EP2998455A1 - Vorrichtung - Google Patents

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Publication number
EP2998455A1
EP2998455A1 EP15185955.0A EP15185955A EP2998455A1 EP 2998455 A1 EP2998455 A1 EP 2998455A1 EP 15185955 A EP15185955 A EP 15185955A EP 2998455 A1 EP2998455 A1 EP 2998455A1
Authority
EP
European Patent Office
Prior art keywords
divider plate
top section
concrete
aperture
region
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
EP15185955.0A
Other languages
English (en)
French (fr)
Other versions
EP2998455B1 (de
Inventor
Shaun Anthony Spurrell
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.)
SPURRELL, SHAUN ANTHONY
Original Assignee
Spurrell Shaun
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Filing date
Publication date
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Publication of EP2998455A1 publication Critical patent/EP2998455A1/de
Application granted granted Critical
Publication of EP2998455B1 publication Critical patent/EP2998455B1/de
Active legal-status Critical Current
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    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/10—Devices for levelling, e.g. templates or boards
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/06—Methods of making joints
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/08—Packing of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • 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
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
    • E04F15/14—Construction of joints, e.g. dividing strips
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
    • E04F15/14—Construction of joints, e.g. dividing strips
    • E04F15/142—Dividing strips or boundary strips
    • E04F15/145—Dividing strips or boundary strips adjustable in height
    • 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
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
    • E04B1/483—Shear dowels to be embedded in concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B2005/322—Floor structures wholly cast in situ with or without form units or reinforcements with permanent forms for the floor edges
    • 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
    • E04C5/205—Ladder or strip spacers

