EP4030019A1 - Schalungselement mit mindestens einer randverbindungsvorrichtung, anordnung von zwei schalungselementen und verbindungsverfahren - Google Patents

Schalungselement mit mindestens einer randverbindungsvorrichtung, anordnung von zwei schalungselementen und verbindungsverfahren Download PDF

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Publication number
EP4030019A1
EP4030019A1 EP21216350.5A EP21216350A EP4030019A1 EP 4030019 A1 EP4030019 A1 EP 4030019A1 EP 21216350 A EP21216350 A EP 21216350A EP 4030019 A1 EP4030019 A1 EP 4030019A1
Authority
EP
European Patent Office
Prior art keywords
formwork
connecting rod
clamping device
head
odh
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
EP21216350.5A
Other languages
English (en)
French (fr)
Other versions
EP4030019B1 (de
Inventor
Thierry Braud
Patrick Micheneau
Franck GUERINEAU
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.)
Sateco SA
Original Assignee
Sateco SA
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
Application filed by Sateco SA filed Critical Sateco SA
Publication of EP4030019A1 publication Critical patent/EP4030019A1/de
Application granted granted Critical
Publication of EP4030019B1 publication Critical patent/EP4030019B1/de
Active legal-status Critical Current
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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • 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
    • E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • 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
    • E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G2011/067—Integrated forms comprising shuttering skin, bracing or strutting arrangements, workplatforms and railings

