EP2057329A2 - Dalle alveolee pourvue d'au moins un anneau de levage - Google Patents
Dalle alveolee pourvue d'au moins un anneau de levageInfo
- Publication number
- EP2057329A2 EP2057329A2 EP07823441A EP07823441A EP2057329A2 EP 2057329 A2 EP2057329 A2 EP 2057329A2 EP 07823441 A EP07823441 A EP 07823441A EP 07823441 A EP07823441 A EP 07823441A EP 2057329 A2 EP2057329 A2 EP 2057329A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- slab
- rider
- wire
- concrete
- plate
- 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
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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0062—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects forcing the elements into the cast material, e.g. hooks into cast concrete
-
- 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
- E04G21/14—Conveying or assembling building elements
- E04G21/142—Means in or on the elements for connecting same to handling apparatus
- E04G21/145—Means in or on the elements for connecting same to handling apparatus specific for hollow plates
Definitions
- Capped slab provided with at least one lifting ring.
- the present invention relates to a hollow slab pre equipped with a means to facilitate its handling.
- a dimpled slab comprises an upper plate, a lower plate, and intermediate partitions between the two, defining between them longitudinal cells. These slabs are intended to be juxtaposed and jointed to form floors. At their longitudinal ends, a prestressing framework opens to ensure their connection with the walls of a building.
- Another method of handling is to pass a strap under the slab at each of its ends.
- This method more secure than the previous one, is only really effective if there is an anti-slip system between the slab and each of the straps so as to prevent the slab from escaping from its support.
- One of the major disadvantages of this method lies in the fact that it is not possible to juxtapose two slabs edge to edge, given the presence of the straps that are interposed between the slabs.
- a remedy for this defect has been proposed by making notches on the edges of the slabs 5 intended to receive the straps so as to extract them once the slabs placed edge to edge. It is however necessary on the site, proceed to the filling of these notches.
- Another method of handling these slabs is to make holes in the slab at the factory and to place a sling in these holes so that the eye of the latter protrudes under the slab and is blocked by a bar. or a disc. This process is long and tedious, so expensive. He asks like the previous one, to re-fill the holes on site, which is a delicate operation and which harms the esthetics of the realized floor.
- document FR 2 822 868 proposes incorporating at the time of manufacture of the slab a transverse cable under the prestressing reinforcement, at least at each of its ends, this cable extending laterally from the slab.
- the outer end of these cables is provided with an eyelet which is the gripping means of the slab and when placed on site by juxtaposition, the outer portion of the cables and the eyelet can be folded to the inside in the space that forms the connecting joint of two adjacent slabs.
- the main disadvantage of this arrangement lies in the difficulty of integrating during the manufacture of a slab this transverse element. Indeed, a hollow slab is manufactured by an extrusion process so with a preferred direction and any element constituting this slab in another direction generates a manufacturing complication.
- the invention has for first object a cellular slab comprising an upper plate, a lower plate and intermediate partitions between the two plates defining between them parallel and longitudinal cells remarkable in that it is provided with less a lifting ring, constituted by a wire shaped as a jumper emerging from a concrete block located under an opening in the upper plate, directly above an intermediate partition, the branches of the rider being they themselves folded so that their free end extends under a reinforcing wire of the plate disposed in the foot of said intermediate partition.
- the lifting ring thus formed acts on the reinforcement of the slab and not on the concrete, which is a guarantee of safety of its anchoring.
- the concrete block in which the ends of the rider's limbs are drowned is produced by the top plate collapsing at the location of the opening and a part of the partition located at its right angle.
- the anchoring of the lifting ring is then achieved without adding new concrete, which simplifies the operation.
- the hoisting ring jumper can take many forms in that the end of its branches can be slid under a reinforcing wire of the slab.
- the rider has a vertex from which the two branches depart whose free ends are coplanar in an arc and symmetrical to each other with respect to a center which is the projection of the vertex on their plane.
- the total height of the rider will be such that its top will be located under the upper surface of the slab when the branch ends will be slid under the longitudinal frame wire of the slab.
- the second object of the invention is the method of producing the above-mentioned slab which consists, once the slab from its manufacturing machine, to proceed with the arrangement of an orifice in the upper plate, straddling an intermediate partition.
- the invention finally has a tool for implementing the aforesaid method, which comprises a wire cutting tool having a closed contour identical to the contour of the housing to be made, a handling handle of the rider capable of maneuvering from from the top of the latter, and a roller compactor.
- a vibrating head hand-held needle in the case of a manual tool or robotic machine trolley with programmed control in the industrial production phase
- FIG. 1 is a partial cross-sectional view of a cellular slab
- FIG. 2 illustrates this same cellular slab provided with a hole for accommodating a lifting ring
- FIG. 3 illustrates the above-mentioned hollow slab equipped with the lifting ring according to the invention
- FIG. 4 illustrates a device for protecting the lifting ring
- FIG. 5 is a perspective view of a first embodiment of the hoisting ring according to the invention.
