Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G9/00—Forming or shuttering elements for general use
  • E04G9/02—Forming boards or similar elements
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
  • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G9/00—Forming or shuttering elements for general use
  • E04G9/02—Forming boards or similar elements
  • E04G9/04—Forming boards or similar elements the form surface being of wood
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G9/00—Forming or shuttering elements for general use
  • E04G9/02—Forming boards or similar elements
  • E04G2009/023—Forming boards or similar elements with edge protection
  • E04G2009/025—Forming boards or similar elements with edge protection by a flange of the board's frame
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
  • E04G9/00—Forming or shuttering elements for general use
  • E04G9/02—Forming boards or similar elements
  • E04G2009/028—Forming boards or similar elements with reinforcing ribs on the underside

Definitions

• the invention relates to formwork elements with a
• Formwork skin with a frame supporting these and with
• Struts that are arranged within the frame and support the formwork skin.
• the invention also relates to a modular formwork system which comprises such formwork elements and which can be formed from the most diverse types of formwork.
• the object of the invention is therefore to provide formwork elements of the type mentioned above, the
• the frame of the formwork element be made of unprofiled flat steel and the struts of the formwork element made of open profile steel are made.
• An open profile steel for example, can be regarded as a profile steel that has an open
• the struts made of profile steel have the advantage over struts made of flat steel that the contact points of the struts on the formwork skin are further apart. This way, the
• Struts are arranged a little further away from each other than is possible with previously known formwork elements of the type mentioned, with a comparable or even higher load capacity and stability of the formwork element as with the previously known formwork elements can be achieved despite the greater distance between the struts. Furthermore, by using
• equipped formwork element can be improved with comparatively little effort.
• Unprofiled flat steel can, for example, thereby
• the struts are arranged so that the profile steel is open to the formwork skin. In this way, a head side and / or a head part of the respective strut can be used for fastening. It is also possible that the profile steel has a symmetrical profile, in particular a hat profile. The use of a profile steel with a symmetrical profile can promote an advantageous stress distribution on the strut. If the profile of the steel profile of the struts is a hat profile, the struts provide contact surfaces on which the
• Struts lie flat against the formwork skin and / or the e.g. can be used for fastening by riveting to pre-punched holes.
• the profile steel can on its head side at least one
• a fastening element that is to be attached to the strut can grip behind this longitudinal bead and thereby non-rotatably on the strut
• a formwork element of the type mentioned at the outset is also proposed, which has the features of the second independent claim directed to such a formwork element.
• an even number of struts be arranged within the frame, of which two outer struts each have at least one push-through opening for an anchor. These through openings define so-called anchor points of the formwork element.
• Struts are evenly distributed within the frame, it is possible to mount accessories on any struts.
• the formwork element can thereby be given a certain symmetry, which simplifies its handling and, in particular, its alignment during use.
• Frame are arranged evenly distributed, there is the advantage that of the through openings of the at least two external struts defined anchor points are automatically arranged at 1/5 of the total length or total height of the formwork element. This distance to the edge of the formwork element and / or frame defines one with regard to the loads that occur and the desired ones
• the through openings defining the anchor points are preferably in the vicinity of the edge of the frame or the
• Struts made from sectional steel have the advantage that the sectional steel also offers a support for a plate or washer with which the anchoring holds the formwork skin and ultimately also the formwork element. This is particularly important in order to prevent a formwork element, which is adjacent in the position of use of the formwork element, preferably of the same construction, but in which no anchor is used, from being caused by the pressure of
• Formwork element of the type mentioned proposed that at least one bracing at least two
• Push-through openings to the frame of the formwork element is shorter than a shortest distance between a second push-through opening of the at least two push-through openings and the frame. This enables the formwork element to be used either in a standing or lying position.
• Formwork element that is to say arranged at a smaller distance from the frame of the formwork element, can generally be in the horizontal position of the preferably rectangular
• Formwork element cannot be used for anchoring.
• dividing sheets or dividing elements are often cast into a foundation of a building on which further walls are to be produced with the aid of formwork elements. These dividing plates or dividing elements are used to close joints or gaps between the wall to be re-poured on the foundation and the foundation. Since the dividers or
• the second push-through opening the distance of which from the frame is greater than the distance of the first push-through opening to the frame, at least one push-through opening is available in the formwork element according to the invention, which with security
• Embodiment of a formwork element the features of the formwork elements described above, to which in particular one of the independent claims 1 and 2 or both are directed, can be used in a meaningful way.
• These several push-through openings can be provided in different struts of a formwork element in one direction at the same height and / or at the same distance from the frame.
• the anchor points defined by the push-through openings continue to be at the same height when the shuttering element is rotated by 90 °.
• This has an aesthetic advantage since the corresponding anchor points recognizable on the finished component are then aligned with one another in the poured concrete.
• a formwork skin with a thickness or thickness of 12 mm can be used.
• a formwork skin with a thickness or thickness of 12 mm can be used.
