EP1544377B1 - Element de coffrage pour murs courbes - Google Patents

Element de coffrage pour murs courbes Download PDF

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Publication number
EP1544377B1
EP1544377B1 EP04027729A EP04027729A EP1544377B1 EP 1544377 B1 EP1544377 B1 EP 1544377B1 EP 04027729 A EP04027729 A EP 04027729A EP 04027729 A EP04027729 A EP 04027729A EP 1544377 B1 EP1544377 B1 EP 1544377B1
Authority
EP
European Patent Office
Prior art keywords
formwork
formwork element
shaping
rails
element according
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.)
Not-in-force
Application number
EP04027729A
Other languages
German (de)
English (en)
Other versions
EP1544377A1 (fr
Inventor
Hugo Mag.Dipl.Ing. Mathis
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.)
Rund Stahl Bau GmbH
Original Assignee
Rund Stahl Bau 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 Rund Stahl Bau GmbH filed Critical Rund Stahl Bau GmbH
Priority to AT04027729T priority Critical patent/ATE425324T1/de
Publication of EP1544377A1 publication Critical patent/EP1544377A1/fr
Application granted granted Critical
Publication of EP1544377B1 publication Critical patent/EP1544377B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 element of a circular formwork, which has a formwork skin, at the rear side vertically extending profile rails are mounted, with which horizontally extending curved shaping rails are detachably connected.
  • Shuttering elements of this type are known, for example from the EP 0 321 006 A2 , In order to form one side of the circular formwork (that is to say, for example, the outer formwork) from such formwork elements, a plurality of formwork elements of this type, which are arranged side by side and / or one above the other, are connected to one another.
  • the outer and inner formwork may be formed in an analogous manner.
  • the shaping rails also called anchor rails, specify the curved shape of the formwork element. These shaping rails usually further form the abutment and abutment for the anchor of Wegankerten formwork.
  • the object of the invention is to provide a formwork element of the type mentioned above, which can be used with a simple structure for different radii of curvature of the circular formwork, without this a cutting of the ends of the forming rails or replacement of these shaping rails is required. According to the invention, this is achieved by a formwork element having the features of patent claim 1.
  • a length-adjustable shaping rail is thus provided.
  • the shaping rail can be shortened in the case of an inner formwork with a greater curvature and extended at a lower curvature or extended in the case of an outer formwork with a greater curvature and shortened at a lower curvature, so that it ends at the edge of the formwork.
  • the strand elements are offset differently depending on the curvature.
  • the smallest radius of curvature for which the formwork element can be used is one in which the strand elements end without offset against each other at the side edges of the formwork skin.
  • this is the case for the largest radius of curvature for which the formwork element can be used.
  • connection of the shaping rails with the vertically extending rails is preferably carried out on the shoes.
  • These can for this purpose have a first adjacent to the rail and a second, the strand elements on their faces facing away from the facing skin clamping part, wherein the clamping parts are clamped by a clamping screw, which holes in the clamping parts and in a lying parallel to the formwork web penetrated by a respective rail.
  • the strand elements are plate-shaped, so in cross section have the shape of a flat rectangle.
  • Such flat elements can be easily rounded by means of rollers with the least twisting.
  • FIG. 1 two shuttering elements according to the invention an inner formwork of a circular formwork are shown in superimposed arrangement.
  • the formwork elements of the outer formwork of the circular formwork can be designed in an analogous manner.
  • a respective formwork element has a formwork skin 1, for example Wood (eg laminated wood) may exist and is preferably formed continuously over the entire width of the formwork element.
  • the formwork 1 may also be formed continuously or consist of several adjoining sections.
  • the formwork 1 can for example also be formed by a steel plate.
  • FIG. 1 At the side facing away from the shell surface 2 back of the formwork 1 more vertically extending rails 3, 4 are mounted, for example, screwed.
  • the open sides of the U-shaped cross sections of the two edge profile rails 3 are each facing away from the edge of the formwork element.
  • the rails 3 in this case have on the back of the formwork 1 adjacent and fixed to the formwork 1 webs 9, from the webs 9 edge outgoing and perpendicular to the formwork 1 standing webs 5 and at the remote from the formwork 1 ends of the webs 5 of these outgoing parallel to the formwork 1 extending webs 6.
