EP0441250B1 - 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
EP0441250B1
EP0441250B1 EP91101335A EP91101335A EP0441250B1 EP 0441250 B1 EP0441250 B1 EP 0441250B1 EP 91101335 A EP91101335 A EP 91101335A EP 91101335 A EP91101335 A EP 91101335A EP 0441250 B1 EP0441250 B1 EP 0441250B1
Authority
EP
European Patent Office
Prior art keywords
profile
channels
sealing
row
webs
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
EP91101335A
Other languages
German (de)
English (en)
Other versions
EP0441250A1 (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
Publication of EP0441250A1 publication Critical patent/EP0441250A1/fr
Application granted granted Critical
Publication of EP0441250B1 publication Critical patent/EP0441250B1/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

Definitions

  • the invention relates to a sealing profile made of elastomeric material for tunnel segments provided with a circumferential groove, the groove grooves running in the longitudinal direction on its base side, also channels running in the longitudinal direction, which are arranged in several rows, in particular in two rows, and side flanks after the insertion of the profile have no segment contact (in the unloaded state) in the groove.
  • 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, ie 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.
  • the gap distance between two tunnel segments decreases from s o (distance in the unloaded state) to S1 (distance in the loaded state).
  • S1 distance in the loaded state
  • the first sealing profile for tunnel segments was developed in 1968 for the Elbe tunnel in Hamburg, whereby the elastomer profile had four groove grooves.
  • the tunnel project, in which sealing profiles were used consisted of cast iron segments (World Tunneling, 12/1989, page 459, Fig. 6).
  • the sealing profiles developed for this were mostly structured with groove grooves and channels (DE-U-78 22 476, DE-C-28 33 345, GB-B-2 178 114, EP-A-0 255 600, EP-A-0 306 796, EP-A-0 368 174, EP-A-0 414 137).
  • the object of the invention is therefore to develop sealing profiles that meet the highest requirements. This object is surprisingly achieved by a profile structure according to the characterizing part of claim 1.
  • Fig. 1 shows the gap (1) (longitudinal or transverse gap) of two adjacent tunnel segments (2, 3) made of concrete, which are each provided with a groove (4, 5) (groove depth d, groove width w). Appropriate sealing profiles are now inserted into these grooves. The actual sealing of the gap (1) takes place by compressing the opposing elastomer profiles, the gap distance being reduced from S o to S1. When building tunnels, it must be taken into account that the segments (2, 3) are arranged at an offset X to one another. This tunnel-specific criterion must always be taken into account in leak tests.
  • Fig. 2 shows a sealing profile according to GB-B-2 182 987 or EP-A-0 222 968 with a base width v ( ⁇ joint width w) and the height h, wherein the circular channels seen in cross section offset to form a lattice structure are arranged.
  • This lattice structure is illustrated schematically by the lines from center to center of the channels.
  • This structural principle is also the basis of the sealing profiles according to FIGS. 3 to 5, which essentially only have a different shape of the channels.
  • Table 1 now summarizes the results of experimental leak tests under tunnel-specific criteria.
  • the average sealing performance is 4 bar, which in many tunnel projects, especially in Great Britain, meets the sealing requirements.
  • the different shapes and sizes of the channels have no significant influence on the sealing performance. Benford's statement (Construction Today, 5/1990, page 15) that different configurations and sizes of the channels with the same basic structure (ie lattice structure) have a significant influence on the level of sealing performance is hereby refuted.
  • the sealing performance can be improved, however, if the hardness in Shore A is increased from 65 ° to 70 °. However, there are limits to increasing the Shore hardness in order to improve the sealing performance, otherwise there may be chipping on the concrete segments.
  • FIG. 6 now shows a sealing profile (6) with a two-row arrangement of channels (10, 11, 12, 13, 14, 15), with all channels in each row directly (ie without offset) above the groove grooves (7, 8, 9 ) are arranged, to form webs (lines A, B), which run straight and continuously from the profile base side (16) to the profile back (17). All the webs (A, B) are arranged perpendicular to the profile base side (16) or parallel to the longitudinal center plane Y, similar to the build-up principle according to EP-A-0 306 796.
  • the channels are essentially semicircular in cross-section, whereby the arcuate part (18, 19) of the channels is directed towards one another.
  • the centrally arranged side flanks (20, 20 ') and the side flanks (21, 21') facing the profile back (17) merge into one another with a change in angle.
  • the groove grooves (23, 24, 25) and channels (26, 27, 28, 29, 30, 31) are based on the following structural principle, forming webs (lines A, B): While the webs (B) arranged in the profile center run perpendicular to the profile base side (32), the outer webs (A) are directed obliquely to the profile center, namely at an angle ⁇ of 10 ⁇ 3 ° (in relation to the longitudinal center plane Y). Furthermore, the sealing profile has additional webs (lines C), which are at an angle ⁇ of 45 ⁇ 5 ° (in relation to the longitudinal center plane Y) with simultaneous tangency of the side flank (33, 33 ') and the channels (26, 29, 30; 28 , 30, 31) towards the center of the profile.
  • the channels (27, 30) in the profile center are essentially semicircular in shape when viewed in cross section, the arcuate part (36, 37) these channels are arranged to each other.
  • the cross-sections of the channels located above the outer groove grooves (23, 25) are asymmetrical (channels 26, 28 of the first row) or circular in shape (channels 29, 31 of the second row).
  • the centrally arranged side flanks (33, 33 ') and the side flanks (34, 34') facing the profile back (35) merge into one another with a change in angle.
  • FIGS. 6 and 7 Table 2 now summarizes the results of experimental leak tests under tunnel-specific criteria. It should be noted that the sealing profile according to the invention (FIG. 7) has a significantly higher sealing performance than the profile types according to FIGS. 2 to 6. This is particularly evident when comparing the sealing profiles according to FIGS. 3 and 7 (Table 3).
  • the sealing profile (Fig. 7) in connection with the web system (A, B, C) and a hardness in Shore A of 70 ° is characterized by a particularly high sealing performance of 26 bar.
  • FIG. 7 deals exclusively with a sealing profile with open groove grooves
  • the structural principle according to the invention of the two-row arrangement of the channels is also applicable to profiles with completely or partially closed groove grooves (GB-A-2 017 194).

