WO2002022990A1 - Sistema de encofrado modular curvo de radio variable - Google Patents
Sistema de encofrado modular curvo de radio variable Download PDFInfo
- Publication number
- WO2002022990A1 WO2002022990A1 PCT/ES2000/000350 ES0000350W WO0222990A1 WO 2002022990 A1 WO2002022990 A1 WO 2002022990A1 ES 0000350 W ES0000350 W ES 0000350W WO 0222990 A1 WO0222990 A1 WO 0222990A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- formwork
- profiles
- trapezoidal
- triangles
- stiffeners
- 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 present invention relates to a curved modular formwork system of variable radius, whose purpose is to be able to execute curved walls both in building and in civil works, being conceived with such characteristics that respond to the need for a versatile formwork and functional.
- the formwork object of the invention allows a great rapidity of assembly and curving, which entails a minimum cost of labor at the time of its use.
- curved modular formwork Numerous types of curved modular formwork are known, which use both the applicant company and numerous other companies such as PERI, DOKA, HÜNNEBECK, MEVA, MECANOTUBO, ALSINA, PASCHAL, etc., so that in the formwork used by many of these companies there is a formwork skin on which a certain number of beams are screwed, as vertical ribs, so that on said vertical beams or ribs more or less ingenious systems of tensioners and stiffeners are placed in order to give curvature to the formwork panel and withstand concrete pressures, respectively.
- each brand or manufacturer uses its own joint profile or system, either staple, bolt or similar.
- European Patent 0 514 712 can be cited in which a formwork for surfaces of different curvature is described, based on the same principles as the previous one, and where the elements that are mounted on the trapezoidal profiles, instead of be individually linked to these present the particularity that each element constitutes a stiffener mounted between two trapezoidal profiles, also constituting a support for a joint bar between the two linings that constitute the formwork skin.
- the aforementioned stiffeners incorporate at one of their ends a regulating spindle that is related to a bolt or shaft, and through an appropriate piece it is linked in an articulated manner to the trapezoidal profile itself, producing the actuation of that spindle the approach or separation between the two pieces that link the stiffener itself to the two consecutive trapezoidal profiles, and consequently producing a tendency to approach or separate them, which results in the curvature of the lining or corresponding formwork skin.
- the two stiffeners of each panel are joined by adjustable intermediate tensioners that serve to uniformly adjust the curvature of the panel in the central area. Also, to complete the curving of the panel, extreme tensioners are used that adjust the roundness of the edges of the formwork panel.
- the formwork system that is recommended, based on those referred to in the previous section, presents a series of features or improvements that provide new features, better results and an optimization of the functionality and utility of the formwork itself.
- one of the improvements of the system object of the invention consists in the fact that the lining or formwork skin is constituted by two metal sheets on whose external face five vertical trapezoidal profiles are welded and at each end of the plates a special profile, realizing the union between the stiffeners and the trapezoidal and special profiles through intermediate tilting elements, which can move and rotate with respect to the stiffeners.
- Each tilting support is constituted by a pair of triangular plates that, from now on, we will call a triangle, there are central triangles and extreme triangles according to their position.
- the central triangles are joined, through two of their vertices to two consecutive trapezoidal profiles, while the third vertex is attached to one of the ends of a stiffener, making one of the joints to the trapezoidal profiles in an articulated way while the another has a certain sliding capacity that allows the rotation and sliding of the triangle with respect to the stiffener.
- the extreme triangles are joined through one of its vertices to a trapezoidal profile and through another vertex to the special profile provided at the end of the sheet, the articulated joint being made in the special profile, while the sliding joint is made in the trapezoidal profile.
- each stiffener is connected to two consecutive triangles, one of them articulated and the other slidingly, by means of a tensioning mechanism whose operation will be described below.
- a tensioning mechanism is constituted, constituted by a spindle and a movable nut, to which a transverse axis is attached that is connected to the two constituent plates of the corresponding triangle, the spindle being limited in its displacement by means of a locknut, so that when acting on the outer head of the spindle the mobile nut slides on it, dragging the transverse axis and consequently to the triangle, causing the said triangle to tilt with respect to the stiffener, at the same time as a traction or thrust of this on the trapezoidal profiles, producing the curving of the formwork skin.
