US3494088A - Connecting anchors for multiple layer concrete panels - Google Patents

Connecting anchors for multiple layer concrete panels Download PDF

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Publication number
US3494088A
US3494088A US703414A US3494088DA US3494088A US 3494088 A US3494088 A US 3494088A US 703414 A US703414 A US 703414A US 3494088D A US3494088D A US 3494088DA US 3494088 A US3494088 A US 3494088A
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United States
Prior art keywords
panels
panel
anchor
anchors
multiple layer
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Expired - Lifetime
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US703414A
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English (en)
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Manfred Korner
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    • 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
    • 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
    • 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
    • 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

  • prefabricated concrete parts as multiple layer panels which are also called sandwich panels and which are mainly destined for exterior walls of buildings. They comprise, for instance, a bearing reinforced concrete panel having an approximate strength of to 12 cm. the so-called interior layer or interior panel, a face panel of about half the strength, also consisting of reinforced concrete, which as exterior layer or exterior panel is destined for the outside of the building, and an approximately 3 to 4 em. strong intermediate layer of insulating material such as Styropor or similar. Since the insulating layer will not be able to take up the forces occurring, the exterior panel and the interior panel which are usually reinforced by woven steel fabric, are connected to each other by means of one or several steel anchors. The same will not only have to support the dead weight of the exterior Panel at the bearing interior panel during transportation and in the final building, but they will also have to receive the stresses resulting from differences in temperature between said two side panels which, in extreme cases, may amount to as much as 50 C.
  • Corresponding technical literature recommends the center or the center of gravity of the panels respectively as the most favorable location for the positioning of the connecting anchors.
  • multipie layer panels are known providing for several anchors beyond the center, for anchors in every corner of the panels, or for anchors distributed all over the panel surface.
  • the anchors already known are of double T shape, L shape or in the form of an angle with adjacent clamping legs to be clamped into the woven steel fabric of one of the two concrete panels.
  • light weight connection nails of synthetic material are also known.
  • the present invention provides for anchors to connect multiple layer reinforced concrete panels of the type described above and for multiple layer panels equipped with said anchors, in which the forces occurring will be received in a particularly favorable manner, while their assembly will be as simple as possible.
  • the connecting anchor according to the present invention is characterized in that it comprises a wavy or jagged ring bent from wire in the form of a crown, which, preferably, has four wave crests or jags each towards each of the two sides. But the ring may also have any other number of jags, for instance, 3, 6, or 8. Due to the bridges of this crown-like ring directed towards all sides,
  • said multi-jagged ring will receive directly horizontally and vertically acting forces. Apart from final installation of the composite panel, this will also be important with a view to transportation, since during shipment the panels may be placed without any risk both on their short or on their long edges.
  • the total height of the waves or jags of the ring or crown anchor is greater than the distance of the reinforcement of the two concrete panels consisting for instance of woven steel fabric, by such an amount that it will be possible to insert additional steel, for instance, simple straight steel rods, between the jag tops and panel armouring, said additional steel anchoring the connecting anchors against the armouring of the two panels and thus even the latter against each other.
  • an especially simple method to produce the anchors mentioned above is to start with bending a wire into a plane polygon, preferably a square, in which the two wire ends are overlapping on one side of the polygon. Then the corners together with parts, preferably the halves of the adjacent sides are bent out of the original plane by approximately into the same direction.
  • production is effected by the minimum number of simple steps.
  • the production of the anchors may be based upon an oblong rectangle similar to that of the panel shape instead of a square.
  • the anchor ring will be favorably inserted in the production of composite panels such that the center of gravity of the panels will be located in the center of the same and the anchor jags in planes partially parallel to one pair of edges, partially parallel to the other pair of edges. This will result in especially favorable reception of forces without involving any detrimental moments. It is not important which side of the jagged ring is located in one of the panels and which in the other, so that in this respect any errors in the production of composite panels are not liable to occur. Insertion of the anchor between the woven steel fabrics will also be extremely simple, as any exact mutual position will not have to be observed, because the additionally inserted steel will be able to bridge distances of any size.
  • FIG. 1 shows a perspective view of a connecting anchor
  • FIG. 2 shows a connecting anchor according to FIG. 1 in an intermediate production step
  • FIG. 3 is a cross section through the center part of a multiple layer panel according to the present invention.
  • FIG. 4 is a top view of a multiple layer panel according to the present invention.
  • FIG. 1 shows a connnecting anchor 1 bent from special steel wire in the form of a jagged ring with 4 jags towards each side.
  • the jag tops A, A and B, B of one side are located in pairs opposite each other and, in addition, on a circular line. The same applies to the jag tops A A and B B, of the other side.
  • a square is bent from the wire, the wire ends 2 and 3 overlapping each other side by side for a certain length. They may be lying loosely side by side or they may be connected to each other by welding, winding or similar. It will even be possible to butt-joint the wire ends and to weld the same in this position. Accordingly, the square may also be composed of several wire pieces.
  • the corners A, A, B, B together with the adjacent lateral parts 4 and 5 and the bisecting points A A' B B' of the square sides are bent out of the plane of the original square into one direction by 90 so that they will occupy the position identified by a line of dots and dashes. All bending points are subject to angles of 90.
  • This is the final shape of the connecting anchor. But it will also be possible to extend or to compress the jagged ring to increase or reduce the angles. However, in each case, the total height h of the jags will have to be greater than the distance of the concrete panel armouring which the anchor is to connect, by such an amount as to enable bracing by means of the additional steel 9.
  • the crown-like jagged or wavy ring of "the connecting anchor may also have more or less than 4 jagged Waves.
  • the woven steel fabric 7 of the exterior reinforced concrete panel 8 is placed upon the shuttering panel 6 by means of distance pieces, and the connecting anchor 1 is inserted into the center of the panel also by means of distance pieces such that the jag tops A and B are projecting through the woven steel fabric 7.
  • Connection between the anchor 1 and the woven steel fabric 7 is effected by additional steel 9 arranged parallel and/ or crosswise.
  • the first layer-usually the exterior or face panel- is concreted, Naturally, the interior panel may also be concreted first and on the bottom.
  • the insulating layer 12 shall be positioned, the jags of the connecting anchor 1 being points projecting through said layer. This may favorably be effected without any detrimental deformations with, for instance, plastic foam panels which are usually 3 to 4 cm. strong measuring 100 x 50 cm.
  • the struts 4 and 5 of the connecting anchor 1 which are at right angles towards each other and which are located in planes parallel to the panel edges, will receive both the vertical and the horizontal forces of pressure and tension.
  • both panels of the prefabricated structural element may be connected by nails provided with teeth or similar 13 of a type already known and made from special steel or any other corrosion resistant material 'within the area of the center anchor, but also in any other location such as in the corners.
  • the construction may also be modified otherwise without extending beyond the scope of the present invention.
  • the anchor ring may consist of several independent parts to be assembled when making the composite panel such that the same technical effect will be obtained by them jointly as in the present embodiment.
  • Several angular anchors of the type above may also be arranged in a circle around the center of gravity of the panels.
  • a connecting device for a plurality of concrete members including an insulating plate between said concrete members comprising:
  • said anchor being in the form of a closed wire loop forming an opening having an axis substantially perpendicular to said concrete members
  • said anchor including plural pairs of spaced parallel arcuate segments of wire, one pair being disposed in substantially right angular relationship to a second pair of arcuate segments the contiguous ends of the segments being interconnected and forming peaks pointing in one direction and positioned in one of said members, each pair of segments also forming crests pointing in the other direction and positioned in the other of said members.
  • a connecting device as defined in claim 1 including reinforcing rods in said members.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Panels For Use In Building Construction (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Closures For Containers (AREA)
US703414A 1967-02-14 1968-02-06 Connecting anchors for multiple layer concrete panels Expired - Lifetime US3494088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0061426 1967-02-14

