EP1355039B1 - Procédé pour la construction de chambres libres allongées entre deux segments d'un tunnel - Google Patents

Procédé pour la construction de chambres libres allongées entre deux segments d'un tunnel Download PDF

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Publication number
EP1355039B1
EP1355039B1 EP02008905A EP02008905A EP1355039B1 EP 1355039 B1 EP1355039 B1 EP 1355039B1 EP 02008905 A EP02008905 A EP 02008905A EP 02008905 A EP02008905 A EP 02008905A EP 1355039 B1 EP1355039 B1 EP 1355039B1
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EP
European Patent Office
Prior art keywords
tunnel
tubbing
region
central region
icing
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
EP02008905A
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German (de)
English (en)
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EP1355039A1 (fr
Inventor
Johannes Dipl.-Ing. Dahl
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Hochtief AG
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Hochtief AG
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Publication date
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Priority to EP02008905A priority Critical patent/EP1355039B1/fr
Priority to DE50205983T priority patent/DE50205983D1/de
Priority to AT02008905T priority patent/ATE319915T1/de
Publication of EP1355039A1 publication Critical patent/EP1355039A1/fr
Application granted granted Critical
Publication of EP1355039B1 publication Critical patent/EP1355039B1/fr
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D13/00—Large underground chambers; Methods or apparatus for making them
    • 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
    • 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
    • E21D9/008—Driving transverse tunnels starting from existing tunnels
    • 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
    • E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings

Definitions

  • the invention relates to a method for creating an elongated space between two tunnel tubes.
  • the tunnel tubes are used in particular as subway lines. They are usually produced in shield tunneling with segmental lining.
  • the elongated space between the two tunnel tubes is intended in particular for a central platform.
  • the elongated space can also accommodate special areas such as track changing areas or switch areas or parking facilities, which are to be arranged between the two tunnel tubes.
  • the term free space does not exclude in the context of the invention that support means are provided which support the ceiling of the free space.
  • a method of the type mentioned is known, with which an elongated space for a station or for a central platform between two tunnel tubes is created.
  • the two tunnel tubes in the station area are initially created with a relatively small diameter, which corresponds to the diameter of the tunnel tubes outside the station areas and special areas. In the station area, the diameter of the tunnel tubes is usually widened.
  • the two tunnel tubes with a small diameter are initially provided with a segmental lining in this known method in the station area. Subsequently, an icing of the surrounding floor areas takes place in the longitudinal direction of the tunnel tubes.
  • icebeams are created which are parallel to the tunnels and at some distance from run the tunnel tubes, said icing columns surrounding the circumference of the tunnel tubes and are also arranged in the central region between the two tunnel tubes.
  • These icing columns are usually produced by head pits along the outer contour of the tunnel tubes and the planned center platform.
  • the tunnel tubes are then widened to the diameter required in the station area and indeed to the vicinity of the icing columns.
  • the tubbing construction previously created must be broken off again and the widened cavity secured with shotcrete.
  • a partial inner shell is made with support.
  • the central area is opened or raised by the two tunnel tubes.
  • the medium-range shotcrete securing the individual tubes must be successively stopped.
  • the existing icing columns in the middle area between the two tunnel tubes also have to be dismantled.
  • the known method is characterized by very complex and costly work steps. Above all, a complex icing of large or wide ground areas is necessary.
  • the type of icing described above leaves something to be desired in terms of their functional reliability, and not infrequently undesirable and problematic imperfections in the icing occur. Therefore, this known method for less stable mountains rather unsuitable.
  • two are formed in the central region between the tunnel tubes create opposite slot walls extending vertically from a near-surface area past the tunnel tubes. Between these slot walls, a deep excavation pit is then excavated. From the excavation, a connection to the two tunnel tubes is made, thus creating the space between the two tunnel tubes. Again, extensive icing is required to secure the cavity to be created for the connection.
