EP0566711A1 - Schildschwanzdichtung. - Google Patents
Schildschwanzdichtung.Info
- Publication number
- EP0566711A1 EP0566711A1 EP92920860A EP92920860A EP0566711A1 EP 0566711 A1 EP0566711 A1 EP 0566711A1 EP 92920860 A EP92920860 A EP 92920860A EP 92920860 A EP92920860 A EP 92920860A EP 0566711 A1 EP0566711 A1 EP 0566711A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shield tail
- seal according
- tail seal
- sealing lip
- shield
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000013536 elastomeric material Substances 0.000 claims abstract description 3
- 238000005299 abrasion Methods 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract 1
- 230000005641 tunneling Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000011440 grout Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0635—Tail sealing means, e.g. used as end shuttering
Definitions
- the invention relates to a shield tail seal for tunneling shields, consisting of a base body made of elastomeric (rubber or rubber-toothed) material, which is essentially rectangular in the longitudinal direction
- running holding means which is arranged on a holder arranged on the shield tail (end part of the shield casing)
- Shield tail is an annular gap that leads outwards through the surrounding mountains or soil and inwards
- Shield and tunnel construction is done using a shield tail seal.
- the annular gap must be
- a generic shield tail seal is known from DE-C-32 06 927, which has been tried and tested, but with the problem of pressing under pressure
- the object of the invention is therefore to provide a tail seal which, even with such an overlap, prevents the grout 1 from reaching the area of the visual machine.
- Fig. 2 to 4 shield tail seals with a
- Fig. 5 is a Schi Idschwanzdi device with at least one outer sealing lip with a substantially finger-shaped cross-sectional shape
- Fig. 6 is a shield tail seal with a
- Fig. 1A shows the shield tunneling in tubbing construction (tubbing segments 1), in the areas I to V sealing profiles made of elastomeric material are used, which have a different basic structure depending on the application.
- I shield tail seal (Fig. 1B);
- Fig. 1B now shows the generic shield tail seal, the base body (2), which is inclined against the direction of advance (arrow direction) in
- the base body (2) of the shield tail seal (7) has a substantially rectangular cross section in the longitudinal direction.
- a holding means (8) which runs essentially centrally in this base body is fastened to a holder (10) arranged on the shield tail (9).
- a holder (10) arranged on the shield tail (9).
- the base body is formed with a sealing lug (12) which, in the operating state, resiliently presses against the outside (4) of the tunnel lining.
- the outer side (13) of the base body now has an outer sealing lip (14) in the upper region adjacent to the shield tail (9), which, viewed in cross section, is essentially triangular in shape.
- the outer sealing lip is equipped with a single channel (15), which also has an essentially triangular cross-sectional shape
- the wall thickness a of the leg (16) facing the shield tail (9) is greater than the wall thickness b of the leg (17) facing away from the shield tail.
- the nose (18) of the outer sealing lip (14) protrudes even in the installed state (shown here) beyond the outer surface (19) of the optic tail or optic jacket. This means that if there is an overlap (6),
- the nose (18) of the outer sealing lip (14) does not flap forward even with a compression pressure of up to 5 bar with a maximum overlap of 20 mm, i.e. in the direction of advance (arrow direction) to.
- Fig. 3 shows a Schi Idschwanzdi device (20), which also has a triangular-shaped outer sealing lip (21) seen in cross section, but which has a two-row arrangement of channels. There is the
- the row facing the base body (2) consists of three channels (24) which have an essentially circular cross-sectional shape.
- Channels (28) are substantially circular
- FIG. 5 now shows a shield tail seal (29) with an outer sealing lip (30), which is essentially finger-shaped in cross section and the like
- Nose (31) in the installed state protrudes beyond the outer surface (19) of the shield tail or optic coat.
- the base body (2) is expediently equipped with a further finger-shaped outer sealing lip (32), the nose (33) of which also protrudes beyond the outer surface (19) in the installed state.
- This additional outer sealing lip is provided in the transition area to the base body with a notch (34), which is located on the side facing away from the shield tail.
- Fig. 6 now shows the base body (2) with molded
- the essentially central holding means (8) is on the holder (10) arranged on the shield tail (9), for which there are different embodiments,
- the shield tail seal itself is interchangeably anchored by means of the screw system (35).
