EP2963205A1 - Dispositif de coffrage - Google Patents

Dispositif de coffrage Download PDF

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Publication number
EP2963205A1
EP2963205A1 EP15400029.3A EP15400029A EP2963205A1 EP 2963205 A1 EP2963205 A1 EP 2963205A1 EP 15400029 A EP15400029 A EP 15400029A EP 2963205 A1 EP2963205 A1 EP 2963205A1
Authority
EP
European Patent Office
Prior art keywords
formwork
reinforcement
elements
stirrup
modular
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
Application number
EP15400029.3A
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German (de)
English (en)
Other versions
EP2963205B1 (fr
EP2963205C0 (fr
Inventor
Jan Henning Hachmeier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heuer & Co KG GmbH
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Heuer & Co KG 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.)
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Publication date
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Publication of EP2963205A1 publication Critical patent/EP2963205A1/fr
Application granted granted Critical
Publication of EP2963205B1 publication Critical patent/EP2963205B1/fr
Publication of EP2963205C0 publication Critical patent/EP2963205C0/fr
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Anticipated expiration legal-status Critical

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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
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/064—Spacers placed on the bottom of the mould
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
    • 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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
    • 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
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/12—Tying means; Spacers ; Devices for extracting or inserting wall ties with arms engaging the forms

Definitions

  • the invention relates to a modular formwork system for forming a formwork for the production of ring anchors, ring beams or lintels made of concrete, comprising at least a first formwork skin retaining element and a formwork skin.
  • a well known formwork is in the DE 202 12 134 U1 described, which comprises the formwork by means of two edge plates, which are connected by bolted U-bracket made of sheet steel and which can be placed or applied to the masonry, with additional stabilizer bar can be provided when pouring the concrete into the formwork space formed by the edge plates prevent spreading of the edge plates.
  • baseboards on which U-bracket sit as shear reinforcements which is additionally achieved that the reinforcement can rest on the U-brackets, so that an accurate height of the reinforcement is ensured.
  • the formwork system should be good and inexpensive to transport and cause low storage costs.
  • this object is achieved by a modular formwork system for concrete parts, in particular ring anchors or ring beams including lintel coverings as the upper end of a masonry comprising formwork modules in the form of at least a first support member, both an economical production of formwork skin on the site and the holder supports the reinforcements.
  • the formwork system consists of at least one first formwork module, usually the lower formwork support element. It is possible to use further formwork modules in the form of suitable holding elements, which are formed from upper and / or stirrup reinforcement holding elements.
  • the formwork modules can be designed as pure formwork support elements or as combined formwork and reinforcement support elements or as pure reinforcement support elements.
  • the formwork modules which are designed as a combined formwork skin and reinforcement support elements or as pure reinforcement support elements can be designed both as support members for the longitudinal reinforcement, as well as for the stirrup reinforcement.
  • the support elements of the modular formwork system can be fixed on or on an adjacent masonry, in particular attachable.
  • the formwork support elements can have functions for fixing a lower formwork to cover openings with detachable or permanent connection technology.
  • the support elements are preferably made of plastic. Due to the relatively low mechanical requirements of the support members virtually all materials can be used, which support a shaping of the support elements. For example, resin-bonded green compacts, plastic recycling material of any density or plastics with embedded residues of wood or paper materials (practically stretched plastic), other composite materials or metal or stainless steel can be used. Also conceivable are holding elements that are produced based on pressed (old) paper with the addition of a binder, wherein at least temporary resistance to liquid must be present.
  • the basic idea according to the invention is the realization of a formwork system by a modular construction of the mounting elements, which realize both mounting tasks for the actual formwork skin as well as for the reinforcement.
  • the reinforcement is modular, i. the reinforcing elements for the longitudinal and the shear reinforcement are not formed integrally by a reinforcement cage, but inserted as separate elements on the site in the support elements.
