EP1302626B1 - Joint d'étanchéité pour segments de tunnel - Google Patents

Joint d'étanchéité pour segments de tunnel Download PDF

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Publication number
EP1302626B1
EP1302626B1 EP02021525A EP02021525A EP1302626B1 EP 1302626 B1 EP1302626 B1 EP 1302626B1 EP 02021525 A EP02021525 A EP 02021525A EP 02021525 A EP02021525 A EP 02021525A EP 1302626 B1 EP1302626 B1 EP 1302626B1
Authority
EP
European Patent Office
Prior art keywords
sealing profile
sealing
base side
main body
profile according
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
EP02021525A
Other languages
German (de)
English (en)
Other versions
EP1302626A1 (fr
Inventor
Werner Dr.-Ing. Grabe
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.)
Daetwyler AG Schweizerische Kabel Gummi und Kunststoffwerke
Original Assignee
Daetwyler AG Schweizerische Kabel Gummi und Kunststoffwerke
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 Daetwyler AG Schweizerische Kabel Gummi und Kunststoffwerke filed Critical Daetwyler AG Schweizerische Kabel Gummi und Kunststoffwerke
Priority to SI200230275T priority Critical patent/SI1302626T1/sl
Priority to AT02021525T priority patent/ATE312272T1/de
Publication of EP1302626A1 publication Critical patent/EP1302626A1/fr
Application granted granted Critical
Publication of EP1302626B1 publication Critical patent/EP1302626B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/906—Seal for article of indefinite length, e.g. strip, sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/921—Closure or weather strip seal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/934—Seal swells when wet

