EP3633106A1 - Metall-beton-hybrid-fahrspurtrennmodul, und herstellungsverfahren einer trennschranke - Google Patents

Metall-beton-hybrid-fahrspurtrennmodul, und herstellungsverfahren einer trennschranke Download PDF

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Publication number
EP3633106A1
EP3633106A1 EP19200921.5A EP19200921A EP3633106A1 EP 3633106 A1 EP3633106 A1 EP 3633106A1 EP 19200921 A EP19200921 A EP 19200921A EP 3633106 A1 EP3633106 A1 EP 3633106A1
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EP
European Patent Office
Prior art keywords
module
modules
rails
concrete
base part
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
EP19200921.5A
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English (en)
French (fr)
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EP3633106B1 (de
Inventor
Martin BOURBON
Sébastien Dumenil
Xavier MALINOSKY
Pascal Ricard
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.)
Aximum SAS
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Aximum SAS
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Publication of EP3633106A1 publication Critical patent/EP3633106A1/de
Application granted granted Critical
Publication of EP3633106B1 publication Critical patent/EP3633106B1/de
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
    • E01F15/088—Details of element connection
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
    • E01F15/081—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material
    • E01F15/085—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks characterised by the use of a specific material using metal

Definitions

  • the present invention relates generally to the field of road works and equipment. It relates more particularly to a hybrid metal-concrete module separating traffic lanes intended to produce barriers for separating traffic lanes and in particular temporary. A method of producing a barrier for separating traffic lanes by connecting modules is also presented.
  • Modular dividers that are assembled to form a delimitation of traffic lanes must have sufficient restraint capacity for vehicles striking them. These capacities are generally recommended in standards.
  • the present invention is distinguished by the possibility of offset between the modules to follow a turn or a slope, thanks to the freedom of rotation of the pin screws ensuring the connection between the modules.
  • modules with greater inertia in particular by increasing the weight, and greater ease of joining the modules together, even for modules of great unit length. It is also useful to be able to adjust the integral modules to the shape of the roadway on which they are installed, both for a slope break and for a turn, and this, without causing a detrimental reduction in the holding capacity from the whole.
  • the present invention provides a hybrid metal-concrete module separating traffic lanes, the modules being intended to be placed on a traffic pavement to form a barrier delimiting traffic lanes, the module being a straight element with a main axis elongated longitudinally between two connection ends intended to be connected to the connection ends of two other adjacent modules to form an alignment of modules joined together, each module comprising downwards a base part, upwards a ridge part, connected to each other by extended uprights between the base part and the ridge part, the module being substantially symmetrical with respect to a longitudinal vertical median plane, the base part being wider than the ridge part, each connection end having an ext face vertical metal rim perpendicular to the main axis of the module, the end face being intended to be placed opposite an end face of another adjacent module in the alignment of modules.
  • connection ends comprise on their end faces complementary means for securing the modules to each other, the complementary securing means comprising pins and elongated slots, a given pin fixed on a connection end being intended to be passed and positioned in a slot corresponding to the other connection end in order to prevent the modules from being separated from one another at least along the main axis, each mushroom-shaped pin comprising a barrel terminated at its free end by a head wider than the barrel, each pin projecting horizontally and parallel to the main axis of the module towards the outside of the end face to which it is fixed, and each slot is elongated vertically and crosses the thickness of the end face , at least a part of each slot having a width allowing the passage of the barrel of the pawn but not of the head of the pawn in order to po see retain in said slot part a pawn passed in the corresponding slot.
  • the complementary securing means comprising pins and elongated slots, a given pin fixed on a connection end being intended to be passed and positioned
  • the spacing of the head of the pin relative to the end face to which it is fixed is adjustable so as to be able to adjust the clamping or the axial spacing and maximum angular tolerated between the connection ends of two connected modules.
  • the invention also relates to a hybrid metal-concrete module separating traffic lanes, the modules being intended to be placed on a traffic pavement to form a barrier delimiting circulation lanes, the module being a straight element of main axis elongated longitudinally between two connection ends intended to be connected to the connection ends of two other adjacent modules to form an alignment of modules joined together, each module having a base portion downwards, towards the top a ridge part, connected to each other by extended uprights between the base part and the ridge part, the module being substantially symmetrical with respect to a longitudinal vertical median plane, the base part being wider than the ridge part , each connection end having a vertical metal end face perpendicular to the axis main of the module, the end face being intended to be placed opposite an end face of another adjacent module in the alignment of modules, the connecting ends comprising on their end faces complementary means joining the modules together, and in which module, the ridge part is made of metal and has two longitudinal lateral sides made up of two parallel lateral slides continuous horizontal lines separated
