EP2507479A2 - Système d'étanchéité pour puits et tunnels - Google Patents

Système d'étanchéité pour puits et tunnels

Info

Publication number
EP2507479A2
EP2507479A2 EP10805402A EP10805402A EP2507479A2 EP 2507479 A2 EP2507479 A2 EP 2507479A2 EP 10805402 A EP10805402 A EP 10805402A EP 10805402 A EP10805402 A EP 10805402A EP 2507479 A2 EP2507479 A2 EP 2507479A2
Authority
EP
European Patent Office
Prior art keywords
sealing
profile
regions
hardness
sealing 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.)
Granted
Application number
EP10805402A
Other languages
German (de)
English (en)
Other versions
EP2507479B1 (fr
Inventor
Heiko Höft
Holger Gutschmidt
Andreas Diener
Andreas Artus
Marc Fischer
Matthias Klug
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.)
Sealable Solutions GmbH
Original Assignee
Phoenix Dichtungstechnik GmbH
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 Phoenix Dichtungstechnik GmbH filed Critical Phoenix Dichtungstechnik GmbH
Publication of EP2507479A2 publication Critical patent/EP2507479A2/fr
Application granted granted Critical
Publication of EP2507479B1 publication Critical patent/EP2507479B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/385—Sealing means positioned between adjacent lining members

