EP2798133A1 - Panel for a system ceiling formwork, and a system ceiling formwork - Google Patents
Panel for a system ceiling formwork, and a system ceiling formworkInfo
- Publication number
- EP2798133A1 EP2798133A1 EP12813333.7A EP12813333A EP2798133A1 EP 2798133 A1 EP2798133 A1 EP 2798133A1 EP 12813333 A EP12813333 A EP 12813333A EP 2798133 A1 EP2798133 A1 EP 2798133A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- panel
- frame
- longitudinal
- transverse
- cross
- 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
- 238000009415 formwork Methods 0.000 title claims abstract description 99
- 239000000969 carrier Substances 0.000 claims description 11
- 238000009416 shuttering Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000009432 framing Methods 0.000 claims description 3
- 239000004567 concrete Substances 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000001154 acute effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229940113296 fortical Drugs 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- BBBFJLBPOGFECG-UHFFFAOYSA-N salmon calcitonin Chemical compound C=1N=CNC=1CC(C(=O)NC(CCCCN)C(=O)NC(CC(C)C)C(=O)NC(CCC(N)=O)C(=O)NC(C(C)O)C(=O)NC(CC=1C=CC(O)=CC=1)C(=O)N1C(CCC1)C(=O)NC(CCCNC(N)=N)C(=O)NC(C(C)O)C(=O)NC(CC(N)=O)C(=O)NC(C(C)O)C(=O)NCC(=O)NC(CO)C(=O)NCC(=O)NC(C(C)O)C(=O)N1C(CCC1)C(N)=O)NC(=O)C(CC(C)C)NC(=O)C(CCC(O)=O)NC(=O)C(CCC(N)=O)NC(=O)C(CO)NC(=O)C(CC(C)C)NC(=O)C(CCCCN)NC(=O)CNC(=O)C(CC(C)C)NC(=O)C(C(C)C)NC(=O)C1CSSCC(N)C(=O)NC(CO)C(=O)NC(CC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CO)C(=O)NC(C(C)O)C(=O)N1 BBBFJLBPOGFECG-UHFFFAOYSA-N 0.000 description 1
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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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
- E04G11/38—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for plane ceilings of concrete
Definitions
- the present invention relates to a panel, preferably for a system slab formwork, comprising a frame framing a panel interior, comprising two frame longitudinal sections extending parallel to a panel longitudinal direction and two parallel to a panel transverse direction perpendicular to the panel. Longitudinally oriented, has extending and connected to the frame longitudinal sections frame cross sections.
- a panel and a system ceiling formwork with such panels is known from the published patent application DE 10 2004 004 883 AI of the applicant.
- Such panels and system slab formwork which can also be referred to as slab formwork systems, serve in a manner known per se for the production of slab formwork onto which a concrete floor can be concreted.
- the system slab formwork comprises a supporting framework constructed of vertical supports and crossbeams which can be suspended from drop heads for vertical support.
- the formwork can in the form of so-called.
- Formwork panels for example.
- the top of the support grate which is formed from oriented in different directions cross members, laid and on it, for example. Attached with nails.
- DE 10 2004 004 883 A1 proposes a so-called cover formwork panel which has a frame that can be hooked to the drop heads and to the cross members for support with a closed formwork panel fastened to its top side.
- the cross member which is different depending on the design between main beams and sub-carriers, can be hung on the heads of the vertical supports and / or laterally on other main beams, so that a modular design is possible.
- the hooking takes place by means of underside grooves on the cross members and on the panels, wherein the groove bottom has a supporting surface for tical support on Einhakstegen the drop heads or on lateral Einhakrippen the main carrier forms. It should on the one hand for reasons of stability, a certain height of the cross member and panels are not exceeded, while on the other hand, the drop height or the drop height of the drop heads between the two lockable positions because of the high loads resting on it should be as low as possible.
- the present invention has the object to provide an advantageous panel, which is particularly easier to meet the requirements for occupational safety, use and integrate in particular in the known from DE 10 2004 004 883 AI known system slab formwork and in conjunction with it, can be used to create slab formwork.
- the frame at its two longitudinal ends or in the region of its two longitudinal ends each having at least one engagement element adjacent to each one in a preferred position of use of the panel underside support surface of the
- the frame extends in its cross section perpendicular to or obliquely down to a plane defined by the panel longitudinal direction and the panel transverse direction geometric panel level in the preferred position of use of the panel down that the Pa Neel a grating, preferably a wire guard, comprises the longitudinal struts parallel to the longitudinal direction of the panel and cross members connected thereto, parallel or inclined to the panel transverse direction, or cross struts connected to the longitudinal struts which are parallel or inclined to the panel.
- Transverse direction-oriented main extension direction in particular along its entire length or in at least one longitudinal section, curved and / or inclined in one or more longitudinal sections of the transverse struts to the main extension direction, wherein it is provided that on the respective frame inside side wall of the two frame longitudinal sections, in particular in the region of the upper side wall edge which is in the preferred position of use, a longitudinal groove which extends in the longitudinal direction of the panel and is open towards the panel interior and which is undercut in cross-section, is formed along both longitudinal grids Nder each extending a longitudinal strut, and that the cross struts each engage with its two ends in one of the two longitudinal grooves, so that in each case one of the two edge-side longitudinal struts of the grid is held in a form-fitting manner in the respective undercut hollow cross-sectional area of the two longitudinal grooves.
