EP2025833A1 - Fixation pour boucles de câbles - Google Patents

Fixation pour boucles de câbles Download PDF

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Publication number
EP2025833A1
EP2025833A1 EP08161212A EP08161212A EP2025833A1 EP 2025833 A1 EP2025833 A1 EP 2025833A1 EP 08161212 A EP08161212 A EP 08161212A EP 08161212 A EP08161212 A EP 08161212A EP 2025833 A1 EP2025833 A1 EP 2025833A1
Authority
EP
European Patent Office
Prior art keywords
cable
eye
holder according
precast concrete
holder
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.)
Granted
Application number
EP08161212A
Other languages
German (de)
English (en)
Other versions
EP2025833B1 (fr
Inventor
Martin Philipp
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.)
Philipp GmbH
Original Assignee
Philipp 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 Philipp GmbH filed Critical Philipp GmbH
Publication of EP2025833A1 publication Critical patent/EP2025833A1/fr
Application granted granted Critical
Publication of EP2025833B1 publication Critical patent/EP2025833B1/fr
Active 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
    • E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/04—Cores for anchor holes or the like around anchors embedded in the concrete
    • 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
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/0056—Means for inserting the elements into the mould or supporting them in the mould
    • 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
    • B28B7/002—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps using magnets
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/125—Reinforcement continuity box
    • E04G21/126—Reinforcement continuity box for cable loops
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/142—Means in or on the elements for connecting same to handling apparatus

