WO2004025050A1 - Rundschalung - Google Patents
Rundschalung Download PDFInfo
- Publication number
- WO2004025050A1 WO2004025050A1 PCT/EP2003/009586 EP0309586W WO2004025050A1 WO 2004025050 A1 WO2004025050 A1 WO 2004025050A1 EP 0309586 W EP0309586 W EP 0309586W WO 2004025050 A1 WO2004025050 A1 WO 2004025050A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- formwork
- flange
- intermediate pieces
- fastening
- flanges
- Prior art date
Links
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 regard to its curvature and which has stiffeners and / or at least one support which supports the formlining and which has a U-shaped, V-shaped or trapezoidal cross-section open to the supported formlining and on its edges facing the formlining have fastening flanges for connection to the back of the formwork, and with a strap that acts on the stiffeners and the carrier (s) at a distance from the formwork, the effective length of the strap being adjustable to change the curvature of the formlining.
- Such formwork with a plurality of girders serving as stiffening and edge webs also serving as stiffening is known from DE 24 26 708 C3 or from EP 0 514 712 B1 and has proven itself.
- the strapping acts on the girders, but not on the edge webs, while in the formwork according to EP 0 514 712 B1 the strapping also between a girder close to the edge and a further bracing Form of an edge web is provided and its effective length is adjustable.
- the beams are fastened with screws that directly engage the formlining, which means that such a fastening is only possible if the formlining has a sufficient thickness.
- the screw head is countersunk in the surface of the formwork facing the concrete, it later appears on the concrete surface corresponding imprint.
- intermediate pieces are arranged between the flanges of the beams and the formlining, and the flanges of the beams are fastened to these intermediate pieces so that they can be pivoted or tilted about their longitudinal direction.
- the design according to the invention thus prevents kinks or undesired deviations from the desired curvature occurring in the course of the formwork skin, particularly in the area of the flanges of the carrier.
- the intermediate piece which is attached to the outside of the formlining, also allows a large penetration depth for a fastening element, even with a relatively thin formwork skin, so that it can be attached from the side facing away from the concrete side and the surface of the formwork facing the concrete also in the area the fastening can remain uninterrupted, so that impressions in the concrete resulting from fastening elements are avoided.
- the intermediate pieces can have threaded holes into which fastening screws or fastening bolts penetrating the flanges of the supports can be screwed, and / or fastening bolts can be arranged or fastened to the intermediate pieces which penetrate fastening holes in the flanges of the supports.
- the beams can be connected by means of screw connections to the intermediate pieces arranged on the formlining. In order to be able to transfer the stiffening effect of the beams well to the formlining, it is expedient if the intermediate pieces are connected.
- the intermediate pieces each have a plurality of threaded holes and / or fastening bolts for a plurality of fastening holes provided on a common flange for a flange of a beam.
- the intermediate pieces can be designed in the form of strips and extend over at least part of the longitudinal extent of a respective flange of a carrier. The connection between the beam and the formlining is correspondingly long and the stiffening effect is transmitted accordingly.
- the intermediate pieces are each essentially as long as the carrier and / or its flange.
- the respective intermediate piece can support the entire flange course in a tiltable manner.
- the formlining can be made of wood, plastic, metal, iron and / or steel.
- the arrangement of intermediate pieces, particularly in the case of a formwork skin made of metal, in particular steel, proves to be particularly advantageous because not only the total thickness of the formwork skin and intermediate piece results in a correspondingly large engagement length for a fastening element, but also in the case of a steel formwork skin Connection with the flanges of a V, U or trapezoidal beam with immediate mutual attachment, for example by welding, would form a hollow profile in which the formwork facing belonging portion could not or hardly be changed in its curvature when adjusting the strap length.
- the adjustability of the curvature is advantageously retained even in the area between the flanges of the beams, even with such a formlining.
- the intermediate pieces are expediently connected to the back of the formwork skin or - in the case of a formwork skin made of metal, iron or steel, also made of metal, iron or steel - welded. This leads to the best possible connection of the intermediate pieces to the formwork skin, so that the forces to be conducted into the beams can be easily introduced anywhere.
- the pivotability or tiltability according to the invention can be achieved in that the side of the intermediate piece facing the flange has a convexly curved cross section or is sloping down on both sides of the fastening points and / or in that the underside of the flange of the carrier is convexly curved or with the opposite piece bevels receding from the center to the outside.
- Inexpensive manufacture provides a flat surface of the intermediate piece and a correspondingly curved or bevelled underside of the associated flange, so that the intermediate piece has a very simple cross-section, while the carrier has the same cross-sectional shape during its manufacture the flanges can be provided.
