EP0251943A1 - Bewehrungseinheit für Stahlbeton - Google Patents

Bewehrungseinheit für Stahlbeton Download PDF

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Publication number
EP0251943A1
EP0251943A1 EP87420164A EP87420164A EP0251943A1 EP 0251943 A1 EP0251943 A1 EP 0251943A1 EP 87420164 A EP87420164 A EP 87420164A EP 87420164 A EP87420164 A EP 87420164A EP 0251943 A1 EP0251943 A1 EP 0251943A1
Authority
EP
European Patent Office
Prior art keywords
module
frames
frame
module according
modules
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
EP87420164A
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English (en)
French (fr)
Other versions
EP0251943B1 (de
Inventor
Daniel Penicaut
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.)
A MURE ETS
Original Assignee
A MURE ETS
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 A MURE ETS filed Critical A MURE ETS
Priority to AT87420164T priority Critical patent/ATE51264T1/de
Publication of EP0251943A1 publication Critical patent/EP0251943A1/de
Application granted granted Critical
Publication of EP0251943B1 publication Critical patent/EP0251943B1/de
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
    • E04C5/0609—Closed cages composed of two or more coacting cage parts, e.g. transversally hinged or nested parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups

Definitions

  • the present invention relates to a reinforcement module for reinforced concrete, in the general form of a straight tube with a U-section.
  • Such elements can also be custom-made either in the factory or on the site. Manufacturing then goes through the following successive phases: - cutting from bars of a certain length, which results in a certain percentage of falls, - shaping, - assembly.
  • the object of the invention is to propose a reinforcement module of simple shape of straight tube with U-section, which is of simplified manufacture compared to the known prior art, thanks in particular to a noticeable simplification of the assembly phase.
  • a reinforcement module of simple shape of straight tube with U-section, which is of simplified manufacture compared to the known prior art, thanks in particular to a noticeable simplification of the assembly phase.
  • such a module is characterized in that it comprises, fixed to two strands at each end of the horizontal lower branch of the U, forming the two lower strands of the module, a series of U-shaped frames spaced apart and placed one behind the other, at least two of these frames each being double and composed of two frames arranged in such a way that their upper parts, constituting the free ends of the two vertical branches of the U, are arranged in a complementary and elastic manner for allows be to wedge there two other strings parallel to the first two and respectively vertically vertical to each of these, then constituting the two upper strands of the module.
  • a module 1 according to the invention is a metal frame for reinforced concrete, with a general U-shaped section.
  • Each double frame 6 is composed of two frames 5 ⁇ , 8, placed side by side or very slightly apart, made of steel wire with elasticity, hardened by wire drawing as is the case for frames 5.
  • the 5 cadres frames are identical to frames 5.
  • the frames 8 comprise, from bottom to top in FIG. 1 for each of their two lateral branches, successively a first rectilinear part 9 and returning in a gentle slope towards the inside of the frame, then a second part 10 substantially vertical, then a last rectilinear part 11 which suddenly flares outwards as shown. Between each part 11 and the corresponding curved branch 7 of each free end of the frame 5 ⁇ is then formed a space 12 in which one can come to wedge elastically one of the two upper strands 14,15.
  • the two lateral branches of the frame 8 are moved outwards, which considerably enlarges the spaces 12, the threads 14, 15 are threaded into each of these spaces, then these two lateral branches are allowed to return to their initial position. , which clamps energetically by elastic pressure each of the struts 14,15 in the spaces 12.
  • FIGS. 3 to 6 another example of application of the basic module of FIG. 2, allowing the fabrication of a metal frame for beams of rectangular section and of fairly large width.
  • the following operation consists, without moving the module 16, of engaging the module 1 in the latter as shown in FIG. 4.
  • the module 1 is then rotated to align it with the module 16, then, after having removed its two re-entrant lateral branches (9-11 in FIG. 1), it is pull to the right in the drawing to embed the two right-hand threads 17,18 of the module 16 in the brackets 7, and then the two re-entrant branches are released to cause the two threads 17,18 to be jammed as we had, for the realization of Figure 1, stuck the two strands 14,15.
  • This last operation takes the form of the final position shown diagrammatically in FIG. 6, where the module 1 is keyed onto the module 16 to form an armature 31.
  • FIG. 7 shows how the modules 1 of the invention can be packaged by fitting into each other, eight modules being shown in this drawing. Thanks to the double frames 6, the modules cannot hang on to each other, so that their use is greatly facilitated. Furthermore, the modules can thus be transported in reduced volume, which constitutes an appreciable advantage.
  • FIG. 8 shows a frame 30 for a wide U-shaped beam produced by assembling five modules 1 of the invention, all of square shape in this example, that is to say of lateral branches of the U of the same length as the transverse branch of this U.
  • FIG. 9 shows an armature for a part with an approximately S-section, produced by assembling 32 of four modules 1, also each of square appearance, and of a conventional element 19 with an equilateral triangle section.
  • FIG. 10 shows a frame for a section with a staircase section, produced by assembling 33 of seven modules 1 according to FIG. 2, of a similar module 20, but with a square appearance instead of rectangular, and a module 21 of the prior art, with square section.
  • FIGS. 11 and 12 a module, quite specific but in accordance with the invention, intended to form the frame of a beam with six threads, and with frames distributed in a non-uniform manner for normally more variable cutting forces. important towards the two ends of the beam only in the middle.
  • beams in particular comprise a base 23 formed by two struts parallel 22, with curved ends, and assembled by crosspieces 24 to form a sort of ladder.
  • base On this base are normally welded rectangular metal frames, irregularly spaced to be denser at the ends, two other threads 25 then being welded to the frames.
  • FIG. 13 represents another embodiment, according to the invention, of a module according to FIGS. 1 and 2.
  • a module differs from that of FIG. 1 by the following characteristics: the two lateral branches of the U of the two frames 5 ⁇ and 8 of at least two of the double frames formed of steel wires of equal lengths, -
  • Each part 11 is extended outwards, on either side of the frame, by a part 11 ⁇ giving the end of the branch a flared shape and furnished at its end with a plastic tip 26, obtained by soaking in a manufacturing bath.
  • the extensions 11 ⁇ , fitted with end pieces 26, allow the module to bear, at the time of pouring, on the side panels, and thus rigorously wedge the reinforcement in position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Panels For Use In Building Construction (AREA)
  • Wire Processing (AREA)
EP87420164A 1986-06-17 1987-06-16 Bewehrungseinheit für Stahlbeton Expired - Lifetime EP0251943B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87420164T ATE51264T1 (de) 1986-06-17 1987-06-16 Bewehrungseinheit fuer stahlbeton.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8609140 1986-06-17
FR8609140A FR2600100B1 (fr) 1986-06-17 1986-06-17 Module d'armature pour beton arme