  • the webs 5 that are perpendicular to the facing 1 are preferably flush with the front ends 7, 8 of the formwork 1.
  • a plurality of vertically extending rails 4 are attached to the back of the formwork 1 at a distance from each other.
  • These profile rails 4 are preferably formed in cross-section Z-shaped. With the voltage applied to the back of the formwork 1 web 1 10 they are attached to the formwork 1. From the edge of the web 10 is a vertically standing to the formwork facing web 11 and at the remote from the formwork 1 end of the web 11 is a parallel to the formwork 1 extending web 12 from.
  • the distances between adjacent profiled rails 3, 4 are static and may for example be in the range between 50 cm and 1.5 m.
  • the vertically extending rails 3, 4 horizontally extending shaping rails 13 are detachably connected.
  • the shaping rails 13 are curved in the horizontal direction, whereby the curvature of the formwork element is set in the horizontal direction.
  • the curvature of the formwork element can be changed.
  • the shaping rails 13 in the preferred embodiment shown each have four strand elements 14, which are held together by means of shoes 15.
  • the strand elements 14 are preferably formed plate-shaped, so have seen in cross section the shape of a flat rectangle. These strand elements 14 each extend over a large part of the longitudinal extent of the shaping rail, but are shorter at least for all curvatures of the shaping rail 13 except for the strongest (in the case of an inner formwork) or the lowest (in the case of an outer formwork) curvature provided for this formwork element
  • the strand elements 14 are offset in the longitudinal direction of the shaping rail 13 against each other, in fact extend in the arrangement shown, the two inner strand elements 14 to in Fig.
  • the strand elements 14 preferably all have the same length, but may also have different lengths.
  • the shoes 15 serve as mentioned for holding together the strand elements 14 and further preventing their tilting or twisting about a horizontal, in the longitudinal direction of the forming rail 13 extending (curved) axis. Furthermore, the connection of the shaping rail 13 with the vertically extending profile rails 3, 4 via the shoes 15 preferably takes place.
  • a respective shoe 15 is formed by two U-shaped clamping parts 18, 19, which are clamped together by means of a clamping bolt 20.
  • the clamping parts 18, 19 each have a base leg 21 and two side legs 22.
  • In the side legs 22 each have two outgoing from their free longitudinal edge 23 slots 24 excepted, with the slots 24 seen in the two side legs 22 in side view ( Fig. 6 ) cover.
  • In the slots 24 in each case two adjacent strand elements 14 are introduced with their side edges.
  • a bore 25 is placed in a lying between the two slots 24 height for the passage of the clamping bolt 20.
  • the bore 25 is in this case one side leg 22 closer than the other side leg 22nd
  • One of the two clamping parts 18, 19 is located on the web 6 of the rail 3 or on the web 12 of the rail 4. In the web 6 and 12 in this case a hole 25 covering the bore is attached. In the slots 24 of this clamping part 18, the one side edges of the strand elements 14 are inserted. On the opposite side edges of the strand elements 14, the second clamping part 19 is attached. In the embodiment shown, the second clamping member 19 is the same as the clamping member 18 is formed, but used by 180 ° about a horizontal axis and rotated by 180 ° about a vertical axis relative to the clamping member 18. By means of the web 6 and 12 and the clamping parts 18, 19 passing through the clamping bolt 20, the clamping parts 18, 19 braced against each other and attached to the rail 3 and 4 respectively.
  • the clamping bolts 20 are formed in the illustrated embodiment of screws in conjunction with nuts.
  • a shoe 15 for holding together and aligning the strand elements 14 and for fixing the shaping rail 13 to the rails 3, 4 is provided at each crossing point between the forming rail 13 and the rails 3, 4.
  • 17 strand elements 14 protrude only more or less and can (with smaller curvatures of the formwork element in the case of inner formwork or larger bends in the case of an external formwork) also before the edge Shoe 15 ends.
  • a peripheral shoe with in one or both Side legs of the clamping parts 18, 19 provided slots 24 to provide the width of which corresponds only to the thickness of a single strand element 14.
  • a longitudinal opening 26 of the shaping rail 13 is located between the upper adjoining string elements 14 and the lower adjoining string elements 14.
  • an anchor rod 27 of an armature can extend, as shown in FIGS 3 and 4 is shown.
  • a tie plate 28 spanning the strand elements 14 is supported.
  • the anchor rod 27 passes through the anchor plate 28 through a bore in the same and has in the region of its end a thread on which a nut 29 is screwed.