- the main direction of extension of a transverse strut is understood to mean the direction of an imaginary straight connecting line between the two longitudinal ends of the transverse strut.
- the grid parallel to the transverse panel direction transverse struts and thus connected longitudinal struts running parallel or inclined to the longitudinal direction of the panel or longitudinal struts connected to the cross struts which are curved and / or curved parallel or inclined to the longitudinal direction of the panel, in particular along its entire length or in at least one longitudinal section extending inclined in one or more longitudinal sections to the main extension direction, that on the respective frame inside side wall of the two frame cross-sections, preferably in the region of in the preferred
- Position of use upper side wall edge, one extending in the panel transverse direction, open to the panel interior, hinterter in its cross-sectional cross-groove is that extends along the two grating transverse edges each have a cross member, and that the longitudinal struts with their two Ends ever engage in one of the two transverse grooves, so that in the respective undercut hollow cross-sectional area of both transverse grooves each one of the two edge-side transverse struts of the grid is held laterally positively.
- the main extension direction of a longitudinal strut is understood to be the direction of an imaginary straight connecting line between the longitudinal ends of the longitudinal strut.
- the grid extends in the entire cross-section of the panel interior, which extends parallel to a panel plane which is spanned from the panel longitudinal direction with the panel transverse direction.
- the grid is held laterally in the panel transverse direction positively in longitudinal grooves of the two frame longitudinal sections and adjacent to the two frame transverse sections, wherein the frame longitudinal sections are arranged with respect to the panel longitudinal direction between the frame cross sections.
- a position of use preferred for the production of the formwork for a reinforced concrete slab may be a layer which occupies the panel in a state of use in which it is engaged at its two-sided engagement straps. in which the panel plane extends parallel or slightly inclined to a horizontal plane, wherein the engagement elements are parallel or slightly oblique to a perpendicular to the horizontal plane vertical direction down to a free longitudinal de out point.
- the example used for the sake of explanation, for the production of shuttering for a reinforced concrete ceiling preferred position of use may be one of various possible operating positions, which is determined by the fact that the support surface on the respective frame cross section is located on the underside and the adjacent Eingriffsele- element extends downwards.
- a proposed panel provided with a grid according to the invention may also be referred to as a "mesh panel".
- the spacing remaining within the panel in the panel plane can be set sufficiently small by selecting a grid with a small mesh size in order to meet the requirements for work safety.
- a supporting framework covered with panels according to the invention can also be made by persons in accordance with the new safety regulations for laying formwork panels.
- the proposed grid affects surprisingly advantageous in two respects. On the one hand, this results in a lighter panel weight compared to a closed panel cover; on the other hand, the form-fitting engagement of bars in the grooves results in a captive connection which can be nondestructively loaded with high fall loads.
- the grid can be designed in particular with regard to the selected cross-section of the longitudinal and transverse struts and the intermediate distance of the longitudinal and transverse struts, as well as in terms of the selected material to endure high drop weights nondestructively. Preferably, an adaptation to the weight of a falling person of 100 kg is given.
- the panel at each of the two frame cross sections of the two at the top, or on the top surface, parallel to the panel transverse direction edges of the frame outside lateral edge below (ie in a direction perpendicular to the panel longitudinal direction and to the panel transverse direction, which is also used as a panel Height direction is called, lying deeper) of the frame inside edge extends.
- the frame transverse sections each have a surface which is frame-side, preferably planar, in relation to the preferred position of use of the panel, sloping from its frame-inner edge to its frame-outside edge in the preferred position of use of the panel extends.
- the frame longitudinal sections are arranged with respect to the panel longitudinal direction between the frame cross sections.
- each frame cross section is formed as a hollow profile carrier having a wall which extends parallel to the panel plane, and a wall which forms an acute angle with the panel plane, wherein the height of the frame cross section in a panel height direction perpendicular to the panel longitudinal direction and the panel transverse direction, the outside of the frame is smaller than the inside of the frame.
- the wall parallel to the panel level is the bottom wall and the other wall is the top wall.
- the frame cross sections on the frame longitudinal sections frame upper side and / or frame underside with respect. The panel height direction adjacent flush.
- the profile height of the frame longitudinal sections corresponds at least approximately to the Absenkweg or the drop height of the drop heads, according to this at the frame cross sections to the longitudinal ends of the panels towards decreasing height, the panels after concreting and after the occurrence of a certain Solidification of the concrete floor are already removed from the support frame down, while the vertical supports should initially remain for further support of the concrete pavement.
- frame upper side or top side and frame bottom side or bottom side are used in relation to this preferred position of use explained above.
- the terms also selected for the frame longitudinal sections and frame cross sections frame outside and outside denote their remote from the panel interior, so far on the frame outward side, while the names frame inside or inside the pointing to the panel interior or adjacent thereto, so far from the frame inward side.
- the invention provides a panel system compatible with the system ceiling slab known from DE 10 2004 004 883 A1, which supplements the known system slab formwork and which, in applications, simplifies compliance with the new requirements for work safety.
- the panel according to the invention can alternatively or in combination with the ceiling formwork panels known from DE 10 2004 004 883 Al be hung on the supporting frame of a system slab formwork.
- the lower-side engagement elements can be hooked either behind a so-called.
