EP0230206B1 - Support de fers d'armature en attente pour la reprise du collage dans les ouvrages en béton - Google Patents

Support de fers d'armature en attente pour la reprise du collage dans les ouvrages en béton Download PDF

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Publication number
EP0230206B1
EP0230206B1 EP86810139A EP86810139A EP0230206B1 EP 0230206 B1 EP0230206 B1 EP 0230206B1 EP 86810139 A EP86810139 A EP 86810139A EP 86810139 A EP86810139 A EP 86810139A EP 0230206 B1 EP0230206 B1 EP 0230206B1
Authority
EP
European Patent Office
Prior art keywords
reinforcing rod
holder according
reinforcing
rod holder
cover
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
EP86810139A
Other languages
German (de)
English (en)
Other versions
EP0230206A1 (fr
Inventor
Fritz Brechbühler
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.)
ACO BAUELEMENTE AG
Original Assignee
PAWE AG
PEBEA NV
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 PAWE AG, PEBEA NV filed Critical PAWE AG
Priority to AT86810139T priority Critical patent/ATE54699T1/de
Priority to AU67168/87A priority patent/AU589480B2/en
Priority to DK7187A priority patent/DK167324B1/da
Priority to FI870106A priority patent/FI82745C/fi
Priority to CN 87100262 priority patent/CN1012745B/zh
Priority to JP62007383A priority patent/JPH07113236B2/ja
Priority to ES8700068A priority patent/ES2048687A6/es
Priority to CA000527286A priority patent/CA1302725C/fr
Priority to KR1019870000221A priority patent/KR960004989B1/ko
Priority to NO870145A priority patent/NO175323C/no
Publication of EP0230206A1 publication Critical patent/EP0230206A1/fr
Application granted granted Critical
Publication of EP0230206B1 publication Critical patent/EP0230206B1/fr
Priority to HK136293A priority patent/HK136293A/xx
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/388—Separate connecting 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • 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