- each of the two sheets that make up a panel incorporates five vertical trapezoidal profiles, two extreme special profiles, two central triangles attached to the trapezoidal profiles and two extreme triangles attached to a trapezoidal profile and a special profile, and two stiffeners each of which joins two consecutive triangles, having provided that between the contiguous ends of the stiffeners there is a central tensioner that adjusts the curvature of the panel in its central part.
- the system also includes a locking mechanism that immobilizes the formwork once the desired curvature is achieved, based on that locking device or mechanism on a threaded stud that, by means of two locknuts and linked between the triangular plate and the trapezoidal profile, manages to immobilize and block the panel in the curved position that has been given.
- Another advantage of the proposed system lies in the fact that the stiffeners, triangles and tensioners that are used to achieve the bending of the panel are the same both in the inner face and in the outer face of the panel.
- the special profiles provided at the ends of the metal sheets that constitute the formwork skin also allow the collateral connection of two adjacent panels by means of special clips provided for this purpose.
- Another improvement is that the elements that constitute the lining, that is to say the metal sheets, are provided on their upper edge and on their lower edge with centering blocks, which are also provided in the special lateral profiles, which makes it possible to carry out a vertical assembly or assembly without any problem, with ease and simplicity.
- the aforementioned metal covers that determine the lining of the panel have internal leveling feet, materialized by spindles with a support and support base, which allows a correct poise and leveling on the floor, and also that the sheet Do not be in contact with the floor.
- Figure 1 shows a plan view of a formwork module made in accordance with the object of the present invention.
- Figure 2. Shows a side view according to a vertical arrangement of the module represented in the previous figure.
- Figure 3. Shows a view of two formwork modules made in accordance with the object of the invention, facing each other to engage collaterally.
- Figures 4, 5 and 6. They show two longitudinal sectional views and an end elevation of the stiffener used in the formwork system object of the invention.
- Figure 7 shows, finally, an enlarged detail of the link between the stiffeners and the triangular plates that in turn are linked to the trapezoidal profiles, as well as the locking mechanism to maintain the formwork curvature once this is achieved.
- the formwork panel module represented in general with the number (1) in figure 1 and made in accordance with the object of the invention, comprises two metal sheets (2), preferably of steel special high elastic limit that allows to bend up to a minimum internal radius of two meters whose plates (2) are equipped both bottom and top with tacos of cen suit (3) that allow the vertical assembly between panels (1), as well as the collateral assembly, as represented in Figure 3.
- each sheet (2) has a lifting hook (4) and a nut braces (5) at its top that ensure the vertical fastening of the panels.
- levelers (6) constituted by a spindle that is mounted on a nut secured to the corresponding panel or sheet that constitutes it, and finished off in a support base.
- each formwork sheet (2) there is a special profile (7 1 ) that complements the trapezoidal profiles (7) with which said sheet (2) is provided on its outer face and vertically, as clearly represented in figure 3.
- These lateral and special profiles (7 1 ) guarantee the lateral union between panels, by means of a staple, also special, counting such special profiles
- the number of trapezoidal profiles (7) that each metal sheet and formwork has (2) is five, one of its main characteristics being its high inertia, these profiles (7) being provided with a metal cover, both upper and lower, to prevent the fall of concrete, with the particularity that both as superiorly and inferiorly they have windows (8) to allow the assembly in height of the panels themselves (1), also having welded on two levels in height, the pieces that will serve as a union of the other elements to form the straps.
- the panels also include pairs of stiffeners (10) consisting of two "UPN" profiles, as shown in Figures 4, 5 and 6, whose stiffeners (10) have an adjustable tensioning mechanism and in their lower part are provided of moorings that serve to fix in them the corresponding stabilizers by means of which aplomb and consolidation will be given to the whole formwork, and whose moorings are those referenced with the number (11).
