EP2381045A1 - Mechanische Verbindung für vorgefertigte Gegenstände aus Stahlbeton sowie Herstellungsverfahren dafür - Google Patents

Mechanische Verbindung für vorgefertigte Gegenstände aus Stahlbeton sowie Herstellungsverfahren dafür Download PDF

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Publication number
EP2381045A1
EP2381045A1 EP11162573A EP11162573A EP2381045A1 EP 2381045 A1 EP2381045 A1 EP 2381045A1 EP 11162573 A EP11162573 A EP 11162573A EP 11162573 A EP11162573 A EP 11162573A EP 2381045 A1 EP2381045 A1 EP 2381045A1
Authority
EP
European Patent Office
Prior art keywords
plate
anchoring
hole
mechanical connection
bar
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
EP11162573A
Other languages
English (en)
French (fr)
Other versions
EP2381045B1 (de
Inventor
Roberto Ragozzini
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.)
Rurfim SRL
Original Assignee
Ruredil SpA
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Filing date
Publication date
Application filed by Ruredil SpA filed Critical Ruredil SpA
Publication of EP2381045A1 publication Critical patent/EP2381045A1/de
Application granted granted Critical
Publication of EP2381045B1 publication Critical patent/EP2381045B1/de
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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
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21—Connections specially adapted therefor
    • E04B1/215—Connections specially adapted therefor comprising metallic plates or parts

Definitions

  • the present invention relates to a mechanical connection for prefabricated articles of reinforced concrete (hereinafter known as r.c.), and a method for producing such articles able to be connected together by said mechanical connection.
  • Figures from 1 to 4 herein, taken from EP-A-1932979 show one embodiment of the relative mechanical connection. Specifically:
  • the mechanical connection shown therein comprises:
  • each anchoring hole 16, 17 and 18 there is also provided a washer 19, 20 and 21 disposed between the head of the socket-head screws 13, 14 and 15, and the plate 1.
  • said first anchoring means 3 comprise five substantially parallel anchoring bars disposed in pairs in proximity to each of the two anchoring holes 17 and 18, and one disposed in proximity to the anchoring hole 16. The near end of the anchoring bars 3 is welded to the face 7 of e first plate 1.
  • said second anchoring means 4 also comprise five substantially parallel bars, of which four are welded in pairs to each of the two sockets 11 and 12 and one to the corner socket 10.
  • the bars 3 and 4 are normally of steel, of the improved r.c. adherence type.
  • the second plate 2 can have a considerably smaller thickness than the first plate 1.
  • the bars of the first (3) and second (4) anchoring means must have a length such as to enable them to be superposed on the reinforcement rods of the relative article by an amount sufficient to enable these to receive by transmission those forces acting on the anchoring bars 3 and 4 (so-called transmission by bar superposing).
  • the object of the present invention is to obviate the aforedescribed drawbacks.
  • the mechanical connection according to the present invention which is of the aforedescribed type and is characterised in that the first and second anchoring means are different and are separated respectively from the first and second plate, and are provided with connection means of the type which enables the first and second anchoring means to be connected respectively to the first and second plate when necessary, for example after the first and/or second plate and the reinforcements of the relative article have been positioned in the respective casting forms.
  • connection means of the type which enables the first and second anchoring means to be connected respectively to the first and second plate when necessary, for example after the first and/or second plate and the reinforcements of the relative article have been positioned in the respective casting forms.
  • anchoring means are produced separated from the relative plates, they and the plates can be handled individually, with the advantage of being of decidedly lesser weight than said first and second assemblies comprising the anchoring means rigid with the relative plates from the start.
  • connection means can be used for this purpose according to the present invention.
  • said connection means can even consist of welding the anchoring bars to the respective first and second plate, the welding being done only when required, for example after positioning the first and/or second plate on the relative casting form and having also inserted the respective reinforcement of the actual article to be prefabricated.
  • connection means comprise outwardly flared though holes provided in the first and second plate, to insertingly receive from the outside (through a hole provided in the casting form) the corresponding anchoring bar, which has its outer end shaped as a flared head to be received in the corresponding said flared through hole.
  • the flared through hole presents a longitudinal cut enabling a tooth present on the lateral surface of the bar to pass through such as to form a connection of bayonet type between said bar and the relative plate.
  • the invention also relates to a method for producing prefabricated r.c. articles able to be connected together by the aforedescribed mechanical connection, this method comprising the following steps:
  • Figures 5-7 show only a small portion of the first (1) or second (2) plate (normally of steel) forming part of a mechanical connection of the type described in EP-A-1932979 , namely that plate portion in which an end part of an anchoring bar 3 or 4 ( Figure 8 ), forming part respectively of said first (3) or second (4) anchoring means, is connected to the relative plate 1 or 2.
  • this plate portion presents a through hole 50 which, in the specific illustrated example, presents (proceeding from the front surface 5, 6 to the rear surface 7, 8) a first cylindrical part 51, followed by a coaxial frusto-conical part 52 which enables the diameter of the remaining cylindrical coaxial part 53 of the hole 50 to be narrowed.
  • This operation of positioning the bar 3, 4 is carried out when the first (1) and/or second (2) plates forming part of said mechanical connection plus the reinforcement (normally totally or partially preassembled) of the relative article 30, 31 to be produced have already been applied in a predetermined position to the casting form (not shown) for forming a relative prefabricated article 30, 31.
  • this reinforcement can be positioned easily and rapidly without encountering obstacles, with consequent simplification of production and shortening of the relative times.
  • end 56 of the bar 3, 4 close to the tooth 55 is shaped with a head and comprises a cylindrical part 58 connected to the rest of the bar by a frusto-conical part 57.
  • the head 56 is able to be received within the cylindrical part 51 and frusto-conical part 52 of the hole 50 when a bar 3, 4 is completely inserted into this hole.
  • tooth 55 can be seen to be convenient, it is apparent that the tooth 55 can also be omitted, other means evidently being able to be used to prevent escape of the bar 3, 4 during casting.
  • a solution (already mentioned) for connecting the anchoring bar 3, 4 to the relative first (1) or second (2) plate such that the forces are transmitted from said bars to the plate and vice versa can also consist of simply welding the corresponding end of the bars 3, 4 to the respective plate 1, 2. It should be noted that this welding is carried out only when it is required, i.e. after those connection components relative to an article have been positioned in the corresponding casting form and before pouring the concrete into the form to cast the relative prefabricated article.
  • connection between the bars 3, 4 and the relative plates 1, 2 can be carried out after these plates have been positioned on the form and the reinforcement for the relative article has been inserted into this latter.
  • a threaded through hole can be provided into which the corresponding threaded end o the anchoring bars 3, 4 is screwed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP11162573A 2010-04-26 2011-04-15 Mechanische Verbindung für vorgefertigte Gegenstände aus Stahlbeton sowie Herstellungsverfahren dafür Active EP2381045B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000711A ITMI20100711A1 (it) 2010-04-26 2010-04-26 "collegamento meccanico per manufatti prefabbricati in conglomerato cementizio armato e procedimento per produrli"