- Einhaksteg the drop head of a vertical support or behind a lateral Einhakrippe a cross member for vertical support.
- the panels according to the invention can now be used preferably.
- the panel of the invention allows the required for reasons of safety orderly stripping from a secure position of a scaffold below the concrete ceiling at the same time stable, simple and robust construction.
- the at the longitudinal ends of the panel, ie in the area of his Support, compared to the longitudinal frame sections reduced height to support makes it possible that even in the panel according to the invention the height of serving for supporting the Wegauttafeln frame longitudinal sections about the established in the market existing Absenkweg (also called drop height) correspond to the drop heads on the vertical supports can, without the swinging of the panels down the proposed by the cited published kinematics is required. This allows for advantageous simple and stable design compatibility with the previous system.
- the tops of cross beams, frame longitudinal sections of the panels and vertical supports when the drop heads for concreting are in their upper position to lie in a common plane, the other hand also predetermined height of Einhakstege and Einhakrippen also a certain height of the panels given in her the formwork wearing sections.
- the panels can be removed only at first still serving to support the concrete floor vertical supports, if they can swing out down. Even if the height of the panels in the cladding-bearing sections corresponds to the lowering path or the drop height or even slightly larger, allows a reduced compared height of the panels to the supports at the longitudinal ends pivoting down and the removal of the panel.
- the formwork supporting or forming surface is designed in a generally planar way in itself, the preferred embodiment described deviates from this conventional structure and thereby combines the aforementioned advantages.
- the height of the frame longitudinal sections measured from the underside to the top can also be 100 mm, while those from the underside to the top can be attached to the frame cross section. cut in the area of the supports (ie in the area of the support surfaces and engagement elements) measured height, for example, is only 80 mm.
- the panel according to the invention may have the same dimensions in plan as the known slab formwork panel, which simplifies formwork planning, storage and logistics.
- the frame cross sections to the frame longitudinal sections frame top side and / or frame underside flush (ie without height offset or without offset in a direction transverse to the panel plane).
- the two frame longitudinal sections are two extruded profile members extruded to each other cross-sectionally, preferably extruded from aluminum or an aluminum alloy, and at the two frame cross-sections two of them cross-section-different, mutually cross-sectionally identical, preferably made of aluminum or of one Aluminum alloy extruded, profiled carrier acts.
- the respective profile carriers have an unchanged cross-section along their entire length.
- the cross-section of the frame longitudinal sections perpendicular to the longitudinal direction of the panels is overlapped in a panel longitudinally oriented projection view at least in an edge region adjacent to the panel interior or completely from the frame transverse sections.
- the grid can be held captive in the longitudinal grooves.
- the frame cross sections adjoin end faces of the frame longitudinal sections and welded to the longitudinal ends of the frame longitudinal sections or otherwise are fixed, for example, a screw is conceivable.
- the frame cross sections it is preferred that they are cross-sectionally closed single- or multi-chamber hollow profile carriers.
- each frame cross-section comprises at least one engagement element or integrally formed, which extends in the panel transverse direction, preferably along the entire relevant length of the frame cross-section.
- the engagement element be an integral part of a frame outside, extending in the panel transverse direction side wall of the frame cross section. It is possible for the engagement element to laterally border a transverse groove which extends in the transverse direction of the panel and in the preferred position of use of the panel, whose groove bottom forms a lower support surface for supporting the panel on a slab formwork scaffold. It is also possible that the frame outer side wall forms at its upper edge in the preferred position of use the frame outer side edge of the upper side or the upper surface of the compassionquerab- section or merges into it.
- the frame-transverse side panel-side side wall of the frame cross-section extends with respect to the preferred position of use upper surface of the frame cross-section encloses an angle which is equal to or about 90 °.
- the frame outer side wall is inclined in one direction, so that in
- the panel has at least one longitudinal intermediate carrier which extends parallel or inclined to the panel longitudinal direction and is fastened, in particular welded, to each of the two frame transverse sections at its two longitudinal ends, the grid being on the longitudinal intermediate carrier , in particular along its entire length, rests.
- the grid clamped on two opposite inner sides of the frame, each in a longitudinal groove is further stabilized.
- a longitudinal intermediate carrier which extends, preferably in the center, between the two frame longitudinal sections, exerts on the two frame longitudinal sections positively held grid a transversely, preferably vertically, directed to the panel plane pressing force.
- the grid which is clamped to the opposing, undercut longitudinal grooves, can experience a certain prestress through this pressure or support force directed transversely to the panel plane, which can bring about a further stabilization.
- the position of the longitudinal intermediate support may preferably be so be chosen that the cross struts of the grid according to the system of the grid on the longitudinal intermediate support curved or curved, so that the side facing away from the panel interior side of the transverse struts is convex.
- the longitudinal frame sections each have a first, in particular (or in the preferred position of use) upper side, in particular for the application of shuttering material and further in particular for releasable fixing of shuttering material, and a second, one in the panel Spaced longitudinal direction and perpendicular to the panel transverse direction panel height direction, in particular (or in the preferred
- first surfaces of both frame longitudinal sections extend in a common first geometric reference plane and the second surfaces of both longitudinal frame sections extend in a common second geometric reference plane, wherein the frame longitudinal sections (with respect to their frame cross-section) completely between the first reference plane and the second reference plane.