  • the curvature of the formwork (not shown in the figures) to be arranged on the other side of the wall is the inverse of that in Figs Fig. 1 Shuttering elements shown (convex instead of concave).
  • a convexly curved formwork element can be designed in the manner according to the invention, in which case the offset between the strand elements increases with increasing curvature.
  • connection of a plurality of formwork elements to be stacked one above the other can be done in a conventional manner, for example by means arranged at the bottom of the formwork element pipe sections 30 which are placed on the upper end of the lower formwork element pipe pieces and bolted thereto by means of bolts.
  • conical recesses 31 and corresponding frustoconical extensions may be provided for engagement in the conical recesses 31.
  • connection units To achieve a continuous rigidity of the forming rails 13 between laterally adjacent formwork elements, the shaping Rails 13 of the adjacent formwork elements are connected to each other via connection units.
  • a connection unit is in Fig. 10 shown schematically.
  • the upper claw 33 lies with feet 34 on the tops of the forming rails 13 of the adjacent formwork elements and the lower claw 33 on the undersides.
  • transverse webs 36 In the two edge regions of the bridge webs 35 of the claws 33 transverse webs 36 are welded to this, which they project beyond on both sides.
  • the transverse webs 36 In the areas lying in front of and behind the bridge webs 35, the transverse webs 36 have bores which are penetrated by clamping bolts 37, which clamp the two claws 33 together. Left and right are two in each case Fig. 10 one behind the other clamping bolt 37 available.
  • Other embodiments of connection units for the shaping rails 13 would also be conceivable and possible.
  • the clamping bolt 20 are released, after which the strand elements 14 can be removed.
  • the strand elements 14 are plastically deformed by means of a revolving device (by means of suitable rollers) to the desired curvature.
  • the shaping rails 13 are reassembled, whereby the strand elements 14 are offset accordingly, and the clamping bolts 20 tightened.
  • the respective strand elements 14 running up to these front ends 16, 17 should extend through the peripheral shoes 15.
  • the shaping rail 13 can thereby be connected to the edge profile rails 3.
  • the 8 and 9 show a modified embodiment of a clamping part 18 of a shoe.
  • the clamping member 18 has a base leg 38 and at both ends of the same attached edge leg 39.
  • side legs 40 are arranged at the two side edges, which in the side view according to Fig. 8 cover.
  • the slots 24 for introducing the strand elements 14 are formed here between the edge legs 39 and the side legs 40.
  • FIGS. 11 and 12 Another modified embodiment of a clamping part 18 of a shoe is in the FIGS. 11 and 12 shown.
  • the clamping part is designed to increase its rigidity H-shaped, with side legs 22 and a connecting leg 41, which has the bore 25.
  • Of the longitudinal edges 23 of the side legs 22 on one side of the clamping part turn slots 24 for receiving the strand elements 14 from.
  • the formwork skin is preferably provided with an edge protection 42 ( Fig. 4 ).
  • This can be formed, for example, by a welded to the rail 3 metal web, which covers the preferably made of wood formwork 1 frontally, between this web and the formwork 1, a silicone joint may be formed.
  • strand elements 14 could be present.
  • the shaping rail 13 it would also be conceivable and possible for the shaping rail 13 to be formed by two strand elements 14 which are U-shaped in cross-section and which are correspondingly offset in the longitudinal direction of the shaping rail 13. In order to allow a gap for the passage of anchor rods 27, this could also be provided to create the two U-shaped strand elements with the free ends of their side legs together, the free ends of the side legs are partially provided with indentations to form the longitudinal opening.
  • peripheral profile rails 3 instead of the U-shaped design shown in the same way as the profile rails 4, ie as Z-profiles.
  • the spaced from the formwork skin 1 parallel to the formwork skin 1 extending web could then be, for example, each pioneered from the side edge of the formwork element.
  • the standing vertically to the formwork 1 web would be distanced in the case of Z-shaped design of the rails 4 from the front end 7, 8 of the formwork element.
  • the shaping rails 13 can extend over this web out to the respective front end 16, 17 and preferably in turn flush with this.
  • To connect two laterally adjoining formwork elements could in turn be provided at a height between the forming rails 13 and connected to the rails 3 and / or 4 connecting rails.
  • at a height between the forming rails 13 and the connecting rails plate-shaped elements could be screwed to the spaced from the formwork 1 and extending parallel to this webs of the adjacent rails 4 to accommodate acting in the vertical direction shear forces can.