Publications (1)

Publication Number Publication Date
US3494088A true US3494088A (en) 1970-02-10

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ID=7230073

Family Applications (1)

Application Number Title Priority Date Filing Date
US703414A Expired - Lifetime US3494088A (en) 1967-02-14 1968-02-06 Connecting anchors for multiple layer concrete panels

Country Status (11)

Country Link
US (1) US3494088A (fi)
AT (1) AT287990B (fi)
BE (1) BE710685A (fi)
CH (1) CH501120A (fi)
DE (1) DE1609708B1 (fi)
DK (1) DK129668B (fi)
FI (1) FI46763C (fi)
GB (1) GB1217247A (fi)
NL (1) NL150186B (fi)
NO (1) NO123859B (fi)
SE (1) SE318697B (fi)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744202A (en) * 1971-08-16 1973-07-10 Hubmann Georg Building construction
US4183186A (en) * 1977-08-24 1980-01-15 Ernst Haeussler Multilayer steel-reinforced concrete panels
US4226067A (en) * 1977-12-05 1980-10-07 Covington Brothers Building Systems, Inc. Structural panel
US4236364A (en) * 1978-04-24 1980-12-02 Ab Ostgota-Byggen Reinforced building component
US4283896A (en) * 1978-11-15 1981-08-18 Siegfried Fricker Tie anchor for sandwich panels of reinforced concrete
US4297820A (en) * 1977-12-05 1981-11-03 Covington Brothers Technologies Composite structural panel with multilayered reflective core
US4336676A (en) * 1977-12-05 1982-06-29 Covington Brothers, Inc. Composite structural panel with offset core
EP0066979A1 (en) * 1981-05-22 1982-12-15 Robert H. Nagy Concrete sandwich panel
US4640074A (en) * 1984-09-10 1987-02-03 Oy Partek Ab Concrete building unit of a sandwich structure and a truss element and an insulating plate for such a building unit
US4702053A (en) * 1986-06-23 1987-10-27 Hibbard Construction Co. Composite insulated wall
US4768324A (en) * 1986-06-23 1988-09-06 Hibbard Construction Co. Composite insulated wall
US6088985A (en) * 1998-12-24 2000-07-18 Delta-Tie, Inc. Structural tie shear connector for concrete and insulation sandwich walls
WO2011010979A1 (ru) * 2009-07-21 2011-01-27 Visnovatiy Anatoliy Isaakovich Конструкционная панель (варианты)
US20120285108A1 (en) * 2011-05-11 2012-11-15 Composite Technologies Corporation Load transfer device
CN103669707A (zh) * 2013-12-31 2014-03-26 吕燕 房屋用轻质复合预制墙板及其制备方法
CN104234302A (zh) * 2014-08-28 2014-12-24 安徽宇泰建筑科技集团有限公司 一种带边框网架自保温的预制外墙板