Definitions

  • the present invention relates to an apparatus for forming a joint in a concrete floor on an upper floor of a building, and a method for forming a joint in a concrete floor on an upper floor of a building.
  • Upper floors in buildings with a steel frame can be constructed by placing sheets across the steel beams and pouring concrete on top of the sheets.
  • the sheets are generally either thin gauge corrugated steel sheets or precast concrete sheets (also known as hollowcore concrete planks). It is not usually possible to pour a whole concrete floor in one day, making it necessary to stop the concrete part way along the floor being cast. At present, it is common to use a simple piece of timber across the top of the corrugated steel or concrete sheet to stop the concrete, and to then remove the timber the next day before pouring the rest of the floor.
  • concrete floor slabs are generally cast on top of a slip membrane to allow free movement.
  • These concrete floor slabs are generally cast as adjoining slab panels where each slab panel is cast inside a formwork, which defines a space in which to cast the concrete.
  • the formwork may be removable, which means it is removed after the concrete has cured, or it may be leave-in-place formwork, which forms part of the resulting concrete structure.
  • After casting, such concrete slabs display drying shrinkage, which generally results in the opening of the joints between the slab panels, due to each concrete slab panel shrinking away from the joint; a joint used to accommodate such shrinking, or contraction, is known as a "contraction joint".
  • Another type of joint can be adapted to also accommodate thermal expansion of a slab panel, and is known as an "expansion joint".
  • the surface on which the concrete is being cast will be adapted such that the concrete will grip the entire surface.
  • Corrugated steel sheets are undulating and often contain additional ridges to help the concrete to grip.
  • Precast concrete sheets generally have a very rough and/or undulating upper surface for the concrete to grip. Because of this, the concrete will be held in place across the entire sheet. When the concrete sets, the concrete floor as a whole will therefore develop very small cracks throughout, rather than contract as a concrete slab on a slip membrane on the subbase would. Casting concrete on an upper deck surface therefore needs to meet very different requirements from casting concrete on the subbase. On an upper deck surface, it is important to lock or tie an entire floor together, while avoiding any major cracks running through the floor.
  • an apparatus for forming a joint in a concrete floor comprising:
  • elongate as used in the context of the invention, for example in the context of the divider plate and the top section, means that the relevant component has an elongate shape.
  • the longitudinal axis of the elongate component is, in use, positioned parallel or substantially parallel to the longitudinal axis of the apparatus.
  • the apparatus provides a leave-in-place system which allows a concrete floor to be poured without the need to use and remove timber partitions.
  • the adjustability of the height of the apparatus allows it to suit a range of concrete floor heights.
  • the divider plate can be conventional in construction, for example as in EP 1389648 or similar.
  • the divider plate is an elongate flat section of material.
  • the divider plate may be non-deformable. This means that the material from which the divider plate is made is not compressible by the concrete once the concrete has been cast on one or both sides of the divider plate.
  • the divider plate may be rigid.
  • the divider plate may be formed from a metal such as, for example, steel. This can result in a divider plate of high mechanical strength, capable of withstanding the forces acting upon it during the casting of concrete.
  • the divider plate may comprise a longitudinal fold at the top and/or the bottom of the divider plate.
  • a fold can, for example, be a longitudinal L-fold, a longitudinal J-fold, a longitudinal V-fold or a Dutch fold (where the divider plate is completely folded back on itself).
  • Such a fold can strengthen the divider plate.
  • the elongate top section is formed from a single elongate section of material.
  • the top section may be formed from a metal such as, for example, steel.
  • the top section may be unitary.
  • the top section is formed from a single sheet of metal by rolling and/or folding.
  • the top section is formed as an elongate extrusion.
  • the elongate extrusion may have a substantially constant cross-section along its length.
  • the top section may comprise an elongate side wall which, in use, sits parallel (or substantially parallel) and adjacent to a first side of the divider plate.
  • the top section may also comprise a flange, extending from the side wall sitting parallel (or substantially parallel) and adjacent to the first side of the divider plate in use, for example resulting in a top section with a substantially L-shaped cross-section.
  • the flange may extend into the area where concrete is poured. The flange can therefore engage with the concrete, helping to lock the apparatus in position.
  • the flange may comprise a plurality of holes. Such holes allow the flange to become more strongly embedded in the concrete during casting and curing.
  • the top section comprises an elongate concrete-engagement member which extends into the region where, in use, concrete is poured.
  • the elongate concrete-engagement member may comprise a plurality of holes. Such holes allow the elongate concrete-engagement member to become more strongly embedded in the concrete during casting and curing.
  • the top section comprises a top strip and two side walls defining a socket between them.
  • One or each of the two side walls may also have a flange which extends from the side wall and which, in use, extends into the area where concrete is poured, to engage with the concrete in use, as described above.
  • the divider plate and top section may be combined to form the apparatus for forming a joint in a concrete floor.