- the longitudinal groove for the clamping of the grid is closer to the first reference plane than to the second reference plane at the frame longitudinal sections.
- the position of the longitudinal intermediate support in the panel height direction is selected so that the grid, in particular its cross struts in the apex of its convex curvature, on the first reference plane side facing up to the first reference plane extends or extend beyond the first reference plane.
- the apex of the convex curvature along the entire length of the grid can be just at the same height level as the upper sides of the longitudinal frame sections and thus a panel of formwork material (so-called formwork) placed on top of it in the preferred position of use of the panel. between the two frame longitudinal sections supported centrally from below.
- the grid can be used to support the formwork joint.
- the panel has one or more, preferably two, transverse intermediate carriers, wherein each transverse intermediate carrier extends transversely, preferably vertically, to the longitudinal intermediate carrier and attached, in each case welded, to one of the two frame longitudinal sections at its two longitudinal ends , is.
- the invention further comprises a system slab formwork, comprising vertical supports, which carry on top a lockable thereto in at least two different height positions drop head, and comprising cross members which are supported on the drop heads, and panels, at its two opposite longitudinal ends of cross members and / or can be supported on drop heads in the vertical direction.
- a system slab formwork can also be referred to as a slab formwork system.
- a support frame can first be constructed, to which the panels can subsequently be hung, preferably from below. Subsequently, in the area of the panels hung thereon, the support frame can be made by persons with sufficiently small remaining intermediate distances and the formwork can be laid and fastened from above on it.
- carrier can from DE 10 2004 004 883 AI known so-called.
- main carrier and possibly additional so-called secondary carrier can be used.
- main carrier and, depending on the requirements, secondary carriers can be suspended with their longitudinal ends on drop heads or laterally on other main carriers.
- the dimensions of the cross member and the panels are tuned to the Absenkweg the drop heads that in a use state in which the drop heads are locked in the upper height position, the tops of the vertical supports, the cross member and the frame longitudinal sections of the panels in a common plane.
- cross beams have an upper side open receiving groove, in which a wooden slat for attachment, preferably for nailing, fixed by formwork, for example, shot down by means of nails, is.
- a wooden slat for attachment preferably for nailing, fixed by formwork, for example, shot down by means of nails
- system ceiling formwork can also comprise one or more of the ceiling formwork panels known from DE 10 200 004 883 A1.
- the system slab formwork can also be supplemented by pass strips, as these are also presented in the cited patent application.
- the content of DE 10 2004 004 883 A1 is hereby incorporated in full in the disclosure of the present invention, also for the purpose of incorporating features in claims.
- the invention also encompasses a method or a use of the panel according to the invention and the system slab formwork according to the invention.
- the method may in particular comprise one or more of the following method steps:
- a supporting framework also referred to as a slab formwork scaffold
- a supporting framework also referred to as a slab formwork scaffold
- main beam and in particular secondary beam wherein for vertical support cross beams are attached to drop heads and / or other cross beams
- Support of one or more of the panels according to the invention on the support frame wherein the panels are suspended from a located below the cross member position for vertical support at both longitudinal ends of each drop head or on a cross member, so that the panel level when the drop heads are in their upper locking position, extending parallel or only slightly inclined to a horizontal plane
- Laying formwork panels from above on the panels according to the invention Fixing the formwork panels on panels according to the invention and / or on cross members, in particular by means of nails; Provision and installation of a steel reinforcement for a reinforced concrete floor; Casting concrete on the formwork panels and embedding the reinforcement with concrete; After solid
- FIG. 2 is a perspective view of the panel according to FIG. 1 in another viewing direction;
- FIG. FIG. 3 shows a side view of the panel in the viewing direction III according to FIG. 1;
- FIG. 4 shows an enlarged detail of detail IV from FIG. 3;
- FIG. 5 shows a plan view of the panel in the viewing direction V according to FIG. 3;
- FIG. 6 shows a sectional view along sectional plane VI-VI from FIG. 5;
- FIG. 7 shows a detail enlargement of detail VII from FIG. 6;
- FIG. 6 shows a sectional view along sectional plane VI-VI from FIG. 5;
- FIG. 7 shows a detail enlargement of detail VII from FIG. 6;
- FIG. 6 shows a sectional view along sectional plane VI-VI from FIG. 5;
- FIG. 7 shows a detail enlargement of detail VII from FIG. 6;
- FIG. 8 shows in perspective a storage rack according to a preferred embodiment with panels according to the invention received therein according to FIGS. 1-7;
- FIG. 8 shows in perspective a storage rack according to a preferred embodiment with panels according to the invention received therein according to FIGS. 1-7;
- FIG. 9 is a plan view looking in the direction IX of FIG. 8; FIG.
- FIG. 10 in perspective, the supply frame without panels; 11 is a perspective view of a preferred state of use of a system slab formwork according to the invention with panels according to the invention, each according to a preferred embodiment;
- FIG. 12a is a plan view of detail Xlla in Fig. 12 in the specified direction, FIG. 13 shows a partial section along section line XIII-XIII from FIG. 12; FIG.