  • the invention the technical problem of providing a method of the type mentioned above, with the simple, inexpensive and cost-effective manner and nonetheless functionally reliable and trouble-free, an elongated space between two tunnel tubes can be created.
  • the invention is in particular the technical problem of specifying such a method, which is particularly suitable for less stable mountains.
  • the invention teaches a method for creating an elongate clearance between two tunnel tubes, initially driving two parallel tunnel tubes separated by a central area, then solidifying devices are introduced across the tunnel tubes between the tunnel tubes, wherein with the solidification means a roof vault area is solidified above the still unopened central area and thereafter, under the solidified roof vault area, the central area is opened. It is within the scope of the invention that the central area under the solidified roof arch area is opened laterally from at least one tunnel tube. Preferably, the central region is opened laterally from both tunnel tubes. It is also within the scope of the invention that the central region is opened only after the solidification of the sole region described in more detail below. - The tunnel tubes are used in particular for receiving subway lines.
  • the solidification devices above the central region in the soil or in the mountains between the tunnel tubes are introduced to subsequently bring about the solidification of the roof vault area. It is within the scope of the invention that the solidification devices are introduced from at least one of the two tunnel tubes in the ground or in the mountains between the tunnel tubes. According to one embodiment of the invention, the hardening devices are introduced perpendicular to or substantially perpendicular to the longitudinal direction of the tunnel tubes into the ground or into the mountain between the tunnel tubes, because the hardening devices are introduced transversely to the tunnel tubes.
  • the solidification devices are introduced at an angle of 45 ° to 90 ° with respect to the tunnel longitudinal direction or tunnel longitudinal axis of one of the two tunnel tubes in the soil or mountains between the tunnel tubes.
  • the measures according to the invention, in which the solidification devices are introduced transversely to the tunnel tubes and in which the solidification of a vault area, are hereinafter also referred to as cross-solidification.
  • Solidification of the roof vault area means in the context of the invention, in particular, that a floor area is solidified above the middle area, which covers the entire central area between the tunnel tubes.
  • the consolidated roof vault area adjoins one tunnel tube and then roofs the entire central area up to the other adjacent tunnel tube.
  • the roof vault area preferably has the shape of a saddle roof or the shape of a vault in cross section.
  • a section of the central area can also be opened from a head pit and, from this head pit, solidification, preferably icing, takes place in the longitudinal direction of the tunnel tubes (longitudinal solidification or longitudinal icing).
  • the section treated with the longitudinal consolidation then expediently lies between the head pit and an opened mid-section section produced by means of the cross-solidification according to the invention.
  • a section of the middle region it is still basically it is possible for a section of the middle region to be treated with a longitudinal consolidation to lie between two open central region sections produced by the cross-solidification according to the invention, and that this section is opened after longitudinal hardening by one of the middle section sections opened according to the invention.
  • the sections described above which are subjected to longitudinal consolidation are always substantially shorter central region sections than the sections which are produced according to the methods known from the prior art described at the outset using longitudinal icing.
  • the elongated clearance connects both tunnel tubes and is open to each of the two tunnel tubes.
  • the term free space does not exclude that between the two tunnel tubes support means are provided which support the ceiling of the free space.
  • Elongated free space in the context of the invention further means that the free space extends over a greater distance along the tunnel tubes and indeed, preferably over at least 30 m, preferably over at least 50 m, very preferably over at least 90 m along the two tunnel tubes.
  • a middle platform for an underground station between the two tunnel tubes is created in the elongated space.
  • the elongated space can also be provided for different special areas between the two tunnel tubes. So in the Free space track change areas or switch areas are provided or parking facilities.
  • Two parallel tunnel tubes in the context of the invention also means essentially parallel adjacent tunnel tubes.
  • the two tunnel tubes can therefore also deviate from the exactly parallel arrangement.
