3 and 4 and especially according to Fig. 5
  • Arranged intermediate pieces 9 and the mounting flanges 6 of the carrier 5 are pivotally or tiltably attached to these relative to them about their longitudinal extension direction, so that the formwork skin 4 with the respective intermediate piece 9 together relative to the respective mounting flange 6 a corresponding relative movement in the Change their curvature can perform.
  • Fig. 4 have the spacers 9 threaded holes 10, in which the flanges 6 of the carrier 5 passing through fastening screws 11 or mounting bolts are screwed, as can be clearly seen in Fig. 4 recognizes.
  • a corresponding fastening element acts directly on the formwork skin 4, that is, the intermediate piece 9 receives an additional function.
  • the intermediate pieces 9 are substantially as long as the associated carrier 5 and / or its flange 6, so that over the entire length of the carrier 5 of the in Fig. 5 shown cross-section results.
  • the spacers 9 have according to Fig. 1 each for a flange 6 of a carrier 5 a plurality of serially arranged threaded holes 10 corresponding to the number of fastening screws 11. It would also be conceivable that the spacers 9 of a mounting flange 6 are interrupted and are arranged only in the area of the fastening screws 11.
  • the spacers 9 are according to Fig. 5 connected to the back of the formwork 4 and, if both made of metal, preferably made of iron or steel, welded to it.
  • the relative pivoting or tilting about an axis extending in the longitudinal direction of the respective flanges 6 axis is possible, the underside of the flange 6 according to Fig. 4 curved approximately convex or provided with respect to the intermediate piece 9 from the center to the outside receding bevels 61.
  • the flange 6 due to these bevels 61 on the intermediate piece 9 can rock, that is, conversely, the intermediate piece 9 with the formwork facing 4 perform corresponding movements when the curvature of the formwork 4 is changed without the flange 6 and the carrier 5 this or even prevent.
  • the intermediate pieces 9 are formed in the embodiment as strips and symmetrical about their longitudinal center, so that they can be mounted in any orientation.
  • the cross section is rectangular, but could also be curved convexly on the side facing the flange 6 and thereby bevelled and be part-circular or even semi-circular shaped, thereby enabling the already described relative pivotal movement between the intermediate piece 9 and the flange 6.
  • the formlining 4 can therefore be changed with respect to its curvature with the aid of the belt 7 and the tightening screw 8, without such a change in the curvature especially between the flanges 6 of a respective carrier 5 due to the attachment thereto prevented and thereby over the cross section of the formwork 4 irregular becomes.
  • the formwork 4 can be adjusted or adjusted in its curvature, and this continues between the flanges 6 of a carrier 5, because the formwork despite their indirect connection with the flanges 6 relative to tilting or pivoting movements can perform according to their respective curvature. It is useful that the centers of curvature lie on an axis which is parallel to the longitudinal direction of the carrier.
  • the formwork element 1 can be constructed with other such formwork elements 1 to a formwork.
  • an adjustable in terms of their curvature formwork 4 is provided, which is supported by the rear supports 5 to provide a rigid, the concreting pressure-resistant formwork element 1.
  • the preferably trapezoidal in cross-section carrier 5 have at their edges mounting flanges 6 and are provided at a distance from the formwork skin 4 with at least one belt 7 whose length is adjustable to adjust or change the curvature of the formwork 4.
  • the formwork 4 is preferably made of steel or plastic or wood and between the mounting flanges 6 of the carrier 5 and the formwork 4 are intermediate pieces 9, wherein the mounting flanges 6 are attached to these relative to their pivoting or tilting about their longitudinal extension direction, in which the cross-section of the flanges 6 and / or the intermediate pieces 9 and / or 12 is provided convexly or bevels 61.

Landscapes

  • 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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Magnetic Heads (AREA)
  • Chairs Characterized By Structure (AREA)
  • Pens And Brushes (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (11)