• Formwork skin can be made of plywood, for example. It is possible to use the formwork skins for the
• formwork elements of the type mentioned which differ from one another by their formwork skins.
• a formwork element Series of formwork elements a formlining with a thickness or thickness of 12 mm can be used, while another formwork element from the series of
• Formwork elements can have a formwork skin with a thickness of, for example, 15 mm.
• Formwork elements are arranged two or four struts.
• the use of four struts, preferably evenly distributed within the frame, is particularly advantageous since the struts are then arranged in such a way that the total of four struts arranged here are in the two outer struts
• Frame and / or the formwork element are arranged in a position that corresponds to 1/5 and / or 4/5 of the length of this side.
• Struts are aligned parallel to one another and / or are evenly spaced from one another. This gives a symmetrical structure of the one so designed
• Formwork element which in turn, the handling and the
• Alignment of the formwork elements can simplify in practice.
• the aforementioned struts of the formwork elements can be made of a profile steel that has a trapezoidal profile.
• the struts can therefore have a trapezoidal cross-section.
• Formwork elements has an aspect ratio of 3 to 5. This is particularly advantageous, especially in connection with the formwork element according to the third independent
• Claim because it automatically results that the through openings for anchors used for a horizontal installation or for a horizontal use of the formwork element are at 1/3 of the total height of the formwork element and thus remain accessible for anchoring even with separating plates cast in a foundation. It is particularly favorable if a formwork element with these dimensions has four evenly distributed struts and two evenly spaced through openings on one strut, since thus - regardless of the orientation of the
• Formwork element - a uniform arrangement of the tie rods can be achieved.
• All of the formwork elements described above are preferably designed as hand-transportable formwork elements that can be carried by two people. A dead weight of the formwork elements of 50kg or less can therefore be achieved.
• the formwork element preferably has handles.
• the formwork element preferably has handles.
• Formwork element has at least one additional strut.
• This additional strut can be transverse or at right angles to
• Formwork element at least one additional strut
• such an additional strut is arranged transversely or at right angles to at least one strut of the formwork element, which has at least one handle and / or the at least one holding opening.
• Formwork elements at least one handle and / or
• Handles and / or holding openings are preferably formed on two opposite sides. This means that it can be carried by two people, in particular with a dead weight of 50 kg or less.
• Crane transport of the formwork element is suitable.
• the aforementioned at least one load pick-up can be used in a
• an internal structure of the frame which consists of the struts of the formwork element and the formwork skin, can have a total height that corresponds to the height of the frame or is less than the height of the frame.
• the internal structure corresponds to the height of the frame
• Formwork skin not over the frame. In this way, a flush arrangement of the formwork skin on the frame of the formwork element can be achieved, which prevents formwork elements constructed in this way from getting caught when they are used for transport or for Storage to be stacked. In this way, damage to the stacked formwork elements can be avoided. Furthermore, it can be useful for the formwork skin to protrude over the
• Struts of the respective formwork element should also rest on the frame of the formwork element.
• the formwork element can have a frame with a square basic shape. In another embodiment, the formwork element can have a frame with a non-square and / or rectangular basic shape. This can create a rectangular
• Formwork element result. Especially with rectangular
• Formwork elements can strut along a short side of a rectangular basic shape of the frame
• Formwork element to be aligned.
• the frame is formed without protrusions on the inside.
• the frame preferably has punched connection openings.
• the formation of punched connection openings is particularly in the case of smaller quantities compared to the
• connection openings are formed are.
• fastening options can be designed.
• connection openings are chosen to be consistent across the formwork skin.
• an alignment of the formwork skins to one another transversely to their extent is independent of which connection openings are selected
• At least one first type of connection openings as
• a second type of connection opening is designed as a round hole.
• An elongated hole can hereby for example
• a push-through bolt that can be placed without play in the elongated hole in a transverse or narrow direction has play in a longitudinal direction.
• a round hole can be characterized, for example, by the fact that a
• Connecting means for example a through bolt, which can be placed without play in the elongated hole in a transverse direction, likewise has no play in a longitudinal direction.
• the struts are designed to be identical to one another.
• a number of parts for manufacturing is
• Formwork elements can be reduced and tool costs are
• Push-through openings for anchor rods can also be made easier because the struts do not have to be reworked.
• the invention enables the provision of a
• Formwork kit according to the independent claim directed to such, of at least two types
• the formwork box can manufacture
• this modular shuttering kit has the advantage that a crane is not absolutely necessary for setting up and / or dismantling a shuttering that is formed with the modular shuttering kit. This can save time and money.
• Push-through openings of a first type of formwork elements in their positions that is to say, for example, in relation to a height in relation to a standing area in the respective
• anchor rods can be placed at a uniform height, in particular with two different orientations of the first type of formwork elements. This is particularly beneficial when processing exposed concrete, as the (closed) holes to the anchor rods then result in a uniform appearance.
• Formwork elements according to the invention in particular as described above and / or according to one of the on a formwork element directed claims, is formed and that in the
• Formwork kit is at least one connecting bracket.
• the formwork elements can easily be connected to one another on the unprofiled frame. It can be provided that retaining projections on the bracket arms