Definitions

  • the present invention relates to a reinforcing iron holder for use in connection concreting, which is designed as a hollow body for receiving the free, bent ends of the reinforcing iron and has a first part to be turned towards the concrete wall to be erected and a second matching part, the first part being provided is to stay in the concrete wall.
  • Such a reinforcing iron holder is known from DE-A 3 320 847.
  • the part to be left in the wall is designed as a floor, which either has relatively long side walls or bent side walls, so that a great deal of lost material remains in the wall and has to be concreted in deeply, since all metal parts are usually surrounded by concrete due to the risk of corrosion must be, apart from the complicated manufacturing process.
  • the other element which is designed as a cover part, is designed as a channel and requires side parts to be produced separately and subsequently removed again.
  • EP-A 0 024 697 is a reinforcing iron holder which has a hollow body in which the reinforcing irons can be stored and a cover part which is to be turned towards the concrete wall to be erected first.
  • this holder has no special features so that the cover part can remain attached in the concrete wall.
  • This object is achieved with a reinforcing iron holder described in the claims.
  • the first embodiment of a reinforcing iron holder consists of a plastic box 1 and a wall-side cover part 2, which is made of metal and remains in the wall after the reinforcing iron holder has been concreted in.
  • the covering part remaining in the masonry 55 that is erected consists only of a plate that is relatively easy to manufacture on the one hand and that on the other hand has smaller dimensions than previously known parts of reinforcement brackets made of metal, which are intended to remain in the erected wall.
  • the box 1 has a circumferential, double, U-shaped edge 3 with an inner wall 4 and an outer wall 5.
  • the outer wall 5 has indentations 6 which are distributed around the entire outer wall. These indentations 6 cause concrete to get behind the remaining cover part plate 2 when the reinforcing iron holder is concreted in, as a result of which this plate is firmly connected to the wall and cannot come loose even when the iron is straightened and the plastic part of the holder is removed.
  • a cover strip 11 is arranged on each of the longitudinal edges and has recesses 12 on its outer side which correspond to the indentations 6 and recesses 13 in order to expose the pins 7.
  • sockets 15 are formed in the cover strip, which are guided through corresponding openings 16 in the cover part.
  • the sockets 15 taper upwards and have a hole 17 at the top through which reinforcing irons are inserted.
  • the inwardly facing part 18 of the cover strip and the inside of the socket 15 have a slot 19, as can be seen in FIG. 4.
  • both the box and the two Ab Cover moldings with the sockets molded in one piece from plastic.
  • the entire box in order to be able to insert the irons, the entire box must be spread around its longitudinal center line.
  • the reinforcing bars 14 are bent in the usual way, the free ends being convergent with respect to the longitudinal center line of the box.
  • the sockets enable the entire rounding, ie the transition between the bracket part and the free ends of the reinforcing iron, to be located within the holder. This ensures that after the plastic box and the frames have been removed, the reinforcing iron can be bent completely straight, as shown in FIG. 13.
  • the cover part 2 is made of metal. Since this cover part remains in the masonry, it is advantageous that the best possible connection is made between this metal part and the masonry. For this reason, it is expedient to give the cover part a rough surface, for example by producing it from expanded metal or, as shown in FIG. 6, by embossing and relatively sharp-edged elevations 20 in the cover part. However, other precautions can also be taken to increase the surface roughness.
  • connection between the box part and the cover part can also be made in a different way than by means of pins to be widened. It is also possible, for example, to connect the two parts by means of spot welding or gluing or to use other suitable fastening elements. In this exemplary embodiment, it may prove expedient to design the metal plate in several parts, for example it may be divided along the center line.
  • FIGS. 7 to 9 represent a second exemplary embodiment of a reinforcing iron holder, in which both the production and the assembly of the reinforcing iron holder are improved compared to the first exemplary embodiment.
  • the box 1 is the same as described above, while the longitudinal cover strips are omitted and the cover part has different cutouts. Instead of the longitudinal cover strips, the reinforcing irons 14 are held by transversely arranged iron holders 25, which also prevent cement milk from penetrating.
  • the iron holders also made of plastic, have a length which corresponds to the width of the box 1, and the cross section shown in FIG.
  • the upper part of the iron holder converges in the middle to form a rib 27 which has a longitudinal central slot 28 which extends to the openings 29 arranged on both sides, through which the two legs of the reinforcing iron 14 engage.
  • the rib can have a reinforcement 30 in the middle.
  • the actual holding part is followed by a hold-down piece 31, which, as the name implies, serves to hold down the reinforcing bars.
