EP0500029A2 - Pièce d'ancrage en profilé plat d'acier pour pièces préfabriquées en béton - Google Patents

Pièce d'ancrage en profilé plat d'acier pour pièces préfabriquées en béton Download PDF

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Publication number
EP0500029A2
EP0500029A2 EP92102649A EP92102649A EP0500029A2 EP 0500029 A2 EP0500029 A2 EP 0500029A2 EP 92102649 A EP92102649 A EP 92102649A EP 92102649 A EP92102649 A EP 92102649A EP 0500029 A2 EP0500029 A2 EP 0500029A2
Authority
EP
European Patent Office
Prior art keywords
flat steel
opening
plane
concrete
concrete anchor
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
EP92102649A
Other languages
German (de)
English (en)
Other versions
EP0500029B1 (fr
EP0500029A3 (fr
Inventor
Siegfried Fricker
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0500029A2 publication Critical patent/EP0500029A2/fr
Publication of EP0500029A3 publication Critical patent/EP0500029A3/fr
Application granted granted Critical
Publication of EP0500029B1 publication Critical patent/EP0500029B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/142—Means in or on the elements for connecting same to handling apparatus

Definitions

  • the invention relates to a flat steel concrete anchor for precast concrete of the type specified in the preamble of claim 1.
  • Such a flat steel concrete anchor is known for example from DE-C 39 04 772.
  • the flat steel part in this embodiment has at least two sections in the anchoring area, which are shaped in opposite directions to form hook-shaped bends and, seen in the longitudinal direction of the reinforcing bar to be inserted, form an essentially closed shape.
  • the known arrangement offers sufficiently large saddle surfaces for the concrete and also a good connection to the reinforcing bar, the orientation of the flat steel concrete anchor is always tied to the direction in which the reinforcing bar or the additional iron runs.
  • the object of the present invention to provide a flat steel concrete anchor of the generic type which is simpler and cheaper to manufacture.
  • the anchor should not be tied to the direction and position of reinforcing bars or additional bars.
  • the flat steel concrete anchor forms a closed force corner in its anchoring area, which can withstand extremely high loads.
  • only simple stamping and embossing processes can be carried out, which enable precise series production with simple means.
  • the flat steel concrete anchor according to the invention can be used with or without additional iron, since the saddle surfaces can also transmit the anchoring forces within certain limits and that the arrangement of the flat steel concrete anchor in the concrete part is completely independent of the direction of the additional iron, provided that this is for the Interaction with the flat steel concrete anchor are provided.
  • the opening in the anchoring area is preferably formed by a punched hole with an elongated shape, the longer extension of which extends in the direction of the longitudinal axis of the flat steel.
  • the elongated shape of the opening results in a corresponding length of the webs, so that the webs can be curved without excessive tensile stress in the material.
  • the distance of the opening in the anchoring area from the end of the flat steel corresponds at least to the distance that the opening for the hoist from the end the connection area is distant.
  • the distance of the opening arranged in the anchoring area from the end of the flat steel should be greater than the width of each of the webs arranged on the side of the opening.
  • the opening in the anchoring area specified in claim 1 Due to the shape of the opening in the anchoring area specified in claim 1, it is possible to carry out one or more supplementary irons in any direction. So that the flat steel concrete anchor is held securely on an additional iron running in the plane of the flat steel concrete anchor, but transversely to this, even before it is embedded in the concrete, the opening in this direction should have a corresponding cross-section through which the flat steel surrounds the additional iron in a form-fitting manner. In order to achieve this shape, it is considered particularly suitable that the opening cross section in the parallel to the flat steel plane has a width which corresponds at least approximately to the thickness of the flat steel.
  • the elongated hole have a shorter extension transverse to the longitudinal axis, which is at least 0.3 times and at most 0.6 times, preferably approximately 0.35 -fold to 0.5 times the longer extension. It is assumed that this shorter extension of the elongated hole or opening is not much larger than the diameter of the additional iron.