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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)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (15)

  1. Elément de coffrage d'un coffrage rond, qui présente une surface de coffrage (1) sur la face arrière de laquelle sont montés des rails profilés (3, 4) s'étendant verticalement, avec lesquels des rails de mise en forme (13) courbes s'étendant horizontalement sont reliés de façon amovible, caractérisé en ce que les rails de mise en forme (13) sont formés respectivement par au moins deux, de préférence au moins quatre éléments extrudés (14) qui s'étendent respectivement sur une majeure partie de l'étendue longitudinale du rail de mise en forme (13) et qui sont maintenus ensemble par des coussinets (15), dans lequel grâce à un décalage (v) dépendant de la courbure entre les éléments extrudés (14) dans la direction longitudinale du rail de mise en forme (13), au moins un, de préférence au moins deux, des éléments extrudés (14) s'étend(ent) jusqu'à une extrémité frontale (16) du rail de mise en forme (13), et au moins un autre, de préférence au moins deux autres des éléments extrudés (14) s'étend(ent) jusqu'à l'autre extrémité frontale (17) du rail de mise en forme (13).
  2. Elément de coffrage selon la revendication 1, caractérisé en ce que le raccordement des rails de mise en forme (13) avec les rails profilés (3, 4) s'étendant verticalement s'effectue par les coussinets (15), de préférence au moyen d'entretoises (6, 12) des rails profilés (3, 4) s'étendant verticalement et de boulons de tension (20) traversant les coussinets (15) et qui sont de préférence réalisés comme des assemblages vissés.
  3. Elément de coffrage selon la revendication 1 ou 2, caractérisé en ce qu'une ouverture longitudinale (26) du rail de mise en forme (13) est délimitée vers le haut et vers le bas par respectivement au moins deux éléments extrudés (14) adjacents, dont respectivement au moins un élément s'étend jusqu'à l'extrémité frontale respective (16, 17) du rail de mise en forme (13).
  4. Elément de coffrage selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les éléments extrudés (14) sont réalisés en forme de tablette.
  5. Elément de coffrage selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les éléments extrudés (14) sont de longueur identique.
  6. Elément de coffrage selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les coussinets (15) comprennent respectivement deux pièces de serrage (18, 19), dans lequel les deux pièces de serrage (18, 19) peuvent être haubanées l'une contre l'autre avec les éléments extrudés (14) situés entre celles-ci au moyen d'un boulon de tension (20).
  7. Elément de coffrage selon la revendication 6, caractérisé en ce que les pièces de serrage (18, 19) présentent des fentes (24) pour recevoir des segments des éléments extrudés (14) adjacents aux bords latéraux des éléments extrudés (14).
  8. Elément de coffrage selon la revendication 6 ou 7, caractérisé en ce que les pièces de serrage (18, 19) présentent des branches de base (21, 38) disposées en parallèle à la surface de coffrage (1), dans lesquelles un alésage (25) pour le passage d'un boulon de tension (20) est disposé, dans lequel l'alésage (25) est décalé latéralement de préférence dans la direction longitudinale du rail de mise en forme (13) par rapport au centre de la branche de base (21, 38).
  9. Elément de coffrage selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'il existe des unités de raccordement (33, 34, 35, 36, 37) pour raccorder les rails de mise en forme (13) de deux éléments de coffrage latéralement adjacents l'un à l'autre.
  10. Elément de coffrage selon la revendication 9, caractérisé en ce que l'unité de raccordement (33, 34, 35, 36, 37) présente des griffes (33) tendues depuis le haut et depuis le bas contre les rails de mise en forme au moyen de boulons de tension (37).
  11. Elément de coffrage selon l'une quelconque des revendications 1 à 10, caractérisé en ce que l'élément de coffrage présente sur les deux bords latéraux un rail profilé (3) s'étendant verticalement, qui possède une entretoise (5) se terminant à surface plane avec le bord latéral de la surface de coffrage n (1), dans lequel il existe entre les rails profilés (3) s'étendant verticalement côté bord de préférence plusieurs rails profilés (4) s'étendant verticalement.
  12. Elément de coffrage selon l'une quelconque des revendications 1 à 11, caractérisé en ce que pour chaque élément de coffrage, au moins deux rails de mise en forme (13) s'étendant horizontalement à distance les uns des autres dans la direction verticale.
  13. Elément de coffrage selon l'une quelconque des revendications 1 à 12, caractérisé en ce que dans le cas d'un coffrage intérieur, sur toutes les courbures excepté la plus forte courbure prévue pour cet élément de coffrage, ou dans le cas d'un coffrage extérieur, sur toutes les courbures excepté la plus faible courbure prévue pour cet élément de coffrage, au moins un, de préférence au moins deux des éléments extrudés (14) est/sont espacé(s) de l'extrémité frontale (16, 17) du rail de mise en forme (13).
  14. Elément de coffrage selon l'une quelconque des revendications 1 à 13, caractérisé en ce que pour le raccordement d'éléments de coffrage latéralement adjacents, il existe des rails de raccordement disposés en hauteur entre les rails de mise en forme (13), s'étendant de préférence horizontalement, et qui s'étendent au moins sur des zones côté bord des éléments de coffrage adjacents les uns aux autres et sont raccordés avec au moins un rail profilé (3, 4) d'un élément de coffrage respectif.
  15. Elément de coffrage selon la revendication 14, caractérisé en ce que les rails de raccordement sont formés de façon analogue aux rails de mise en forme (13) par au moins deux, de préférence par au moins 4 éléments extrudés (14) s'étendant respectivement sur une majeure partie de l'étendue longitudinale du rail de raccordement et sont montés au moyen de coussinets (15) sur les rails profilés (3, 4) des éléments de coffrage.
EP04027729A 2003-12-16 2004-11-23 Element de coffrage pour murs courbes Not-in-force EP1544377B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT04027729T ATE425324T1 (de) 2003-12-16 2004-11-23 Schalungselement einer rundschalung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0202003A AT412795B (de) 2003-12-16 2003-12-16 Schalungselement einer rundschalung
AT20202003 2003-12-16

