EP0757158B1 - Procédé et dispositif d'excavation pour la construction du sol dans un tunnel - Google Patents

Procédé et dispositif d'excavation pour la construction du sol dans un tunnel Download PDF

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Publication number
EP0757158B1
EP0757158B1 EP96110660A EP96110660A EP0757158B1 EP 0757158 B1 EP0757158 B1 EP 0757158B1 EP 96110660 A EP96110660 A EP 96110660A EP 96110660 A EP96110660 A EP 96110660A EP 0757158 B1 EP0757158 B1 EP 0757158B1
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EP
European Patent Office
Prior art keywords
tunnel
trencher
excavating
axis
base
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
EP96110660A
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German (de)
English (en)
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EP0757158A1 (fr
Inventor
Davide Trevisani
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.)
Trevi SpA
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Trevi SpA
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Publication date
Application filed by Trevi SpA filed Critical Trevi SpA
Publication of EP0757158A1 publication Critical patent/EP0757158A1/fr
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Anticipated expiration legal-status Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D9/01—Methods or apparatus for enlarging or restoring the cross-section of tunnels, e.g. by restoring the floor to its original level

Definitions

  • the present invention refers to an excavating method and apparatus for constructing the base (inverted arch or resting piers) of a new, or an already existing tunnel to be widened or restructured.
  • An object of the present invention is to provide an excavating method and an apparatus for constructing, remaking, reinforcing or restructuring any length of the base of the tunnel, so as to provide a inverted arch or resting pier structure bearing the tunnel adequately as a function of its section.
  • the inverted arch will also have to be widened accordingly or the resting piers will have to be fitted at a different location.
  • an excavating apparatus for constructing, remaking, reinforcing or restoring any part of the base of a tunnel, such to provide an inverted arch or resting piers structure adequate for sustaining the tunnel and suitably sized as a function of the section of the tunnel, characterized by comprising a trencher excavating means driven by driving means and so restrained as to accomplish a combined movement of:
  • an excavating method using a trencher excavating means as cited characterized in comprising the steps of:
  • the following description particularly relates to the remake of the base (inverted arch or resting piers) of an existing tunnel. It is understood that the described method and apparatus are capable of being suitably employed for constructing a completely new tunnel.
  • numeral 20 designates an excavating cutter, preferably a chain trencher as known from EP-A-0 407 934.
  • Trencher 20 is movable along a substantially horizontal guide 10 disposed transversally within the tunnel 11, in order to excavate trenches then to be filled with concrete to form the basis of the tunnel.
  • horizontal guide 10 that can rest on the floor by means of extensible feet 12, is transportable in the longitudinal direction of the tunnel by a crawler track vehicle 13.
  • Guide 15 is rotatably mounted about a substantially horizontal and longitudinal axis to a carriage 14 sliding along the horizontal guide 10.
  • the length of the horizontal guide 10 may indifferently be such as to span substantially the whole width of the tunnel, as shown in FIG. 1, or, in the event of widening works as depicted in FIGS. 4a to 4F, may be limited to a portion of the tunnel so as to work on one side while allowing traffic to pass along the other side.
  • the excavating trencher 20 is driven by suitable driving means 16 (not described in detail as well known to those skilled in the art) and is capable of accomplishing a combined movement of:
  • the trencher can excavate a transversal trench 17 to form the base of the tunnel (inverted arch or resting piers) following the sequence of operations illustrated in FIGS. 4A-4F.
  • the trencher is initially positioned proximate to the point of junction between the bottom of the tunnel or gallery 11 and the inverted arch 18 (FIG. 4A).
  • the trencher is then extended (FIG. 4B) to demolish the foot of the tunnel and the inverted arch, excavating the soil or rock.
  • the trencher is oscillated outwardly (FIG. 4C) excavating a side portion 17a for the foot or resting pier of a new section of the tunnel.
  • the trencher oscillates and translates as a unit with carriage 14 along the horizontal guide 10.
  • the result is the excavation of a trench suitably shaped and sized as to accommodate a subsequent casting of concrete.
  • the concrete Upon hardening, the concrete will form the full or half grade beam.
  • the seat for the resting piers can be formed (FIG. 6).
  • With a half grade beam overall structural continuity is attained on completion of the construction of the second half-beam.
  • the contact surface is cleared and, optionally, reinforcement bars (not shown) are inserted and cemented.
  • the equipment is shifted longitudinally by the tracked vehicle 13 to locate the trencher 20 at a predetermined distance to carry out a new excavation and casting. Repetition of these steps yields a base of resting piers or inverted arch which may be continuous or discrete, depending on whether the grade beams are attached forming a single monolithic body or spaced apart. Such a base is well suited for withstanding the load the vault transmits to the tunnel.

