EP3724420A1 - Eckschalungselement zur ein- und ausschalung von innenecken - Google Patents
Eckschalungselement zur ein- und ausschalung von inneneckenInfo
- Publication number
- EP3724420A1 EP3724420A1 EP18833181.3A EP18833181A EP3724420A1 EP 3724420 A1 EP3724420 A1 EP 3724420A1 EP 18833181 A EP18833181 A EP 18833181A EP 3724420 A1 EP3724420 A1 EP 3724420A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- formwork
- elements
- pull
- corner
- leg
- 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.)
- Pending
Links
- 238000009416 shuttering Methods 0.000 title claims abstract description 7
- 238000009415 formwork Methods 0.000 claims description 73
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
- E04G11/082—Retractable forms for the inside face of at least three walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/001—Corner fastening or connecting means for forming or stiffening elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
- E04G17/042—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by threaded elements
Definitions
- the invention relates to a corner formwork element for the insertion and removal of inner corners, in particular of shafts.
- Such Eckschalungs comprise with two angularly arranged legs, which are each connectable to a further formwork element, and on the legs of each on the outer edge retractable and extendable edge strips are arranged, the edge strips together with the other formwork elements by means of several, on a common rail drawbar arranged and extendable and wherein the edge strips in each case by means of several, over the height of the Eckschalungselements distributed arranged Riegelele- elements in their position with respect to the outer side of the leg can be aligned and fixed, are already known from the prior art , They are used in particular for shaft formwork for elevator shafts or the like.
- a complete inner formwork body can be produced in which, after concreting the shaft or manhole section by pulling on the tie rods of the corner formwork elements, all formwork elements are released from the concreted wall of the manhole and as a complete shutter - Lung body can be pulled upwards out of the shaft.
- a shaft scarf device is described, for example, in DE 10 2009 055 690 A1. Due to the movable edge strips, the widths of the legs of the corner formwork element can be shortened for stripping. Together with the skirting boards, the subsequent formwork elements are also retracted into the corner formwork element.
- the entire draws Inner formwork body of the shaft formwork to a smaller total volume together and can be pulled out by means of a crane hanger from the concrete shaft.
- the outer edge sections of the legs of the corner shuttering element generally consist of relatively thin metal profiles which are fastened to a rib base body reinforced by ribs. There is therefore a risk that these edge portions are pressed during the filling of the concrete by the pressure generated by the concrete inward, which makes noticeable in the finished concrete shaft through a heel in the concrete surface. To avoid this problem, therefore, locking elements are used, which press the edge strip against the edge portion of the leg and set in this position. The edge portion of the leg is thus reinforced by the skirt to withstand a higher concrete pressure can.
- the locking elements used hitherto have a displaceable rod-shaped angled locking body, the rod-shaped section of the locking body being set against the edge strip from the inside and being fixed in a guide of the locking element by means of a threaded spindle in the direction of the outer side of the leg.
- the guidance of the locking bodies is fastened to reinforcing ribs present on the leg base body.
- the previous locking body are therefore structurally relatively complex and not very easy to install, since the locking body must be precisely attached to the edge strip.
- a further decisive disadvantage is that the locking elements can be arranged only in the region of reinforcing ribs on the legs of the corner formwork element.
- the present invention has for its object to provide a corner formwork element such that a better alignment of the edge strips of the legs of the Eckschalungselements is achieved than in known Eckschalungs instituten.
- the corner formwork element according to the invention for forming and removing inner corners, in particular of shafts, has two legs which are arranged at an angle to one another and which can each be connected to a further formwork element.
- edge strips which can be moved in and out at the outer edge are arranged, the edge strips being retractable and extendable together with the further formwork elements by means of a plurality of joint levers arranged on a common drawbar, and wherein the edge strips are respectively extended by means of several the height of the Eckschalungselements distributed arranged locking elements in position with respect to the outer side of the leg can be aligned and fixed.
- the corner formwork element according to the invention is characterized in that the Rieg gelieri are arranged on guides for pull-out webs of the skirting.
- the locking elements are no longer attached to ribs, but to guides for pull-out webs of the edge strips.
- the articulated levers for moving in and out the edge strips also engage with these pull-out webs. Since such extension webs are arranged in any case at the upper and lower end of the edge strips, now the locking elements can also be attached very close to the lower end of the edge strips and thus where the highest concrete pressure is exerted on the edge portion of the legs of Eckschalungs- elements provide stiffening and stabilization of the marginal section.
- the outer edge of the legs is each formed by an angle profile
- the first profile Donate! is attached to a base body of the leg and the second profile leg together with the outside of the base body forms a formwork skin of the leg.
- the edge strip can be adjusted with the locking elements from the inside against the formwork leg of the angle profile forming the formwork skin.