  1. Coffrage circulaire, avec au moins un élément de coffrage (1) présentant une enveloppe de coffrage (4) de courbure réglable, élément qui présente des renforcements et/ou au moins un support (5) soutenant l'enveloppe de coffrage (4), support qui possède une section en forme de U, de V ou de trapèze ouverte vers l'enveloppe de coffrage soutenue (4) et, sur ses bords tournés vers l'enveloppe de coffrage (4), des brides de fixation (6) pour l'assemblage au côté arrière de l'enveloppe de coffrage (4), et avec une membrure (7) agissant à distance de l'enveloppe de coffrage (4) sur les renforcements et sur le ou les supports (5), sachant que la longueur active de la membrure (7) est réglable afin de modifier la courbure de l'enveloppe de coffrage (4), caractérisé en ce que des pièces intermédiaires (9) sont disposées entre les brides de fixation (6) des supports (5) et l'enveloppe de coffrage (4), et les brides de fixation (6) des supports (5) sont fixées sur ces pièces intermédiaires à pivotement ou basculement autour de leur direction d'étendue longitudinale.
  2. Coffrage circulaire selon la revendication 1, caractérisé en ce que les pièces intermédiaires (9) présentent des trous filetés (10) dans lesquels des vis de fixation (11) ou des boulons de fixation traversant les brides (6) des supports (5) peuvent être vissés, et/ou en ce que des boulons de fixation sont disposés ou fixés sur les pièces intermédiaires, boulons qui traversent des trous de fixation dans les brides des supports.
  3. Coffrage circulaire selon la revendication 1 ou 2, caractérisé en ce que les pièces intermédiaires (9) possèdent respectivement pour une bride (6) d'un support (5) plusieurs trous filetés (10) disposés en une rangée, et/ou des boulons de fixation pour plusieurs trous de fixation prévus sur une bride commune.
  4. Coffrage circulaire selon l'une des revendications 1 à 3, caractérisé en ce que les pièces intermédiaires (9) sont réalisées sous forme de barrettes et s'étendent sur au moins une partie de l'étendue longitudinale d'une bride respective d'un support.
  5. Coffrage circulaire selon l'une des revendications 1 à 4, caractérisé en ce que les pièces intermédiaires (9) sont respectivement sensiblement de la même longueur que le support (5) et/ou que sa bride (6).
  6. Coffrage circulaire selon l'une des revendications 1 à 5, caractérisé en ce que l'enveloppe de coffrage (4) est constituée de métal, fer et/ou acier, ou de bois ou de matière plastique.
  7. Coffrage circulaire selon l'une des revendications 1 à 6, caractérisé en ce que les pièces intermédiaires (9) sont assemblées ou - également dans le cas d'un coffrage réalisé en métal, fer ou acier, en étant alors elles aussi réalisées en métal, fer ou acier - sont soudées au côté arrière de l'enveloppe de coffrage (4).
  8. Coffrage circulaire selon l'une des revendications 1 à 7, caractérisé en ce que le côté de la pièce intermédiaire (9) qui est tourné vers la bride (6) possède une section à courbure convexe ou est chanfreiné à pente descendante de part et d'autre des points de fixation, et/ou en ce que le dessous de la bride (6) du support (5) est à courbure convexe ou est pourvu de chanfreinages (61) en recul depuis le milieu vers l'extérieur par rapport à la pièce intermédiaire (9).
  9. Coffrage circulaire selon l'une des revendications 1 à 8, caractérisé en ce que la saillie engageant la bride (6) sur le côté opposé à l'enveloppe de coffrage (4), la tête de vis, un écrou et/ou un élément intermédiaire (12) se trouvant entre la tête de vis (11a) ou l'écrou et la bride (6) possède, sur le côté tourné vers la bride (6), une section en recul vers l'extérieur depuis la région médiane, par exemple est arrondi ou chanfreiné.
  10. Coffrage circulaire selon l'une des revendications 1 à 9, caractérisé en ce que les pièces intermédiaires (9) notamment réalisées sous forme de barrettes sont réalisées symétriques par rapport à leur milieu longitudinal.
  11. Coffrage circulaire selon l'une des revendications 1 à 10, caractérisé en ce que les pièces intermédiaires (9) en forme de barrettes possèdent une section approximativement rectangulaire, sachant que le côté du rectangle qui est tourné vers la bride du support (5) est à courbure convexe et/ou est chanfreiné de part et d'autre en partant de la région médiane ou est en forme de cercle partiel ou de demi-cercle, et une région plate ou aplatie de la section s'applique contre le côté extérieur de l'enveloppe de coffrage (4).
EP03794971A 2002-09-02 2003-08-29 Coffrage circulaire Expired - Lifetime EP1537281B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200331337T SI1537281T1 (sl) 2002-09-02 2003-08-29 Okrogel opaĺ˝
CY20081100988T CY1108783T1 (el) 2002-09-02 2008-09-15 Στρογγυλος ξυλοτυπος