  • the shape of the opening in the anchoring area can be that of an oval or an ellipse, seen in the top view of the flat steel. It is proposed as particularly suitable that the opening, viewed in plan view of the flat steel, has the shape of an elongated hole with parallel side edges and semicircular end sections.
  • the flat steel concrete anchor 1 shown in Fig. 1 has a connection area 2 with an opening 3 for hanging a - not shown in the drawing - hoist and an anchoring area 4, which is embedded, for example, in a precast concrete part.
  • the anchoring area 4 has an opening 5, in addition to which lateral webs 6 and 7 are present. These webs 6 and 7 run parallel to a longitudinal central axis 8. However, they are arched out of the plane of the flat steel, in opposite directions, i.e. in relation to the flat steel plane, the web 6 is curved downwards and the web 7 is curved upwards.
  • This curvature of the webs 6 and 7 ensures that the opening 5 also has an opening cross section parallel to the flat steel plane in addition to the opening cross section which is present orthogonally to the flat steel plane.
  • saddle surfaces 9 and 10 for the concrete are formed by the curvatures of the webs 6 and 7, which are arranged symmetrically on both sides of the longitudinal central axis 8 and thus lead to a uniform force distribution under load.
  • Fig. 2 shows the side view of the flat steel concrete anchor 1 with its connection area 2, the anchoring area 4 and the openings 3 and 5. From this side view, the oppositely curved shape of the webs 6 and 7 with their saddle surfaces 9 and 10 can be seen.
  • the opening 5 In the direction parallel to the flat steel plane, the opening 5 has an opening cross section with a clear width W, which in the example in FIG. 2 is slightly larger than the thickness D of the flat steel. This opening cross-section enables an additional iron or reinforcing bar to be carried out at least approximately parallel to the flat steel plane.
  • FIG. 3a and 3b each show a top view of the flat steel concrete anchor 1, the flat steel concrete anchor in FIG. 3a having an opening 5 'designed as an elongated hole with two parallel side edges 11 and end semicircles 12 and that in FIG. 3b an oval opening 5' 'owns.
  • the opening 3 for hanging a hook or the like is provided, which is arranged in a distance S from the end of the flat steel.
  • the opening 5 ′ or 5 ′′ has a longer axis L which extends in the longitudinal direction of the flat steel concrete anchor 1 and a shorter axis 1 which runs transversely to the axis L.
  • the extension of the shorter axis 1 in FIG. 3a is 0.35 times the longer axis L.
  • the shorter axis 1 in FIG. 3b is 0.5 times the longer axis L.
  • the width of the webs 6 and 7 is labeled B.
  • the distance A of the opening 5 'or 5' 'from the end of the anchoring area 4 should correspond at least to the distance S. In the exemplary embodiment, the distance A is slightly larger than the distance S.
  • FIG. 4 shows a flat steel concrete anchor 1 in a perspective view as in FIG. 1, but with a bent additional iron 13 led through the opening 5. Otherwise, the reference symbols in FIG. 4 correspond to those in FIG. 1 for identical parts.
  • FIG. 5 shows such a flat steel concrete anchor 1 with two elongated supplementary irons 14 and 15 which run through the opening 5.
  • the allowance iron 14 extends orthogonally to the plane of the flat steel and the allowance iron 15 in the flat steel plane, the allowance iron 15 lying in the curvatures of the webs 6 and 7, respectively.
  • Crossed by the arranged additional iron 14 and 15, the flat steel concrete anchor 1 is already securely positioned before embedding in the concrete, so that additional securing of the position is not required.
  • connection area 2 protrudes into a hemispherical depression 18 on the surface of the concrete pipe 17, so that the opening 3 in the connection area 2 is easily accessible.
  • the anchoring area 4 is embedded in the concrete pipe and two additional iron 19 and 20 run through the opening 5 in the anchoring area 4.
  • the additional iron 19 is arranged in the plane of the flat steel and the additional iron 20 runs in an arc shape corresponding to the curvature of the concrete pipe 17 and thus occurs approximately at right angles to the flat steel plane through opening 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Panels For Use In Building Construction (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Rod-Shaped Construction Members (AREA)
EP92102649A 1991-02-21 1992-02-18 Pièce d'ancrage en profilé plat d'acier pour pièces préfabriquées en béton Expired - Lifetime EP0500029B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4105337A DE4105337A1 (de) 1991-02-21 1991-02-21 Flachstahlbetonanker fuer betonfertigteile
DE4105337 1991-02-21