  • the apparatus may be suitable for forming a joint in a concrete floor on an upper floor of a building. It is envisaged that in use, the joint may be positioned on a sheet, such as a thin gauge corrugated steel sheet or a precast concrete sheet, which lies across the steel beams in a steel frame building.
  • a sheet such as a thin gauge corrugated steel sheet or a precast concrete sheet, which lies across the steel beams in a steel frame building.
  • the surface of such a sheet positioned on an upper floor is known as an upper deck surface.
  • the apparatus may be for forming a tied joint.
  • a tied joint is intended to tie together the concrete on each side of the joint.
  • the divider plate has a top region.
  • the top section has at least one bottom region.
  • the bottom region of the top section may preferably overlap, at least partially, with the top region of the divider plate.
  • the divider plate is arranged to be securable to the upper deck surface.
  • the top section may be arranged to be movable relative to the divider plate.
  • the top section can be moved up and down relative to the divider plate, which allows the height of the apparatus above the upper deck surface to be adjusted.
  • the apparatus therefore allows a range of different formwork heights to be achieved, which can be continuously variable, by using a single size of divider plate instead of requiring a large number of different sizes of divider plates. Therefore the apparatus can enhance the ease with which concrete floors can be produced, particularly on upper floors of buildings, can enhance the performance characteristics of the resulting concrete floors, and can eliminate the need to trim off concrete spillage, which can save time and reduce waste management costs on site.
  • the top section is connectable to the top region of the divider plate.
  • the top section may be connectable along the top region of the divider plate.
  • at least one of the divider plate and the top section may comprise members adapted to engage with the other, to hold the top section in place along the top region of the divider plate.
  • the top section may comprise a top strip and two side walls defining a socket between them.
  • the side walls may function as biasing means which can hold the top section in place relative to the divider plate.
  • the top section comprises a socket and the socket can be placed over the divider plate to variable distance, which means that the divider plate is insertable into the socket to variable depth.
  • the distance to which the socket is placed over the divider plate may be adjusted in a stepwise manner.
  • the distance to which the socket is placed over the divider plate may be adjusted in a continuous manner.
  • the top section comprises members adapted to engage with the divider plate.
  • the divider plate comprises members adapted to engage with the top section.
  • the top section can, for example, be held in position by friction.
  • the divider plate and the top section comprise interengaging members arranged to hold the top section in place along the top region of the divider plate.
  • the interengaging members may, for example, comprise surface profiling and/or serrations.
  • the top section is arranged to be held in position along the top region of the divider plate by means of fastening means, such as for example self-tapping (self-fastening) screws or nuts and bolts.
  • the divider plate has a bottom region which comprises one or more indentations for engaging an undulating surface.
  • the shape of the bottom region of the divider plate is such that, in use, it can engage with the corrugations of a corrugated steel sheet.
  • the parts of the divider plate which protrude into the corrugations of the corrugated steel sheet may follow the contours of the corrugations closely, or may leave one or more gaps between the protrusions on the divider plate and the corrugations of the corrugated steel sheet.
  • the shape of the bottom region of the divider plate is such that, in use, it can mate with the corrugations of a corrugated steel sheet.
  • the divider plate has a bottom edge, which bounds the bottom region of the divider plate.
  • the shape of the bottom region of the divider plate is such that, in use, the bottom edge of the divider plate can engage with or mate with the corrugations of a corrugated steel sheet.
  • the pattern formed when the bottom edge of the divider plate and the corrugated steel sheet abut may contain one or more gaps in between the divider plate and the corrugated steel sheet.
  • the divider plate is connectable to the upper deck surface in use.
  • the divider plate may, for example, be connected to the upper deck surface by means of one or more brackets.
  • the brackets may, for example, be connected to the divider plate and the upper deck surface by means of self-tapping screws.
  • the divider plate may be arranged to be securable to the upper deck surface.
  • the divider plate may comprise a longitudinal fold at the bottom of the divider plate.
  • the divider plate may comprise one or more folded-over tabs at the bottom of the divider plate. Such a fold or such tabs may allow the divider plate to be connected to the upper deck surface by means of, for example, self-tapping screws.
  • the apparatus comprises one or more brackets which, in use, secure the divider plate to the subbase.
  • Securing the apparatus to the upper deck surface can make the apparatus easier to operate, since it allows the concrete to be cast without the risk of the apparatus shifting in position (in a substantially horizontal direction) under the influence of the concrete thrust. This can enhance the ease with which concrete floor slabs can be produced.
  • the apparatus according to the first aspect of the invention further comprises:
  • the at least one aperture is provided in the divider plate and/or in the top section to allow a connector to extend therethrough between the first and second sides of the apparatus.
  • the purpose of the connector is to engage with the concrete on each side of the apparatus in use. After the concrete has been cast, the connector will be embedded into the concrete on each side of the apparatus.
  • the connector is a dowel bar.
