EP0205853B1 - Méthode de formation d'un espace tubulaire souterrain, p.ex. d'un tunnel, d'une galerie ou autres par avancement d'un bouclier et dispositif pour la mise en oeuvre de la méthode - Google Patents

Méthode de formation d'un espace tubulaire souterrain, p.ex. d'un tunnel, d'une galerie ou autres par avancement d'un bouclier et dispositif pour la mise en oeuvre de la méthode Download PDF

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Publication number
EP0205853B1
EP0205853B1 EP86106275A EP86106275A EP0205853B1 EP 0205853 B1 EP0205853 B1 EP 0205853B1 EP 86106275 A EP86106275 A EP 86106275A EP 86106275 A EP86106275 A EP 86106275A EP 0205853 B1 EP0205853 B1 EP 0205853B1
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EP
European Patent Office
Prior art keywords
shuttering
shield
driving
lining
formwork
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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
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EP86106275A
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German (de)
English (en)
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EP0205853A3 (en
EP0205853A2 (fr
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& Widmann Aktiengesellschaft Dyckerhoff
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Dyckerhoff and Widmann AG
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Publication date
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Publication of EP0205853A3 publication Critical patent/EP0205853A3/de
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    • 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
    • E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
    • E21D9/0873—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines the shield being provided with devices for lining the tunnel, e.g. shuttering

