EP3469160A1 - A building structure connecting means and a method of using same - Google Patents
A building structure connecting means and a method of using sameInfo
- Publication number
- EP3469160A1 EP3469160A1 EP17813663.6A EP17813663A EP3469160A1 EP 3469160 A1 EP3469160 A1 EP 3469160A1 EP 17813663 A EP17813663 A EP 17813663A EP 3469160 A1 EP3469160 A1 EP 3469160A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- building
- joint element
- joint
- connecting means
- end portion
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims description 58
- 239000004567 concrete Substances 0.000 claims description 56
- 239000004794 expanded polystyrene Substances 0.000 claims description 15
- 230000013011 mating Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 238000003466 welding Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 8
- 238000009415 formwork Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 101100532451 Rattus norvegicus Slc22a17 gene Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6145—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with recesses in both frontal surfaces co-operating with an additional connecting element
- E04B1/6162—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with recesses in both frontal surfaces co-operating with an additional connecting element the connection made by an additional locking key
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
-
- 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
-
- 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
- E04B1/388—Separate connecting elements
-
- 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
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5837—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form
- E04B1/585—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form with separate connection devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
-
- 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
- E04C5/01—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
- 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
- E04B2001/4192—Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires
Definitions
- the present application relates to a connecting means. More particularly, it relates to a building structure connecting means and a method for connecting an end portion of at least one first building element to an end portion of at least one second building element.
- the first building element may for example be a slab element, wherein a plurality of such slab elements arranged side by side may provide a floor or roof in a building.
- a slab element has a length defined by first end portions, a width defined by second end portions and a thickness defined by a top side and a bottom side.
- the second building element may for example be a support such as a wall, a column, a supporting beam or a foundation configured for supporting at least end portions of the first building element.
- required stability is typically provided by means of welded and/or bolted connections.
- required stability may typically be provided by means of reinforcement bars interconnecting the elements such as walls and floors.
- Buildings made of concrete may be made from prefabricated elements, wherein floors or roofs are made of precast slab elements or "beams" placed side by side to form a slab.
- a concrete wall is typically made by placing two or more wall elements side by side, oftentimes interconnected by means of tongue and groove arrangements.
- welding plates In order to provide required connection between such prefabricated wall elements and between wall elements and slab elements, so-called “welding plates” are commonly used. In such a case, welding plates have to be provided mutually spaced prior to pouring concrete into a fomnwork. During erection, abutting welding plates are welded together to provide the required connection. However, such a connection is not considered capable of transferring bending moments between a wall element and a slab element. A slab thus has to be designed as freely supported, i.e. a slab supported on the ends and free to rotate and have no moment resistance. Further, a connection provided by means of welding plates requires both an exact positioning of the welding plates in the formwork prior to pouring of concrete, and a comprehensive check of the positioning of the elements prior to welding.
- the invention has for its object to remedy or to reduce at least one of the drawbacks of the prior art, or at least to provide a useful alternative to prior art.
- a building structure connecting means for connecting an end portion of at least one first building element having a thickness, to an end portion of at least one second building element.
- the connecting means comprises:
- first joint element for connection to the end portion of the first building element; the first joint element having a length substantially corresponding to the thickness of the first building element;
- the elongate member may have a length exceeding the length of the first joint element. This has the effect that each of the at least one elongate member being slid into engagement with the first and second joint elements provides a rigid connection capable of transferring bending moment.
- the structure comprising at least one first building element and at least one second building element comprising the first and second joint elements, respectively, may therefore be designed as a rigid frame structure.
- the elongate member may be a girder having an H- or l-girder section.
- At least the first joint element may be provided with a recess for receiving a flange of the girder and a slot for receiving a web of the girder.
- the slot extends through at least one end portion of the first joint element, thereby being arranged to be able to allow sliding movement of the elongate member or girder relative to the first joint element.
- a slot extending through both end portions of the first joint element allows an elongate member to extend from both end portions and is preferred as this gives a greater range of use.
- the second joint element may comprise a cavity for receiving and supporting an end portion of the elongate member.
- the second joint element may provide an enclosure for the end portion of the elongate member.
- the second joint element may be provided with a bottom plate for supporting an end face of the elongate member.
- the elongate member (20) may be a bolt configured for receiving a nut for providing a bolted connection between at least one of the first joint element and the second joint element.
- the first joint element may comprise a box section integrated in the end portion of the first building element.
- the box section is provided with at least one aperture for receiving the bolt.
- the second joint element of the connection means may comprise a plate member forming a part of the end portion of the second building element, the plate member provided with at least one aperture mating with the aperture in the box section.
- the bolt may connect the box section with the plate member.
- the first building element may be a slab element
- the second building element may be a support for supporting the slab element.
- the slab element may form part of a floor and the support may form part of a wall.
- the support may alternatively or additionally be arranged on top of the first building element, i.e. being supported by the slab element.
- the connection means according to the present invention may provide a rigid connection between a first building element, such as a floor element, and a second building element, such as a wall element, supporting the first building element, and/or between said first building element and a further second building element being supported by the first building element, i.e. wherein the second building element is arranged on top of the first building element.
- the first building element and the second building element may be made of concrete.
- such concrete elements are prefabricated.
- the concrete elements may be solid.
- solid concrete has a density which is typically in the order of 2400-2500 kg/m 3 .
- Such a high density is encumbered with several drawbacks.
- One of the drawbacks is that handling such elements which may weigh several tonnes requires relatively powerful lifting equipment. At a building site it may be problematic to arrange access for powerful lifting equipment that might be required during installation of the slab elements and wall elements.
