WO2017093471A1 - Joint de traction avec un adaptateur pour relier des éléments en béton préfabriqués - Google Patents

Joint de traction avec un adaptateur pour relier des éléments en béton préfabriqués Download PDF

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Publication number
WO2017093471A1
WO2017093471A1 PCT/EP2016/079563 EP2016079563W WO2017093471A1 WO 2017093471 A1 WO2017093471 A1 WO 2017093471A1 EP 2016079563 W EP2016079563 W EP 2016079563W WO 2017093471 A1 WO2017093471 A1 WO 2017093471A1
Authority
WO
WIPO (PCT)
Prior art keywords
adapter
tension lock
opening
sections
side walls
Prior art date
Application number
PCT/EP2016/079563
Other languages
English (en)
Inventor
Klaus Jaeschke
Jan Dittmar
Original Assignee
B.T. Innovation Gmbh
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 B.T. Innovation Gmbh filed Critical B.T. Innovation Gmbh
Priority to KR1020187018571A priority Critical patent/KR102227837B1/ko
Priority to CN201680080127.6A priority patent/CN108603370B/zh
Publication of WO2017093471A1 publication Critical patent/WO2017093471A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E04B1/043—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
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4114—Elements with sockets
    • 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
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/023—Separate connecting devices for prefabricated floor-slabs