- stiffeners (10) four panels are mounted on each panel, two for each plate (2), each pair being joined by an intermediate tensioner (12).
- the main feature of the invention is that between the trapezoidal profiles (7) and the stiffeners (10) intermediate elements or triangles (13) are mounted, by means of which the necessary movement is transmitted to generate the appropriate curve to every need
- the extreme triangles (13) are linked to the outermost trapezoidal profile (7) of that side, the respective special profile (7 ') near it and the external end of the corresponding stiffener (10), while between the three intermediate trapezoidal profiles (7) two central triangles (13) are mounted, joined together by one of its ends and in turn by the corresponding intermediate trapezoidal profile (7), through a bolt or shaft (15), a bolt that is repeated in the connection to the respective end plates (13) to the special and side profiles (7 ').
- each triangle (13) has an elongated hole (14) in which a bolt (16) plays that allows the tilt between the triangle (13) and the stiffener (10) ).
- the third vertex of the central triangles (13) joins through the corresponding bolt (15), to the stiffeners (10) and to the very ends of the intermediate central tensioner (12), while the third vertex of the extreme triangles (13) ) joins the stiffeners (10) through a bolt (17) that plays in a groove (18) provided for this purpose in stiffeners (10).
- Each triangular plate (13) has a plate (27) on which a threaded stud (28) is mounted with two nuts (29), which at the other end join a shaft (30) provided for this purpose a sheet solidarity corresponding trapezoidal profile (7), constituting a blocking means once the curvature is achieved, as will be shown below.
- the stiffener (10) includes a tensioning mechanism that is externally operable by means of a nut (21) attached to a spindle (22) that threads onto a nut (23) from which the shaft (17) emerges, which plays in the elongated grooves (18) of the stiffeners (10), the spindle (22) being mounted, in addition to the nut (23), on a pair of plates (24) welded to one of the profiles of which they constitute the stiffener (10) , all this so that this tensioner-regulator can rotate in its housing or location and is unable to axial displacement by means of a nut (25) locked with a pin pin.
- Formwork maintenance with the resulting curvature may Obtained by means of a locking device when it is constituted by the threaded stud (28) that mounts between the trapezoidal profile (7), specifically between a sheet welded to it and the sheet (27) welded to the triangular plate (13), the tighten by means of the nuts (29), as shown in figure 7.
- those nuts (29) will be free, that is mounted on the threaded stud (28) but without being tightened to allow logically the movements of the triangular plates (13) and therefore obtaining the curvature of the panel.
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)
- Body Structure For Vehicles (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT00962553T ATE388289T1 (de) | 2000-09-18 | 2000-09-18 | Modulare gekrümmte schalung mit variablem radius |
PT00962553T PT1321601E (pt) | 2000-09-18 | 2000-09-18 | Sistema de cofragem modular curva com raio variável |
BRPI0015759-7A BR0015759B1 (pt) | 2000-09-18 | 2000-09-18 | sistema de estrutura de fârma modular dotada de curvatura variÁvel. |