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10240372A DE10240372B4 (de) 2002-09-02 2002-09-02 Rundschalung
DE10240372 2002-09-02
PCT/EP2003/009586 WO2004025050A1 (fr) 2002-09-02 2003-08-29 Coffrage circulaire

Publications (2)

Publication Number Publication Date
EP1537281A1 EP1537281A1 (fr) 2005-06-08
EP1537281B1 true EP1537281B1 (fr) 2008-06-18

Family

ID=31502249

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03794971A Expired - Lifetime EP1537281B1 (fr) 2002-09-02 2003-08-29 Coffrage circulaire

Country Status (15)

Country Link
US (1) US7048249B2 (fr)
EP (1) EP1537281B1 (fr)
AT (1) ATE398714T1 (fr)
AU (1) AU2003266324A1 (fr)
BR (1) BR0313907A (fr)
CA (1) CA2497358C (fr)
CY (1) CY1108783T1 (fr)
DE (2) DE10240372B4 (fr)
DK (1) DK1537281T3 (fr)
EA (1) EA006665B1 (fr)
ES (1) ES2308023T3 (fr)
PL (1) PL208756B1 (fr)
PT (1) PT1537281E (fr)
SI (1) SI1537281T1 (fr)
WO (1) WO2004025050A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008021202A1 (de) 2008-04-28 2009-10-29 Marcus Sundermann Schalung und Schalungsverfahren des Betonbaus
ES2335732B8 (es) * 2009-07-15 2012-08-01 Sistemas Tecnicos De Encofrados S.A. Panel ajustable para el encofrado de muros curvos
FR2992010B1 (fr) * 2012-06-14 2016-03-04 Hussor Raidisseur pour paroi deformable d'une banche
IT201700017631A1 (it) * 2017-02-16 2018-08-16 Emmerre S R L Cassaforma per la realizzazione di manufatti in calcestruzzo
BE1028871B1 (nl) 2020-12-09 2022-07-11 Bio Dynamics Nv Bekisting voor betonnen ringvormige tankwand en werkwijze voor bekisten van een betonnen ringvormige tankwand

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2426708C3 (de) * 1974-06-01 1978-06-08 Josef 7611 Steinach Maier Großflächenschalung
DE3333619C2 (de) * 1983-09-17 1986-05-15 Josef 7611 Steinach Maier Schalung für Rundbauten
DE3536816A1 (de) * 1985-10-16 1987-04-16 Josef Maier Schalung fuer rund- oder vieleckbauten
DE8815339U1 (fr) * 1988-12-09 1989-03-23 Werner Zapf Kg, 8580 Bayreuth, De
FR2650669B1 (fr) * 1989-08-04 1993-10-29 Equipement Menager Cie Europ Dispositif de mesure de temperature pour appareil de cuisson a induction et appareil comportant un tel dispositif
US5125617A (en) * 1990-03-29 1992-06-30 Miller Alan P Adjustable radius walers for forming
DE4116439C1 (fr) * 1991-05-18 1992-08-27 Maier G Paschal Werk
DE4322271C2 (de) * 1993-07-05 1997-08-07 Maier G Paschal Werk Schaltafel mit Träger mit etwa U-förmigem Querschnitt
DE60038254T2 (de) * 2000-09-18 2009-03-26 Ulma C Y E, S. Coop. Modulare gekrümmte schalung mit variablem radius

Also Published As

Publication number Publication date
DE50310008D1 (de) 2008-07-31
PL373919A1 (en) 2005-09-19
US20050263672A1 (en) 2005-12-01
SI1537281T1 (sl) 2008-12-31
BR0313907A (pt) 2005-07-12
AU2003266324A1 (en) 2004-04-30
WO2004025050A1 (fr) 2004-03-25
PL208756B1 (pl) 2011-06-30
ES2308023T3 (es) 2008-12-01
ATE398714T1 (de) 2008-07-15
US7048249B2 (en) 2006-05-23
PT1537281E (pt) 2008-09-30
EA200500436A1 (ru) 2005-08-25
DE10240372A1 (de) 2004-03-11
DK1537281T3 (da) 2008-10-20
CA2497358A1 (fr) 2004-03-25
EA006665B1 (ru) 2006-02-24
EP1537281A1 (fr) 2005-06-08
CA2497358C (fr) 2011-06-07
CY1108783T1 (el) 2014-04-09
DE10240372B4 (de) 2004-09-02

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