EP0669427B1 - Perfectionnements aux joints de chaussée - Google Patents

Perfectionnements aux joints de chaussée Download PDF

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Publication number
EP0669427B1
EP0669427B1 EP95400395A EP95400395A EP0669427B1 EP 0669427 B1 EP0669427 B1 EP 0669427B1 EP 95400395 A EP95400395 A EP 95400395A EP 95400395 A EP95400395 A EP 95400395A EP 0669427 B1 EP0669427 B1 EP 0669427B1
Authority
EP
European Patent Office
Prior art keywords
fixed
slab
slabs
teeth
rigid 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.)
Expired - Lifetime
Application number
EP95400395A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0669427A1 (fr
Inventor
Jacky Seantier
Philippe Salmon
Bernard Basile
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.)
Freyssinet International STUP SA
Original Assignee
Freyssinet International STUP 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 Freyssinet International STUP SA filed Critical Freyssinet International STUP SA
Publication of EP0669427A1 publication Critical patent/EP0669427A1/fr
Application granted granted Critical
Publication of EP0669427B1 publication Critical patent/EP0669427B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints
    • E01D19/065—Joints having sliding plates

Definitions

  • the invention relates to pavement joints, intended in particular to form expansion joints between the spans of a bridge.
  • the invention relates to a pavement joint for achieving rolling continuity between two slabs, namely a first and a second slab, which are separated by a slot and which support or form a pavement, these slabs being able to move the one with respect to the other at least along a main axis of movement while approaching or moving away from each other, the road joint comprising substantially horizontal rigid teeth which are directed parallel to the main axis displacement and which are mounted in console above the slot and are fixed at least to the first slab above the slot.
  • Pavement joints of this type are known, known as "comb” joints, which have interleaved teeth fixed respectively to one slab and to the other.
  • These known joints have the particular disadvantage of allowing a displacement amplitude, or breath, limited between the two slabs parallel to the main axis of displacement. Indeed, the teeth must always remain substantially nested one between the other to achieve good rolling continuity, so that the breath is limited to the console length of the teeth.
  • document FR-A-2 007 833 discloses a road joint similar to the above-mentioned "comb" joints, and further comprising a substantially horizontal rolling wall which covers the teeth and which has two longitudinal edges fixed respectively to the two tiles.
  • This pavement joint also has limited breath.
  • the object of the present invention is in particular to propose a pavement joint which avoids the abovementioned drawbacks and authorizes large breaths, ranging for example from 500 to 1,500 mm.
  • the slabs can deviate from each other to a point where a longitudinal void space is left between the teeth of one slab and the other slab, or between the teeth of the two slabs, without danger or discomfort for vehicles traveling on the road joint since the rigid plate covers this empty space.
  • the pavement joint according to the invention can tolerate a large breath with teeth whose length cantilevered above the slot is relatively small compared to the length of the teeth which would be necessary in a conventional "comb" joint, since the breath is here taken up not only by the length of the teeth, but also by the width of the rigid plate of the rolling wall.
  • the teeth can also be less resistant, therefore less bulky, less heavy and less expensive than in a conventional "comb" joint designed to take the same breath.
  • the joint according to the invention makes it possible to take up larger breaths than the known joints which comprise a rigid plate forming a bridge above the slot by pressing directly on the two slabs and, with equal breath, the joint according to the invention makes it possible to use a less wide rigid plate, therefore less resistant and consequently less thick, less heavy and less expensive.
  • the pavement joint according to the invention is intended to provide rolling continuity between two slabs 1, 2 which are separated by a slot 3 and support or constitute a pavement 4, these two slabs generally belonging to the deck of two spans of a bridge.
  • the two slabs 1, 2 can deviate from or approach each other along a main axis of movement X, substantially horizontal, which constitutes the longitudinal axis of the roadway.
  • the X axis is generally, but not exclusively, perpendicular to the slot 3.