Definitions

  • the invention relates to a method of manufacturing a tubular underground cavity, e.g. of a tunnel, tunnel or the like with a lining which absorbs the rock pressure in the shield drive, in which the lining under the protection of the drive shield in successive sections in place by introducing hardening material, e.g. Concrete, in an end face delimited by a formwork that can be moved in the direction of advance and inwardly by an inner formwork, and the front formwork is advanced before the inner formwork is moved, and a device for carrying out this method.
  • hardening material e.g. Concrete, in an end face delimited by a formwork that can be moved in the direction of advance and inwardly by an inner formwork, and the front formwork is advanced before the inner formwork is moved, and a device for carrying out this method.
  • tunneling shield is guided telescopically at its rear end on the part of the lining that has already been produced. As a result, he is restricted in his movement options, which makes cornering difficult.
  • a tunneling shield is therefore used, the shield shell of which is arranged within the shield tail a number of slats which can be displaced longitudinally relative to the latter (WO-A 79/00 159).
  • reinforcement elements can be installed in the ring space in their protection.
  • the lamellae are pulled back under the shield jacket in order to prevent them from adhering to the hardened concrete and thereby avoiding any hindrances when the shield is pre-pressed later.
  • the concrete forming the lining then connects directly to the wall of the excavation.
  • this object is achieved procedurally in that the annular space is limited to the outside by an outer formwork, which is lifted after the hardening of the last manufactured section of the lining in the radial direction from the outer surface of this section and at the same time is advanced with the jacking plate and that in In the course of pushing the tunneling shield and the outer formwork, a pasty material is introduced into the space between the lining and the mountains.
  • an axial compressive force can be exerted on the end face of the last manufactured section of the lining with support against the inner formwork.
  • an outer formwork is also provided for the section of the lining to be produced, which can be released from the lining after the concrete has hardened and lifted off in the radial direction from the last section produced.
  • this section is sufficiently stable that an annular cavity is formed in the installation parts, e.g. before the respective element of the inner formwork is implemented. a reinforcement that can be installed before it is closed by the inner formwork.
  • pasty material is introduced under pressure into the space between the lining and the mountains. This not only fills the cavity, but it also immediately compensates for the loss of volume that occurs when the shield tail is pulled forward by pressing in pasty material, so that cavities that could give rise to subsidence cannot form.
  • an outer formwork consisting of a formwork skin and a supporting structure, which is firmly connected to the shielding shell and which transmits the pressure generated during the manufacture of the section directly to the shielding shell, is expediently arranged on the inside of the shielding shell, and the supporting structure is over The height of the adjusting means can be changed.
  • the outer formwork expediently consists of a plurality of lamellar formwork elements running in the direction of advance and arranged closely next to one another, the inner surface of which facing away from the shield shell forms the formwork skin.
  • This inner surface can be formed in each case on a formwork panel, which is designed to be rigid over the width of the respective formwork element and over a length that is greater than the length of the lining section to be produced in each case.
  • the longitudinal and transverse walls of the formwork elements are expediently shortenable in the radial direction, but are designed to be tensile; they can at least partially consist of elastic material, such as rubber, plastic or the like, and be designed like a bellows.
  • the formwork elements thus enclose a closed cavity and can be acted upon by a pressure medium such as air, water, oil or the like.
  • the formwork elements expediently each have a rear wall abutting the inner surface of the shield casing. They can also be interchangeable.
  • Lines for pressing material to fill in the cavity between the rock and lining can be provided within the formwork elements; these lines can also be integrated into the formwork elements.
  • the formwork elements provided with lines are expediently arranged at regular intervals over the circumference of the shield jacket.
  • the tunneling shield (1) is supported for the advance by means of tunneling presses (7) in relation to the inner formwork (8) for the tunnel lining (9).
  • the inner formwork (8) consists of individual annular sections (8a, 8b, 8c, etc.), which are implemented according to the advance.
  • the sections are designed like tubbing, i.e. they consist of individual parts (8 ') and a keystone (8 ") (Fig. 2).
  • outer formwork (10) for each ring section of the lining (9), which consists of a number of lamellar formwork elements (10 ').
  • These formwork elements (10 '), which will be explained in more detail in connection with FIGS. 3 and 4, are penetrated in the axial direction by lines 11 which serve to press in a pasty mixture which forms an intermediate layer (12) into the intermediate space between the mountains (13) and the lining (9) is introduced.
  • the formwork elements (10 ') in the area of the shield tail (3) also form an annular front formwork for the pasty material; the space between the outer formwork and the lining (9) is sealed by a shield tail seal (14).
  • the tunneling shield (1) ' has advanced a section length; the outer formwork (10), together with a ring section (8a) of the inner formwork (8) and the front formwork (15), defines an annular cavity (17) into which concrete is introduced after the installation of a reinforcement cage (18) by press-in lines (19).
