EP0136283A2 - Armature pour constructions en béton armé - Google Patents

Armature pour constructions en béton armé Download PDF

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Publication number
EP0136283A2
EP0136283A2 EP84890164A EP84890164A EP0136283A2 EP 0136283 A2 EP0136283 A2 EP 0136283A2 EP 84890164 A EP84890164 A EP 84890164A EP 84890164 A EP84890164 A EP 84890164A EP 0136283 A2 EP0136283 A2 EP 0136283A2
Authority
EP
European Patent Office
Prior art keywords
reinforcement
elements
bracket
bends
rod
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
EP84890164A
Other languages
German (de)
English (en)
Other versions
EP0136283B1 (fr
EP0136283A3 (en
Inventor
Georgi Dipl.-Ing. Oroschakoff
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.)
Best - Baueisen- und Stahl-Bearbeitungsgesellschaft Mbh
Original Assignee
Best - Baueisen- und Stahl-Bearbeitungsgesellschaft Mbh
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 Best - Baueisen- und Stahl-Bearbeitungsgesellschaft Mbh filed Critical Best - Baueisen- und Stahl-Bearbeitungsgesellschaft Mbh
Publication of EP0136283A2 publication Critical patent/EP0136283A2/fr
Publication of EP0136283A3 publication Critical patent/EP0136283A3/de
Application granted granted Critical
Publication of EP0136283B1 publication Critical patent/EP0136283B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0609—Closed cages composed of two or more coacting cage parts, e.g. transversally hinged or nested parts