Landscapes

  • 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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
  • Lining And Supports For Tunnels (AREA)

Claims (11)

  1. Dispositif d'excavation pour construire, refaire, renforcer ou restaurer une partie quelconque de la base d'un tunnel, de manière à réaliser une arche renversée (18) ou une structure à piliers d'appui conçue pour supporter le tunnel et dimensionnée de manière appropriée en fonction de la section du tunnel (11), caractérisé en ce qu'il comprend un moyen excavateur de tranchée (20) entraíné par un moyen d'entraínement (16) et retenu de manière à accomplir un mouvement combiné :
    d'oscillation autour d'un axe sensiblement parallèle à l'axe longitudinal du tunnel ;
    de glissement dans une direction perpendiculaire audit axe ; et
    de translation horizontale transversale avec ledit axe d'oscillation, le long d'un moyen de guidage horizontal (10) s'étendant transversalement dans le tunnel (11).
  2. Dispositif selon la revendication 1, caractérisé en ce qu'il est monté sur un moyen de transport (13) déplaçable dans la direction longitudinale du tunnel.
  3. Dispositif selon la revendication 1, caractérisé en ce que ledit moyen excavateur de tranchée (20) est monté à glissement dans un plan vertical sensiblement transversal à un moyen de guidage (15) oscillant autour d'un axe d'oscillation sensiblement parallèle à l'axe longitudinal du tunnel, ledit axe d'oscillation faisant partie d'un chariot (14) pouvant glisser le long dudit moyen de guidage horizontal (10).
  4. Dispositif selon la revendication 1, caractérisé en ce que la longueur dudit moyen de guidage horizontal (10) est telle qu'il s'étend sensiblement sur toute la largeur du tunnel (11).
  5. Dispositif selon la revendication 1, caractérisé en ce que ladite longueur dudit moyen de guidage horizontal (10) est telle qu'il s'étend sur une fraction de la largeur totale du tunnel (11).
  6. Procédé d'excavation utilisant un moyen excavateur de tranchée (20) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend les étapes de :
    a) positionnement du moyen excavateur de tranchée (20) à proximité du pied du tunnel (11) ;
    b) excavation du pied du tunnel en avançant ledit moyen excavateur de tranchée (20) dans le sol vers le bas et vers l'extérieur du tunnel ;
    c) translation dudit moyen excavateur de tranchée (20) dans une direction sensiblement horizontale, dans la largeur de la base du tunnel, réalisant l'une desdites tranchées de base transversales (17) ;
    d) décalage longitudinal dudit moyen excavateur de tranchée (20) d'une distance prédéterminée ; et
    e) répétition cyclique des étapes (a) à (d) pour réaliser une série de tranchées (17) pour une série correspondante de poutres de niveau formant ladite structure d'arche renversée (18) adaptée à la section du tunnel (11).
  7. Procédé selon la revendication 6, caractérisé en ce que ladite étape (b) comprend l'étape de :
       b1) oscillation dudit moyen excavateur de tranchée (20) autour d'un axe sensiblement parallèle à l'axe longitudinal du tunnel pour créer des zones plus grandes (17a) au pied du tunnel (11) pour lesdits piliers d'appui.
  8. Procédé selon la revendication 6, caractérisé en ce que ladite étape (d) réalise le décalage du moyen excavateur de tranchée (20) d'une distance minimale, de manière à former une arche renversée continue (18) ou une structure à piliers d'appui.
  9. Procédé selon la revendication 6, caractérisé en ce que ladite étape (d) réalise un décalage du moyen excavateur de tranchée (20) d'une distance appropriée, de manière à former une arche renversée simple (18) ou une structure à piliers d'appui.
  10. Procédé selon la revendication 6, caractérisé en ce que ladite étape (c) réalise une translation transversale sensiblement d'un côté à l'autre du tunnel.
  11. Procédé selon la revendication 6, caractérisé en ce que ladite étape (c) comprend les étapes supplémentaires de :
    c1) translation transversale dans la largeur d'une partie du tunnel, pour former une première demi-tranchée de base ;
    c2) coulée de béton dans ladite demi-tranchée de manière à former une poutre de demi-niveau ;
    c3) translation transversale dans la largeur restante du tunnel, pour terminer la tranchée de base ; et
    c4) coulée de béton pour achever la poutre de niveau.
EP96110660A 1995-08-02 1996-07-02 Procédé et dispositif d'excavation pour la construction du sol dans un tunnel Expired - Lifetime EP0757158B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO950652 1995-08-02
IT95TO000652A IT1280890B1 (it) 1995-08-02 1995-08-02 Apparecchiatura e metodo di scavo per realizzare la base di una galleria.