Definitions

  • the invention relates to a sealing arrangement for shaft and tunnel structures.
  • Manhole and tunnel structures are regularly composed of individual monolithic prefabricated components (tubbings), between which there are contact joints, which are sealed with suitable seals, for example to prevent ingress of surrounding medium (for example water).
  • suitable seals for example to prevent ingress of surrounding medium (for example water).
  • an elastic sealing profile is introduced into a circumferential groove around the butt sides of the tubbing.
  • the sealing effect of the sealing system is achieved when joining the tubbing in that the opposite each other in the joints
  • compression seal The restoring forces caused by the compression ensure a reliable seal, provided that the generated compression pressure exceeds the external pressure applied to the seal.
  • the present invention provides a sealing arrangement for shaft and tunnel structures, wherein
  • the sealing arrangement comprises at least two components which form a joint with abutting sides against each other,
  • the components each have an elastic sealing profile on the abutment faces
  • the sealing profiles of abutting abutment sides lie against one another at a contact plane and bridge the joint in a sealing manner
  • each of the sealing profiles is transversely perpendicular to the respective one
  • Profile longitudinal plane alternately arranged regions of different hardness, wherein the sealing profiles of adjacent abutting sides differ in the arrangement of the regions of different hardness in the transverse direction from each other.
  • the sealing arrangement according to the invention provides for the first time sealing profiles, which are not uniform and not mirror-symmetrical in terms of their elasticity properties with an offset-free arrangement.
  • Each sealing profile has regions of different hardness arranged alternately along the contact plane, wherein the arrangement of the regions of different hardness of the sealing profiles differs from one another, so that in the deployment situation without offset, a "hard” region essentially lies opposite a "soft” region.
  • a hard area of a sealing profile is at least substantially pressed onto or into a soft region of the opposite sealing profile in the case of installation without offset.
  • At an offset at least a portion of the hard portion of one seal profile faces a hard portion of the other seal profile adjacent the soft portion.
  • a “hard” range or “harder” range is understood to mean a region of a sealing profile which has a higher restoring force than a
  • a "soft” region or “softer” region is understood to mean a region of a sealing profile which has a lower restoring force than a comparison region.
  • a “region” here is preferably a part of the sealing profile which is delimited by the face side and the base side of the sealing profile as well as by one flank side and the adjacent region or two adjacent regions.
  • the regions of different hardness need not necessarily be from the base side, ie Rather, the regions of different hardness can also be provided on a base part of uniform hardness and limited by this
  • Sealing profiles can be adjusted in various ways known in the art, for example by selecting a suitable material with a suitable Shore hardness and / or by providing cavities or channels in the sealing profile.
  • the "hardness" of a sealing profile can also be influenced by the shape of cavities or channels provided in the sealing profile.
  • transverse direction a direction is meant which is perpendicular to the profile longitudinal plane and substantially parallel to the end face of the profile Dichtungsgpro Stahls or to the contact plane between two Dichtungsgpro Stahl runs.
  • Profile longitudinal plane is understood to mean a plane that extends in the longitudinal direction of the
  • the central longitudinal axis of the sealing profile includes and is perpendicular to the end face of Dichtungsgproeuropas or the contact plane.
  • alternately arranged regions is meant that in the transverse direction alternately areas of different hardness are arranged behind or next to each other, for example, seen from a flank side of the sealing profile, a soft area a hard area and this again followed by a soft area.
  • Range-hardening combinations possible for example soft-hard / hard-soft, soft-hard-soft / hard-soft-hard, soft-hard-soft-hard-soft / hard-soft-hard, etc.
  • soft areas of a sealing profile at least 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 or at least 55%, more preferably one by 20, 25, 30, compared to the respectively assigned hard areas of the other area , 35, 40, 45 or 50% lower restoring force.
  • the components may be made of concrete, metal, plastic, wood or other materials, e.g. Composite materials, exist.
  • the regions can preferably be permanently connected to one another by coextrusion, adhesive bonding or other processes known and suitable to the person skilled in the art.
  • the areas of different hardness are arranged with an offset arrangement of the sealing profiles such that a region of a sealing profile in each case a portion of this sealing profile associated sealing profile with a different hardness directly
  • opposing regions of different hardness do not overlap. But it is also possible that overlap areas of different hardness even with offset arrangement of the sealing profiles at least partially. For example, in the soft-hard-soft / hard-soft-hard combination, it may be so that the inward soft regions each contact a portion of the two outer soft regions of the opposing sealing profile.
  • the regions may have different Shore hardnesses of the material making up the respective region and / or different profile geometries. Different profile geometries preferably result from a different size and / or arrangement and / or shape of cavities or channels in the sealing profile.
  • each of the sealing profiles has a total of three areas, wherein two areas preferably have the same hardness and a preferably central area has a higher or lower hardness on the other hand.
  • one of the sealing profiles has an inner soft region and two flanking outer hard regions and the opposite sealing profile has an inner hard region and two flanking outer soft regions.
  • sealing profiles with more than three, for example four, five, six or seven alternating hardness ranges. In the case of an odd number of alternating hardness areas, it is preferable that one area is centrally located and the other areas flank symmetrically this central area. It is particularly preferred that the flanks (lateral outer sides) of the
  • Sealing profile lying areas taken together have the same contact surface as the central area. Any regions lying between the flank regions and the central region preferably each have the same contact surface as the central region. In a preferred embodiment, the regions of different hardness, taken together, form essentially an equal contact surface, ie all soft regions of a sealing profile form a contact surface which substantially corresponds to the contact surface formed by the hard regions of the sealing profile.
  • the sealing profiles are made of elastomeric material.
  • elastomeric materials are natural rubber (NR), styrene-butadiene rubber (SBR), butyl rubber (HR), ethylene-propylene rubber (EPDM), butadiene-acrylonitrile rubber (NBR), hydrogenated acrylonitrile rubber (HNBR), chloroprene rubber (CR),
  • chlorosulfonated polyethylene CSM
  • polyacrylate rubber ACM
  • polyurethane rubber PU
  • silicone rubber Q
  • fluorosilicone rubber MFQ
  • fluororubber FPM
  • the invention in a second aspect, relates to a sealing profile for components of manholes and tunnels, wherein the sealing profile in the form of a substantially rectangular frame with four sides, and wherein the sealing profile in
  • the regions of the sealing profile may preferably be permanently interconnected by coextrusion, gluing or other methods known and suitable to the person skilled in the art.
  • Sealing profiles for components of manholes and tunnels typically form a substantially rectangular frame, e.g. is inserted into a circumferential groove in the butt sides of the components.
  • the sealing profile preferably has at least one region with a first hardness and at least two regions with a hardness different from the first hardness. More preferably, two adjacent sides of the sealing profile have an inner soft region and two flanking outer hard regions, and the remaining sides have an inner hard region and two flanking outer soft regions.
  • the sealing profile is preferably made of elastomeric material, as indicated above.
  • the invention provides a tunnel or manhole structure comprising a seal arrangement or a sealing profile according to the first or second aspect of the invention.
  • FIG. 1 Schematic representation of a part of a tunnel structure.
  • Fig. 2 Schematic cross-sectional view of a seal assembly according to the prior art.
  • FIG. 3 Schematic cross-sectional view of an embodiment of a sealing arrangement according to the invention.
  • 4 shows schematic cross-sectional views of embodiments of a sealing profile according to the invention.
  • Fig. 5 Schematic representation of an arrangement of several components with the
  • Figure 1 shows schematically a portion of one of individual components 2, e.g.
  • Figure 2 shows schematically a cross section through a sealing arrangement for
  • Shock sides 3 of the components 2 form a joint 4 and each have a peripheral around the abutting sides 3 groove 14, in each of which an elastic sealing profile 5 is introduced.
  • Sealing profiles 5 are arranged mirror-symmetrically with respect to the contact plane 6 and seal the gap 4 from.
  • FIG. 3 shows an embodiment of the sealing arrangement 1 according to the invention.
  • a sealing profile 5 is introduced in each case. Shown is a part of two with their abutting sides 3 adjacent components 2.
  • the here in the unpressed state and without offset against each other illustrated sealing profiles 5 are with the profile end faces 16 in the contact plane 6 to each other and bridge in this way the joint 4.
  • the sealing profiles have groove grooves 18 on the profile base side 15 and channels in the illustrated embodiment 11 and are fixed for example by gluing in the groove 14.
  • the sealing profiles 5 are configured with respect to the contact plane 6 is not mirror-symmetrical. Rather, the sealing profiles 5 differ in the arrangement of areas 7, 8 different hardness.
  • the different hardness of the regions 7, 8 has been generated in the embodiment shown here by selecting different Shore hardness of the elastomeric material used for the respective area 7, 8.
  • Both sealing profiles 5 have three areas 7, 8, which are arranged alternately in the transverse direction 9. In the case of the contact plane 6 shown here on the left
  • Sealing profile 5 a is a made of a harder material central region 8 flanked by regions 7 of softer material, while seen from the contact plane 6 from the right sealing profile 5 b a softer central region 7 is flanked by harder areas 8.
  • a hard area 8 of one sealing profile 5a lies directly opposite a soft area 7 of the other sealing profile 5b with the same contact area on the contact plane 6, and vice versa.
  • the areas 7, 8 do not overlap in the non-offset state, i. a hard area 8 of one sealing profile 5a does not overlap the respective opposite soft area 7 of the other
  • Sealing profile 5b Both sealing profiles 5 are in this embodiment with respect to the profile longitudinal plane 10 each mirror-symmetrical.
  • the sum of the contact areas, i. the sum of the surfaces with which the sealing profiles 5 abut against each other in the non-offset state in the contact plane 6 is here for the soft and hard areas 7, 8 in each case substantially equal.
  • the contact surfaces of the two hard areas 8 of the right-hand sealing profile 5b thus add up to a surface which essentially corresponds to the contact area of the central area 7. Accordingly, it behaves with the Kunststofffizzen the left sealing profile 5 a.
  • the central hard area 8 of the one sealing profile 5a overlaps the corresponding hard area 8 of the opposite side to the profile side 17
  • FIG. 4 shows two different variants of a device according to the invention
  • Sealing arrangement 1 For the sake of clarity, only the two are Sealing profiles 5 shown. Compared with Fig. 3, the sealing profiles are shown here tilted by 90 °. In Fig. 4A, the sealing profiles 5 of Fig. 3 are shown enlarged again.
  • the different hardness of the regions 7, 8 realized by different Shore hardness of the material used for the areas 7, 8 respectively.
  • the hard area 8 of the lying in relation to the contact plane 6 upper sealing profile 5 a has a higher Shore hardness than that
  • each lying in the non-offset state areas 7, 8 is the same for both sealing profiles 5, i. the number, shape and arrangement of channels 11 is the same, i. mirror-symmetric with respect to the contact plane 6.
  • Areas 8 and the soft regions 7 each have substantially the same Shore hardness. But it can also be provided different Shore hardnesses, which are in the case of soft areas 7, however, each less than in the respective opposite in the non-offset state hard area 8.
  • Fig. 4B an embodiment is shown, in the different area hardening by the profile geometry are generated.
  • the central hard area 8 of the lying in the figure above the contact plane 6 sealing profile 5 a has a comparatively larger
  • the hardness of a region can be adjusted by the number, the size and also by the shape of the cavities or channels 11. The larger the proportion of solid material in the volume of the respective area, the harder it is in general.
  • FIG. 5 shows a highly schematic representation of an exemplary arrangement of a plurality of abutting components 2 with a preferred embodiment of the profile seal 5 according to the invention in a side view. Shown are two rows of four components 2, the abutting sides 3 are equipped with a circumferential frame-like sealing profile 5. Of the four sides 12a, 12b, 12c and 12d of the sealing profile 5, two adjacent sides 12a, 12b and 12c, 12d are formed identically, ie with an identical one Area arrangement provided, while opposite sides have different area arrangements. The sides 12a and 12b, for example, have an arrangement of the areas 7, 8 in which a central hard area 8 is flanked by two soft areas 7, while the sides 12c and 12d have the reverse arrangement. In the side view, only the flank sides 17 of the sealing profile 5 can be seen. The sides are connected to each other in the corner regions 19. Three examples of preferred embodiments of the corner regions 19 are sketched bottom left in FIG.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Gasket Seals (AREA)
  • Sealing Material Composition (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