Definitions

  • the invention relates to a reinforcement for reinforced concrete structures, in particular to a basket reinforcement for rod-shaped, such as supports, beams, piles and the like, and flat, sheet-like components such as walls, ceilings and the like.
  • a reinforcement for reinforced concrete structures in particular to a basket reinforcement for rod-shaped, such as supports, beams, piles and the like, and flat, sheet-like components such as walls, ceilings and the like.
  • rod-shaped such as supports, beams, piles and the like
  • flat, sheet-like components such as walls, ceilings and the like.
  • bracket elements which have bends at the ends of their bracket.
  • the reinforcement for rod-shaped reinforced concrete components such as girders, supports, piles, diaphragm walls and the like, still consists of load-bearing reinforcing bars which run in the longitudinal direction of the component and which are combined with brackets. Closed components are used for components that are subject to pressure, such as supports. For components that are subject to bending, such as beams, open brackets are used in the center of the field, but closed in the support area.
  • This classic embodiment of the reinforcement for rod-shaped reinforced concrete components is associated with a very high amount of work and requires that the reinforcement cages must be knitted on the construction site, specifically for supports outside, for beams but mainly in the formwork. The work is made more difficult because the reinforcement bars have to spill over from one field to the other and the reinforcement bars run spatially in all three directions at the crossing points, beams with beams and supports, whereby each individual reinforcement bar must be inserted into the closed reinforcement cage .
  • the object of the invention is to create a reinforcement of the type mentioned at the outset, which offers the possibility of factory production, while avoiding the difficulties described, etc.
  • this reinforcement is characterized in that at least one connecting rod is placed from the inside or outside at a distance (Y1, Y2) from the end of the bend, where Y1 (or Z1) ⁇ D + 2.01, where D is the diameter of the mandrel for the bend and 01 mean the bar diameter of the bracket, and that after pushing the bracket elements into each other through the bends at least one pull-in bar can be inserted, whereby the bracket elements form a reinforcement cage and are inseparable and non-positively connected.
  • two bracket elements are arranged side by side so that their bends are aligned; the pull-in rod is inserted through these eyelet-forming bends, and then the elements are folded towards one another until their other bends are also in alignment, through the eyelet of which they are formed the other pull-in rod is then pushed, thus forming a spatial reinforcement cage in this manner .
  • Bracket elements are combined to form a partial reinforcement element by longitudinal reinforcement bars extending along them.
  • Such partial reinforcement elements can be easily prefabricated in the desired length, transported in a space-saving manner and simply combined into baskets.
  • a further feature of the invention is used in such a way that at least one pair of stirrup elements or partial reinforcement elements with the bends at one end of their stirrups are aligned to form an eyelet with a diameter D such that a Pull-in rod is inserted through this eyelet, that the elements are then folded towards one another until the bends at the other ends of their brackets are aligned to form a further eyelet, and that another pull-in rod is then inserted through this further eyelet, where appropriate further elements and Retractable rods can be interposed.
  • basket reinforcements of any desired type can be put together quickly and easily.
  • the bracket element E 1 shown in FIGS. 1 to 3 consists of a series of angularly bent brackets 1 having lengths Y and Z, which have the rod diameter 01 and a 180 ° at both ends around a (not shown) Bending mandrel of diameter D have bent hooks, and from connecting rods 2, with which they are combined, preferably by welding, to form the bracket element E1.
  • the connecting rods 2 are arranged on the outside of the hooks at a distance Y 1 and Z 1 from the end of the hook to enable a non-detachable connection to other bracket elements constructed on the same principle, where: Y1 (or Z1) ⁇ D + 2.01 .
  • the distances Y 1 and Z 1 must therefore be somewhat larger than the diameter D of the bending mandrel in order to enable the insertion of a pull-in rod into the eyelet resulting from the pushing in of two bracket elements E 1, whereby the bracket elements E 1 are non-positively and inseparably connected to tensile stress.
  • the hooks at the two ends of the bracket 1 are preferably to be bent by 180 °. However, the smallest bending angle must be so large that when two bracket elements are rotated 90 ° to each other, the hook ends intersect.
  • the length X of the bracket elements E 1 is constant and is a multiple of the bracket distance X 1 (Fig. 2).
  • the connecting rods 2 are, preferably also made of round steel or wire, connected to the brackets 1 by welding. However, other connections are also possible, such as plastic rods and couplings. It is essential that the individual brackets 1 are combined into rigid, ie dimensionally stable, elements that cannot be displaced in their plane, and that the connecting rods 2 are arranged as described.
  • 4 and 5 are schematic representations of the Bracket element E 1 in side view according to Figures 2 and 3; these schematic representations have been chosen to make the following figures clearer.
  • reinforcement cages with any dimensions and degrees of reinforcement are used.
  • Fig. 6 shows to form such a reinforcement cage a partial reinforcement element E 2, consisting of three mutually identical, side by side bracket elements E 1 according to FIGS. 1-5, which with the required longitudinal reinforcement in the form of bars 3 at points a are connected.
  • These longitudinal reinforcement bars 3 can also be replaced by a family of bars manufactured according to AT-PS 346 046.
  • the connections between the bars 3 or such a family of bars and the bracket elements E 1 can be carried out by welding. However, since the bracket elements E 1 are not displaceable in their plane, it is sufficient if the longitudinal bars 3, or the family of bars replacing these bars, are connected to the bracket elements E 1 at points a with wire.
  • FIG. 7 shows in the direction of arrows Pf.3 of FIG. 6 the view of two partial reinforcement elements E 2, the second element E 2 having been rotated by 90 ° with respect to the first.
  • the longitudinal bars 3 are to be arranged in such a way that the hook area remains free. It is advantageous if the distance between the end of the hook and the first rod is equal to the rod spacing e 1 or e 2.
  • the described design of the two sub-baskets E 2 r and E 2 1 allows for a complete factory production except for the two longitudinal bars 4 and 5, which enables a sharp reduction in labor costs.
  • the complaint-free stackability of the baskets E 2 1 and E 2 r in spite of the fact that the brackets were completed in the factory with the much heavier supporting reinforcement, secures low freight costs.
  • the assembly of the sections E 2 r and E 2 1 on the construction site requires hardly any significant time, which, in the third place, enables the construction progress to be accelerated.
  • a stiffening element E 4 is provided according to FIGS. 10 and 11.
  • the angle brackets 6 are straight at one end, at the other end they have a hook bent over by 180 °; they are with two connecting rods 7 by welding or the like. summarized to the element E 4. If the longitudinal rod 3 in FIG. 12 is to be secured against kinking, the element E 4 is to be hooked into the longitudinal rod 3 before the partial basket E 2 r is folded up. Then, as shown in FIG. 8 and already described, the partial basket E 2 r is pivoted in the direction of the arrow Pf. 5 and closed with the pull-in rod 5, as shown in FIG. 9.