  • the irons When assembling the reinforcing iron holder, the irons are first placed in the box 1 with the curved and converging leg ends converging towards the center, with certain markings for determining the distances between the irons being able to be made beforehand, whereupon the iron holders are slipped over the brackets and pressed down , whereupon the cover plate 32, which in addition to the previously described holes 8 for the pins 7 has transversely arranged slots 33, which are arranged according to the desired distances between the reinforcing bars, is placed. Subsequently, the pins 7 are depressed, as before, either by means of a hammer, compressed air or a suitable device, and thus the cover plate is fastened to the box.
  • the cover plate When the cover plate is pressed down, it also presses on the peripheral edge 26 of the iron holder, as a result of which the iron holder together with the hold-down part 31 acts on the leg ends of the reinforcing iron and also causes the slot 28 in the iron holder to be compressed, as a result of which cement milk penetrates effectively is prevented.
  • the two long sides 3a of the box 1 can have depressions into which the two transverse edges of the iron holder engage in order to be able to use them at predetermined locations.
  • the use of iron brackets with a central rib ensures that the entire curvature of the reinforcing irons is located within the bracket, which ensures complete straightening after concreting.
  • FIGS. 10 and 11 A further exemplary embodiment of a reinforcing iron holder is described in FIGS. 10 and 11, which, compared to the previous example, further simplifies both the manufacture and the assembly.
  • the box 34 also has a circumferential, double, U-shaped edge 35 with an inner wall 36 and an outer wall 37.
  • the indentations 38 are here much longer than in the previous two examples, so that more concrete can get behind the cover plate to fix it better.
  • the two long sides 39 of the inner edge 36 each have a shoulder at the top 40 on which the edges 41 of the transverse sides of the iron holders 42 are supported, which are correspondingly shorter than those described in the previous exemplary embodiment.
  • the box also has a longitudinal center rib 43 which rises from the floor at approximately the same height as the peripheral edge 35.
  • the hold-down part 44 of the iron holder has depressions 45 which are arranged on both sides of the central longitudinal rib 43 and serve as a guide.
  • means for aligning the iron brackets can be, for example, small depressions 47 on the sides of the longitudinal central rib, into which corresponding cams 48 engage, which are arranged on the guide sides 49 of the depressions 45 facing the longitudinal central rib 43 on the hold-down part.
  • marking means can also be provided, for example small pegs on the upper edge of the longitudinal central rib, which engage in holes in the hold-down part or vice versa.
  • the cover plate 46 is similar to the previous example, except that the pins 7 are only arranged on the peripheral edge and engage in corresponding openings 8. But it is also possible to provide pins on the longitudinal center rib 43 which engage through corresponding openings in the cover part.
  • the rib 50 in the iron holder has no reinforcement in the middle and is particularly well suited to form a tight seal, since it has been found that when the edges 41 arranged on both sides of the rib are pressed, the two edges of the slot 51 in FIG Rib pressed against each other.
  • holder inserts 52 which are also supported on the two shoulders 40 of the longitudinal edges and which have depressions 53 arranged on both sides of the longitudinal center rib 43.
  • the assembly of this iron holder described last is very simple. First, the reinforcing irons are inserted at the previously specified points, the iron holders are placed at the marked points and the holder inserts are placed on them, and then the cover plate is attached, then the pins are compressed using a hammer or a suitable device to secure the cover plate.
  • the reinforcing iron holder not only offers significant advantages in terms of manufacture and assembly, but also when fastening it and when installing the connecting masonry.
  • the box is preferably produced from a plastic film.
  • the material of the cover plates 32 or 46 is the same as that of the cover plate 2 of the first example and can be made of expanded metal or a metal plate with a roughened surface.
  • the bottom of the box 1 or 34 also has support and guide surfaces to ensure that the reinforcing bars are held down securely.
  • the three reinforcement iron holders described and shown above relate to reinforcement irons with a bracket and two free legs, but it is possible to provide a correspondingly modified reinforcement iron holder for reinforcement irons which have only one shackle and one open bracket.
  • the width of the reinforcing iron will only be approximately half that of the reinforcing iron, for example according to FIG. 10, and where the longitudinal central rib 43 is located, the other longitudinal wall is arranged, which has the same shoulder 40.
  • the iron holders and the holder inserts are then shaped accordingly, i.e. the iron holders have an opening in the middle and a correspondingly shaped hold-down part, while the holder inserts have only one recess.
  • the reinforcing irons can be inserted first and the iron holder and the insert pieces placed or plugged on, whereupon the cover plate can be put on and fastened by means of the pins reaching through corresponding openings.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Reinforcement Elements For Buildings (AREA)