Definitions

  • a formwork form comprises a support structure on which is mounted a wall comprising a formwork face.
  • each form has laterally bottom connection means, middle connection means and top connection means to cooperate with complementary connection means of another form.
  • a set of connected formwork is commonly called a "formwork train”.
  • the object of the invention is therefore to remedy these drawbacks by proposing a formwork able to be connected laterally to another formwork in a simple, rapid and practical manner in order to reduce the arduousness of the operators.
  • the clamping device makes it possible to bring them together by simple traction on a connecting rod which is adjustable.
  • the present invention takes the opposite of a traditional connection during which a tightening is carried out on the connecting rod.
  • the displacement member is not orientable, which makes it possible to achieve an optimal tractive effort in a repeatable manner.
  • the service life of the displacement member is advantageously extended.
  • a connection device according to the prior art is compatible with a clamping device according to the invention, which is advantageous.
  • a connection of the formwork is always possible by performing a tightening as in the prior art by tightening at the level of the connecting device.
  • the head comprises two through lights. This advantageously makes it possible to achieve fast and robust pinout with a connection end. In addition, broaching remains possible even in the event of inclination of the connecting rod with respect to the horizontal opening axis.
  • the displacement member is in the form of a hydraulic actuator.
  • a hydraulic actuator makes it possible to provide assistance to an operator and to reduce his difficulty.
  • a hydraulic actuator also has the advantage of ensuring a high and precise tightening tension.
  • the first lateral edge comprising at least one upper receiving opening and one lower receiving opening, extending respectively along horizontal opening axes, each receiving opening being configured to allow the passage of a connecting rod belonging to a connection device of another formwork formwork
  • the formwork formwork comprises a top clamping device and a bottom clamping device, each clamping device being configured to exert traction on a connecting rod.
  • At least two clamping devices spaced vertically make it possible to ensure a connection between the formwork while maintaining the parallelism of the formwork front faces. It goes without saying that there could be more of them.
  • each form has only two clamping devices. Indeed, because of their improved performance, a clamping at two points is sufficient, which reduces the cost and complexity of such a formwork.
  • the formwork comprises a control unit configured to coordinate the movements of the displacement members of the two clamping devices.
  • a control unit thus makes it possible to bring the two edges together in an optimal manner by acting, on the one hand, on the bottom clamping and, on the other hand, on the top clamping in order to limit the mechanical stresses which can lead to premature wear.
  • the formwork comprises a control unit configured to control the displacement of the displacement member, the control unit being adapted to be controlled by an electric screwdriver.
  • an operator can directly activate the movement with a portable screwdriver.
  • control unit comprises a sequencing member configured to first control the bottom clamping device and then the top clamping device.
  • a tightening at the low point makes it possible to bring the bases of the formwork closer together and thus limit friction and mechanical stress.
  • control unit is configured to carry out a clamping in the high position only when the clamping tension at the low point is greater than a first determined clamping threshold.
  • a partial tightening is first carried out in the low position before starting a tightening in the high position in order to reduce the mechanical stresses in the edges.
  • control unit is configured to then carry out a tightening in the high position and in the low position until a predetermined final tightening tension is reached.
  • final tightening is carried out simultaneously to save time when connecting the formwork.
  • the locking member is in the form of a pin.
  • the formwork comprises a second lateral edge comprising at least one passage opening, extending coaxially to the horizontal opening axis of the first lateral edge, the formwork comprising a connecting device comprising a connecting rod configured to extend into the passage opening and to be pulled by a clamping device of another formwork.
  • the connecting device comprises a centering member which advantageously makes it possible to orient the connecting rod and to compensate for the positioning differences between the formwork during the bringing together step.
  • the invention also relates to a set of a first formwork and a second formwork as presented above, in which the connecting device of the second formwork cooperates with the clamping device of the first formwork, the connecting rod passing through the opening for passage of the second form and the opening for receiving the first form, the locking member of the clamping device blocking in translation along the horizontal opening axis the connection end of the connecting rod and the head of the clamping device.
  • the formwork 100 comprises a support structure 101 on which is mounted a vertical wall defining a formwork front face 102.
  • the formwork front face 102 is in the form of a steel sheet but it will of course that a stainless steel sheet or a wooden board could also be suitable.
  • the support structure 101 comprises vertical stiffeners fixed to the front formwork face 102.
  • the formwork 100 also comprises peripheral edges extending perpendicularly to the vertical wall.
  • Formwork 100 has in particular two side edges, a left side G and a right side D, which extend vertically and perpendicular to the front formwork face 102.
  • the formwork 100 is presented in an orthogonal frame (X, Y, Z) in which the X axis extends horizontally and parallel to the vertical wall from the right to the left, the Y axis runs orthogonal to the vertical wall from back to front and the Z axis runs vertically and parallel to the vertical wall from bottom to top.
  • each edge G, D is adapted to be connected laterally to another formwork edge at two points: a high point PH and a low point PB.
  • the number of points could be greater depending on the height of the panel.