  • the invention also relates to a method for producing a barrier for separating traffic lanes by connecting modules, the modules comprising a metal frame and concrete, the modules being placed on a traffic pavement of a site, in which process modules are used according to the invention, the metal frames are transported to the site and once on site concrete is poured into the base part of the modules, or the modules with their concrete in the base part, and to connect a new module to a module already installed on the ground, the new module raised above the ground is brought substantially in the axis of the module already installed on the ground so that their opposite end faces include securing means which are complementary to each other, and the joining means between them are engaged, such as pawns and slots, the descent to the ground of the new module joining the two m odules, and the spacings of the stud heads are adjusted relative to the end face to which said studs are fixed so as to be able to adjust the tightening or the maximum axial and angular spacing tolerated between the connecting ends of the two modules.
  • the spacing of the head of the pin is adjusted differently for each of said two pins. relative to the end face to which it is fixed so that the connecting ends of the two connected modules are more apart on a lateral side with respect to the other lateral side.
  • connection ends of the two connected modules can be force-tightened against each other or, on the contrary, leave the possibility of a predefined clearance.
  • this principle of angular offset in the configuration for securing the modules may relate to an angulation in a horizontal plane if the roadway has for example a bend but also an angulation in a vertical plane if the roadway has a slope break and, more generally , the invention allows angular offsets combining vertical and horizontal to be able to adapt to all forms of pavement.
  • the hybrid metal-concrete separator module of the invention comprises a metal framework made up of metal parts welded together and the lower part of which, known as the base part, forms a lost formwork into which concrete has been poured, or can be poured. . Concrete significantly increases the weight of the module. Concrete also provides additional relative resistance against metal deformation in the event of impact. However, in the preferred embodiment, the concrete is not chosen and / or used to have optimum impact resistance and, in particular, it is not reinforced or prestressed or loaded with fibers or the like. A standard concrete is preferably used, the main characteristic of which is to be reduced cost.
  • the proposed module makes it possible to retain a light vehicle or a heavy vehicle with a relatively reduced deformation of the barrier made up of separator modules connected together, and this typically according to standards T3W2, H1W4. It also makes it possible to prevent the wheels and in particular the fastening bolts of the wheels of heavy vehicles from coming to bear on the metal parts of the module, risking raising the vehicle.
  • the hybrid module 1 has three main parts, upwards a ridge part 2, downwards a base part 3 and between the two uprights 4, 5 and 6 connecting the two.
  • the area between the ridge part and the base part is essentially empty except for the uprights.
  • those at the two longitudinal ends of the module form the connecting ends 5, 6 of the module 1.
  • the module is straight and it is elongated longitudinally, that is to say in the direction of the length forming its main axis. .
  • the module is substantially symmetrical with respect to a longitudinal vertical median plane and has, when viewed transversely, a template of truncated pyramidal shape, with a wide base downwards.
  • module 1 between the ridge part and the base part is essentially empty except for the uprights.
  • connection end 5, 6 of the module 1 has an end face 50, 60 vertical metal perpendicular to the main axis of the module. Each end face is intended to be placed opposite a complementary end face of another adjacent module in an alignment of modules.
  • the connection ends 5, 6 have on their end faces 50, 60 complementary means for securing the modules together. These complementary securing means are in this example pawns with screw type 9 and slots 19.
  • the screws 9 comprise maneuverable screw heads and threaded drums and can be screwed and unscrewed on the connection end 5, 6 the load-bearing, which makes it possible to adjust the spacing of the head of the pin, the head of the screw 9 in this case, relative to the end face to which it is fixed.
  • the barrels of the screws 9 can be passed through the slots 19 in correspondence with the screws 9. This results in an interlocking fixing, of the button type.
  • the ridge part 2 is made up of two continuous horizontal parallel side rails 20 separated and held together by horizontal transverse spacers 21.
  • the two lateral slides 20 are also fixed to the upper ends of the uprights 4, 5 and 6.
  • the slides 20 are extended longitudinally between the two connecting ends 5, 6 of the module 1.
