EP3524747A1 - Tie and sandwich building element - Google Patents

Tie and sandwich building element Download PDF

Info

Publication number
EP3524747A1
EP3524747A1 EP19155529.1A EP19155529A EP3524747A1 EP 3524747 A1 EP3524747 A1 EP 3524747A1 EP 19155529 A EP19155529 A EP 19155529A EP 3524747 A1 EP3524747 A1 EP 3524747A1
Authority
EP
European Patent Office
Prior art keywords
bar
external
tie
internal
layer
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.)
Withdrawn
Application number
EP19155529.1A
Other languages
German (de)
English (en)
French (fr)
Inventor
Juha Pulkkanen
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.)
Anstar Oy
Original Assignee
Anstar Oy
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 Anstar Oy filed Critical Anstar Oy
Publication of EP3524747A1 publication Critical patent/EP3524747A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
    • 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
    • E04C5/065—Light-weight girders, e.g. with precast parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • E04C2002/045—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete with two parallel leaves connected by tie anchors
    • E04C2002/048—Bent wire anchors

Definitions

  • the object of the invention is a tie according to the preamble of claim 1 for connecting internal layer and external layer of a sandwich building element to each other. Furthermore, the object of the invention is a sandwich building element, which comprises an internal layer and an external layer.
  • Ties are used to bind an internal layer and an external layer of concrete sandwich building elements to each other. Ties are installed into fresh concrete of the external layer. Insulations of the element are placed between ties so that ties are in edgings of insulations. Thereafter, the internal layer of the element is cast on the insulation so that the tie extends also into concrete of the internal layer. After concrete has hardened, ties bind the internal layer and the external layer and the insulation between them to each other.
  • Beam ties are used to connect an internal layer and an external layer to each other on lower places of a building element, such as above a window beam and on lower footing elements.
  • a beam tie according to the prior art comprises bar threads, which are placeable in internal layer and external layer, and a bracing thread connecting the bar threads. Bar threads and bracing thread are separate parts, which are connected to each other by welding. Producing tie components separately and connecting them to each other increase working phases in production and thus production costs.
  • the aim of this invention is to achieve an improved tie for connecting internal layer and external layer of a sandwich building element to each other.
  • tie according to claim 1, which tie comprises an internal bar fittable in the internal layer of the building element, and an external bar, which is fittable in the external layer, and a bracing connecting the internal bar and external bar.
  • Internal bar, external bar and bracing are formed from the same wire blank by bending.
  • a tie according to the invention i.e. a bracing and an internal bar and an external bar, are formed from the one and the same wire blank by bending. Then the bracing and the internal bar and the external bar do not have to be formed as separate parts at first, and thereafter to form a tie of them by connecting the parts together by welding.
  • a tie according to the invention is produced by cutting the wire forming the tie to a wire blank of desired length and by bending the wire blank to its final form so that the blank forms a bracing, internal bar and external bar.
  • wire blank can be bent to a form of a bracing, internal bar and external bar at first and then the wire can be cut.
  • the production method speeds up the production of a tie significantly and thus reduces production costs compared to a traditional solution.
  • the wire forming a tie can be bent to a desired form by existing bending devices.
  • the tie 1 presented in the drawings is used to connect internal layer 12 and external layer 13 of a building element 11 to each other.
  • the tie 1 is so called beam tie, which is used to connect internal layer 12 and external layer 13 to each other in lower building elements in places where a conventional diagonal tie does not fit, for example above a window beam.
  • a tie 1 comprises a diagonal, i.e. a bracing 4 and two bar threads, i.e. an internal bar 2 and an external bar 3.
  • the bracing 4 comprises three sides 5, 6, 7, which form two angles 8, 9 opening in opposite directions.
  • a first side 5 and second side 6 are arranged in the V-form so that they form a first angle 8.
  • First angle 8 opens towards the internal bar 2.
  • First side 5, second side 6 and the internal bar 2 form a triangle, preferably an isosceles triangle, wherein first side 5 and second side 6 form the sides for the triangle, and the internal bar 2 forms the base for the triangle.
  • a third side 7 and second side 6 are arranged in the V-form so that they form a second angle 9.
  • Second angle 9 opens towards the external bar 3.
  • Second side 6, third side 7 and the external bar 3 form a triangle, preferably a rectangular triangle.
  • the external bar 3 and third side 7 are at a right angle to each other.
  • the external bar 3 and the internal bar 2 are at a distance from each other.
  • the external bar 3 and the internal bar 2 are parallel to each other.
  • First angle 8 and second angle 9 are rounded.
  • Tie 1, i.e. bracing 4, internal bar 2 and external bar 3 are formed of the same wire blank by bending.
  • the wire forming the tie 1 is of stainless steel.
  • the diameter of the wire is 3-7 mm, typically 5 mm.
  • the bracing 4, e.g. first side 5 of the bracing can be attached to the external bar 3 by welding, by spot welding, for example.
  • the welding point is marked in figure 1 with arrow 10.
  • the welding point is at the crossing point of first side 5 and the external bar 3.
  • the wire forming the bracing 4, external bar 3 and internal bar 2 comprises only two ends, first end is at the end of the internal bar 2 and second end is at the end of the external bar 3.
  • a sandwich building element 11 comprises an internal layer 12 and an external layer 13, which are bound to each other with a tie 1 described above.
  • the internal bar 2 of the tie is placed into concrete of the internal layer 12, and the external bar 3 into concrete of external layer 13. Additionally, first angle 8 is placed into concrete of the external layer 13, and second angle 9 into concrete of the internal layer 12.
  • insulation material 14 mineral wool, for example.
  • Tie 1 is assembled at its place into the sandwich building element 11 so that the external bar 3 is placed into fresh concrete of the external layer 13. Also the tip of first angle 8 is placed into concrete of the external layer 13. Thereafter, insulations 14 of building element 11 are placed so that tie 1 or ties are in edgings of insulations 14. The internal layer 12 of the building element is cast on insulation 14 so that the internal bar 2 extends also into concrete of the internal layer 12. Also the tip of second angle 9 extends into concrete of the internal layer 12. After the concrete has hardened the tie 1 binds the internal layer 12 and the external layer 13 to each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP19155529.1A 2018-02-07 2019-02-05 Tie and sandwich building element Withdrawn EP3524747A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FIU20184022U FI12049U1 (fi) 2018-02-07 2018-02-07 Ansas ja sandwich-rakennuselementti