  • the formlining can be made of EPS, PUR or other insulation boards, fiber cement boards or composite panels, for example made of fiber cement and insulation materials. Wood-based materials or plastics are also suitable. On the outside and / or inside concrete primers may be provided to ensure a better bond (inside) to the concrete or (outside to) plaster when the formwork is designed as a lost formwork and should remain after curing of the concrete in the component.
  • the inventive design of the formwork system opens up a variety of technical and economic advantages. Cost advantages arise from the simplified production possibility as mass-produced simple structure (which does not need to be assembled in the factory to make finished goods). Transport and storage costs are reduced in comparison to existing formwork systems and the on-site assembly or installation of the reinforcement on the construction site is less time consuming and therefore less labor intensive.
  • reinforcement elements By containing fixations for the built-in, designed as individual elements reinforcement elements eliminates the time-consuming and costly braiding of reinforcing baskets and the installation of required in the prior art Spacers for compliance with the necessary concrete cover. Due to the modular structure, it is only necessary to produce, transport and hold the upper and lower support elements and the optional floor parts as a lower skin formwork for bridging openings, such as a fall, for the different wall thicknesses. It is also conceivable to manufacture the upper and lower retaining elements in two parts in such a way that they are then plugged together and have latching arrangements for the various (masonry) widths. So it would not even be necessary to produce, transport and stock the upper and lower support elements for each individual (masonry) width.
  • the lateral formwork skin and the support elements for fixing the stirrup reinforcements are independent of the wall thickness of the concrete part to be produced and therefore need not be separately prepared for each wall thickness, transported and kept. Even the costly and costly factory production of different factory pre-assembled U-formwork for the different thicknesses, as well as their costly transport, provision and storage is eliminated.
  • the lower support members are first placed on the wall crown.
  • the lower support members are designed for mounting on the wall edge U-shaped, so that there is a bracket-like situation, which corresponds to the wall width.
  • the legs of the U-shaped component of the lower support member are after attaching to the masonry on the side wall walls in each case opposite and fix in this way the lower support member.
  • the distance from a first lower support member to further lower support members is i, depending on the geometric proportions of the concrete part and the size of the shuttering panels to be used. d. R. about 50 cm or more.
  • the lower support members may support receptacles for a template for accurately positioning the lower support members with each other.
  • the lower support elements have fixtures for fixing the elements of the longitudinal reinforcement, which are usually formed by reinforcing bars BSt500S according to DIN 488, which ensure the required concrete cover.
  • the side molds are used, which form the formwork skin.
  • the side molds are z. B. realized from fiber cement and i. d. R. 25 cm high or higher.
  • stirrup skin is then set on the inside of the formwork stirrup elements on the formwork panels (side formwork) by attaching them to the side formwork on both sides.
  • the stirrup reinforcement elements serve to fix and position the stirrup reinforcement, which are designed as U-shaped elements consisting of a reinforcing steel BSt500S, primarily of the thickness of 8 mm, and are installed in the formwork system in different, preferably two orientations.
  • the U-shaped reinforcing elements are inserted in a first step with the transverse legs down in the receptacles provided for this purpose on the stirrup-reinforcement support elements, so that the closed sides of the U-shaped elements lie in the direction of the lower support elements.
  • the longitudinal reinforcement is inserted into the receptacles of the lower support members. Subsequent assembly step is the installation of the upper support elements.
  • the upper support elements can be fixed to the upper edge of the formwork.
  • the upper support member geometrically correspond to the lateral formwork skin, that the upper support member is plugged with its formwork support on the lateral formwork skin.
  • the upper support elements have slots for the upper longitudinal reinforcement, which is also mounted.
  • a respective second stirrup reinforcing element is then, if a stirrup reinforcement is required, adjacent to the respective first stirrup reinforcement element likewise inserted into receptacles of the stirrup reinforcement elements intended for this purpose, the open side of the U-shaped stirrup of the second stirrup reinforcement element pointing downwards.