- FIG. 14 shows a partial section along section line XIV-XIV from FIG. 12, but in a subsequent preferred use state in which a reinforced concrete ceiling has been produced above the formwork skin;
- FIG. 15 shows a subsequent preferred state of use with lowered drop heads
- FIG. 16 shows a subsequent use state in which the panel has been raised at its one longitudinal end
- FIG. 17 shows a subsequent state of use in which the panel at the initially raised longitudinal end is pushed laterally into the intermediate space between the drop head and the formwork skin and is also detached at the other longitudinal end from the local crossbeam
- FIG. 18 shows a subsequent preferred state of use, in which the panel with the lower longitudinal end is swiveled downwards and downwards from the formwork skin
- FIG. 19 is a perspective view of a panel according to the invention in accordance with a further preferred embodiment.
- FIG. 20 shows a plan view of the panel shown in FIG. 19 in the direction of view XX;
- FIG. Fig. 21 the panel shown in Fig. 20 in a comparatively enlarged partial section along the section line XXI - XXI and
- FIG. 22 shows the panel shown in FIG. 20 enlarged in contrast
- the panel 1 is intended for a system slab formwork 2 (cf., FIGS. 11 to 18), or corresponding panels 1 can form components of such a system slab formwork 2.
- the panel 1 comprises a frame 3, which in the example has a rectangular layout.
- the frame 3 comprises two mutually parallel and parallel to a panel longitudinal direction L extending frame longitudinal sections 4 and two spaced apart parallel to each other and parallel to a panel transverse direction Q extending frame cross sections 5.
- the panel transverse direction Q extends perpendicular to the Panel longitudinal direction L and clamped together with her a so-called.
- Panel level as a geometric or imaginary reference plane.
- the panel plane is indicated by dashed lines in the figures and designated by the reference symbol E.
- the frame longitudinal sections 4 are arranged between the two frame cross sections 5.
- a frame cross section 5 is set against each pair of mutually aligned end faces of the frame longitudinal sections 4.
- the frame longitudinal sections 4 are welded to the frame cross sections 5 in a manner not shown in the figures.
- two transverse supports 6 each extending in the transverse direction Q of the panel are additionally inserted between the frame longitudinal sections 4 and welded thereto for stabilization.
- the transverse supports 6 thus extend through the panel interior 11, which is bounded by the frame 3.
- the panel 1 extends in longitudinal direction between its two longitudinal ends 7, wherein its dimensions in the example in the panel longitudinal direction are 1.7 meters and in the panel transverse direction 0.45 meters. It is understood that deviating dimensions are possible.
- each frame transverse section 5 integrally forms a strip-shaped engagement element 8 at its associated longitudinal end 7, which adjoins an underside support surface 9 of the frame transverse section 5 with respect to the panel plane E almost perpendicularly adjacent to a support surface 9 of the frame transverse section 5 extends down to a free longitudinal edge 10.
- the frame outer side edge 14 extends underneath the frame inside The indication below means that the edge 14 extends deeper than the edge 13 with respect to a panel height direction H perpendicular to the panel plane E in said operating position of the panel 1.
- the edges 13 and 14 extend parallel to each other.
- each frame cross section 5 each has a respect to the preferred position of use of the panel 1 frame top, in-plan surface 15, which extends from its inner frame edge 13 to its frame outer edge 14 continuously linearly sloping.
- Figure 4 illustrates that the frame cross sections 5 to the frame longitudinal sections 4 frame top side and frame underside flush, ie without offset in panel height direction H, adjacent.
- the panel 1, a grid 16, which is intended as a wire-made and galvanized in the example protective grid to prevent the falling of persons and objects of a covered with panels 1 according to the invention support frame system slab formwork 2.
- the grille 16 in this example extends in the entire cross-section of the panel interior 11 parallel to the panel plane E. It comprises a plurality of longitudinal struts 17 running parallel to one another in the longitudinal direction of the panel L and parallel to each other As is particularly clear in connection with FIGS.
- FIG. 3 shows that it is in the two frame longitudinal sections 4 by one, so a total of two mutually cross-sectional profile support 4 'and the two frame cross sections 5 by one, so a total of two cross-section different, but again to - Cross-section same profile carrier 5 'is.
- FIG. 2 shows that the cross-section of the frame longitudinal sections 4 perpendicular to the longitudinal direction of the panel L is almost completely overlapped by the frame cross-sections 5 in a projection view oriented in the longitudinal direction of the panel L.
- Each frame transverse section 5 is formed by a closed hollow profile carrier 5 ', which in the example is a multi-chamber hollow profile carrier.
- the profile carrier 5 has a top-side wall 24 forming the surface 15, a bottom-side wall 25, a frame-side side wall 26 and a frame-side side wall 27.
- the upper-side wall 24 encloses an acute angle .alpha.
- the underside wall 25 extends parallel to the panel plane E.
- the frame inside side wall 26 extends perpendicular to the panel plane E.
- the frame outer side wall 27 includes with the top wall 24 at an angle ß, which in the example is about 93 °. It follows that the side wall 27 with the panel height direction H includes an angle ⁇ , which in the example about 4 ° is such that the upper edge 28 of the side wall 27 measured parallel to the panel plane E has a greater distance from the side wall 26 than the lower free longitudinal edge 10 which is formed on the rectilinear extension of the side wall 27 extending engagement element 8. It is understood that the selected angles are exemplary. Between the lower-side wall 25 and the upper-side wall 24, three diagonal walls 29 extend in a zigzag-shaped manner in the cross section, so that four hollow chambers 30 are formed.
- each frame cross section 5 includes an engagement element 8 each extending in the panel transverse direction Q along the entire length of the frame cross section 5.