- Another drawback related to heavy structures is restrictions on the axle pressure permitted on the road network, which may result in more trips from the manufacturer to the building site. In places where it is difficult to provide lifting equipment of sufficient capacity, the drawback of heavy, prefabricated slab elements is even greater. If, in addition, the road standard is poor, road transport may at best be challenging.
- an aggregate of the concrete may comprise particulate expanded polystyrene.
- Patent application PCT/NO2016/050083 discloses a plate-shaped slab element for use as a floor in a building.
- the slab has a length defined by first end portions, a width defined by second end portions and a thickness defined by a top side and a bottom side.
- the slab element is made from concrete with an aggregate comprising an expanded plastic material, and the slab element is provided with reinforcement comprising an upper mesh reinforcement and a lower mesh reinforcement.
- the slab element is supported, at least in portions of the first end portions, by a supporting element.
- the slab element includes at least two spaced-apart lattice girders, each extending at least in a two-dimensional extent between the first end portions.
- the at least two spaced-apart lattice girders are connected at an upper portion and at a lower portion to the upper mesh reinforcement and the lower mesh reinforcement, respectively. All reinforcement is embedded in concrete of the kind in which the aggregate of the concrete comprises particulate expanded polystyrene.
- the aggregate of the concrete consists exclusively of particulate expanded polystyrene.
- EPS concrete concrete of the kind in which the aggregate of the concrete comprises or consists of particulate expanded polystyrene will also be referred to as EPS concrete.
- the use of EPS concrete as a material in addition to reinforcement has the effect of the plate element achieving a density in the order of 20-25 % of that of a corresponding slab made from solid, reinforced concrete, and in the order of 40-50 % of that of a corresponding slab made as a filigree slab.
- the reduced density will, in turn, have the positive effect of allowing the amount of reinforcement to be reduced in relation to that necessary for a corresponding slab of a higher density.
- a reduced amount of reinforcement will, in turn, have a positive effect on the overall weight of the structure.
- the lattice girders embedded in the EPS concrete are stabilized against buckling on compressive stress by both the EPS concrete and the upper and lower mesh reinforcements. It is therefore important that each of these is firmly fixed to the lattice girders. Adhesion between the EPS concrete and the reinforcement ensures exploitation of the tensile capacity of the reinforcement.
- the two-dimensional lattice girder may be formed of wire and comprises a lower chord, an upper chord and diagonal members extending in zigzag between the lower chord and the upper chord between the first end portions.
- the purpose of the diagonal members is to absorb shear forces.
- the lattice girder may extend in three-dimensions between the first end portions. This has the effect of increasing the buckling capacity in relation to that of a two-dimensional lattice girder, among other things.
- Such a three-dimensional lattice girder may be formed of wire and comprises a lower chord, an upper chord and diagonal members extending in zigzag between the lower chord and the upper chord, at least one of the upper chord and the lower chord comprising two spaced-apart wires. Seen from an end portion, the at least two lattice girders that are arranged in a spaced-apart manner may thus exhibit a V-shape or a ⁇ -shape, or a combination thereof.
- the joint of the reinforcement may be provided by means of welding.
- the application PCT/NO2016/050083 further discloses a method of producing the plate-shaped slab element, wherein the method includes: providing a formwork; positioning at least two lattice girders with upper portions and lower portions substantially in parallel, and joining a mesh reinforcement to each of the upper and lower portions of the lattice girders in order to produce a complete reinforcement; placing the complete reinforcement in the desired position in the formwork; and preparing a homogenous concrete mass in which the aggregate of the concrete comprises particulate expanded polystyrene, and filling the concrete into the formwork so that the complete reinforcement is embedded in the homogenous concrete mass.
- the plate-shaped slab element disclosed in PCT/NO2016/050083 is particularly suitable for use as the first building element for carrying the first joint element, and the second building element for carrying the second joint element both of which form part of the connection means according to the present invention.
- the first building element and the second building element may include at least two spaced- apart lattice girders, each extending at least in a two-dimensional extent between the end portions, the at least two spaced-apart lattice girders may be connected at an upper portion and at a lower portion to an upper mesh reinforcement and a lower mesh reinforcement, respectively.
- a concrete slab element is provided with at least two spaced-apart three-dimensional lattice girders connected at an upper portion and at a lower portion to an upper mesh reinforcement and a lower mesh reinforcement.
- the concrete wall element may be provided with a similar reinforcement arrangement, or by means of at least two spaced-apart two-dimensional lattice girders connected at an upper portion and at a lower portion to an upper mesh reinforcement and a lower mesh reinforcement.
- first joint element and the second joint element In order to achieve a rigid connection capable of transferring bending moment, the first joint element and the second joint element according to the present invention, must be fixed to the end portions of the first building element and second building element, respectively.
- the joint elements may be fixed by means of mechanical connection means, such as bolts, wires etc., welding, adhesive means or a combination of two or more of those.
- first and second joint elements may be fixed to a portion of the reinforcement of the first and second building elements, respectively, by means of a weld.
- the joint elements may be fixed to the reinforcement by means of wires.
- each lattice girder is provided with a first joint element or a second joint element.
- first and second joint elements may alternatively be fixed to the first and second building elements by means of for example rods or angle steel extending from the joint elements into the building elements.
- rods or angle steel must be designed to resist forces acting on the joint elements.
- Said rods or angle steel and/or the joint elements themselves must be secured in correct position prior to pouring concrete into the formwork, for example by connecting the joint element to the formwork.
