EP0512460A1 - Dispositif de recouvrement de joint de dilatation isolant acoustiquement - Google Patents

Dispositif de recouvrement de joint de dilatation isolant acoustiquement Download PDF

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Publication number
EP0512460A1
EP0512460A1 EP92107513A EP92107513A EP0512460A1 EP 0512460 A1 EP0512460 A1 EP 0512460A1 EP 92107513 A EP92107513 A EP 92107513A EP 92107513 A EP92107513 A EP 92107513A EP 0512460 A1 EP0512460 A1 EP 0512460A1
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EP
European Patent Office
Prior art keywords
profiles
sound
channels according
joint
casting compound
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
EP92107513A
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German (de)
English (en)
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EP0512460B1 (fr
Inventor
Robert Dr. Erlmeier
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CHEMWELL CHEMIE GmbH
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CHEMWELL CHEMIE GmbH
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Publication of EP0512460A1 publication Critical patent/EP0512460A1/fr
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Publication of EP0512460B1 publication Critical patent/EP0512460B1/fr
Anticipated expiration legal-status Critical
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    • 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
    • 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
    • E01D19/067—Flat continuous joints cast in situ

Definitions

  • most bridging structures consist of two metallic edge profiles running transversely to the longitudinal direction of the carriageway and, if necessary, any number of intermediate, parallel metallic middle profiles, the gap formed by the edge profiles or by an edge profile and a middle profile using a below the upper edge of the stretch strip arranged from elastically flexible material is sealed, so that such bridging structures have at least one channel which is open at the top and runs transversely to the longitudinal direction of the roadway and is delimited laterally by the vertical surfaces of the metallic profiles and below by the stretch strip made of elastically flexible material.
  • This joint which is referred to below as the joint channel and is open at the top, can have different cross sections depending on the shape of the lateral profiles and the stretching strip.
  • the stretch marks in practice have in the vast majority of cases approximately V-shaped cross sections (DE-PS 28 08 386, DE-AS 29 52 613, DE-OS 30 47 904, DE-PS 31 16 429, DE -PS 32 28 315, DE-OS 38 02 217 or DE-OS 38 11 219), most joint channels have more or less irregular pentagonal cross-sections, even if the stretch marks are more complicated (DE-OS 18 00 775, DE-GM G 81 32 558.4).
  • this open joint channel is the main cause of the sound emission of bridging structures for expansion joints, whereby it is known that the sound emission also occurs with metal profiles of absolutely the same height and is not significantly reduced by coating the horizontal surfaces of the metal profiles alone. It is also known that the type of anchoring of the metallic edge profiles in the expansion joint edges has no significant influence on the noise emission.
  • stepless bridging devices in the form of road-level sealing bodies according to DE-PS 28 34 361, DE-PS 35 08 010, DE-PS 36 22 253, US-PS 4,007,994 etc. do not lead to a reduction in noise emission, while covers made of rigid materials according to DE -PS 30 15 011, DE-PS 38 11 082, DE-PS 38 26 514 etc. often even have the opposite effect.
  • Bituminous grouts bridging the joint channel tear during the function-related movement of the expansion joint and gradually break out. Overlapping glued rubber sheets come loose due to adhesive technology or as a result of secondary effects such as damage caused by snow plows and the effects of road salt. Polyurethane foams are not stable enough, while silicone and polysulfide sealants either have too little adhesion or too little resilience, so that they tear off the vertical flanks of the profiles when the expansion joint is expanded, and irregularly when the expansion joint is narrowed due to their insufficient compressibility be unfolded.
  • the joint channel is filled with a resilient elastomer system in such a way that the function-related volume change of the joint channel is largely compensated for, so that the tensile and compressive forces at the interfaces between the metallic profiles and the resilient elastomer system filling the joint channel are limited and there are no deformations causing noise emissions on the road surface.
  • Joint channel fillings using expansion joint seals made of cellular rubber with a round or semicircular cross-section such as those used in the form of closed-cell polyethylenes according to the prior art in civil engineering for backfilling joints behind joint fillers, have proven unsuitable for these purposes.
  • the compressibility of such cellular rubber cords is too low to approximately compensate for the volume changes in the joint channel as part of a permanently elastic joint filling, so that forces arise on the surface of these full profiles so high that the adhesion is not sufficient to permanently bond with a permanently elastic substrate to maintain.
  • the cavity-forming structural foam profiles are pre-stressed in the middle position of the joint channels so that their inner horizontal diameter is reduced in a way corresponding to this middle position, then the volume changes due to the widening or narrowing of the joint channel are compensated for to the extent that the profile and gap change are properly coordinated so that the deformations of the permanently elastic casting compound lying above are so small that there is no longer any disruptive noise emission.
