EP1495189B1 - Bauwerksfuge - Google Patents

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Publication number
EP1495189B1
EP1495189B1 EP03727607A EP03727607A EP1495189B1 EP 1495189 B1 EP1495189 B1 EP 1495189B1 EP 03727607 A EP03727607 A EP 03727607A EP 03727607 A EP03727607 A EP 03727607A EP 1495189 B1 EP1495189 B1 EP 1495189B1
Authority
EP
European Patent Office
Prior art keywords
joint
profiled section
construction elements
bearing
profile
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
EP03727607A
Other languages
English (en)
French (fr)
Other versions
EP1495189A1 (de
Inventor
Guillaume Bernard
Philippe Salmon
Jérôme Stubler
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.)
Soletanche Freyssinet SA
Original Assignee
Freyssinet SAS
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 SAS filed Critical Freyssinet SAS
Publication of EP1495189A1 publication Critical patent/EP1495189A1/de
Application granted granted Critical
Publication of EP1495189B1 publication Critical patent/EP1495189B1/de
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

Definitions

  • the present invention relates to seals used to connect construction elements that can move relative to one another and to support external loads (see for example US-A-4,781,489 ).
  • a typical, although non-exclusive, example of such joints relates to road joints.
  • the role of a road joint is to ensure the continuity of the running surface, by filling the gap or hiatus that can separate works of art on which the roadway is built and by allowing a relative movement between the elements, due to dynamic loads and / or thermal deformations.
  • road joints Another requirement generally imposed on road joints is that they are sufficiently sealed to prevent infiltration between the elements of the liquids likely to spread on the road (rainwater, oils, de-icing salts ). The road joints must also collect these liquids to prevent their accumulation at least on the practicable part of the roadway.
  • road joints must have good resistance to abrasion caused by the repeated passage of vehicles on the roadway. They must have a significant resistance to ozone because they are constantly outside and therefore in contact with the surrounding gas, and good resistance to radiation including ultraviolet. They must provide sufficient mechanical strength to withstand the operating loads, ie the weight of the vehicles as well as the dynamic forces that result from their movement. They still have to offer temperature-stable characteristics in the usual range of outdoor temperatures (typically -30 to +40 degrees Celsius). Finally, road joints must have the lowest possible implementation cost in a very competitive market.
  • joints currently exist in materials whose properties more or less meet the aforementioned requirements.
  • joints are used whose deformable part is made of elastomer, especially rubber.
  • seals having a bellows in elastomer that is engaged on both sides of the hiatus in two aluminum profiles, each resting on a piece of art structure supporting the roadway (see for example FR-A-2,758,348 ).
  • the bellows is suspended above the hiatus, without direct contact with the elements.
  • the aluminum profiles are fixed to the structural elements by means of screws and dowels, for example. Steel protective plates screwed onto the mounting profiles can cover the bellows.
  • Another known seal is a prefabricated elastomer seal encasing cast iron inserts.
  • the inserts are thus protected against corrosion by the elastomeric material which coats them.
  • this coating is quite complicated to produce industrially.
  • Such a seal further comprises a thinned portion of elastomer integral with the coating of the inserts and suspended above the hiatus. This thin portion may be for example in the form of concave bellows.
  • the seal is attached to the building elements by means of screws passing through the metal inserts. This type of seal is generally molded on lengths of the order of one meter.
  • An object of the present invention is to provide construction joints, including road joints, which are of a low manufacturing cost and very easy to install.
  • the invention thus proposes a construction joint to be interposed between two adjacent building elements, comprising a one-piece profile of thermoplastic material having two bearing portions on the two construction elements, respectively, arranged to support external loads exerted occasionally on the construction elements, and a deformable portion extending between the two support portions to allow relative movement between the two building elements.
  • thermoplastics respond well to various requirements imposed by the functions of construction joints, in particular in terms of elasticity, sealing and resistance to operating loads.
  • the realization of the seal consisting essentially of a monobloc profile, allows it to have a low manufacturing cost.
  • the seal is furthermore of a very simple implementation, which represents an important advantage.
  • the profile may have a length equal to the width of the building elements, for example the width of the roadway. It can also be shorter, to facilitate its transport, several sections being welded end to end on the site. Welding is facilitated by the use of a thermoplastic material.
  • the figure 1 presents an embodiment of the invention. It shows a road joint 1 straddling two adjacent building elements 5 consisting for example of concrete slabs or bridge deck segments.
  • a roadway 6 is arranged on the upper surface of the building elements 5.
  • the elements 5 being distinct, the roadway 6 would have a discontinuity in the absence of the road joint 1.
  • the road joint 1 ensures continuity of the roadway by connecting building elements 5.
  • the edges of the elements 5 receiving the seal 1 are likely to undergo movement relative to each other, especially when vehicles are traveling on the roadway 6 or because of thermal expansion of the elements.
  • the road joint 1 absorbs any deformations resulting from such movements.
