EP0514712B1 - Schalung für verschieden gekrümmte Flächen - Google Patents

Schalung für verschieden gekrümmte Flächen Download PDF

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Publication number
EP0514712B1
EP0514712B1 EP92107699A EP92107699A EP0514712B1 EP 0514712 B1 EP0514712 B1 EP 0514712B1 EP 92107699 A EP92107699 A EP 92107699A EP 92107699 A EP92107699 A EP 92107699A EP 0514712 B1 EP0514712 B1 EP 0514712B1
Authority
EP
European Patent Office
Prior art keywords
formwork
crosspiece
girders
curvature
girder
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
EP92107699A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0514712A1 (de
Inventor
Kurt Jaruzel
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
Publication of EP0514712A1 publication Critical patent/EP0514712A1/de
Application granted granted Critical
Publication of EP0514712B1 publication Critical patent/EP0514712B1/de
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 formwork for differently curved surfaces with an adjustable formwork with respect to their curvature, with these supporting beams and with a strap acting on the beams at a distance from the formwork, formed from individual belt pieces, the effective length of the belt pieces between the beams and theirs Attack points for changing the curvature of the formlining on the beams is adjustable and opposing formwork elements can be braced by means of formwork tie anchors.
  • Such formwork is known from DE-PS 24 26 708.
  • the belt pieces are formed by tension rods with opposing threads, so-called turnbuckles, which engage in a threaded clamping sleeve on both sides, a rotation of the clamping sleeve causing the desired change in length.
  • Such a change in length can change the curvature of the formwork skin due to the distance of the belt pieces from the formwork skin.
  • one rod end engages a support and it is necessary to brace the opposing supports of the formwork against each other by means of formwork tie anchors so that the spacing of the opposing formwork elements is retained, in particular when the concrete is poured in.
  • This formwork has proven, but requires a relatively large number of formwork tie rods, as these are available on every girder.
  • a curved formwork panel is known, in which adjustable clamping elements for changing the curvature and at different heights are provided between vertical supports at different heights for the attack of formwork tie rods.
  • straps or strapping elements on the one hand and crossbeams as abutments for formwork tie rods on the other hand are provided, which leads to a corresponding assembly effort.
  • the invention is therefore based on the object of creating a formwork of the type mentioned which requires fewer formwork tie rods, but in which a mutual bracing of the opposing formwork elements is nevertheless provided.
  • a cross member acts on at least two supports as a piece of belting on a formwork element, which crossbeam is also provided as an abutment for the formwork tie rod and which is applied to at least one of the beams it applies by means of one in its longitudinal direction and transverse to Orientation of the carrier extending direction is adjustable and can be fixed.
  • crossbeams can be used to adjust the spacing of the beams and thus to change the curvature and, at the same time, as an abutment for a formwork tie rod serve between two beams, so that the number of formwork tie rods is halved compared to a solution with tension points on each beam. Nevertheless, the reaction forces of the formwork tie rod can be introduced into the two beams adjacent to it via the crossbar.
  • the design of a belt section or belt piece as a crossmember which is able to transmit forces occurring transversely to its course, can give the belt piece a double function.
  • the abutment point for the formwork tie rod is arranged on the crossbar between its fastening points on two adjacent beams and the crossbar is in contact with the beams, in particular on the sides facing away from the formwork, and preferably overlaps them.
  • the crossbar thus bridges two beams and can transmit the tension force emanating from the formwork tie anchor approximately evenly to the back of the two beams.
  • An adjusting spindle can be provided on the crossmember, by means of which a relative movement between the crossmember and the carrier acted upon by it can be carried out by means of a nut which, in particular, is releasably attached to the carrier and cooperates with the spindle.
  • a guide provided on the cross member is an elongated hole which is arranged parallel to the spindle in the longitudinal direction of the crossmember at least in the area of engagement of the spindle.
  • a guide bolt or the like penetrating the elongated hole can be arranged on the support, which can be connected to the support - preferably releasably - on the one hand in particular via a tab, a flange or the like and on the other hand carries the nut for the adjusting spindle anchored to the crossmember.
  • the adjusting spindle arranged parallel to the crossbar can thus be adjusted by rotating it at the same time together with the crossbar relative to the nut in the longitudinal direction, whereby the bolt carrying the nut is displaced within the elongated hole, so that the respective effective length of the crossbar on the carrier is changed. Nevertheless, this results in a very simple operation, which can also transfer the forces that occur.