Definitions

  • the invention relates to an elastomeric, strand-shaped sealing profile for a circumferential receiving groove having tunnel segment with a base side, a back side whose width is smaller than the width of the base side, and Flank sides connecting the base side to the back side.
  • Sealing profiles for sealing the gaps between tunnel segments are, for example from DE 35 26 063 A1, DE 37 20 919 A1, DE 40 26 076 A1, DE 41 03 089 A1, DE 196 03 188 A1, CH 679 510 A5, EP 306 581 A1 and EP 522 912 A1 known.
  • sealing tunnel segments with circumferential grooves are usually four sealing profiles by means of associated Frame corners to one in the circumferential receiving groove of the tunnel segment arranged sealing frame formed.
  • Such with sealing profiles in theirs circumferential grooves provided tunnel segments or segments are assembled into rings, which in turn become a complete tunnel tube be composed, as for example in DE 196 03 188 A1 is described.
  • the water pressure, compared to a reliable seal to ensure is in the range of 1 to 4bar
  • the Channel Tunnel is this Pressure in the range of 10bar
  • tunnel projects are conceivable and planned, where this sealing pressure is again much higher, for example at 30bar.
  • a reliable seal even at relatively large Gap widths between the tunnel segments can be achieved. It can too a subsequent gap opening as a result of deformation of the original circular tunnel tube come through ovalization.
  • a sealing profile is arranged offset with two rows Channels, which is too soft for high water pressures.
  • the end DE 37 20 919 A1 known sealing profile is relatively flat in height, which is why it is not able to seal high water pressures in larger columns.
  • Seals according to DE 40 26 076 A1 move laterally attacking water pressure, causing the originally intended sealing effect the splayfoot is lifted.
  • From DE 41 03 089 is a sealing profile known with two rows of superimposed channels, where vertical and are formed obliquely through webs. In a compression without deform a lateral offset of the opposite grooves These gaskets such that they twist inside and a lateral Move the tunnel segments to each other cause.
  • a sealing profile is further known, which in the Has a groove-shaped recess in the region of its back, in which a strip-shaped Insert can be clipped, which consists of a water-swelling material consists. If due to a decreasing sealability, water to this Insert penetrates, the water-swelling material increases its volume, causing additional sealing stresses are built up.
  • the object of the invention is to provide an elastomeric strand-shaped sealing profile of to provide the aforementioned type, by a safe and durable Seal against very high water pressures is possible. According to the invention this is achieved by a sealing profile with the features of claim 1.
  • the sealing profile can be at laterally attacking water pressure on the opposite Support groove edge and is only minimally moved laterally.
  • the cantilevers are at a substantially trapezoidal Basic body of the sealing profile arranged.
  • the sealing profile can be formed so that the profile can disappear completely in the groove and the restoring forces stay within acceptable limits.
  • the maximum sizes of the restoring forces should not be too high, for example, the Nutein chargeden the Tunnel segments do not peel off.
  • the total cross-sectional area of the Sealing profile can, for example, in the range of about 90% (+/- 5%) the cross-sectional area of the receiving groove lie.
  • substantially trapezoidal is intended to be within the scope of this specification also refer to such bodies (seen in cross-section) in which the two parallel sides connecting leg sections with different Have angles of inclination, for example, above and below the side protruding cantilevers.
  • the water-side sealing lip in the area of the corners between the base side and the respective flank side of the sealing profile outgoing sealing lips is pressed by the upcoming water pressure against the groove flank and seals automatically.
  • an additional sealing pressure by increasing the volume of the sealing lip. This will cause the sealing lip against the groove wall on the one hand and the flank side of the sealing profile on the other hand pressed and sealed effectively.
  • these can Sealing lips of a softer material than the body of the sealing profile exist, so that these sealing lips very well to the bumps can adjust the concrete surface.
  • a Y-shaped structure of internal Includes webs, high restoring forces can be derived in the middle of the groove.
  • at least two rows of distributed over the width of the sealing profile Channels are provided.
  • the base side of the sealing profile as a closed Stand surface is formed, that is, without starting from the stand, Rillennuten reaching into the interior of the base part.
  • the footprint is thus essentially just trained.
  • Such full surface footprint of the sealing profile allows an excellent bonding of the profile in the groove, what in turn contributes to the stability of the formed seal.
  • the back side of the profile forming web coextruded Insert is arranged from a water-swelling material.
  • the volume of this insert increases, thereby an additional compressive stress is generated which reduces the force loss of the compression seal compensates or overcompensates.
  • Fig. 1 are schematically two opposite grooves 1 in adjacent Tunnel segments 2 shown.
  • Each tunnel segment 2 has at its Side surfaces a circumferential receiving groove 1, to insert in the sealing profiles are.
  • the grooves have a groove bottom 3 and groove edges 4.
  • Between the Tunnel segments 2 is a gap with the width of a, through which in the grooves sealed sealing profiles is sealed.
  • the groove centers of the opposite Receiving grooves may have a certain lateral offset d.
  • the embodiment shown in Fig. 2 in cross section of an inventive Sealing profile is shown in its relaxed state and the Receiving groove, in which it is to be used, is indicated by dashed lines.
  • the elastomeric, strand-shaped sealing profile comprises a base side 6, a back side 7, whose width b is smaller than the width B of the base side 6.
  • the base side and the back side are connected by flank sides 8.
  • the sealing profile has an isosceles trapezoidal cross-section Base 5, whose parallel sides of the base side and of the back side of the sealing profile are formed.
  • the main body 5 is traversed by a crossbar 10, which on the opposite flank sides 8 of the sealing profile projects beyond the main body 5. It will therefore on the legs of the trapezoidal body laterally projecting cantilevers 9 formed, which extend in the longitudinal direction of the profile continuously (an interrupted Course in the longitudinal direction of the profile would be conceivable and possible).
  • the imaginary legs of the trapezoidal body are in the range of cantilevers 9 indicated by dashed lines.
  • These cantilevers 9 are integral with the body 5 formed and consisting of the same material as the main body.
  • the cantilevers 9 are located in a region of the flank sides, both of the Base side, as well as from the back side is spaced.
  • the cantilevers 9 close each seen in cross section at an angle of less as 30 ° with the base side 6 of the sealing profile and are preferably slightly inclined downwards, so that they are approximately at right angles to the adjacent groove flank 4 stand.
  • the lying within the body 5 section of the crossbar 10 runs approximately parallel to the base side 6 of the sealing profile.
  • the over the Main body 5 laterally projecting cantilever arms 9 abut with their free ends the groove edges 4 at.
  • the crossbar 10 In the sealing profile are above and below the crossbar 10 each over provided the width of the sealing profile distributed channels.
  • Above the crossbeam 10 is a series of three triangular channels 11, 12, 13 in cross-section arranged.
  • Below the crossbeam is a row adjacent to the base side Channels 14-17 in the form of each closed by a wall 18 Grooved grooves arranged. The high points of these closed grooves form a parabolic imaginary arch whose maximum in the profile center is and the corners 19, 20 between the base side 6 and the adjacent Flank sides 8 cuts.
  • Between the two lateral channels 14 and 17 and the crossbar 10 are further circular in cross-section channels 28, 29 arranged.
  • a triangular Train structure Starting from the areas of the corners 22, 23 between the back side 7 and the flank sides 8 are two consecutive webs 24, 25 provided the together with the back side forming web 26 a triangular Train structure. Starting from the two running towards each other Webs formed tip of this triangular structure is one to the base side 6 the sealing profile and perpendicular to this extending web 27 is provided, whereby Overall, a Y-shaped structure is formed.
  • the knot of this Y-shaped Structure is in the area of the crossbeam 10. In the area of the knot this Y-shaped structure is also the highest point of the parabolic Arch that connects the high points of the grooved grooves channels 14 -17.
  • the back side of the sealing profile forming web 26 is a coextruded insert 21 provided from a water-swelling material.
  • this insert consists of an elastomer mixture with 30 to 65 Shore A.
  • the main body 5 and the cantilevers 9 are preferably made EPDM with 65 to 95 Shore A.
  • the sealing lips 30, 31 On the flank sides 8 of the main body 5 are laterally projecting, in Longitudinal direction of the sealing profile continuous sealing lips 30, 31 arranged, the areas of the corners 19, 20 between the base side 6 and the respective Flank side 8 are adjacent. In the embodiment shown, these go Sealing lips 30, 31 immediately at these corners 19, 20 of the flank sides. 8 of the sealing profile. In the relaxed state, the sealing lips 30, 31st laterally beyond the groove flanks 4.
  • the sealing lips 30, 31 are preferably made from a water-swelling material and are made by coextrusion educated. Conveniently, this is an elastomer mixture with a hardness in the range between 30 and 50 Shore A.
  • each with a water swellable Material for the insert 21 and the sealing lips 30, 31 is an additional security, in particular at an enlargement of the gap width a between the created adjacent tunnel segments.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)