  • girder reinforcement There are two further requirements for girder reinforcement, which must be taken into account in order to ensure that the entire reinforcement including the ceilings and beam support reinforcement. First of all, there must be no longitudinal bar above the lower edge of the ceiling in the girder reinforcement so that the ceiling reinforcement can be placed without threading. Secondly, it is advantageous and saves a lot of work if the reinforcement cage remains open until the negative reinforcement is inserted and can only be closed afterwards.
  • the bracket element E 6 designed according to FIGS. 14 and 15 meets these requirements.
  • the bracket 8 have the same shape as the bracket 1 of the element E1 in Fig. 1; they are combined with two connecting rods 9 to form an element E 6.
  • the difference to element E 1 is that in addition to the one rod 9, which, like E 1 (FIG. 1), lies on the short leg of the bracket 8 at a distance Y 1 from the end of the bracket, but the second rod 9 here at a distance Z 4 is arranged from the other end of the bracket, etc. on the inside of the temple.
  • the distance Z 4 must be equal to or greater than the ceiling thickness.
  • several elements E 6 according to FIGS. 14 and 15 are placed next to one another and, according to FIG. 16, are combined with the distributors 10 or the longitudinal bars 11 and 12 to form an element E 7.
  • this supporting reinforcement 10, 11, 12 is drawn with two different lengths; the rod 11 stops in front of the support (not shown) and is supplemented with tabs in the support area, and the longitudinal rods 12 protrude into the support.
  • the support bars, which have to reach into the column reinforcement, which is normally 1/3 of the entire support reinforcement, are then to be laid as loose individual bars after moving the open cage into the formwork.
  • Fig. 17 shows the partial basket E 7 in section; 16, all support rods 11 and 12 have been integrated into the sub-basket E 7, as in FIG.
  • brackets 13 are essentially straight rods, but which are bent at both ends like hooks, below by 180 °, above by approximately 135 °, and they are through the connecting rods 14 combined into an element E 8.
  • the upper rod 14 lies on the inside of the bow rods 13, the lower rod 14 on the inside of the end of the lower hook 13 '. 1, it is essential that the bow is bent so far that when the element E 8 is pushed into the element E 7 the ends of both hooks cross, not to either part detachable and non-positive connection.
  • Fig. 19 shows the partial reinforcement element E 9, which consists of three bracket elements E 8, which are connected to the longitudinal bars 15.
  • an element E 7 and an element E 9 are next to each other 10, and then element E 9 is inserted into element E 7 in the direction of arrow Pf. 10 until it has reached the position shown in FIG. 22.
  • the two parts E 7 and E 9 are not detachable and non-positively connected to each other in the plane of the bracket 8.
  • the element E 9 is then to be folded up in the direction of the arrow Pf. 11 until it has reached the position shown in FIG. 23.
  • the element E 9 can only be rotated in the direction of the arrow Pf.
  • an additional shear reinforcement element E 10 according to FIG. 24 is to be inserted. It consists, similar to the element E 8 in FIG. 18, of straight stirrup rods 17 bent at both ends in a hook-like manner, which are combined to form an element E 10 by two connecting rods 18 which lie on the inside of the stirrup rods 17.
  • the rods 17 are bent at one lower end by approximately 180 ° and at the other, upper end by approximately 135 °.
  • the difference to element E 8 is therefore that both retaining rods 18 must be arranged at a distance from the bent ends in order to hook element E 10 onto the longitudinal reinforcement to be able to.
  • a C-shaped bracket 19 according to FIG. 25 is provided, with two functions if the reinforcement cage has to be assembled outside the formwork, for example in the case of prefabricated reinforced concrete parts: first, after the bracket 19 has been hooked onto the bars 9 and 14, as shown in Fig. 26, the element E 9 is prevented from falling back in the direction opposite the arrow Pf. 11 (Fig.
  • the bracket 19 serves as a support for the reinforcement bars 20 and 21 to be mounted from above, which have to be inserted into the basket interior, etc. before closing the basket, if you want to save yourself the laborious pushing of this reinforcement into the closed basket.
  • the open basket thus assembled according to FIG. 26 is designated E 11 '.
  • Fig. 28 shows the subsequent closing of the reinforcement cage E 11 with an element E 10 according to Fig. 24.
  • the longitudinal bar 20 is lifted into the hook of the element E 7 and then, e.g. tied with wire.
  • the element E 10 is then hooked onto the rod 20 in the manner shown in FIG. 28.
  • the remaining longitudinal bars 21, as shown in FIG. 29, can be fastened to the element E 10, with which the closed reinforcement cage E 12 according to FIG. 29 is completed.
  • FIG. 30 shows a four-section basket in the assembled state.
  • the elements E 10 according to FIG. 24 serve as shear reinforcement elements E 10, which are to be hooked onto the longitudinal bars 12 when the basket according to FIG. 22 is open.
  • the other process for completion corresponds to the description for FIGS. 23 to 29.
  • the Sen requirements can be met with the reinforcement according to the invention by choosing an element of the type E 10 according to FIG. 18, but with the required height Z 5 according to FIG. 31 and in the manner as described for the element E 10 to the Retractable rod 20 hooks in and fastened; the reinforcement cage which can be produced in this way is designated as E 13 in FIG. 31.
  • 32 to 36 illustrate further possible variations which the reinforcement according to the invention offers.
  • 32 shows a composite reinforcement element E 15, essentially of the same type as the element E 7 according to FIGS. 17 and 20. The difference between these two elements lies only in the length of the horizontal leg: the element E 7 has one Leg length Y, the element E 15 has a leg length Y3, where Y3 is less than Y.
  • the element E 15 consists of the bracket elements E 14 and the longitudinal reinforcement bars 25, 26 and 27.
  • the description regarding element E 1 (FIGS. 1 to 3) applies analogously, only the bracket 1 with 24 and the connecting rods 2 designated 23.
  • Fig. 33 shows in a similar way a bracket element E 17, which is a further variation of the above-mentioned element E 7.
  • the length of the horizontal leg of the bracket 28 is Y4 for element 17, Y4 being greater than Y.
  • the longitudinal bars are designated here with 29, 30 and the distributors with 31.32.
  • 34 and 35 show the assembly of two angular partial reinforcement elements E 7 and E 15 to form an open reinforcement cage E 18; the description of FIG. 22 applies analogously, the drawing-in rod 16, which is pushed there into the eyelet, being designated 33 here. 36
  • the combination of the element E 7 with the element E 17 can be seen in a similar manner via the pull-in rod 34; it can be seen that the basket width Y6 is even larger here after the insertion of the rod 34.
  • a bracket element E 20 is angled according to FIGS. 37 and 38 seen, consisting of eight angle brackets 36 held together by three connecting rods 35.
  • the short stirrup leg has the length Y 7 and the width of the element E 20 is Z 6.
  • the partial reinforcement element E 21 composed of three such elements E 20 can be seen in FIG. 39; the elements E 20 are held together by the longitudinal reinforcement bars 37 of length Z7, which are connected by wire or welding.
  • brackets of the individual elements also have shapes other than those shown, e.g. their legs could also include an angle deviating from 90 °, such as 60 ° or 120 °, depending on the shape of the desired geometric cross sections of the cage reinforcements to be produced.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Rod-Shaped Construction Members (AREA)
EP84890164A 1983-09-01 1984-08-31 Armature pour constructions en béton armé Expired - Lifetime EP0136283B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT3128/83 1983-09-01
AT0312883A AT378979B (de) 1983-09-01 1983-09-01 Bewehrung fuer stahlbetonkonstruktionen