Definitions

  • the present invention relates to a tension lock with an adapter for joining prefabricated concrete elements as well as a construction kit for joining prefabricated concrete elements comprising at least one tension lock according to the invention with an adapter.
  • connection is, firstly, to be produced quickly and inexpensively; secondly, the connection must also be able to withstand high long-term loads.
  • Joining the concrete elements is done, for example, with a tension lock as described in WO 2013/131530 A1. With such a tension lock, the concrete elements can be quickly and reliably joined at the construction site.
  • tension lock can be used in many ways, there are nevertheless installation situations in which the tension lock can not be used.
  • a further object of the invention is to provide a construction kit with such a tension lock.
  • a tension lock with an adapter for joining prefabricated concrete elements, which is substantially formed to be shell-shaped, with at least two side walls which are substantially planar and disposed parallel opposite to each other, and at least two side walls which in a cross-sectional view at least in sections converge conically, and with a receiving space accessible at least from the outside via an access opening, and additional passage sections preferably disposed opposite to each other which open into the receiving space and which are provided as passage openings for the insertion of fastening devices, where the passage sections are formed in the planar side walls and have at least one insertion opening which is formed arranged in the base of the tension lock opposite to the access opening, where the adapter is arranged in the receiving space of the tension lock and is at its side facing the base of the tension lock is at least in sections formed to be convex, preferably barrel-shaped, so that a positive fit between the tension lock and the adapter arises at least in sections and the adapter has a planar bearing surface at least in sections at its side facing the access
  • the tension lock shown in WO 2013/131530 A1 has two passage sections which are formed in the planar side walls and into which fastening device can be inserted.
  • the insertion opening in the base of tension lock 1 is there not used for the insertion of a further fastening device.
  • This insertion opening is used to facilitate access to the receiving space 2, whereby installation of the tension lock is facilitated.
  • the weight of the tension lock can be reduced by way of this insertion opening.
  • the insertion opening in the base of the tension lock can also be used for inserting a fastening device. This fastening device then extends substantially perpendicular to the fastening devices which are inserted through the passage sections into the planar side walls.
  • the tension lock preferably has a tensile strength of 400 N/mm 2 to 800 N/mm 2 , preferably 450 N/mm 2 to 780 N/mm 2 , particularly preferably 500 N/mm 2 to 750 N/mm 2 , the connection can absorb and transfer very high forces. This is advantageous, for example, for the use in structures in earthquake regions and the oscillation demands associated therewith.
  • the adapter preferably has a tensile strength of 400 N/mm 2 to 800 N/mm 2 , preferably 450 N/mm 2 to 780 N/mm 2 , particularly preferably 500 N/mm 2 to 750 N/mm 2 .
  • the connection can absorb and transfer even higher forces. In this way, the safety of the structure can be ensured. High demands are placed on the stability of the building particularly in earthquake regions. By using material which has a high strength and toughness, the connection can absorb and transfer high forces.
  • the conically converging side walls can be joined to each other such that the cross-section is V-shaped or U-shaped.
  • the passage sections can preferably be offset by 90° and be designed as a slot and/or elongated hole, and one of the passage sections can preferably be designed as a slot and another one of the passage sections can be designed as an elongated hole and/or the slot can be open at least on one side and preferably open to the access opening.
  • the assembly of the prefabricated concrete elements can still further be simplified by the particular shaping of the tension lock according to the invention as well as the arrangement of the passage sections.
  • the tension lock and/or the adapter at least in sections be made of annealed cast iron or spherulitic graphite cast iron.
  • annealed cast iron When embodied as annealed cast iron, the strength and the hardness of the tension lock can be optimally adapted to the installation situation.
  • Annealed cast iron allows for a good adjustability of the toughness and the hardness, especially with thin-walled elements.
  • spherulitic graphite cast iron high strength of the tension lock can be obtained without using any additional annealing process. Furthermore, a low-cost implementation is possible by the use of spherulitic graphite cast iron.
  • tension lock and the adapter exhibit the same tensile strength and/or be made of the same material. By using materials with high tensile strengths, high stability of the connection can be enabled.
  • the opening in the adapter can be an elongated hole or a slot.
  • the fastening device can therefore be attached even more easily in the tension lock.