- the engagement element 8 is an integral part of the frame outside, extending in the panel-transverse direction Q side wall 27.
- the strip-shaped engaging element 8 marandetit- lately a transverse in panel transverse direction Q, in the preferred position of use of the panel 1 downwardly open transverse groove 31st whose groove bottom 32 forms a lower-side support surface 33 for supporting the panel 1 on a ceiling formwork scaffold.
- the transverse groove 31 is thus bounded by an angled portion of the wall 25 and by the wall 27 and the engagement member 8.
- the respective support surface 9 is spaced from an imaginary grating surface spanned by the grille 16, spaced in panel height direction H and away from the grating surface, and the respective engagement member 8 extends (see Fig. 4) in its to the panel transverse direction Q perpendicular cross-section at an acute angle inclined to the panel height direction H (alternatively, an extension parallel to the panel height direction H would be possible) and from the grid surface along which the grating 16 extends directed towards its free longitudinal end 10.
- the support surfaces 9 are located on the frame cross section 5 on the underside and the engagement elements 8 extend downwards.
- the respective engagement element 8 thus also extends from the surface 15 of the frame cross-section 5, which forms an acute angle with the panel plane 8, directed away from its free longitudinal end.
- the underside of the frame cross section 5 also extends parallel to the panel plane E.
- the engagement element 8 laterally borders a transverse groove 31 extending in the panel transverse direction. On the side opposite the engagement element 8 the transverse groove 31 bounded by an angled portion of the wall 25.
- the frame longitudinal sections 4 are each a profile support 4 ', which has a hollow profile section 34 closed in cross-section, whose side walls 19, 35 in relation to the preferred position of use of the panel 1 over a top wall 36 also integrally up to 9.wandran- countries 20, 37 are extended.
- the side walls 19, 35 with the top wall 36 in the preferred position of use upwardly open U-profile profile 38 which is integrally connected to the hollow profile section 34 and in its open from above the interior 39 a in the longitudinal direction panel L extending wooden bar 40 for nailing of formwork skin (see Figure 12) is firmly recorded.
- a storage rack 41 is shown, which is suitable for space-saving storage of a plurality of panels 1 according to the invention. It includes four corner posts 42, which are a ground-level horizontal frame 43 carry and have in the region of their upper longitudinal ends hooks 44 for the attack of lifting means.
- FIGS. 11 to 18 a system slab formwork 2 according to the invention, according to a preferred embodiment, will be described with reference to various preferred conditions of use arising during a preferred method of use.
- Figure 11 shows a built in the example of nine vertical supports 45 and twelve cross members 46 support frame 47, which is placed on a flat footprint and on which for the production of a slab already individual fiction, contemporary panels 1, which in the example previously with reference to the Figures 1 to 7 described panels 1 correspond, are hung.
- Each vertical support 45 carries at its upper longitudinal end a so-called drop head 48, which is slidably received in the vertical direction on the vertical support and releasably arrestable in two different height positions whose distance is referred to as the lowering travel or the drop height.
- the vertical supports 45 with their drop heads 48 and the so-called main beams selected in the example as cross members 46 are known constructively and in their mode of operation from DE 10 2004 004 883 A1, so that reference is made to the description there to avoid repetition and FIGS there disclosure is fully incorporated in the present application.
- the cross members 46 have at their two longitudinal ends in the position of use each lower side groove 49, which can hook on one of the four per drop head provided in the position of use upwardly pointing Einhakstegen 50 for vertical support (see Figure 12a).
- Each drop head 48 has four hooking webs 50 oriented in orthogonal directions, so that a maximum of four cross beams 46 can be connected to them in a star shape.
- Each cross member 46 has on both longitudinal sides each extending in its longitudinal direction upwardly pointing Einhakrippe 51, along the further cross member 46 and / or panels 2 by means of the underside thereof Transverse grooves 31 or by means of their engagement elements 8 and support surfaces 33 can be suspended for vertical support.
- the upper support grid initially formed by the drop heads 48 and cross members 46, comprises four quadrants on which transverse supports 46 are located at a distance of more than 0.3 meters, so that the support grid lies in front of the support grid Mounting panels 1 for laying shuttering panels must not be carried out by persons.
- FIG. 12 shows a later state of use in which all quadrants of the support frame 47 have been filled with panels 1 in a corresponding manner, so that the construction formed may now be undertaken by persons for laying formwork panels 52 in compliance with the occupational safety regulations.
- the formwork panels 52 can be fixed by means of nails 53 on wooden slats 40 in the frame longitudinal sections 4 and on wooden slats 54 in the cross members 46.
- all drop heads 48 are in their upper of the two possible height positions.
- the upper sides of the vertical supports 45, the cross members 46 and the frame longitudinal sections 4 of the panels 1 extend in a common plane so that they can support the formwork panels 52 in common.
- FIG. 14 This is also illustrated by FIG. 14, where a concrete floor 55, which may have a reinforcement (not shown in the figures), has already been produced on the formwork panel 52.
- all the drop heads 48 are lowered from their upper to their lower lockable altitude, wherein the Absenkweg designated A in the example is 100 mm.
- the top or surface 56 of the vertical supports 45 maintains its height and continues to support the skin panels 52.