Claims (19)

1. Support de fers d'armature pour la reprise entre voiles dans les constructions en béton, ayant la conformation d'un corps creux pour recevoir les extrémités libres et pliées des fers d'armature (14), et qui présente une première partie (2, 32, 46) à placer en regard de la paroi en béton (55) à ériger en premier lieu et une seconde partie (1, 34) lui correspondant, la première étant prévue pour rester dans la paroi en béton, caractérisé en ce que la première partie est une plaque de métal (2, 32, 46) et la seconde partie est conformée en caisson (1, 34) constitué de matière synthétique avec une bordure contournante (3, 35), et en ce que la bordure est formée de deux parois (4, 36; 5,37) reliées entre elles en forme d'U, la paroi extérieure (5, 37) présentant des cavités (6, 38) pour le remplissage de la plaque de métal (2, 32, 46) par du béton.
2. Support de fers d'armature selon la revendication 1, caractérisé en ce que le caisson (1, 34) comporte des tenons (7) pour la fixation de la plaque de métal (2, 32, 46), lesquels tenons peuvent être fichés dans des ouvertures (8) correspondantes dans la plaque de métal et pressés sur celle-ci.
3. Support de fers d'armature selon la revendication 1 ou 2, pour des fers d'armature qui comprennent un étrier et deux branches libres et pliées, caractérisé en ce qu'il comprend des supports de fers (25, 42) agencés transversalement et pourvus de deux ouvertures pour les extrémités libres des branches des fers d'armature, et en ce que la plaque-couvercle (32, 46) présente des ouvertures oblongues (33) aux endroits des étriers des fers d'armature.
4. Support de fers d'armature selon la revendication 3, caractérisé en ce que le support de fers (25, 42) comporte une bordure contournante (26), une nervure proéminente (27, 50) reliant les deux ouvertures par les branches des fers d'armature et pourvue d'une fente (28), et une partie d'appui (31, 44) agencée sur un côté:
5. Support de fers d'armature selon l'une des revendications 1 à 4, caractérisé en ce que le caisson (34) comporte un épaulement (40) sur ses bords longitudinaux intérieurs (39), sur lequel épaulement s'appuient les côtés larges de la bordure contournante (26) du support de fers (42), et en ce que le fond du caisson comporte une nervure médiane longitudinale incurvée (43).
6. Support de fers d'armature selon l'une des revendications 1 à 5, caractérisé en ce que les parties d'appui (44) des fers d'armature (42) présentent deux creux (45) agencés des deux côtés de la nervure médiane longitudinale.
7. Support de fers d'armature selon la revendication 6, caractérisée en ce que la nervure médiane longitudinale (43) et les creux de la pièce d'appui présentent des moyens (47, 48) pour l'alignement du support de fers.
8. Support de fers d'armature selon l'une des revendications 1 à 4, caractérisé en ce que les supports de fers (25) reposent sur les côtés longitudinaux des bords et que le caisson (1) présente des parties surélevées (10) dans la zone de sa médiane, sur lesquelles est agencé chaque fois un tenon de fixation (7), qui passe à travers une ouverture correspondante (8) dans le couvercle (2, 46).
9. Support de fers d'armature selon la revendication 8, caractérisé en ce que les côtés longitudinaux (3a) des bords comportent des creux pour recevoir et aligner les supports de fers.
10. Support de fers d'armature selon l'une des revendications 1 à 9, caractérisé en ce qu'il comporte en outre des inserts d'arrêt (53) qui reposent soit sur les bords longitudinaux, soit sur les épaulements (40) des bords longitudinaux, et qui présentent deux creux (54), lesquels creux s'étendent le cas échéant autour de la nervure médiane longitudinale (43).
11. Support de fers d'armature selon la revendication 1 ou 2, caractérisé en ce qu'une plaquette de couverture (11) est agencée sur chacun des bords longitudinaux, laquelle plaquette présente à sa face extérieure des évidements (12) qui correspondent aux creux (6) sur la paroi extérieure, ainsi que des évidements (13) qui sont agencés aux endroits des tenons (7), et en ce qu'aux endroits où les étriers des fers d'armature (14) débordent, sont conformées des prises (15) s'étendant autour des branches des fers d'armature en retenant celles-ci et en les rendant étanches, lesquelles prises sont guidées à travers des ouvertures correspondantes (16) dans le couvercle.
12.- Support de fers d'armature selon la revendication 11, caractérisé en ce que les prises (15) vont se rétrécissant vers le haut et que les faces intérieures de celles-ci, ainsi que la partie de la plaquette de couverture (11) en regard vers l'intérieur, présentent en ces endroits une fente (19) afin de pouvoir enficher les branches des fers d'armature.
13. Support de fers d'armature selon la revendication 11 ou 12, caractérisé en ce que le caisson (1) et les plaquettes de couverture (11) ensemble avec les prises (15) sont fabriqués d'une seule pièce en matière synthétique.
14. Support de fers d'armature selon l'une des revendications 11 à 13, caractérisé en ce que le caisson présente dans sa zone médiane des parties surélevées (10) sur chacune desquelles est disposé un tenon de fixation (7) qui passe à travers une ouverture correspondante (8) dans le couvercle.
15. Support de fers d'armature selon la revendication 1 ou 2 pour fers d'armature avec un étrier et une branche libre, caractérisé en ce qu'il comporte des supports de fers qui s'appuyent sur les bords longitudinaux sous des épaulements aux bords longitudinaux et qui présentent des ouvertures pour recevoir la branche libre, et que le couvercle présente des ouvertures correspondant à la partie supérieure du support de fers.
16. Support de fers d'armature selon l'une des revendications 1 à 15, caractérisé en ce qu'au moins les zones périphériques du couvercle (2, 32, 46) sont pourvues d'une couche protectrice.
17. Support de fers d'armature selon la revendication 16, caractérisé en ce que cette couche protectrice est une couche de matière synthétique ou un revêtement par déposition électrostatique.
18. Support de fers d'armature selon l'une des revendications 1 à 17, caractérisé en ce que le couvercle (2, 32, 46) est fabriqué en métal déployé.
19. Support de fers d'armature selon l'une des revendications 1 à 17, caractérisé en ce que le couvercle comporte des moyens, notamment des bossages à arêtes vives, afin d'augmenter la rugosité superficielle.
EP86810139A 1986-01-15 1986-03-24 Support de fers d'armature en attente pour la reprise du collage dans les ouvrages en béton Expired - Lifetime EP0230206B1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
AT86810139T ATE54699T1 (de) 1986-01-15 1986-03-24 Armierungseisenhalter zur verwendung bei anschlussbetonierungen.
AU67168/87A AU589480B2 (en) 1986-01-15 1987-01-06 A reinforcing rod holder for use in joining cast concrete work
DK7187A DK167324B1 (da) 1986-01-15 1987-01-07 Holder for armeringsjern til anvendelse ved betonsammenstoebninger
FI870106A FI82745C (fi) 1986-01-15 1987-01-12 Armeringshaollare foer anvaendning vid anslutningsbetonering.
JP62007383A JPH07113236B2 (ja) 1986-01-15 1987-01-14 鉄筋ホルダ
ES8700068A ES2048687A6 (es) 1986-01-15 1987-01-14 Soporte de hierro de armaduras para aplicar en el hormigonado de uniones
CN 87100262 CN1012745B (zh) 1986-01-15 1987-01-14 用于连接浇筑的混凝土件的钢筋盒
CA000527286A CA1302725C (fr) 1986-01-15 1987-01-14 Attache de basses d'armature de beton
KR1019870000221A KR960004989B1 (ko) 1986-01-15 1987-01-14 콘크리트 주물 공사용 철근 홀더
NO870145A NO175323C (no) 1986-01-15 1987-01-14 Holder for armeringsjern, særlig for anvendelse ved stöping av betongforbindelser
HK136293A HK136293A (en) 1986-01-15 1993-12-09 Reinforcement-iron for use in joining cast concrete work

