EP1201876B1 - Dispositif de revêtement de tunnel - Google Patents

Dispositif de revêtement de tunnel Download PDF

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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
Application number
EP01402788A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1201876A1 (fr
Inventor
Jean Stéphane Didier
Philippe Autuori
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.)
Bouygues Travaux Publics SAS
Original Assignee
Bouygues Travaux Publics SAS
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 Bouygues Travaux Publics SAS filed Critical Bouygues Travaux Publics SAS
Publication of EP1201876A1 publication Critical patent/EP1201876A1/fr
Application granted granted Critical
Publication of EP1201876B1 publication Critical patent/EP1201876B1/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
    • E21D11/04—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)
  • Road Signs Or Road Markings (AREA)
  • Seal Device For Vehicle (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Die Bonding (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
EP01402788A 2000-10-30 2001-10-26 Dispositif de revêtement de tunnel Expired - Lifetime EP1201876B1 (fr)

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 (da)
AT (1) ATE267950T1 (da)
DE (1) DE60103476T2 (da)
DK (1) DK1201876T3 (da)
ES (1) ES2218352T3 (da)
FR (1) FR2816000B1 (da)
HK (1) HK1047153A1 (da)
PT (1) PT1201876E (da)
TR (1) TR200401588T4 (da)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
ES2218352T3 (es) 2004-11-16
FR2816000B1 (fr) 2003-03-07
DE60103476T2 (de) 2005-06-16
HK1047153A1 (zh) 2003-02-07
PT1201876E (pt) 2004-10-29
DE60103476D1 (de) 2004-07-01
DK1201876T3 (da) 2004-10-04
EP1201876A1 (fr) 2002-05-02
TR200401588T4 (tr) 2004-09-21
FR2816000A1 (fr) 2002-05-03
ATE267950T1 (de) 2004-06-15

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