  • the opening area of the opening in the adapter be smaller than the opening area of the insertion opening in the base of the tension lock. Due to the larger opening area of the opening in the base of the tension lock, the fastening device can be passed more easily through the opening. The fastening device can in particular be inserted at different angles. Due to the convex, preferably barrel-shaped configuration of the side of the adapter facing the base of the tension lock, the adapter can be moved in the tension lock and compensate for tolerances such that the fastening device can be inserted more easily into the opening of the adapter.
  • the fastening device can be inserted more easily into the tension lock and reliably fastening of the fastening device in the tension lock is obtained at the same time.
  • the longitudinal axis of the opening in the adapter extend parallel to the longitudinal axis of the curvature of the adapter. Movability of the adapter in the tension lock can in this way be further increased.
  • the opening of the adapter can be adjusted to this angle due to the particular shape of the adapter so that the fastening device is easier insertable into the opening of the adapter.
  • the adapter centers itself automatically during attachment. It can be advantageous to have the adapter comprise at least one holding device on the side facing the access opening. The adapter can with this holding device more easily be inserted into and removed from the tension lock.
  • the width and the height of the tension lock can have the same length, or the width can preferably be at least 15% less than the height. In this manner, the tension lock has a compact shape and can be more easily mounted in a recess of the prefabricated concrete element.
  • the height of the adapter be at least one third of a dimension of the tension lock from a curved region joining the conically converging sides walls to the access opening. In this way, an even better foothold of the adapter in the tension lock is ensured.
  • a construction kit for joining prefabricated concrete elements comprising at least one tension lock according to the invention with an adapter, and at least three fastening devices in sections being elongated, each of which is associated with the passage section and the insertion opening, where the longitudinal axes of the fastening devices in the passage sections in the planar side walls extend substantially parallel to each other, and the longitudinal axis of the fastening device in the insertion opening of the adapter extends substantially perpendicular thereto.
  • Fig. 1 shows a schematic representation of the tension lock according to the invention with insertion openings without the adapter
  • Fig. 2 shows a top view of the tension lock according to the invention without the adapter.
  • Fig. 3 shows a sectional view of Fig. 2 along the line E-E
  • Fig. 4 shows a sectional view of Fig. 2 along the line D-D
  • Fig. 5 shows a sectional view of Fig. 2 along the line C-C
  • Fig. 6 shows a formwork element with a recess body and a pigtail anchor
  • Fig. 7 shows a schematic representation of the tension lock according to the invention without insertion openings in the conically converging side walls and without the adapter
  • Fig. 8 shows a view of the tension lock without the adapter in a welded design
  • Fig. 9 shows a schematic representation of the tension lock according to the invention without the adapter for illustrating the dimensions
  • Fig. 10 shows a schematic representation of an adapter for the tension lock according to the invention
  • Fig. 1 1 shows a schematic representation of the tension lock according to the invention with the adapter installed
  • Fig. 12 shows a top view of the tension lock according to the invention and the adapter in the non-installed state
  • Fig. 13 shows a sectional view of the tension lock according to the invention with the adapter installed and a fastening device.
  • Fig. 1 shows a schematic representation of tension lock 1 according to the invention for joining prefabricated concrete elements 10 (see Fig. 13).
  • tension lock 1 is substantially shell-shaped and has a receiving space 2 which is accessible from the outside via an access opening 9.
  • Tension lock 1 additionally comprises two passage openings 3, 4 (being offset by 90°) disposed opposite to each other and opening into receiving space 2 for the insertion of fastening devices, e.g. screws 13 (see Fig. 13).
  • a passage opening 3 is designed as a slot which is open on one side and opens into access opening 9.
  • the other passage opening 4 is in the present embodiment designed as an elongated hole.
  • the slot and the elongated hole are formed in oppositely disposed planar side walls 7, 8.
  • planar side walls 7, 8 of tension lock 1 can. for example, each therefore be provided with a slot and slot and/or an elongated hole, respectively, or with two elongated holes offset by 90°.
  • Side walls 5, 6 are respectively formed straight and in a cross-sectional view conically converging. At the end at which side walls 5, 6 converge closest, they are joined to each other by a curved region 28 ( Figure 1 1 ).
  • Conically converging side walls 5, 8 are in the present embodiment designed as being integrally formed and have a U-shaped cross-section.
  • the integrally formed design of conically converging side walls 5, 6 is only by way of example.
  • conically converging side walls 5, 6 can also be designed as individual side walls which are not joined to each other.