Definitions

  • the present invention relates to a holder for cable loops for insertion into formwork for precast concrete parts, wherein the cable loops each consist of typically a substantially straight rope loop end which is cast with the concrete and a cable eye, which is angled relative to the rectilinear cable loop end by about 90 ° and which after casting of the precast concrete part and after removal of the formwork is parallel to a front or side surface of the precast concrete part and from this position in a to the respective surface in approximately vertical position is folded down.
  • Corresponding brackets and cable loops are known from the prior art in many variations.
  • rope loop in contrast to the term “cable eye”, for the angled End of the rope loop is used, which forms an opening or eyelet due to the inherent intrinsic tension of the rope.
  • the brackets for such rope loops are usually either so-called “rope loop boxes” that can accommodate one, two or more loops, or ropes, the corresponding cable loops at regular intervals and which are available in variable lengths and usually over the entire length of an end face or side surface of a precast concrete part, while cable loop boxes are arranged individually or optionally several times at certain distances from each other along a front or side surface.
  • these rope loop boxes or rope loop rails are mounted in a formwork that the rectilinear Seilschalufenenden of the bracket or the rope loop box or the Rail away in the direction of the interior of the precast concrete part and are therefore shed in the formwork with the concrete of the finished part.
  • the rope loop boxes and rails then usually have a concrete facing the closed bottom, which has only openings or recesses for the implementation of the cable loop and receives in its interior the cable eye protected from exposure to the concrete. That is, when pouring the precast concrete cast in the formwork concrete material flows around the straight, exiting from the ground on the back of the rope loop box rope loop end, which is firmly anchored in the precast concrete part after setting, but not reached in the rope loop box or the Corresponding rail protected received cable eye.
  • the rope loop box and the rope loop rail are either open on their side facing away from the concrete (but sealed with the formwork) or closed by a lid or a foil or tape, which in turn can be used to attach box or rail to a formwork. After removal of the formwork then the box or the rail is open or is opened by removing a corresponding lid, wherein such a lid may optionally also have the side walls of a box or a rail with.
  • the loops are then openly accessible in the box or rail, wherein in the box usually support members are provided which hold the cable eye in the angled position, of which the cable eye but can be solved so that they from the opposite the rectilinear part Angled position can be folded out of the box or the rail by only about 90 °, so that it extends substantially in the longitudinal direction of the concreted straight loop end and perpendicular to the respective surface of the precast concrete part.
  • the cable eyes are folded out accordingly, so that the cable eyes opposite precast concrete overlap each other and then a reinforcing rod is passed through these eyelets to then the between the two Precast concrete parts to shed fugue formed.
  • the potting compound or the grout makes the normal static service loads receiving connection between the two precast concrete
  • the cable loop reinforcement supports this composite, but in addition, in the case of over the normal use of the building beyond overloads, such as shocks from accidents . Explosions or earthquakes, forms an additional safeguard to still hold the precast concrete parts in case of failure of the joint joints.
  • the conventional cable loop boxes and corresponding rails have the disadvantage that they form an additional layer and effectively two interfaces between the concrete of the finished parts and the grout, which should actually connect the two concrete parts together.
  • the material of the rope loop box or rope loop rail still two additional interfaces, namely the interface mortar / box and box / concrete instead of the desirable direct connection between mortar and concrete, especially since the boxes and rails are usually made of non-water-receptive materials and thus tends to a poorer connection with the grout and enter the concrete, as these latter materials can reach each other.
  • the cable loop boxes usually consist of at least three different parts, eg. As a bottom part, an angle bracket for the cable loop and a cover part, wherein the side walls can be optionally arranged on the bottom or cover, the cable loops must be mounted in these boxes or rails and these boxes and rails must finally be introduced into the formwork and then Also, a corresponding cover must be removed to have access to the rope loops.
  • the present invention has the object to provide a simplified cable loop holder, which does not have the above disadvantages and forms an improved connection between grout and concrete.
  • the holder is designed as a molded part, which receives the angled cable eye form-fitting at least from three sides and is removable to the outside of the cable eye.
  • Such a molded part therefore surrounds the cable section of the cable eye from at least three sides, ie from the outside and from two vertical sides enclosing the outside and the cable eye, while it may be open to the side of the precast concrete part. Due to the positive gripping around the cable eye, the concrete during casting of the precast concrete part still can not flow around the cable eye, but at best comes from the one, remaining open side of the molding forth to the cable eye zoom, which causes at best a very loose, superficial bond with the cable eye, which then still largely free after removal of such a molding and can be easily solved with a tool of the precast concrete and bent out of the angled position.