  • the formwork element (10 ') of the outer formwork is shown in more detail in FIGS. 3 and 4 in an enlarged but circumferentially shortened section from the cross section of FIG. 2.
  • the formwork element (10 ') consists of a flat hollow body which is adapted in the transverse direction to the curvature of the shield casing (2) and which has an inner formwork plate (19), an outer rear wall (20) and Longitudinal walls (21) and - not recognizable from the illustration - end walls.
  • the longitudinal walls (21) consist of a flexible material, for example rubber, plastic or the like, which can be converted from the concreting position shown in FIG. 3 by elastic deformation into the radially shortened position shown in FIG. 4.
  • the formwork panel (19) While the rear wall (20) of the formwork elements (10 ') lies against the inside of the shield casing (2), the formwork panel (19) must not only have the respective width of the formwork elements, but also a length that is greater than the length ( I) a section of the lining (9) be designed to be rigid (FIG. 6).
  • the formwork panel (19) lies in the concreting state on the one hand on the outer peripheral surface (29) of the face formwork (15) and on the other hand on the outer edge (22) of the last section (8b) (Fig. 5).
  • the formwork panel (19) On the end faces (23 and 24), the formwork panel (19) is elastically and flexibly connected via a spacer bar (25) or directly to the rear wall (20) (Fig. 6).
  • the formwork elements (10 ') are arranged closely next to one another in the circumferential direction, so that the formwork panels (19) touch at their longitudinal edges in joints (26).
  • the lines (11) are arranged inside at least some of these formwork elements, through which the pasty material can be pressed in to form the intermediate layer (12).
  • a pressure medium e.g. Air, water or oil
  • the longitudinal walls (21) must be tensile in the radial direction so that the radial distance between the formwork panel (19) and the rear wall (20) is always maintained.
  • Filling the inner cavities of the formwork elements (10 ') with a pressure medium causes the inner formwork plate (19) to be supported directly against the rear wall (20) or the shield casing (2), so that when a section of the lining (9) is concreted occurring forces are transferred directly to the shield jacket (2).
  • the flexible, resilient connection of the formwork panel (19) and the rear wall (20) on their longitudinal and transverse sides has the effect that a reduction in their radial thickness can occur when part of the pressure medium is extracted from the cavities of the formwork elements (10 ') (Fig. 4).
  • the longitudinal walls (21) deform approximately like bellows.
  • In the area of the end faces (23 and 24) there are joint-like connections which make it possible for the formwork plate (19) to lie against the boundary of the line (11) or a corresponding spacer. In this way it is possible to lift the formwork panels (19), which form the outer formlining for each section of the lining (9), in the radial direction from the hardened concrete, similar to the case with concrete structures with a freely accessible surface.
  • Fig. 5 shows a working phase in which the section (9b) of the lining was last produced.
  • the driving shield (1) with the shield casing (2) and 'the formwork elements (10') and the front formwork (15) is in a position in which a. annular cavity (17) is formed. Installation parts can be inserted into this cavity (17), e.g. Reinforcement cages (18) (Fig. 6).
  • the formwork elements (10 ') are in this phase in the extended state, i.e. the formwork panels (19) rest on (22) on the last manufactured section (9b) and on the other hand on the annular face formwork (15).
  • the cavity enclosed by the formwork elements (10 ') is filled with a pressure medium which transfers the pressure of the concrete mixture now to be filled into the cavity (17) directly to the shield jacket (2).
  • Fig. 6 shows the state in which the cavity (17) is closed by the ring section (8a) of the inner formwork, which in turn rests on the inner peripheral surface (27) of the end formwork (15).
  • the tunneling shield With continuous pressing of pasty material through the lines (11), the tunneling shield is pushed further in the direction of the arrow (28) until it has reached the position shown in FIG. 5 for the section (9b) in the section (9a) the inner formwork panel (19) of the formwork elements (10 ') still rests on the last section (9a) produced.
  • the shield tail seal (14) seals the cavity between the outer formwork (10) and the outer surface of the lining (9) so that the pasty material can be pressed into the space under pressure.
  • the jacking presses (7) are supported against the inner formwork (8); by means of the forehead formwork presses (16), an axial pressure is exerted on the last formwork (9a) of the lining via the forehead formwork (15) in order to hold it in position until the entire outer space to the mountain (13) is filled with pasty material.
  • the individual sections (9a, 9b, 9c, etc.) in the ring joints they can, as shown in FIGS. 5 to 8, be provided with teeth.
  • the end formwork (15) is also advanced by means of the face formwork presses (16) and the formwork panels (19) of the formwork elements (10 ') are again applied to the outer front edge by applying pressure medium of the section (9a) and the outer peripheral surface (29) of the end formwork (15), so that the position shown in FIG. 5 is reached again and a new operation can take place.
  • the formwork elements (10 ') are retracted during the advancement of the driving shield (1), so that a between the face formwork (15) or the lining (9) and the outer formwork or the shield casing (2) There is free space, which makes it possible for the tunneling shield (1) to be pivoted by an angle when it is approaching the part of the lining (9) that has already been completed (FIG. 8). This enables the heading shield to corner.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Claims (16)

