EP0368174B1 - Joint d'étanchéité pour segments de revêtement de tunnels - Google Patents

Joint d'étanchéité pour segments de revêtement de tunnels Download PDF

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Publication number
EP0368174B1
EP0368174B1 EP89120415A EP89120415A EP0368174B1 EP 0368174 B1 EP0368174 B1 EP 0368174B1 EP 89120415 A EP89120415 A EP 89120415A EP 89120415 A EP89120415 A EP 89120415A EP 0368174 B1 EP0368174 B1 EP 0368174B1
Authority
EP
European Patent Office
Prior art keywords
profile
sealing
sealing arrangement
recess
width
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
EP89120415A
Other languages
German (de)
English (en)
Other versions
EP0368174A1 (fr
Inventor
Werner Dr.-Ing. Grabe
Siegfried Glang
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.)
Phoenix AG
Original Assignee
Phoenix AG
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 AG filed Critical Phoenix AG
Priority to AT89120415T priority Critical patent/ATE93576T1/de
Publication of EP0368174A1 publication Critical patent/EP0368174A1/fr
Application granted granted Critical
Publication of EP0368174B1 publication Critical patent/EP0368174B1/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
    • 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
    • E21D11/388—Sealing means positioned between adjacent lining members having longitudinal cavities communicating with the exterior on the outer side of the lining elements

Definitions

  • the invention relates to a sealing arrangement according to the preamble of claim 1.
  • Such an arrangement is known from GB-A-2 178 114.
  • the sealing frames of a segment made of concrete, steel, reinforced concrete or cast iron mostly consist of four composite strand-shaped sealing profiles (profiled strips) made of elastomeric material, that is, of rubber or rubber-like plastic, the frame corners preferably being produced by the injection molding process.
  • the tunnel construction in segmental construction with a special arrangement of the segments. It is often sufficient if each segment has a sealing frame. In special circumstances, however, it may be necessary to provide each segment with a double sealing frame, it being possible for the two parallel sealing frames to be connected to one another with an additional sealing cross profile (EP-A-0 337 177).
  • the sealing profiles or sealing frames are usually located in a corresponding groove (groove depth d, groove width w) of the tunnel segment.
  • a sealing profile which, viewed in cross-section, is of asymmetrical shape, the asymmetry being caused by the fact that a recess is located in the flat front edge back of the profile towards the outside of the segment (water side).
  • this front edge back has a support rib which is located in a corresponding groove in the segment.
  • a rubber profile for sealing end walls of tunnel segments pressed against one another is known, which also has an asymmetrical cross-sectional shape.
  • This profile body has a sealing lip that faces the outside of the tunnel segment so that the water pressure can increase the sealing effect.
  • a sealing lip is also referred to in this context as a "pressure-activating lip”.
  • sealing profiles have mostly been used in tunnel projects, which are mirror-symmetrical in cross-section (based on the vertical longitudinal profile of the profile). It has been found that profile strips which have longitudinal groove grooves and channels (GB-B-2 170 561, GB-B-2 178 114, GB-B-2 182 987, EP-A-0 255 600, EP -A-0 306 796), are particularly effective with regard to their sealing function.
  • profile strips which have longitudinal groove grooves and channels (GB-B-2 170 561, GB-B-2 178 114, GB-B-2 182 987, EP-A-0 255 600, EP -A-0 306 796), are particularly effective with regard to their sealing function.
  • density values of 4 to 20 bar were achieved. With groove dimensions d / w ⁇ 0.18 and for high tightness of ⁇ 20 bar with required vertical pressing of more than 30%, the sealing profiles developed so far can no longer be designed to match the groove volume.
  • the invention is based on the surprising finding that asymmetrical sealing profiles according to the characterizing part of claim 1 have a very high sealing performance.
  • the gap (1) should be sealed with the distance S o (unloaded state) between two adjacent segments (2, 3).
  • a strand-shaped sealing profile (6) made of rubber or rubber-like material is inserted into the grooves (4, 5).
  • Each sealing profile has a pressure-activating lip (8) towards the outside of the segment (7) and a profile foot (9) which is trough-shaped.
  • the pressure-activating lip (8) is oriented in the unloaded state from the profile back (10) towards the middle of the gap (11) to the pressure water side.
  • the lip (8) according to the invention increases the sealing profile with only a small volume requirement. In the loaded, ie compressed state (gap distance S1), the gap (12) between the two sealing profiles (6) disappears.
  • the profile foot (9) has a support (13) on the groove slope (14), which prevents a displacement of the profile (6) when compressed.
  • the tub-like profile foot (9) has the task of centering the solid sealing body in the groove (4, 5), so that a minimum contact width of the profiles remains guaranteed even when the sealing profiles are offset.
  • the three groove grooves (15, 16, 17) are arranged symmetrically to one another, the middle groove (16) being deeper and wider than the neighboring grooves (15, 17).
  • the line (19b) is also the reference point for the profile height H.
  • the trough-shaped profile foot (9; area B) can take up to 40% of the groove width w (corresponds to the total width of the profile base side). This upper limit should not be exceeded so that the profile body (area A) still exerts a sufficient sealing effect even when there is a segment offset.
  • the support (13), which gives the profile foot (9) the trough-shaped shape, has an overall height which corresponds approximately to half the groove depth d.
  • the solid profile base body (area A) has three groove grooves (22, 23, 24) similar to the sealing profile (6) according to FIG. 1, the middle groove (23) here having a different shape than the two neighboring grooves (22, 24) .
  • a channel (25) is arranged directly above the central groove (23).
  • the sealing profile (26) has two groove grooves (27, 28) which have a different shape and size, and three substantially uniform channels (29, 30, 31).
  • groove grooves and channels are arranged asymmetrically to one another. This gives the profile (26) in addition to the two asymmetry elements according to the invention, namely lip (8) and profile foot (9), further asymmetry elements.