  • the road joint shown on the figure 1 essentially consists of a single piece profile 1 made of a thermoplastic material.
  • Thermoplastics are an important class of synthetic materials. They are derived from linear or slightly branched polymers. One of the characteristics of thermoplastics is that they soften under the action of heat and solidify by cooling in a new shape, which allows easy welding by local heating.
  • Thermoplastics also have, in general, properties, which make them particularly suitable for meeting the requirements of a road joint, as described above. In particular, they have sufficient elasticity to allow significant deformation, as well as a seal against liquids, and good mechanical strength to withstand operating loads such as vehicle weight support and dynamic effects that their movements engender.
  • a road joint thus disposed on construction elements allows the support of the operating loads imposed on the roadway 6 by vehicles that pass or stay on the joint, and absorbs without great risk of rupture of the movements of the elements 5 one compared to each other.
  • the thermoplastic material used for the profile 1 of the road joint is a polyolefin.
  • the polyolefins consist of polymers and copolymers of ethylene, propylene and heavier ethylenic hydrocarbons. In addition, they possess many of the characteristics required for a road joint.
  • the profile 1 can be made of high density polyethylene (HDPE) or polypropylene (PP). It can also be made of any other thermoplastic material, or a combination of polyolefin materials.
  • thermoplastic profile can be extruded according to a conventional method. This profile can be produced so that its length covers the entire width of a roadway (of the order of 7 meters for a roadway comprising two traffic lanes).
  • the one-piece profile 1 comprises two bearing portions 2. These bearing portions rest directly on the construction elements 5 and are in contact on their sides with the roadway 6 as shown in FIG. figure 1 . These bearing portions 2, whose upper face 8 extends in the continuity of the running surface of the roadway 6, are subjected to the loads received by this roadway.
  • the thermoplastic material gives them resistance to these loads, such as the weight of vehicles traveling on the road or the dynamic forces that these vehicles generate.
  • the support portions 2 comprise longitudinal recesses 12, 13 such as those shown in the drawings. Figures 3 and 4 . These recesses allow to limit the amount of thermoplastic material of the seal and therefore their cost. They also reduce the cooling times of the thermoplastic material after extrusion of the profile.
  • the figure 1 also shows a thinner portion 3 of the profile 1 of the road joint. This makes the junction between the two support portions 2. Due to its thinned shape, and the thermoplastic material that composes it, this thinner portion 3 has good deformability when relative movements occur between the elements 5 The elasticity properties of the aforementioned thermoplastic materials also allow this deformation.
  • the thin portion 3 of the roadway joint 1 has a thickness of less than 10 mm.
  • the thin portion 3 is in the form of a concave bellows. This configuration is advantageous in that the thin portion 3 is set back from the roadway 6 which prevents it from being too directly in contact with vehicles on the road, and therefore, to undergo too much abrasion. Furthermore, such a concave structure forms a channel for collecting liquid spreading on the roadway 6 such as runoff water may cause with them oils or deicing salts, which the thermoplastic material is also resistant. This channel discharges the water towards the shoulder of the roadway.
  • the thin portion 3 is in the form of a bi-convex bellow, which improves its robustness and makes it possible to form a double sealing barrier.
  • thermoplastic profile 1 shown in the drawings further comprises longitudinal grooves 7 formed on the upper face 8 of each of the two bearing portions 2. These grooves can extend over the entire length of the profile 1. Advantageously, they are obtained by the shape of the extrusion die of the profile 1.
  • the grooves 7 are intended to receive holding bars 4 which fit together over their entire length.
  • the figure 2 gives a schematic representation in perspective of the road joint of the figure 1 .
  • the holding bars 4 have been placed in the grooves 7 on each of the bearing portions 2 of the thermoplastic profile 1.
  • Their outer profile is adapted to the shape of the grooves 7.
  • These holding bars 4 are aligned. with the profile, and their upper face is flush with the upper face 8 of the bearing portions 2, that is to say the running surface of the roadway 6.
  • the support bars 4 are preferably made of metal, in particular aluminum or Stainless steel. They can extend in one piece over the entire length of the joint. It is also possible to have several successive bars along the length of the joint.
  • the bars 4 serve to maintain the thermoplastic profile in contact with the elements 5 supporting the roadway 6. They have holes 9 distributed along their length, through which are passed fasteners such as screws 10. These pass through the bar 4 and the support portion 2 of the profile to anchor them on the underlying building element. As shown on the figure 2 these bores 9 are advantageously oblong, which gives a certain latitude on the position of the fasteners 10 along the profile, in the case where one would abut against rebars concrete when pierce the element 5 to put in place the anchor pins.
  • the support bars 4 prevent the support portions 2 of the profile from tending to wobble between the fixing screws 10.
  • the holding bars 4 and their fixing mechanism, through the thermoplastic profile, in the structural elements 5, also make it possible to avoid a deformation of the thermoplastic material of the profile 1, which could otherwise appear in the case of dilation for example.