- At the point of contact between the intermediate piece and the flange there is in each case an intermediate space increasing from the point of contact or attachment, that is, a mutual tilting around the Longitudinal direction allowed.
- the projection, screw head, a nut and / or an intermediate part located between the screw head or nut and flange on the side facing away from the formlining can have a cross-section on the side facing the flange, for example rounded, which deviates outwards from the central region or beveled.
- the intermediate pieces in particular designed as strips, can be formed symmetrically with respect to their longitudinal center. This means that they can be attached to the formwork skin in practically any orientation, which means that when they are removed from the formwork skin, a preferred position and direction do not have to be observed, so that assembly is facilitated.
- the strip-shaped intermediate pieces can have an approximately rectangular cross-section, the side of the rectangle facing the flange of the carrier being convexly curved and / or starting from the central region bevelled on both sides or part-circular or semi-circular and a flattened or flat region of the cross-section on the Can lie on the outside of the formlining.
- the surface of the strip-shaped intermediate piece facing away from the formwork skin is also designed with a view to a corresponding shaping of the associated flange of the carrier. det, the intermediate piece itself can also be shaped so that there is the possibility of pivoting or tilting for a possibly flat flange.
- a formwork for curved surfaces with adjustable or changeable curvature results, in which the formlining as metal, plastic or wood has a long service life and resilience and yet the advantageous beams with U-, V-shaped or preferably trapezoidal cross-section can be used, which are closed on their side facing the formwork skin to form a type of box profile.
- the formlining can also be adapted to the respective curvature between the flanges of a support, because the formwork between the flanges and the flange and the swiveling or tilting of the flanges provided for this purpose also make the formwork between these flanges can be bent or curved or changed in their bend. At the same time, 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. 2 is a side view
- FIG. 3 shows, on an enlarged scale, a top view of a formwork element of the formwork according to the invention with curved and adjustable in terms of curvature formlining with edge webs acting as stiffeners and two beams,
- Fig. 4 is a representation corresponding to Fig. 3 of a formwork element with two parallel edges stiffening edge webs and an intermediate carrier with a trapezoidal cross section and
- FIG. 5 shows a cross section of a flange of one of the supports arranged on the back of the formlining for stiffening it in the region of its fastening flange, which is fastened pivotably or tiltably on the side of an intermediate piece facing away from the formwork.
- FIG. 3 shows a formwork element of a formwork for curved surfaces, generally designated 1, that is to say that such formwork can be composed of a plurality of such formwork elements 1, with connecting webs 3 acting as stiffeners for the formlining on the vertical edges 2 for mutually connecting such formwork elements 1 are provided.
- the formlining 4 is curved according to FIG. 3 and can be adjusted or adjusted with regard to its curvature.
- the formwork element 1 also has, according to FIG. 4, at least one, according to FIG. 3 two — possibly even more — supports 5 supporting the formwork skin 4 in addition to the connecting webs 3, which in the exemplary embodiment according to FIGS. 3 and 4 have an approximately trapezoidal cross section, which is open towards the supported formlining 4 and is practically supplemented by the formwork skin 5 to form a hollow cross section.
- the carrier (s) 5 have fastening flanges 6 on their edges facing the formlining 4, such a fastening flange 6 being shown particularly clearly in FIG. 5. It can be seen that the free edge of this flange 6 is bent away from the formlining 4.
- These fastening flanges 6 serve, in a manner to be described below, for connecting the supports 5 to the formlining 4.
- the formlining 4 is made of metal, in particular steel, plastic or wood and, because of its strength or, if appropriate, its thickness, permits high loads.
- intermediate pieces 9 are arranged between the fastening flanges 6 and the formlining 4 according to FIGS. 3 and 4 and especially according to FIG and the fastening flanges 6 of the supports 5 are fastened to them relative to them so that they can be pivoted or tilted about their longitudinal extension direction, so that the formlining 4 with the respective intermediate piece 9 together with the respective fastening flange 6 has a corresponding relative movement in the process Can change their curvature.
- the intermediate pieces 9 have threaded holes 10 into which fastening screws 11 or fastening bolts penetrating the flanges 6 of the carrier 5 can be screwed, as can be clearly seen in FIG. 4. It is thus avoided that a corresponding fastening element acts directly on the formlining 4, that is to say the intermediate piece 9 is given an additional function.
- the intermediate pieces 9 are essentially as long as the associated carrier 5 and / or its flange 6, so that the cross section shown in FIG. 5 results over the entire length of the carrier 5.