L'objet de la présente invention est d'améliorer l'étanchéification d'interstices entre des parties structurales de puits et de tunnels, en particulier en cas de décalage des parties structurales. A cet effet la présente invention concerne un système d'étanchéité pour puits et tunnels. Selon l'invention, a) le système d'étanchéité (1) englobe au moins deux parties structurales (2) qui sont disposées côte à côte par leurs faces d'aboutement (3), formant ainsi un interstice (4), b) les parties structurales (2) comportent au niveau des faces d'aboutement (3) un profilé d'étanchéité élastique (5) et c) les profilés d'étanchéité (5) de faces d'aboutement (3) adjacentes se trouvent en contact les uns avec les autres au niveau d'un plan de contact (6) et pontent l'interstice (4) de manière étanche. Ledit système d'étanchéité est caractérisé en ce que chacun des profilés d'étanchéité (5) comporte dans la direction transversale (9) perpendiculairement au plan longitudinal (10) du profilé des zones (7, 8) de dureté différente situées en alternance, les profilés d'étanchéité (5) de faces d'aboutement (3) adjacentes présentant une disposition alternée des zones (7, 8) de dureté différente dans la direction verticale (9).
EP10805402.4A 2009-11-30 2010-11-29 Système d'étanchéité pour puits et tunnels Active EP2507479B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009056063A DE102009056063A1 (de) 2009-11-30 2009-11-30 Dichtanordnung für Schacht- und Tunnelbauten
PCT/DE2010/050086 WO2011063804A2 (fr) 2009-11-30 2010-11-29 Système d'étanchéité pour puits et tunnels