Landscapes

  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Sampling And Sample Adjustment (AREA)
  • External Artificial Organs (AREA)
  • Finger-Pressure Massage (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cold Cathode And The Manufacture (AREA)

Claims (13)

  1. Zwischen zwei benachbarten Konstruktionselementen (5) anzuordnende Konstruktionsfuge,
    die ein einstückiges Profil (1) aus thermoplastischem Material einschließt, welches zwei Abschnitte (2) zur jeweiligen Anlage an den beiden Konstruktionselementen aufweist, die dazu angeordnet sind, auf die Konstruktionselemente gelegentlich ausgeübte, äußerliche Belastungen aufzunehmen, sowie einen verformbaren Abschnitt (3), der sich zwischen den beiden Anlageelementen erstreckt, um zwischen den beiden Konstruktionselementen eine Relativbewegung zuzulassen,
    wobei jeder Anlageabschnitt (2) des Profils (1) eine obere Fläche (8) aufweist, die dazu vorgesehen ist, sich in der Kontinuität einer Lauffläche der Konstruktionselemente (5) zu erstrecken,
    dadurch gekennzeichnet, dass die obere Fläche (8) jedes Anlageabschnitts (2) eine in Längsrichtung verlaufende Vertiefung (7) aufweist, wobei die Fuge ferner steife Halterungsstege (4) einschließt, die in den Vertiefungen der Anlageabschnitte angeordnet sind, sowie Befestigungsorgane (10), um die Stege und die Anlageabschnitte an den Konstruktionselementen (5) zu verankern.
  2. Fuge gemäß Anspruch 1, bei welcher die Halterungsstege (4) Langlöcher (9) aufweisen, um die Befestigungsorgane (10) aufzunehmen.
  3. Fuge gemäß Anspruch 1 oder 2, bei welcher die Halterungsstege (4) metallisch sind, insbesondere aus Aluminium oder aus rostfreiem Stahl.
  4. Fuge gemäß einem der Ansprüche 1 bis 3, bei welcher jeder Anlageabschnitt (2) des Profils (1) einen sich über im Wesentlichen die ganze Länge der Fuge erstreckenden Halterungssteg (4) aufnimmt.
  5. Fuge gemäß einem der Ansprüche 1 bis 3, bei welcher jeder Anlageabschnitt (2) des Profils (1) über die Länge der Fuge mehrere, aufeinanderfolgende Halterungsstege (4) aufnimmt.
  6. Fuge gemäß einem der vorstehenden Ansprüche, bei welcher das thermoplastische Material des Profils (1) ein Polyolefin einschließt, wie beispielsweise ein hochdichtes Polyethylen oder ein Polypropylen.
  7. Fuge gemäß einem der vorstehenden Ansprüche, bei welcher das Profil (1) extrudiert ist.
  8. Fuge gemäß einem der vorstehenden Ansprüche, bei welcher der verformbare Abschnitt (3) des Profils (1) wenigstens eine Rigole zum Sammeln von Rinnflüssigkeiten auf der Fläche der Konstruktionselemente (5) bildet.
  9. Fuge gemäß Anspruch 8, bei welcher der verformbare Abschnitt (3) des Profils (1) die Form eines konkaven Balgs besitzt.
  10. Fuge gemäß einem der vorstehenden Ansprüche, bei welcher der verformbare Abschnitt (3) des Profils (1) eine wesentlich geringere Dicke als die Anlageabschnitte aufweist.
  11. Fuge gemäß Anspruch 10, bei welcher der verformbare Abschnitt des Profils eine Dicke von weniger als 10 Millimetern aufweist.
  12. Fuge gemäß Anspruch 8, bei welcher der verformbare Abschnitt (3) des Profils (1) die Form eines bikonvexen Balgs besitzt.
  13. Fuge gemäß einem der vorstehenden Ansprüche, bei welcher jeder Anlageabschnitt (2) des einstückigen Profils wenigstens eine in Längsrichtung verlaufende Ausnehmung (12, 13) aufweist.
EP03727607A 2002-04-12 2003-03-21 Bauwerksfuge Expired - Lifetime EP1495189B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0204639A FR2838465B1 (fr) 2002-04-12 2002-04-12 Joint de construction
FR0204639 2002-04-12
PCT/FR2003/000910 WO2003087479A1 (fr) 2002-04-12 2003-03-21 Joint de construction