  • the concrete can be poured into the open space. After the concrete has cured, over the outer edges of the concrete component projecting portions of the support members can be removed using predetermined breaking points. The remaining areas of the support elements remain as "lost elements" in the concrete structure.
  • the formwork can be reused after disassembly or it remains on the concrete part, as so-called lost formwork. If the formlining has been realized with its inner edge flush with the outer edge of the masonry, the formwork can be removed after concreting and reused. If the formlining has been realized with its outer edge flush with the outer edge of the masonry, it remains as a "lost formwork" on the concrete component.
  • All support elements of the formwork system according to the invention are designed with respect to the relative position positioning means of the reinforcements such that the required concrete cover is reliably achieved in all mounting situations and geometric conditions of the concrete component to be produced.
  • FIG. 1 shows a front view of the lower support member (10).
  • the lower mounting elements (10) which are preferably installed multiple times in the formwork system, on the one hand fix the lateral formwork panel substantially consisting of shuttering panels (right and left of the axial direction of the concrete component) either as conventional formlining (inner edge of formwork skin flush with outer edge of masonry, not shown) removed as a result of concreting, or as permanent formwork (outer edge of formwork skin flush with the outer edge of masonry, Fig. 1 shows this situation), which remains in the concrete part.
  • the lower support elements (10) receptacles (11, 11 ') are provided for fixing the lower longitudinal reinforcement in the position that the required concrete cover is maintained.
  • the lower support members (10) on both sides each recordings (11, 11 ') for two reinforcing elements.
  • overlap length is understood to mean the overlap dimension of the rebars forming the longitudinal reinforcing elements. If these elements were placed against each other only at the ends, no tensile force transmission would be possible at these points, so that an overlap is realized in order to prevent this.
  • the lower support elements (10) are applied to the masonry on which the concrete part is e.g. is to be concreted as ring anchors or ring beams, attached from above.
  • the lower tabs (12) in the lower region with a Einfädelschräge (13) may be equipped.
  • the tabs (12) can be provided with a thickening (14) as a tool engagement surface, so as to break off a breaking over the finished concrete component (100) protruding parts at the possible predetermined breaking points of the lower support members (10) after hardening of the concrete Allow twisting or knocking off.
  • the lower support members (10) may have attachment points on the underside (15), e.g. Have holes through which they can be fixed on demand with steel nails or knock anchors o. ⁇ . In addition or alternatively to the determination as a result of the tabs (12) on the masonry.
  • the underside (15) of the lower support elements (10) may be executed rough surface to allow bonding of the lower support members (10) on the masonry with, for example, tile or PU adhesive or other adhesives.
  • the lower support elements (10) have on both sides in the lower area, which is plugged onto the existing masonry, outside, laterally, approximately at the height of the transition from masonry to be concreted ring beams on both sides projections (16) each having at least one bore (17). , Through this hole (17) can with the help of a template, for. B. of a "u" bent reinforcing iron, the exact distance of the individual lower support members (10) are adjusted to each other, so that the shots for the shear reinforcement fit exactly between the lower support members (10) and so the required distance of the shear reinforcement in the form of U-shaped elements (not shown) from each other is ensured ,
  • the projections (16) may also serve to knock off the parts (12, 12 ', 13, 13', 14, 14 ', 16, 17) of the lower support elements (10) projecting beyond the finished concrete component (100) by providing a tool engagement surface .
  • the lower holding elements (10) can have corresponding predetermined breaking points (18) in the area below the lateral skin to be inserted.
  • the lower support elements (10) As a lintel formwork, they can be placed on both sides in the lower area (which is inserted over the underlying masonry when using the lower support elements (10) for shrouding ring anchors or ring beams). Predetermined breaking points (18 ') below the lateral projections (FIG. 16). Through the bore (17) in the outer projections (16) can be made with conventional bolts or screws or any, detachable or non-detachable connection technology z. As a provided with corresponding holes batten as securing the position of the opening covering the lower formwork facing.
  • the lower formwork is a conventional formwork, which is removed after the concrete has hardened. It serves to shutter a fall.