- the second building element for example a wall element, may in one embodiment be provided with at least one element bore extending through side faces, i.e. the thickness, thereof and through the second joint element.
- a corresponding member bore may be provided through a portion of the elongate member.
- the bores are arranged at positions allowing alignment of the bores after the elongate member has been slid into the cavity of the second joint element so that a locking device for preventing movement of the elongate member out of the cavity, may be inserted into the bores.
- the locking device may typically be a rod, for example a bolt. Such a bolt may be provided with a nut to prevent movement of the bolt out of the bore.
- the bores in the second building element, the second joint element and the elongate member may thus be premade and arranged at positions allowing alignment of the bores in the position of use.
- the bore for receiving the locking device may be made by drilling through said elements and member after installation.
- a building comprising the connecting means according to first aspect of the invention.
- a third aspect of the present invention there is provided a method for connecting building elements by means of the connecting means according to the first aspect of the invention, wherein the method comprises:
- the at least one first joint element and second joint element may be mutually aligned so that they are brought into a mutually correct position for receiving the elongate member. Thereafter, the elongate member may first be slid into engagement with the first joint element(s) and further into engagement with the second joint element.
- the elongate member may first be inserted into engagement with the second joint element so that it protrudes upwardly therefrom. Thereafter, the first joint element of the first building element may be slid into engagement with the elongate member and lowered until the first building element is supported on top of the second building element.
- the elongate member may have a length providing an upward protrusion from a top surface of the first building element.
- the second joint element of the further second building element (for example a wall element or a column) may then be slid into engagement with the protruding elongate member.
- a locking device may be inserted through a bore extending therethrough, through the second joint and through the elongate member, as discussed above.
- the connecting means will assure correct mutual position of the building elements and also a rigid connection capable of transferring bending moments. Further, a building structure assembled by means of the connecting means according to the present invention, may easily be disassembled. Such a possibility of disassembly is particularly useful for temporary building structures.
- Fig. 1 shows a perspective view of spaced apart items of the connection means
- Fig. 2 shows in a larger scale a first joint element connected to an end portion of a first building element shown to the right in fig. 1 ;
- Fig. 3 shows in a larger scale a second joint element connected to an uppermost end portion of a lowermost second building element shown in fig. 1 ;
- Fig. 4 shows two first building elements aligned and abutting each other on top of a second building element, and further an elongate member prior to interlocking the first joint elements of the first building elements with the second joint element of the second building element;
- Fig. 5a shows a second building element being lowered on top of the first building elements shown in fig. 4, but after the elongate member has been inserted;
- Fig. 5b shows in larger scale a top view of the first building elements shown in fig. 5a, after installing the elongate member;
- Fig. 5c shows in larger scale an alternative embodiment of the connecting means shown in fig. 5b;
- Fig. 6 shows the building structure after the second building element shown in fig. 5a has been connected
- Fig. 7 shows a portion of a building structure after assembly
- Fig. 8a shows a typical plate-shaped concrete slab element comprising, at opposite end portions, first joint elements according to the present invention, the concrete slab is viewed from a top side in which lattice girders are shown;
- Fig. 8b shows the slab element of fig. 8a in a sectional view through l-l of fig. 8a, and an additional wall element supporting the slab element;
- Fig. 9a shows a section through the line ll-ll of fig. 8a on a larger scale
- Fig. 9b shows an alternative embodiment of the lattice girder shown in fig. 9a;
- Fig. 10a shows an alternative embodiment of a first joint element and a second joint element connected to an end portion of a first building element and a second building element, respectively, prior to connecting the joint elements, the second building elements being an outer wall;
- Fig. 10b shows in larger scale the joint elements in fig. 10a connected together
- Fig. 11a shows in larger scale similar joint elements as shown in fig. 10a, but where the second building element is an inner wall;
- Fig. 11 b shows the joint elements in fig. 11a connected together
- Figs. 12a -12b show an alternative embodiment of the joint elements in figures 10a and 10b;
- Figs. 12c shows an alternative embodiment of the joint elements in fig. 11 b;
- Fig. 13a shows in larger scale a cut through A-A in fig. 10a
- Fig. 13b shows in larger scale a cut through B-B in fig. 10a
- Fig. 13c shows in larger scale a cut through C-C in fig. 10a
- Fig. 14a shows the first joint elements and second joint elements utilized in the building elements shown in fig. 11 a;
- Fig. 14b shows the first joint elements and second joint elements utilized in the building elements shown in fig. 11 b;
- Fig 14c shows a cut through D-D in fig. 14b, i.e. the first joint elements seen from above;
- Fig. 15 shows a principle, perspective view of a first building element connected between two second building elements similar to the embodiment shown in fig. 10b.
- Positional specifications such as over, under, upper, lower, top, bottom, right and left, refer to the positions that are shown in the figures.
- the reference numeral 1 indicates a building structure connecting means.
- the connecting means 1 is configured for connecting an end portion 3 of at least one first building element 5 to an end portion 7 of at least one second building element 9.
- first building elements 5 are shown as plate-shaped concrete slabs 5
- second building elements 9 are shown as plate-shaped concrete wall elements 9.
- Each slab 5 and wall element 9 is provided with reinforcement R as will be discussed below.
- the concrete slab has a length L5, a width W5 and a thickness T5.
- the concrete wall element 9 has a length L9, a width W9 and a thickness T9. It should be noted that in figures 1 to 7 and figures 10a to 13c only a portion of each slab 5 and wall element 9 is shown. Normally, the lengths L5 and L9 are larger than the width W5 and W9 of the slab 5 and wall element 9, respectively, as shown in fig. 8a.
