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EP1985759B1 - Betonbodenplatte - Google Patents

Betonbodenplatte Download PDF

Info

Publication number
EP1985759B1
EP1985759B1 EP08160562A EP08160562A EP1985759B1 EP 1985759 B1 EP1985759 B1 EP 1985759B1 EP 08160562 A EP08160562 A EP 08160562A EP 08160562 A EP08160562 A EP 08160562A EP 1985759 B1 EP1985759 B1 EP 1985759B1
Authority
EP
European Patent Office
Prior art keywords
divider plate
height
edge
dowels
concrete
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.)
Revoked
Application number
EP08160562A
Other languages
English (en)
French (fr)
Other versions
EP1985759A1 (de
Inventor
Rodney Malcolm Arnold
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.)
Permaban Ltd
Original Assignee
Permaban Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30772051&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1985759(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB0219087A external-priority patent/GB0219087D0/en
Priority claimed from GB0219121A external-priority patent/GB0219121D0/en
Application filed by Permaban Ltd filed Critical Permaban Ltd
Publication of EP1985759A1 publication Critical patent/EP1985759A1/de
Application granted granted Critical
Publication of EP1985759B1 publication Critical patent/EP1985759B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • 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
    • 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
    • E01C11/14—Dowel assembly ; Design or construction of reinforcements in the area of joints