- FIG. 15 also shows that the height X of the frame longitudinal sections 4 of the panel 1 in the example is approximately the same as the lowering path A of the drop head 48.
- Y is the slightly lower height, measured from the support surfaces 9 of the frame cross sections 5 to the top 57 of the frame longitudinal sections 4, respectively. In the example, this height Y corresponds to the height measured at the cross members 46 analogously from the support surfaces in the grooves 49 up to the upper side of the cross members 46.
- FIGS. 15 to 18 show a preferred procedure by means of which the panels 1 can be removed from an operating person located between the vertical supports 45 for stripping downwards.
- the panel 1 has been raised at its one longitudinal end 7 (in the viewing direction) until it has come into contact with the formwork panel 52, whereby the engagement member 8 at the opposite longitudinal end 7 has been freed from the engagement behind the hooking rib 51 by slight lifting
- Figure 17 shows that the panel 1 with its comparatively higher longitudinal end 7 in this orientation, although its height in the region of the frame longitudinal sections 4 corresponds to the Absenkweg the drop head, due to its flattened longitudinal ends laterally in the space between the cross member 46 and the formwork panel 52 are moved can until this longitudinal end 7 abuts the tube of the drop head 48.
- FIGS. 19 to 22 a panel 1 according to the invention is presented according to a further preferred embodiment.
- the design and arrangement of the frame longitudinal sections 4 and the frame cross sections 5 corresponds to the embodiment described with reference to the figures 1 ff.
- the two frame longitudinal sections 4 each have a first surface 59 for support and releasable fixation of (not with Pictured) formwork material, such as. Shuttering panels.
- each frame longitudinal section 4 has a second surface 60, which is thus spaced from the first surface 59 in the panel height direction H.
- the two said first surfaces 59 of the frame longitudinal sections 4 extend in an imaginary first geometric reference plane Bi common to them, and the two mentioned second surfaces 60 of the two longitudinal frame sections 4 extend in an imaginary second geometric reference plane B 2 common to them.
- the frame longitudinal sections 4 and the frame transverse sections 5 extend in total, ie completely with their cross-sections, between the two reference planes Bi and B 2 .
- an engagement element 8 is integrally formed at the respective longitudinal end 7 of the frame 3, which is adjacent to a support surface 9 of the frame cross section 5 in its cross section perpendicular to the panel plane E to its free longitudinal end 10 'in the direction of the second Reference plane B 2 extends.
- the two frame longitudinal sections 4 are in turn arranged with respect to the panel longitudinal direction L between the two frame cross sections 5.
- the frame outer side edge 61 is at its first reference plane Bi facing surface 61 in the direction of the second reference plane B 2 spaced from the first reference plane Bi, wherein the distance is designated by a.
- the frame inner side edge 62 of the surface 15 extends in the example in the first reference plane Bi.
- the extending between the edges 61 and 62 Surface 15 is flat.
- the adjoining the second surface 60 of the frame longitudinal sections 4 surface 63 of the frame cross member 5 extends parallel to the panel plane E.
- the panel longitudinal direction L results at the frame cross sections 5 from the frame inside edge 62 to the frame outer side edge 61st towards decreasing height, relative to the panel height direction H.
- the panel 1 is located in a preferred position of use chosen as an example for the description, in which the panel plane E oriented parallel to the reference planes Bi and B 2 is located extends parallel to a horizontal plane, wherein the surfaces 15 and 59 face upward and wherein the support surfaces 9 are directed downward.
- the panel can be supported by means of its support surfaces 9 from above, for example.
- the panel 1 shown in Figures 19 to 22 has a longitudinal intermediate support 64 which extends parallel to the panel longitudinal direction L and at its two longitudinal ends 65 on each of the two frame cross sections 5 (in an in the figures not shown) is welded and on which the grid 16 between the two frame cross sections 5 is applied continuously.
- FIG. 22 shows that the longitudinal intermediate carrier 64 is a pipe section with an oval cross-section.
- the longitudinal intermediate carrier 64 is arranged centrally between the two frame longitudinal sections 4. In the panel height direction H, the position of the longitudinal intermediate support 64 is selected so that it bears against the central longitudinal strut 17 of the grille 16 and thereby exerts a slight compressive force on the grille 16.
- the so-called main extension direction of the transverse struts 18 is designated by 66, which is predetermined for each transverse strut by an imaginary straight connecting line between the two longitudinal ends 22 of the transverse strut 18.
- the main extension direction 66 runs parallel to the panel transverse direction Q.
- FIG. 1 illustrates the first exemplary embodiment
- FIG. 22 shows that the transverse struts 18 between the two longitudinal ends 22 are not straight but arched and thus deviate slightly in their course the imaginary straight connecting line between the longitudinal ends 22 extend. According to the transverse force transmitted by the longitudinal intermediate support 64, the transverse struts 18 are convexly curved on the side facing away from the longitudinal intermediate support 64.
- FIG. 22 also shows that the respective longitudinal groove 21 in the panel height direction H is closer to the first reference plane Bi than to the second reference plane B 2 at the frame longitudinal sections 4 and that the grating 16 or its transverse struts 18 are at the apex 67 of the convex Warp on the first reference plane Bi facing side to the first reference plane Bi extend or extend beyond the reference plane Bi.
- the grid 16 can also be used to support a facing joint impact (not shown in FIGS. 19 to 22).