  • only two connection points are necessary to ensure a connection. Subsequently, for the sake of clarity and conciseness, only one connection at the level of the high point PH and the low point PB will be presented.
  • the left bank G comprises two connection devices 2 positioned respectively at the level of the high point PH and at the level of the low point PB.
  • the right bank D comprises two clamping devices 3 positioned respectively at the level of the high point PH and at the level of the low point PB and configured to cooperate with the connection devices of another form. It goes without saying that the connecting devices 2 and the clamping devices 3 could be reversed on the edges G, D of the formwork 100.
  • the connecting devices 2 and the clamping devices 3 used at the high point PH are similar to those used at the low point PB. Also, for the sake of clarity and conciseness, only the clamping device 2 and the connecting device 3 used at the high point PH will be presented.
  • the right bank D has a high reception opening ODH extending horizontally and parallel to the axis X along an axis X-ODH ( Figure 6 and 7 ).
  • the left side bank G comprises, at its high point PH, a high passage opening OGH which extends coaxially to the high reception opening ODH of the right bank D.
  • the openings high ODH, OGH extend to a vertical height of about 230 cm.
  • the right bank D has a low reception opening ODB extending horizontally and parallel to the axis X.
  • the left side bank G has, at its low point PB , a low passage opening OGB which extends coaxially with the low reception opening ODB of the right bank D.
  • the low openings ODB, OGB extend to a vertical height of the order of 35 cm .
  • Each passage opening OGH, OGB is associated with a connecting device 2 while each receiving opening ODH, ODB is associated with a tightening device 3.
  • the connecting device 2 is mounted on the inside of the left bank G, in particular, suspended from the support structure 101.
  • the connecting device 2 comprises a connecting rod 20 on which is mounted a centering member 21 configured to cooperate by shape complementarity with the upper passage opening OGH with which it is associated.
  • the centering member 21 is mounted in translation on the connecting rod 20 so as to provide traction during a connection between panels.
  • the centering member 21 has a flared or conical shape so as to be able to cooperate with the upper passage opening OGH formed in the left bank G even when the connecting rod 20 is not aligned with the axis X-OGH of the upper passage opening OGH.
  • the connecting rod 20 has a connection end 20A which has a through hole 201 so that it can be broached.
  • the connecting rod 20 can be turned around its axis X-OGH so as to modify the orientation of the through hole 201.
  • the connecting rod 20 comprises a threaded portion 20B, located opposite the end connection 20A, onto which a nut 22 is screwed.
  • a tab 23 is mounted on the connecting rod 20, between the centering member 21 and the nut 22, so as to suspend the connecting device 2 to the formwork 100 in order to allow the movement of the connecting rod 20 along the X-OGH axis but also to allow its inclination with respect to the X-OGH axis, which is advantageous for connecting two sides of formwork which are shifted along the Y axis or along the Z axis (Figs 12A and 12B).
  • Such a connecting device 2 is known to those skilled in the art since it is used for a traditional connection of the edges of a formwork. Also, for the sake of brevity, it will not be presented in more detail.
  • Such a connecting device 2 can be introduced into a passage opening of another formwork, broached then tightened by means of a key in order to carry out a manual connection using a tightening key by acting on the nut 22.
  • the present invention retains the connecting device 2, which allows, on the one hand, compatibility with forms according to the prior art and, on the other hand, manual tightening (similar to the prior art) in the event of failure of the clamping device 3.
  • the clamping device 3 is mounted on the inside of the right bank D, in particular, secured to the support structure 101.
  • the clamping device 3 is configured to exert traction on the connecting rod 20 so as to perform the clamping during the connection. In other words, the operation is reversed to a traditional tightening in which the tightening is carried out on the connecting rod 20 side by tightening the nut 22.
  • the clamping device 3 comprises a head 4, extending opposite the upper receiving opening ODH, comprising an open cavity 40 configured to receive the connection end 20A of the connecting rod 20.
  • the open cavity 40 extends opposite the upper reception opening ODH so that the connection end 20A of the connecting rod 20 penetrates successively through the upper reception opening ODH then the open cavity 40.
  • the head 4 preferably has a cylindrical shape.
  • the open cavity 40 has a diameter at least equal to that of the upper reception opening ODH in order to allow a connection according to various inclinations of the connecting rod 20.
  • the head 4 has two through slots 41, 42 diametrically opposed so as to allow locking as will be presented later. It goes without saying, however, that the locking could be carried out in a different way.
  • the head 4 has a length of the order of 70mm and a diameter of the order of 70mm.
  • the through slots 41, 42 are aligned along a locking axis U as illustrated in figure 8 which is separated from the Y axis by an angle ⁇ of between 100° and 170° so as to allow optimum locking due to gravity.
  • the clamping device 3 further comprises a locking member 5 configured to block together the connection end 20A of the connecting rod 20 with respect to the head 4.
  • the locking member 5 is in the form of a pin adapted to penetrate successively into a first through hole 41 of head 4, through hole 201 of connecting rod 20 and second through hole 42 of head 4.
  • head 4 and connecting rod 20 are integral in translation along the X-ODH axis following locking. It goes without saying that the locking member 5 could be in a different form.
  • the clamping device 3 further comprises a member 6 for moving the head 4 in translation along the horizontal axis X-ODH of the upper reception opening ODH so as to perform clamping.
  • the displacement member 6 allows the movement of the head 4 only on the inner side of the right bank D. In other words, the displacement member 6 does not allow the head 4 to be moved through the upper opening ODH reception.