  • the bond between the resilient elastomer system and the adjacent metallic profiles must be maintained for a period of time that is usual for wearing parts in road construction despite the alternating stress due to the frequent rolling over with different wheel loads.
  • the resilient elastomer system is constructed in mirror image to the vertical axis in order to ensure a symmetrical introduction of force
  • the resilient elastomer system is designed such that the permanently elastic casting compound at least partially the adjacent, horizontal surfaces of the metallic profiles covered to reduce the mechanical stress on the elastomer system in the area of the profile leading edges, the elastic encapsulation occasionally being reinforced in a manner covering the profile leading edges, by means of inserts made of metal, plastic, glass, etc. in the form of mats, rovings or fabric.
  • the subject of the present invention is a sound-absorbing filling of the joint channels of bridging structures for expansion joints, in which the of the metallic edge profiles (1) or of an edge profile and a metallic middle profile (2) or two metallic middle profiles (2) and an expansion strip (3 ) formed from resiliently elastic material, upwardly open joint channel (4) is completely or partially filled with a resilient elastomer system, characterized in that this elastomer system consists of a permanently elastic casting compound (5) into which one or more, at least in the longitudinal direction of the channel, run an opening to the environment, having cavity-forming structural foam profiles (6) are embedded in such a way that the sealing compound extends at least partially over the adjacent upper sides (7) of the metallic profiles.
  • Cavity-forming structural foam profiles in the sense of the present invention consist of natural rubber, ethylene-propylene rubber, acrylonitrile rubber, chloroprene, silicone or their copolymers, as are commercially available under the generic term "cellular rubber” in the form of cellular rubber, cellular polyethylene, etc.
  • the foam cavity profiles according to the invention can have any cross-sections depending on the respective cross-section of the joint channel, but preferably have such a cross-section that their upper side rises at least in regions when the expansion joint widens and lowers when the expansion joint narrows, i.e. the shape change of the cavity profile takes place in such a way that the Volume change in the joint channel above, filled with potting compound, is essentially compensated for.
  • the foam cavity profiles particularly preferably have a cross section according to FIG. 1 or 2 with a concave (9) or polyconcave (10) top side and a convex (11) top biconcave (12) bottom side or are bundles of individual foam rubber tubes with a round or polygonal cross section, preferably different Diameter and different wall thickness, provided.
  • the cavity forming Structural foam profiles or structural foam profile systems can be fixed to one another with adhesives and, if necessary, to theirs. Surface be provided with an adhesion promoter to ensure optimal adhesion between these profiles and the permanently elastic casting compound surrounding them.
  • the hollow foam profiles preferably have open ends at both ends, as are produced by cutting.
  • the resilient elastomer system can cover a portion of the adjacent concrete or polymer concrete (13) or the adjacent black ceiling, in addition to the horizontal surfaces of the metallic profiles, in order to seal vertical joints (14) underneath.
  • the permanently elastic casting compound must therefore also have good adhesion to polymer concrete and bituminous building materials used in road and bridge construction, as well as to the corrosion protection coatings based on zinc dust that may be present on steel profiles.
  • the permanently elastic casting compounds for the purposes of the present invention can consist of plasticizer-free cold or heat-curing 2-component epoxy systems, 2-component polyurethane systems or 2-component epoxy / polyurethane systems based on amino- and / or polyaminoamide-functional hardeners , which contain liquid blocked isocyanate prepolymers and / or liquid elastomer-modified epoxies in the resin component, and in some cases liquid animation-functional rubbers in the hardener component.
  • These polymer systems can also contain prior art accelerators, in particular mercapto-functional accelerators.
  • elastomer-modified epoxides are liquid epoxides with an average functionality of at least two and an elastomer content of 10-50% by mass, preferably 20-40% by mass.
  • the epoxy groups can be arranged terminally and / or in the side chain of the molecule.
  • the elastomeric structural part of these flexible epoxies consists of polyenes, diene copolymers and polyurethanes, preferably of polybutadiene, butadiene-styrene or butadiene-acrylonitrile copolymers.
  • Amino-functional rubbers are liquid polyenes or diene copolymers with at least 2 primary or secondary amino groups in the middle molecule, preferably amino-functional polybutadienes, butadiene-styrene or butadiene-acrylonitrile copolymers.
  • the amino groups can be arranged terminally and / or in the side chain of the molecule.
  • the content of such amino-functional rubbers in the permanently elastic casting compounds according to the invention is limited to a maximum of 20% by mass.
  • Mercapto-functional accelerators are preferably to be understood as meaning aliphatic polymercaptans containing hydroxyl groups and having a functionality of at least 3, as are commercially available, for example, under the names Capcure and Umbrelink.