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP86810014 1986-01-15
EP86810014 1986-01-15

Publications (2)

Publication Number Publication Date
EP0230206A1 EP0230206A1 (fr) 1987-07-29
EP0230206B1 true EP0230206B1 (fr) 1990-07-18

Family

ID=8196447

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86810139A Expired - Lifetime EP0230206B1 (fr) 1986-01-15 1986-03-24 Support de fers d'armature en attente pour la reprise du collage dans les ouvrages en béton

Country Status (5)

Country Link
US (1) US4796851A (fr)
EP (1) EP0230206B1 (fr)
KR (1) KR960004989B1 (fr)
DE (1) DE3672797D1 (fr)
ZA (1) ZA87122B (fr)

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US4984401A (en) * 1989-07-31 1991-01-15 Dayton Superior Corporation Device and method for housing a steel reinforcement in an area where joints are made between first and subsequently poured concrete structures
DE9113086U1 (de) * 1991-10-21 1992-04-30 Betomax Kunststoff- und Metallwarenfabrik GmbH, 4040 Neuss Verwahrungsvorrichtung für in eine Betonwand zu verankernde Bewehrungsstäbe
US5829207A (en) * 1993-04-08 1998-11-03 Alan H. Reid Pty Ltd. Edge lifting recess former and reinforcement system
FR2710091A1 (fr) * 1993-09-16 1995-03-24 Sauveplane Pierre Dispositif de mise en place et de positionnement d'armature dans des coffrages pour béton armé.
FR2712619B1 (fr) * 1993-11-17 1995-12-22 Mure Ets Caisson modulaire pour la mise en attente de fers d'armature de béton.
US7467777B2 (en) * 2003-08-29 2008-12-23 Quick Formz, Llc Devices for securing reinforcing bars within forms for concrete
WO2008052243A1 (fr) * 2006-11-02 2008-05-08 Sugar Steel Engineering Pty Ltd Dispositif de formation d'espaces vides
FR2941983B1 (fr) * 2009-02-06 2011-02-25 Fimurex Caisson de boite d'attente et boite d'attente integrant un tel caisson.
KR20140086038A (ko) * 2012-12-28 2014-07-08 코웨이 주식회사 정수기로부터 급수 가능한 제빙기 및 정수기와 제빙기의 연결구조
US10214925B2 (en) 2016-10-26 2019-02-26 Terry S. Hartman Adjustable concrete form brace and reinforcement bar hanger
US10570632B1 (en) * 2019-01-15 2020-02-25 Terry S. Hartman Adjustable concrete form brace and reinforcement bar hanger

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3220847A1 (de) * 1982-06-03 1983-12-08 Hifra GmbH, Olten Vorrichtung zum verwahren von verbindungsstaehlen fuer betonbauteile

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ZA87122B (en) 1987-09-30
DE3672797D1 (de) 1990-08-23
US4796851A (en) 1989-01-10
KR960004989B1 (ko) 1996-04-18
EP0230206A1 (fr) 1987-07-29
KR870009089A (ko) 1987-10-23

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