  • a V-shaped cross-section is also conceivable.
  • Insertion openings 20, presently being formed as recesses, are in order to reduce weight provided in conically converging side walls 5, 6 and in base 21 of tension lock 1 (see Fig. 2).
  • the arrangement and the number of insertion openings 20 depends on the respective circumstances.
  • Tension lock 1 is, at least in sections, made of metal and/or preferably of cast steel and/or steel.
  • the steel has a tensile strength of at least 400N/mm 2 to 800N/mm 2 , preferably 450N/mm 2 to 780N/mm 2 , particularly preferably 500N/mm 2 to 750N/mm 2 , and is preferably made of non-corroding steel.
  • High load-bearing cast steel guarantees the absorption of the tensile and transverse forces arising and furthermore ensures economic and low-cost production of tension lock 1.
  • tension lock 1 absorbs the tensile and transverse forces arising for the connection to be established with the respective prefabricated concrete elements 10 (see Fig. 13).
  • screw connections instead of screw connections, other suitable connections are also possible.
  • Fig. 2 shows a top view of tension lock 1.
  • Fig. 3 shows insertion opening 20 particularly well.
  • Fig. 3 as well shows insertion opening 20 particularly clearly.
  • Fig. 4 shows planar side wall 8 with elongated hole 4
  • Fig. 5 shows planar side wall 7 with slot 3.
  • the opening angle of side wall 7 is in Fig. 5 given at 38.8°. This angle is only to be considered as an example and can be adapted to the circumstances.
  • Fig. 6 shows a formwork element 17 with a recess body 15 and pigtail anchor 16.
  • Fig. 10 illustrates an adapter 23 according to the invention without tension lock 1.
  • Adapter 23 on its side facing access opening 9 of tension lock 1 in sections comprises a planar bearing surface 24. Furthermore, adapter 23 comprises an opening 25 for inserting fastening devices 13. This opening 25 is in the installed state arranged opposite to base 21 of tension lock 1. At its side facing the insertion opening 20 in base 21 of tension lock 1 , the adapter is at least in sections convex, preferably barrel-shaped, so that a positive fit arises at least in sections between tension lock 1 and adapter 23.
  • the curvature is in Fig. 10 marked with reference numeral 26.
  • opening 25 in adapter 23 is an elongated hole 25.
  • opening 25 can also be designed as a slot.
  • the dimensions of opening 25 shown in Fig. 10 are only to be regarded as being by way of example. Depending on the circumstances, the dimensions of opening 25 and also its shape can vary.
  • the longitudinal axis of opening 25 in adapter 23 extends parallel to the longitudinal axis of curvature 26 of adapter 23. Rotation of adapter 23 in tension lock 1 is thereby possible. In this way, tolerances can be compensated for and easier insertion of fastening device 13 can be achieved.
  • holding devices 27 are mounted which extend upwardly, i.e. in the installed state of adapter 23 in the direction of access opening 9 of tension lock 1.
  • the arrangement and the number of holding devices 27 are only to be regarded as being by way of example. Holding devices 27 can also be omitted. Easier insertion of adapter 23 into tension lock 1 and an easier removal of adapter 23 from tension lock 1 are made possible by holding devices 27.
  • the width B and the height A of tension lock 1 have the same length, or the width B is preferably at least 15% less than the height A.
  • the dimensions of tension lock 1 are shown in Fig. 9. It is advantageous to have the height H of adapter 23 be at least preferably about one-third of the dimension C of tension lock 1 from curved region 28 to access opening 9. Particularly high stability is obtained with such dimensions, but the dimensions can be adapted to the respective requirements.
  • Fig. 1 1 shows a tension lock 1 according to the invention with an adapter 23 for joining prefabricated concrete elements 10.
  • Tension lock 1 is formed substantially shell-shaped and comprises two side walls 7, 8 which are substantially planar and disposed parallel opposite to each other. Furthermore, tension lock 1 comprises two sidewalls 5. 6 which in a cross- sectional view conically converge. At the end where side walls 5, 6 converge the most, they are joined to each other by curved region 28.
  • Receiving space 2 is accessible via access opening 9.
  • Passage sections 3, 4 are disposed in planar side walls 7, 8 offset by 90°.
  • Tension lock 1 has an insertion opening 20 which is not visible in Fig, 1 1 and which is formed in base 21 of tension lock 1 opposite to access opening 9.
  • Adapter 23 with its curvature 26 rests at least in sections on the side of curved region 28 of tension lock 1 that is located in receiving space 2.
  • Planar bearing surface 24 of adapter 23 is there facing access opening 9 of tension lock 1.
  • a positive-fit connection is in this manner given at least in sections between tension lock 1 and adapter 23.
  • Opening 25 of adapter 23 is arranged opposite to insertion opening 20 in base 21 of tension lock 1 for the insertion of fastening devices 13 as shown, for example, in Fig. 16 (Fig. 13).
  • adapter 23 Due to the barrel-shaped design of adapter 23, the latter can be moved in the tension lock and adapted to the insertion direction of fastening device 13, so that easier insertion of fastening device 13 is possible. Due to the planar bearing surface 24, fastening device 13 is easier to fasten and also the use of, for example, a washer 12 is enabled.