Definitions

  • This invention relates to the forming of concrete floor slabs, particularly the forming of the edges of the slabs, and to providing improved means for load transfer between adjacent slabs.
  • WO99/31329 proposes, as a solution to this problem, the use of plate dowels and sleeves, called “blockout sheaths", to spread the loads more effectively and to provide for relative movement between the dowels and the concrete.
  • blockout sheaths the problems of formwork height and edge damage to the cured slabs remain.
  • the invention provides apparatus for forming the edge of a concrete floor slab, the apparatus comprising a divider plate formed with a plurality of apertures and dowels engaged through the apertures, characterised in that the upper end region of the divider plate has a seating supporting a first edge rail, the first edge rail being attached to a second edge rail by yieldable fixings, said fixings being located in holes formed through the rails and each fixing carrying a longitudinally-split resilient steel or plastics sleeve.
  • the divider plate is preferably formed from metal and is intended to be left in place between slabs cast on each side thereof.
  • the divider plate may be supported above ground level on longitudinally spaced apart feet, the feet being operatively connected to the height-adjustment means.
  • the apertures formed in the divider plate may be any shape and size in order to receive the dowels, which may be round, square, or formed as flat plates, for example rectangular or trapezoidal plates.
  • the dowels may comprise means for receiving and securing the height-adjustment means, or the height-adjustment means may be attached direct to the divider plate.
  • the sleeves for applying to the dowels will correspond internally with the shape of the dowels used, in order to provide relative two-way horizontal sliding movement and a tight fit vertically.
  • the sleeves are preferably formed from a plastics material to reduce the coefficient of friction between the dowels and sleeves.
  • the sleeves may be formed with lug or ridge members which allows them to be retained in place within the slabs cast.
  • the means for adjusting the height of the divider plate above ground level may comprise a leg and means for attachment of the leg to the divider plate at a selected height.
  • the leg may be attached direct to the divider plate by a lock means which is passed through a vertical slot formed either in the leg or the plate to provide for height adjustment.
  • the leg may be screw threaded and can either be threaded or passed through the dowel or through a collar attached to the dowel with means for altering the position of the dowel along the length of the leg.
  • such means may comprise a slot or socket to receive a suitable driver to rotate the leg.
  • such means may comprise adjustment nuts and suitable washers. In either case, the effect is to move the dowel vertically along the leg in order to adjust the height of the apparatus through the engagement of the dowel with the divider plate.
  • the apparatus further comprises edge rails which are supported by the divider plate to provide protection to the arris of the cast slabs.
  • the edge rails may further comprise anchor means which become embedded in the concrete during curing and which fix the edge rails in position.
  • the edge rails of adjoining slabs are attached together with yieldable fixings wherein, as shrinking occurs during the curing process and the edge rails of adjacent slabs are drawn apart, the fixings yield to allow for the movement.
  • the yieldable fixing may comprise low-tensile bolts, for example formed from nylon, the threads of which will become stripped under shrinkage forces.
  • the bolts may be steel to hold the edge rails firmly together until after a first slab has been cast on one side of the apparatus, the nuts then being removed from the other side before the second slab is cast.
  • the fixings for the edge rails are located in holes formed through the rails, the fixings carrying a longitudinally-split resilient steel or plastics sleeve to take up any free space between the fixings or the shanks thereof and the holes, to ensure that adjacent rails are accurately placed in position.
  • the height-adjustment means is attached to the edge rails or to the anchor means thereof.
  • Apparatus according to the invention can be used to form prefabricated four-way intersections, three-way "T" intersections, corner units and loading dock units.
  • the apparatus shown generally at 10 is embedded in concrete slabs 11 and 12.
  • the apparatus is pre-assembled and is put in place before the concrete slabs are cast.
  • a divider plate 13 is disposed at right angles across feet 14 which are positioned on the ground.
  • the divider plate 13 has apertures 15 which receive trapezoidal dowel plates 16, the median length of the dowel plates corresponding with the length of the apertures so that approximately half of each dowel plate protrudes through its respective aperture, the other half (having the longer edge) remaining protruding from the insertion side of the divider plate.
  • a sleeve 17 formed with external ridges 18 is applied over the portion of the dowel plate which protrudes from the aperture and has the shorter edge.
  • the upper end region of the divider plate 13 is provided with a seating 19 which supports an edge rail 20 for the slab 12 which is itself attached to an edge rail 21 for the adjacent slab 11 by low-tensile bolts 22.
  • Each edge rail is formed with anchors 23, 24 which become embedded into the concrete during the casting process.
  • the apparatus is supported on height adjustable legs 25 which are attached to respective feet 14 and inserted through holes 26 in the dowel plates 16 and secured therein by nuts 27, 28 and washers 29, 30.
  • the height of the divider plate can be adjusted by the movement of the dowel plate 16 up or down the leg 25, by manipulation of the nuts 27, 28 until the divider plate is level and with the upper edges of the rails 20, 21 at the desired height. Further apparatus can then be attached at the ends and height-adjusted; preferably, the edge rails are slightly longitudinally offset to provide a lap joint where adjacent divider plates meet end to end.
  • the slabs are cast and left to cure. During the curing process the slabs shrink and cause the edges of the slabs to become separated from one another.
  • FIG. 3 shows slabs 11, 12 which have become separated due to shrinkage leaving a gap 31.
  • the bolt 22 has sheared to allow the separation of the adjacent slabs and anchors 23, 24 which are embedded in the set concrete, secure the respective edge rails 21, 20 to the arrises of slabs 11, 12 to protect them.
  • the dowel plate 16, which is attached to leg 25, is movable within the sleeve 17 in two horizontal directions but not vertically.
  • a divider plate 41 formed with an upturned lower edge 42 for strengthening purposes, is supported on detachable legs 43 attached to ground-engaging feet 44.
  • the divider plate 41 carries a series of vertical slots 45, the legs 43 and feet 44 being attached to selected slots with bolts 46 and nuts 47, shown as wing-nuts 48 in Figure 5 .
  • the height of the divider plate relative to the ground may be adjusted by virtue of relative movement between the slot 45 and the bolts 46.
  • trapezoidal dowel plates 49 are passed through horizontal slots formed in the divider plate and sleeves 50 are applied from the other side of the divider plate, over the protruding portion of the dowel plates.
  • the dowel plates could be other shapes, for example rectangular or square, in the latter case being inserted through the divider plate such that opposite corners extend from the divider plate as triangular forms, as in Figure 5 .
  • the upper edge of the divider plate carries edge rails 51, 52, secured together by bolts 53 and nuts 54.
  • the bolts formed from nylon, carry a longitudinally-split sleeving 55 around the shank thereof to ensure that, with the rails 51 and 52 secured together, there is no possibility of relative movement between them which will result in the upper edges of the rails becoming misaligned with each other.
  • Anchor pins 56, 57 are welded to the respective rails 51, 52 at intervals.
  • edge rails 51, 52 could be longitudinally offset so that their ends, instead of being flush as shown in Figure 4 , are staggered so that, when placed in end-to-end relationship with another divider plate and edge rails, the edge rails form a lap joint.
  • sets 71 to 74 of apparatus intersecting orthogonally at a prefabricated joint 75 between four slabs.
  • the four limbs of the joint 75 which are joined to respective divider plates with the edge rails forming lap joints 76, 77, 78 , 79 can move to allow for shrinkage when each slab is cast.
  • the respective sets have different arrangements of dowel plates and height-adjustment means: sets 71 and 74 have trapezoidal dowel plates and sleeves 80, 81 and sets 72 and 73 have diamond-shaped dowel plates and sleeves 82, 83.
  • Height-adjustment of set 71 is provided by means of rods 84 welded to concrete anchor pins 85 and supported by legs 86 welded at the appropriate distance to achieve the desired height.
  • Set 73 has screw-threaded legs 87 engaged through holes in the plates 82 by nuts 88 and washers 89.
  • Set 74 has a separate height-adjustment jack arrangement consisting of a base 90 and leg 91 slidingly carrying an arm 92 temporarily attached to the edge rail and movable up or down by turning screw-threaded rod 93 via nut 94, captive nut 95 being welded to the arm 92 via slider 96. The jack is used on the side remote from the first cast slab and removed before the second slab is cast.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Building Environments (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)
  • Road Repair (AREA)
  • Laminated Bodies (AREA)