Landscapes

  • 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)
  • Gasket Seals (AREA)
  • Sealing With Elastic Sealing Lips (AREA)

Claims (9)

  1. Dispositif d'étanchéité
    a) se composant de voussoirs (2, 3) qui se font face et sont munis chacun d'une gorge circonférentielle (4, 5) ayant une largeur de gorge (w) et une profondeur de gorge (d), chaque gorge contenant un joint d'étanchéité profilé en forme de cordon (6, 18, 26), en matière élastomère, qui rend étanche la fente (1) entre deux voussoirs contigus vis-à-vis de l'extérieur (7) des voussoirs, c'est-à-dire du côté de l'eau sous pression (eau infiltrante);
    b) chaque joint d'étanchéité profilé (6, 18, 26), vu en coupe transversale, présentant, du côté de sa base, dont la largeur totale correspond à la largeur de gorge (w), des rainures (15, 16, 17; 22, 23, 24; 27, 28) qui s'étendent en direction longitudinale,
    caractérisé en ce que
    c) chaque joint d'étanchéité profilé, vu en coupe transversale, est réalisé sous forme asymétrique et comporte, vers le côté extérieur (7) du voussoir, une lèvre (8) qui est rendue active par la pression et qui s'étend a partir du dos (10) d'un corps principal du joint profilé (région A) en direction du milieu (11) de la fente entre deux voussoirs contigus, ce dos etant une partie du côte du joint opposé au côté de sa base; en ce que
    d) l'angle α de la lèvre (8) à l'état non sollicité est compris entre 10 et 45°, cet angle étant défini par la résultante (ligne 19a) des deux flancs (20, 21) de la lèvre, qui convergent sous des angles différents, et par la ligne (19b) tracée au milieu (11) de la fente, parallèlement au côté de base, à la distance H de celui-ci; et en ce que
    e) le joint d'étanchéité profilé (6, 18, 26) présente un pied de profilé en forme de cuvette (9; région B) qui fait suite au corps principal (région A) du joint profilé , est dirigé vers le côté extérieur (7) du voussoir, se change en un élément d'appui (13) s'appliquant contre le flanc incliné (14) de la gorge, et occupe 10 à 40%. de la largeur (w) de la gorge ou de la largeur totale du côté de base, cet élément d'appui (13), qui donne au pied de profilé (9) sa forme de cuvette, présentant une hauteur totale qui correspond à peu près à la moitié de la profondeur (d) de la gorge.
  2. Dispositif d'étanchéité selon la revendication 1, caractérisé en ce qu'en ce qui concerne la lèvre (8) rendue active par la pression, l'angle α entre les lignes (19a, 19b) est compris entre 10 et 30°.
  3. Dispositif d'étanchéité selon la revendication 1 ou 2, caractérisé en ce que le pied de profilé (9) en forme de cuvette occupe 25 à 35% de la largeur (w) de la gorge.
  4. Dispositif d'étanchéité selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'épaisseur de la lèvre (8) rendue active par la pression s'élève au moins à 3 mm.
  5. Dispositif d'étanchéité selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'épaisseur du pied de profilé (9) s'élève au moins à 2 mm.
  6. Dispositif d'étanchéité selon l'une quelconque des revendications 1 à 5, caractérisé en ce que trois rainures (15, 16, 17; 22, 23, 24) sont formées dans le corps principal (région A) du joint profilé, la rainure du milieu (16, 23 présentant une profondeur et/ou une largeur et/ou une forme qui sont différentes de celles des rainures voisines.
  7. Dispositif d'étanchéité selon la revendication 6, caractérisée en ce qu'un canal (25) est disposé directement au-dessus de la rainure du milieu (23)
  8. Dispositif d'étanchéité selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'en dehors de la lèvre (8) rendue active par la pression et du pied de profilé (9), il existe d'autres éléments asymétriques.
  9. Dispositif d'étanchéité selon la revendication 8, caractérisé en ce que deux rainures (27, 28) et trois canaux (29, 30, 31) sont formés dans le corps principal (région A) du joint profilé, les trois canaux n'étant pas situés dans un même plan et les deux rainures présentant des formes différentes.
EP89120415A 1988-11-09 1989-11-04 Joint d'étanchéité pour segments de revêtement de tunnels Expired - Lifetime EP0368174B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89120415T ATE93576T1 (de) 1988-11-09 1989-11-04 Dichtungsprofil fuer tunnel-segmente.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3837988 1988-11-09
DE3837988 1988-11-09
DE3903928 1989-02-10
DE3903928 1989-02-10