Claims (13)

  1. Joint d'étanchéité élastomère en forme de cordon pour un segment de tunnel présentant une rainure de logement périphérique doté d'une face de base (6), d'une face arrière (7) dont la largeur b est inférieure à la largeur B de la face de base (6) et de faces de flancs (8) reliant la face de base (6) à la face arrière (7),
    caractérisé en ce qu'
    au moins une traverse continue (10) formée dans une zone située entre la face de base (6) et la face arrière (7), dépasse sur le corps de base (5) du joint d'étanchéité au niveau des faces opposées des flancs (8), et forme des deux côtés des bras en porte-à-faux (9) s'écartant pour s'appuyer sur les flancs adjacents de rainure (4) de la rainure de logement (1) et, au niveau des faces de flancs (8) du joint d'étanchéité, des lèvres d'étanchéité (30, 31) s'écartant latéralement et continues dans le sens longitudinal du joint d'étanchéité sont disposées sur le corps de base (5) du joint d'étanchéité, adjacentes à la zone des coins (19, 20) entre la face de base (6) et les faces de flancs respectives (8) du joint d'étanchéité, et partent de préférence directement au niveau de ces coins (19, 20) depuis la face de flancs (8) du joint d'étanchéité, en étant constituées d'un matériau gonflant à l'eau, et à partir des zones des coins (22, 23) entre la face arrière (7) et les faces de flancs (8) on prévoit deux entretoises (24, 25) se chevauchant qui, avec une entretoise (26) formant la face arrière, forment une structure triangulaire, et en partant de la pointe de cette structure triangulaire formée par les deux entretoises (24, 25) se chevauchant, une entretoise (27) dirigée vers la face de base (6) du joint d'étanchéité forme dans l'ensemble une structure en Y.
  2. Joint d'étanchéité selon la revendication 1,
    caractérisé en ce que
    les bras en porte-à-faux (9) comprennent, vus en coupe, un angle inférieur à 30° avec la face de base (6) du joint d'étanchéité, et sont de préférence approximativement perpendiculaires au flanc de rainure adjacent (4).
  3. Joint d'étanchéité selon la revendication 1 ou 2,
    caractérisé en ce que
    la section de la traverse (10) située à l'intérieur du corps de base (5) du joint d'étanchéité est continue dans le sens longitudinal du joint d'étanchéité et est de préférence parallèle, vue en coupe, à la face de base (6) du joint d'étanchéité.
  4. Joint d'étanchéité selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que
    les bras en porte-à-faux (9) sont continus dans le sens longitudinal du joint d'étanchéité.
  5. Joint d'étanchéité selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que
    le corps de base (5) du joint d'étanchéité est essentiellement trapézoïdal, de préférence essentiellement trapézoïdal isocèle et les bras en porte-à-faux (9) sont constitués de préférence du même matériau que ce corps de base (5).
  6. Joint d'étanchéité selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    la face de base (6) est formée comme une surface d'appui fermée.
  7. Joint d'étanchéité selon la revendication 6,
    caractérisé en ce que
    plusieurs canaux (14, 15, 16, 17) écartés les uns des autres et disposés sur la zone du joint d'étanchéité adjacente à la face de base (6), sont formés comme des rainures à nervure fermées par une paroi (18) vers la face de base (6), dont les sommets sont situés sur un arc imaginaire parabolique dont le maximum est dans la zone du milieu du joint, et l'arc passe par la zone des coins (19, 20) entre la face de base (6) et les faces de flancs (8).
  8. Joint d'étanchéité selon l'une quelconque des revendications 3 à 7,
    caractérisé en ce qu'
    on prévoit au moins deux rangées de canaux (11 - 17, 28, 29) répartis sur la largeur du joint d'étanchéité, au moins une rangée de canaux étant prévue dans la zone au-dessus et en dessous de la traverse (10).
  9. Joint d'étanchéité selon l'une quelconque des revendications 1 à 8,
    caractérisé en ce qu'
    une pièce rapportée (21) coextrudée, en matériau gonflant à l'eau, est prévue dans l'entretoise (26) formant la face arrière (7) du joint d'étanchéité.
  10. Joint d'étanchéité selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce que
    les lèvres d'étanchéité (30, 31) sont constituées d'un matériau plus mou que le corps de base (5) du joint d'étanchéité, elles sont coextrudées avec celui-ci et présentent de préférence une dureté comprise entre 30 et 50 shore A.
  11. Joint d'étanchéité selon l'une quelconque des revendications 1 à 10,
    caractérisé en ce que
    le corps de base (5) présente une dureté comprise entre 65 et 95 shore A et est constitué de préférence de terpolymère éthylène-propylène-diène.
  12. Joint d'étanchéité selon l'une quelconque des revendications 1 à 11,
    caractérisé en ce que
    la pièce rapportée (21) est constituée d'un mélange d'élastomère d'une dureté comprise entre 30 et 65 shore A.
  13. Joint d'étanchéité selon l'une quelconque des revendications 1 à 12,
    caractérisé en ce que
    l'ensemble de l'aire de section du joint d'étanchéité est de 85 à 95 %, de préférence à environ 90 % de l'aire de section de la rainure de logement (1).
EP02021525A 2001-10-11 2002-09-26 Joint d'étanchéité pour segments de tunnel Expired - Lifetime EP1302626B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200230275T SI1302626T1 (sl) 2001-10-11 2002-09-26 Tesnilni profil za predorske segmente
AT02021525T ATE312272T1 (de) 2001-10-11 2002-09-26 Dichtungsprofil für tunnel-segmente