Publications (2)

Publication Number Publication Date
EP0251943A1 true EP0251943A1 (de) 1988-01-07
EP0251943B1 EP0251943B1 (de) 1990-03-21

Family

ID=9336652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87420164A Expired - Lifetime EP0251943B1 (de) 1986-06-17 1987-06-16 Bewehrungseinheit für Stahlbeton

Country Status (5)

Country Link
EP (1) EP0251943B1 (de)
AT (1) ATE51264T1 (de)
DE (2) DE3761991D1 (de)
ES (1) ES2002703B3 (de)
FR (1) FR2600100B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU649985B2 (en) * 1989-12-22 1994-06-09 Aquila Steel Company Limited A prefabricated reinforcement system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB137053A (de) * 1900-01-01
FR466198A (fr) * 1913-08-27 1914-05-06 William Russell Kerr Système d'assemblage des tirants et barres de tension employés dans les constructions en béton armé
US1379625A (en) * 1918-07-05 1921-05-31 Rudolph B Hartman Reinforced concrete construction
CH410353A (de) * 1964-01-15 1966-03-31 Zander Siegfried Geschweisster Bewehrungskorb mit einer Schalungshaut
FR2088529A2 (de) * 1970-05-12 1972-01-07 Oroschakoff Georgi
FR2352928A1 (fr) * 1976-05-26 1977-12-23 Mure Ets Armature metallique pour constructions en beton arme
DE2947344A1 (de) * 1979-11-23 1981-05-27 Reent 4970 Bad Oeynhausen Obernolte Bewehrung fuer betonbalken

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB137053A (de) * 1900-01-01
FR466198A (fr) * 1913-08-27 1914-05-06 William Russell Kerr Système d'assemblage des tirants et barres de tension employés dans les constructions en béton armé
US1379625A (en) * 1918-07-05 1921-05-31 Rudolph B Hartman Reinforced concrete construction
CH410353A (de) * 1964-01-15 1966-03-31 Zander Siegfried Geschweisster Bewehrungskorb mit einer Schalungshaut
FR2088529A2 (de) * 1970-05-12 1972-01-07 Oroschakoff Georgi
FR2352928A1 (fr) * 1976-05-26 1977-12-23 Mure Ets Armature metallique pour constructions en beton arme
DE2947344A1 (de) * 1979-11-23 1981-05-27 Reent 4970 Bad Oeynhausen Obernolte Bewehrung fuer betonbalken

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU649985B2 (en) * 1989-12-22 1994-06-09 Aquila Steel Company Limited A prefabricated reinforcement system

Also Published As

Publication number Publication date
FR2600100B1 (fr) 1988-08-26
DE3761991D1 (de) 1990-04-26
ATE51264T1 (de) 1990-04-15
DE251943T1 (de) 1988-11-03
ES2002703B3 (es) 1990-05-16
ES2002703A4 (es) 1988-10-01
FR2600100A1 (fr) 1987-12-18
EP0251943B1 (de) 1990-03-21

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