  • Each slide forms a side wall of the ridge part which is vertical.
  • the slides 20, spacers 21, uprights 4, 5, 6 are metallic and welded together.
  • the base part 3 has two longitudinal lateral sides each consisting of two parallel lateral metal rails, horizontal and vertically superimposed.
  • the rails 30 are metallic and are welded to the lower ends of the uprights 4, 5, 6.
  • the two rails 30 on each lateral side can be welded together.
  • the two rails 30 on each lateral side form a side wall of the base part which is vertical.
  • the lateral rails 30 are extended longitudinally between the two connection ends 5, 6 of the module 1.
  • a bottom element 31 notably visible on the figures 2 , 5A and 5C , closes down the base part 3 and is extended transversely between the side rails 30 on the two lateral sides of the base part 3.
  • This bottom element 31 in one piece or resulting from an assembly of several plates is extended longitudinally between the two connecting ends 5, 6 of the module 1.
  • the bottom element 31 in the case where it is metallic, is welded to the rails 30.
  • the bottom element can be removable and it is removed once the concrete solidified.
  • the bottom element can be made of wood
  • the slides 20 and the rails 30 are standard metal profiles in U and those of the feet 70 in U with returns, in particular of the type serving as a pile / support for beams on the edge of all. It can be the same for the spacers 21 of the ridge part 2.
  • the spacers 21 of the ridge part 2 and the upper parts of the connection ends 5, 6 of the module 1 are cut sheets , shaped if necessary and assembled by welding and similarly for the connection ends 5, 6.
  • the slides 20 and the rails 30 are standard profiles U100.
  • the metal parts have suitable thicknesses with for example 10 mm for the connection ends, 5 mm for the spacers, between 4 and 5 mm for the rails and slides
  • the entire framework of the module made up of welded metal parts is hot-dip galvanized.
  • the module 1 shown has three uprights 4 intermediate between the two connection ends 5 and 6.
  • the module 1 shown has four spacers 21 in the ridge portion, each substantially equidistant from the two adjacent uprights 4, 5 or 6.
  • the rails 30, the bottom element 31 and the connecting ends 5, 6 form a lost formwork in which a concrete 8 is poured as can best be seen in fig 2 or the Figures 5A and 5C .
  • the module 1 therefore comprises a median longitudinal concrete block 8.
  • the concrete is preferably continuous between the two ends, the uprights being drilled at the height of the base part so that the concrete communicates on both sides of the uprights. In a variant, the concrete is compartmentalized.
  • the module has a total mass of around 1155 kg for a module of 6 m of useful length (about 6.15 m overall), 0.3 m wide at the level of the base part and 0.71 m in height.
  • the width of the module at the ridge part is 0.26 m.
  • the assembled metal parts forming the framework of the module have, before pouring the concrete, an approximate weight of 390 Kg and the concrete alone, after drying, an approximate weight of 765 Kg.
  • the volume of concrete is approximately 0.310 m 3 per module.
  • the width of the ridge part is suitable for handling the block with existing standard clamps for unloading and loading on a semi-trailer.
  • the modules have a unit length of 6 m, but in variants, provision is made for modules of length 2 m, 4 m and 12 m for specific uses.
  • spacers can be fixed transversely between the rails 30 on the two lateral sides of the base part 3 and taken in concrete.
  • This box 11 can internally contain any useful document and / or device, mechanical or electronic, and, for example an RFID identifier or equivalent, a mechanical or electronic shock detector. In the latter case, provision can be made for the shock detector to be able to generate electricity during the shock and that this electricity can power the device temporarily to allow certain operations, including recording the shock in a memory, in particular FLASH®.
  • the housing 11 includes an electric battery or, optionally, a rechargeable battery if an external electric power source such as a photovoltaic panel is available.
  • the term box is generic and that it can just as easily correspond to encapsulation by resin or other of the device, as to a box inside which the device is placed.
  • the module 1 rests on the roadway by means of feet 7 comprising U-shaped profiles with returns 10 fixed longitudinally to the underside of the base part 3 and a plate on which a layer of an elastomer 71 is fixed.
  • An elastomer interface is therefore present between module 1 and the roadway, which ensures a satisfactory grip capacity.
  • piles to be inserted through the module and driven / forced or screwed into the roadway to positively anchor the module to the ground.
  • connection ends 5, 6 of module 1 have a general profile substantially in H in horizontal section with two vertical transverse walls parallel to each other and medially connected to each other by a vertical median axial wall, one of the two transverse walls corresponding to the end face of the module 1.
  • one of the two transverse walls corresponds to the end face 50, the other to the internal wall 52, the two being connected by the axial wall median 51.
  • one of the two transverse walls corresponds to the end face 60, the other to the internal wall 62, the two being connected by the median axial wall 61 .
  • the complementary fastening means of screw type 9 and the slots 19 are distributed between the two connection ends 5, 6 to be complementary between the modules and to ensure retaining forces against the separation of the modules with a certain symmetry.