1. Procédé pour former un espace tubulaire souterrain, par exemple un tunnel, une galerie ou autres, comprenant la formation d'un revêtement supportant la pression du terrain environnant pendant l'avance avec le bouclier, dans lequel le revêtement (9) est réalisé sous la protection du bouclier de creusement (1) par amenée sur place par sections successives (9a, 9b) d'un matériau durcissable tel que du béton, dans un espace annulaire (17) limité sur le côté frontal par un coffrage frontal (15) pouvant être déplacé en direction du creusement et vers l'intérieur par un coffrage interne (8), le coffrage frontal (15) étant avancé avant le déplacement du coffrage interne (8), caractérisé en ce que l'espace annulaire (17) est limité, vers l'extérieur, par un coffrage externe (10) qui, après durcissement de la section (9a) de revêtement (9) réalisée en dernier, est écarté en direction radiale de la surface externe de cette section (9a) et poussé en même temps que le bouclier de creusement (1), et en ce qu'à la suite de l'avance du bouclier de creusement (1) et du coffrage externe (10), on applique un matériau pâteux (12) dans l'espace intermédiaire compris entre le revêtement (9) et le terrain environnant (13).
2. Procédé selon la revendication 1, caractérisé en ce que pendant l'avance du bouclier de creusement (1) et/ou du coffrage externe (10), et en s'appuyant contre le coffrage interne (8), une force de pression axiale est exercée sur le côté frontal de la section (9a) du revêtement (9) qui a été réalisée en dernier.
3. Bouclier de creusement pour la mise en oeuvre du procédé selon la revendication 1 ou 2, comprenant un coffrage interne (8) contre lequel s'appuient les vérins d'avance (7), un coffrage frontal (15) pouvant se déplacer en direction du creusement et des moyens pour remplir l'interstice annulaire au moyen d'un matériau durcissable tel que du béton, caractérisé en ce qu'il est disposé, sur le côté interne de l'enveloppe (2) du bouclier, un coffrage externe (10) relié fermement à l'enveloppe (2) du bouclier et constitué par une peau de coffrage et une structure de soutien (20, 21) qui transmet directement à l'enveloppe (2) du bouclier la pression qui apparaît lors de la réalisation de la section, et en ce que la structure de soutien peut être modifiée en hauteur par des moyens de réglage.
4. Bouclier de creusement selon la revendication 3, caractérisé en ce que le coffrage frontal (15) est constitué de manière que puisse être exercées, grâce à lui et, du moins, pendant l'avance du bouclier de creusement (1), des forces de pression axiales sur le côté frontal de la section du revêtement (9) réalisée en dernier.
5. Bouclier de creusement selon la revendication 4, caractérisé en ce que le coffrage frontal (15) s'appuie, par des unités à cylindre et piston (16) à effet axial, contre le bouclier de creusement (1).
6. Bouclier de creusement selon l'une quelconque des revendications 3 à 5, caractérisé en ce que le coffrage externe (10) est constitué par une pluralité d'éléments de coffrage (10) en forme de lamelles, orientées en direction de l'avance et disposées étroitement les unes contre les autres, dont la surface interne, qui est à l'opposé de l'enveloppe (2) du bouclier, forme la peau du coffrage.
7. Bouclier de creusement selon la revendication 6, caractérisé en ce que la surface interne des éléments de coffrage (10') est constituée par des plaques de coffrage (19) qui sont rigides en flexion sur la largeur de l'élément de coffrage respectif (10') et sur une longueur supérieure à la longueur de la section de revêtement respective à réaliser.
8. Bouclier de creusement selon la revendication 7, caractérisé en ce que les parois longitudinales et transversales des éléments de coffrage (10') peuvent être raccourcies en direction radiale mais sont de constitution résistant à la traction.
9. Bouclier de creusement selon la revendication 8, caractérisé en ce que les parois longitudinales et transversales des éléments de coffrage ,sont constituées, au moins en partie, en un matériau élastique tel que du caoutchouc, une matière plastique ou analogues.
10. Bouclier de creusement selon la revendication 8 ou 9, caractérisé en ce que les parois longitudinales et transversales sont en forme de soufflets.
11. Bouclier de creusement selon l'une quelconque des revendications 6 à 10, caractérisé en ce que les éléments de coffrage (10') entourent un espace creux fermé et peuvent être soumis à l'action d'un fluide sous pression tel que de l'air, de l'eau, de l'huile ou analogues.
12. Bouclier de creusement selon l'une quelconque des revendications 7 à 11, caractérisé en ce que les éléments de coffrage (10') comprennent, respectivement, une paroi arrière (20) s'appuyant contre la surface interne de l'enveloppe (2) du bouclier.
13. Bouclier de creusement selon l'une quelconque des revendications 6 à 12, caractérisé en ce que les éléments de coffrage (10') sont remplaçables.
14. Bouclier de creusement selon l'une quelconque des revendications 6 à 13, caractérisé en ce qu'à l'intérieur des éléments de coffrage (10') sont prévues des conduites (11) pour y presser le matériau destiné à remplir l'espace creux entre le terrain environnant (13) et le revêtement (9).
15. Bouclier de creusement selon la revendication 14, caractérisé en ce que les conduites (11) sont intégrées dans les éléments de coffrage (10').
16. Bouclier de creusement selon la revendication 14 ou 15, caractérisé en ce que les éléments de coffrage (10') munis de conduites (11) sont disposés à distances régulières autour de la périphérie de l'en-. veloppe (2) du bouclier.
EP86106275A 1985-06-19 1986-05-07 Méthode de formation d'un espace tubulaire souterrain, p.ex. d'un tunnel, d'une galerie ou autres par avancement d'un bouclier et dispositif pour la mise en oeuvre de la méthode Expired - Lifetime EP0205853B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853521888 DE3521888A1 (de) 1985-06-19 1985-06-19 Verfahren zum herstellen eines roehrenfoermigen unterirdischen hohlraums, z.b. eines tunnels, stollens oder dergleichen im schildvortrieb sowie vortriebsschild zum durchfuehren des verfahrens
DE3521888 1985-06-19