  • concentration of such mercapto-functional accelerators in the permanently elastic casting compound according to the invention is a maximum of 20% by mass and is not considered in the stoichiometric calculation of the resin / hardener system. Larger accelerator concentrations lead to a disproportionate decrease in the mechanical properties of the permanently elastic casting compared to the associated increase in elasticity. If the resin component contains blocked isocyanate prepolymers in addition to elasticized epoxides, the content of polymercaptan resins in the permanently elastic casting compound is limited to 10% by weight.
  • the permanently elastic casting compound can contain adjusting agents in an amount of at most 5 parts based on 100 parts of resin plus hardener, preferably in an amount of 1 to 3 parts, so that it does not run off when it is introduced because of the gradient usually present in the longitudinal direction of the joint.
  • Fibrous products with a fiber length of 1 - 10 mm are used as adjusting agents, in the form of mineral, plastic or metal fibers, possibly in connection with prior art thixotropic agents.
  • a metallic edge profile 1 is arranged, embedded in polymer concrete, from below and from the side facing the road surface 22 and from approximately half of its top side.
  • a metallic middle profile 2 is shown on the right in FIG. Not shown is the support of the underside of the carriageway support structure 20 and the underside of the central profile 2 on slide or roller bearings.
  • a stretching strip 3 made of a resiliently elastic material, preferably a rubber material, is included its thickened longitudinal edges threaded into corresponding, undercut recesses in the edge profile 1 and in the middle profile 2.
  • the stretch mark 3 has an essentially V-shaped, rounded downward configuration.
  • a hollow profile 6 with a prestress between the edge profile 1 and the central profile 2 is installed above the expansion strip 3 in the joint channel 4.
  • the hollow profile 6 has essentially a pentagonal shape symmetrical to the vertical central plane, two corners abutting the edge profile 1 or the central profile 2, the lower, central "corner” is rounded, the two upper corners are spaced a bit laterally from the edge profile 1 or the central profile 2, and the area between these two corners of the top of the cavity profile 6 is slightly concave concave.
  • the areas adjoining the two lateral corners downward are in each case in one piece against the stretch marks 3.
  • a permanently elastic potting compound 5 is from above in the space above the hollow profile 6 and reaching down between the hollow profile 6 and the edge profile 1 or the central profile 2 to the two lateral corners of the hollow profile 6 and covering about half of the edge profile 1 and Introduced or applied top of the middle profile 2.
  • an interlining in the sealing compound 5 is designated. It goes without saying that the top of the sealing compound 5 is at least substantially flush with the top of the polymer concrete adjoining on the left in FIG. 1 and with the top of the pavement.
  • the interface between the sealing compound 5 and the polymer concrete 13 is inclined in the manner shown in FIG. 1.
  • the hollow profile 6 in FIG. 1 is compressed more from the left and right; the concave top 9 of the hollow profile 6 bulges more downward.
  • the space filled with the sealing compound 5 above the upper side 9 of the hollow profile 6 increases in height, in particular in the central region, so that additional volume is created for accommodating the sealing compound 5 pushed together from the sides.
  • the embodiment according to FIG. 2 differs from the embodiment according to FIG. 1 primarily by the shape of the expansion strip 3 and the shape of the hollow profile 6.
  • the expansion strip 3 has a more pronounced V-shaped shape with a lower, horizontal straightening and slightly inward domed, double-sided main areas. In the case of the hollow profile 6, the lower corner is guided further down and is no longer rounded.
  • the top of the hollow profile 6 has two concave areas next to each other.
  • sealing compound 5 is guided beyond the edge profile 1 to approximately the middle of the top of the polymer concrete 13.
  • the embodiment according to FIG. 3 differs from the embodiment according to FIG. 1 essentially in that the polymer concrete 13 covers the entire upper side 7 of the edge profile 1 and in that the substantially sloping boundary surface 24 between the sealing compound 5 and the polymer concrete below already differs from the joint channel side, top corner of the edge profile 1 starts.
  • the polymer concrete 13 completely covers the upper side 7 of the edge profile 1 with an upper side which is substantially parallel to the upper side 7 of the edge profile 1 and that the area of the sealing compound 5 reaching over the edge profile 1 comes over it.
  • edge profile 1 it is not absolutely necessary to embed the edge profile 1 in polymer concrete 13 in the manner described. Rather, the edge profile 1 can also be connected to the associated structure in another way, for example by embedding it in the concrete of the roadway support structure 20.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
EP92107513A 1991-05-03 1992-05-04 Dispositif de recouvrement de joint de dilatation isolant acoustiquement Expired - Lifetime EP0512460B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4114507 1991-05-03
DE4114507A DE4114507C2 (de) 1991-05-03 1991-05-03 Schalldämmende Überbrückung von Dehnungsfugen