  • the formwork element has an even number of more than two, in particular parallel beams, and in each case a beam directly adjacent to the edge of the formwork element is connected to the second beam, which in turn is adjacent to it, and if the beam pairs formed in this way are connected to one another via one adjustable in length turnbuckle are connected as another strap.
  • Trusses alternate with a turnbuckle on a formwork element, on which no formwork tie rods are required, since the trusses connected to them can support formwork tie rods.
  • a formwork element that is easy to handle with regard to its size is obtained if four approximately parallel beams are provided on it and the two beams near the edge are bridged and connected by crossbeams and when the beams which are adjacent to one another in the central region of the formwork element are connected by a turnbuckle which continues the belting.
  • Such a formwork element with four girders thus has a belt with two traverses and a turnbuckle that continues and only requires two formwork tie rods, instead of twice as many formwork tie rods attacking all four girders.
  • the crossbeams act on joints on abutment pieces which can be releasably connected to the carriers, so that the belt can also be removed again.
  • the turnbuckles respectively arranged between two crossbeams belonging to a belt are expediently fastened in an articulated manner to the mutually facing ends of the crossbeams, so that the turnbuckles and the crossbeams form a practically continuous belt chain, which also allows adaptation to different curvatures of the formwork skin due to the articulated fastenings .
  • the turnbuckle can be articulated on the mutually facing projections of two crossbeams. This results in enough space for this articulated connection and at the same time a fixed support of a cross member on two beams.
  • Embodiments of the invention and in particular the arrangement of the adjusting spindle on the cross member and also the cross member itself are the subject of further claims.
  • claim 13 specifies a measure to be able to get by with the smallest possible spindles, since in the arrangement according to claim 13 these are each subject to a tensile force when the curvature is changed in the sense of a smaller radius of curvature, that is to say only designed essentially to absorb such tensile forces have to be.
  • a formwork designated as a whole with 1 permits adaptation to differently curved surfaces and accordingly has a formwork skin 2 which can be adjusted with respect to its curvature.
  • the formwork skin 2 is supported and stiffened by cross-sectionally trapezoidal supports 3 and at least one, possibly via, engages on the supports 3 Height also offsets several belt chains or belts formed from individual belt pieces 4 and 5 at a distance from the formlining 2.
  • the effective length of the belt pieces 4 and 5 between the carriers 3 is adjustable, so that the curvature of the formlining 2 can be adjusted. It can be seen in FIG. 1 that the facing formwork elements consisting of formlining 2 and beams 3 can be braced against one another by means of formwork tie rods 6.
  • crossbar 4" acts on a formwork element on two beams 3 as a belt piece 4, which simultaneously serves as an abutment for a formwork tie rod 6 arranged between two beams 3.
  • the crossmember 4 can be adjusted and fixed on at least one of the beams 3 acted upon by it in a direction in its longitudinal direction and transversely to the orientation of the beam 3, so that the beams with their outer sides facing away from the formlining 2 are pulled towards one another or moved away from one another and thereby the curvature the formlining 2 can be changed.
  • the abutment point for the formwork tie rod 6 is arranged on the crossbar between its fastening points on two adjacent beams 3, in particular approximately in the middle in between, and in the exemplary embodiment according to FIGS. 3 and 5 is designed as an elongated slot 4a, so that the effective length of the crossbar changes or the distance between the outer sides of the carrier 3 does not influence the position of the formwork tie rod 6 or conversely the adjustment on the cross member 4 is not hindered by the formwork tie rod 6. This results in a practically uniform and approximately equal introduction of the reaction forces of the formwork tie rod 6 into the beams 3 adjacent to it, even with different effective lengths of the cross member 4.
  • an adjusting spindle 7 is provided on the cross member 4, by means of which a relative movement between the cross member 4 and the carrier 3 acted upon by it can be carried out by means of a nut 8, which in particular is releasably attached to the carrier 3 and cooperates with the spindle 7 .
  • a guide designed as an elongated hole 9 is provided on the crossbar 4, which runs parallel to the crossbar 4 in the longitudinal direction of extension of the crossbar 4, at least in the area of engagement.
  • a guide bolt 10 passing through the elongated hole 9, which is connected on the one hand to the carrier 3 via a lug 11 or a flange and on the other hand carries the nut 8 for the adjusting spindle 7 anchored to the cross member 4. If the adjusting spindle 7 is now rotated via its hexagon 12, this also brings about an axial adjustment of the adjusting spindle 7 relative to its nut 8, which increases the distance between the guide bolt 10 and a holding bolt 13 fastened to the parallel support 3 and thus the effective length of the cross member 4 changed. The outer sides of the carriers 3 are thus adjusted towards or away from one another, which results in a change in the curvature of the formlining 2.