- FIGS. 6A, 6B and 6C are respectively front, side and top views of a second embodiment of this hoisting ring
- FIG. 7 illustrates a first tool for preparing the slab for the establishment of the lifting ring
- FIGS. 8A and 8B are two orthogonal views of a second tool for setting up this ring
- a hollow core slab 1 is shown as having an upper plate 2, a lower plate 3 higher, longitudinal partitions 4 extending between these two plates to define therebetween the cells lon ⁇ gitudinaux 5 .
- This slab comprises a pre ⁇ constraint frame whose longitudinal son 6 is shown in a root portion 4a of each partition 4.
- the panel shown in section pre ⁇ feel an orifice 7 which was created by smashing of the upper plate 2, the broken concrete constituting a scouring 8 around the root portion 4a of the partition 4 at the base of which the orifice has been formed.
- FIG. 3 illustrates the disposition of a lifting ring 9 whose open geometry illustrated below allows ends of this ring to be slid under a prestressing reinforcing wire 6 and whose lower part of the branches is embedded. in a solid mass 10 of concrete which is made by compacting the landslide 8.
- the top S of the lifting ring 9 is at a level which is (Jm / more flush with that of the upper surface of the slab.
- FIG. 4 shows a plastic reinforcement 11 which has elastic tabs 11a capable of engaging under the edges of the orifice 7 and a bottom 11b traversed by the vertex S of the ring 9, this reinforcement 11 having a cover 12 folds and enclic- table on itself when it is put in place in the orifice 7.
- the lifting ring is shown alone. It can be seen that it has the shape of a jumper 13 having a vertex S and two branches coming from this vertex 14 and 15, here diverging, each of the branches being terminated by a circular end 16, 17, these ends being coplanar, therefore belonging to the same plane P.
- the center of the radius of curvature of each of these ends 16, 17 is a point C of the plane P which is the projection of the summit S of the rider.
- a dashed prestressing wire 6 is shown in phantom to illustrate the position in space of this rider 13 when it constitutes the hoisting ring of a hollow slab. It can be seen that this reinforcement 6 is situated above the coplanar ends 16 and 17 and crosses them substantially in their middle.
- FIGS. 6A, 6B and 6C there is shown an alternative embodiment of the jumper of FIG. 5.
- the branches 14 and 15 are each divided into three parts, a first part 14a, 15a which forms with the top S of the jumper a U, a second part 14b, 15b which extends the first part of each branch diverging from the plane containing them, a third lower part 14c, 15c each parallel to the plane containing the first parts 14a, 15a, the free ends 16, 17 being formed in an arc at the end of the portions 14c and 15c.
- These ends 16 and 17 pass through the plane containing the first portions 14a and 15a of the arms 14 and 15 of the rider.
- FIG. 6A and 6B show that, when projected in a plane passing through the middle of the ends 16 and 17 and the top of the rider, the latter affects the shape of a closed loop (FIG. 6B) whereas, when projected in a plane perpendicular to that of FIG. 6B, the jumper has the shape of an open U (FIG. 6A).
- the tool shown in FIG. 7 is a manual tool used to make the orifice 7. It comprises a vibrating needle 20 known in itself and a wire 22 defining a closed contour identical to the contour of the orifice 7, located in a plane perpendicular to the axis of the vibrating needle 20 and coupled thereto by flanges 21.
- This jumper is introduced vertically inside the orifice 7, and while the vibrating needle is in use, is pressed into the landslide 8 to a level slightly below this. he level of the prestressing wires 6.
- the depression of the jumper 13 is oriented, that is to say that it is made in the position thereof shown in Figure 8B, so that in the end of this depression, the pre-stressing wire 6 is located between the arms 14 and 15 of the rider.
- the compacting 8 is carried out in which the lower part of the rider 9 is embedded, compacting which leads to a homogeneous concrete mass 10 and consistent with the rest of the concrete slab, ensuring the strength and safety of the anchor of the rider in the thickness of the slab.
