EP0808960A1 - Cage d'armature préfabriquée - Google Patents

Cage d'armature préfabriquée Download PDF

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Publication number
EP0808960A1
EP0808960A1 EP97810239A EP97810239A EP0808960A1 EP 0808960 A1 EP0808960 A1 EP 0808960A1 EP 97810239 A EP97810239 A EP 97810239A EP 97810239 A EP97810239 A EP 97810239A EP 0808960 A1 EP0808960 A1 EP 0808960A1
Authority
EP
European Patent Office
Prior art keywords
bars
additional
parallel
reinforcement cage
cross bars
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
EP97810239A
Other languages
German (de)
English (en)
Other versions
EP0808960B1 (fr
Inventor
Gérard Matile
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.)
MATILE, GERARD
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0808960A1 publication Critical patent/EP0808960A1/fr
Application granted granted Critical
Publication of EP0808960B1 publication Critical patent/EP0808960B1/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 [3D] extent, e.g. lattice girders
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0622—Open cages, e.g. connecting stirrup baskets

Definitions

  • reinforcement baskets are often installed on the building site at the place of installation by the iron layer with binding baskets. This is extremely labor-intensive, but has the advantage that the armouring basket can be easily adapted to the respective, building-specific conditions.
  • prefabricated reinforcement baskets must be carefully thought out in order to be as versatile as possible in spite of their predetermined and thus restricting their use.
  • the legs of the bars bent at right angles are connected by tying flat nets to the wall and / or floor-ceiling slab.
  • the disadvantage of this solution can be seen in the fact that relatively little work is done for the iron layer.
  • the reinforcement network described offers little help, in particular when creating a floor-to-ceiling slab, which usually has upper and lower reinforcement. It was hardly possible to connect a floor-to-ceiling slab to a curved or curved wall with such reinforcement baskets. If you bend the longitudinal bar, which connects the reinforcing bars bent at right angles to each other, it twists. The legs of the right angle bent reinforcing bars will then point in all directions. The next step was to align all of the legs by hand. A labor saving was therefore not achieved.
  • a reinforcing basket for creating a connection between the reinforcements of a floor-ceiling slab and a wall which consists of a number of long, parallel, equally spaced, right-angled crossbars, the leg ends of each through a longitudinal rod are connected to one another, and from short transverse rods which are bent at right angles and arranged at least approximately centrally between these long transverse rods.
  • the one, short leg of the short crossbars runs in the plane of one of the legs of the long crossbar, while the longer leg of the short crossbar is arranged parallel to the other leg of the longer crossbar.
  • Such an element is versatile and easy to connect to the flat nets in the floor-ceiling tiles and in the adjoining wall.
  • the element is extremely torsion-resistant and is only suitable for connecting the floor-ceiling slab to a straight wall.
  • a base plate can be realized which has a base plate base protruding towards the pressure side.
  • the prefabricated reinforcement cage according to the invention can advantageously be produced from cross and additional cross bars, all of which have the same diameter. This diameter is usually 7 mm. In certain cases, however, the reinforcement cage can also be made from cross bars with a diameter of preferably 7 mm and from additional cross bars with a diameter of preferably 7.5 mm. This again results in an increased iron cross-section per linear meter, although the production system does not have to be converted because the welding times in particular can be maintained.
  • FIG. 1 shows the unbent network for creating the reinforcement cage according to the invention. It consists of a number of parallel crossbars 1 arranged at equal intervals and of equal length, additional crossbars 2 arranged centrally between two adjacent crossbars. 4.5 connected.
  • a first longitudinal rod 4 connects the end ends of all the transverse rods 1 and all the additional transverse rods 2.
  • An additional longitudinal rod 5 runs parallel to the first longitudinal rod 4 at a slight distance from it and in turn connects all the transverse rods 1 and all the additional transverse rods 2.
  • a further longitudinal bar 3 is arranged, which in turn is welded together with all cross bars and all additional cross bars.
  • the entire first reinforcement network N 1 thus consists of n cross bars 1 and n-1 additional cross bars 2 and a total of three longitudinal bars 3, 4, 5.
  • This network N 1 is formed by two bends in the reinforcement cage according to the invention.
  • the first bend takes place along the bending line B 1 , which approximately coincides with the central longitudinal bar 3.
  • This bending line B 1 preferably runs between the two longitudinal bars 3 and 5, but as close as possible to the longitudinal bar 3 arranged approximately centrally with respect to the length of the transverse bars.
  • a second bending line B 2 runs parallel to the first bending line B 1 , the two bending lines correspondingly running the distance of the outer reinforcement and inner reinforcement of a wall W.
  • the cross bars 1 are L-shaped and the additional cross bars 2 are U-shaped.
  • the two outer longitudinal bars 4 and 5, which run relatively close to one another, thus run in the outer reinforcement of the wall W to be created.
  • the third longitudinal bar 3 lies perpendicularly below the two longitudinal bars 4 and 5, but in the base plate P.
  • the finished bent thus forms Reinforcement basket about an F-shaped structure. It is essential that all longitudinal bars 3, 4, 5 are vertically one above the other in the finished reinforcement cage. These vertical bars arranged one above the other now define a plane, namely the plane of curvature K 1 .