• Connection clamps are designed to match connection openings in the frame of the formwork elements.
• the invention further enables the use of a
• connection opening in a frame of a formwork element in particular as described above and / or according to one of the claims directed to a formwork element, for the optional attachment of a connection clip and one
• Push-through bolt for connecting the formwork element with another formwork element.
• Connection clips can be used optionally.
• Formwork elements can come from a previously described modular formwork system, for example.
• Figure 1 An isometric rear view of a
• Figure 2 is an isometric front view of a
• Figure 3 is an isometric rear view of another
• Figure 4 is an isometric front view of a
• Figure 5 is an isometric rear view of a
• Figure 6 is an isometric rear view of another
• FIG. 7 is a partially broken away, isometric rear view
• FIG. 8 shows a detailed view in a sectional illustration of two
• FIG. 9 a schematic diagram analogous to FIG. 8, the formwork elements with a push-through bolt
• Embodiments of the invention contain elements that correspond in their function, even if the design or shape may differ from one another
• Each of the formwork elements 1 has a formwork skin 2, a frame 3 supporting this and
• Strut 4 which are arranged within the frame 3 and support the formwork skin 2.
• the frames 3 are each made of flat steel.
• Formwork elements 1 are in turn made of open, symmetrical profile steel. In this way, the struts 4 of the formwork elements 1, due to their profiled cross-section, are more rigid than the material used to manufacture the struts 4
• Struts that are used in previous formwork elements and are made of non-profiled flat steel. This higher rigidity of the struts 4 favors on the one hand a higher overall rigidity and thus also a higher one
• Struts 4 which are made of steel profiles, have a particularly low overall weight in relation to its load capacity and stability. This favors the simplified handling of the formwork element 1.
• the steel profile of the struts 4 is open to the formwork skin 2 of the respective formwork element 1.
• the sectional view according to FIG. 7 also shows that the profile steel used for the struts 4 is or has a hat profile.
• the struts 4 thus have bearing surfaces 16 with which they lie flat against the formwork skin 2.
• the formwork skin 2 is attached to the struts 4 with rivets 15.
• the profile steel of the struts 4 also has two longitudinal beads 14 aligned parallel to one another on its head side 13.
• Fastening element for example an anchor, can engage behind these longitudinal beads 13 and in this way can be fixed on struts 4 in a rotationally fixed manner.
• Each of the formwork elements 1 shown has an even number of struts 4 within its frame 3.
• Struts 4 each have a plurality of through openings 5, 6 and 7 for anchors not shown in the figures
• all struts 4 each have at least two through openings 5, 6 and / or 7.
• a shortest distance from a first through opening 6 of the at least two through openings 5 to the frame 3 of the respective formwork element 1 is shorter than a shortest distance from a second through opening 7 of the at least two through openings to the frame 3.
• All of the struts 4 are parallel to one another
• the respective second through-opening 7 is equidistant from two adjacent frame legs 8 and 9 of the
• sectional view of the formwork element 1 according to FIG. 7 shows that the struts 4 from
• At least the formwork element 1 shown in FIGS. 1 and 2 has a frame 3 which has an aspect ratio of 3 to 5.
• Each of the formwork elements 1 also has additional struts 10. These are arranged transversely, more precisely at right angles to the struts 4 of the respective formwork element 1. Further, in this additive V 10 is in each case a fondrebitch
• Holding opening 11 is formed.
• the holding openings 11 allow the formwork element 1 to be transported by hand by two people.
• Stiffening elements 12 are provided.
• the internal through openings 5, 6, 7 are designed as elongated holes, which can facilitate the introduction of anchor rods or concrete anchors.
• Figure 6 illustrates that the struts 4 of the square formwork element 1 arranged on the left-hand side so are arranged that the trained therein
• Figures 5 and 6 also serve to illustrate a formwork kit, the at least two types
• Formwork kit a variable design of a formwork formed from the formwork elements 1.
• Figure 8 shows the connection of two formwork elements 1 with a connecting clip 20.
• Figure 8 shows the connection of two formwork elements 1 with a connecting clip 20.
• the holding projections 22 are here like this
• bracket arms 21 dimensioned and arranged on the bracket arms 21 that they - at least along the bracket arms 21 practically free of play - engage in the connecting openings 18, 19 to the
• connection openings 18, 19 are formed.
• connection openings 18 are designed as elongated holes, so that a play-free fixing only transversely to the formwork skins 2, that is, in the transverse direction or
• the connecting openings 19 (cf. FIG. 7) of the second type, on the other hand, are designed as round holes (with recesses for wings 24 of through bolts 23, as will be explained in more detail below).
• the round holes cause the formwork elements 1 also along the frame 3 near the
• Connection openings 19 are aligned as the
• Push-through bolts 23 or the holding projections 22 are completely fixed.
• Figure 9 shows an alternative way of connecting two
• Formwork elements 1 Here, a push-through bolt 23, the diameter of which can be the same as the diameter of the holding projections 22, is inserted through one of the two connecting openings 18, 19.
• the wings 24 are dimensioned here so that they fit both through the recesses 25 of the round hole and through the elongated hole. After a rotation of 90 °, the through bolts 23 are then fixed.
• connection openings 18, 19 corresponds transversely to the formwork skin 2.
• connection opening 18 larger along the formwork skin 2 than in the case of the round hole in connection opening 19. It can also be seen from the figures that the struts 4 within a formwork element 1 are identical to one another.
• Through holes 6 two horizontal lines (with further through holes), which each cross or intersect the vertical line.
• the invention is concerned with improvements on the
• the formwork element 1 is proposed as an improvement, the frame 3 of which is made of flat steel, while the struts 4 of the formwork element 1 consist of profile steel.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Mechanical Engineering (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Wood Science & Technology (AREA)
• Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=69630326