  • the dowel bar may be made of metal, such as steel.
  • the dowel bar may have surface profiling, which can improve engagement with the concrete in use.
  • the connector is a bar forming part of a mesh, which may be made of metal, such as steel.
  • a mesh may, for example, be the type of mesh used inside reinforced concrete.
  • the apparatus comprises at least one connector for extending through the at least one aperture.
  • the at least one connector may be positioned through the at least one aperture and may extend on each side of the apparatus into the region where, in use, concrete is cast.
  • the at least one aperture is provided in the divider plate.
  • at least one aperture may further be provided in the top section, and/or by a combination of the divider plate and the top section.
  • the at least one aperture is provided in the top section.
  • at least one aperture may further be provided in the divider plate, and/or by a combination of the divider plate and the top section.
  • the at least one aperture is provided by a combination of the divider plate and the top section.
  • the at least one aperture may be defined by the junction between the divider plate and the top section.
  • the bottom region of the top section may overlap with the top region of the divider plate.
  • One or more apertures may be defined when the regions do not overlap along their entire lengths.
  • the bottom region of the top section and/or the top region of the divider plate may be shaped, such as for example being castellated or undulating, so that the two regions only overlap at certain points along their lengths, defining apertures between the points of overlap. This means that apertures are created when the top section and the divider plate are combined.
  • a connector may be placed between the top section and the divider plate such that it passes through the aperture when the two are combined. This allows a wider range of connectors to be used, such as connectors including sections that are too wide or the wrong shape to be inserted through the apertures otherwise. Where a reinforcement mesh is used inside the concrete in use, it has the advantage of allowing the reinforcement to continue across the joint.
  • the divider plate has a top edge, which bounds the top region of the divider plate.
  • the top section has at least one bottom edge, which bounds the at least one bottom region.
  • the at least one aperture may be defined by the top edge of the divider plate and the bottom edge of the top section, for example by means of a groove in the divider plate extending from the top edge of the divider plate, and/or a groove in the top section extending from the bottom edge of the top section.
  • an apparatus for forming a joint in a concrete floor comprising:
  • the divider plate, the top section and the at least one aperture can be as described above for the first aspect of the invention.
  • a method for forming a joint in a concrete floor comprising the steps of:
  • step (i) comprises the steps of:
  • At least one connector may be placed in the at least one aperture provided in the divider plate and/or in the top section or by a combination of the divider plate and the top section.
  • the connector may be placed in the aperture before step (i-a), between steps (i-a) and (i-b), between steps (i-b) and (ii), or after step (ii).
  • the connector may be placed in the aperture between steps (i-a) and (i-b).
  • steps (i-a) and (i-b) For example, when producing a floor of reinforced concrete, it is possible to set up the elongate divider plate, place a mesh over the divider plate, and subsequently position the top section such that the bars of the mesh sit in the apertures defined by the junction between the divider plate and the top section. This arrangement therefore significantly improves the ease of producing a concrete floor.
  • substantially parallel is to be understood as being at an angle of less than 20° away from true parallel. In an embodiment, this is less than 19°, less than 18°, less than 17°, less than 16°, less than 15°, less than 14°, less than 13°, less than 12°, less than 11°, less than 10°, less than 9°, less than 8°, less than 7°, less than 6°, less than 5°, less than 4°, less than 3°, less than 2°, or less than 1° away from true parallel. Any angle away from true parallel can be to either side of true parallel.
  • the apparatus 1 broadly comprises a divider plate 2 and a top section 3A, 3B or 3C.
  • the divider plate 2 is an elongate flat section of steel.
  • the divider plate 2 comprises apertures 4 along its length at regular intervals.
  • the apertures 4 are adapted to receive dowel bars 5 .
  • the dowel bars 5 are made of steel and have surface profiling to improve engagement with the concrete in use.
  • the top section 3A, 3B or 3C is an elongate section of steel.
  • the top section is unitary.
  • the top section 3A or 3B comprises two elongate side walls 6a, 6b defining a socket 7 between them.
  • Each of the two side walls has a flange 8a, 8b which extends from the side wall and which, in use, extends into the area where concrete is poured.
  • the flange 8a, 8b can therefore engage with the concrete, helping to lock the apparatus 1 in position.
  • Each flange 8a, 8b can comprise a plurality of holes 9. These holes 9 allow the elongate concrete-engagement member 8a, 8b to become more strongly embedded in the concrete.
  • the top section 3C comprise one elongate side wall 6, which has a flange 8 with which extends from the side wall 6 and which, in use, extends into the area where concrete is poured. This results in a top section 3C with a substantially L-shaped cross-section.
  • the flange 8 comprises a plurality of holes 9, which allow the flange 8 to become more strongly embedded in the concrete.
  • apertures 10 are provided by a combination of the divider plate 2 and the top section 3B.
  • the bottom region of the top section 3B overlaps with the top region of the divider plate 2.
  • Apertures 10 are defined since the regions do not overlap along their entire lengths.
  • the bottom region of the top section 3B is castellated, so that the top section 3B does not overlap with the entire top region of the divider plate 2; apertures 10 are left between the points of overlap.