- each flange 6 of a carrier 5 each have a plurality of threaded holes 10 arranged in series corresponding to the number of fastening screws 11.
- the intermediate pieces 9 of a fastening flange 6 are interrupted and only in the region of the fastening screws 11 are arranged.
- the bevels 61 of the flange 6 are largely freely movable between the intermediate piece 9 and this intermediate part 12 and can therefore be pivoted or tilted accordingly, that is to say conversely, the formlining can carry out a corresponding pivoting or tilting movement relative to the flange 6 if their curvature is changed. This prevents the formwork skin 4 from following a change in curvature between the two flanges 6 of a carrier 5.
- the intermediate pieces 9 are formed in the exemplary embodiment as strips and symmetrical to their longitudinal center, so that they can be attached in any orientation.
- the cross section is rectangular, but could also be convexly curved on the side facing the flange 6 and be inclined and partially circular or even semicircular in shape, thereby enabling the relative pivoting movement between the intermediate piece 9 and the flange 6 already described.
- the formwork skin 4 can thus be changed with regard to their curvature with the aid of the belt 7 and the tensioning screw 8, without such a change in the curvature, in particular between the flanges 6 of a respective carrier 5, being prevented due to the attachment thereto and thereby irregular over the cross section of the formwork skin 4 becomes.
- the formwork 4 can thus be adjusted or adjusted in its curvature, this also continuing between the flanges 6 of a support 5, because the formwork facing despite its indirect connection with the flanges 6 can perform tilting or swiveling movements relative to their respective curvature. It is useful here that the centers of curvature lie on an axis that runs parallel to the longitudinal direction of the beams.
- the formwork element 1 can be constructed with other such formwork elements 1 to form a formwork.
- a formwork skin 4 that is adjustable in terms of its curvature is provided, which is supported by rear supports 5 in order to create a rigid formwork element 1 that withstands the concrete pressure.
- the carriers 5, which are preferably trapezoidal in cross section, have fastening flanges 6 at their edges and are provided at a distance from the formwork skin 4 with at least one belt 7, the length of which is adjustable to adjust or change the curvature of the formwork skin 4.
- the formlining 4 is preferably made of steel or plastic or wood, and between the fastening flanges 6 of the supports 5 and the formwork 4 arranged pieces 9, wherein the mounting flanges 6 are attached to them relative to them about their longitudinal direction of pivot or tilt, in which the cross section of the flanges 6 and / or the intermediate pieces 9 and / or 12 is convex or bevelled 61.
Landscapes
- Architecture (AREA)
- Engineering & Computer Science (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)
- Chairs Characterized By Structure (AREA)
- Magnetic Heads (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Pens And Brushes (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK03794971T DK1537281T3 (da) | 2002-09-02 | 2003-08-29 | Rundforskalling |
CA2497358A CA2497358C (en) | 2002-09-02 | 2003-08-29 | Circular formwork |
EA200500436A EA006665B1 (ru) | 2002-09-02 | 2003-08-29 | Круглая опалубка |
AU2003266324A AU2003266324A1 (en) | 2002-09-02 | 2003-08-29 | Circular formwork |
DE50310008T DE50310008D1 (de) | 2002-09-02 | 2003-08-29 | Rundschalung |
BR0313907-7A BR0313907A (pt) | 2002-09-02 | 2003-08-29 | Forro redondo |
EP03794971A EP1537281B1 (de) | 2002-09-02 | 2003-08-29 | Rundschalung |
US10/525,167 US7048249B2 (en) | 2002-09-02 | 2003-08-29 | Circular formwork |
SI200331337T SI1537281T1 (sl) | 2002-09-02 | 2003-08-29 | Okrogel opaĺ˝ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10240372A DE10240372B4 (de) | 2002-09-02 | 2002-09-02 | Rundschalung |
