EP0279266B1 - Luftschichtanker - Google Patents

Luftschichtanker Download PDF

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Publication number
EP0279266B1
EP0279266B1 EP88101415A EP88101415A EP0279266B1 EP 0279266 B1 EP0279266 B1 EP 0279266B1 EP 88101415 A EP88101415 A EP 88101415A EP 88101415 A EP88101415 A EP 88101415A EP 0279266 B1 EP0279266 B1 EP 0279266B1
Authority
EP
European Patent Office
Prior art keywords
air
partial section
shaped
band
cavity
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.)
Expired - Lifetime
Application number
EP88101415A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0279266A3 (en
EP0279266A2 (de
Inventor
Claude Meyers
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.)
Plakabeton SA
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT88101415T priority Critical patent/ATE77115T1/de
Publication of EP0279266A2 publication Critical patent/EP0279266A2/de
Publication of EP0279266A3 publication Critical patent/EP0279266A3/de
Application granted granted Critical
Publication of EP0279266B1 publication Critical patent/EP0279266B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4178—Masonry wall ties

Definitions

  • the invention relates to a connection between two building elements using air-layer anchors according to the preamble of claim 1 or 3. Furthermore, the invention also relates to an air-layer anchor for use in such a building connection according to the preamble of claim 5 or 6.
  • connections between building elements for example between a building wall and a wall element presented, e.g. a facade are known.
  • So-called air-layer anchors are used to connect the wall element presented, in particular also for the transmission of tensile force.
  • a connection between building elements is particularly known, in which the air-layer anchors are each formed by a band-shaped element made of spring steel (see CH-A-643 024).
  • Each air-layer anchor designed as a spring anchor is corrugated at both ends and is twisted in the middle section.
  • the two ends of each air layer anchor are anchored in one of the two building elements by mortaring.
  • This type of anchoring is relatively complex and in particular also presupposes that the two building elements are created simultaneously, but at least when the one of the two building elements is created, the spring or air-layer anchors are already prepared there.
  • each air layer anchor is axially resilient and therefore not designed as an axially impactable element.
  • the object of the invention is to demonstrate a simplified connection between two building elements and a suitable air layer anchor.
  • connection between two parts of the building is formed according to the characterizing part of claim 1 or 3 and an air layer anchor according to the characterizing part of claim 5 or 6.
  • the air-layer anchor according to the invention When realizing the connection according to the invention, for example when erecting a wall element in front of an existing structure (wall, etc.), the air-layer anchor according to the invention is used in such a way that holes are drilled in the existing structure, into which the air-layer anchors designed as foldable elements are then inserted one end ahead are driven in such a way that they resiliently press against the inner surface of the hole in question with the wave-like areas, so that the air-layer anchor is anchored in the hole in question through the wave-like areas without the use of dowels in the existing structure by means of a clamp fit. With their other ends projecting above the structure, the air-layer anchors are then embedded in the wall element to be erected.
  • Air-layer anchors in the existing building only take place when the front wall element is actually erected.
  • the bore serving for anchoring an air layer anchor can thus be chosen to be substantially smaller for a given cross section of the air layer anchor than would be the case, for example, with a dowel attachment.
  • the spring steel is selected so that it ensures adequate anchoring.
  • the spring steel is preferably a stainless steel.
  • the air layer anchor according to the invention is made from a length of wire made of spring steel. If the air-layer anchor consists of a band-shaped material, its width is at most the same, but is preferably somewhat smaller than the diameter of the bores used for anchoring.
  • 1 is an outer wall of the building, which is made of concrete, for example.
  • a facing wall or facade 2 is provided, which is produced, for example, from clinker bricks or masonry stones by bricking up using mortar.
  • a large number of air-layer anchors 3 are provided, each of which is anchored in the building wall 1 and each with a partial length, ie with the partial length on the left in FIG the length projecting over the side of the building wall 1 facing the facade 2 is embedded in the mortar bed of the facade 2.
  • the air layer anchor 3 is formed in the illustrated embodiment from a rod-shaped element 4, ie from a length of wire made of spring steel, preferably of stainless steel with spring steel properties, this element 4 starting from the left end in FIG. 1, a rectilinear section 4 ' , followed by a wave-like curved section 4 ⁇ and then a straight section 4′′′, the length of which in the illustrated embodiment is greater than the lengths of the sections 4 ⁇ and 4 ⁇ , but also greater than the sum of the lengths of the sections 4 ⁇ and 4 ⁇ .
  • the two partial lengths 4 ⁇ and 4 ′′′, which also form the two ends of the air-layer anchor 3, lie with their longitudinal extensions coaxially with one another and form the longitudinal axis L of the air-layer anchor 3 with their longitudinal extensions.
  • the element 4 forming the air-layer anchor 3 is shaped in the region of the section 4 ⁇ so that in this section, starting from the section 4 ⁇ in the longitudinal direction L, a total of three half-wave-like areas 5, 6 and 7 are formed, at which the element 4 is in the opposite direction the longitudinal axis L protrudes in such a way that in the drawing plane of FIG. 1 the area 5 projects upwards, the region 6 adjoining it downwards and the adjoining area 7 again projects upwards over the longitudinal axis L. All half-wave-like areas 5, 6 and 7 lie in a common plane which forms the plane of the drawing in FIG. 1 and also includes the longitudinal axis L.