  • the lower formwork which serves as an overlap of the overshadow opening can then be supported before concreting with boards, squared timbers props o. ⁇ . Downwards.
  • the formwork panels which essentially form the formwork, are inserted into the formwork receptacles (19).
  • the tabs (12 ') can be equipped with threading bevels (13') in the upper area.
  • the tabs (12') can be provided with a thickening (14 ') so as to break off the parts of the lower holding elements (10) projecting beyond the finished concrete component (100) by stripping or twisting To allow knock-off by providing a tool engagement surface.
  • the thickenings (14, 14 ') are functionally used in two respects - on the one hand, they provide a contact surface for tools and, on the other hand, these regions are reinforced mechanically, so that the desired component failure at the predetermined breaking points (18, 18', 18 '). ) is supported.
  • FIG. 2 shows a front view of the upper support member (20).
  • the upper support elements (20) are pushed with the formwork sheaths (19) on the formwork and fix on the one hand the formwork panels existing formwork panels either as a conventional formwork (inner edge formwork flush with the outer edge masonry, not shown), which is removed after concreting , or as lost formwork (outer edge of the formwork flush with the outer edge of masonry), which remains in the concrete part.
  • receptacles (11, 11 ') for fixing the upper longitudinal reinforcement in the position are provided in the upper support elements (20) in such a way that the required concrete cover is maintained.
  • the clips In order to allow the overlap length of the longitudinal reinforcement in reinforcement joints, the clips have on both sides in each case receptacles (11, 11 ') for two reinforcing bars.
  • the tabs (12 ') in the lower region with Einfädelschrägen (13') may be equipped.
  • the tabs (12') can be provided with a thickening (14 ') so as to break off the parts of the upper holding elements (20) that protrude beyond the finished concrete component (100) by twisting or breaking To allow knock-off by providing a tool engagement surface.
  • the formwork receptacles (19) of the upper support elements (20) can also be thickenings (14 ") and in the upper inner corner region Predetermined breaking points (18), so as to allow for stripping a breaking off of the finished concrete component (100) protruding parts (12 ', 13', 14 ', 14 ") of the upper support members (20) by twisting or knocking off functional double action of the thickenings (14 ', 14 ") is as to FIG. 1 described here.
  • FIG. 3 shows the side view (in the axial direction of the concrete component) of the stirrup reinforcement member (30) with sectional views.
  • the stirrup reinforcement elements (30) serve primarily for fixing the stirrup reinforcement and are pushed onto the lateral formwork skin between the upper retaining elements (20), which are mounted at a distance from one another, with the formwork receptacles (19), such that the receptacles (31, 32) for the shear reinforcement the necessary concrete cover rests on the inside of the formwork skin.
  • the tabs (12 ') in the lower area can be equipped with Einfädelschrägen (13').
  • the tabs (12') can be provided with a thickening (14 ') so as to break off the parts of the upper holding elements (20) that protrude beyond the finished concrete component (100) by twisting or breaking To allow knock-off by providing a tool engagement surface.
  • the formwork receptacles (19) of the stirrup reinforcement elements (30) can also have thickenings (14 ") and in the upper inner corner region predetermined breaking points (18), so as to stripping off the over the finished concrete component (100) protruding parts (12 ', 13', 14 ', 14 ") of the stirrup reinforcement members (30) by twisting by providing a tool engaging surface.
  • the functional double action of the thickenings (14 ', 14 ") is how to FIG. 1 described here.
  • the first unilaterally open U-shaped stirrup reinforcement element is installed with its opening facing upward by being inserted into the receptacles for the stirrup reinforcement (31) provided on the stirrup reinforcement support element (30). Adjacent thereto, and thus each forming a pair of stirrup reinforcing elements, the second unilaterally open U-shaped stirrup reinforcement element is installed with its opening directed downward and inserted into the stirrup reinforcement member (30) for the stirrup reinforcement (32).
  • the shots for the stirrup arm (31, 32) are formed by U-shaped guides and can be supplemented with clip-like receptacles for fixing to ensure the fixation of the stirrup reinforcement elements.
  • the shots for the stirrup reinforcement (31, 32) are due to the concrete cover to be maintained in the required distance from the concrete part outer edges and preferably arranged vertically.
  • the end of the stirrup reinforcement element (30) arranged receptacle for the stirrup arm (32) with the orientation of the opening down is pocket-shaped, so that the stirrup reinforcement element receives a contact surface frontally and horizontally and vertically fixed so as to ensure the required concrete cover.
