EP0339333A1 - Procédé et dispositif pour le creusement et le revêtement de tunnels, de puits ou autres - Google Patents

Procédé et dispositif pour le creusement et le revêtement de tunnels, de puits ou autres Download PDF

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Publication number
EP0339333A1
EP0339333A1 EP89106157A EP89106157A EP0339333A1 EP 0339333 A1 EP0339333 A1 EP 0339333A1 EP 89106157 A EP89106157 A EP 89106157A EP 89106157 A EP89106157 A EP 89106157A EP 0339333 A1 EP0339333 A1 EP 0339333A1
Authority
EP
European Patent Office
Prior art keywords
knife
strips
shield
concrete
tail
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.)
Granted
Application number
EP89106157A
Other languages
German (de)
English (en)
Other versions
EP0339333B1 (fr
Inventor
Heinz-Theo Dipl.-Ing. Walbröhl
Original Assignee
WALBROEHL H T DIPL ING
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 WALBROEHL H T DIPL ING filed Critical WALBROEHL H T DIPL ING
Priority to AT89106157T priority Critical patent/ATE73202T1/de
Publication of EP0339333A1 publication Critical patent/EP0339333A1/fr
Application granted granted Critical
Publication of EP0339333B1 publication Critical patent/EP0339333B1/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
    • 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
    • E21D9/0692—Cutter drive shields