  • a hole 8 which is open toward the facade 2 and has a diameter D and a length or depth T, is introduced into the wall 1.
  • the diameter D of the bore 8 is smaller than the distance that the outermost points (maximas) of two successive areas 5 - 7 have in the direction perpendicular to the longitudinal axis L of each other, that is to say smaller than the sum of the distances between the outer points (Maximas) of areas 5 and 6 or 6 and 7 from the longitudinal axis L.
  • the depth T of the bore 8 is somewhat greater than the distance which the outermost point of the region 7 has from the free end of the section 4 'in the direction of the longitudinal axis L.
  • the air-layer anchor 3 can be inserted with the partial section 4 ⁇ ahead into the bore 8 and hammered into it with the aid of a suitable tool (e.g. hammer) that the air-layer anchor 3 is then anchored reliably with its wave-like bent section 4 ⁇ in the bore 8 by a clamp fit in that the areas 5 - 7 resiliently or pressed against the inner surface of the bore, to an inner, from the area 5 and an outer contact point formed by the region 7 on one side of the axis of the Bore and on the other side of this axis at an intermediate contact point formed by the area 6, which is offset by 180 ° relative to the two aforementioned contact points with respect to the axis of the bore 8.
  • a suitable tool e.g. hammer
  • the region 5 can be designed such that its maximum distance from the longitudinal axis L when the air layer anchor 3 is not yet introduced into the bore 8 is somewhat smaller than the corresponding distance of the region 6.
  • the diameter D of the bore 8 is approximately 5 mm, while the depth T of the bore 8 is of the order of 40 mm.
  • tensile forces up to 200kg can be transmitted via the air layer anchor 3 between the building wall 3 and facade 2.
  • the advantages of the air-layer anchor 3 consist primarily in the fact that the previously required dowel fastening of the air-layer anchor to the building wall 1 is no longer required, which means that a much smaller diameter D is sufficient for the bore 8 (5 mm instead of 8 mm) and also simplifies the anchoring of the air-layer anchor 3 in the building wall 1 as well as a higher reliability and service life for this anchoring. Furthermore, the air layer anchor 3 can also achieve a significantly improved tensile force transmission compared to known air layer anchors.
  • FIG. 2 the outer wall 1 of the building and the facade 2 are again partially shown in cross-section, together with an air-layer anchor 3 ⁇ , which is formed by a rod-shaped element 9, ie a length of wire made of spring steel, preferably of stainless steel with spring properties, this element 9 starting from the left end in FIG. 2 a straight line running section 9 ⁇ , which is anchored in the facade 2 (e.g. in a mortar joint of this facade) and accordingly corresponds to the section 4 ′′′ of the air-layer anchor 3, followed by a likewise straight-line section 9 ⁇ , which at its left end in Figure 2 of the air layer anchor 3 ⁇ forming end passes over a transition region 9 ′′′ in a section 9abites ′′′.
  • a rod-shaped element 9 ie a length of wire made of spring steel, preferably of stainless steel with spring properties
  • the element 9 or the wire forming this element is bent over by approximately 180 ° such that this wire is then returned in the partial section 9abrisk ⁇ in the direction of the partial section 9 ⁇ or the right end there of the air layer anchor 3ank .
  • the sections 9 ⁇ and 9 ⁇ lie in the longitudinal axis L of the air layer anchor 3 ⁇ or form this longitudinal axis, the section 9 ⁇ ′′′ is bent such that it encloses the section 9 ⁇ helically or helically.
  • this end with its end formed by the transition region 9 ′′′ is driven into the hole 8 provided in the building wall 1, the diameter D of this hole 8 being slightly smaller than the outside diameter that the air-layer anchor 3 'im Area of the section 9 ⁇ ′′′ has, so that the air layer anchor 3 ⁇ rests with its section 9 ⁇ ′′′ resiliently against the inner surface of the bore 8 and is thereby securely anchored in this bore by a clamp fit.
  • the subsections 9 ⁇ and 9 ⁇ ′′′ and the transition region 9 ′′′ are received by this bore 8.
  • the air-layer anchor 3 ⁇ can also be designed such that the section 9 ⁇ ′′′, like the section 4 ⁇ of the air-layer anchor 3, is curved in a wave-like manner and then forms the areas 5, 6 and 7 of the air-layer anchor 3 with corresponding areas 11, 12 and 13 with which the section 9 ⁇ ′′′ rests resiliently against the inner surface of the bore 8 in addition to the end 10.
  • the wavy section 9 ⁇ ′′′ is then provided laterally from the section 9 ⁇ .
  • tensile forces act between the building wall 1 and the facade 2 (arrow A) in the sense of increasing the corrugation of the partial section 9 ⁇ ⁇ and thus lead to an even firmer anchoring of the air layer anchor 3 in the bore 8.
  • the air-layer anchor according to the invention is not limited to anchoring facades, but can basically be used wherever another component is to be erected in front of a wall, which must be connected to this wall to absorb tensile forces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finishing Walls (AREA)
  • Building Environments (AREA)
  • Materials For Medical Uses (AREA)
  • Paper (AREA)
  • Prostheses (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP88101415A 1987-02-20 1988-02-02 Luftschichtanker Expired - Lifetime EP0279266B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88101415T ATE77115T1 (de) 1987-02-20 1988-02-02 Luftschichtanker.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8702607U 1987-02-20
DE8702607U DE8702607U1 (de) 1987-02-20 1987-02-20 Luftschichtanker