  • the displacement member 6 is in this example in the form of a hydraulic member but it goes without saying that it could be electric, pneumatic or other.
  • the displacement member 6 can take the form of a mechanical transmission member controlled by an electric screwdriver. Thus, an operator can make the connection with his personal screwdriver.
  • the displacement member 6 comprises a cylinder 61 secured to the support structure 101 and a displacement rod 62 mounted to move in translation in the cylinder 61 along the X-ODH axis of the upper reception opening ODH.
  • the head 4 is fixed to the free end of the displacement rod 62.
  • the displacement member 6, in particular the displacement rod 62 has a displacement stroke of between 4cm and 8cm.
  • Each tightening device 3 thus moves between a position of use in which the head 4 is away from the right bank D and a rest position in which the head 4 is close to the right bank D.
  • the cylinder 61 is supplied by two hydraulic channels 7 in order to control the displacement rod 62 in both directions.
  • each clamping device 3 is controlled by a control unit 8 which makes it possible to define the tensile force, that is to say, the clamping tension. This makes it possible to tighten all the formwork in a train of formwork in an analogous and repeatable manner, without difficulty.
  • the control unit 8 comprises a hydraulic pump which controls the displacement member 6.
  • the clamping devices 3 in the high position PH and in the low position PB are controlled by the control unit 8 so as to coordinate their movements as will be presented below.
  • the control unit 8 is configured to control the displacement of one or more displacement members 6.
  • the control unit 8 is adapted to be controlled by an electric screwdriver. Thus, an operator can make the connection with his personal screwdriver.
  • the control unit 8 comprises a sequencing member 81 so as to coordinate the tightening in the high position PH and in the low position PB.
  • the sequencing member 81 is configured to only allow tightening in the low position PB until a first tightening threshold is reached, in particular, of the order of one ton. Then, the sequencing member 81 (sequencing valve) allows clamping in the low position PB and in the high position PH until the desired clamping tension, here of the order of 3 tons.
  • the control unit 8 makes it possible to balance the clamping tensions in the high position PH and in the low position PB. Such partial preliminary tightening in the lower position PB makes it possible to reduce the mechanical stresses before carrying out a final tightening.
  • connection of a first formwork 100 and a second branch 100' will be presented at the figure 11 .
  • the connection is made at a high point PH and a low point PB.
  • the panels 100, 100' are positioned next to each other approximately. As shown in figure 12A and 12B , the forms are spaced along the three axes X, Y and Z and are not aligned.
  • Forms 100, 100' will be assembled by linking the right bank D of the first form 100 to the left bank G' of the second form 100'.
  • the clamping devices 3 are in the rest position so that each head 4 is close to its reception opening ODH, ODB.
  • each connecting device 2' of the second form 100' is manipulated by an operator in order to position the connection end 20A' of the connecting rod 20' in the head 4 of the clamping device 3 of the first form 100.
  • each connecting rod 2 can be oriented so as to pass successively through a passage opening OGH' and a reception opening ODH.
  • Such a connecting device 2 is simple to handle and offers great flexibility in taking up the gaps between the edges D, G'.
  • the dimensions of the head 4 of the clamping device 3 are adapted to allow various orientations of the connecting rod 20' while allowing the connection end 20A' to be housed in the head 4.
  • the dimension of the through opening 201' in the connecting rod 20' is large enough to allow locking of the connecting rod 20' according to various orientations in the cavity 40 of the head 4.
  • a simple broaching of the locking member 5 makes it possible to connect the connecting rod 20' and the head 4 together.
  • the orientation of the locking axis U allows the operator guided broaching due to gravity and this without vision of the lights 41, 42 or the through opening 201 in the high position PH.
  • the displacement members 6 of the clamping devices 3 are controlled by the control unit 8 so that the clamping devices 3 move into the position of use by exerting traction on the connecting rods 20' with which the heads 4 are connected.
  • the control is hydraulic but it could also be implemented mechanically by means of a screwdriver or the like.
  • the approach step is carried out with assistance and does not require human force.
  • a clamping tension of 3 tons is sought both at the high point PH and at the low point PB.
  • the control unit 8 comprises a sequencing member 81 which first of all controls tightening at the low point PB so as to bring the base closer to the edges D, G'. As long as a tightening tension of one ton is not obtained at the low points PB, no tightening is carried out at the high point PH.
  • Such preliminary tightening at the low point PB makes it possible to improve the connection by reducing the difference between the centers of gravity of the form panels 100, 100' and thus limiting the forces at the high point PH during the final tightening.
  • two forms 100, 100' can be connected in a practical manner and without effort by an operator due to the assistance of the clamping member 3.
  • the head 4 of the clamping member 3 is only configured to translate along the axis of the receiving opening ODH, which allows optimum transmission of forces compared to a head 4 which could tilt in various orientations.
  • the use of a connection device 2 according to the prior art makes it possible to reduce the costs by authorizing the connection with a formwork according to the prior art, that is to say, provided with a device for connection 2 but devoid of a clamping device 3.
  • locking is still possible by the locking member 5.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP21216350.5A 2021-01-14 2021-12-21 Schalungselement mit mindestens einer randverbindungsvorrichtung, anordnung von zwei schalungselementen und verbindungsverfahren Active EP4030019B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2100333A FR3118780B1 (fr) 2021-01-14 2021-01-14 Banche comprenant au moins un dispositif de liaison en rive, ensemble de deux banches et procédé de liaison