- a robotic machine comprising a vibrating head to which the aforesaid equipment (cutting wire, hook grip grip and compactor) can be hitched interchangeably or comprising several heads mounted in a carousel on a movable carriage programmed on a gantry spanning the slab at the exit of the extruder manufacturing.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL07823441T PL2057329T3 (pl) | 2006-08-30 | 2007-08-23 | Płyta kanałowa wyposażona w co najmniej jeden pierścień podnoszący |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0607617A FR2905397B1 (fr) | 2006-08-30 | 2006-08-30 | Dalle alveolee pourvue d'au moins un anneau de levage. |
| PCT/FR2007/001393 WO2008025894A2 (fr) | 2006-08-30 | 2007-08-23 | Dalle alveolee pourvue d'au moins un anneau de levage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2057329A2 true EP2057329A2 (fr) | 2009-05-13 |
| EP2057329B1 EP2057329B1 (fr) | 2016-03-09 |
Family
ID=37890092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07823441.6A Active EP2057329B1 (fr) | 2006-08-30 | 2007-08-23 | Dalle alveolee pourvue d'au moins un anneau de levage |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2057329B1 (fr) |
| ES (1) | ES2568041T3 (fr) |
| FR (1) | FR2905397B1 (fr) |
| PL (1) | PL2057329T3 (fr) |
| WO (1) | WO2008025894A2 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI121809B (fi) * | 2006-07-12 | 2011-04-29 | Elematic Oy Ab | Menetelmä ja laitteisto nostolenkkien asettamiseksi betonista valettuun ontelolaattaan |
| FR2981377B1 (fr) * | 2011-10-13 | 2013-11-01 | Kp1 | Procede d'insertion d'un fourreau de garde corps dans une dalle alveolee en beton |
| FI123873B (fi) | 2012-03-12 | 2013-11-29 | Elematic Oy Ab | Menetelmä ja laitteisto nostolenkin asentamiseksi sekä nostolenkin muodostava osa |
| EP2644803A3 (fr) * | 2012-03-27 | 2014-10-29 | Elematic Oy Ab | Procédé de renforcement d'une boucle de levage d'élément en béton et pièce de support pour une boucle de levage d'élément en béton |
| FI126297B (en) | 2013-11-22 | 2016-09-30 | Elematic Oyj | Lifting plug |
| CN109310813B (zh) * | 2016-04-13 | 2022-03-01 | 巴兹莱医疗中心的基础设施及卫生服务的医学研发基金会 | 血管内通路装置位移警报设备及方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3219139A1 (de) * | 1982-05-21 | 1983-11-24 | DETEC Fertigung GmbH, 6080 Groß-Gerau | Verfahren und vorrichtung zum einsetzen von transportankern in betonfertigteile |
| DE3322646C2 (de) * | 1982-08-26 | 1985-07-11 | Gebr. Philipp GmbH, 8750 Aschaffenburg | Seil-Transportanker und Verfahren zur Herstellung desselben |
| DK168695B1 (da) * | 1991-08-30 | 1994-05-24 | Betonelement A S | Transportbøjle til ekstruderede betonelementer |
| AUPR173200A0 (en) * | 2000-11-29 | 2000-12-21 | Tiltform Design & Development Pty Ltd | A void former and anchor assembly |
| FR2833285B1 (fr) * | 2001-12-10 | 2004-10-01 | Applic Composants Guiraud Frer | Procede de mise en place de moyens de levage dans des dalles precontraintes alveolees |
| FR2865228B1 (fr) * | 2004-01-15 | 2006-03-24 | Soprel | Procede de fabrication de dalles alveolees en beton precontraint equipees de boucles de levage et de manutention ainsi que dalles obtenues suite a la mise en oeuvre de ce procede |
| BE1016424A6 (nl) * | 2005-01-24 | 2006-10-03 | Echo | Hijshaak voor het opnemen van een geprefabriceerd betonelement. |
| FR2885548B1 (fr) * | 2005-05-10 | 2007-06-22 | Guimard Ets | Procede permettant d'incorporer des epingles de levage et de manutention dans des dalles alveolees en beton precontraint ainsi que dalle obtenue suite a la mise en oeuvre de ce procede |
| FI121809B (fi) * | 2006-07-12 | 2011-04-29 | Elematic Oy Ab | Menetelmä ja laitteisto nostolenkkien asettamiseksi betonista valettuun ontelolaattaan |
-
2006
- 2006-08-30 FR FR0607617A patent/FR2905397B1/fr active Active
-
2007
- 2007-08-23 WO PCT/FR2007/001393 patent/WO2008025894A2/fr not_active Ceased
- 2007-08-23 ES ES07823441.6T patent/ES2568041T3/es active Active
- 2007-08-23 EP EP07823441.6A patent/EP2057329B1/fr active Active
- 2007-08-23 PL PL07823441T patent/PL2057329T3/pl unknown
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008025894A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2057329B1 (fr) | 2016-03-09 |
| FR2905397A1 (fr) | 2008-03-07 |
| WO2008025894A2 (fr) | 2008-03-06 |
| WO2008025894A3 (fr) | 2008-04-17 |
| FR2905397B1 (fr) | 2015-01-16 |
| ES2568041T3 (es) | 2016-04-27 |
| PL2057329T3 (pl) | 2016-08-31 |
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