EP1201876B1 - Dispositif de revêtement de tunnel - Google Patents
Dispositif de revêtement de tunnel Download PDFInfo
- Publication number
- EP1201876B1 EP1201876B1 EP01402788A EP01402788A EP1201876B1 EP 1201876 B1 EP1201876 B1 EP 1201876B1 EP 01402788 A EP01402788 A EP 01402788A EP 01402788 A EP01402788 A EP 01402788A EP 1201876 B1 EP1201876 B1 EP 1201876B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grooves
- radial
- rings
- ring
- means comprise
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 230000000295 complement effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000005755 formation reaction Methods 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
Definitions
- the present invention relates to the field of tunnel lining devices.
- the lining of a tunnel dug at the TBM is generally made up of circular rings placed one behind the other as the digging progresses (see US-A 4,397,583) (in fact after each digging phase, of the order of 1 to 2 meters long).
- Each ring is itself made up of several Prefabricated “segments” (each in the shape of a sector crown), which are assembled inside the TBM. As soon as a ring is thus mounted, it serves support thrust cylinders which allow the tunneling machine to continue its progress by digging the ground.
- the annular gap between the ring and the land is filled by injecting a product under pressure, so that the ring is immediately put in compression.
- this compression may possibly be replaced by one resulting from interaction with field.
- the longitudinal compression created by the thrust cylinders during the progress of the TBM can partially relax, especially due to creep of materials (concrete, seals, land) or withdrawal (water, even thermal) from concrete.
- Such transverse displacement which we seek to block, is shown schematically in Figure 1.
- Figure 1 On this one sees three rings, n-1, n and n + 1, juxtaposed longitudinally along an axis O-O.
- the two rings n-1 and N + 1 being centered on the axis O-O, while the ring n located between them undergoes a force F transverse to the axis O-O, which effort tends to center it relative to the O-O axis and to misalign it from the n-1 and n + 1 rings which surround.
- This blocking function is generally ensured by tenon and mortise systems between rings, arranged parallel to the circumference of the ring, as illustrated in figure 2.
- the present invention now aims to propose a new tunnel lining system with superior performance to devices known from the prior art.
- a tunnel lining device comprising ring-shaped retaining elements juxtaposed, characterized in that it comprises, at level of the flanks opposite the juxtaposed rings, means ensuring blocking in the peripheral direction, with freedom of radial or quasi-radial movement.
- the locking means comprise radially oriented grooves.
- the locking means comprise. radially oriented pins, complementary in their peripheral extension, of grooves intended to be placed opposite.
- the locking means comprise inserts intended to be inserted into grooves radial orientation formed in the opposite flanks rings.
- the longitudinal width L1, the radial thickness e, the angular opening OA of the two segments 10,20 shown in FIG. 3, are purely illustrative, as an example, and should in no way be considered to be limiting, including as to their report.
- the sides 12, 22, 16 and 26 correspond to the faces segments 10.20 oriented perpendicular to the axis O-O of the rings.
- the studs 18,28 are intended to penetrate into a radial groove, 14,24, placed opposite. As such, the tenons 18.28 are complementary, in their direction peripheral, gorges 14.24.
- the tenons 18.28 engaged in the 14.24 grooves preserve freedom of movement between the segments 10,20 adjacent in the radial direction.
- peripheral extension of let us hold 18.28 is complementary, that is to say equal to close clearance required for engagement and tolerances of execution and assembly, of the peripheral extension gorges 14.24.
- the length of the grooves 14.24 is adapted so as not to apply constraints limiting the radial displacement of the studs 18.28.
- the gorges 14.24 can lead to one side, or even on the two periphery faces radially internal and radially external respectively 11, 13, 21, 23 of segments 10,20.
- the grooves 14, 24 can be closed at their radially inner and radially outer end.
- the length of the groove 14.24, in the radial direction must be greater than the length corresponding to tenons 18, 28.
- both tenons 18.28 as complementary grooves 14.24 can be straight as shown in Figure 3.
- these sides can however be curved, for example convex or concave, or even polygonal, as shown in Figure 7.
- flanks of the tenons 18,28 and grooves 14.24 can be located in a radial plane passing through the OO axis of the rings as illustrated in the figure 5 or, on the contrary, inclined with respect to a plane radial, as illustrated in Figure 4.