- the shield tail seal is now expediently equipped with a spring plate (36) on the side facing the tunnel lining (outer side 4)
- Shield jacket (37) is attached (e.g. screwed)
- Tunnel environment does not run uniformly, so that the overlap (6) in its gap distance e - with respect to the outer surface (19) of the shield tail or
- FIG. 7 is intended to illustrate a further expedient embodiment of the outer seal according to the invention using the shield tail seal (29) according to FIG. 5.
- the nose (31) of the outer sealing lip (30) is
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Building Environments (AREA)
- Buffer Packaging (AREA)
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
- Package Frames And Binding Bands (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4134433 | 1991-10-18 | ||
DE4134433 | 1991-10-18 | ||
PCT/DE1992/000860 WO1993008370A1 (de) | 1991-10-18 | 1992-10-10 | Schildschwanzdichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0566711A1 true EP0566711A1 (de) | 1993-10-27 |
EP0566711B1 EP0566711B1 (de) | 1995-08-09 |
Family
ID=6442919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92920860A Expired - Lifetime EP0566711B1 (de) | 1991-10-18 | 1992-10-10 | Schildschwanzdichtung |
Country Status (9)
Country | Link |
---|---|
US (1) | US5346331A (de) |
EP (1) | EP0566711B1 (de) |
JP (1) | JP2714484B2 (de) |
AT (1) | ATE126322T1 (de) |
DE (2) | DE4234264A1 (de) |
DK (1) | DK0566711T3 (de) |
ES (1) | ES2078062T3 (de) |
GR (1) | GR3017519T3 (de) |
WO (1) | WO1993008370A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20009460U1 (de) * | 2000-05-25 | 2001-10-04 | Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 41812 Erkelenz | Tunnelbohrmaschine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979920A (en) * | 1971-12-13 | 1976-09-14 | National Research Development Corporation | Sealing means |
FR2236371A5 (de) * | 1973-07-05 | 1975-01-31 | Dumez Travaux Publics | |
DE2646570C3 (de) * | 1976-10-15 | 1981-10-15 | Wayss & Freytag Ag, 6000 Frankfurt | Schildschwanzdichtung |
DE3206927C2 (de) * | 1982-02-26 | 1985-08-01 | Wayss & Freytag Ag, 6000 Frankfurt | Schildschwanzdichtung |
DE4031072C2 (de) * | 1989-10-04 | 1999-08-19 | Phoenix Ag | Schildschwanzdichtung |
-
1992
- 1992-10-10 AT AT92920860T patent/ATE126322T1/de not_active IP Right Cessation
- 1992-10-10 ES ES92920860T patent/ES2078062T3/es not_active Expired - Lifetime
- 1992-10-10 DE DE4234264A patent/DE4234264A1/de not_active Withdrawn
- 1992-10-10 US US08/030,373 patent/US5346331A/en not_active Expired - Fee Related
- 1992-10-10 JP JP5507342A patent/JP2714484B2/ja not_active Expired - Lifetime
- 1992-10-10 WO PCT/DE1992/000860 patent/WO1993008370A1/de active IP Right Grant
- 1992-10-10 DE DE59203233T patent/DE59203233D1/de not_active Expired - Fee Related
- 1992-10-10 EP EP92920860A patent/EP0566711B1/de not_active Expired - Lifetime
- 1992-10-10 DK DK92920860.1T patent/DK0566711T3/da active
-
1995
- 1995-09-26 GR GR950402637T patent/GR3017519T3/el unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9308370A1 * |
Also Published As
Publication number | Publication date |
---|---|
DK0566711T3 (da) | 1995-12-18 |
ES2078062T3 (es) | 1995-12-01 |
GR3017519T3 (en) | 1995-12-31 |
DE4234264A1 (de) | 1993-04-22 |
ATE126322T1 (de) | 1995-08-15 |
DE59203233D1 (de) | 1995-09-14 |
JP2714484B2 (ja) | 1998-02-16 |
EP0566711B1 (de) | 1995-08-09 |
US5346331A (en) | 1994-09-13 |
WO1993008370A1 (de) | 1993-04-29 |
JPH06503620A (ja) | 1994-04-21 |
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