DE60038254T DE60038254T2 (de) | 2000-09-18 | 2000-09-18 | Modulare gekrümmte schalung mit variablem radius |
PCT/ES2000/000350 WO2002022990A1 (es) | 2000-09-18 | 2000-09-18 | Sistema de encofrado modular curvo de radio variable |
ES00962553T ES2301490T3 (es) | 2000-09-18 | 2000-09-18 | Sistema de encofrado modular de curvatura variable. |
AU2000274232A AU2000274232A1 (en) | 2000-09-18 | 2000-09-18 | Modular curved formwork system with variable radius |
EP00962553A EP1321601B1 (en) | 2000-09-18 | 2000-09-18 | Modular curved formwork system with variable radius |
PE2001000843A PE20020309A1 (es) | 2000-09-18 | 2001-08-21 | Sistema de encofrado modular curvo de radio variable |
ARP010104036A AR031603A1 (es) | 2000-09-18 | 2001-08-24 | Sistema de encofrado modular curvo de radio variable |
US10/153,491 US6530552B2 (en) | 2000-09-18 | 2002-05-16 | Curved formwork system with varying curvature |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES2000/000350 WO2002022990A1 (es) | 2000-09-18 | 2000-09-18 | Sistema de encofrado modular curvo de radio variable |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/153,491 Continuation US6530552B2 (en) | 2000-09-18 | 2002-05-16 | Curved formwork system with varying curvature |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002022990A1 true WO2002022990A1 (es) | 2002-03-21 |
Family
ID=8244268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2000/000350 WO2002022990A1 (es) | 2000-09-18 | 2000-09-18 | Sistema de encofrado modular curvo de radio variable |
Country Status (11)
Country | Link |
---|---|
US (1) | US6530552B2 (es) |
EP (1) | EP1321601B1 (es) |
AR (1) | AR031603A1 (es) |
AT (1) | ATE388289T1 (es) |
AU (1) | AU2000274232A1 (es) |
BR (1) | BR0015759B1 (es) |
DE (1) | DE60038254T2 (es) |
ES (1) | ES2301490T3 (es) |
PE (1) | PE20020309A1 (es) |
PT (1) | PT1321601E (es) |
WO (1) | WO2002022990A1 (es) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101736897B (zh) * | 2009-12-10 | 2011-08-10 | 北京卓良模板有限公司 | 可调圆弧模板 |
US20130240473A1 (en) * | 2012-03-16 | 2013-09-19 | Howard Harrenstien | Uniform tension distribution mechanism for stretched membrane solar collectors |
CN115679776A (zh) * | 2022-11-23 | 2023-02-03 | 中铁第四勘察设计院集团有限公司 | 一种用于弯道装配式路面的可调式模板 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10018658B4 (de) * | 2000-04-14 | 2008-10-16 | Alpi Ag | Rundschalungsmodul |
DE10240372B4 (de) * | 2002-09-02 | 2004-09-02 | Paschal-Werk G. Maier Gmbh | Rundschalung |
WO2005054604A1 (es) * | 2003-11-27 | 2005-06-16 | Ulma C Y E, S. Coop. | Sistema trepador para encofrados, andamios y cargas en general |
DE10358886B4 (de) | 2003-12-16 | 2012-06-06 | Peri Gmbh | Betonrundschalung |
US7131624B2 (en) * | 2004-08-30 | 2006-11-07 | Bogrett Blake B | Landscape edging form assembly and method |
DE102005030332A1 (de) * | 2005-06-29 | 2007-01-04 | Peri Gmbh | Angelenkter Kletterschuh einer Kletterschalung |
US20090146043A1 (en) * | 2007-12-07 | 2009-06-11 | Gates & Sons, Inc. | Modular form for casting concrete highway barriers |
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 |
FR2956425B1 (fr) * | 2010-02-16 | 2012-03-16 | Hussor | Banche cintrable munie d'un dispositif de repartition uniforme et de maintien du cintrage |
CN110397265B (zh) * | 2019-07-29 | 2021-09-21 | 国网河北省电力有限公司邢台供电分公司 | 复合塑料板材、制备方法、模板及塑形方法 |
KR102214700B1 (ko) * | 2020-06-22 | 2021-02-10 | 한밭대학교 산학협력단 | 가변형 측면 거푸집 |