Claims (12)

  1. Vorrichtung zum Bilden der Kante einer Betonbodenplatte (11, 12), wobei die Vorrichtung eine Teilerplatte (13) aufweist, welche mit einer Vielzahl von Öffnungen (15) und Dübeln (16), die durch die Öffnungen in Eingriff stehen, gebildet ist, dadurch gekennzeichnet, dass der obere Endbereich der Teilerplatte einen Sitz (19) aufweist, der eine erste Kantenschiene (20) abstützt, wobei die erste Kantenschiene (20) an einer zweiten Kantenschiene (21) durch verformbare Befestigungen (22) befestigt ist, wobei die Befestigungen in durch die Schienen hindurch gebildeten Löchern angeordnet sind und jede Befestigung eine longitudinal geteilte, federnde Stahl- oder Plastikhülse (55) trägt.
  2. Vorrichtung gemäß Anspruch 1, wobei die Kantenschienen ferner Ankermittel (56, 57) zum Einbetten in den Beton aufweisen.
  3. Vorrichtung gemäß Anspruch 1, wobei die verformbaren Befestigungen Bolzen mit niedriger Streckgrenze aufweisen.
  4. Vorrichtung gemäß einem der vorhergehenden Ansprüche, wobei die Vorrichtung ein Mittel (25 - 30) aufweist, um die Höhe der Teilerplatte über dem verwendeten Boden zu adjustieren bevor der Beton gegossen ist.
  5. Vorrichtung gemäß Anspruch 4, wobei die Teilerplatte (13) auf longitudinal im Abstand zueinander angeordneter Füße (14) über Bodenniveau abgestützt ist, wobei die Füße mit dem Höhenadjustierungsmittel wirkend verbunden sind.
  6. Vorrichtung gemäß Anspruch 4 oder Anspruch 5, wobei die Dübel (16, 49) ein Mittel zum Annehmen und Sichern des Höhenadjustierungsmittels aufweisen.
  7. Vorrichtung gemäß Anspruch 4 oder Anspruch 5, wobei das Höhenadjustierungsmittel direkt an der Teilerplatte (13) befestigt ist.
  8. Vorrichtung gemäß einem der Ansprüche 4 bis 7, wobei das Mittel zum Adjustieren der Höhe der Teilerplatte ein Bein (25) und ein Mittel zur Befestigung des Beins an die Teilerplatte (13) auf eine ausgewählte Höhe aufweist.
  9. Vorrichtung gemäß Anspruch 8, wobei das Bein (25) ein Schraubengewinde aufweist.
  10. Vorrichtung gemäß Anspruch 4 oder Anspruch 5, wobei das Höhenadjustierungsmittel mit den Kantenschienen oder mit deren Ankermitteln befestigt ist.
  11. Vorrichtung gemäß einem der vorhergehenden Ansprüche, wobei die Vorrichtung ferner Hülsen (17) zum Anbringen der Dübel (16) aufweist.
  12. Vorrichtung gemäß Anspruch 11, wobei die Hülsen eine Gleitbewegung der Dübel innerhalb der Hülsen in zwei horizontale Richtungen, aber nicht vertikal, ermöglichen.
EP08160562A 2002-08-16 2003-08-18 Betonbodenplatte Revoked EP1985759B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0219087A GB0219087D0 (en) 2002-08-16 2002-08-16 Permaban stripjoint
GB0219121A GB0219121D0 (en) 2002-08-16 2002-08-16 Permaban alpha joint
EP05013230A EP1584746A3 (de) 2002-08-16 2003-08-18 Betonbodenplatte
EP03255115A EP1389648B1 (de) 2002-08-16 2003-08-18 Betonbodenplatte

