EP2075388A1 - Eléments d'armature et pièces en béton armé ou précontraint ainsi produites avec ces éléments d'armature - Google Patents

Eléments d'armature et pièces en béton armé ou précontraint ainsi produites avec ces éléments d'armature Download PDF

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Publication number
EP2075388A1
EP2075388A1 EP09005165A EP09005165A EP2075388A1 EP 2075388 A1 EP2075388 A1 EP 2075388A1 EP 09005165 A EP09005165 A EP 09005165A EP 09005165 A EP09005165 A EP 09005165A EP 2075388 A1 EP2075388 A1 EP 2075388A1
Authority
EP
European Patent Office
Prior art keywords
steel
component
reinforcing
prestressed concrete
reinforcement
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
EP09005165A
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German (de)
English (en)
Other versions
EP2075388B1 (fr
Inventor
Gerd Prof.Dr. Ing. Günther
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.)
Technische Hochschule Mittelhessen
Original Assignee
Fachhochschule Giessen Friedberg
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 Fachhochschule Giessen Friedberg filed Critical Fachhochschule Giessen Friedberg
Publication of EP2075388A1 publication Critical patent/EP2075388A1/fr
Application granted granted Critical
Publication of EP2075388B1 publication Critical patent/EP2075388B1/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
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/18—Spacers of metal or substantially of metal
    • 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
    • E04C5/0645—Shear reinforcements, e.g. shearheads for floor slabs
    • 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
    • E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form