Publications (3)

Publication Number Publication Date
EP0500029A2 true EP0500029A2 (fr) 1992-08-26
EP0500029A3 EP0500029A3 (fr) 1992-09-23
EP0500029B1 EP0500029B1 (fr) 1994-11-30

Family

ID=6425514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92102649A Expired - Lifetime EP0500029B1 (fr) 1991-02-21 1992-02-18 Pièce d'ancrage en profilé plat d'acier pour pièces préfabriquées en béton

Country Status (8)

Country Link
US (1) US5177928A (fr)
EP (1) EP0500029B1 (fr)
JP (1) JP3088818B2 (fr)
AT (1) ATE114770T1 (fr)
CA (1) CA2061598C (fr)
DE (2) DE4105337A1 (fr)
DK (1) DK0500029T3 (fr)
ES (1) ES2067963T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU752353B2 (en) * 1999-04-20 2002-09-19 Hilbert Superannuation Management Pty Ltd Lifting system
FR2897627A1 (fr) * 2006-02-21 2007-08-24 Jacques Gauvrit Ancre d'arrimage destinee a equiper une plaque de beton
CN101939245B (zh) * 2008-02-08 2014-06-25 马塞勒·阿尔提翁 用于具有保持分开的分支的结构件的操纵锚固件

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29509260U1 (de) * 1995-06-06 1995-08-24 Fixinox Gesellschaft zur Entwicklung rationeller Montage- und Befestigungssysteme mbH, 67346 Speyer Transportelement
DE29708469U1 (de) * 1997-05-13 1997-07-17 Fixinox Gesellschaft zur Entwicklung rationeller Befestigungs- und Montagesysteme mbH, 67346 Speyer Transportelement
DE29800905U1 (de) * 1998-01-20 1999-05-27 Ytong AG, 80797 München Transportanker für bewehrte Betonelemente
US7032354B2 (en) * 2001-12-19 2006-04-25 Universal Form Clamp Co., Inc. Sandwich erection lift anchor with welding plate assembly
US6647674B1 (en) * 2002-05-08 2003-11-18 Dayton Superior Corporation Erection anchor for concrete panel
US7111432B2 (en) * 2003-02-19 2006-09-26 Universal Form Clamp Of Chicago, Inc. Passthrough concrete anchor
USD520649S1 (en) * 2003-02-19 2006-05-09 Universal Form Clamp Co., Inc. Pass through concrete anchor
USD540657S1 (en) 2003-08-27 2007-04-17 Universal Form Clamp Of Chicago, Inc. W foot anchor
US20050055958A1 (en) * 2003-08-27 2005-03-17 Universal Form Clamp Co., Inc. W foot anchor
USD547524S1 (en) 2003-08-27 2007-07-24 Universal Form Clamp Of Chicago, Inc. Ring lift anchor
US20050044811A1 (en) * 2003-08-27 2005-03-03 Universal Form Clamp Co., Inc. Ring lift anchor
US7065925B2 (en) * 2004-02-11 2006-06-27 Universal Form Clamp Of Chicago, Inc. Concrete anchor
US20060137286A1 (en) * 2004-12-21 2006-06-29 David Zartman Anchor for structural joints
US20060248811A1 (en) * 2005-05-04 2006-11-09 Universal Form Clamp Co., Inc. Anchor positioning assembly
DE102008048425A1 (de) * 2008-09-23 2010-04-01 B.T. Innovation Gmbh Abstandhalter
CA2776632C (fr) * 2011-05-11 2019-08-13 Composite Technologies Corporation Dispositif de transfert de charge
US9297163B2 (en) * 2013-09-15 2016-03-29 BFRE Pty Ltd. Dual mesh level reinforcement bar support chair assembly
US9617746B1 (en) * 2014-01-14 2017-04-11 Maestro International, Llc Forged lift anchor for precast portland cement concrete shapes
CA3015176C (fr) * 2017-08-23 2023-07-04 Midwest Concrete & Masonry Supply, Inc. Mecanisme d'ancrage de levage destine a des structures en beton premoulees
USD1039358S1 (en) * 2021-10-26 2024-08-20 Gem Products, Llc Straight latch cam
USD1039944S1 (en) * 2021-10-26 2024-08-27 Gem Products, Llc Offset latch cam
USD1009583S1 (en) * 2022-06-06 2024-01-02 ALP Supply, Inc. Fish tail lift anchor for precast concrete
US12378786B2 (en) * 2023-02-14 2025-08-05 ALP Supply, Inc. Anchors for precast concrete and precast concrete having anchors

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1667532A (en) * 1926-10-01 1928-04-24 Rockwood Sprinkler Co Massachusetts Concrete hanger block
US1917529A (en) * 1931-08-19 1933-07-11 Universal Form Clamp Co Individual bar chair
US2291157A (en) * 1939-07-03 1942-07-28 Superior Concrete Accessories Combined bar support and spacer
FR2054723A5 (fr) * 1969-07-24 1971-05-07 Loire Atel Forges
US3623289A (en) * 1969-11-12 1971-11-30 John L Lowery Flexible spacing device for concrete reinforcing materials
US3673753A (en) * 1970-03-20 1972-07-04 George C Anderson Support device for concrete reinforcing bars
US3788025A (en) * 1972-05-17 1974-01-29 S Holmes Chair support for reinforcing rods
US4580378A (en) * 1984-03-26 1986-04-08 The Burke Company Anchor assembly for tilt-up wall section
US4831803A (en) * 1986-10-23 1989-05-23 Nicola Leonardis Foundation form work
US4835933A (en) * 1988-02-11 1989-06-06 Yung Fernand P Rebar spacer assembly
DE3904772C1 (fr) * 1989-02-17 1990-06-13 Unistrut Europe Plc, Bedford, Gb

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU752353B2 (en) * 1999-04-20 2002-09-19 Hilbert Superannuation Management Pty Ltd Lifting system
FR2897627A1 (fr) * 2006-02-21 2007-08-24 Jacques Gauvrit Ancre d'arrimage destinee a equiper une plaque de beton
CN101939245B (zh) * 2008-02-08 2014-06-25 马塞勒·阿尔提翁 用于具有保持分开的分支的结构件的操纵锚固件

Also Published As

Publication number Publication date
JPH0558584A (ja) 1993-03-09
EP0500029B1 (fr) 1994-11-30
ES2067963T3 (es) 1995-04-01
DE4105337A1 (de) 1992-08-27
JP3088818B2 (ja) 2000-09-18
CA2061598C (fr) 2002-12-24
DK0500029T3 (da) 1995-05-15
US5177928A (en) 1993-01-12
CA2061598A1 (fr) 1992-08-22
EP0500029A3 (fr) 1992-09-23
DE59200818D1 (de) 1995-01-12
ATE114770T1 (de) 1994-12-15

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