Publications (2)

Publication Number Publication Date
EP0757158A1 EP0757158A1 (fr) 1997-02-05
EP0757158B1 true EP0757158B1 (fr) 2000-04-26

Family

ID=11413763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96110660A Expired - Lifetime EP0757158B1 (fr) 1995-08-02 1996-07-02 Procédé et dispositif d'excavation pour la construction du sol dans un tunnel

Country Status (5)

Country Link
EP (1) EP0757158B1 (fr)
AT (1) ATE192213T1 (fr)
DE (1) DE69607901T2 (fr)
ES (1) ES2147330T3 (fr)
IT (1) IT1280890B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19722459C1 (de) * 1997-05-28 1998-09-03 Tamrock Voest Alpine Bergtech Einrichtung zum Aufweiten von Hohlräumen in einer Strecke oder einem Tunnel
IT1297270B1 (it) * 1997-06-25 1999-08-09 Rocksoil S P A Procedimento costruttivo per l'allargamento di gallerie stradali, autostradali o ferroviarie,senza interrompere il traffico
DE19810475A1 (de) * 1998-03-11 1999-09-16 Noell Serv & Maschtechn Gmbh Verfahren und Vorrichtung zum Aufweiten einer Strecke (Kugelkaverne)
CN106223960B (zh) * 2016-07-22 2018-12-04 中铁建大桥工程局集团第五工程有限公司 高铁长大隧道仰拱整体移动模架施工工法
CN109371765B (zh) * 2018-11-19 2024-04-02 中铁第四勘察设计院集团有限公司 穿越大型活动断层的高速铁路隧道内的轨道变形控制结构
CN110226526A (zh) * 2019-07-18 2019-09-13 智慧畜牧机械河北有限公司 一种v型导尿管粪沟改造及施工安装装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE936859C (de) * 1951-12-08 1955-12-22 Luebecker Maschb Ag Ausleger fuer Schaufelradbagger, Verladebaender od. dgl.
FR1071452A (fr) * 1952-02-25 1954-09-01 Faucardeuse ou machine mobile à nettoyer les fossés
JPS599686B2 (ja) * 1974-07-22 1984-03-05 ドナルド．エンズリイ．フオ−ド 溝清掃装置
DE2545363A1 (de) * 1975-10-09 1977-04-21 Kunz Alfred & Co Verfahren zur korrektur des lichtraumprofils aelterer tunnel
IT1225765B (it) * 1988-03-24 1990-11-26 Rodio & C Const G Procedimento ed attrezzatura per allargare gallerie.
DE3835459A1 (de) * 1988-10-18 1990-04-19 Gewerk Eisenhuette Westfalia Einrichtung zum nachschneiden eines tunnelprofils, insbesondere von verkehrstunneln
IT1234182B (it) * 1989-03-03 1992-05-05 Casagrande Spa Processo di scavo dell'arco rovescio in gallerie esistenti e apparecchiatura adottante tale processo.
IT1234069B (it) * 1989-04-28 1992-04-29 Trevi Spa Procedimento per l'esecuzione del rivestimento di una galleria ed apparecchiatura per l'attivazione di tale procedimento
DE4002177A1 (de) * 1990-01-25 1991-08-08 Jakob Schmailzl Verfahren und fraesvorrichtung zum fraesen von strassenbankette

Also Published As

Publication number Publication date
DE69607901T2 (de) 2000-11-02
ITTO950652A0 (it) 1995-08-02
DE69607901D1 (de) 2000-05-31
ES2147330T3 (es) 2000-09-01
ITTO950652A1 (it) 1997-02-02
IT1280890B1 (it) 1998-02-11
ATE192213T1 (de) 2000-05-15
EP0757158A1 (fr) 1997-02-05

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