Publications (1)

Publication Number Publication Date
EP3524747A1 true EP3524747A1 (en) 2019-08-14

Family

ID=62111311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19155529.1A Withdrawn EP3524747A1 (en) 2018-02-07 2019-02-05 Tie and sandwich building element

Country Status (2)

Country Link
EP (1) EP3524747A1 (fi)
FI (1) FI12049U1 (fi)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462898A (en) * 1966-12-07 1969-08-26 Bearn Andre B Constructional building panel
DE2023363A1 (de) * 1970-05-13 1971-12-02 Körner, Manfred, 7500 Karlsruhe-Durlach Verbindungsanker für Mehrschichten-Betonplatten
US4117639A (en) * 1977-06-29 1978-10-03 Butler Manufacturing Company Reinforced insulated concrete building panel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462898A (en) * 1966-12-07 1969-08-26 Bearn Andre B Constructional building panel
DE2023363A1 (de) * 1970-05-13 1971-12-02 Körner, Manfred, 7500 Karlsruhe-Durlach Verbindungsanker für Mehrschichten-Betonplatten
US4117639A (en) * 1977-06-29 1978-10-03 Butler Manufacturing Company Reinforced insulated concrete building panel

Also Published As

Publication number Publication date
FI12049U1 (fi) 2018-04-25

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