  • the fact that the central area is still unopened means within the scope of the invention that the central area before opening still consists of soil material or mountains. It is, moreover, within the scope of the invention that the central region between the two tunnel tubes remains slit-wall-free during the implementation of the method. In the middle region between the two tunnel tubes, therefore, preferably no slot walls are introduced.
  • the two tunnel tubes are produced in the field of clearance in shield tunneling directly with their final diameter.
  • the two tunnel tubes already have their required diameter in the area of the free space, for example in the station area, after they have been driven up. This required in the region of the free space diameter is usually greater than the diameter of the remaining areas of the tunnel tubes.
  • the two tunnel tubes are therefore preferably already produced with their final expansion.
  • the creation of the tunnel tubes is expediently carried out in shield tunneling with segmental lining. In this case, a tunnel tube is lined in the tunnel longitudinal direction successively arranged tubbing rings.
  • Each tubbing ring consists of a plurality of distributed over the circumference of the tubbing ring individual tubbing, which thus form as it were circumferential segments of a tubbing ring.
  • the tunnel tubes are thus each provided with a tubbing shell and it is expediently supported the tubbing shell of a tunnel tube with central region-side support elements.
  • the middle area side means that the support elements are arranged in the half of the tunnel tube or the corresponding tubbing ring facing the middle area.
  • Support member means in particular a linear support member which is arranged vertically in the tunnel tube.
  • a plurality of support elements in the longitudinal direction of the tunnel tube are arranged one behind the other. These may be temporary support elements that are later removed or support elements that remain in the tunnel tubes.
  • At least one special tubbing is incorporated into a tubbing ring of the tubule shell, which has a tubing cylinder-shaped basic body for fitting into a tubbing ring and which special tubbing cylinder barrel inside a connecting element for connecting at least one tunnel inside to be arranged support member for supporting the tubbing shell.
  • This support element is, in particular, an above-described middle area-side support element. It is within the scope of the invention that the connecting element protrudes inside the cylinder barrel from the base body.
  • a special tubbing is described in EP 1 170 461 A1.
  • the invention includes a tubbing ring at least two such special tubbings, wherein a special tubbing is provided in the upper ring half of the tubbing ring and the second special tubbing in the lower ring half of the tubbing ring, both Spezialtübbings are connected by a connected to their connecting elements support element and wherein between the two Spezialtübbings is provided on at least one side of the tubbing ring at least a Temporärtübbing, which is subsequently removable.
  • at least one Temporärtübbing is installed in a tubbing ring of the tubbing shell in the middle area, which Temporärtübbing can be subsequently removed.
  • the at least one Temporärtübbing is expediently expanded after the solidification of the arched areas and before the opening of the central area.
  • the roof vault area is solidified by temporary Bodenvereisung.
  • icing lances or frozen lances are introduced as solidification devices transversely to the tunnel tube in the ground or in the mountains between the tunnel tubes.
  • transverse borings for the ice lances or so-called transverse icing are used here, while the measures known from the prior art work with longitudinal icing.
  • Longitudinal icing means the production of icing columns that run parallel to the tunnels.
  • icing columns are produced which are transverse to the tunnel tubes are arranged and complement each other to the roof vault area.
  • a plurality or plurality of icing columns are expediently arranged one behind the other in the longitudinal direction of the tunnel tubes.
  • at least two icing columns or at least two layers of icing columns are arranged one above the other in the iced roof vault area in the vertical direction.
  • the icing column also means the elongated icing area which can be produced with an icing lance or freezing lance.
  • the solidification by cross-icing according to the invention has proven to be quite outstanding especially for less stable mountains. The cross-icing can be carried out reliably and effectively without disturbing and unwanted defects.
  • a solid injection may be carried out to solidify the roof vault area.
  • the solid injection carried out instead of icing is expediently carried out with a cement.
  • injection lances are preferably used here.
  • transverse bores are provided transversely to the tunnel tubes for the solid injections according to the invention. This results in injection bodies that are oriented transversely to the tunnel tubes and complement each other to the roof vault area. It is within the scope of the invention that the solidifications can be realized by high-pressure injections.