  • the molded part consists of one piece, which facilitates handling and assembly.
  • the molded part is formed as a plate whose thickness is greater than the diameter of the rope from which the rope loop is made and which on one side, i. has on the precast concrete side facing a groove-like recess for receiving the cable eye.
  • the plate can be one or more pieces
  • This groove-like recess follows exactly the course of the cable eye and surrounds the rope from three sides, so that the rope is accessible only from the open groove side.
  • the width of the grooves for receiving the cable eye should be at most equal to the diameter of the rope, but it can, if the molding consists of a suitably plastically or elastically deformable material, also be slightly narrower than the rope is thick, so that the cable eye under elastic or plastic deformation of the groove walls can be pressed into the groove, which means that the rope is enclosed by significantly more than half of its circumference of the groove walls and remains during casting of the concrete only a small portion on one side of the eye, which can come in contact with the concrete.
  • the material should be correspondingly easily deformable, so that the cable loop can be easily pressed by hand into the groove and vice versa, the molding also readily by hand or with a simple hand tool, through which the molding is detected, can be deducted from the rope loop.
  • the molding should, if possible, be designed so that it is easily solvable by the concrete and preferably also by the formwork, but the connection with the formwork can also be designed in such a way that the molded part when loosening the formwork automatically from the rope loop dissolves and gets stuck on the formwork, from which it can then optionally be solved again.
  • the molding at least on the concrete side facing a smooth and no moisture-absorbing or moisture-repellent surface. This ensures that the molded part does not form a firm connection with the concrete material and is easily detachable from it.
  • the molded article could be made of an easily destructible and removable material, such as polystyrene or the like, so that in the event that the molded article can not be released as a whole from the cable eye and / or the precast concrete element, it can still be removed relatively quickly and easily by destroying and breaking out, with the cost of such easily removable and easily destructible material practically no weight. Such a molding would not be reusable then.
  • the molded part is reusable and easily detachable from the concrete and / or the formwork and consists of an elastically or plastically deformable material, such as a thermoplastic.
  • the molding should have a Shore hardness, on the one hand is sufficient to give the molding a not to be affected by casting with the concrete dimensional stability, but on the other hand by larger, locally acting forces, such as when pressing a Cable eye in a groove, readily plastically and / or elastically deformable.
  • such a material should have a Shore A hardness of at least 50.
  • the molded part can be produced by injection molding, which enables a very inexpensive mass production.
  • a molded part, on its side facing away from the precast concrete part should have a recess which is preferably undercut, so that the molded part either by hand or with a simple tool in the recess or the undercut recess and detected by the precast concrete part and the rope loop can be pulled off to reuse it if necessary.
  • a towing hook or the like may be provided on the side facing away from the concrete of the molding a towing hook or the like or at least a portion of the molded part is magnetic or magnetizable and the molded part can then be positioned and fixed both in the formwork with the aid of magnets, as well Help a magnet are removed from the formwork.
  • an angle bracket is provided in the transition region from the straight section to the cable eye, which at least before and during the introduction of the cable loop into the formwork, the cable eye in the angled to the straight rope ends Holding position.
  • Such an angle holder is suitably attached to the cable loop and can remain on this, and the recess which receives the cable eye should optionally be extended in the region of the angle holder so that the angle bracket together with the cable eye in a corresponding recess of the molding form-fitting, ie enclosed on three sides, is included in the molding.
  • this angle holder may easily enter into a firm connection with the concrete, which may even be advantageous to provide a counterforce when Entwing the cable eye when the cable eye is to be solved by corresponding support members on the angle bracket to move from the angled to the weaned position to be brought.
  • the angle holder may have projecting cams, which protrude on the side facing the concrete over the surface of the molding and are cast in this way with the concrete and hold the angle holder in this position.
  • Such an angle holder has a relatively small in size compared to the entire molded part or compared to a rope loop box and therefore does not disturb the bond between grout and concrete unsustainable.
  • corresponding holding elements which hold the cable eye in the angled state could also be provided on the molded part, or this could contain the angle holder as an integral part.
  • the molding after casting the precast concrete part of the precast concrete element and the cable eye can be removed, the entire surface of the precast concrete part is exposed below this molding, including the claimed by the cable eye surface area when the cable loop has been brought into the weaned position.
  • the molding leaves in the precast concrete part of a depression, which is later filled in the connection with another precast concrete element by grout, which forms such a engaging in the precast concrete cradles that improves the transverse force capacity of the joint.