Publications (3)

Publication Number Publication Date
EP0136283A2 true EP0136283A2 (fr) 1985-04-03
EP0136283A3 EP0136283A3 (en) 1986-06-11
EP0136283B1 EP0136283B1 (fr) 1990-07-25

Family

ID=3545738

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84890164A Expired - Lifetime EP0136283B1 (fr) 1983-09-01 1984-08-31 Armature pour constructions en béton armé

Country Status (3)

Country Link
EP (1) EP0136283B1 (fr)
AT (2) AT378979B (fr)
DE (1) DE3482807D1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309393A1 (fr) * 1987-09-23 1989-03-29 Egco Ag Elément d'armature pour bâtir des constructions de béton armé
EP0394815A1 (fr) * 1989-04-22 1990-10-31 Hinrich Podendorf Cage d'armature en acier
EP0517107A1 (fr) * 1991-06-06 1992-12-09 Hayashi Seiko Co., Ltd. Ossature de construction en béton armé
WO1996021781A1 (fr) * 1995-01-13 1996-07-18 Bertels Augustinus Wilhelmus M Accouplement entre deux elements de structure, et structure tridimensionnelle comportant des accouplements de ce type
DE19754744A1 (de) * 1997-12-10 1999-06-17 Ludwig Dipl Ing Meese Verfahren und Vorrichtung zur Herstellung eines Bewehrungselements für ein Betonbauteil
ITMI20090761A1 (it) * 2009-05-05 2010-11-06 Pigazzi Reti S R L Struttura per la realizzazione di gabbie di armatura per travi e metodo di assemblaggio di tale struttura
WO2012000559A1 (fr) * 2010-07-01 2012-01-05 Sidenor Sa Structure pour renforcer le béton et procédé de production d'une structure permettant de renforcer le béton