Publications (2)

Publication Number Publication Date
EP0512460A1 true EP0512460A1 (fr) 1992-11-11
EP0512460B1 EP0512460B1 (fr) 1996-11-27

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EP92107513A Expired - Lifetime EP0512460B1 (fr) 1991-05-03 1992-05-04 Dispositif de recouvrement de joint de dilatation isolant acoustiquement

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EP (1) EP0512460B1 (fr)
AT (1) ATE145686T1 (fr)
DE (1) DE4114507C2 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570611A1 (fr) * 1992-05-20 1993-11-24 Friedrich Maurer Söhne GmbH & Co. KG Dispositif de recouvrement pour joints de dilatation
EP1004705A2 (fr) * 1998-09-30 2000-05-31 Herbert Kallenberger Joint de chausée
EP2169130A1 (fr) * 2008-09-26 2010-03-31 Saint-Gobain Performance Plastics MG Silicon GmbH Écran de protection pour profil d'étanchéité en élastomère
AT508847B1 (de) * 2009-09-30 2012-07-15 Reisner & Wolff Engineering Gmbh Vorrichtung zur überbrückung einer dehnfuge
WO2011008285A3 (fr) * 2009-07-15 2012-12-06 Construction Research & Technology Gmbh Système d'étanchéité de joint de dilatation
CN103541441A (zh) * 2013-09-18 2014-01-29 阿博建材（昆山）有限公司 中间成型网
CN108487056A (zh) * 2018-05-22 2018-09-04 杭州溯真科技有限公司 一种桥梁伸缩缝装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19725116C2 (de) * 1997-06-13 2003-04-30 Maurer Friedrich Soehne Schalldämpfer und Überbrückungsvorrichtung
DE10032169A1 (de) * 2000-07-01 2002-01-17 Migua Fugensysteme Gmbh & Co K Verfahren zur Herstellung einer Dichtungsvorrichtung sowie Winkelprofil einer Dichtungsvorrichtung
EP1270836A3 (fr) 2001-06-25 2004-01-14 Triflex Beschichtungssysteme GmbH & Co. Kommanditgesellschaft Etanchéité pour joints de dilatation et méthode de réalisation
EP1614808A1 (fr) * 2004-07-07 2006-01-11 Mageba S.A. Dispositif de recouvrement pour joint d'expansion
DE102017220915A1 (de) * 2017-11-23 2019-05-23 Maurer Engineering Gmbh Fugendichtprofil, Bauwerksfugenüberbrückungsvorrichtung und Verfahren zum Herstellen eines Fugendichtprofils
CN110029595B (zh) * 2019-05-08 2020-06-09 杨逵 一种使用含镧泡沫金属片材的桥梁路面快速修补方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1503610A (fr) * 1966-08-26 1967-12-01 Sinmast France Sa Joint de dilatation pour chaussées et ouvrages d'art
GB1350903A (en) * 1970-05-08 1974-04-24 British Railways Board Joints between structural members of bridges
FR2308747A1 (fr) * 1975-04-22 1976-11-19 Sept Sarl Dispositif de jointoiement de structures en beton
DE2834361B1 (de) * 1978-08-04 1980-01-24 Hartkorn Alfred Fugenueberbrueckungskonstruktion fuer Bruecken o.dgl. Bauwerke
EP0100208A1 (fr) * 1982-07-23 1984-02-08 Alh Systems Limited Joint de dilatation
EP0194567A2 (fr) * 1985-03-06 1986-09-17 Friedrich Maurer Söhne GmbH & Co. KG Dispositif pontant pour joints de dilatation, en particulier dans des ponts ou dans des chaussées
DE3626367A1 (de) * 1986-08-04 1988-02-18 Alfred Hartkorn Fugenueberbrueckungskonstruktion fuer bruecken oder dergleichen bauwerke