Publications (2)

Publication Number Publication Date
EP4030019A1 true EP4030019A1 (de) 2022-07-20
EP4030019B1 EP4030019B1 (de) 2023-01-18

Family

ID=74669153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21216350.5A Active EP4030019B1 (de) 2021-01-14 2021-12-21 Schalungselement mit mindestens einer randverbindungsvorrichtung, anordnung von zwei schalungselementen und verbindungsverfahren

Country Status (2)

Country Link
EP (1) EP4030019B1 (de)
FR (1) FR3118780B1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06136938A (ja) * 1992-10-28 1994-05-17 Nisso Sangyo Kk 型枠装置
FR2808039A1 (fr) 2000-04-21 2001-10-26 Outinord St Amand Dispositif de rapprochement et d'affleurement des banches
FR2941254A1 (fr) 2009-01-21 2010-07-23 Sateco Sa Banche de coffrage d'un mur en beton.
EP2211001A1 (de) * 2009-01-21 2010-07-28 Sateco Schalung zum Giessen von einer Betonmauer, Anordnung von miteinander verknüpften Schalungen
FR2944223A1 (fr) * 2009-04-10 2010-10-15 Sateco Sa Dispositif de serrage par vissage, outil comprenant un tel dispositif de serrage et utilisation d'un tel outil pour la fixation de banches de coffrage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470220A1 (fr) * 1979-11-21 1981-05-29 Husson Et Cie Sa Roland Banche pour la realisation de murs, ou analogues
FR2718777B1 (fr) * 1994-04-15 1996-06-07 Sateco Sa Dispositif de coffrage à banches.
FR2941255B1 (fr) * 2009-01-21 2013-06-28 Sateco Sa Banche de moulage d'un voile en beton muni d'un verin d'assemblage a vis et ensemble de banches correspondant.
FR2969195B1 (fr) * 2010-12-20 2014-02-21 Outinord St Amand Rapprochement et affleurement de deux coffrages pour le batiment.
FR3079540B1 (fr) * 2018-03-29 2021-10-29 Outinord St Amand Dispositif de coffrage a montage ameliore

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06136938A (ja) * 1992-10-28 1994-05-17 Nisso Sangyo Kk 型枠装置
FR2808039A1 (fr) 2000-04-21 2001-10-26 Outinord St Amand Dispositif de rapprochement et d'affleurement des banches
FR2941254A1 (fr) 2009-01-21 2010-07-23 Sateco Sa Banche de coffrage d'un mur en beton.
EP2211001A1 (de) * 2009-01-21 2010-07-28 Sateco Schalung zum Giessen von einer Betonmauer, Anordnung von miteinander verknüpften Schalungen
FR2944223A1 (fr) * 2009-04-10 2010-10-15 Sateco Sa Dispositif de serrage par vissage, outil comprenant un tel dispositif de serrage et utilisation d'un tel outil pour la fixation de banches de coffrage

Also Published As

Publication number Publication date
FR3118780A1 (fr) 2022-07-15
EP4030019B1 (de) 2023-01-18
FR3118780B1 (fr) 2023-09-29

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