Definitions

  • the invention relates to a reinforcing element according to the preamble of claim 1 and to a steel or prestressed concrete part produced therewith according to the preamble of claim 10.
  • a supported reinforced concrete ceiling is u.a. in the area of the floor supports a shear reinforcement for shear protection necessary.
  • shear reinforcements made of reinforcing steel with reinforcing elements in the form of S-hooks (although no longer permitted according to DIN 1045) or ironing, dowel strips, double-headed dowels, lattice girders, Tobler Walm, Geilinger collar, ironing mats, crack star and the like.
  • a shear reinforcement with reinforcing elements in the form of S-hooks or straps must enclose a mostly existing Biegel Kunststoffsbewehrung for reasons of poor anchoring to prevent tearing of the shear reinforcement. It should be noted that only a moderate increase in shear force capacity is achieved. The installation of the reinforcing elements is complicated and therefore expensive. In addition, conventional reinforcing elements, such as e.g. Temple, with high reinforcement levels and high shear reinforcement proportion as no longer installable.
  • dowel strips are usually placed on the lower formwork, so that - if present - the lower reinforcement layer is covered by the strip cross-section.
  • the exact position and fixation of the strip is decisive for the load-bearing behavior, which is not always guaranteed on the construction site.
  • the dowel strips are welded individual productions which, in relation to the very high costs, produce a barely detectable increase in the lateral force carrying capacity.
  • fasteners or spacers for the upper and lower reinforcement layers are off DE-U1-71 18 881 .
  • DE-OS 2,111,243 or DE-OS-1 913 104 known.
  • these elements do not serve as reinforcing elements, but only to fix the provided in the concrete part reinforcing bars before pouring concrete in a desired position or position. On the puncture resistance or even on the load capacity of the concrete pavement this has no influence.
  • the object of the invention is to overcome these and other disadvantages of the prior art and to provide reinforcing elements for installation in steel or prestressed concrete parts, which are simple in construction and inexpensive to produce.
  • the aim is also a good anchoring of the reinforcing elements between the reinforcing bars, the installation should be carried out quickly and easily.
  • the reinforcing elements should noticeably increase the stability, in particular the transversal load carrying capacity of the component.
  • the steel or prestressed concrete part should also be inexpensive to produce and easy to handle.
  • the core of the invention forms a reinforcing element in the form of a sheet-like component, which connects the upper and lower reinforcing layers located within a concrete part to the surfaces by means of suitable upper and lower holding means.
  • the reinforcing elements can be manufactured as simple free-falling stampings, which are to be provided with further folds if necessary. This allows a very cost-effective production, which also has a favorable effect on the production costs for the concrete parts.
  • the reinforcement elements are easy to handle and quick to assemble. They just need to be hung. Special skills or skills, such as those required for welding, are not required.
  • the holding means may be designed as bores, as lateral recesses of the sheet-like component and / or as bends, which comprise at least the respective innermost reinforcement layer above and below in the presence of more than one upper and more than one lower reinforcement layer.
  • reinforcing elements of this type if they are installed according to the invention in interaction with the reinforcement layers within a concrete part, in addition to the puncture resistance above all significantly increase the transverse force carrying capacity over conventional constructions.
  • Fig. 1 This in Fig. 1 generally designated 10 reinforcing element is intended for use in a (not shown here) steel or prestressed concrete component 1. It has as the main part 12 a simple flat body made of structural steel, which has a recess 30 in its upper region 14 and in its lower region 15. The latter is formed by a slot which is open to the lateral longitudinal edge 16 of the flat body 12 and extends approximately from the longitudinal center of M perpendicular thereto.
  • Each recess 30 forms a holding means 20 for a (also not shown here) reinforcing element S, in particular for a reinforcing bar an upper and lower reinforcing layer Bo, Bu in the steel or prestressed concrete part 1 (see Fig. 26). These lie in each case on the (also unspecified) component surfaces. They are formed by at least one inner layer Bo_y, Bu_y and at least one outer layer Bo_x, Bu_x running perpendicular thereto.
  • the flat body 12 with its laterally open recesses 30 is simply attached to two reinforcing rods S of the inner layers Bo_y, Bu_y which lie directly above one another and extend in the same direction, so that each reinforcing bar S is at least partially enclosed.
  • the clear height of the recesses 30 is dimensioned so that the flat body 12 is firmly seated with friction on the reinforcing rods S and can not be solved during the pouring of the concrete.
  • each reinforcing element 10 with its flat body 12 is always transversely, preferably perpendicular to the reinforcing bars S and extends substantially over the thickness of the steel or prestressed concrete part 1, to at least above and below the innermost of at least an inner layer Bo_y, Bu_y of the upper and lower reinforcement layer Bo, Bu. The latter are thereby positively connected with each other.
  • reinforcing elements 10 Another advantage of the reinforcing elements 10 is that they can be made, for example, as free-falling stampings thanks to their simple geometry, which further reduces the manufacturing costs. They can be installed quickly and easily at any time, with no special expertise or skills necessary. This also significantly reduces the production costs for the steel or prestressed concrete part 1 to be produced.
  • the reinforcing element 10 has a slot 30 in its upper region 14 as holding means 20, while in the lower region 15 a round or oval recess 30 is provided.
  • FIG Fig. 2 Another important embodiment of the reinforcing element 10 according to the invention is shown in FIG Fig. 2 shown.
  • the holding means 20 is formed in the upper region 14 of the sheet-like body by a simple folded edge 40 formed on the end side. This preferably encloses a reinforcing bar S of the outer layer Bo_x the upper reinforcement layer Bo.
  • the holding means 20 in the lower region 15 of the planar body 12 is an L-shaped recess 30 which encloses a reinforcing bar S of the inner layer Bu_y of the lower reinforcement layer Bu.
  • FIG. 3a to 3b show the holding means 20 in the form of recesses 30 and folds 40 almost arbitrarily combine with each other, wherein reinforcing rods S of the inner and outer layers Bo_y, Bu_y, Bo_x, Bu_x can also be detected simultaneously.
  • Fig. 3a is the integrally formed in the upper region 14 fold 40 angled backwards, while the fold 40 in the lower region 15 points forward.
  • the reinforcing element 10 thus has - as in Fig. 3b to recognize - in cross section a substantially Z-shaped shape.
  • the bends 40 may also be formed double or multiple.
  • the embodiment of Fig. 4 shows that in the upper and lower regions 14, 15 of the flat body 12 symmetrically to the longitudinal center M four recesses 30 are provided as a holding means 20, which enclose the reinforcing rods S form fit.
  • the recesses 30 are not open to the longitudinal edges 16, that is, the reinforcing rods S are inserted substantially perpendicularly into the flat body 12.
  • Additional folds 40 surround as additional retaining means 20, the respective outer layer Bo_x, Bu_x the upper and lower reinforcement layer Bo, Bu, so that the reinforcing elements 10 are optimally integrated into the steel or prestressed concrete part 1 to increase the shear capacity.
  • its ductility increases with transverse force stress.
  • the reinforcing elements 10 can also enclose more than four reinforcing rods S.
  • the planar body 12 is to be lengthened transversely to its longitudinal center M and provided with the required number of holding means 20.
  • the number and size of the components 10 are to be dimensioned in order to achieve the required puncture resistance, e.g. in the area of a column. In any case, results for the component 1 a significantly increased lateral force capacity.
  • the reinforcing elements 10 can also be made of other materials, e.g. Sheet steel, plastic, or composite material are manufactured. Also, you can form the reinforcing elements 10 and their flat body 12 extends transversely to the longitudinal center M extended to surround in this way a plurality of reinforcing bars S of the upper and lower reinforcing layers Bo, Bu simultaneously.
  • the reinforcing elements 10 are always flat, possibly folded at the ends or in the middle, sheet metal parts which have holding means for receiving or enclosing the reinforcing rods S of an upper and lower reinforcement layer Bo, Bu in the upper and lower regions ,
  • the installation is carried out without complex welding or assembly work, the upper and lower reinforcing layers Bo, Bu are connected by the reinforcing elements 10 in the pulling direction non-positively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Rod-Shaped Construction Members (AREA)
EP09005165.7A 2003-03-10 2004-03-09 Eléments d'armature et pièces en béton armé ou précontraint ainsi produites avec ces éléments d'armature Expired - Lifetime EP2075388B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10310715A DE10310715A1 (de) 2003-03-10 2003-03-10 Erfindung betreffend Bauteile als Bewehrungselemente sowie daraus hergestellte Betonteile
EP04718614A EP1601842B1 (fr) 2003-03-10 2004-03-09 Elements d'armature et pieces en beton arme ou precontraint produites avec ces elements d'armature