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT16012001 2001-10-11
AT16012001 2001-10-11

Publications (2)

Publication Number Publication Date
EP1302626A1 EP1302626A1 (fr) 2003-04-16
EP1302626B1 true EP1302626B1 (fr) 2005-12-07

Family

ID=3688412

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02021525A Expired - Lifetime EP1302626B1 (fr) 2001-10-11 2002-09-26 Joint d'étanchéité pour segments de tunnel

Country Status (5)

Country Link
US (1) US6612585B2 (fr)
EP (1) EP1302626B1 (fr)
DE (1) DE50205176D1 (fr)
DK (1) DK1302626T3 (fr)
ES (1) ES2254581T3 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN102444409A (zh) * 2011-12-29 2012-05-09 同济大学 一种利用水压密封的盾构隧道管片接缝弹性密封垫

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US20120141190A1 (en) * 2010-12-06 2012-06-07 Modern Cement, Llc Expansion Joint
CA2876881C (fr) 2014-01-08 2020-06-02 Csi Tunnel Systems Joint transversal d'un voussoir de tunnel
GB201601753D0 (en) * 2016-02-01 2016-03-16 Vip Polymers Ltd Cast-in tunnel gasket and joining method
DE102016110989A1 (de) * 2016-06-15 2017-12-21 Dätwyler Sealing Technologies Deutschland Gmbh Dichtungsprofil zur Einbettung in ein Formteil aus aushärtbarem Material
DE102017116093A1 (de) * 2017-07-18 2019-01-24 Dätwyler Sealing Technologies Deutschland Gmbh Dichtungsprofil zur Einbettung in ein Formteil aus aushärtbarem Material
US11401810B2 (en) 2018-01-19 2022-08-02 Vertex, Inc. Removable and replaceable anchored tunnel gasket
US10662643B2 (en) 2018-01-19 2020-05-26 Vertex, Inc. Removable and replaceable anchored frame-like tunnel gasket construction with soft corners
CN109915672B (zh) * 2019-04-04 2020-12-22 浙江省交通规划设计研究院有限公司 一种用于建筑水泥管拼接的水密封连接装置
CN110219669B (zh) * 2019-04-30 2021-03-16 东北大学 一种楔入式预制盾构管片防水结构

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102444409A (zh) * 2011-12-29 2012-05-09 同济大学 一种利用水压密封的盾构隧道管片接缝弹性密封垫

Also Published As

Publication number Publication date
US20030085531A1 (en) 2003-05-08
EP1302626A1 (fr) 2003-04-16
DE50205176D1 (de) 2006-01-12
US6612585B2 (en) 2003-09-02
DK1302626T3 (da) 2006-04-03
ES2254581T3 (es) 2006-06-16

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