  • the two formwork elements that can be seen in FIG. 1 each have an even number of more than two, namely four parallel beams 3 and two beams 3 directly adjacent to the edge of a formwork element are connected and bridged by cross members 4, while the pairs of beams thus formed are interconnected Are connected via a turnbuckle adjustable in length as a further strap piece 5.
  • the distance between the two beams 3 located at the mutually facing ends of the crossbeams 4 can also be changed, so that the entire curvature of the formlining 2 can be adjusted largely uniformly.
  • the cross members 4 engage via joints on abutment pieces, which include the tabs 11 which are penetrated by the bolts 10 and 13.
  • abutment pieces 14 are in turn releasably connectable to the carriers 3 so that the belt can also be removed.
  • the adjusting spindle 7 also carries lock nuts 16 which can be locked relative to the adjusting nut 8 and / or the web 15, so that the respectively set position can be fixed in such a way that shaking of the concrete or other dynamic loads does not lead to an unwanted adjustment of the intended curvature of the Guide formwork skin 2.
  • FIG. 1 On the basis of FIG. 1 and also on the basis of FIGS. 2 and 3 on the one hand and FIGS. 4 and 5 on the other hand, it can be seen that different crossbeams 4 are provided, depending on whether they are to be arranged on the inside of a curvature of the formwork 1 or else are provided on the outside.
  • the adjusting spindle 7 according to FIGS. 4 and 5 In the case of a cross member 4 for arrangement on the inside of a curvature, the adjusting spindle 7 according to FIGS. 4 and 5 is directed with its free end towards the end of the cross member 4 facing the edge of the formwork element.
  • the trusses 4 themselves are very rigid due to their double T-shaped profile with an inner double web and are very firmly anchored by the formwork tie rods on the one hand and the attachment to the beams 3 on the other hand, they can also transmit corresponding additional support and holding forces . They can therefore be used both to change the effective length of a belt section 4 between two beams 3 and to absorb the tensioning forces of the formwork tie rods and finally to hold running brackets or floor supports.
  • a turnbuckle 20 or similar element directed towards the adjacent formwork edge 19 and articulated there to adjust the curvature or curvature of the edge area of the formlining 2 is provided next to a carrier 3.
  • these turnbuckles 20, which serve to adjust the curvature of the edge of the formlining 2 can be offset in height in the longitudinal direction of the beams 3 with respect to the cross members 4.
  • the formwork 1 for differently curved surfaces has a formwork skin 2 that can be adjusted in terms of its curvature, this supporting beam 3 and a belting that acts on the beams 3 at a distance from the formwork skin 2 and is formed from individual belt pieces 4 and 5 bridging the beams 3, which are expediently on the the formwork skin 2 facing away from the outside of the carrier 3 is attached.
  • the curvature of the formwork skin 2 is adjusted by changing the effective length of the belt pieces 4 and 5 between the carriers 3.
  • the formwork elements facing each other are by means of Formwork tie rods 6 can be braced against each other.
  • a crossmember 4 acts on a formwork element on at least two beams 3 as a belt piece, which cross member is simultaneously provided as an abutment for the formwork tie rod 6, which is thus arranged between two beams and whose reaction forces are transmitted to the two beams.
  • the crossbeam can also be changed in terms of its effective length in that its fastening point is adjustable in its longitudinal direction and transversely to the orientation of the carrier, so that the crossbeam 4 is available both as an adjustable belt piece when changing the curvature of the formlining 2 and also absorbs the tension.
  • the guide pin 1o is provided on both sides in the area of its otherwise round part with a surface or flattening 1oa resting on the edges of the respective elongated hole 9.
  • the forces are introduced from the belt pieces 4 into the carrier 3 via the surfaces or edges of the elongated hole 9 onto the mentioned surface or flattening 1oa of the guide pin 1o and this in turn via the rounding of the guide pin 1o into the hole in the tab 11.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Medicinal Preparation (AREA)
  • Magnetic Heads (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Bridges Or Land Bridges (AREA)
  • Stringed Musical Instruments (AREA)
  • Prostheses (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Catalysts (AREA)
  • Materials For Medical Uses (AREA)
  • Road Paving Machines (AREA)
  • Golf Clubs (AREA)
  • Moulding By Coating Moulds (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP92107699A 1991-05-18 1992-05-07 Schalung für verschieden gekrümmte Flächen Expired - Lifetime EP0514712B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4116439 1991-05-18
DE4116439A DE4116439C1 (enrdf_load_stackoverflow) 1991-05-18 1991-05-18