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)
  • Sealing Material Composition (AREA)
  • Road Signs Or Road Markings (AREA)
  • Gasket Seals (AREA)

Claims (9)

  1. Joint d'étanchéité profilé (22) en matière élastomère pour des voussoirs (2, 3) présentant une gorge périphérique (4, 5), lequel joint présente
    a) sur son côté de base (32), des rainures (23, 24, 25) s'étendant en direction longitudinale,
    b) des canaux (26 à 31) qui s'étendent également en direction longitudinale et qui sont disposés en plusieurs rangées, en particulier en deux rangées, ainsi que
    c) des flancs latéraux (33, 33', 34, 34') qui, après l'insertion du joint profilé dans la gorge (4, 5), ne sont pas en contact avec le voussoir (à l'état non chargé),
    caractérisé en ce que
    d) dans chaque rangée, tous les canaux (26, 27, 28; 29, 30, 31) sont disposés directement (c'est-à-dire sans décalage) au-dessus des rainures (23, 24, 25), et cela avec formation d'âmes ou nervures (tracés A, B) qui s'étendent en ligne droite et sans interruption depuis le côté de base (32) du joint profilé jusqu'au dos (35) de celui-ci, les âmes (B) situées au milieu du joint profilé s'étendant perpendiculairement au côté de base (32) du joint profilé, tandis que les âmes externes (A) sont dirigées obliquement par rapport à l'axe médian du joint profilé (plan médian longitudinal Y); ainsi qu'avec formation d'âmes additionnelles (tracés C) qui sont dirigées obliquement par rapport à l'axe médian du joint profilé, et cela tangentiellement aux flancs latéraux (33, 33') et aux canaux (26, 29, 30; 28, 30, 31).
  2. Joint d'étanchéité profilé selon la revendication 1, caractérisé en ce qu'il y a le même nombre de canaux dans chaque rangée.
  3. Joint d'étanchéité profilé selon la revendication 2, caractérisé en ce que le nombre des canaux est dans le rapport 2 : 1 à celui des rainures.
  4. Joint d'étanchéité profilé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les âmes externes (A) s'étendent vers le milieu du joint profilé sous un angle α de 10 ± 3° (par rapport au plan médian longitudinal Y).
  5. Joint d'étanchéité profilé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les âmes (C) s'étendent vers le milieu du joint profilé sous un angle β de 45 ± 5° (par rapport au plan médian longitudinal Y).
  6. Joint d'étanchéité profilé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les canaux (26, 27, 28) de la première rangée (à partir du côté de base 32 du joint profilé) présentent, en coupe transversale, une forme (configuration et/ou grandeur) différente de celle des canaux (29, 30, 31) de la deuxième rangée.
  7. Joint d'étanchéité profilé selon la revendication 6, caractérisé en ce que les canaux (27, 30) situés au milieu du joint profilé ont une forme essentiellement demi-circulaire en coupe transversale, les parties en arc de cercle (36, 37) de ces canaux étant dirigées l'une vers l'autre, et en ce que les canaux situés au-dessus des rainures externes (23, 25) ont, en coupe transversale, une forme asymétrique (canaux 26, 28 de la première rangée) ou une forme circulaire (canaux 29, 31 de la deuxième rangée).
  8. Joint d'étanchéité profilé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les flancs latéraux (33, 33') situés au milieu et les flancs latéraux (34, 34') situés du côté du dos (35) du joint profilé se font suite avec un changement d'angle.
  9. Joint d'étanchéité profilé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que sa dureté Shore A s'élève à 70 ± 5°.
EP91101335A 1990-02-07 1991-02-01 Joint d'étanchéité pour segments de revêtement de tunnels Expired - Lifetime EP0441250B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4003583 1990-02-07
DE4003583 1990-02-07
DE4004347 1990-02-13
DE4004347 1990-02-13