  • a sole region below the central region between the Both tunnel tubes also solidified and the central area is opened only after solidification of this Sohl Kunststoffes.
  • the solidification devices are expediently introduced transversely to the tunnel tubes in the soil or in the mountains between the tunnel tubes. Again, the introduction of the solidification devices preferably takes place from at least one of the two tunnel tubes.
  • the solidification of the sole region is also carried out by a temporary ground freezing of the sole region according to a very preferred embodiment of the invention.
  • icing lances are introduced transversely to the tunnel tubes below the central area in the mountains. This creates icing columns which are oriented transversely to the tunnel tubes and complement each other to the icy sole area.
  • a plurality or a plurality of icing columns are expediently arranged one behind the other in the longitudinal direction of the tunnel tubes.
  • at least two icing columns or at least two layers of icing columns are arranged one above the other in the bottom region in the vertical direction.
  • the solidified, preferably iced sole region has in cross section preferably a V-shape (inverted gable roof) or a U-shape.
  • the solidification by icing is also suitable for the bottom area, especially in less stable mountains.
  • the elongate space is completed in sections, so that the solidification or freezing done in sections and the middle area sections is opened laterally from at least one of the two tunnel tubes or preferably from both tunnel tubes.
  • this opening of the central region is advantageously carried out a support by steel elements or by a steel frame.
  • a tightness test of certain areas or sections of the central area is easily possible. Namely, by both the roof vault portion and the sole portion of the portion to be checked is frozen and further a head portion and an end portion of the portion to be examined is iced, a completed by the icing section can be achieved, which can be reliably checked for its tightness and driven up ,
  • the opened center region is secured with a top shotcrete shell.
  • the shotcrete shell is conveniently located below the solidified roof arch area and preferably extends from one tunnel tube to the other adjacent tunnel tube.
  • the opened center region is secured with a bottom shotcrete shell, which is preferably located above the solidified bottom region and expediently extends from one tunnel tube to the other adjacent tunnel tube. It is within the scope of the invention that the top shotcrete shell and / or the bottom shotcrete shell after lifting the icing of the roof vault area and / or the Sohl Kunststoffes receives the loads that were previously absorbed by the icy areas.
  • two opposite slot walls extending along the tunnel tubes and projecting up to the roof vault area are introduced into the ground for the creation of an access system for the elongate free space above the central area.
  • Access system means in particular an access system for a central platform, for example, a staircase for a central platform.
  • the two slot walls are preferably arranged parallel to one another or substantially parallel to one another. It is within the scope of the invention that the two slot walls delimit the area which results upward through the extension of the central area between the two tunnel tubes.
  • the two slot walls before the solidification of the roof vault area in the ground brought in.
  • the invention is based on the finding that an elongated clearance, in particular for a middle platform between two tunnel tubes can be produced with the inventive method in a surprisingly simple and inexpensive manner.
  • the implementation of the method according to the invention is characterized by relatively inexpensive measures.
  • the creation of the free space and in particular the solidification of upper and lower areas for the creation of the free space is surprisingly reliable and trouble-free feasible. Of particular importance here is the so-called cross-icing.
  • the inventive method is particularly suitable for less stable mountains.
  • the creation of the elongated space with the method according to the invention is particularly useful when the construction in open design is not possible or not desirable.
  • the figures illustrate schematically various method steps of the inventive method for creating an elongated space 1 between two tunnel tubes 2, 3.
  • the figures also illustrate the preparation of an access system 4 for the elongated space 1.
  • a Central platform between the two tunnel tubes 2, 3 be created and the access system 4 is a staircase for this central platform.
  • FIG. 1 shows that initially two parallel tunnel tubes 2, 3 separated by a central region 5 are ascended.
  • the two tunnel tubes 2, 3 of FIG. 1 were produced in Schildvortrieb immediately with their final diameter.