Publications (3)

Publication Number Publication Date
EP0205853A2 EP0205853A2 (fr) 1986-12-30
EP0205853A3 EP0205853A3 (en) 1987-04-01
EP0205853B1 true EP0205853B1 (fr) 1990-01-17

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EP86106275A Expired - Lifetime EP0205853B1 (fr) 1985-06-19 1986-05-07 Méthode de formation d'un espace tubulaire souterrain, p.ex. d'un tunnel, d'une galerie ou autres par avancement d'un bouclier et dispositif pour la mise en oeuvre de la méthode

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EP (1) EP0205853B1 (fr)
JP (1) JPS61294098A (fr)
DE (1) DE3521888A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63194098A (ja) * 1987-02-06 1988-08-11 鉄建建設株式会社 シ−ルドトンネルの覆工方法
JPS63268900A (ja) * 1987-04-28 1988-11-07 株式会社小松製作所 場所打ちライニング工法用シ−ルド
JPS6490399A (en) * 1987-09-30 1989-04-06 Tekken Constr Co Method of lining shield tunnel
DE4102121A1 (de) * 1991-01-25 1992-07-30 Philipp Lehmann Bauunternehmun Verfahren zum stahlbeton-tunnelausbau und vorrichtung zur durchfuehrung des verfahrens
GB2291099B (en) * 1994-07-02 1997-12-17 George Henry Slade Tunnel lining
DE19800963A1 (de) * 1998-01-14 1999-07-22 Holzmann Philipp Ag Verfahren zum Verpressen des Ringraums zwischen Tübbingen und Gebirge mit Mörtel
DE19932647A1 (de) * 1999-07-13 2001-01-18 Stadtwerke Muenchen Gmbh Verfahren und System zur Umfüllung eines endlos verlegten Rohrstrangs mit Füllbeton
NL1018500C2 (nl) * 2001-07-09 2003-01-14 Ind Tunnelbouw Methode C V Bekisting en werkwijze voor het bouwen van een beklede tunnel.

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Publication number Priority date Publication date Assignee Title
DE1252227B (de) * 1967-10-19 Dr Ing Paproth &. Co Tiefbau Unternehmung Krefeld Ver fahren zum Ausbau von mittels Schild vortrieb herzustellenden Stollen
DE1206938B (de) * 1963-04-25 1965-12-16 Hochtief Ag Hoch Tiefbauten Steuerbarer Vortriebsschild zum Auffahren von Tunneln, Strecken od. dgl., und Verfahren zum Herstellen einer Ortbetonauskleidung mit einem solchen Vortriebsschild
JPS4829241A (fr) * 1971-08-21 1973-04-18
US3788087A (en) * 1972-04-25 1974-01-29 Patin Pierre Method and apparatus for use in tunnelling
DE7614295U1 (de) * 1976-01-29 1978-03-16 (Belgien) Schildmaschine mit einer vorrichtung zur herstellung einer tunnelauskleidung in ortsbeton
DE2620422C3 (de) * 1976-05-08 1979-08-02 Wayss & Freytag Ag, 6000 Frankfurt Ringspaltabdichtung für Schildvortriebsmaschinen
DE2643869A1 (de) * 1976-09-29 1978-03-30 Wayss & Freytag Ag Schild zum herstellen von tunnelroehren in ortbeton
JPS541936A (en) * 1977-06-06 1979-01-09 Japan Dev & Construction Method of injecting back filler in shielding excavation of tunnel etc*
CH623887A5 (fr) * 1977-09-27 1981-06-30 Locher & Cie Ag
DE2819647A1 (de) * 1978-05-05 1979-11-08 Helmut Dipl Ing Edeling Aktives tunnelbausystem mit ortbetonauskleidung und vortriebsschild dazu
DE3407384A1 (de) * 1983-09-07 1985-08-29 Dyckerhoff & Widmann AG, 8000 München Verfahren zum herstellen eines roehrenfoermigen unterirdischen hohlraums, z.b. eines verkehrstunnels, und vorrichtung zum durchfuehren des verfahrens
DE3332242A1 (de) * 1983-09-07 1985-03-28 Dyckerhoff & Widmann AG, 8000 München Roehrenfoermiger unterirdischer hohlraum, wie verkehrstunnel, rohrleitung oder dergleichen
BE901814R (fr) * 1984-02-29 1985-06-17 Dyckerhoff & Wildmann Ag Installation tubulaire souterraine, telle que tunnel de circulation, canalisation tubulaire ou analogue, procede de fabrication et dispositif pour la mise en oeuvre du procede.

Also Published As

Publication number Publication date
JPS61294098A (ja) 1986-12-24
DE3521888C2 (fr) 1987-04-09
EP0205853A3 (en) 1987-04-01
EP0205853A2 (fr) 1986-12-30
DE3521888A1 (de) 1987-01-02

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