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1554767A (en) * 1924-03-21 1925-09-22 Southern Joseph Heaton Metal reenforcement for concrete
FR2088529A2 (fr) * 1970-05-12 1972-01-07 Oroschakoff Georgi
GB1396780A (en) * 1972-05-02 1975-06-04 British Reinforced Concrete Eng Co Ltd Reinforced concrete
FR2342383A1 (fr) * 1976-02-25 1977-09-23 Treillis Panneaux Soudes Perfectionnements aux armatures pour constructions en beton arme
DE2614026A1 (de) * 1976-04-01 1977-10-06 Bauunternehmung M Allmendinger Bewehrungskorb fuer einen betonpfahl, insbesondere gruendungspfahl
FR2417604A1 (fr) * 1978-02-16 1979-09-14 Impianti Industriali Spa Armature composee d'elements assemblables pour piliers et travees en beton arme

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1554767A (en) * 1924-03-21 1925-09-22 Southern Joseph Heaton Metal reenforcement for concrete
FR2088529A2 (fr) * 1970-05-12 1972-01-07 Oroschakoff Georgi
GB1396780A (en) * 1972-05-02 1975-06-04 British Reinforced Concrete Eng Co Ltd Reinforced concrete
FR2342383A1 (fr) * 1976-02-25 1977-09-23 Treillis Panneaux Soudes Perfectionnements aux armatures pour constructions en beton arme
DE2614026A1 (de) * 1976-04-01 1977-10-06 Bauunternehmung M Allmendinger Bewehrungskorb fuer einen betonpfahl, insbesondere gruendungspfahl
FR2417604A1 (fr) * 1978-02-16 1979-09-14 Impianti Industriali Spa Armature composee d'elements assemblables pour piliers et travees en beton arme

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0309393A1 (fr) * 1987-09-23 1989-03-29 Egco Ag Elément d'armature pour bâtir des constructions de béton armé
EP0394815A1 (fr) * 1989-04-22 1990-10-31 Hinrich Podendorf Cage d'armature en acier
DE3943654C2 (de) * 1989-04-22 1997-03-20 Hinrich Podendorf Bewehrungskorb aus Betonstabstahl
DE3943739C2 (de) * 1989-04-22 1998-04-30 Hinrich Podendorf Verfahren zur Herstellung eines Bewehrungskorbes
EP0517107A1 (fr) * 1991-06-06 1992-12-09 Hayashi Seiko Co., Ltd. Ossature de construction en béton armé
WO1996021781A1 (fr) * 1995-01-13 1996-07-18 Bertels Augustinus Wilhelmus M Accouplement entre deux elements de structure, et structure tridimensionnelle comportant des accouplements de ce type
US5873207A (en) * 1995-01-13 1999-02-23 Bertels; Augustinus Wilhelmus Maria Coupling between two structural elements and spatial structure with such couplings
DE19754744A1 (de) * 1997-12-10 1999-06-17 Ludwig Dipl Ing Meese Verfahren und Vorrichtung zur Herstellung eines Bewehrungselements für ein Betonbauteil
ITMI20090761A1 (it) * 2009-05-05 2010-11-06 Pigazzi Reti S R L Struttura per la realizzazione di gabbie di armatura per travi e metodo di assemblaggio di tale struttura
WO2010127799A1 (fr) * 2009-05-05 2010-11-11 Pigazzi Reti S.R.L. Structure pour la production d'armatures pour poutres et procédé d'assemblage de ladite structure
WO2012000559A1 (fr) * 2010-07-01 2012-01-05 Sidenor Sa Structure pour renforcer le béton et procédé de production d'une structure permettant de renforcer le béton

Also Published As

Publication number Publication date
AT378979B (de) 1985-10-25
DE3482807D1 (de) 1990-08-30
ATE54985T1 (de) 1990-08-15
ATA312883A (de) 1985-03-15
EP0136283B1 (fr) 1990-07-25
EP0136283A3 (en) 1986-06-11

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