  • the opening area of opening 25 in adapter 23 is preferably smaller than the opening area of insertion opening 20 in base 21 of tension lock 1 . In this way, there is a certain clearance when mounting fastening device 13 and reliable attachment of fastening device 13 in tension lock 1 is at the same possible.
  • adapter 23 can preferably have a tensile strength of 400 N/mm 2 to 800 N/mm 2 , preferably 450 N/mm 2 to 780 N/mm 2 and particularly preferably 500 N/mm 2 to 750 N/mm 2 .
  • Tension lock 1 and adapter 23 can have the same tensile strength. However, this is not absolutely necessary. Depending on the requirements, adapter 23 and tension lock 1 can also have different tensile strengths. Tension lock 1 and/or adapter 23 can at least in sections be made of annealed cast iron or of spherulitic graphite cast iron. Tension lock 1 and adapter 23 can therefore be made of the same material. However, it is also conceivable to have adapter 23 and tension lock 21 be made of different materials. Other solid materials from annealed cast iron or spherulitic graphite iron are also conceivable.
  • Fig. 14 shows a top view of tension lock 1 without adapter 23 being installed.
  • Adapter 23 is shown next to tension lock 1 . It is in this view clearly visible that the opening area of opening 25 in adapter 23 is smaller than the opening area of insertion opening 20 in base 21 of tension lock 1.
  • Fig. 13 shows a sectional view of tension lock 1 according to the invention with adapter 23 being inserted and fastening device 13 being inserted.
  • the longitudinal axes of two of the three fastening devices 13 are in this figure arranged substantially parallel to one another and the longitudinal axis of the third fastening device 13 is arranged substantially perpendicular thereto.
  • the sectional view is in Fig. 13 for a better view shown as a line grid.
  • the construction kit according to the invention for joining prefabricated concrete elements 10, which can also be referred to as a tensioning system, comprises tension lock 1 according to the invention with adapter 23 and at least one anchor, preferably a pigtail anchor 16 and at least three fastening devices 13, where the longitudinal axes of fastening devices 13 in passage sections 3, 4 in planar side walls 7, 8 extend substantially parallel to one another, and the longitudinal axis of fastening device 13 in opening 25 of adapter 23 extends substantially perpendicular thereto.
  • the construction kit can comprise at least one recess body 15, as described above.
  • Pigtail anchor 16 is intended to be inserted into prefabricated concrete element 10. If a particularly tight connection between the prefabricated concrete elements 10 is required, then the construction kit can additionally be provided with a sealant 14, as for example the above-described sealing tape.
  • This sealing tape 14 is prior to joining prefabricated concrete elements 10 inserted between sides 18, 19 of prefabricated concrete elements 10 to be joined.
  • prefabricated concrete elements 10 each having at least one recess 1 1 are assembled in such a manner that recesses 11 are disposed opposite to prefabricated concrete elements 10 to be joined.
  • An anchor e.g. the above-described pigtail anchor 16, is ideally inserted into prefabricated concrete element 10.
  • tension lock 1 according to the invention with adapter 23 is inserted into recesses 1 1 of prefabricated concrete elements 10.
  • screws 13 are inserted through access opening 9 into receiving space 2 and are through a respective passage section 3, 4, such as slot 3 or elongated hole 4 of tension lock 1 as well as opening 25 of adapter 23 and insertion opening 20, inserted into the anchor. Due to the design of slot 3 or of elongated hole 4, respectively, and opening 25 as well as of insertion opening 20 in base 21 of tension lock 1 , effective assembly and a better compensation possibility of connection points provided with manufacturing-related tolerances is possible.
  • Tension lock 1 is subsequently fixated with screws 13 and washers 12. Thereafter, screws 13 are rotated, e.g. with a ring ratchet or with a torque wrench, respectively.
  • the present invention relates to a tension lock 1 , which can also be referred to as a tensioning device, for the assembly of a permanent connection of prefabricated concrete elements 10 or similar structural elements made of other suitable materials.
  • This tension lock 1 due to its specific shape and the fastening devices arranged, such as, for example, screw devices, in particular screws, enables clamping as well as rapid, efficient assembly and a permanent structural connection of prefabricated concrete elements 10, e.g. prefabricated ferroconcrete elements.
  • tension lock 1 With screw connection and pigtail anchors 16 or anchor sleeves, respectively, inserted into prefabricated concrete elements 10, enables assembly and permanent joining of concrete elements 10 or prefabricated concrete elements 10, respectively.
  • Tension lock 1 according to the invention therefore greatly facilitates the assembly of prefabricated concrete elements 10, promises high precision in the production and significant time-saving at the construction site.
  • Possible areas of application include the strong and permanent joining of floor and ceiling panels, sandwich elements, double walls and angle supports.