- width W5 of the slab 5 may be different from the width W9 of the wall element 9, although shown identical in figures 1 , 4, 5a and 6.
- the connecting means 1 comprises a first joint element 11 integrally connected to the end portion 3 of the concrete slab 5, i.e. the first joint element constitute a part of the end portion of the concrete slab 5.
- the first joint element 1 1 has a length substantially corresponding to the thickness T5 of the concrete slab 5, i.e. a longitudinal axis of the first joint element 11 extends between a top surface and a bottom surface of the concrete slab 5.
- the connecting means 1 further comprises a second joint element 13 integrally connected to the end portion 7 of the wall element 9, i.e. the second joint element 13 constitute a part of the end portion 7 of the wall element 9.
- the second joint element 13 has in the first embodiment a longitudinal axis running in parallel with a longitudinal axis extending between the end portions 7 of the second building elements 9.
- the connecting means 1 further comprises an elongate member 20 for interlocking with at least one, i.e. one or two, first joint element 11 and at least one, i.e. one or two, second joint element 13.
- the elongate member 20 has a length exceeding the length of the first joint element 11 , i.e. exceeding the thickness T5 of the slab 5.
- the elongate member 20 is a girder 20 having an H-girder section comprising girder flanges 22 spaced apart by a girder web 24 as shown in fig. 5b.
- the elongate member 20 may have an l-girder section as shown in larger scale in fig. 5c.
- the first joint element 11 is provided with a recess 111 for receiving a portion of one of the girder flanges 22 of the girder 20, and a slot 113 for receiving a portion of the girder web 24.
- the recess 111 and the slot 113 are open-ended, so that the girder 20 may slide with respect to the first joint element 11. See for example fig. 4.
- An advantage with an elongate member 20 having H- or l-girder section is that the elongate member 20 may connect two first building elements 5 aligned and abutting each other on top of a second building element 9.
- the first joint element 11 is in the first embodiment shown in fig. 2, further provided with a top flange 115 and a bottom flange 117 connected, for example by means of a weld, at end portions of the first joint element 11.
- the top flange 115 and bottom flange 117 extend in parallel with a top and bottom surface, respectively, of the slab element 5.
- the primary purpose of the flanges 115, 1 7 is to provide a rigid connection between the first joint element 11 and the slab 5.
- Rods 119 are connected to inner end portions of the flanges 115, 17 by means of a weld.
- One purpose of the rods 1 19 is to serve as stiffeners for keeping the flanges 115, 117 in correct position with respect to the surfaces of the concrete slab 5.
- Another purpose of the rods 119 is to serve as a binding agent between the concrete and the first joint element 11 , thereby reducing the risk of pulling out the first joint element 11 when subject to, for example, bending moment.
- the flanges 115, 117 may further be provided with a plurality of friction- or engagement increasing means, such as protrusions (not shown) extending into the concrete slab element 5.
- a plurality of friction- or engagement increasing means such as protrusions (not shown) extending into the concrete slab element 5.
- the H- or I -girder 20 may be replaced by for example an RHS-girder ⁇ RHS- Rectangular Hollow Section).
- the slot 113 in the first joint element may then be superfluous.
- the second joint element 13 comprises in the embodiment shown for example in fig. 3, a cavity 131 for receiving and supporting an end portion of the elongate member 20.
- the cavity 131 is defined by a rectangular hollow section 133 configured to provide support for the girder flanges 22.
- a longitudinal axis of the rectangular hollow section 133 runs in parallel with a longitudinal axis extending between end portions 7 of the second building element 9.
- the rectangular hollow section 133 is provided with RHS flanges 135 extending rectangularly outwards from the rectangular hollow section 133 so that the RHS flanges 135 is planar with an end surface 7 of the second building element 9.
- the purpose of the RHS flanges 135 is similar to that of the flanges 115, 117 of the first building element 5.
- the second joint element 13 may, as mentioned above, be provided with a bottom plate (not shown) for supporting an end face of the elongate member 20, and for preventing flow of uncured concrete into the cavity during manufacturing of the second building element 9.
- joint elements 11 , 13 are in the embodiment shown connected to the reinforcement R for example my means of welds.
- Fig. 1 shows an "exploded" view of the first embodiment of the connecting means 1 according to the present invention wherein two concrete slabs 5 are to be supported by a wall element 9. After installation of the two concrete slabs 5, a further wall element 9 is to be put on top thereof. To provide a rigid connection capable of transferring bending moment, the elements 5, 9 are interconnected by means of the H-girder 20.
- the H- or I -girder 20 may be connected in at least three alternative steps.
- the H- girder 20 is slid into engagement with the recesses 111 and slots 113 of the first joint elements 11 of the slabs 5, and then into the cavity 131 of the lower second joint element 13. Thereafter, upper wall element 9 is lowered onto the slabs 5 such that the H- or l-girder 20 slides into the cavity 131 in the second joint element 13.
- the first alternative is indicated in figures 4 and 5a.
- the H- or l-girder 20 may be inserted into the cavity 131 of the lower second joint element 13 prior to installing the slabs 5 onto the wall element 9. Then, each of the slabs 5 is successively connected to the H- or l-girder 20 by "threading" the first joint element 11 into a top portion of the H- or l-girder 20 and then slide the slab 5 until it abuts the top portion 7 of the lower wall element 11. Thereafter, the upper wall element 9 is lowered onto the slabs 5 such that the H- or l-girder 20 slides into the cavity 131 in the second joint element 13.