  • the relative movement of the slabs along the X axis, called breath, is due mainly to thermal expansion and contraction of the material constituting the two slabs.
  • the two slabs 1, 2 can move relative to each other along a transverse axis Y, substantially horizontal and perpendicular to the axis X, generally parallel to the length of the slot 3.
  • the two slabs 1, 2 can move relative to each other in difference in level along a third axis Z perpendicular to the axes X and Y, therefore substantially vertical.
  • the relative displacements between the slabs 1 and 2 can take the form of rotations around the second Y axis.
  • each of the two slabs 1, 2 has a step, respectively 1 1 , 2 1 , located at a level below the level of the roadway 4.
  • each rail 5 On each of the steps 1 1 , 2 1 are fixed metal rails 5 which in the example shown have a section in I. Each rail 5 is mounted in a console, with a free end which extends above the slot 3 .
  • the free ends of the rails 5 which are fixed respectively to the two slabs are separated from each other by an empty space which extends parallel to the slit 3
  • the rails 5 fixed respectively to the two slabs are interposed with one another without lateral contact in the transverse direction Y.
  • each rail 5 partially covers the step of the slab to which this rail is not fixed. In this position, a vertical clearance remains between the lower face of the free end of the rail and the upper face of the step of the slab to which the rail is not fixed.
  • this vertical clearance is obtained by a slight downward slope 1 2 , 2 2 , formed between the rails 5 on the steps 1 1 , 2 1 , from the edge of these steps which is close to the slot 3.
  • the pavement joint comprises a rolling wall 6 which rests on the rails 5 and which extends the pavement 4 above the two steps 1 1 , 2 1 and of the slot 3.
  • This rolling wall 6 is constituted by a rigid plate 7 framed by two deformable plates 8.
  • the rigid plate 7 can be produced in particular in the form of a relatively thick steel sheet, and preferably covered with elastomer. This rigid plate 7 extends substantially horizontally, longitudinally parallel to the slot 3.
  • Each of the deformable plates 8 extends substantially horizontally, and has two longitudinal edges 8 1 , 8 2 fixed respectively to one of the longitudinal edges 7 1 , 7 2 of the rigid plate and to one of the two slabs 1, 2 , on an edge 1 3 , 2 3 , of the step of this slab.
  • the two deformable plates 8 are formed of elastomer, and they comprise thick zones 8 3 , 8 4 , reinforced by rigid metallic inserts and separated by bellows 8 5 of thinner thickness.
  • the deformable plates 8 can deform elastically in the direction of the axis X. During these deformations, the rigid plate 7 is kept centered relative to the slot 3 thanks to the elastic forces exerted on said plate rigid by the bellows 8 5 of the two deformable plates 8.
  • the thick parts 8 3 of the deformable plates 8 extend longitudinally along the axis Y and are continuous at least over a certain length.
  • the thick parts 8 3 have relatively wide polygonal studs in the direction X, and preferably quite elongated in the direction Y, these studs being here connected together in the direction X by zones of the thick parts 8 3 which are narrower in the Y direction.
  • the polygonal studs provide a good rolling surface and reinforce the flexural strength of the plates 8 between the rails 5, because they include inserts made of rigid metal sheet.
  • the thick parts 8 4 are relatively narrow in the direction X and extend in the direction Y according to broken lines which are continuous at least over a certain length.
  • the thick parts 8 4 are arranged on either side of the thick parts 8 3 following the outline of said thick parts 8 3 .
  • the bellows 8 5 separate said thick parts 8 3 and 8 4 : these bellows consequently extend in the direction Y by following broken lines which in places are not perpendicular to the axis X, hence greater rigidity of the deformable plates 8 vis-à-vis elastic deformations along the X axis.
  • hooking devices 9, fixed under the rolling wall 6, are slidably mounted on the rails 5.
  • hooking devices 9 are fixed below the polygonal studs of the thick parts 8 3 of the plate deformable corresponding to said slab, and each rail 5 further comprises a hooking device 9 which is fixed under the rigid plate 7, in the vicinity of the lateral edge 7 1 , 7 2 of said rigid plate which is located on the side of said slab .
  • the hooking devices 9 keep the rolling wall 6 at a certain distance above the rails 5, so that there is no interference between the rails 5 and the rolling wall 6 when the slabs 1 and 2 undergo relative displacement in elevation or when said slabs undergo rotation around the Y axis, in particular if said slabs 1 and 2 are brought as close as possible to each other.