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP04718614.3 Division 2004-03-09
EP04718614A Division EP1601842B1 (fr) 2003-03-10 2004-03-09 Elements d'armature et pieces en beton arme ou precontraint produites avec ces elements d'armature

Publications (2)

Publication Number Publication Date
EP2075388A1 true EP2075388A1 (fr) 2009-07-01
EP2075388B1 EP2075388B1 (fr) 2013-09-11

Family

ID=32945865

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04718614A Expired - Lifetime EP1601842B1 (fr) 2003-03-10 2004-03-09 Elements d'armature et pieces en beton arme ou precontraint produites avec ces elements d'armature
EP09005165.7A Expired - Lifetime EP2075388B1 (fr) 2003-03-10 2004-03-09 Eléments d'armature et pièces en béton armé ou précontraint ainsi produites avec ces éléments d'armature

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP04718614A Expired - Lifetime EP1601842B1 (fr) 2003-03-10 2004-03-09 Elements d'armature et pieces en beton arme ou precontraint produites avec ces elements d'armature

Country Status (7)

Country Link
US (1) US20070101672A1 (fr)
EP (2) EP1601842B1 (fr)
JP (1) JP2006519944A (fr)
AT (1) ATE483077T1 (fr)
CA (1) CA2541978C (fr)
DE (2) DE10310715A1 (fr)
WO (1) WO2004081313A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI121677B (fi) * 2004-12-08 2011-02-28 Teraespeikko Oy Lävistysraudoite
FI121678B (fi) * 2004-12-09 2011-02-28 Teraespeikko Oy Lävistysraudoite
KR20080107082A (ko) * 2007-06-05 2008-12-10 삼성물산 주식회사 양방향 프리스트레싱 시스템
GB2460674A (en) * 2008-06-04 2009-12-09 Wembley Innovation Ltd Masonry bracket
CA2727295A1 (fr) * 2008-06-12 2009-12-17 University Of Utah Research Foundation Elements de renforcement allonges pour ancrage, raccordement et mise en tension
US8904721B2 (en) * 2008-06-12 2014-12-09 University Of Utah Research Foundation Anchoring, splicing and tensioning elongated reinforcement members
US9716918B1 (en) 2008-11-10 2017-07-25 Winview, Inc. Interactive advertising system
DE102009056830A1 (de) * 2009-07-31 2011-02-03 Fachhochschule Gießen-Friedberg Stahlbetonbauteil mit Bewehrung aus Z-förmigen Blechteilen
DE202009018538U1 (de) 2009-07-31 2011-12-16 Technische Hochschule Mittelhessen Stahlbetonbauteil mit Bewehrung aus L-förmigen Blechteilen
CA2793733A1 (fr) 2010-04-13 2011-10-20 The University Of Utah Research Foundation Appareil et systemes d'attachement de feuille et de tige
WO2014172367A1 (fr) * 2013-04-16 2014-10-23 Hawkeye Concrete Products Co. Distancier de cage de produit en béton
PL2940227T3 (pl) * 2014-04-30 2021-11-02 Technische Hochschule Mittelhessen Płaski element konstrukcyjny, element zbrojenia na siłę poprzeczną oraz element konstrukcyjny z żelazobetonu/betonu sprężonego ze zbrojeniem na siłę poprzeczną z takich elementów zbrojenia na siłę poprzeczną
CN107386536A (zh) * 2017-09-14 2017-11-24 林侯申 混凝土保护层用垫块
CN114753566A (zh) * 2022-05-05 2022-07-15 易建网科技有限公司 一种高耐候钢保温连接件

Citations (10)