Publications (2)

Publication Number Publication Date
EP2381045A1 true EP2381045A1 (de) 2011-10-26
EP2381045B1 EP2381045B1 (de) 2013-04-03

Family

ID=42676820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11162573A Active EP2381045B1 (de) 2010-04-26 2011-04-15 Mechanische Verbindung für vorgefertigte Gegenstände aus Stahlbeton sowie Herstellungsverfahren dafür

Country Status (2)

Country Link
EP (1) EP2381045B1 (de)
IT (1) ITMI20100711A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114753517A (zh) * 2022-04-15 2022-07-15 浙江省建工集团有限责任公司 一种装配式剪力墙及其施工方法
WO2023174514A1 (en) * 2022-03-15 2023-09-21 Leviat GmbH Precast shoe base and precast shoe
CN118223594A (zh) * 2024-05-10 2024-06-21 中国建筑第五工程局有限公司 一种装配式预制柱连接结构
WO2025224590A1 (en) * 2024-04-22 2025-10-30 Carlo Calisse Column shoe, buffer, reinforced connection, method for making a column

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1057950A2 (de) * 1999-06-04 2000-12-06 Pfeifer Holding GmbH & Co. KG Vorrichtung für das Verbinden zweier Bauteile
EP1857602A2 (de) * 2006-05-18 2007-11-21 Gerhard Krummel Vorrichtung zur Befestigung einer Betonstütze auf einem Fundament, insbesondere einem Betonfundament
EP1932979A2 (de) 2006-12-04 2008-06-18 Ruredil S.p.A. Mechanische Verbindung für Betonelemente

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1057950A2 (de) * 1999-06-04 2000-12-06 Pfeifer Holding GmbH & Co. KG Vorrichtung für das Verbinden zweier Bauteile
EP1857602A2 (de) * 2006-05-18 2007-11-21 Gerhard Krummel Vorrichtung zur Befestigung einer Betonstütze auf einem Fundament, insbesondere einem Betonfundament
EP1932979A2 (de) 2006-12-04 2008-06-18 Ruredil S.p.A. Mechanische Verbindung für Betonelemente

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023174514A1 (en) * 2022-03-15 2023-09-21 Leviat GmbH Precast shoe base and precast shoe
CN114753517A (zh) * 2022-04-15 2022-07-15 浙江省建工集团有限责任公司 一种装配式剪力墙及其施工方法
CN114753517B (zh) * 2022-04-15 2024-03-26 浙江省建工集团有限责任公司 一种装配式剪力墙及其施工方法
WO2025224590A1 (en) * 2024-04-22 2025-10-30 Carlo Calisse Column shoe, buffer, reinforced connection, method for making a column
CN118223594A (zh) * 2024-05-10 2024-06-21 中国建筑第五工程局有限公司 一种装配式预制柱连接结构

Also Published As

Publication number Publication date
ITMI20100711A1 (it) 2011-10-27
EP2381045B1 (de) 2013-04-03

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