  • the hooking devices 9 which are fixed under the rigid plate 7 are connected to this rigid plate by a fixing 16 which allows a certain relative pivoting between the rigid plate and the devices attachment, around the Y axis.
  • This attachment 16 can be of any known type: it can for example consist of a connection of pivot type or ball type.
  • FIGS. 3 and 4 A particularly advantageous embodiment of the attachment devices 9 is shown in FIGS. 3 and 4.
  • the attachment devices each consist of a shoe 12 which is fixed under the rolling wall 6 and a flange 13 which slides along the rail 5.
  • the shoe 12 can be fixed under the polygonal studs of the thick parts 8 3 of the deformable plates by a rigid connection, for example by means of screws, and it can be fixed under the rigid plate 7 by means of the abovementioned pivot or ball joint .
  • the shoe 12 is slidably mounted on the flange 13 parallel to the axis Y. However, the shoe 12 is immobilized relative to the flange 13 in directions X and Z.
  • flanks of the flange 13 comprise in the upper part a cutout 17 for guiding which receives the shoe 12 by allowing this shoe to slide along the Y axis and immobilizing said shoe relative to the flange along the X axis. .
  • the pad 12 has two ribs 19 which extend longitudinally along the axis Y and which are covered by lugs 18 of the flange 13 to immobilize the pad along the axis Z.
  • the dimension of the pad 12 along the Y axis is greater than the width of the flange 13 along the same Y axis, so that the pad 12 does not risk escaping from the flange 13 during the sliding of the pad on the flange.
  • the underside of the pad 12 is integral with a layer of elastomer 14, which is vulcanized on said pad and which slides on the upper wing 5 1 of the rail.
  • the flange 13 has two flaps 13 1 which are arranged under the upper wing 5 1 of the rail, a shim 15 made of an elastic synthetic material such as foam. polyurethane being interposed and compressed between the upper wing 5 1 of the rail and each flap 13 1 of the flange.
  • the upper wing 5 1 of the rail is tightened elastically between the shoe 12 and the flap 13 1 of the flange with the interposition of the layer 14 of elastomer and shims 15 made of polyurethane foam between the rail on the one hand, the pad and the flange on the other hand, so that the hooking device 9 slides on the rail 5 with precision and without play likely to generate noise or vibration, even as and when wear of the elastomer layer 14.
  • the shims 15 are held in the flange 13 by means of the tongues 13 2 of said flange. It goes without saying that other retention means can possibly be used to retain the shims 15 in the flange 13.
  • the pavement joint according to the invention further comprises means for limiting the deformation of the deformable plates 8.
  • these means are in the form of retention plates 11, which are interposed between the pads 12 and the underside of the polygonal studs of the thick parts 8 3 , and which are integral with these pads 12 and these polygonal studs.
  • the retention plates 11 extend along the axis X as far as the thick parts 8 4 adjacent to the studs under which they are fixed. Under these adjacent thick portions 8 4 , the plates 11 include slots 11 2 through which lugs 20, integral with said thick portions 8 4 , extend vertically downwards.
  • half retention plates 11 1 are fixed under the thick parts 8 3 which form the longitudinal edges 8 1 and 8 2 of the deformable plates 8. These retention half plates 11 1 extend along the axis. X as far as the thick parts 8 4 adjacent to the longitudinal edges of the deformable plates 8, these thick parts 8 4 comprising, as before, lugs 20 which extend vertically downwards through slots 11 2 of the half-retention plates 11 1 .
  • the pins 20 may have horizontal tabs 21 which extend under the plates 11 and 11 1 , so as to avoid the lifting of the thick parts 8 4 .
  • retention plates 11 and 11 1 also have the function of supporting the thick parts 8 4 .
  • stops 10 are provided at the free end of the rails 5, so as to guarantee that the hooking devices 9 which support the rigid plate 7 cannot escape to the rails towards the slot 3.
  • the pavement joint described above allows significant breaths, as well as relative transverse displacements, in difference in level and in rotation around the Y axis, of the slabs 1, 2.
  • only one of the two slabs could comprise a step 1 1 and rails 5 covered by a deformable plate 8.
  • edge 7 2 of the rigid plate 7 would then be fixed directly to slab 2, for example by a pivot or ball joint connection, and said slab 2 would have, on its face opposite slab 1, recesses suitable for receiving with free transverse and vertical play the free ends of the rails 5, when the tiles are brought together as much as possible.