- the H- or l-girder 20 may be inserted into the cavity 131 of the second joint element 13 of the upper wall portion 9 and connected thereto.
- the upper wall portion 9 is then lowered such that the H- or l-girder 20 slides simultaneously into engagement with the first joint elements 11 of the slabs 5 resting on the lower wall element 9 and further into engagement with the cavity 131 of the lower second joint element 13.
- the upper and lower wall elements 9 may be prevented from vertical movement by means of a locking device.
- the locking device is shown as a bolt 26 inserted through a bore 28 running through the wall element 9, the second joint element 13 and a bore 29 running through the H- or l-girder 20, as shown in principle in figures 6 and 7.
- the slabs 5 and walls 7 are for illustrative purposes shown as transparent concrete elements with reinforcement generally denoted R.
- Fig. 5b and fig. 5c show an elongate member 20 in the form of an H-girder 20 and an l-girder 20, respectively.
- the web 24 of the l-girder 20 shown in fig. 5c is supported by means of angle irons 30 (four shown) bolted to a portion of the first joint element 11.
- Figures 8a, 8b, 9a and 9b show principle drawings of a suitable reinforcement. Reinforcement in the wall element 9 is not shown in fig. 8b.
- Figures 8a, 8b and 9a show a lattice girder 1 0 extending in zigzag both in the width and in the height between the first end portions 3 of the slab 5. For clarity, a reinforcement in the wall portion is not shown in fig. 8b.
- An upper mesh reinforcement 142 is fixed by means of weld connections to an upper portion 140' of the lattice girder 140.
- a lower mesh reinforcement 144 is fixed by means of weld connections to a lower portion 140" of the lattice girder
- the lattice girder 140 comprises a lower chord 146, an upper chord 148 and diagonal members 150 extending in zigzag between the lower chord 146 and the upper chord 148 along the length L5 of the slab element 5.
- the lattice girder 140 is shown in a first, three-dimensional variant.
- the lattice girders 140 are shown arranged alternatingly in a ⁇ -shape and a V-shape.
- the lattice girder 140 in a ⁇ -shape (three shown in fig. 9a) is provided, in its lower portion 140", with two lower chords 146 arranged in parallel and in a spaced-apart manner.
- the lattice girder 140 is provided with one upper chord 148.
- the diagonal members 150 are "wrapped” in zigzag around the longitudinal axes of the chords 146, 148.
- the lattice girder 140 in a V-shape (two shown in fig. 9a) is provided, in its lower portion 140", with one lower chord 46.
- the lattice girder 140 is provided with two upper chords 148 arranged in parallel and in a spaced-apart manner.
- the diagonal members 150 are wrapped in zigzag around the longitudinal axes of the chords 146, 148.
- the lattice girder 140 is shown in a second two-dimensional variant, in which the lower chord 146 consists of one wire, and the upper chord 148 consists of one wire.
- the diagonal members 150 are wrapped in zigzags along the longitudinal axes of the chords 1 6, 148.
- the wail elements 9 may be provided with a similar arrangement of the reinforcement.
- the concrete slab 5 is provided with a reinforcement arrangement shown in fig. 9a, while the wall element 9 is provided with a reinforcement arrangement as shown in fig. 9b.
- FIGS 10a to 5 showing an alternative embodiment of the first embodiment of the connecting means 1 shown in figures 1 to 7 and also indicated in figures 8a and 8b. This alternative embodiment will be denoted the second embodiment.
- the elongate member 20 of the first embodiment is in the form of a member, such as an H- or l-girder, having a length exceeding the length of the first joint element 11
- the elongate member 20 of the second embodiment is in the form of a boit or a plurality of bolts 20 configured for slidable engagement with at least one of for example the first joint element 11 and the second joint element 13.
- the first joint element 11 and the second joint element 13 are typically made from metal, such as steel.
- the first joint element 11 comprises a box section 111 integrated in and forming part of the end portion 3 of the first building element 5, see for example fig. 13c and fig. 15.
- the box section 111 is provided with apertures 112 for receiving elongate members 20 in the form of bolts 20.
- the second joint element 13 shown in the second embodiment comprises a plate member 132 forming part of the end portion 7 of the second building element 9.
- the plate member 132 is in the embodiment shown provided with apertures 112 ' (see fig. 14a) for mating with the apertures 112 in the box section 111.
- the plate member may be provided with bolts fixedly connected, typically by means of a weld, to an outer portion of the plate member 132 so that the bolts protrude from said portion and can be slid into the apertures 1 12 of the box section 11 1.
- Fig. 10a shows the first building element 5 in the form of a reinforced concrete slab 5 prior to assembly with two second building elements 9 in the form of outer wall elements 9.
- One of the outer wall elements 9 is going to form a support for the slab 5, while the other one is going to be supported by the slab 5.
- the wall elements 9 are made from reinforced concrete.
- the reinforcement of the slab 5 and wall elements 9 are similar to that shown in fig. 9b.
- the lowermost of the two wall elements 9 shown, is to be supported by a foundation F known per se provided with bolts 20F protruding from a top portion of the foundation F.
- the box section 11 1 of the first joint element 11 and the plate member 132 of the second joint element 13 are further provided with protruding members 120 extending into the concrete of the slab 5 and wall elements 9, respectively.
- the protruding members 120 are in the form of angular steel members 120 fixedly connected, for example by means of a weld, to each of the box section 1 11 and the plate member 132.
- the protruding members 120 are connected to the box section 1 1 1 of the first joint element 11 and the plate member 132 of the second joint element 13 prior to arranging the first joint element 1 1 and second joint element 13 in a formwork.