Publications (2)

Publication Number Publication Date
EP2507479A2 true EP2507479A2 (fr) 2012-10-10
EP2507479B1 EP2507479B1 (fr) 2014-03-26

Family

ID=43903809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10805402.4A Active EP2507479B1 (fr) 2009-11-30 2010-11-29 Système d'étanchéité pour puits et tunnels

Country Status (6)

Country Link
US (1) US9222358B2 (fr)
EP (1) EP2507479B1 (fr)
DE (2) DE102009056063A1 (fr)
ES (1) ES2461851T3 (fr)
HK (1) HK1176983A1 (fr)
WO (1) WO2011063804A2 (fr)

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Publication number Priority date Publication date Assignee Title
DE102013110928B4 (de) * 2013-09-13 2015-06-03 Dätwyler Sealing Technologies Deutschland Gmbh Prüfvorrichtung zur Prüfung von Dichtungen mit Verankerungsfüßen sowie deren Verwendung
CA2876881C (fr) 2014-01-08 2020-06-02 Csi Tunnel Systems Joint transversal d'un voussoir de tunnel
US9404227B2 (en) * 2014-06-13 2016-08-02 Newpark Mats & Integrated Services Llc Load-supporting surface with interfacing gap seal members and related apparatus and methods
CN104234088A (zh) * 2014-09-23 2014-12-24 南京长江都市建筑设计股份有限公司 一种预制双层叠合板地下室外墙板后浇带结构及施工步骤
CN106437788B (zh) * 2016-11-16 2018-11-23 中铁二院工程集团有限责任公司 一种盾构隧道管片弹性密封垫主动压密装置
CN106523000A (zh) * 2016-12-19 2017-03-22 同济大学 一种高水压越江跨海盾构隧道管片接缝的密封结构
CN106523001A (zh) * 2016-12-19 2017-03-22 同济大学 一种高水压盾构隧道接缝防水密封结构
CN106640152A (zh) * 2016-12-26 2017-05-10 同济大学 一种城市地下管廊预制管片接缝弹性密封垫
DE102017116093A1 (de) * 2017-07-18 2019-01-24 Dätwyler Sealing Technologies Deutschland Gmbh Dichtungsprofil zur Einbettung in ein Formteil aus aushärtbarem Material
CN110747763A (zh) * 2019-10-28 2020-02-04 湖北建科国际工程有限公司 一种箱涵沉降缝防水结构及其施工方法

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Also Published As

Publication number Publication date
WO2011063804A3 (fr) 2012-08-16
US20120328369A1 (en) 2012-12-27
WO2011063804A2 (fr) 2011-06-03
DE112010004604A5 (de) 2013-03-21
HK1176983A1 (en) 2013-08-09
ES2461851T3 (es) 2014-05-21
EP2507479B1 (fr) 2014-03-26
US9222358B2 (en) 2015-12-29
DE102009056063A1 (de) 2011-07-14

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