CN112031398B (zh) * | 2020-09-07 | 2022-07-05 | 湖南三湘和高新科技有限公司 | 一种弧形铝模板及弧形板运输工具 |
CN113152881B (zh) * | 2021-04-21 | 2022-08-09 | 浙江宜和新型材料有限公司 | 用于浇筑含曲面混凝土墙体的模板系统 |
CN115030489B (zh) * | 2022-06-22 | 2024-02-20 | 中铁建工集团有限公司 | 一种转角处构造柱模板加固装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0514712A1 (de) * | 1991-05-18 | 1992-11-25 | PASCHAL-WERK G. MAIER GmbH | Schalung für verschieden gekrümmte Flächen |
FR2698648A1 (fr) * | 1992-11-27 | 1994-06-03 | Coffrages Ricard | Poutrelle cintrable et coffrages courbes faisant application de telles poutrelles. |
FR2711705A1 (fr) * | 1993-10-27 | 1995-05-05 | Sateco Sa | Dispositif de coffrage à rayon de courbure réglable, notamment pour les ouvrages en béton. |
EP0799950A1 (fr) * | 1996-04-05 | 1997-10-08 | Eurobress | Dispositif de coffrage à rayon de courbure réglable |
ES2141010A1 (es) * | 1997-04-04 | 2000-03-01 | Ingenieria Encofrados Servi Sl | Dispositivo para el encofrado de muros circulares. |
-
2000
- 2000-09-18 AT AT00962553T patent/ATE388289T1/de not_active IP Right Cessation
- 2000-09-18 AU AU2000274232A patent/AU2000274232A1/en not_active Abandoned
- 2000-09-18 WO PCT/ES2000/000350 patent/WO2002022990A1/es active IP Right Grant
- 2000-09-18 EP EP00962553A patent/EP1321601B1/en not_active Expired - Lifetime
- 2000-09-18 PT PT00962553T patent/PT1321601E/pt unknown
- 2000-09-18 BR BRPI0015759-7A patent/BR0015759B1/pt not_active IP Right Cessation
- 2000-09-18 DE DE60038254T patent/DE60038254T2/de not_active Expired - Lifetime
- 2000-09-18 ES ES00962553T patent/ES2301490T3/es not_active Expired - Lifetime
-
2001
- 2001-08-21 PE PE2001000843A patent/PE20020309A1/es not_active Application Discontinuation
- 2001-08-24 AR ARP010104036A patent/AR031603A1/es active IP Right Grant
-
2002
- 2002-05-16 US US10/153,491 patent/US6530552B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0514712A1 (de) * | 1991-05-18 | 1992-11-25 | PASCHAL-WERK G. MAIER GmbH | Schalung für verschieden gekrümmte Flächen |
FR2698648A1 (fr) * | 1992-11-27 | 1994-06-03 | Coffrages Ricard | Poutrelle cintrable et coffrages courbes faisant application de telles poutrelles. |
FR2711705A1 (fr) * | 1993-10-27 | 1995-05-05 | Sateco Sa | Dispositif de coffrage à rayon de courbure réglable, notamment pour les ouvrages en béton. |
EP0799950A1 (fr) * | 1996-04-05 | 1997-10-08 | Eurobress | Dispositif de coffrage à rayon de courbure réglable |
ES2141010A1 (es) * | 1997-04-04 | 2000-03-01 | Ingenieria Encofrados Servi Sl | Dispositivo para el encofrado de muros circulares. |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101736897B (zh) * | 2009-12-10 | 2011-08-10 | 北京卓良模板有限公司 | 可调圆弧模板 |
US20130240473A1 (en) * | 2012-03-16 | 2013-09-19 | Howard Harrenstien | Uniform tension distribution mechanism for stretched membrane solar collectors |
CN115679776A (zh) * | 2022-11-23 | 2023-02-03 | 中铁第四勘察设计院集团有限公司 | 一种用于弯道装配式路面的可调式模板 |
Also Published As
Publication number | Publication date |
---|---|
DE60038254T2 (de) | 2009-03-26 |
US20020139917A1 (en) | 2002-10-03 |
DE60038254D1 (de) | 2008-04-17 |
BR0015759B1 (pt) | 2009-01-13 |
US6530552B2 (en) | 2003-03-11 |
PE20020309A1 (es) | 2002-06-03 |
BR0015759A (pt) | 2002-08-06 |
EP1321601A1 (en) | 2003-06-25 |
ES2301490T3 (es) | 2008-07-01 |
AR031603A1 (es) | 2003-09-24 |
PT1321601E (pt) | 2008-05-19 |
AU2000274232A1 (en) | 2002-03-26 |
EP1321601B1 (en) | 2008-03-05 |
ATE388289T1 (de) | 2008-03-15 |
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