- the protruding members 120 can therefore be connected to a portion of the reinforcement 146, 148, for example by a wire or preferably by means of a weld.
- the advantage of welding the protruding members 120 to the reinforcement 146, 148 is that forces carried by the reinforcement 146, 148, 150 is transferred directly to the angular steel elements 120 and to the box section 11 1 of first joint element 1 1 and the plate member 132 of second joint element 13, respectively. When connected, the connection will be capable of transferring bending moments between one or more wall element(s) 9 and one or more slab element(s) 5.
- the aggregate of the concrete comprises or consists of particulate expanded polystyrene, i.e. when the slab 5 and wall element 9 are made from EPS concrete, wherein tension and compression forces are carried substantially by the reinforcement R only, and the EPS concrete provides support for reinforcement being in compression and thus prevents buckling of the compression reinforcement.
- protruding members 120 may as an alternative to angular steel, be made from for example steel rods. However, protruding members 120 made from angular steel are preferred as such angular steel members 120 will provide a connection being much stiffer than a connection made from steel rods. A stiff connection is particularly desirable when there is a desire for a connection capable of transferring bending moments between one or more wall element(s) 9 and one or more slab element(s) 5.
- an end portion of the box section 111 of the first joint element 11 forming part of an end face of the slab end portion 3, is provided with a detachable end plate 111 '.
- the end plate 111 ' is shown detached in fig. 10a, and connected to the box section 111 in fig. 10b.
- the purpose of the detachable end plate 111 ' is to get access to an inside of the box section 111 such that nuts can be connected to bolts 20 extending from the second joint elements 13 and slid through the apertures 112 in the box section 111 during erection of a building structure comprising the connection means 1.
- the detachable end plate 111 ' makes it possible to get access to the joint if there is a need for dismantling a building structure comprising the connecting means
- the first joint element 11 may be provided with further stiffening devices, such as for example stiffening ribs connected to one or more of the walls and possibly also to the detachable end plate 11 ⁇ , to increase the load bearing capacity of the first joint element 11.
- Fig. 13b is a view from section B-B in fig. 10a and shows four end plate supports 111 " for supporting the end plate 11 ⁇ connected by means of screws (not shown).
- a detached end plate 111 ' is indicated to the right of the box section 111 in fig. 10a.
- the bolts 20 constituting the elongate member for slidable engaging the first joint element 11 and the second joint element 13, are pre-installed through the apertures 112 ' in the plate member 132 of the second joint element 13 during manufacturing of the wall elements 9, i.e. prior to pouring concrete into a formwork.
- a lower end portion of the wall element 9 below the slab 5 is provided with cut-outs 9 ' indicated by dotted lines.
- the purpose of the cut-outs 9 ' is to get access for connecting nuts to the bolts 20F protruding from the foundation F. After tightening of the bolt and nut connection, the cut-outs 9 ' may be sealed by a suitable sealing means.
- Fig. 10b shows in a larger scale the same elements as shown in fig. 10a after assembling a building structure by means of the connecting means 1.
- Fig. 11a shows the first building element in the form of two reinforced concrete slabs 5 prior to assembly with second building elements in the form of inner wall elements 9.
- the lower inner wall element 9 is going to form a support for the slabs 5, while the upper wall element 9 is going to be supported by the slabs 5.
- the building structure connecting means 1 shown in fig. 11a has several features in common with that shown in fig. 10a.
- the angular steel 120 protruding from each of the the box sections 111 and the plate members 132, are connected thereto and to the reinforcement 146, 148 in the same way as described above.
- the box section 111 of the first joint element 11 is provided with a partly open top portion instead of the detachable end plate 111 ' shown in fig. 10a.
- the partly open top portion which is best seen in figures 14a and 1 c, is denoted by reference numeral 114.
- the purpose of the partly open top portion 114 of the box section 111 is to get access to the internal portions of the two box sections 111 for connecting nuts to the bolts 20 extending into the box sections 11 from the lower wall element 9, and to the "horizontal" bolts shown.
- the partly open top portion 114 is available only prior to lowering the upper wall element 9 onto the slabs 5.
- the top portion of the box section 11 1 is provided with bolt-supporting lips 20 ' (four shown in fig. 14c) for supporting bolts (not shown) to be slid into engagement with the plate member 132 of the upper wail element 9 which is to be supported by the slab 5.
- the bolts 20 are connected to the supporting lips 20 ' typically by means of threaded connections.
- the lower wall element 9 shown in fig. 11a is in the embodiment shown identical to the lower wall element 9 shown in fig. 10a.
- the lower end portion of the wail element 9 above the slab 5 is provided with a cut-out 9 ' similar to the cut-out shown in fig. 0a for the lower end portion of the wall element 9 below the slab 5.
- the purpose of the cut-outs 9 ' is to get access for connecting nuts to the bolts 20 protruding from the supporting lips 20 ' of the box sections 111 of the first joint elements 11. After tightening of the bolt and nut connection, the cut-outs 9 ' will typically be sealed with a suitable sealing means.
- the lower end portion of the wall element 9 above the slab 5, as shown in fig. 10a may be similar to that shown in fig. 11a, i.e. the bolts 20 may be slid from an inside of the box section 111 shown in fig. 10a and into the apertures 112 ' (see fig. 14a) of the plate member 132 of the upper wall element 9 being above the slab 5.
- Fig. 11 b shows the same elements as shown in fig. 1 1a after assembling a building structure by means of the connecting means 1.
- the internal portion of the box section 111 of the first joint element 11 is accessible at all times until the detachable end plate 11 ⁇ is fixed to the box section 111.