Family Applications (1)

Country Status (16)

Family Cites Families (26)

• 2019
  • 2019-02-20 DE DE102019104315.8A patent/DE102019104315A1/de active Pending
• 2020
  • 2020-02-18 KR KR1020217030202A patent/KR20210136039A/ko unknown
  • 2020-02-18 JP JP2021547869A patent/JP2022521386A/ja active Pending
  • 2020-02-18 EA EA202100213A patent/EA202100213A1/ru unknown
  • 2020-02-18 CN CN202080015351.3A patent/CN113454305A/zh active Pending
  • 2020-02-18 SG SG11202108963PA patent/SG11202108963PA/en unknown
  • 2020-02-18 DE DE202020100884.6U patent/DE202020100884U1/de active Active
  • 2020-02-18 AU AU2020226707A patent/AU2020226707A1/en not_active Abandoned
  • 2020-02-18 US US17/431,498 patent/US20220195741A1/en not_active Abandoned
  • 2020-02-18 MA MA055011A patent/MA55011A/fr unknown
  • 2020-02-18 WO PCT/EP2020/054271 patent/WO2020169624A1/de active Application Filing
  • 2020-02-18 EP EP20705969.2A patent/EP3927914A1/de active Pending
  • 2020-02-18 BR BR112021015945-2A patent/BR112021015945A2/pt unknown
  • 2020-02-18 CA CA3130641A patent/CA3130641A1/en active Pending
• 2021
  • 2021-08-04 ZA ZA2021/05745A patent/ZA202105745B/en unknown
  • 2021-08-16 IL IL285656A patent/IL285656A/en unknown
  • 2021-08-18 CO CONC2021/0010877A patent/CO2021010877A2/es unknown

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