Publications (2)

Publication Number Publication Date
EP0514712A1 EP0514712A1 (de) 1992-11-25
EP0514712B1 true EP0514712B1 (de) 1996-03-06

Family

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EP92107699A Expired - Lifetime EP0514712B1 (de) 1991-05-18 1992-05-07 Schalung für verschieden gekrümmte Flächen

Country Status (32)

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US (1) US5492303A (enrdf_load_stackoverflow)
EP (1) EP0514712B1 (enrdf_load_stackoverflow)
JP (1) JP3502918B2 (enrdf_load_stackoverflow)
KR (1) KR100225113B1 (enrdf_load_stackoverflow)
CN (1) CN1052288C (enrdf_load_stackoverflow)
AT (1) ATE135076T1 (enrdf_load_stackoverflow)
AU (1) AU653234B2 (enrdf_load_stackoverflow)
BR (1) BR9206014A (enrdf_load_stackoverflow)
CA (1) CA2109610C (enrdf_load_stackoverflow)
CZ (1) CZ281634B6 (enrdf_load_stackoverflow)
DE (2) DE4116439C1 (enrdf_load_stackoverflow)
DK (1) DK0514712T3 (enrdf_load_stackoverflow)
DZ (1) DZ1579A1 (enrdf_load_stackoverflow)
EG (1) EG19856A (enrdf_load_stackoverflow)
ES (1) ES2084868T3 (enrdf_load_stackoverflow)
FI (1) FI935088A0 (enrdf_load_stackoverflow)
GE (1) GEP20012539B (enrdf_load_stackoverflow)
GR (1) GR3019938T3 (enrdf_load_stackoverflow)
HK (1) HK174896A (enrdf_load_stackoverflow)
HU (1) HUT69476A (enrdf_load_stackoverflow)
MA (1) MA22523A1 (enrdf_load_stackoverflow)
MX (1) MX9202334A (enrdf_load_stackoverflow)
NO (1) NO179340C (enrdf_load_stackoverflow)
PL (1) PL55249Y1 (enrdf_load_stackoverflow)
RU (1) RU2087649C1 (enrdf_load_stackoverflow)
SG (1) SG74531A1 (enrdf_load_stackoverflow)
SK (1) SK284020B6 (enrdf_load_stackoverflow)
TN (1) TNSN92036A1 (enrdf_load_stackoverflow)
TR (1) TR27945A (enrdf_load_stackoverflow)
UA (1) UA29405C2 (enrdf_load_stackoverflow)
WO (1) WO1992020887A1 (enrdf_load_stackoverflow)
ZA (1) ZA923379B (enrdf_load_stackoverflow)

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FR2698648A1 (fr) * 1992-11-27 1994-06-03 Coffrages Ricard Poutrelle cintrable et coffrages courbes faisant application de telles poutrelles.
US6530552B2 (en) 2000-09-18 2003-03-11 Ulma C Y E, S. Coop. Curved formwork system with varying curvature
DE10240372A1 (de) * 2002-09-02 2004-03-11 Paschal-Werk G. Maier Gmbh Rundschalung
CN101614075B (zh) * 2009-07-28 2011-10-19 中建三局建设工程股份有限公司 可调接口模板安装结构

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CN102191856B (zh) * 2010-03-18 2013-03-06 彭宝安 可调曲率曲面模板
CN102168488A (zh) * 2010-04-23 2011-08-31 吴方伯 一种建筑用楼板模板
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CN102505839A (zh) * 2011-11-21 2012-06-20 中冶天工集团有限公司 工业厂房弧形剪力墙浇筑用弧形模板及其制作方法
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CN105735638B (zh) * 2016-03-23 2018-02-16 中冶建工集团有限公司 一种牛腿浇筑用弧形模具加工方法及其牛腿浇筑方法
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KR102027278B1 (ko) * 2018-01-18 2019-10-02 에스오씨기술지주 주식회사 곡률조절이 가능한 콘크리트구조물 거푸집
CN110043022A (zh) * 2019-04-29 2019-07-23 重庆房地产职业学院 一种可变径弧形模板
CN110409800B (zh) * 2019-08-01 2021-10-22 中国建筑第八工程局有限公司 现浇清水混凝土风洞高精度模板施工方法
CN110576085B (zh) * 2019-09-06 2025-01-17 广东玛格家居有限公司 一种弧形门芯板弯曲装置
RU197204U1 (ru) * 2019-11-05 2020-04-13 Владимир Викторович Никитин Трансформируемая шарнирная универсальная опалубка
CN113404289A (zh) * 2020-03-17 2021-09-17 中天建设集团有限公司 一种斜屋面模板支撑体系及其施工方法
CN112962958A (zh) * 2021-01-23 2021-06-15 陕西创宜建筑科技有限公司 一种卫生间吊模用圆弧模板
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
CN114046044B (zh) * 2021-10-27 2022-06-14 安徽送变电工程有限公司 一种模板支撑紧固工具
CN114799692B (zh) * 2022-05-07 2023-01-24 北京韬盛科技发展有限公司 一种建筑模板加工构件、加工系统及模板加工方法