Publications (2)

Publication Number Publication Date
EP1544377A1 EP1544377A1 (fr) 2005-06-22
EP1544377B1 true EP1544377B1 (fr) 2009-03-11

Family

ID=33494537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04027729A Not-in-force EP1544377B1 (fr) 2003-12-16 2004-11-23 Element de coffrage pour murs courbes

Country Status (5)

Country Link
US (1) US7494106B2 (fr)
EP (1) EP1544377B1 (fr)
JP (1) JP2005180172A (fr)
AT (2) AT412795B (fr)
DE (1) DE502004009125D1 (fr)

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CN110080245B (zh) * 2019-05-15 2021-04-02 广州穗岩土木科技股份有限公司 一种地铁车站出入口围护桩的施工方法
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CN111809859A (zh) * 2020-08-21 2020-10-23 徐骏峰 一种快捷组装加强型绿色建筑模板
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Also Published As

Publication number Publication date
JP2005180172A (ja) 2005-07-07
ATA20202003A (de) 2004-12-15
EP1544377A1 (fr) 2005-06-22
US20050127268A1 (en) 2005-06-16
US7494106B2 (en) 2009-02-24
AT412795B (de) 2005-07-25
ATE425324T1 (de) 2009-03-15
DE502004009125D1 (de) 2009-04-23

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