  • the tunnel tubes 2, 3 depicted in FIG. 1 thus already have the additional diameter required for the free space 1 or for the platform area.
  • the two tunnel tubes 2, 3 were produced in shield tunneling with segmental lining.
  • the tunnel tubes 2, 3 are therefore each provided with a tubbing shell 6, wherein the tubbing shell 6 consists of tubbing rings 6a arranged one behind the other, which in turn each consist of a plurality of tubbings distributed over the circumference of the tubbing ring 6a.
  • each tubbing shell 6 of each tunnel tube 2, 3 is supported in each case with support elements 7 on the middle area.
  • it is temporary support elements 7, which are subsequently removable.
  • Center area arrangement means that the support elements 7 in the middle region 5 associated half of the tunnel tube 2, 3 are arranged. It is understood that in the longitudinal direction of each tunnel tube 2, 3 a plurality of support elements 7 are arranged one behind the other.
  • each tubbing ring 6a of the tubbing shell 6 has two special tubbings 8 each having a base part 9 that is in the shape of a cylinder shell section for fitting into a tubbing ring 6a.
  • the connection element 10 projects out of the base body 9 on the inside of the tunnel.
  • two temporary strapping 11 are provided in the exemplary embodiment, which are subsequently removable. This Temporärtübbings 11 will be referred to below.
  • FIG. 1 it can further be seen that two opposing slot walls 13, 14 extending along the tunnel tubes 2, 3 and extending up to the roof vault area 17 are introduced into the ground for the creation of an access installation 4 above the central area 5.
  • the slot walls 13, 14 are thus located above the middle region 5 and the central region 5 itself is expediently designed without a slot wall.
  • the still unopened central region 5 is formed by the mountains.
  • Fig. 1 it can be seen that in the upper region of the slot walls 13, 14 has already partially excavated a pit 15, which is provided with a cover 16.
  • the installation of the slot walls 13, 14 expediently with time lead for shield drive or for driving the tunnel tubes 2, 3rd
  • solidification devices are introduced transversely to the tunnel tubes 2, 3 between the tunnel tubes 2, 3, with which solidification means a solidification of areas above the central region 5 and below the central region 5 takes place.
  • This solidification is preferably carried out in the embodiment by a Bodenvereisung these areas.
  • the solidifying devices, not shown, are thus expediently glaciation lances or freezing lances which are introduced transversely to the tunnel tubes 2, 3 into the regions to be consolidated.
  • a roof vault area 17 is solidified over the still unopened middle area 5 by icing.
  • the icing takes place from both tunnel tubes 2, 3, by the icing lances are introduced through corresponding transverse bores in the area to be frozen between the tunnel tubes 2, 3.
  • the icing lances are each introduced perpendicularly to the tunnel longitudinal axis L of the two tunnel tubes 2, 3.
  • the icing lances are introduced in the exemplary embodiment of each tunnel tube 2, 3 obliquely upwards into the roof vault area to be glazed. This has been clarified in Fig. 2 by dotted arrows on the roof vault area 17. With the icing lances not shown icing columns are generated. It is understood that a plurality of such icing columns are arranged one behind the other in the tunnel longitudinal direction.
  • At least two icing columns or at least two layers of icing columns in the roof vault area 17 are arranged one above the other in the vertical direction.
  • the solidified roof vault area 17 in the form of a pitched roof-shaped Icing jacket ( Figure 2) over the unopened central region 5.
  • the sole region 18 is solidified below the still unopened central region 5 by icing.
  • icing lances are expediently introduced into the region between the tunnel tubes 2, 3 by adjacent transverse bores, the icing lances in the exemplary embodiment being introduced perpendicularly to the tunnel longitudinal axis of the tunnel tubes 2, 3.
  • the icing lances are also introduced obliquely downward into the sole region 18 to be consolidated. This has been indicated in Fig. 2 by corresponding dash-dotted arrows. With the icing lances 18 irrigation columns not shown in detail are generated in the bottom area.