Definitions

  • the invention relates to a method for excavating and finishing of tunnels, tunnels, shafts or the like.
  • Elongated structures with the help of a shield or knife driving device, the shield tail or the knife tails are used as external formwork for in-situ concrete expansion, as well as a device for breaking out, supporting, and concreting tunnels, tunnels, shafts or the like.
  • elongated structures, in the form of a shield jacking device or knife jacking device, the shield or knife tail serving to support the soil and at the same time as external formwork for in-situ concrete expansion.
  • the shield or knife tail serves to support the soil and at the same time as external formwork for in-situ concrete expansion.
  • the tail area is a steel tube with a generally circular cross section.
  • Individual parallel strips are provided for the knife advance, which overlap each other and which consist of the knife head, knife body and knife tail. Both methods have in common that since the tail area is closed, no direct contact between the soil and concrete can be made during concreting.
  • a cavity is created over the entire circumference of the concrete corresponding to the profile cross section of the tail of the shield or knife advance.
  • This cavity must be filled, on the one hand, to create the bedding of the concrete profile in the surrounding soil and, on the other hand, to avoid subsidence that can occur as a result of the cavity collapsing.
  • the cavity is usually either blown with granules or with a plastic filler pressed.
  • the complete filling of such a cavity is very labor-intensive and time-consuming and generally does not succeed in practice. It also shows that the bedding of the concrete profile is not produced by direct contact with the surrounding soil, but only indirectly via the filling medium. The serious disadvantage arises that the plastic injection material shrinks and an injected granulate is compressed again under the influence of the rock pressure.
  • the invention has for its object a method and an apparatus for excavating, supporting and concreting tunnels, tunnels, shafts or the like. to create elongated structures with which a direct contact of the concrete profile with the soil is guaranteed and subsequent backfilling work can be greatly reduced.
  • shield tail is dissolved in individual, spaced parallel, ground-supporting strips or that gaps are left between the knife tails that when concreting the spaces between the strips or knife tails also with in-situ concrete be filled in the form of ribs, and that the spaces between the ribs are filled after the shield or knife has been driven.
  • the concrete When concreting, the concrete penetrates into the spaces between the strips of the shield tail or the knife tails, so that the concreting of the in-situ concrete profile in the area of the spaces between the webs is already achieved with the concreting.
  • the concrete profile accordingly has ribs on the outer circumferential surface, which form floor supports, so that, after the shield or the knives have been propelled, supporting vaults can in turn form in the floor. In this way, cavities located outside the shield tail contour or knife tail contour, which e.g. caused by the extraction of boulders during the excavation.
  • the cavities created by the individual strips of the shield jacking or knife tails of the knife jacking are filled with concrete in the area of the previous concreting section.
  • the ends of the individual strips or knife tails have a cross-sectional taper in the area of their support in the previously produced concreting section, which is designed in such a way that the liquid concrete laterally on the strips or knife tails are preferably conical, can penetrate into the cavities.
  • a device for excavating, supporting and concreting tunnels, tunnels, shafts or the like Elongated structures, in the form of a shield jacking device or knife jacking device, the shield or knife tail serving to support the soil and at the same time serving as external formwork for the in-situ concrete expansion, is characterized according to the invention in that the shield tail is divided into individual, spaced, parallel, the Ground-supporting strip is resolved or that the knife tails have a smaller width than the knife heads and the knife body.
  • Each knife tail is preferably designed in the form of one or more strips.
  • the strips provide the support for the floor, so that vaults can form between them, and the floor can support itself between the strip-shaped supports.
  • concrete is poured into the cavity between the strips, so that ribs are formed which are in direct contact with the ground or soil. After the shield or the knives have been driven, these ribs support the floor, so that the floor supports itself over the cavities that arise after the shield or the knives have been driven. These cavities of a section that has already been concreted can be filled during the concreting of a subsequent section.
  • the strips are preferably conical, so that the strips can slide easily in the in-situ concrete and on the ground.
  • the strips have a rectangular cross section with a conical surface attached, the narrower surface also resting on the floor here.
  • the ends of the individual strips have a cross-sectional taper in the area of their support in the previously produced concreting section, which is designed in such a way that the liquid concrete flows past the strips into the cavities can penetrate.
  • end profiles are arranged between the strips and can be pulled out parallel to the strips during concreting. If the filled concrete reaches the space between the strips during the concreting process, the movable end profile is pulled out parallel to the strips, so that the liquid concrete continuously fills the space of the movable end profile and contact is made with the ground.
  • Fig. 1 shows a longitudinal section through a shield or knife jack 10, which is driven in the floor 12. Knives 14 are supported by support frames 16, 18. Each knife 14 consists of a knife head 20, a knife body 22 and a knife tail 24. The knife tails 24 serve not only to support the ground but also as formwork for an in-situ concrete profile 26, which is behind the shield or Knife propulsion device 10 is formed. 1 shows three concreting sections 28, 30 and 32 of the in-situ concrete profile 26. Since the knife tails 24 have a vertical extension, a cavity 34 remains between the base 12 and the in-situ concrete profile 26 after the blades have been propelled. These cavities 34 must be filled after the device 10 has been propelled. Over the concrete section 28 and partly. A filling with concrete 36 has already been made over the concrete section 30.
  • Fig. 2 shows a longitudinal section corresponding to Fig. 1, wherein a new concrete section 38 has been formed. Furthermore, the cavity 34 shown in FIG. 1 has been filled with concrete.
  • the knife tails are designed in the form of strips 40, 42 which are arranged on the knife body 22.
  • the formation of the knife tails in the form of strips ensures that during the concreting of the concrete sections 28, 30, 32 and 38 ribs are formed on the peripheral surface of these sections, which are in direct contact with the floor 12, so that a support of the floor is given when the knives and thus the knife tails are driven.
  • Fig. 3 shows a plan view of a knife or part of a shield.
  • the strips 40, 42 which form the tail of a knife or a shield, are formed at their ends with tapered sections 44 and 46, respectively.
  • the mode of operation of the knife or shield driving tails and tapered sections in the form of strips is clear from FIGS. 4 to 6.
  • Fig. 4 shows a section through strips 50, 52, 54, 56 and 58, which form tails of a shield or knife propulsion.
  • the strips 50 to 58 support the floor 12, so that supporting arches 60, 62, 64, 66 can form in the floor. This ensures that no soil passes between the knife tails 50 to 58.
  • Fig. 5 shows a cross section through the knife tails 50, 52, 54, 56 and 58, which have been used as outer formwork in the manufacture of the concreting section 38.
  • ribs 68, 70, 72, 74 of concrete were formed between the knife tails. Since the knives 50 to 58 are conical in cross section, the ribs 68 to 74 are correspondingly designed with an increasing width. After the advance of the knives 50 to 58, the ribs 68 to 74 take over the support of the floor 12, so that it is ensured that no floor penetrates into the cavities which the knives leave after they have been driven into the concrete.
  • FIG. 6 shows a section through the rear end of the knives 50 to 58.
  • the rear end of the knives is designed with tapered sections 76, 78, 80, 82 and 84. These tapered sections 76 to 84 lie in cavities 86, 88, 90, 92 and 94, respectively, which protrude from the concrete section 32 after the blades 50 to 58 have advanced were formed.
  • concrete can flow past the tapered sections 76 to 84 of the knives 50 to 58 into the cavities 86 to 94 and fill these cavities, so that no subsequent filling work has to be carried out, since the one previously concreted between the ribs Concrete section formed cavities are filled during concreting a subsequent concrete section.
  • FIG. 7 shows a section through two strips 100, 102 of a knife or shield tail.
  • the strips 100 and 102 serve to support the floor 104.
  • an end profile 106 is arranged between two strips 100 and 102, which also supports the floor 104.
  • FIG. 8 shows strips 110 and 112 of a knife or shield tail, which in cross section consist of a rectangular section 114 and a conical section 116 placed thereon.
  • the tapered knives according to FIGS. 4 to 7 or the strips composed of a rectangular surface and a conical surface according to FIG. 8 enable the knife or shield tails to be easily moved in the concrete and on the ground and an easy arrangement of end profiles.