DE10240372.4 | 2002-09-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004025050A1 true WO2004025050A1 (de) | 2004-03-25 |
Family
ID=31502249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/009586 WO2004025050A1 (de) | 2002-09-02 | 2003-08-29 | Rundschalung |
Country Status (15)
Country | Link |
---|---|
US (1) | US7048249B2 (de) |
EP (1) | EP1537281B1 (de) |
AT (1) | ATE398714T1 (de) |
AU (1) | AU2003266324A1 (de) |
BR (1) | BR0313907A (de) |
CA (1) | CA2497358C (de) |
CY (1) | CY1108783T1 (de) |
DE (2) | DE10240372B4 (de) |
DK (1) | DK1537281T3 (de) |
EA (1) | EA006665B1 (de) |
ES (1) | ES2308023T3 (de) |
PL (1) | PL208756B1 (de) |
PT (1) | PT1537281E (de) |
SI (1) | SI1537281T1 (de) |
WO (1) | WO2004025050A1 (de) |
Families Citing this family (5)
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2426708C3 (de) | 1974-06-01 | 1978-06-08 | Josef 7611 Steinach Maier | Großflächenschalung |
US4619433A (en) | 1983-09-17 | 1986-10-28 | Josef Maier | Apparatus for erecting arcuate walls of concrete or the like |
US5492303A (en) * | 1991-05-18 | 1996-02-20 | Paschal-Werk G. Maier Gmbh | Formwork for surfaces varying in curvature |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3536816A1 (de) * | 1985-10-16 | 1987-04-16 | Josef Maier | Schalung fuer rund- oder vieleckbauten |
DE8815339U1 (de) * | 1988-12-09 | 1989-03-23 | Werner Zapf KG, 8580 Bayreuth | Schalung für großformatige gekrümmte Stahlbetonfertigteile |
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 |
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 |
-
2002
- 2002-09-02 DE DE10240372A patent/DE10240372B4/de not_active Withdrawn - After Issue
-
2003
- 2003-08-29 DE DE50310008T patent/DE50310008D1/de not_active Expired - Lifetime
- 2003-08-29 BR BR0313907-7A patent/BR0313907A/pt active IP Right Grant
- 2003-08-29 WO PCT/EP2003/009586 patent/WO2004025050A1/de active IP Right Grant
- 2003-08-29 AT AT03794971T patent/ATE398714T1/de active
- 2003-08-29 CA CA2497358A patent/CA2497358C/en not_active Expired - Lifetime
- 2003-08-29 PL PL373919A patent/PL208756B1/pl unknown
- 2003-08-29 DK DK03794971T patent/DK1537281T3/da active
- 2003-08-29 EP EP03794971A patent/EP1537281B1/de not_active Expired - Lifetime
- 2003-08-29 EA EA200500436A patent/EA006665B1/ru not_active IP Right Cessation
- 2003-08-29 ES ES03794971T patent/ES2308023T3/es not_active Expired - Lifetime
- 2003-08-29 PT PT03794971T patent/PT1537281E/pt unknown
- 2003-08-29 AU AU2003266324A patent/AU2003266324A1/en not_active Abandoned
- 2003-08-29 US US10/525,167 patent/US7048249B2/en not_active Expired - Lifetime
- 2003-08-29 SI SI200331337T patent/SI1537281T1/sl unknown
-
2008
- 2008-09-15 CY CY20081100988T patent/CY1108783T1/el unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2426708C3 (de) | 1974-06-01 | 1978-06-08 | Josef 7611 Steinach Maier | Großflächenschalung |
US4619433A (en) | 1983-09-17 | 1986-10-28 | Josef Maier | Apparatus for erecting arcuate walls of concrete or the like |
US5492303A (en) * | 1991-05-18 | 1996-02-20 | Paschal-Werk G. Maier Gmbh | Formwork for surfaces varying in curvature |
EP0514712B1 (de) | 1991-05-18 | 1996-03-06 | PASCHAL-WERK G. MAIER GmbH | Schalung für verschieden gekrümmte Flächen |
Also Published As
Publication number | Publication date |
---|---|
ES2308023T3 (es) | 2008-12-01 |
EP1537281B1 (de) | 2008-06-18 |
US20050263672A1 (en) | 2005-12-01 |
US7048249B2 (en) | 2006-05-23 |
DE10240372A1 (de) | 2004-03-11 |
EP1537281A1 (de) | 2005-06-08 |
EA200500436A1 (ru) | 2005-08-25 |
PT1537281E (pt) | 2008-09-30 |
ATE398714T1 (de) | 2008-07-15 |
CA2497358A1 (en) | 2004-03-25 |
AU2003266324A1 (en) | 2004-04-30 |
SI1537281T1 (sl) | 2008-12-31 |
CY1108783T1 (el) | 2014-04-09 |
BR0313907A (pt) | 2005-07-12 |
DE10240372B4 (de) | 2004-09-02 |
EA006665B1 (ru) | 2006-02-24 |
PL373919A1 (en) | 2005-09-19 |
CA2497358C (en) | 2011-06-07 |
DE50310008D1 (de) | 2008-07-31 |
PL208756B1 (pl) | 2011-06-30 |
DK1537281T3 (da) | 2008-10-20 |
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