Publications (2)

Publication Number Publication Date
EP0441250A1 EP0441250A1 (fr) 1991-08-14
EP0441250B1 true EP0441250B1 (fr) 1994-04-20

Family

ID=25889832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101335A Expired - Lifetime EP0441250B1 (fr) 1990-02-07 1991-02-01 Joint d'étanchéité pour segments de revêtement de tunnels

Country Status (5)

Country Link
EP (1) EP0441250B1 (fr)
AT (1) ATE104743T1 (fr)
DE (2) DE59101409D1 (fr)
DK (1) DK0441250T3 (fr)
ES (1) ES2056503T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009015232A1 (de) * 2009-04-01 2010-10-07 Phoenix Dichtungstechnik Gmbh Dichtanordnung für Schacht- und Tunnelbauten

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59203893D1 (de) 1991-09-21 1995-11-09 Phoenix Ag Dichtungsprofil für Tunnelausbausegmente.
DE59406995D1 (de) * 1993-01-14 1998-11-05 Phoenix Ag Dichtungsprofil für tunnelrohrsegmente, insbesondere für einschwimmelemente
JP2002510368A (ja) 1997-07-08 2002-04-02 フェニックス アクチエンゲゼルシャフト トンネルセグメント用のシール構成
DE19817429A1 (de) 1998-04-20 1999-10-21 Hochtief Ag Hoch Tiefbauten Vorrichtung und Verfahren zur lagestabilen Befestigung eines Dichtungselementes an einer Schalung
EP1302626B1 (fr) 2001-10-11 2005-12-07 Dätwyler AG Schweizerische Kabel-, Gummi- und Kunststoffwerke Joint d'étanchéité pour segments de tunnel
EP1723309B1 (fr) * 2004-03-11 2012-06-20 Phoenix Dichtungstechnik GmbH Ensemble d'etancheite
DE102009056063A1 (de) 2009-11-30 2011-07-14 Phoenix Dichtungstechnik GmbH, 99880 Dichtanordnung für Schacht- und Tunnelbauten
CN106050275B (zh) * 2016-07-13 2018-10-26 同济大学 一种盾构隧道管片螺栓孔密封防水装置
DE102016121452B4 (de) * 2016-11-09 2019-09-19 CTS Cordes tubes & seals GmbH & Co. KG Dichtungsprofil, und damit ausgestattete Dichtungsanordnung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540494A1 (de) * 1985-11-15 1987-05-21 Phoenix Ag Dichtungsprofil fuer segmente von tunnelroehren
GB2209568B (en) * 1987-09-05 1991-10-23 Phoenix Ag Sealing profile for tunnel segments
CH677262A5 (fr) * 1987-12-15 1991-04-30 Phoenix Ag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009015232A1 (de) * 2009-04-01 2010-10-07 Phoenix Dichtungstechnik Gmbh Dichtanordnung für Schacht- und Tunnelbauten

Also Published As

Publication number Publication date
DE4103089A1 (de) 1991-08-08
DK0441250T3 (da) 1994-07-25
EP0441250A1 (fr) 1991-08-14
ATE104743T1 (de) 1994-05-15
ES2056503T3 (es) 1994-10-01
DE59101409D1 (de) 1994-05-26

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