  • FIG. 1 can be seen in plan view in approximately rectangular, plate-shaped, one-piece molding 1, the side edges slightly beveled in a trapezoidal shape and the corner regions are rounded. Due to this trapezoidal shape in the cross section of the plate-shaped molded part 1, the lower, closed surface, which forms the side facing away from a corresponding precast concrete side, slightly larger than the upper surface 9 of the molding. 1
  • the plate-shaped molded part 1 is an open towards the upper side 9 recess 2 in the form of a course of the cable eye 12 following groove provided with a subsequent rectangular recess portion 4, wherein in this rectangular recess portion an angle bracket 5 is added, which is the rectilinear Rope end 11 holds relative to the plane of the cable loop 12 in an angled position by about 90 °.
  • the rope as such or individual cable sections are marked with the reference numeral 13.
  • the angle bracket 5 is provided with two upwardly projecting over the surface 9 cam 6, which should ensure a firmer connection of the angle bracket with the concrete of the finished part.
  • Such angle holder 5 are (apart from the latter cam 6) known in principle in this form and are used in this form in corresponding recesses on the bottoms of rope loops or rope loop rails. In the present case, they are received in a recess 4 open to the concrete side, to which the eye-shaped groove 2 adjoins.
  • the cable 13 and the straight section 11 forming cable ends are held together at its free end by a ferrule 14.
  • FIG. 3a shows a sectional view through the molded part 1 with a cable eye received therein or the cable 13 received therein, in accordance with a section line III-III in FIG. 2
  • the angle holder 5 and the straight rope loop end 11 are behind the plane of the paper.
  • Two dashed lines extending from the edge of the recess 8 and leading to the lower (rear) side of the molding indicate an off-paper access opening through which a hook or, for example, the point of a spiked hammer can be inserted into the recess 8 with the help of such a tool to demolish the molding of a cured precast concrete part. Thereafter, the cable eye is so far accessible that it can be folded with the same or a similar tool from the precast concrete element and the angle bracket 5.
  • the groove 2 is formed so that it surrounds the cable 13 in a tight fit, the upper edge of the rope 13 is below the surface 9 of the molding 1 or at least flush, with the grooves 2, as shown, preferably deeper are formed so that the cable sections 13 also lie below the level of the surface 9 accordingly.
  • the production of the molding 1 is made of an elastically deformable plastic material, in which the grooves 2 are slightly narrower than the ropes 13 are thick, so that the ropes 13 can be pressed under deformation of the groove side walls in the groove 2 while the rope to more than 180 ° of its circumference.
  • FIG. 3b shows the same cut as FIG. 3a but for a further variant of a molded part 1 ', which differs from the molded part 1 in only two details. While the molded part 1 has a flat, closed back or outer side 15 and with the exception of the recess 8 and the grooves 2 has a solid cross-section, the molded part 1 'on its back has a cavity 17 which is enclosed by the circumferential side walls, which at Use of the molding 1 'lie close to a formwork part. This cavity 17 means a material savings and a lower weight of the molded part 1 '.
  • FIG. 4 is a side view of the in the FIGS. 1 to 3 already shown molding with the rope loop received therein.
  • the cable eye does not project beyond the surface 9 and is therefore in FIGS. 4 and 5 not recognizable, while, however, the angled to the cable eye 12 rope end itself extends substantially perpendicularly from the surface 9 of the molded part 1 away.
  • a projecting over the surface 9 portion of the angle holder 5 and the protruding cam 6 of the angle holder which are anchored sufficiently firmly after the casting of precast concrete in the concrete to hold the angle bracket 5 to the concrete firmly when the rope loop 12th is released by a correspondingly strong train of the support members of the angle holder 5.
  • FIG. 5 is an end view of the molded part 1 with cable loop, corresponding to a view from above. Again, one recognizes the partially projecting angle bracket 5 and the cam 6. The two ends of the cable 13 are connected via a ferrule 14 firmly together.
  • FIGS. 6 and 7 one recognizes again the molded part 1, but without a rope loop. It corresponds FIG. 6 the perspective view of the FIG. 1 and FIG. 7 corresponds to the top view of FIG. 2 ,
  • the molding 1 of the invention may be a disposable part, which may be made of a corresponding inexpensive and possibly easily destructible plastic material or elastomers or also of wood or cardboard material.
  • the molded article could also be made (eg, for reusability) from a thermoplastic or other plastic material, and possibly also by embossing the grooves 2 and recesses 4 from a sheet metal. In the case of using wood, reuse of the molded article 1 would also be considered.
  • reusable moldings could be provided on the back recesses or other elements that allow easy detection and removal of the molding of the finished cast concrete part.
  • the molded part could have magnetic or magnetizable elements, which would enable on the one hand a fixation and positioning of the molded part in a corresponding formwork, and on the other hand could serve as a means for releasing the molded part of the precast concrete by means of appropriate magnets.
  • the trapezoidal shape in longitudinal section and cross section through the plate-shaped molding 1 is used for easier removal and removal from the cast concrete.
  • the molding according to the invention is relatively inexpensive to produce and it consists of only a single part and does not require an additional cover, or a cover, as otherwise required in rope loop boxes.
  • the molded part does not form any separating layer between the grout and the concrete, since it can be completely removed after casting and demoulding the precast concrete part.