Related Parent Applications (4)

Application Number Title Priority Date Filing Date
EP03255115.2 Division 2003-08-18
EP03255115A Division EP1389648B1 (de) 2002-08-16 2003-08-18 Betonbodenplatte
EP05013230A Division EP1584746A3 (de) 2002-08-16 2003-08-18 Betonbodenplatte
EP05013230.7 Division 2005-06-20

Publications (2)

Publication Number Publication Date
EP1985759A1 EP1985759A1 (de) 2008-10-29
EP1985759B1 true EP1985759B1 (de) 2010-11-24

Family

ID=30772051

Family Applications (5)

Application Number Title Priority Date Filing Date
EP08160562A Revoked EP1985759B1 (de) 2002-08-16 2003-08-18 Betonbodenplatte
EP07075054A Withdrawn EP1783277A1 (de) 2002-08-16 2003-08-18 Betonbodenplatte
EP07075698A Withdrawn EP1867783A3 (de) 2002-08-16 2003-08-18 Betonbodenplatte
EP03255115A Expired - Lifetime EP1389648B1 (de) 2002-08-16 2003-08-18 Betonbodenplatte
EP05013230A Withdrawn EP1584746A3 (de) 2002-08-16 2003-08-18 Betonbodenplatte

Family Applications After (4)

Application Number Title Priority Date Filing Date
EP07075054A Withdrawn EP1783277A1 (de) 2002-08-16 2003-08-18 Betonbodenplatte
EP07075698A Withdrawn EP1867783A3 (de) 2002-08-16 2003-08-18 Betonbodenplatte
EP03255115A Expired - Lifetime EP1389648B1 (de) 2002-08-16 2003-08-18 Betonbodenplatte
EP05013230A Withdrawn EP1584746A3 (de) 2002-08-16 2003-08-18 Betonbodenplatte

Country Status (7)

Country Link
EP (5) EP1985759B1 (de)
AT (2) ATE489505T1 (de)
DE (2) DE60311366T2 (de)
DK (1) DK1389648T3 (de)
ES (1) ES2281606T3 (de)
PT (1) PT1389648E (de)
SI (1) SI1389648T1 (de)

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Also Published As

Publication number Publication date
DK1389648T3 (da) 2007-05-29
DE60335154D1 (de) 2011-01-05
EP1584746A3 (de) 2005-10-19
EP1783277A1 (de) 2007-05-09
EP1867783A2 (de) 2007-12-19
EP1867783A3 (de) 2008-07-30
ES2281606T3 (es) 2007-10-01
SI1389648T1 (sl) 2007-08-31
DE60311366T2 (de) 2007-11-08
EP1584746A2 (de) 2005-10-12
EP1389648A1 (de) 2004-02-18
DE60311366D1 (de) 2007-03-15
EP1389648B1 (de) 2007-01-24
ATE489505T1 (de) 2010-12-15
EP1985759A1 (de) 2008-10-29
PT1389648E (pt) 2007-02-28
ATE352672T1 (de) 2007-02-15

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