  • the apertures 10 are defined by the top edge of the divider plate 2 and the bottom edge of the top section 3B, by means of regular grooves 11 in the top section 3B extending from the bottom edge of the top section 3B.
  • This arrangement where the apertures 10 are provided by a combination of the divider plate 2 and the top section 3B, are especially suited for use with a mesh, such as a steel mesh 12 of the type which is commonly used inside reinforced concrete, as shown in Figures 3 , 4 , 7 and 8 .
  • the bottom region of the divider plate 2 comprises one or more indentations for engaging an undulating surface.
  • a surface may, for example, be a corrugated steel sheet 13.
  • the shape of the bottom region of the divider plate 2 allows the bottom edge of the divider plate 2 to mate with the corrugations of the corrugated steel sheet 13.
  • the divider plate 2 is placed on an upper deck surface which lies across the steel beams of a steel frame building; this surface can be formed by precast concrete sheets 14 as shown in Figures 1-4 or by corrugated steel sheets 13 as shown in Figures 5-8 .
  • the divider plate 2 can be connected to the upper deck surface 14 or 13 by means of one or more brackets 15.
  • the brackets 15 can be connected to the divider plate 2 and the upper deck surface 14 or 13 by means of self-tapping screws (not shown).
  • the divider plate 2 may comprise a longitudinal fold or one or more folded-over tabs at the bottom of the divider plate (not shown) for securing the divider plate 2 to the upper deck surface 14 or 13.
  • Such a fold or such tabs allow the divider plate 2 to be connected to the upper deck surface 14 or 13 by means of, for example, self-tapping screws.
  • the top section 3A, 3B or 3C is connected to the top region of the divider plate 2.
  • the top section 3A, 3B or 3C is moved relative to the divider plate 2 until the desired height of the apparatus above the upper deck surface 14 or 13 is achieved.
  • top section 3A or 3B comprises a socket 7, as shown in Figures 1-13
  • the socket 7 is placed over the divider plate 2 to the desired distance.
  • Figure 9 shows a situation where the socket 7 has been placed over the divider plate 2
  • Figure 10 shows a situation where the top section 3A has been moved further down relative to the divider 2 plate than in Figure 9 .
  • the side walls 6a, 6b surrounding the socket 7 may function as biasing means which can hold the top section 3A or 3B in place relative to the divider plate 2.
  • the top section 3A or 3B can also be connected to the divider plate 2 by means of self-tapping screws (not shown).
  • the top section 3C has a substantially L-shaped cross-section, as shown in Figure 14 , it can be connected to the divider plate 2 by means of self-tapping screws (not shown).
  • the top section 3A, 3B or 3C may be connected to the top region of the divider plate 2 in an offset or staggered manner in the direction of the longitudinal axis of the apparatus 1, as shown in Figure 15 .
  • the top section 3A, 3B or 3C and the divider plate 2 may be connected in such a way that their ends line up in the direction of the longitudinal axis of the apparatus 1, to form a butt joint.
  • Dowel bars 5 may be used to connect the concrete on each side of the apparatus 1, and can be positioned through apertures 4 in the divider plate 2, as shown in Figures 1 , 2 , 5 , 6 , 9-14 . In use, the dowel bars 5 are placed through the apertures 4 after concrete has been cast on one side of the apparatus 1, and are therefore help in position within apertures 4 by the concrete.
  • the concrete can be plain concrete or reinforced concrete. In the case of reinforced concrete, it may be reinforced with steel fibres or with a steel mesh 12. The main purpose of the reinforcement is to provide extra tensile strength to the concrete and to control cracking within the concrete as it cures.
  • the mesh may be placed between the divider plate 2 and the top section, by using a top section 3B where apertures 10 are provided by a combination of the divider plate 2 and the top section 3B.
  • a top section 3B where apertures 10 are provided by a combination of the divider plate 2 and the top section 3B.
  • the divider plate 2 is placed on an upper deck surface, which can be formed by precast concrete sheets 14 as shown in Figures 3-4 or by corrugated steel sheets 13 as shown in Figures 7-8 .
  • the mesh 12 is then placed on top of the divider plate 2.
  • the top section 3B contains regular grooves 11 extending from the bottom edge of the top section 3B, which can be fitted over the bars in the mesh 12, resulting in an apparatus where the bars of the mesh 12 pass through apertures 10 provided by a combination of the divider plate 2 and the top section 3B.
  • additional dowel bars 5 through for example the divider plate 2 may also be used (not shown).
  • the concrete may also be reinforced with a steel mesh 12 without the mesh passing through the apparatus 1.
  • a steel mesh 12 may be used in combination with one or more dowel bars 5 passing through the apparatus, as shown in Figure 13 . It is envisaged that in use, the mesh 12 may be cut on each side of the apparatus 1. In such cases, the mesh 12 may be attached to the dowel bars 5 for an improved connection throughout the concrete floor.
  • the apparatus 1 will form a tied joint within a concrete floor; it is intended to tie together the concrete on each side of the joint. This is as opposed to, for example, opening up like a "contraction joint" on a ground floor.
  • the apparatus 1 will bound a space for casting concrete. Concrete is then poured into the space. Concrete is first cast on one side of the divider plate 2, as shown in Figures 2 , 4 , 6 , 8 and 11 . Where appropriate, dowel bars 5 may then be placed through apertures 4 in for example the divider plate 2 into the concrete on the first side. Concrete is then cast on the remaining side of the apparatus 1, as shown in Figures 12 and 13 .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
EP15185955.0A 2014-09-22 2015-09-18 Vorrichtung Active EP2998455B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1416729.0A GB2530344A (en) 2014-09-22 2014-09-22 Apparatus