  • the finished reinforcement cage according to the invention can now be laid in the plane of curvature K 1, curved inwards or outwards. Because, in addition, only a single longitudinal bar 3 is present in the floor-to-ceiling slab P to be created, and this is arranged at the level of the lower reinforcement to be installed in the floor-to-ceiling slab, the reinforcement cage according to the invention can be combined with a further reinforcement network N 2 almost as desired .
  • This freedom of combination is increased by attaching the additional longitudinal rod 5, which runs close to the terminally arranged longitudinal rod 4, in such a way that it is arranged approximately at the level of the ends of the additional transverse rods 2 bent upward when the reinforcement cage is bent. As a result, almost any additional reinforcement network N 2 can be inserted into the reinforcement cage of the invention that has already been laid.
  • FIG. 1 Such a combination, also according to the invention, is shown in FIG.
  • the F-shaped reinforcement cage consisting of the cross bars 1, the additional cross bars 2 and the longitudinal bars 3, 4 and 5 is laid so that the parallel legs of the U-shaped bent cross bars 2 project vertically upwards and one for connecting networks to be laid outer and inner reinforcement in the wall W are provided.
  • One leg of the L-shaped curved crossbars 1 runs at the level of the lower reinforcement to be installed in the floor-ceiling plate P.
  • the reinforcement basket according to the invention is here with a second reinforcement basket, consisting of the reinforcement network N 2 combined.
  • This reinforcement network N 2 consists of a plurality of U-shaped brackets with two parallel legs 11, 12 of equal length, which are connected to one another via a vertical connecting section 15.
  • the upper legs 11 of the U-shaped bracket in the installed state are connected to one another via a longitudinal connecting rod 14, while the lower parallel legs 12 in the installed state are connected to one another with a connecting rod 13 running in the longitudinal direction.
  • Both connecting rods 13, 14 are arranged exactly vertically one above the other and together define a second plane of curvature K 2 .
  • This plane of curvature K 2 runs parallel and at a distance from the first plane of curvature K 1 of the reinforcement cage according to the invention.
  • the reinforcing mesh N 2 can thus be adapted to any curvature of the reinforcing cage.
  • the reinforcement net N 2 can easily penetrate the reinforcement basket in the area of the floor-ceiling slab.
  • the floor-ceiling plate P can now be formed with a base S projecting on the pressure-loaded side of the wall W.
  • Such a design has so far not been possible with known prefabricated reinforcement baskets, regardless of whether the pressure-loaded wall W was straight or curved.
  • FIG. 3 shows a variant of the reinforcement cage according to FIGS. 1 and 2.
  • the cross bars 1 and the additional cross bars 2 are no longer of the same length.
  • the elongated cross bars 1 ' protrude from the additional cross bars 2 by a certain distance.
  • These protruding ends of the elongated cross bars 1 ' are connected to one another by a longitudinal bar, the longitudinal bar being cut in each case between two parallel adjacent elongated cross bars 1'.
  • Each elongated crossbar end is provided with a longitudinal bar section 6.
  • These longitudinal rod sections 6 result in improved anchoring in the floor-ceiling plate P. They are also particularly suitable for attaching reinforcement mats for the lower reinforcement in the floor-ceiling plate.
  • the reinforcement cage according to the invention can be used both for curved and straight pressure-loaded walls.
  • Reinforcement nets N 2 can also be attached here, which are suitable for molding a base S projecting on the pressure side to the floor-ceiling plate P.
  • FIGS. 5 and 6 a third embodiment of the reinforcing cage according to the invention is shown in FIGS. 5 and 6, in which case elongated cross bars 1 'are used which project on one side over the additional cross bars 2.
  • the reinforcement cage can be combined with a second reinforcement net N 2 .
  • this connecting network N 2 can be connected to the reinforcement cage according to the invention in such a way that one or more connecting bars 16 extend into the area between the two parallel legs of the U-shaped additional cross bars 2 come to rest. In this way, a base S on the pressurized side of the wall can also be attached to the floor-ceiling plate P above.
  • all cross bars and all additional cross bars will be dimensioned the same. You can preferably go down to a diameter of 7 mm. This allows a greater density of parallel irons compared to known networks. This allows a particularly efficient production compared to known networks, where one worked with crossbars when used in pressure-loaded walls, which considerably had a larger cross-section, namely about 12 to 14 mm. Compared to the solution according to the invention, this means a considerably longer welding time.
  • the reinforcement ratio between the outer reinforcement and the inner reinforcement is also optimal in the solution according to the invention.
  • the diameter of the longitudinal bars is selected to be thinner than the diameter of the transverse bars and additional transverse bars, preferably a diameter of approximately 5 mm. This choice is necessary in order to achieve sufficient strength and, on the other hand, usable flexibility in order to adapt the reinforcement cage to the curvature of the wall to be created.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Ropes Or Cables (AREA)
  • Metal Rolling (AREA)
EP97810239A 1996-05-22 1997-04-17 Cage d'armature préfabriquée Expired - Lifetime EP0808960B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1289/96 1996-05-22
CH128996 1996-05-22
CH128996 1996-05-22