Publications (2)

Publication Number Publication Date
EP1495189A1 EP1495189A1 (de) 2005-01-12
EP1495189B1 true EP1495189B1 (de) 2009-06-24

Family

ID=28459807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03727607A Expired - Lifetime EP1495189B1 (de) 2002-04-12 2003-03-21 Bauwerksfuge

Country Status (11)

Country Link
EP (1) EP1495189B1 (de)
JP (1) JP4121965B2 (de)
KR (1) KR100962703B1 (de)
AT (1) ATE434686T1 (de)
AU (1) AU2003233847B2 (de)
DE (1) DE60328091D1 (de)
DK (1) DK1495189T5 (de)
ES (1) ES2328918T3 (de)
FR (1) FR2838465B1 (de)
PT (1) PT1495189E (de)
WO (1) WO2003087479A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050066600A1 (en) * 2003-09-25 2005-03-31 Paul Moulton Expansion joint system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3508010C3 (de) * 1985-03-06 1993-11-18 Maurer Friedrich Soehne Anordnung zur Überbrückung einer Dehnungsfuge in einer Fahrbahn
CA2015289C (en) * 1990-04-24 1995-02-14 Konrad Baerveldt Extruded thermoplastic elastomer expansion joint
CA2091948C (en) * 1993-03-18 1996-04-09 Konrad Baerveldt Joint seal retaining element

Also Published As

Publication number Publication date
WO2003087479A1 (fr) 2003-10-23
ES2328918T3 (es) 2009-11-19
FR2838465A1 (fr) 2003-10-17
AU2003233847A1 (en) 2003-10-27
DE60328091D1 (de) 2009-08-06
DK1495189T5 (da) 2014-02-03
FR2838465B1 (fr) 2004-10-01
AU2003233847B2 (en) 2008-10-30
PT1495189E (pt) 2009-09-23
ATE434686T1 (de) 2009-07-15
KR100962703B1 (ko) 2010-06-11
DK1495189T3 (da) 2009-11-02
EP1495189A1 (de) 2005-01-12
KR20040101989A (ko) 2004-12-03
JP4121965B2 (ja) 2008-07-23
JP2005522604A (ja) 2005-07-28

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