- the tightening of the bolts by means of the nuts may, but does not have to, be carried out after the upper wall element 9 rests on the slab 5 which rests on the lower wall element
- the internal portion of the box section 111 of the first joint element 11 is accessible only until the upper wall element 9 is lowered onto the slabs 5 so that the end portion 7 of the upper wall element 9 covers the partly open top portion 114 of the box section 111.
- the bolts 20 connecting the slabs 5 to the lower wall element 9 and the end portions of each of the box sections 111 must be provided with nuts and tightened prior to lowering the upper wall element 9 onto the slabs 5. Thereafter, the bolts 20 for connecting the upper wall element 9 to the slabs 5 must be provided with nuts, and tightened.
- the horizontal bolts 20 may be superfluous.
- said horizontal bolts 20 may be replaced by suitable engagement means, such as for example hooking devices arranged for interconnecting with each other when sliding the end portion of one of the slabs 5 provided with a hooking device, with respect to the end portion of the other of the slabs 5 also provided with a hooking device.
- FIG. 12a to 12c showing inter alia an alternative embodiment of the elongate members 20, i.e. the bolts, shown in figures 10a to 11 b.
- each of the elongate members 20 having a longitudinal axis extending vertically has a length exceeding the length of the first joint element 1.
- length of the first joint element 11 is meant the height of the box section 11 1 which substantially corresponds to the thickness of the slab 5.
- the elongate members 20 shown in figures 12a to 12c are shown as bolts 20 extending from the plate member 32 of the lower wall element 9 in the same way as described above. Due to their length exceeding the length of the box section 11 1 of the slab 5 (figs. 12a and 12b) or slabs (fig. 12c), each one of the elongate members or bolts 20 will provide a continuous connection between both of the wail elements 9 and the slab element(s) 5. Thus, the boits may also transfer vertical loads between the upper and lower wall elements 9.
- the elongate members 20 will thus provide a slidabie engagement with at least one of the first joint element and the second joint element such that relative horizontal movement between the first joint element 11 and the second joint element 13 is prevented even before the bolt 20 is provided with a nut.
- the lower end portion of the wall element 9 above the slab(s) 5 is provided with a cut-out 9 ' similar to the cut-out 9 ' shown in fig. 1 1 a to allow engagement of a nut to the end portion of the bolt 20.
- the elongate members or bolts 20 shown in figures 2a and 12b may make the detachable plate 11 1 " superfluous.
- the box section 11 1 may thus be provided with a welded end portion.
- further loadbearing means such as for example one or more stiffening ribs, may be provided in the internal portions of the box section 1 1 1.
- the horizontal bolts 20 disclosed in fig. 11 b are superfluous, or if said horizontal bolts 20 are replaced by suitable engagement means, as discussed above, the partly open top portion 1 14 of the box section 1 1 1 shown for example in figs. 11 a, 11 b and 14c, may be replaced with a solid portion provided with apertures for the bolts 20 only.
- Bolt guiding means such as for example tubes (not shown) may extend between the apertures 1 12 of the box sections 111.
- Fig. 13a shows a cut through A-A in fig. 10a.
- Reinforcement 146, 148 is welded (not shown) to the upper and lower protruding members 120.
- a diagonal reinforcement member 150 extends between the protruding members 120, and a portion of the diagonal reinforcement member 150 may be welded to the protruding members 120.
- the first joint element 1 1 is shown by means of dashed lines.
- Fig. 13b shows the first joint element 1 1 and the end portion 3 the first building element seen from B-B in fig. 10a.
- Fig. 13c shows a cut through C-C in fig. 10a.
- Reinforcement 146, 148 is welded (not shown) to the protruding members 120 and extends there between.
- Figs. 14a, 14b show only the first joint elements 1 and second joint elements 13 utilized in the building elements shown in figures 1 1a and 1 1 b, respectively.
- Fig. 15 shows a principle, perspective view of a first building element 5 connected between two second building elements 9 similar to the embodiment shown in fig. 10b.
- the building elements 5, 9 are shown transparent.
- the bolts 20 extending from the lower second building element 9 into the box section 11 1 of the first building element 5 have been provided with nuts, while nuts for the bolts 20 extending downwardly from the upper second building element 9 are shown prior to engagement with the bolts 20.