- the radial ends of the tenons 18,28 and the 14.24 grooves can take different geometries.
- blocking in the peripheral direction with freedom of radial movement between two segments adjacent, 10.20 can be obtained using inserts 30 designed to be inserted into grooves 14.24 radial orientation formed in the facing flanks segments or rings.
- Such inserts can take many geometries.
- They can be set up either at the manufacturing segments, either during assembly or after assembly of rings.
- the inserts can be replaced by injections of material.
- the device according to the present invention does not guarantee long-term efficiency elsewhere.
- the clearance required for conforming locking means to the present invention can be globally determined as a result.
- R + ⁇ R the amplitude of ovalization of a elliptical ring, in the horizontal direction and R - ⁇ R the amplitude of ovalization in the direction vertical.
- a "radial" seal conforming to the present invention must have a game (in the tangential direction) equal to e ⁇ R / R or e denotes the thickness of the coating.
- a blocking system classic such as a parallel mortise tenon system to the circle must offer a clearance of at least ⁇ R so as not to induce real problems with the installation.
- the seal can either pass through of the system, either go outside (lower surface side or upper surface) if, as mentioned above, the slide radial formed in the context of the present invention is limited to part of the thickness of the segment.
- the number of locking devices conforming to the invention fitted to each segment can be arbitrary (even zero on some segments making up the ring) the bottom line being that regardless of the direction of the transverse stress between rings, there are enough to oppose the slide from a certain threshold.
- the number and position of the grooves on each segment must be such that the number of facing grooves is sufficient, and this for all permitted positions for installation.
- the radial nature of the grooves 14, 24 makes that under a solicitation tending to drag a ring against the other, the stop constraints which result in concrete, are tangential, not radial as in the case of the classic design as shown in fig. 2. moreover, the sides of the throat according to the present invention can be reinforced more easily than in the design classic. As a result, the final strength is more significant, and the risks of concrete bursting are less in the context of the invention.
- the present invention thus makes it possible to reinforce very notably the keeping of the segments.
- the present invention applies also in case the grooves 14.24 and the lugs 18.28 are not oriented in a strictly direction radial, but only in an almost radial direction.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Seal Device For Vehicle (AREA)
- Road Signs Or Road Markings (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Die Bonding (AREA)
Description
- la figure 1 précédemment décrite représente schématiquement une vue en coupe longitudinale de trois anneaux juxtaposés selon l'état de la technique,
- la figure 2 également précédemment décrite représente une vue schématique en perspective éclatée de deux voussoirs destinés à être associés, comportant chacun, respectivement sur leur face, une mortaise et un tenon périphériques, conformément à l'état de la technique.
- la figure 3 représente une vue schématique en perspective de deux voussoirs conformes à la présente invention destinés à être associés,
- les figures 4 et 5 représentent deux variantes de réalisation de moyens de blocage conformes à la présente invention, selon un plan de coupe périphérique ou tangentiel tel que schématisé sous la référence IV-IV sur la figure 3,
- la figure 6 représente une vue en coupe radiale, selon le plan de coupe référencé VI-VI sur la figure 3, de moyens de blocage conformes à la présente invention,
- la figure 7 représente une vue en perspective d'un voussoir conforme à une variante de l'invention,
- la figure 8 représente une vue schématique en coupe périphérique ou tangentielle similaire au plan de coupe IV-IV, d'une autre variante de réalisation conforme à la présente invention.
Claims (10)
- Dispositif de revêtement de tunnel, comprenant des éléments de soutènement en forme d'anneaux juxtaposés, caractérisé par le fait qu'il comprend au niveau des flancs en regard (12,16,22,26) des anneaux juxtaposés, des moyens (14,24,18,28,30) assurant un blocage en direction périphérique avec liberté de déplacement radial,
- Dispositif selon la revendication 1, caractérisé par le fait que les moyens de blocage comprennent des gorges (14,24) orientées radialement.
- Dispositif selon l'une des revendications 1 ou 2, caractérisé par le fait que les moyens de blocage comprennent des tenons (18,28) orientés radialement, complémentaires dans leur direction périphérique de gorges (14,24) destinés à être placées en regard.
- Dispositif selon l'une des revendications 1 à 3, caractérisé par le fait que les moyens de blocage comprennent des inserts (30) destinés à être engagés dans des gorges d'orientation radiale (14,24) formées dans les flancs en regard des anneaux.