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Publication number Priority date Publication date Assignee Title
US1684195A (en) * 1926-11-23 1928-09-11 Russell C Olmsted Reenforcement for concrete structures
GB606288A (en) * 1946-01-02 1948-08-11 Jones William T Improvements in metal reinforcements, more particularly for reinforced concrete structures
US3238684A (en) * 1962-01-19 1966-03-08 Wood John Peter Reinforcement and shuttering assembly for concrete
DE1913104A1 (de) 1968-03-15 1969-10-02 Alplast Produkter Rohrfoermiger Abstandhalter
DE7118881U (de) 1971-05-14 1971-08-05 Wochner A Verbindungselement für Betonarmierun gen
DE2111243A1 (de) 1970-11-18 1972-05-25 August Keller Abstandhalter fuer Betonarmierungen
US4283896A (en) * 1978-11-15 1981-08-18 Siegfried Fricker Tie anchor for sandwich panels of reinforced concrete
DE8708056U1 (de) * 1987-06-06 1988-01-14 Steimle, Alois, 7240 Horb Verbinder und Abstandhalter für Baustahlmatten
DE29814923U1 (de) 1998-08-20 2000-01-05 Lösch GmbH Betonwerke, 67098 Bad Dürkheim Abstandhalter für Bewehrungen von Betonbauelementen
DE20211116U1 (de) * 2002-07-23 2002-09-12 Frisch, Hans, 89343 Jettingen-Scheppach Halteanker

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US1063663A (en) * 1912-03-16 1913-06-03 Anthony Elton Davis Device for positioning rods in concrete structure.
US1079829A (en) * 1912-08-13 1913-11-25 Russell B Bennett Composition fence-post.
GB166172A (en) * 1917-09-06 1921-07-11 Richard Henry Annison Improvements in reinforced concrete structures
US1492441A (en) * 1920-04-09 1924-04-29 Hydraulic Pressed Steel Co Metallic reenforcement for concrete
US1835806A (en) * 1929-06-24 1931-12-08 Olmsted Chair and spacer for concrete reenforcements
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DE3325352A1 (de) * 1983-07-14 1985-02-21 Fricker, Siegfried, 7135 Wiernsheim Verbundanker einer schichtverbundplatte zur herstellung von gebaeudewaenden
JPS6029856U (ja) * 1983-08-05 1985-02-28 石川ピ−シ−工業株式会社 建築用型枠保持具
AU556546B2 (en) * 1984-03-28 1986-11-06 Bela Bogar Spacers for concrete reinforcing elements
US4765109A (en) * 1987-09-25 1988-08-23 Boeshart Patrick E Adjustable tie
JPH0351080U (fr) * 1989-09-26 1991-05-17
JPH0410664U (fr) * 1990-05-17 1992-01-29
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JPH0827956A (ja) * 1994-07-12 1996-01-30 Fujita Corp Ｗスペーサーとｗスペーサーを用いた壁厚の調整方法
JPH09235878A (ja) * 1996-03-01 1997-09-09 Tohoku Shizai Kogyo Kk 壁構築用セパレータ
JPH10280683A (ja) * 1997-03-31 1998-10-20 Akira Fukushima レベル金具兼セパレーターボルト金具兼スペーサー金具。
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Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1684195A (en) * 1926-11-23 1928-09-11 Russell C Olmsted Reenforcement for concrete structures
GB606288A (en) * 1946-01-02 1948-08-11 Jones William T Improvements in metal reinforcements, more particularly for reinforced concrete structures
US3238684A (en) * 1962-01-19 1966-03-08 Wood John Peter Reinforcement and shuttering assembly for concrete
DE1913104A1 (de) 1968-03-15 1969-10-02 Alplast Produkter Rohrfoermiger Abstandhalter
DE2111243A1 (de) 1970-11-18 1972-05-25 August Keller Abstandhalter fuer Betonarmierungen
DE7118881U (de) 1971-05-14 1971-08-05 Wochner A Verbindungselement für Betonarmierun gen
US4283896A (en) * 1978-11-15 1981-08-18 Siegfried Fricker Tie anchor for sandwich panels of reinforced concrete
DE8708056U1 (de) * 1987-06-06 1988-01-14 Steimle, Alois, 7240 Horb Verbinder und Abstandhalter für Baustahlmatten
DE29814923U1 (de) 1998-08-20 2000-01-05 Lösch GmbH Betonwerke, 67098 Bad Dürkheim Abstandhalter für Bewehrungen von Betonbauelementen
DE20211116U1 (de) * 2002-07-23 2002-09-12 Frisch, Hans, 89343 Jettingen-Scheppach Halteanker
WO2004016874A1 (fr) * 2002-07-23 2004-02-26 Hans Frisch Dalle en beton composite et ancre de maintien servant a assembler deux dalles en beton

Also Published As

Publication number Publication date
EP1601842A1 (fr) 2005-12-07
JP2006519944A (ja) 2006-08-31
DE10310715A1 (de) 2004-10-07
ATE483077T1 (de) 2010-10-15
CA2541978C (fr) 2008-05-13
EP1601842B1 (fr) 2010-09-29
US20070101672A1 (en) 2007-05-10
EP2075388B1 (fr) 2013-09-11
DE502004011697D1 (de) 2010-11-11
WO2004081313A1 (fr) 2004-09-23
CA2541978A1 (fr) 2004-09-23

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