  • the end of the stirrup reinforcement element (30) arranged receptacle (31) for the stirrup arm with the orientation of the opening upwards is clamp-shaped, so that the stirrup arm with its crossbar is receivable and thereby fixed horizontally and vertically so as to ensure the required concrete cover.
  • FIG. 4 shows a front view of a (transversely to the axial direction of the concrete component) stirrup arm support member (30) with 4 predetermined breaking points at which the stirrup arm support member are shortened in the axial direction of the concrete component can.
  • a plurality of stirrup reinforcement support elements (30) in pairs or in a register, in order to realize a plurality of paired stirrup reinforcement elements.
  • Either two or more stirrup arm support members (30) are slid side by side onto the formwork skin for this purpose, or the stirrup arm support members (30) are made in a multiple arrangement to provide a mounting unit.
  • the sides of the stirrup reinforcement support elements (30) facing the space (100) for the concrete component can be provided with recesses (33) in order to save material and to ensure better bonding of the concrete to the formwork skin. especially when a lost formwork is realized.
  • stirrup reinforcement may be predetermined breaking points (34) between each in a design variant in pairs or register arranged stirrup reinforcement members (30) for the stirrup reinforcement to selectively support the multiple arrangement or after appropriate shortening the single or paired use of the inner support members (30).
  • a variant of the invention is that at least one first formwork module has a device (16, 17) for fixing a lower formwork skin for covering openings with detachable or non-detachable connection technology.
  • a variant of the invention consists in that at least one projection (16) is designed in such a way that the distance of the formwork modules from each other can be fixed by means of a spacer corresponding to the at least one bore (17) of the projection (16).
  • a variant of the invention is that the modular formwork system has a further formwork module in the form of an upper support element (20) which fixes the upper edge of the formwork skin.
  • a variant of the invention is that the upper support member (20) geometrically corresponds to the lateral formwork skin, that the upper support member (20) with its formwork receptacle (19) is attachable to at least one lateral formwork skin.
  • a variant of the invention is that the possibility of at least one receptacle (11, 11 ') for fixing at least one reinforcing element has, so that at least one reinforcing element within the space for the concrete part (100) can be fixed at a defined location, so that the required Concrete cover (eg according to DIN 1045-1) is supported.
  • the receptacles (31) for the shear reinforcement of the shear reinforcement support member (30) are formed by U-shaped guides which cooperate with end of the shear reinforcement support member (30) arranged clip-like receptacles for fixing, so that a u shaped shear reinforcement element is fixed and held with an orientation of the opening upwards.
  • the receptacles (32) for the shear reinforcement of the shear reinforcement support member (30) are formed by U-shaped guides which cooperate with end of the shear reinforcement support member (30) arranged pocket-shaped receptacles for fixing, so that u shaped shear reinforcement element is fixed and retained with an orientation of the opening down.
  • a variant of the invention consists in that the receptacles (31, 32) for the shear reinforcement of the shear reinforcement holding element (30) are formed in a multiple arrangement so that a pairwise or register-like arrangement of the shear reinforcement elements is supported.
  • a variant of the invention is between the receptacles (31, 32) for the shear reinforcement of the shear reinforcement support member (30) in a multiple arrangement predetermined breaking points (34) are provided so that a shortening of the shear reinforcement support member (30) is supported.
  • a variant of the invention is that at least one receptacle (11, 11 ') for fixing a reinforcement element is designed such that two reinforcement elements in the receptacle (11, 11') are halterbar, so at reinforcing joints a Studentsgreifungsin the reinforcement at a reinforcement kick (eg according to DIN 1045-1) is supported.
  • a variant of the invention is the formwork modules (10, 20, 30) made of plastic, resin-bonded green compacts, plastic recycling material of any density, plastics with embedded residues of wood or paper materials, composite materials, pressed (waste) paper with the addition of a binder or metal or stainless steel.
  • a variant of the invention is that the formwork is made of EPS, PUR or other insulation boards, fiber cement boards or composite panels of fiber cement and insulation materials, wood materials or plastics.
  • a variant of the invention is that the formwork skin is treated at least on one side with a concrete primer.
  • a variant of the invention is that the component to be produced is designed as a ring anchor, as a ring bar or as a fall (covering an opening).

