EP0427025B1 - Schalung zur Herstellung von Beton-Fertigteilen - Google Patents

Schalung zur Herstellung von Beton-Fertigteilen Download PDF

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Publication number
EP0427025B1
EP0427025B1 EP90120048A EP90120048A EP0427025B1 EP 0427025 B1 EP0427025 B1 EP 0427025B1 EP 90120048 A EP90120048 A EP 90120048A EP 90120048 A EP90120048 A EP 90120048A EP 0427025 B1 EP0427025 B1 EP 0427025B1
Authority
EP
European Patent Office
Prior art keywords
formwork
shuttering
base part
lateral
substructure
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
EP90120048A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0427025A2 (de
EP0427025A3 (en
Inventor
Hansjörg Holzapfel
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.)
HOWAL GmbH
Original Assignee
HOWAL 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 HOWAL GmbH filed Critical HOWAL GmbH
Priority to AT90120048T priority Critical patent/ATE103233T1/de
Publication of EP0427025A2 publication Critical patent/EP0427025A2/de
Publication of EP0427025A3 publication Critical patent/EP0427025A3/de
Application granted granted Critical
Publication of EP0427025B1 publication Critical patent/EP0427025B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
    • B28B7/04—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article one or more of the parts being pivotally mounted

Definitions

  • the invention relates to a formwork for the production of prefabricated concrete parts, in particular rod and trough elements, with a vibratably mounted substructure and at least two side formworks attached to it, delimiting the concrete space, one of which is fastened to the substructure and the other for shuttering and stripping the former can be moved away and consist of spaced-apart side supports and variable formwork panels attached to them, the side supports consisting of at least one side formwork consisting of a base part connected to the substructure and an upwardly extending head part which is pivotally attached to the base part and in the vertical basic position and at least one further position facing outwards from the concrete area can be locked.
  • Formwork for the production of precast concrete elements are known as single or twin formwork and are usually used exclusively for production rod-shaped prefabricated parts, such as supports, columns, purlins, beams, beams, posts and the like.
  • twin version of such formwork the two inner side formworks are rigidly connected to the substructure, while the side formworks arranged on both sides of the middle formwork can be moved to the sides in order to be able to demold the prefabricated part or carry out conversion or cleaning work etc. on the formwork itself to be able to.
  • Mechanical or hydraulic actuating devices can be used for moving.
  • Such formwork allows variations in the cross section of the finished part and, to a limited extent, also with regard to the shape of the finished part.
  • brackets protruding laterally between the side supports can be formed by means of variable formwork panels or recesses protruding into the cross section by means of corresponding cores.
  • DE-A-29 03 755 also mentions that individual pipe pieces are aligned with one another by inserted fitting pieces connect, so that it is possible to adjust individual sections of the formwork relative to each other. Although there are greater possible variations compared to formwork with a constant formwork cross-section, it is not possible with this formwork to produce rod-shaped concrete parts of any structure. In this way, the uses of the formwork shown in DE-A-29 03 755 are severely limited.
  • US Pat. No. 4,846,437 describes a concrete formwork in which the lateral supports along the formwork walls can be individually adjusted in the longitudinal direction and are therefore variable in relation to one another. As a result, the formwork wall can be supported at variable points, but a variation in the formwork cross-section cannot be achieved with it.
  • the invention has for its object to form a formwork of the above-mentioned structure so that either rod elements can be made essentially any structure.
  • a multi-purpose formwork is created by the inventive design, which in the basic position of the Side supports can be used to manufacture bar elements. By swiveling the head part outwards, any angular position relative to the corresponding base part can be set for each individual side support. If necessary, a grid can be specified for this.
  • a support structure is created for the support of formwork panels, so that trough elements, angle elements, coffered ceilings, balcony terrace, panels, flat roof eaves, parapets, partition elements, roof trusses, bridge girders, multi-strip planks, etc. can be manufactured by simply converting them .
  • the side supports of the side formwork are arranged to be variable in distance, there is the possibility of varying the distance between the side supports.
  • the support spacing can be set to the necessary level at high concrete pressures, in particular when the head part is pivoted away.
  • the concreting room can be used for side overhangs, e.g. for supports with brackets, for prefabricated cassettes or the like vary as desired, so that prefabricated parts of almost any geometry can be produced.
  • each side formwork preferably consist of a base part and one upwards extending head section, so that an upper support for formwork panels can be formed on both sides of the concreting room - even with a twin version.
  • Both concreting rooms can be used in a twin formwork for the production of only one precast element, but two identical or two different precast elements can also be produced in both concreting rooms at the same time.
  • An advantageous embodiment is characterized in that the bolt is a clamping bolt, by means of which the head part can be fixed in the desired angular position.
  • the head parts can be manually adjusted in a simple manner and locked in the desired position.
  • the variability of the distance between the side supports can be achieved in a simple manner in that the base supports are guided and locked against one another with their base part. It is usually sufficient if the side supports of only one side formwork are designed to be displaceable, so that, particularly in the case of a twin version, the middle side formworks can be fixed in place on the substructure.
  • the design is preferably such that the side supports of the removable side formwork are arranged next to one another on a sliding platform guided on the substructure and are displaceable on the sliding platform transversely to their moving back to change the distance.
  • all the side supports of the one side formwork can be adjusted to the desired width of the concrete area compared to the stationary side formwork and can be moved away for demoulding by means of these drives. Furthermore, the side supports on the transfer platform can be moved transversely to change their distance from one another.
  • FIG. 1 shows a twin formwork that has a substructure 1 consisting of longitudinal beams 2 and cross beams 3. Imbalance exciters 4 for compacting the concrete are attached to the substructure 1.
  • a central formwork wall 5 is attached in a substantially fixed manner, which consists of a plurality of vertical supports 6, one of which is attached to each cross member.
  • side formworks 7 are arranged, which in turn have a plurality of side supports 8 arranged next to one another.
  • Each side formwork 7 forms a concreting space 9 with the middle formwork wall 5.
  • the side supports 8 of each side formwork sit on a sliding platform 10, which is slidably guided on the cross members 3.
  • the cross members are formed by two I-profiles 11 (see FIG. 4), the upper flange of which is overlapped by a sliding piece 12, which in turn is part of a side support 8.
  • the width of the concreting space 9 can be varied by moving the sliding platform 10, as indicated by the arrow 13 in FIG. 3.
  • the side supports 8 are with the transfer platform 10, for example via bolts 14, releasably connected ( Figure 3, 4) so that they can be moved in the longitudinal direction of the transfer table 10.
  • the distance between the side supports 8 can thus vary from one another.
  • This adjustment of the side supports 8 is done manually, while the adjustment of the sliding platforms 10 is preferably done hydraulically.
  • Formwork panels 15 are fastened to the inside of the side supports facing the concreting area, which are optionally additionally supported on the cross members 3 of the substructure 1.
  • the formwork panels 15 can additionally have cores 16 or cutouts 17 in order to mold correspondingly shaped brackets, supports, depressions, penetrations or the like on the finished part. Due to the adjustability of the side supports, these recesses or cores can be provided at any point.
  • any bar elements such as supports, columns, purlins, beams, beams, posts or, as shown by way of example in FIG. 2, balcony cups 18 can be produced.
  • each side support 8 consists of a base part 19, which is seated on the sliding platform 10, and a head part 20, which is pivotably mounted on a joint 21 on the base part 19.
  • the head part 20 can be pivoted from a vertical basic position into an inclined or horizontal position facing away from the concrete space 9.
  • an elongated hole 22 is provided in the head part 20 which is concentric with the joint 21 and into which a clamping bolt 23 engages with a lever handle 24.
  • a T-beam 25 By pivoting the head part 20, for example, into the 5, a T-beam 25 can be produced (FIGS. 5 and 6), the upper flange of which in the exemplary embodiment shown has an outwardly decreasing cross section or an inclined bottom view that deviates from the horizontal.
  • the height of the web and the width of the belt can be varied by appropriately stripping.
  • the middle formwork wall 5 (see FIG. 1) of the twin formwork has been dispensed with or removed.
  • FIG. 7 shows an embodiment in which the head part 20 of the side supports 8 of the one side formwork 7 is arranged at an angle and a formwork plate 26 with the same angle of inclination is arranged on the middle formwork wall.
  • a T-profile 27 can be produced with a belt 28 inclined relative to the web 29.
  • This can be, for example, a bridge girder with a slope.
  • FIGS. 8 and 9 again show a complete twin formwork which has been converted to produce a ⁇ plate 30, the two webs of which are manufactured in the concreting areas between the middle formwork walls and the side formwork 7, while the flat plate is manufactured on the tilted head parts .
  • the cross-section of the web, the spacing of the web and the dimensions of the panels can be varied as required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP90120048A 1989-11-08 1990-10-19 Schalung zur Herstellung von Beton-Fertigteilen Expired - Lifetime EP0427025B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90120048T ATE103233T1 (de) 1989-11-08 1990-10-19 Schalung zur herstellung von beton-fertigteilen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8913210U DE8913210U1 (de) 1989-11-08 1989-11-08 Schalung zur Herstellung von Beton-Fertigteilen
DE8913210U 1989-11-08