  • tension lock 1 is provided for the regular and permanent transmission of tensile and transverse forces under predominantly static loads.
  • the tensioning system consists of a tension lock 1 according to the invention with an adapter 23.
  • anchor 16 e.g. pigtail anchors 16
  • Two versions are conceivable that can be loaded with tensile forces of up to 50 kN or 100 kN. This specification is only by way of example. Depending on the circumstances, versions with lower or higher tensile forces are also conceivable.
  • prefabrication can be effected in a customized manner at the factory for the prefabricated concrete elements.
  • Exact positioning of the pigtail anchors or anchor sleeves, respectively, as well as the formation of the recess is effected by way of the magnetic recess bodies in only one step.
  • Sealing tape 14 e.g. RubberElast®
  • RubberElast® is during assembly simply pressed onto the concrete in the area of the joint.
  • This sealing tape 14 is ideally self-adhesive.
  • a protective strip on sealing tape 14 is removed and the next concrete element 10 is pressed against sealing tape 14.
  • the tension lock is inserted and fixed with the screws and washers.
  • the tensioning system offers a wide range of applications, such as the installation of angle supports used in road construction and underground engineering, in gardening and landscaping as well as coastal protection areas, as well as the connection of floor slabs, shaft sections, ceiling and wall elements and many other structural prefabricated concrete elements.
  • the advantages of the tension lock according to the invention lie in the efficient and rapid joining of prefabricated concrete elements 10, the tensioning of prefabricated concrete elements 10 without additional materials and special aids.
  • the tension lock can be combined with all approved anchor systems and has a low own weight. Complex customized solutions are dispensed with using the tension lock according to the invention. Precise positioning in the manufacturing process is possible due to the magnetic technique (recess body 15 magnetically attachable to formwork element 17).
  • the use of the tension lock provides the option of examining the prefabricated concrete elements connections for maintenance purposes with little effort. As a result, an operational connection of the joined prefabricated concrete elements can be ensured over long periods of time.
  • sealing tape 14 e.g. RubberElast®
  • RubberElast® ensures extremely high impermeability to water and gas, very good bonding due to adhesion, fast processing where no tools are required.
  • the connection is waterproof immediately after installation.
  • the sealing tape is flexible even at low temperatures, is resistant to acids, base, salt and weathering.
  • Fig. 8 shows tension lock 1 in an embodiment of a welded configuration. Due to the forces of the elements applied that act upon the tension lock and the loads resulting therefrom, the design is adapted by changing the wall thicknesses of the individual elements.
  • the two conically converging side walls 5, 6 are joined to form a trough shape.
  • the tension lock can there be easily fabricated during the production process by inserting side walls 7, 8 and welding.
  • Side walls 7, 8 have a greater wall thickness than conical side walls 5, 6.
  • This area can be specifically reinforced by a thickening. Furthermore, the thickening helps to prevent deformations caused by the generation of element stresses following the welding.
  • the tension lock according to the invention provides the possibility of joining prefabricated concrete elements to each other in a manner saving costs and time.
  • the tension lock and the adapter can there be produced in different configurations, where a welding design, an embodiment by thermoforming, or an embodiment as composite material, possibly with adhesive technology, can advantageously be used.
  • the materials at issue can also be cast steel materials, but also annealed cast iron, spherulitic graphite cast iron or steel, where particularly stainless steel, preferably non-corroding steel, can be used. Higher mechanical strength of the tension lock can be obtained with these configurations, as well as improved corrosion resistance. With theses configurations, the use of the tension lock according to the invention is also possible in earthquake-prone regions.
  • the use of different and variably modifiable recess bodies is possible with the method for producing the prefabricated concrete elements.
  • the adapter By use of the adapter, not only adjacently disposed prefabricated concrete elements can be joined to each other, but also prefabricated concrete elements, which are arranged, for example, at a right angle to one another.
  • the barrel-shaped design of the adapter makes it possible to move the adapter during assembly and in particular when inserting the fastening device into the opening of the adapter. The insertion of the fastening device into the opening of the adapter is thereby facilitated. Any inaccuracies or tolerances possibly existing can be compensated for.
  • the adapter self-adapts during the attachment.
  • the tension lock according to the invention with the adapter can therefore be used more universally than a conventional tension lock without an adapter.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