Publications (3)

Publication Number Publication Date
EP0279266A2 EP0279266A2 (de) 1988-08-24
EP0279266A3 EP0279266A3 (en) 1989-11-29
EP0279266B1 true EP0279266B1 (de) 1992-06-10

Family

ID=6804972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88101415A Expired - Lifetime EP0279266B1 (de) 1987-02-20 1988-02-02 Luftschichtanker

Country Status (3)

Country Link
EP (1) EP0279266B1 (it)
AT (1) ATE77115T1 (it)
DE (2) DE8702607U1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9320118U1 (de) * 1993-12-29 1994-02-24 Bever Gesellschaft für Befestigungsteile - Verbindungselemente mbH, 57399 Kirchhundem Mauer- und Luftschichttanker
DE9416417U1 (de) * 1994-10-12 1994-12-22 Dausend, Hans-Werner, 42289 Wuppertal Luftschichtanker
NL9500020A (nl) * 1995-01-04 1996-08-01 Bodegraven Bv Draadspouwanker.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE915732C (de) * 1941-01-28 1954-07-29 Kurt Prange Dr Duebelverbindung fuer Bauteile aus sproeden Stoffen
US3942329A (en) * 1975-02-11 1976-03-09 The United States Of America As Represented By The Secretary Of The Interior Flexible rock bolt
CH643024A5 (en) * 1980-07-09 1984-05-15 Zuercher Ziegeleien Spring anchor
GB2153892B (en) * 1981-06-13 1986-03-05 Tarmac Construction Ltd A wall tie, a method of tying together the leaves of a cavity wall and a cavity wall incorporating a tie
FI67916C (fi) * 1982-08-03 1985-06-10 Tampella Oy Ab Anordning foer foerhandsfaestning av en staolvajerbult

Also Published As

Publication number Publication date
DE3871817D1 (de) 1992-07-16
DE8702607U1 (de) 1987-05-14
ATE77115T1 (de) 1992-06-15
EP0279266A3 (en) 1989-11-29
EP0279266A2 (de) 1988-08-24

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