- the free profile leg of the angle profile at its outermost edge undergoes support by the edge strip.
- the locking elements each have an adjustable clamping jaw, which engages the pull-out web of the edge strip.
- the clamping jaw presses directly on the pull-out bar and thereby presses the skirting bar against the formwork skin of the corner formwork element.
- the jaw can be manually adjustable to do so. This allows a precise alignment of the edge strip over its entire length by means of various locking elements. In this case, it is also possible to press the clamping jaw more strongly against the pull-out web of the edge strip in the lower region of the corner formwork element in order to compensate for the higher concrete pressure to be expected there compared with the concrete pressure in the upper region of the corner formwork element.
- the locking elements are each substantially U-shaped and the clamping jaw mounted in the U-base and linearly displaceable between the U-legs.
- the locking elements are therefore easy to manufacture, stable components, which are also easy to assemble.
- the locking elements can each case by means of a Screw or a bolt to be attached to the guide of the pull-out strip, where in the screw or the bolt with lateral play is guided through a slot in the pull-out web. Through the slot the pull-out webs and thus the edge bar can be extended and retracted without obstruction by the locking elements.
- the lateral play between the screw or bolt and the elongated hole makes it possible to displace the pull-out web and thus the edge strip in the direction of the outside of the leg by means of the clamping jaw in order to be able to optimally align the edge strip.
- a locking element is arranged in each case at least on the lowermost guide for a pull-out web of the edge strip.
- the latch elements can preferably be arranged uniformly distributed over the height of the corner formwork element.
- Typical heights for the corner formwork element are 1.20 m, 2.70 m, 3.00 m, 3.30 m or 3.60 m. While four locking elements per leg are sufficient for the shorter corner formwork elements, six locking elements per leg should be provided for heights from 3.30 m upwards.
- FIG. 1 shows a perspective inside view of a corner scarf ungselements invention
- Fig. 2 is an enlarged detail of the Eckschalungselements
- FIG. 3 shows an individual view of a locking element of the corner formwork element from FIG. 1.
- a corner formwork element 10 is shown according to the invention for an otherwise not shown inner formwork for a shaft.
- the corner formwork element 10 has two legs 12, 14 arranged at right angles to one another, the outer sides 12. 1, F of which form a formwork skin of the corner formwork element 10.
- the legs 12, 14 each have outer edge portions 12.2, 14.2, which are each formed by a metal profile and are secured to a leg base body.
- respective edge strips 16, 18 can be moved in and out in the directions of the arrows 20, 22.
- articulated levers 24, 26 are provided, which are actuated by pulling on a pull rod 28.
- edge strips 16, 18 have pull-out webs 30, which are guided in guides 32 on the inside of the legs 12, 14. At some of these guides 32 locking elements 34 are attached, which serve the alignment of the edge strips 16, 18 in the direction of the formwork skin 12.1, 14.1, as Fig. 2 in particular illustrates.
- FIG. 2 is an enlarged view of the detail II of FIG. 1. It can be seen the attachment of the locking element 34 on the guide 32 of the pull-out web 30 by means of a screw 36.
- the screw 36 is passed through a slot (not shown) in the extension web 30 with a lateral clearance, so that the movement of the edge strip 18 in the direction of arrow 22 is not hindered by the locking element 34.
- the extension webs 30 can therefore be moved freely along the guides 32, these movements of the edge strips 16, 18 being triggered by the articulated levers 26.
- the locking element 34 essentially has a U-shape, wherein in a U-base 38 a clamping jaw 40 is displaceably mounted between U-legs 42, 44.
- a threaded spindle 46 is provided on which a setting wheel 48 is arranged for ma nual adjustment of the clamping jaw 40.
- the clamping jaw 40 presses laterally on the pull-out web 30 and thereby moves it and the edge strip 18 attached thereto (not shown in FIG. 2) in the direction of the facing skin 14.1. Since the skirt 18 from the inside against the Edge portion 14.2 of the leg 14 is applied, can be aligned using the locking elements 34 of this edge portion 14.2 and stabilized so that it can withstand the concreting concrete pressure in the same way as the base body of the legs 12, 14. In particular, the locking elements 34 in the lower region of the Eckschalungselements 10 are of particular importance, since here the concrete pressure acting on the legs 12, 14, is greatest.
- the edge strips 16 and 18 are extended, that is, the corner formwork element 10 and further formwork elements adjoining the edge strips 16, 18, which are not shown here, together form an inner formwork, for example for a manhole or building corner.
- corner forming elements 10 can be connected to each other via at least one further planar formwork element to form a complete inner shaft formwork.
- For stripping can be pulled by pulling on the tie rod 28 via the hinge lever 24, 26, the edge strips 16, 18 and the adjoining formwork elements inside. If this is done on all four corner formwork elements 10 of the internal shaft formwork, then all formwork elements can be detached from the concreted wall and the inside shaft formwork can be reduced in volume as a uniform formwork body so that the entire formwork body can be pulled upwards out of the shaft.