- the panel 1 has two transverse intermediate support 68. These are also each a pipe section with an oval pipe cross-section.
- Each transverse intermediate support 68 extends perpendicular to the longitudinal intermediate support 64 and is welded at its two longitudinal ends 69 to one of the two frame longitudinal sections in a manner not shown in more detail in the figures.
- the longitudinal intermediate support 64 is supported with respect to the panel height direction H on its side facing away from the grid 16 on the two transverse intermediate carriers 68 from.
- the frame transverse sections 5 each have a first side 70 facing the one panel side, each having a frame outside edge 71 and a frame inside edge 72. In this respect, one frame inside edge 72 is located on each one of the frame cross sections 5.
- the two frame inside edges 72 tension again geometrically the already mentioned first reference plane Bi.
- the two frame transverse sections 5 each have a second side 73 pointing to the other or to the opposite panel side, each having a frame outside edge 74 and a frame inside edge 75.
- the two frame inside edges 75 of which each one on each one of the frame cross sections 5, together also the already mentioned reference plane B 2 .
- This reference plane is also spanned by the two frame outer edges 74, one of which is located on each one of the two frame cross sections 5.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110057121 DE102011057121B4 (en) | 2011-12-29 | 2011-12-29 | Panel for a system slab formwork and system slab formwork |
PCT/EP2012/076180 WO2013098159A1 (en) | 2011-12-29 | 2012-12-19 | Panel for a system ceiling formwork, and a system ceiling formwork |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2798133A1 true EP2798133A1 (en) | 2014-11-05 |
EP2798133B1 EP2798133B1 (en) | 2016-03-23 |
Family
ID=47552996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12813333.7A Active EP2798133B1 (en) | 2011-12-29 | 2012-12-19 | Panel for a system ceiling formwork, and a system ceiling formwork |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2798133B1 (en) |
AR (1) | AR089514A1 (en) |
DE (1) | DE102011057121B4 (en) |
WO (1) | WO2013098159A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3012492B1 (en) * | 2013-10-25 | 2016-08-19 | Alphi | MODULAR SUPPORT STRUCTURE |
FR3021985B1 (en) * | 2014-06-05 | 2018-05-25 | Alphi | CONNECTING DEVICE WITH IMPROVED STABILITY |
FR3021984B1 (en) | 2014-06-05 | 2017-07-21 | Alphi | SECONDARY PANEL FOR MODULAR SLAB FORMWORK STRUCTURE |
FR3025819B1 (en) * | 2014-09-11 | 2016-11-04 | Harsco Infrastructure France | TEMPORARY AND REMOVABLE FLOOR FOR THE PRODUCTION OF CONCRETE SLABS |
DE102015200083A1 (en) * | 2015-01-07 | 2016-07-07 | Peri Gmbh | Panel formwork element |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3045786A (en) * | 1960-03-23 | 1962-07-24 | Hico Corp Of America | Form supporting girder for use in concrete construction |
FR2676082B1 (en) * | 1991-04-30 | 1997-08-29 | Ricard Coffrages | MODULAR BEARING SYSTEM FOR SLAB FORMWORK, METHOD AND FORMWORK USING SUCH A SYSTEM. |
DE4321122A1 (en) * | 1993-06-25 | 1995-01-05 | Langer Ruth Geb Layher | Scaffold frame floor |
FR2770552B1 (en) * | 1997-10-31 | 2000-01-21 | Lacroix Duarib | SCAFFOLDING FLOOR |
ATE427393T1 (en) * | 2001-04-03 | 2009-04-15 | Ulma C Y E S Coop | FORMWORK SYSTEM FOR PANELS |
US6378837B1 (en) * | 2001-04-27 | 2002-04-30 | Melvin Keller | Reusable concrete support frame |
DE102004004883B4 (en) * | 2003-08-04 | 2021-10-14 | Friedrich Ischebeck Gmbh | Ceiling formwork panel and system ceiling formwork |
EP1617013A1 (en) * | 2004-07-13 | 2006-01-18 | CEDEMAT - Aluguer de Materiais de Construçao, Lda | Horizontal formwork |
IT1393723B1 (en) * | 2009-03-27 | 2012-05-08 | Faresin Building Division S P A | CASSERATURE STRUCTURE FOR THE EXECUTION OF FLOORS AND THE LIKE |
FR2944821B1 (en) * | 2009-04-22 | 2015-05-08 | Sgb | FORMWORK FOR REALIZING CONCRETE SLABS |
DE102009044483A1 (en) * | 2009-11-10 | 2011-05-12 | Friedr. Ischebeck Gmbh | Side guard and side protection system |
-
2011
- 2011-12-29 DE DE201110057121 patent/DE102011057121B4/en active Active
-
2012
- 2012-12-19 WO PCT/EP2012/076180 patent/WO2013098159A1/en active Application Filing
- 2012-12-19 EP EP12813333.7A patent/EP2798133B1/en active Active
- 2012-12-27 AR ARP120105038 patent/AR089514A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
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See references of WO2013098159A1 * |
Also Published As
Publication number | Publication date |
---|---|
AR089514A1 (en) | 2014-08-27 |
DE102011057121A1 (en) | 2013-07-04 |
EP2798133B1 (en) | 2016-03-23 |
WO2013098159A1 (en) | 2013-07-04 |
DE102011057121B4 (en) | 2013-11-14 |
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