Publications (3)

Publication Number Publication Date
EP0427025A2 EP0427025A2 (de) 1991-05-15
EP0427025A3 EP0427025A3 (en) 1991-11-27
EP0427025B1 true EP0427025B1 (de) 1994-03-23

Family

ID=6844399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90120048A Expired - Lifetime EP0427025B1 (de) 1989-11-08 1990-10-19 Schalung zur Herstellung von Beton-Fertigteilen

Country Status (3)

Country Link
EP (1) EP0427025B1 (ja)
AT (1) ATE103233T1 (ja)
DE (2) DE8913210U1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2984463B2 (ja) * 1991-06-24 1999-11-29 株式会社日立製作所 マイクロコンピュータ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2903755A1 (de) * 1979-02-01 1980-08-14 Rampf Kg Formen Gmbh & Co Betonschalung, insbesondere fuer brueckentraeger
IT7967643A0 (it) * 1979-03-28 1979-03-28 Barale Giuseppe Sistema integrapido flessibile per armature verticali
DE3014708C2 (de) * 1980-04-17 1985-02-21 Holzapfel & Walka GmbH, 7505 Ettlingen Schalung zur Fertigung von Stabelementen aus Beton
US4846437A (en) * 1987-02-12 1989-07-11 Fitzgerald Leonard R Bracket for supporting concrete formwork

Also Published As

Publication number Publication date
ATE103233T1 (de) 1994-04-15
EP0427025A2 (de) 1991-05-15
EP0427025A3 (en) 1991-11-27
DE8913210U1 (de) 1989-12-14
DE59005093D1 (de) 1994-04-28

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