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Bridges Or Land Bridges (AREA)
EP15400029.3A 2014-07-02 2015-07-02 Dispositif de coffrage Active EP2963205B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014009976 2014-07-02

Publications (3)

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EP2963205A1 true EP2963205A1 (fr) 2016-01-06
EP2963205B1 EP2963205B1 (fr) 2024-03-06
EP2963205C0 EP2963205C0 (fr) 2024-03-06

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DE (1) DE102015008332A1 (fr)

Cited By (4)

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Publication number Priority date Publication date Assignee Title
US20200040581A1 (en) * 2017-03-29 2020-02-06 JALT Technologies Pty Ltd Apparatus for arranging steel reinforcement prior to a concrete pour
US20210189728A1 (en) * 2019-01-22 2021-06-24 Dwight Lamm Concrete form brace with multi-depth rebar positioning
CN114197864A (zh) * 2021-12-17 2022-03-18 中建八局第四建设有限公司 一种保障柱钢筋保护层厚度的柱头错台模板
CN115446973A (zh) * 2022-08-23 2022-12-09 国网甘肃省电力公司经济技术研究院 一种钢筋混凝土快速施工模具

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DE202017103957U1 (de) * 2017-07-03 2018-10-05 Sven Obernolte Schalungsbügel
DE102019007481A1 (de) * 2019-10-28 2021-04-29 Falko Schmidt Vorrichtung zur Verlegung von Bewehrungslagen für Stahlbetonwände

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US6017014A (en) * 1998-02-23 2000-01-25 Maguire; Joe Holder for vertical steel rebar
DE20212134U1 (de) 2002-08-07 2002-10-31 Hummel Heinz Ringbalkenschalung
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200040581A1 (en) * 2017-03-29 2020-02-06 JALT Technologies Pty Ltd Apparatus for arranging steel reinforcement prior to a concrete pour
US10914072B2 (en) * 2017-03-29 2021-02-09 JALT Technologies Pty Ltd Apparatus for arranging steel reinforcement prior to a concrete pour
US20210189728A1 (en) * 2019-01-22 2021-06-24 Dwight Lamm Concrete form brace with multi-depth rebar positioning
US11391052B2 (en) * 2019-01-22 2022-07-19 Dwight Lamm Concrete form brace with multi-depth rebar positioning
CN114197864A (zh) * 2021-12-17 2022-03-18 中建八局第四建设有限公司 一种保障柱钢筋保护层厚度的柱头错台模板
CN114197864B (zh) * 2021-12-17 2023-02-17 中建八局第四建设有限公司 一种保障柱钢筋保护层厚度的柱头错台模板
CN115446973A (zh) * 2022-08-23 2022-12-09 国网甘肃省电力公司经济技术研究院 一种钢筋混凝土快速施工模具

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