  • two slots 19 are arranged on the end face 50 downwards, at the level of the base part 3, and a screw upwards, at the level of the ridge part 2.
  • the screw protrudes from the end face 50 and it can be screwed, which brings the head of the screw closer to the end face 50, or unscrewed, which keeps it away.
  • the screw is arranged on the vertical median plane of the module.
  • a slot 19 is arranged on the end face 60 upwards, at the level of the ridge part 2 and two screws downwards, at the level of the part base 3.
  • the screws protrude from the end face 60 and they can be screwed, which brings the screw heads closer to the end face 60, or unscrewed, which distances them.
  • the two screws are arranged on the same level and symmetrically with respect to the vertical median plane of the module.
  • the slots 19 have a uniform width over their height and which allows the passage of the threaded barrel of the screws 9 but not of their heads.
  • the slots open onto the top or bottom edge, as the case may be, of the corresponding end face.
  • the screws can be re-tightened to press the two end faces against each other for a straight barrier without angulation between modules. If an angle between two modules is desired, a certain amount of clearance will be left to the screws so as not to flatten the end faces and leave an angle between them. Thanks to this angulation between module end faces, a barrier can be produced with an admissible radius of curvature of 72 m for modules 6 m long. This radius of curvature is adjustable according to the tightening of the screws.
  • the screws are of type M42 and a washer is welded to the head of the screw.
  • a nut 18 is welded to the end face 50, inside of the connection end 5, by means of a support washer as visible figure 8 for the ridge part 2.
  • the same principle is used for the two screws of the base part 3, the nuts with welded support washers being this time welded to the end face 50 on the inner side of the connection end 6.
  • a free space is left on the side inside of the uprights forming the connection ends 5 and 6.
  • this space is further supplemented by a cutout of the internal wall 62 of the connection end 6.
  • the free space is behind the plate 53 and, preferably, this plate 53 is removable to improve access to the screw head.
  • the removable plate 53 can be clipped and unclipped.
  • a ratchet wrench is preferably used which has the advantage of not requiring a large angular clearance and can remain engaged on the head of the screw during screwing and unscrewing.
  • the figure 9 allows you to see more precisely how you can build a module. It should be made clear right away that in the exploded view of the figure 9 , the concrete 8 which is represented there is schematically / symbolically because it is well understood that it does not in reality appear as a homogeneous bar since it crosses and is taken in the uprights 4. It is recalled indeed that this concrete is poured into the lower part of the metal framework. It can be noted that the two metal feet 7 are fixed on two of the uprights 4. During the manufacture of the metallic framework, the intermediate uprights 4 and the ends 5 and 6 are produced on the one hand, and then welded there, in top, two side rails 20 and the spacers 21 between the rails 20, and bottom, two side rails 30 on each side.
  • the bottom element has not been shown because it is used temporarily during the pouring and setting of the concrete 8 to close down the lost formwork of the lower part and it is then reused for pouring the concrete into another framework and so on.
  • the bottom element is left in place permanently in the module, this bottom element can be metallic or wooden.
  • the modules and the frames are stackable / stackable over several heights thanks to the base part forming a flat base and to the robustness and stability of the product.
  • This stability is obtained although the module has a relatively narrow base, which is an advantage in construction sites where the available space can be relatively reduced, such as in an urban environment.
  • the module and the framework making it up can be declined in many other ways.
  • the metal parts constituting it, in particular the slides and rails may have dimensions and / or shapes different from those of the example shown.
  • Various accessories can be combined such as optical deflectors, lights, masking or anti-glare screens. It is also possible to provide a jumper plate for cladding / full blackout screen, delineators with reflectors, connection covers on DBA, GBA and DBAT. More generally, provision is made at the outset for holes in the metal parts of the module framework, which can be used to attach accessories to it.
  • connection kit on a Walt temporary shock attenuator, a special anti-tilting and line interruption box, a connection kit on the site portal / service access, one end lowered.
  • modules are particularly useful for the realization of temporary barriers, simply posed on the roadway, one can envisage an anchoring and / or a long-term, even permanent installation. It is thus possible to provide a module allowing the installation of anchoring piles, in particular for the treatment of the end modules of the barrier in final installation.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
EP19200921.5A 2018-10-02 2019-10-01 Metall-beton-hybrid-fahrspurtrennmodul, und herstellungsverfahren einer trennschranke Active EP3633106B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1859142A FR3086678B1 (fr) 2018-10-02 2018-10-02 Module hybride metal-beton separateur de voies de circulation et procede de realisation d'une barriere de separation