La présente invention concerne une fermeture à genouillère avec un adaptateur pour relier des éléments en béton préfabriqué, qui est sensiblement façonnée de sorte à être en forme de coque, avec au moins deux parois latérales sensiblement planes et disposées parallèlement face à face, et au moins deux parois latérales qui, en vue transversale, convergent coniquement au moins en partie, et avec un espace de réception accessible au moins à partir de l'extérieur par une ouverture d'accès, et des sections de passage supplémentaires de préférence opposées l'une à l'autre, qui débouchent dans l'espace de réception et qui sont fournies sous la forme d'ouvertures de passage pour l'insertion de dispositifs de fixation, les sections de passage étant formées dans les parois latérales planes et présentant au moins une ouverture d'insertion qui est ménagée dans la base du joint de traction face à l'ouverture d'accès. L'adaptateur est agencé dans l'espace de réception du joint de traction et fait face sur son côté à la base du joint de traction au moins sur des sections façonnées de sorte à être incurvées, de préférence de forme cylindrique, de manière à ce qu'une liaison à complémentarité de forme se produise entre le joint de traction et l'adaptateur au moins sur des sections et l'adaptateur présente une surface support plane au moins par endroits sur son côté faisant face à l'ouverture d'accès, et l'adaptateur possède une ouverture opposée à l'ouverture d'insertion du joint de traction, pour l'insertion de dispositifs de fixation. L'invention concerne en outre un kit de construction pour l'assemblage d'éléments en béton préfabriqué avec au moins un joint de traction selon l'invention, au moins un élément d'ancrage, de préférence une tige d'ancrage en tire-bouchon, et au moins trois dispositifs de fixation, les axes longitudinaux des dispositifs de fixation dans les sections de passage dans les parois latérales planes s'étendant de manière sensiblement parallèle, et l'axe longitudinal du dispositif de fixation dans l'ouverture de l'adaptateur s'étendant de manière sensiblement perpendiculaire à ceux-ci.
PCT/EP2016/079563 2015-12-02 2016-12-02 Joint de traction avec un adaptateur pour relier des éléments en béton préfabriqués WO2017093471A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020187018571A KR102227837B1 (ko) 2015-12-02 2016-12-02 조립식 콘크리트 요소 결합을 위한 어댑터를 가지는 장력 고정 장치
CN201680080127.6A CN108603370B (zh) 2015-12-02 2016-12-02 用以接合预制混凝土零件的具有适配器的张紧锁

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015224118.1 2015-12-02
DE102015224118.1A DE102015224118A1 (de) 2015-12-02 2015-12-02 Spannschloss mit Adapter zum Verbinden von Betonfertigteilen

Publications (1)

Publication Number Publication Date
WO2017093471A1 true WO2017093471A1 (fr) 2017-06-08

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Application Number Title Priority Date Filing Date
PCT/EP2016/079563 WO2017093471A1 (fr) 2015-12-02 2016-12-02 Joint de traction avec un adaptateur pour relier des éléments en béton préfabriqués

Country Status (5)

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KR (1) KR102227837B1 (fr)
CN (1) CN108603370B (fr)
DE (1) DE102015224118A1 (fr)
JO (1) JOP20160248B1 (fr)
WO (1) WO2017093471A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2033374B1 (en) * 2022-10-21 2024-05-08 Terwa B V Connector for connecting two prefabricated construction elements

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CN108603370A (zh) 2018-09-28
JOP20160248B1 (ar) 2021-08-17
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DE102015224118A1 (de) 2017-06-08
KR102227837B1 (ko) 2021-03-15

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