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)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Crushing And Pulverization Processes (AREA)
EP89106157A 1988-04-25 1989-04-07 Procédé et dispositif pour le creusement et le revêtement de tunnels, de puits ou autres Expired - Lifetime EP0339333B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89106157T ATE73202T1 (de) 1988-04-25 1989-04-07 Verfahren und vorrichtung zum ausbrechen und fertigausbauen von stollen, tunneln, schaechten od. dgl.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3813907 1988-04-25
DE3813907A DE3813907A1 (de) 1988-04-25 1988-04-25 Verfahren und vorrichtung zum ausbrechen und fertigausbauen von stollen, tunneln, schaechten od. dgl.

Publications (2)

Publication Number Publication Date
EP0339333A1 true EP0339333A1 (fr) 1989-11-02
EP0339333B1 EP0339333B1 (fr) 1992-03-04

Family

ID=6352831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89106157A Expired - Lifetime EP0339333B1 (fr) 1988-04-25 1989-04-07 Procédé et dispositif pour le creusement et le revêtement de tunnels, de puits ou autres

Country Status (4)

Country Link
EP (1) EP0339333B1 (fr)
AT (1) ATE73202T1 (fr)
DE (2) DE3813907A1 (fr)
ES (1) ES2029540T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993002276A1 (fr) * 1991-07-23 1993-02-04 Walbroehl H T Bouclier de percement a lames individuelles ou a enveloppe fermee

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2341035A1 (fr) * 1976-02-13 1977-09-09 Gewerk Eisenhuette Westfalia Procede pour le percement de tunnels ou cavites analogues et bouclier de soutenement pour la mise en oeuvre de ce procede
DE2922674A1 (de) * 1979-06-02 1980-12-11 Gewerk Eisenhuette Westfalia Messerschild

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2558670C3 (de) * 1975-12-24 1981-08-27 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Vortriebsmesser für einen Verbauschild und Verfahren zum Einbringen eines Ortbetonausbaus beim Auffahren von Tunneln, Stollen o.dgl. mittels eines Verbauschildes
DE2605740C2 (de) * 1976-02-13 1985-08-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Verfahren zum Auffahren von Tunneln u.dgl. mittels eines Verbauschildes und Vortriebsmesser zur Verwendung bei einem Verbauschild

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2341035A1 (fr) * 1976-02-13 1977-09-09 Gewerk Eisenhuette Westfalia Procede pour le percement de tunnels ou cavites analogues et bouclier de soutenement pour la mise en oeuvre de ce procede
DE2922674A1 (de) * 1979-06-02 1980-12-11 Gewerk Eisenhuette Westfalia Messerschild

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993002276A1 (fr) * 1991-07-23 1993-02-04 Walbroehl H T Bouclier de percement a lames individuelles ou a enveloppe fermee

Also Published As

Publication number Publication date
ATE73202T1 (de) 1992-03-15
ES2029540T3 (es) 1992-08-16
EP0339333B1 (fr) 1992-03-04
DE58900890D1 (de) 1992-04-09
DE3813907A1 (de) 1989-11-02
DE3813907C2 (fr) 1991-09-19

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