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2514300C2 (de) * 1975-04-02 1982-12-30 Ernst Dr.-Ing. 4300 Essen Haeussler Rechteckige Mehrschichtenstahlbetonplatte

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL14328C (fi) *
DE299433C (fi) *
GB128390A (en) * 1918-06-18 1919-06-18 Robert Eston Landells Improvements in and relating to Reinforcements for Reinforced Concrete.
US3237357A (en) * 1962-01-10 1966-03-01 Carl H Hutchings Wall and floor construction of prestressed concrete
US3338017A (en) * 1964-08-04 1967-08-29 Baustahlgewebe Gmbh Support for steel mat and the like structures for use in reinforced concrete

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1937051U (de) * 1966-01-25 1966-04-21 Ernst Dr Ing Haeussler Fertigwandelement aus stahlbetonnaussenplatte, stahlbetoninnenplatte und isolationszwischenschicht.
FR1591095A (fi) * 1968-09-27 1970-04-27

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL14328C (fi) *
DE299433C (fi) *
GB128390A (en) * 1918-06-18 1919-06-18 Robert Eston Landells Improvements in and relating to Reinforcements for Reinforced Concrete.
US3237357A (en) * 1962-01-10 1966-03-01 Carl H Hutchings Wall and floor construction of prestressed concrete
US3338017A (en) * 1964-08-04 1967-08-29 Baustahlgewebe Gmbh Support for steel mat and the like structures for use in reinforced concrete

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744202A (en) * 1971-08-16 1973-07-10 Hubmann Georg Building construction
US4183186A (en) * 1977-08-24 1980-01-15 Ernst Haeussler Multilayer steel-reinforced concrete panels
US4226067A (en) * 1977-12-05 1980-10-07 Covington Brothers Building Systems, Inc. Structural panel
US4297820A (en) * 1977-12-05 1981-11-03 Covington Brothers Technologies Composite structural panel with multilayered reflective core
US4336676A (en) * 1977-12-05 1982-06-29 Covington Brothers, Inc. Composite structural panel with offset core
US4236364A (en) * 1978-04-24 1980-12-02 Ab Ostgota-Byggen Reinforced building component
US4283896A (en) * 1978-11-15 1981-08-18 Siegfried Fricker Tie anchor for sandwich panels of reinforced concrete
EP0066979A1 (en) * 1981-05-22 1982-12-15 Robert H. Nagy Concrete sandwich panel
US4640074A (en) * 1984-09-10 1987-02-03 Oy Partek Ab Concrete building unit of a sandwich structure and a truss element and an insulating plate for such a building unit
US4702053A (en) * 1986-06-23 1987-10-27 Hibbard Construction Co. Composite insulated wall
US4768324A (en) * 1986-06-23 1988-09-06 Hibbard Construction Co. Composite insulated wall
US6088985A (en) * 1998-12-24 2000-07-18 Delta-Tie, Inc. Structural tie shear connector for concrete and insulation sandwich walls
WO2011010979A1 (ru) * 2009-07-21 2011-01-27 Visnovatiy Anatoliy Isaakovich Конструкционная панель (варианты)
US20120285108A1 (en) * 2011-05-11 2012-11-15 Composite Technologies Corporation Load transfer device
US8839580B2 (en) * 2011-05-11 2014-09-23 Composite Technologies Corporation Load transfer device
CN103669707A (zh) * 2013-12-31 2014-03-26 吕燕 房屋用轻质复合预制墙板及其制备方法
CN104234302A (zh) * 2014-08-28 2014-12-24 安徽宇泰建筑科技集团有限公司 一种带边框网架自保温的预制外墙板

Also Published As

Publication number Publication date
FI46763B (fi) 1973-02-28
DK129668B (da) 1974-11-04
NO123859B (fi) 1972-01-24
DE1609708B1 (de) 1972-03-16
GB1217247A (en) 1970-12-31
DK129668C (fi) 1975-04-14
BE710685A (fi) 1968-06-17
CH501120A (de) 1970-12-31
NL6802087A (fi) 1968-08-15
FI46763C (fi) 1973-06-11
NL150186B (nl) 1976-07-15
SE318697B (fi) 1969-12-15
AT287990B (de) 1971-02-10

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