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1051882A (fr) * 1900-01-01
US3849958A (en) * 1973-08-15 1974-11-26 Balco Inc Expansion joint cover assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1503610A (fr) * 1966-08-26 1967-12-01 Sinmast France Sa Joint de dilatation pour chaussées et ouvrages d'art
GB1350903A (en) * 1970-05-08 1974-04-24 British Railways Board Joints between structural members of bridges
FR2308747A1 (fr) * 1975-04-22 1976-11-19 Sept Sarl Dispositif de jointoiement de structures en beton
DE2834361B1 (de) * 1978-08-04 1980-01-24 Hartkorn Alfred Fugenueberbrueckungskonstruktion fuer Bruecken o.dgl. Bauwerke
EP0100208A1 (fr) * 1982-07-23 1984-02-08 Alh Systems Limited Joint de dilatation
EP0194567A2 (fr) * 1985-03-06 1986-09-17 Friedrich Maurer Söhne GmbH & Co. KG Dispositif pontant pour joints de dilatation, en particulier dans des ponts ou dans des chaussées
DE3626367A1 (de) * 1986-08-04 1988-02-18 Alfred Hartkorn Fugenueberbrueckungskonstruktion fuer bruecken oder dergleichen bauwerke

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570611A1 (fr) * 1992-05-20 1993-11-24 Friedrich Maurer Söhne GmbH & Co. KG Dispositif de recouvrement pour joints de dilatation
EP1004705A2 (fr) * 1998-09-30 2000-05-31 Herbert Kallenberger Joint de chausée
EP1004705A3 (fr) * 1998-09-30 2001-10-17 Herbert Kallenberger Joint de chaussée
EP2169130A1 (fr) * 2008-09-26 2010-03-31 Saint-Gobain Performance Plastics MG Silicon GmbH Écran de protection pour profil d'étanchéité en élastomère
WO2011008285A3 (fr) * 2009-07-15 2012-12-06 Construction Research & Technology Gmbh Système d'étanchéité de joint de dilatation
US8333532B2 (en) 2009-07-15 2012-12-18 Construction Research & Technology Gmbh Expansion joint sealing system
AT508847B1 (de) * 2009-09-30 2012-07-15 Reisner & Wolff Engineering Gmbh Vorrichtung zur überbrückung einer dehnfuge
US8671489B2 (en) 2009-09-30 2014-03-18 Reisner & Wolff Engineering Gmbh Device for bridging an expansion joint
CN103541441A (zh) * 2013-09-18 2014-01-29 阿博建材（昆山）有限公司 中间成型网
CN108487056A (zh) * 2018-05-22 2018-09-04 杭州溯真科技有限公司 一种桥梁伸缩缝装置
CN108487056B (zh) * 2018-05-22 2024-05-14 杭州溯真科技有限公司 一种桥梁伸缩缝装置

Also Published As

Publication number Publication date
DE4114507C2 (de) 1997-09-11
EP0512460B1 (fr) 1996-11-27
ATE145686T1 (de) 1996-12-15
DE4114507A1 (de) 1992-11-05

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