Publications (2)

Publication Number Publication Date
EP0808960A1 true EP0808960A1 (fr) 1997-11-26
EP0808960B1 EP0808960B1 (fr) 2000-06-28

Family

ID=4206954

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810239A Expired - Lifetime EP0808960B1 (fr) 1996-05-22 1997-04-17 Cage d'armature préfabriquée

Country Status (3)

Country Link
EP (1) EP0808960B1 (fr)
AT (1) ATE194199T1 (fr)
DE (1) DE59701930D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108972872A (zh) * 2018-07-27 2018-12-11 上海市政工程设计研究总院（集团）有限公司 一种用于桥梁构件的网片化钢筋骨架笼

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0421925A2 (fr) * 1989-10-04 1991-04-10 Davum Sa Crissier Cage d'armature
CH685784A5 (de) * 1992-03-03 1995-09-29 Nihat Sazan Armierungskorb.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0421925A2 (fr) * 1989-10-04 1991-04-10 Davum Sa Crissier Cage d'armature
CH685784A5 (de) * 1992-03-03 1995-09-29 Nihat Sazan Armierungskorb.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108972872A (zh) * 2018-07-27 2018-12-11 上海市政工程设计研究总院（集团）有限公司 一种用于桥梁构件的网片化钢筋骨架笼
CN108972872B (zh) * 2018-07-27 2022-08-23 上海市政工程设计研究总院（集团）有限公司 一种用于桥梁构件的网片化钢筋骨架笼

Also Published As

Publication number Publication date
EP0808960B1 (fr) 2000-06-28
DE59701930D1 (de) 2000-08-03
ATE194199T1 (de) 2000-07-15

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