  • a plurality or plurality of such icing columns are arranged one behind the other.
  • at least two glazing halls or at least two layers of glaciation columns are expediently provided one above the other in the vertical direction.
  • a V-shaped sole area 18 solidified by glaciation is formed below the middle area 5.
  • the iced roof vault area 17 preferably spans and, in the exemplary embodiment, the middle area 5 completely. It thus extends from the tunnel tube 2 to the tunnel tube 3.
  • the icy sole region 18 completely covers the middle region 5 and this sole region 18 adjoins both the tunnel tube 2 and the tunnel tube 3. It is understood that the roof arch region 17 shown in Fig. 2 and also the sole region 18 continues in the longitudinal direction of the tunnel tubes 2, 3.
  • the icing of the roof vault area 17 and / or sole area 18 can take place in sections, with each iced section extending along the tunnel tubes 2, 3.
  • the central region 5 is in the embodiment transversely to the tunnel longitudinal direction of a continuous ice shell or frost body covered and also grasped. With the cross-icing invention of the tunnel tubes 2, 3 from a surprisingly effective support of the central region 5 is achieved.
  • the central area 5 can be opened laterally from the tunnel tubes 2, 3.
  • the temporary bands 11 are removed, so that a cavity can be formed between the roof vault area 17 and the sole area 18 from the sides.
  • Fig. 3 shows already the state with removed Temporärtübbings 11 and hollowed central region 5.
  • the opened middle region 5 is secured with an upper shotcrete shell 19, which is located below the roof vault area 17 and secured with a bottom shotcrete shell 20, which is located above the bottom region 18 ,
  • the opening of the central region 5 can also be effected such that initially only the upper temporary bands 11 are removed and then first an upper region of the Middle area 5 is opened.
  • the remaining in this construction phase lower Temporärtübbings 11 are suitably secured non-positively in this case by not described here in detail Abfangbügel steel or reinforced concrete.
  • a corresponding intercepting frame In order to facilitate the opening of the central region 5 of one of the lateral tunnel tubes 2, 3 and to use larger construction equipment, it is possible to replace the interceptor or Abfangbügel by a corresponding intercepting frame.
  • This intercepting frame is preferably installed as a steel structure directly with the installation of the tubbing rings 6a.
  • the middle region 5 has in this case a correspondingly larger breakout cross section.
  • the central region 5 in smaller steps (with respect to the cross section of the central area) to open.
  • the breakout edge can additionally be secured in each case.
  • These injection spits can be designed either as icing lances or as injection lances. The outbreak geometry can thus be adapted to all requirements and partial outbreaks.
  • the excavation pit 15 is then suitably completely excavated between the slot walls 13, 14 and the central region of the top shotcrete shell 19 can be removed.
  • This condition is shown in FIG.
  • the temporary support elements have already been removed here.
  • the slot walls 13, 14 have been stiffened by corresponding walls 25.
  • the platform members 26 have been completed and also here already the installation of a Ortbetonsohle 27 in the tunnel tubes 2, 3 takes place.
  • Fig. 5 has not been shown that then expediently the cover 16 is removed and the pit 15 above the top wall 25 of the access system 4 is filled.
  • FIG. 6 shows an alternative of the method according to the invention.
  • the central region 5 was opened and secured with the shotcrete shells 19, 20 and only then the slot walls 13, 14 have been introduced.
  • a gap icing of the gaps 28 between the upper-side shotcrete shell 19 and the slot walls 13, 14 preferably takes place here.
  • the icing tubes used for this purpose are installed with the reinforcement cage of the slot walls 13, 14.