Landscapes

  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Optical Communication System (AREA)
  • Semiconductor Lasers (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Joints Allowing Movement (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Building Environments (AREA)
  • Road Repair (AREA)
  • Polyesters Or Polycarbonates (AREA)
EP95400395A 1994-02-28 1995-02-24 Perfectionnements aux joints de chaussée Expired - Lifetime EP0669427B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9402278A FR2716687B1 (fr) 1994-02-28 1994-02-28 Perfectionnements aux joints de chaussée.
FR9402278 1994-02-28

Publications (2)

Publication Number Publication Date
EP0669427A1 EP0669427A1 (fr) 1995-08-30
EP0669427B1 true EP0669427B1 (fr) 1997-07-02

Family

ID=9460501

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95400395A Expired - Lifetime EP0669427B1 (fr) 1994-02-28 1995-02-24 Perfectionnements aux joints de chaussée

Country Status (9)

Country Link
EP (1) EP0669427B1 (da)
JP (1) JP3449661B2 (da)
AT (1) ATE154959T1 (da)
DE (1) DE69500386T2 (da)
DK (1) DK0669427T3 (da)
ES (1) ES2106621T3 (da)
FR (1) FR2716687B1 (da)
GR (1) GR3024328T3 (da)
IL (1) IL112821A (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110241719A (zh) * 2019-07-25 2019-09-17 郑州东辰科技有限公司 一种梳齿式伸缩装置及伸缩构件
DE102020201076B3 (de) * 2020-01-29 2021-05-20 Maurer Engineering Gmbh Übergangskonstruktion zur Überbrückung einer Bauwerksfuge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363522A (en) * 1965-11-01 1968-01-16 Gen Tire & Rubber Co Expansion joint
DE1759470B1 (de) * 1968-05-04 1971-10-07 Gutehoffnungshuette Sterkrade UEberbrueckungsvorrichtung fuer Dehnungsfugen in Bruecken oder dergleichen Tragwerken
FR2573456B1 (fr) * 1984-11-20 1987-01-30 Freyssinet Int Stup Joints de chaussee
ATE87685T1 (de) * 1989-02-06 1993-04-15 Robert Warthmann Rollverschluss-fahrbahnuebergang, insbesondere fuer dilatationsfugen von bruecken.

Also Published As

Publication number Publication date
DE69500386D1 (de) 1997-08-07
IL112821A0 (en) 1995-05-26
GR3024328T3 (en) 1997-10-31
JPH07286305A (ja) 1995-10-31
DE69500386T2 (de) 1998-01-22
JP3449661B2 (ja) 2003-09-22
EP0669427A1 (fr) 1995-08-30
IL112821A (en) 1998-01-04
DK0669427T3 (da) 1997-12-29
FR2716687B1 (fr) 1996-04-26
ES2106621T3 (es) 1997-11-01
FR2716687A1 (fr) 1995-09-01
ATE154959T1 (de) 1997-07-15

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