- the corner formwork elements 10 can be manufactured at different heights. Usual heights are 1.20 m, 2.70 m, 3.00 m, 3.20 m and 3.60 m.
- the design according to the invention ensures that even with high corner formwork elements 10, a smooth concrete surface is created on the inside of the shaft.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017222868.7A DE102017222868A1 (de) | 2017-12-15 | 2017-12-15 | Eckschalungselement zur Ein- und Ausschalung von Innenecken |
PCT/EP2018/085100 WO2019115823A1 (de) | 2017-12-15 | 2018-12-17 | Eckschalungselement zur ein- und ausschalung von innenecken |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3724420A1 true EP3724420A1 (de) | 2020-10-21 |
Family
ID=65011949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18833181.3A Pending EP3724420A1 (de) | 2017-12-15 | 2018-12-17 | Eckschalungselement zur ein- und ausschalung von innenecken |
Country Status (5)
Country | Link |
---|---|
US (1) | US11536041B2 (de) |
EP (1) | EP3724420A1 (de) |
AU (1) | AU2018382608B2 (de) |
DE (1) | DE102017222868A1 (de) |
WO (1) | WO2019115823A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11008765B2 (en) * | 2018-06-15 | 2021-05-18 | Wilian Holding Co. | Self-stripping corner form |
CN110700584B (zh) * | 2019-10-25 | 2021-11-23 | 曹海峰 | 一种建筑用腋板与腋板连接体系 |
DE102022104469A1 (de) | 2022-02-24 | 2023-08-24 | Peri Se | Ausschalvorrichtung für ein schalungselement |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2206493A (en) * | 1937-01-11 | 1940-07-02 | J L Whatling Ltd | Shuttering for molding walls in situ |
DE870179C (de) * | 1951-11-01 | 1953-03-12 | Rapid Metal Developments Ltd | Metallschalung zur Herstellung von Bauten aus Beton od. dgl. und Verfahren zum Aufrichten derselben |
US3244395A (en) * | 1963-06-06 | 1966-04-05 | Rocform Corp | Inside corner form and clamp |
FR1556651A (de) * | 1968-03-05 | 1969-02-07 | ||
DE2200152C3 (de) * | 1972-01-04 | 1983-03-17 | Peri-Werk Artur Schwörer GmbH & Co KG, 7912 Weißenhorn | Vorrichtung zum Schalen von Betonwänden |
FR2336531A1 (fr) * | 1975-12-23 | 1977-07-22 | Abate Robert | Noyau retractable pour coffrage de gaines diverses en beton |
JPS5929743B2 (ja) * | 1980-04-07 | 1984-07-23 | 日永スチ−ル株式会社 | 基礎コンクリ−ト型枠の枠組方法 |
US4447035A (en) * | 1982-09-30 | 1984-05-08 | Strickland Systems, Inc. | Joining concrete form panels to cast an inside corner wall structure |
AU2199683A (en) * | 1982-12-06 | 1984-06-14 | Rapid Metal Developments Ltd. | Force restraint system for formwork |
US5088578A (en) * | 1989-06-12 | 1992-02-18 | Gates & Sons, Inc. | Movable support mechanism for construction of elevator shafts and the like |
US6105924A (en) * | 1998-01-30 | 2000-08-22 | Carr; Dennis E. | Wedge apparatus and mold |
DE102009055690A1 (de) | 2009-11-25 | 2011-05-26 | Peri Gmbh | Ausschalvorrichtung |
DE102013204999A1 (de) * | 2012-09-28 | 2014-04-03 | Harsco Infrastructure Services Gmbh | Schaltafel mit Kunststoffschalhaut |
US11008765B2 (en) * | 2018-06-15 | 2021-05-18 | Wilian Holding Co. | Self-stripping corner form |
-
2017
- 2017-12-15 DE DE102017222868.7A patent/DE102017222868A1/de active Pending
-
2018
- 2018-12-17 WO PCT/EP2018/085100 patent/WO2019115823A1/de active Application Filing
- 2018-12-17 AU AU2018382608A patent/AU2018382608B2/en active Active
- 2018-12-17 EP EP18833181.3A patent/EP3724420A1/de active Pending
- 2018-12-17 US US16/954,151 patent/US11536041B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
AU2018382608B2 (en) | 2023-12-14 |
US20210164245A1 (en) | 2021-06-03 |
AU2018382608A1 (en) | 2020-06-25 |
US11536041B2 (en) | 2022-12-27 |
DE102017222868A1 (de) | 2019-06-19 |
WO2019115823A1 (de) | 2019-06-20 |
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