- Dispositif selon l'une des revendications 1 à 3, caractérisé par le fait que les moyens de blocage comprennent des injections de matière dans des gorges d'orientation radiale (14,24) formées dans les flancs en regard des anneaux.
- Dispositif selon l'une des revendications 1 à 5, caractérisé par le fait que les moyens de blocage comprennent des gorges (14,24) qui débouchent au moins sur une extrémité radiale des anneaux.
- Dispositif selon l'une des revendications 1 à 6 caractérisé par le fait que les moyens de blocage comprennent des gorges 14,24 qui sont obturées au moins sur une extrémité radiale des anneaux.
- Dispositif selon l'une des revendications 1 à 5 et 7, caractérisé en ce que les moyens de blocage comprennent des gorges (14,24) obturées sur leurs deux extrémités, respectivement radialement externe et radialement interne.
- Dispositif selon l'une des revendications 1 à 8, caractérisé par le fait qu'il comprend plusieurs moyens de blocage en direction périphérique avec liberté de déplacement radial sur chaque voussoir (10,20) destiné à constituer un anneau.
- Dispositif selon l'une des revendications 1 à 9, caractérisé par le fait qu'il comprend au moins un voussoir (10,20) exempt de blocage.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0013919A FR2816000B1 (fr) | 2000-10-30 | 2000-10-30 | Dispositif de revetement de tunnel |
FR0013919 | 2000-10-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1201876A1 EP1201876A1 (fr) | 2002-05-02 |
EP1201876B1 true EP1201876B1 (fr) | 2004-05-26 |
Family
ID=8855898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01402788A Expired - Lifetime EP1201876B1 (fr) | 2000-10-30 | 2001-10-26 | Dispositif de revêtement de tunnel |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1201876B1 (fr) |
AT (1) | ATE267950T1 (fr) |
DE (1) | DE60103476T2 (fr) |
DK (1) | DK1201876T3 (fr) |
ES (1) | ES2218352T3 (fr) |
FR (1) | FR2816000B1 (fr) |
HK (1) | HK1047153A1 (fr) |
PT (1) | PT1201876E (fr) |
TR (1) | TR200401588T4 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1385197A (en) * | 1971-07-03 | 1975-02-26 | Spiroll Corp Ltd | Tunnels |
GB2004931B (en) * | 1977-08-16 | 1982-05-06 | Charcon Tunnels Ltd | Wall segments |
DE3218517C2 (de) * | 1982-05-17 | 1984-03-01 | Philipp Holzmann Ag, 6000 Frankfurt | Tübbingausbau für Tunnels, Stollen o.dgl. und Meßgerät zur Überprüfung der Fugenbreite eines derartigen Tübbingausbaues |
-
2000
- 2000-10-30 FR FR0013919A patent/FR2816000B1/fr not_active Expired - Fee Related
-
2001
- 2001-10-26 PT PT01402788T patent/PT1201876E/pt unknown
- 2001-10-26 DK DK01402788T patent/DK1201876T3/da active
- 2001-10-26 EP EP01402788A patent/EP1201876B1/fr not_active Expired - Lifetime
- 2001-10-26 ES ES01402788T patent/ES2218352T3/es not_active Expired - Lifetime
- 2001-10-26 TR TR2004/01588T patent/TR200401588T4/xx unknown
- 2001-10-26 DE DE60103476T patent/DE60103476T2/de not_active Expired - Lifetime
- 2001-10-26 AT AT01402788T patent/ATE267950T1/de active
-
2002
- 2002-10-31 HK HK02107936.0A patent/HK1047153A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
ES2218352T3 (es) | 2004-11-16 |
FR2816000A1 (fr) | 2002-05-03 |
ATE267950T1 (de) | 2004-06-15 |
PT1201876E (pt) | 2004-10-29 |
EP1201876A1 (fr) | 2002-05-02 |
TR200401588T4 (tr) | 2004-09-21 |
DK1201876T3 (da) | 2004-10-04 |
DE60103476T2 (de) | 2005-06-16 |
HK1047153A1 (zh) | 2003-02-07 |
FR2816000B1 (fr) | 2003-03-07 |
DE60103476D1 (de) | 2004-07-01 |
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