Publications (2)

Publication Number Publication Date
EP0368174A1 EP0368174A1 (fr) 1990-05-16
EP0368174B1 true EP0368174B1 (fr) 1993-08-25

Family

ID=25874067

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89120415A Expired - Lifetime EP0368174B1 (fr) 1988-11-09 1989-11-04 Joint d'étanchéité pour segments de revêtement de tunnels

Country Status (3)

Country Link
EP (1) EP0368174B1 (fr)
DE (1) DE58905382D1 (fr)
ES (1) ES2045345T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2036384T3 (es) * 1989-08-19 1993-05-16 Phoenix Aktiengesellschaft Perfil de estanqueidad.
DK0534277T3 (da) 1991-09-21 1996-01-22 Phoenix Ag Tætningsprofil til tunneludbygningessegmenter
CH687557A5 (de) * 1993-06-25 1996-12-31 Daetwyler Ag Schweizerische Kab Kontrolliert zusammendrueckbares Drucklager fuer Tuebbinge in einem Tuebbingring.
WO2020125827A1 (fr) 2018-12-21 2020-06-25 Besaplast-Kunststoffe Gmbh Bande de joint de dilatation et dispositif d'étanchéité destinés à assurer l'étanchéité durable et fiable de joints de dilatation entre des segments de tunnel
EP3670751B1 (fr) 2018-12-21 2024-05-01 BESAPLAST KUNSTSTOFFE GmbH Dispositif d'étanchéification des joints pouvant résister à des charges élevées

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178114A (en) * 1985-07-20 1987-02-04 Phoenix Ag Sealing profile for segments of tunnel tubing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3101332C2 (de) * 1981-01-17 1985-05-02 Phoenix Ag, 2100 Hamburg Gummiprofil zum Abdichten von Tunnelrohrsegmenten
EP0255600B1 (fr) * 1986-08-08 1991-01-30 Phoenix Aktiengesellschaft Profil d'étanchéité pour segments des tuyaux de tunnel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178114A (en) * 1985-07-20 1987-02-04 Phoenix Ag Sealing profile for segments of tunnel tubing

Also Published As

Publication number Publication date
DE58905382D1 (de) 1993-09-30
ES2045345T3 (es) 1994-01-16
EP0368174A1 (fr) 1990-05-16

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