Publications (2)

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EP2998455A1 true EP2998455A1 (de) 2016-03-23
EP2998455B1 EP2998455B1 (de) 2020-05-06

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EP (1) EP2998455B1 (de)
ES (1) ES2808901T3 (de)
GB (1) GB2530344A (de)

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CN106065563A (zh) * 2016-08-04 2016-11-02 河北省交通规划设计院 一种嵌入式抗剪连接件及其成型方法
CN111287380A (zh) * 2020-03-10 2020-06-16 郭伍常 一种带混凝土底板的金属复合填充箱
CN114150874A (zh) * 2021-12-06 2022-03-08 中建新越建设工程有限公司 一种地面标准化施工装置及其施工方法

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US10077551B2 (en) 2015-10-05 2018-09-18 Illinois Tool Works Inc. Joint edge assembly and method for forming joint in offset position
US10119281B2 (en) 2016-05-09 2018-11-06 Illinois Tool Works Inc. Joint edge assembly and formwork for forming a joint, and method for forming a joint
AU2018226391A1 (en) 2017-10-13 2019-05-02 Illinois Tool Works Inc. Edge protection system having support foot
AU2018226394A1 (en) 2017-10-13 2019-05-02 Illinois Tool Works Inc. Edge protection system having clip retainment
AU2018226389A1 (en) 2017-10-13 2019-05-02 Illinois Tool Works Inc. Edge protection system having bridging pins
AU2018226393A1 (en) 2017-10-13 2019-05-02 Illinois Tool Works Inc. Edge protection system with intersection module
AU2018226390A1 (en) 2017-10-13 2019-05-02 Illinois Tool Works Inc. Edge protection system having retaining clip
AU2018226392A1 (en) 2017-10-13 2019-05-02 Illinois Tool Works Inc. Edge protection system having dowel plate
AU2019264633A1 (en) 2018-11-19 2020-06-04 Illinois Tool Works Inc. Support bracket
CN113789870B (zh) * 2021-08-23 2022-09-16 华汇建设集团有限公司 一种整体楼地面伸缩缝施工方法

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US20140020320A1 (en) * 2012-07-18 2014-01-23 Nigel K. Parkes Leave-in-Place Concrete Formwork Combining Plate Dowels, Divider Plates, and/or Finishing, Armoring and/or Sealing Molding

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US1826062A (en) * 1930-01-23 1931-10-06 Roscoe D Farmer Joint form for paving
US2138817A (en) * 1934-01-10 1938-12-06 Cal C Chambers Road joint
DE202006011885U1 (de) * 2006-08-01 2006-10-26 Tiletschke, Lothar Fugenabschalelement
US20140020320A1 (en) * 2012-07-18 2014-01-23 Nigel K. Parkes Leave-in-Place Concrete Formwork Combining Plate Dowels, Divider Plates, and/or Finishing, Armoring and/or Sealing Molding

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Publication number Priority date Publication date Assignee Title
CN106065563A (zh) * 2016-08-04 2016-11-02 河北省交通规划设计院 一种嵌入式抗剪连接件及其成型方法
CN106065563B (zh) * 2016-08-04 2019-02-12 河北省交通规划设计院 一种嵌入式抗剪连接件及其成型方法
CN111287380A (zh) * 2020-03-10 2020-06-16 郭伍常 一种带混凝土底板的金属复合填充箱
CN114150874A (zh) * 2021-12-06 2022-03-08 中建新越建设工程有限公司 一种地面标准化施工装置及其施工方法

Also Published As

Publication number Publication date
EP2998455B1 (de) 2020-05-06
GB201416729D0 (en) 2014-11-05
GB2530344A (en) 2016-03-23
ES2808901T3 (es) 2021-03-02

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