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Publication Number Publication Date
EP3633106A1 true EP3633106A1 (de) 2020-04-08
EP3633106B1 EP3633106B1 (de) 2021-06-09

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EP (1) EP3633106B1 (de)
FR (1) FR3086678B1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0997582A1 (de) 1998-10-28 2000-05-03 François-Xavier Pozin Leitplanken mit integrierten Verbindungsmitteln
EP1380696A1 (de) 2002-07-11 2004-01-14 Colas Modulare Ablenkeinrichtung und Verfahren zu dessen Errichtung
EP3029202A1 (de) 2014-12-02 2016-06-08 Aximum Modulare rückhaltevorrichtung aus metall für verkehrswege, modul und installationsverfahren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0997582A1 (de) 1998-10-28 2000-05-03 François-Xavier Pozin Leitplanken mit integrierten Verbindungsmitteln
EP1380696A1 (de) 2002-07-11 2004-01-14 Colas Modulare Ablenkeinrichtung und Verfahren zu dessen Errichtung
EP3029202A1 (de) 2014-12-02 2016-06-08 Aximum Modulare rückhaltevorrichtung aus metall für verkehrswege, modul und installationsverfahren

Also Published As

Publication number Publication date
FR3086678A1 (fr) 2020-04-03
FR3086678B1 (fr) 2022-06-03
EP3633106B1 (de) 2021-06-09

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