  • the cold medium is introduced in this case from above. Up to the foot of the slot walls expediently all incoming and outgoing lines are cold-insulated. Thus, the icing takes place only in the gap area between the slot wall 13, 14 and shotcrete shell 19th

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  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
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Claims (10)

  1. Procédé pour créer un espace libre oblong (1) entre deux galeries de tunnel (2, 3),
    deux galeries de tunnel (2, 3) séparées entre elles par une zone centrale (5) étant d'abord creusées,
    puis des dispositifs de renforts étant introduits à la transversale des galeries de tunnel (2, 3), entre les galeries de tunnel (2, 3),
    une zone de comble voûté (17) étant fixée au-dessus de la zone centrale (5) encore non ouverte
    et la zone centrale (5) étant ensuite ouverte sous la zone de comble voûté consolidée (17).
  2. Procédé selon la revendication 1, la zone centrale (5) sous la zone de comble voûté consolidée (17) étant ouverte à partir d'au moins une galerie de tunnel (2, 3).
  3. Procédé selon l'une quelconque des revendications 1 ou 2, les deux galeries de tunnel (2, 3) étant fabriquées par avancement au bouclier, directement avec leur diamètre définitif.
  4. Procédé selon l'une quelconque des revendications 1 à 3, les galeries de tunnel (2, 3) étant respectivement munies d'un cuvelage (6) et le cuvelage (6) étant soutenu par des éléments de soutien (7) du côté de la zone centrale.
  5. Procédé selon la revendication 4, au moins un segment de cuvelage spécial (8) étant monté dans un anneau de cuvelage (6a) du cuvelage (6), lequel segment de cuvelage spécial (8) comporte un corps de base (9) en forme de tronçon d'enveloppe cylindrique destiné à être adapté dans un anneau de cuvelage (6a) et sur la face interne de l'enveloppe cylindrique, un élément de raccordement (10) étant prévu pour raccorder au moins un élément de soutien (7) qui doit être disposé sur la face interne du tunnel pour soutenir le cuvelage (6).
  6. Procédé selon l'une quelconque des revendications 4 ou 5, au moins un segment de cuvelage temporaire (11) pouvant être retiré ultérieurement étant monté du côté de la zone centrale dans un anneau de cuvelage (6a) du cuvelage (6).
  7. Procédé selon l'une quelconque des revendications 1 à 6, la zone de comble voûté (17) étant renforcée par ferraillage.
  8. Procédé selon l'une quelconque des revendications 1 à 7, une zone de semelle (18) sous la zone centrale (5) étant également consolidée et la zone centrale (5) étant ouverte après consolidation de la zone de semelle (18).
  9. Procédé selon l'une quelconque des revendications 1 à 8, la zone centrale ouverte (5) étant sécurisée par une coque en béton projeté (19) côté supérieur.
  10. Procédé selon l'une quelconque des revendications 1 à 9, deux rideaux souterrains (13, 14) opposés s'étendant le long des galeries de tunnel (2, 3) et saillant jusqu'à la zone de comble voûté étant introduits dans le terrain, pour la création d'une installation d'accès (4) au-dessus de la zone centrale (5).
EP02008905A 2002-04-20 2002-04-20 Procédé pour la construction de chambres libres allongées entre deux segments d'un tunnel Expired - Lifetime EP1355039B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP02008905A EP1355039B1 (fr) 2002-04-20 2002-04-20 Procédé pour la construction de chambres libres allongées entre deux segments d'un tunnel
DE50205983T DE50205983D1 (de) 2002-04-20 2002-04-20 Verfahren zur Erstellung eines langgestreckten Freiraumes zwischen zwei Tunnelröhren
AT02008905T ATE319915T1 (de) 2002-04-20 2002-04-20 Verfahren zur erstellung eines langgestreckten freiraumes zwischen zwei tunnelröhren

Applications Claiming Priority (1)

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DE102006000920B4 (de) * 2006-01-05 2014-11-13 Ralf Porzig Verfahren zur umweltschonenden Herstellung unterirdischer Bahnhöfe von S-Bahnen und dgl.

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EP1355039A1 (fr) 2003-10-22
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