- Reinforcement R is welded (not shown) to the protruding members which in the shown embodiment are in the form of angle steel.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20161000A NO342534B1 (en) | 2016-06-14 | 2016-06-14 | A connecting means of a building structure and a method of using same |
NO20161845A NO342700B1 (en) | 2016-06-14 | 2016-11-22 | A connection means of a building structure and a method of using same |
PCT/NO2017/050157 WO2017217863A1 (en) | 2016-06-14 | 2017-06-13 | A building structure connecting means and a method of using same |
Publications (3)
Publication Number | Publication Date |
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EP3469160A1 true EP3469160A1 (en) | 2019-04-17 |
EP3469160A4 EP3469160A4 (en) | 2020-01-29 |
EP3469160B1 EP3469160B1 (en) | 2020-08-19 |
Family
ID=61827437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP17813663.6A Active EP3469160B1 (en) | 2016-06-14 | 2017-06-13 | A building structure connecting means and a method of using same |
Country Status (6)
Country | Link |
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EP (1) | EP3469160B1 (en) |
CN (1) | CN109415893B (en) |
DK (1) | DK3469160T3 (en) |
LT (1) | LT3469160T (en) |
NO (2) | NO342534B1 (en) |
PL (1) | PL3469160T3 (en) |
Families Citing this family (1)
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AU2019208192B2 (en) * | 2018-07-27 | 2020-10-08 | Ecolyptic Pty Ltd | Structural panel |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
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NL60499C (en) * | ||||
US3261135A (en) * | 1963-05-16 | 1966-07-19 | Martin C Knabe | Precast concrete beam and column joint construction |
FR1536252A (en) * | 1967-05-24 | 1968-08-16 | Dyna Structures | Framework in prefabricated elements |
DE1904738A1 (en) * | 1969-01-31 | 1970-08-20 | Jakob Pink | Cross connection piece for beams and supports |
NL168590C (en) * | 1971-06-10 | 1982-04-16 | Arthur Aurelius Xaverius Silvi | FASTENING SYSTEM FOR ATTACHING PLATE-SHAPED ELEMENTS TOGETHER. |
GB1400595A (en) * | 1971-11-23 | 1975-07-16 | Dowsett Eng Australia Pty Ltd | Interconnecting structural elements |
ATE19679T1 (en) * | 1981-03-28 | 1986-05-15 | B & B Tec Holding Ag | PROCEDURE FOR ANCHORING ANCHORING BARS OD. DGL. IN CONCRETE. |
DE3167456D1 (en) * | 1981-05-18 | 1985-01-10 | Heinz Carl | Building slab |
FR2522042B1 (en) * | 1982-02-19 | 1988-10-14 | Olivier Martin Jean | METHOD FOR ASSEMBLING STRUCTURAL ELEMENTS PARTICULARLY IN REINFORCED OR PRE-STRESSED CONCRETE AND DEVICES FOR PROVIDING SUCH ASSEMBLY |
SE8403220L (en) * | 1984-06-15 | 1985-12-16 | A Betong Ab | CONCRETE ITEMS |
SE457221B (en) * | 1987-04-10 | 1988-12-05 | Straengbetong Ab | STORAGE PARTS FOR STORAGE COOPERATION BETWEEN A STANDING CONSTRUCTION PART AND A CURRENT CONSTRUCTION PART |
JPH02300441A (en) * | 1989-05-16 | 1990-12-12 | Asahi Chem Ind Co Ltd | Joint structure for wood structural material |
AT398797B (en) * | 1990-09-13 | 1995-01-25 | Stracke Ing Markus | Process for the support-free restoration of the load- bearing capacity of old floors with simultaneous improvement of the heat insulation |
DE19611200A1 (en) * | 1996-03-21 | 1997-10-30 | Europor Massivhaus Gmbh | Reinforcement arrangement for aerated concrete components |
JPH09317009A (en) * | 1996-06-03 | 1997-12-09 | Shimizu Corp | Joint structure for concrete-filled steel pipe column with beam |
DE19706010C2 (en) * | 1997-02-10 | 2001-03-08 | Kahneisen Gmbh Deutsche | Anchor channels for construction technology |
JP3941023B2 (en) * | 1997-11-06 | 2007-07-04 | 日本ヒューム株式会社 | Precast concrete joint structure |
SE521568C2 (en) * | 1999-10-05 | 2003-11-11 | Vsl Int Ag | A connecting element |
US20060236627A1 (en) * | 2005-04-01 | 2006-10-26 | Messenger Harold G | Combination lift and anchor connector for fabricated wall and floor panels |
NO333001B1 (en) * | 2007-02-08 | 2013-02-11 | Selvaag Spinoff As | building Element |
FR2925085A1 (en) * | 2007-12-13 | 2009-06-19 | Arnaud Marie Aleaume Lallemand | COMPLETE CONSTRUCTION SYSTEM FOR RAPID BUILDING ASSEMBLY, COMPRISING A BUILDING ELEMENT WITH ITS ACCESSORIES AND METHODS OF ASSEMBLING THE SAME |
CN201202181Y (en) * | 2008-05-14 | 2009-03-04 | 万科企业股份有限公司 | Connection structure for precast concrete board and beam and construction including the same |
AU2011250662A1 (en) * | 2010-05-06 | 2013-01-10 | Ekco Patent & Ip Holdings Pty Ltd | A building structure |
CN202866078U (en) * | 2012-10-19 | 2013-04-10 | 山东万斯达建筑科技有限公司 | Concrete floor plate building component provided with load-bearing truss reinforcing steel bar frames |
-
2016
- 2016-06-14 NO NO20161000A patent/NO342534B1/en unknown
- 2016-11-22 NO NO20161845A patent/NO342700B1/en unknown
-
2017
- 2017-06-13 EP EP17813663.6A patent/EP3469160B1/en active Active
- 2017-06-13 DK DK17813663.6T patent/DK3469160T3/en active
- 2017-06-13 LT LTEP17813663.6T patent/LT3469160T/en unknown
- 2017-06-13 PL PL17813663.6T patent/PL3469160T3/en unknown
- 2017-06-13 CN CN201780037359.8A patent/CN109415893B/en active Active
Also Published As
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LT3469160T (en) | 2020-11-10 |
NO342700B1 (en) | 2018-07-09 |
CN109415893B (en) | 2021-06-01 |
EP3469160B1 (en) | 2020-08-19 |
PL3469160T3 (en) | 2021-02-22 |
NO20161845A1 (en) | 2017-12-15 |
DK3469160T3 (en) | 2020-11-02 |
NO20161000A1 (en) | 2017-12-15 |
NO342534B1 (en) | 2018-06-11 |
EP3469160A4 (en) | 2020-01-29 |
CN109415893A (en) | 2019-03-01 |
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