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  • 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)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
EP08161212A 2007-08-10 2008-07-25 Fixation pour boucles de câbles Active EP2025833B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202007011243U DE202007011243U1 (de) 2007-08-10 2007-08-10 Halterung für Seilschlaufen

Publications (2)

Publication Number Publication Date
EP2025833A1 true EP2025833A1 (fr) 2009-02-18
EP2025833B1 EP2025833B1 (fr) 2012-02-01

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ID=38622767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08161212A Active EP2025833B1 (fr) 2007-08-10 2008-07-25 Fixation pour boucles de câbles

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EP (1) EP2025833B1 (fr)
AT (1) ATE543970T1 (fr)
DE (1) DE202007011243U1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008000529U1 (de) 2008-01-11 2009-05-20 Philipp Gmbh Seilschlaufenhalterung
WO2009109189A1 (fr) * 2008-03-07 2009-09-11 Haucon A/S Élément en béton, procédé de production et d'utilisation de ce dernier
DE202008007387U1 (de) * 2008-06-03 2009-10-29 Philipp Gmbh Seilschlaufenkasten
DE102009001203B4 (de) * 2009-02-26 2023-03-30 Philipp Gmbh Verwahreinrichtung für abgewinkelte Seilschlaufen und Verfahren zum Herstellen von Betonfertigteilen
DE502009000173D1 (de) 2009-03-12 2010-12-23 Gerhard Krummel Vorrichtung zum Verbund von Fertigbetonteilen
FI20096006A0 (fi) * 2009-10-02 2009-10-02 Group Finland Oy R Vaarnalenkkikotelo

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1684254A1 (de) * 1967-08-11 1971-05-27 Franz Gaertner Haltevorrichtung fuer platten- oder blockfoermige Masseformteile
EP0026803A1 (fr) * 1979-10-03 1981-04-15 Losinger AG Dispositif de coffrage avec une plaque en faux-oeuvre et des armatures en attente
FR2554483A1 (fr) * 1983-11-09 1985-05-10 Moreau Pierre Boitier de positionnement d'armatures
FR2703379A1 (fr) * 1993-03-29 1994-10-07 Gozard Jean Gousset amovible pour les reprises de bétonnage.
DE29723990U1 (de) * 1996-07-20 1999-09-02 Pfeifer Seil- und Hebetechnik GmbH & Co, 87700 Memmingen Vorrichtung zum Verbund von Betonfertigteilen
WO2008090260A1 (fr) 2007-01-23 2008-07-31 Peikko Group Oy Procédé et appareil pour fournir un joint de construction renforcé dans une structure en béton

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1684254A1 (de) * 1967-08-11 1971-05-27 Franz Gaertner Haltevorrichtung fuer platten- oder blockfoermige Masseformteile
EP0026803A1 (fr) * 1979-10-03 1981-04-15 Losinger AG Dispositif de coffrage avec une plaque en faux-oeuvre et des armatures en attente
FR2554483A1 (fr) * 1983-11-09 1985-05-10 Moreau Pierre Boitier de positionnement d'armatures
FR2703379A1 (fr) * 1993-03-29 1994-10-07 Gozard Jean Gousset amovible pour les reprises de bétonnage.
DE29723990U1 (de) * 1996-07-20 1999-09-02 Pfeifer Seil- und Hebetechnik GmbH & Co, 87700 Memmingen Vorrichtung zum Verbund von Betonfertigteilen
WO2008090260A1 (fr) 2007-01-23 2008-07-31 Peikko Group Oy Procédé et appareil pour fournir un joint de construction renforcé dans une structure en béton

Also Published As

Publication number Publication date
DE202007011243U1 (de) 2007-10-25
EP2025833B1 (fr) 2012-02-01
ATE543970T1 (de) 2012-02-15

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