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JPH02147770A (ja) * 1988-11-28 1990-06-06 Natl House Ind Co Ltd 型枠の支柱の取り付け構造
NO166141C (no) * 1989-02-03 1991-06-05 Arnfinn Saervoll Forskalingsanordning.
DE8908345U1 (de) * 1989-07-08 1989-10-05 Peri GmbH, 7912 Weißenhorn Vorrichtung zum Anpassen eines Schalungselements an bestimmte Radien einer Rundschalung
GB9023699D0 (en) * 1990-10-31 1990-12-12 Leada Acrow Ltd Improvements in and relating to concrete formwork

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2698648A1 (fr) * 1992-11-27 1994-06-03 Coffrages Ricard Poutrelle cintrable et coffrages courbes faisant application de telles poutrelles.
US6530552B2 (en) 2000-09-18 2003-03-11 Ulma C Y E, S. Coop. Curved formwork system with varying curvature
DE10240372A1 (de) * 2002-09-02 2004-03-11 Paschal-Werk G. Maier Gmbh Rundschalung
WO2004025050A1 (de) 2002-09-02 2004-03-25 Paschal-Werk G. Maier Gmbh Rundschalung
DE10240372B4 (de) * 2002-09-02 2004-09-02 Paschal-Werk G. Maier Gmbh Rundschalung
CN101614075B (zh) * 2009-07-28 2011-10-19 中建三局建设工程股份有限公司 可调接口模板安装结构

Also Published As

Publication number Publication date
EP0514712A1 (de) 1992-11-25
DE4116439C1 (enrdf_load_stackoverflow) 1992-08-27
DK0514712T3 (da) 1996-07-22
GEP20012539B (en) 2001-09-25
ES2084868T3 (es) 1996-05-16
TR27945A (tr) 1995-10-31
TNSN92036A1 (fr) 1993-06-08
AU1792992A (en) 1992-12-30
CZ281634B6 (cs) 1996-11-13
EG19856A (en) 1996-06-30
SG74531A1 (en) 2000-08-22
DZ1579A1 (fr) 2002-02-17
MA22523A1 (fr) 1992-12-31
ZA923379B (en) 1993-01-27
FI935088A7 (fi) 1993-11-17
CZ243393A3 (en) 1994-05-18
SK284020B6 (sk) 2004-08-03
HU9302892D0 (en) 1994-03-28
BR9206014A (pt) 1994-11-15
NO179340C (no) 1996-09-18
SK128893A3 (en) 1994-04-06
KR100225113B1 (ko) 1999-10-15
HK174896A (en) 1996-09-27
CN1067088A (zh) 1992-12-16
MX9202334A (es) 1992-11-01
RU2087649C1 (ru) 1997-08-20
DE59205536D1 (de) 1996-04-11
CA2109610A1 (en) 1992-11-26
CA2109610C (en) 2002-10-22
JPH06507690A (ja) 1994-09-01
NO179340B (no) 1996-06-10
PL55249Y1 (en) 1997-07-31
FI935088A0 (fi) 1993-11-17
NO934158D0 (no) 1993-11-17
NO934158L (no) 1994-01-17
ATE135076T1 (de) 1996-03-15
WO1992020887A1 (de) 1992-11-26
AU653234B2 (en) 1994-09-22
HUT69476A (en) 1995-09-28
UA29405C2 (uk) 2000-11-15
JP3502918B2 (ja) 2004-03-02
CN1052288C (zh) 2000-05-10
US5492303A (en) 1996-02-20
GR3019938T3 (en) 1996-08-31

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