EP0303775A1 - Procédé pour le creusement d'un tunnel en utilisant un bouclier de percement - Google Patents

Procédé pour le creusement d'un tunnel en utilisant un bouclier de percement Download PDF

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Publication number
EP0303775A1
EP0303775A1 EP88108029A EP88108029A EP0303775A1 EP 0303775 A1 EP0303775 A1 EP 0303775A1 EP 88108029 A EP88108029 A EP 88108029A EP 88108029 A EP88108029 A EP 88108029A EP 0303775 A1 EP0303775 A1 EP 0303775A1
Authority
EP
European Patent Office
Prior art keywords
gap
shield
sealing ring
concrete
tunnel
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
EP88108029A
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German (de)
English (en)
Other versions
EP0303775B1 (fr
Inventor
Siegmund Dr. Dipl.-Ing. Babendererde
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.)
Hochtief AG
Original Assignee
Hochtief AG
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Filing date
Publication date
Application filed by Hochtief AG filed Critical Hochtief AG
Publication of EP0303775A1 publication Critical patent/EP0303775A1/fr
Application granted granted Critical
Publication of EP0303775B1 publication Critical patent/EP0303775B1/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
    • E21D9/0635—Tail sealing means, e.g. used as end shuttering

Definitions

  • the invention relates generically to a method for shield driving a tunnel with the aid of a shield driving machine which has a working chamber which is under atmospheric pressure, the working face being supported with the aid of a pressure medium which, via the control gap of the shield with the gap between the shield tail or the ground or mountains and tunnel lining in connection, the gap to the working chamber between the tail and tunnel lining is closed by a gap sealing ring and grouted concrete is pressed into the gap space through pipe sockets in the gap sealing ring.
  • the pressure medium is a fluid medium.
  • water, a thixotropic liquid or a gas, in particular air, can be used.
  • the grouted concrete can have any binder, in particular a hydraulic binder or a synthetic resin binder.
  • the gap sealing ring can be constructed in various ways.
  • the working face In tunneling operations, especially in loose soil, the working face is either mechanically driven by a scraper disc or by pressure tel supported.
  • the mechanical support is imperfect and causes deformation of the face, which causes subsidence of the terrain surface. Supporting the working face with a liquid is very effective and leads to low settlement. It is disadvantageous that the excavated material mixed with the liquid has to be removed. It is separated from the liquid above ground, which is particularly difficult with fine-grained soils. Compressed air support is more advantageous because the removed soil can be removed dry.
  • the entire tunnel tube has previously been placed under compressed air to support the ground on the face. Attempts to place only one working chamber in the front part of the shield under compressed air in order to enable the tunneling teams to work under atmospheric pressure have become known, but failed.
  • the pressure medium in particular a gaseous pressure medium, can flow through an incompletely filled gap space the control gap surrounding the shield has flowed past the shield tail. If the gap sealing ring does not seal, the pressure medium escapes into the working chamber.
  • An imperfect filling of the gap space can be counteracted with a movable, elastically supported gap sealing ring (cf. DE 36 42 893.0-24). But even in this way, a reliable backfilling of the gap can not be achieved if, for. B. in the segmental lining for some reason there is an offset between adjacent segments over which the seal of the gap sealing ring slides. Sometimes there is a leakage gap of up to 15 mm.
  • the liquid grouting concrete flows through this leakage joint into the inside of the shield without the intended pressure in the grouting concrete being able to be maintained to support the surrounding soil.
  • the invention has for its object to carry out the generic method so that any leakage gap that may form between the gap sealing ring and the shield tail and / or the tunnel expansion closes itself, so that the disadvantages described are avoided.
  • the invention teaches that for the purpose of closing a possibly forming leakage gap between the gap sealing ring and the shield tail and / or the tunnel construction, a grouting concrete is used, which has fine additives and coarse-grained aggregates so that the coarse grains in front of one any leakage gap form a grain filter, the fine pores are closed.
  • the grouted concrete is otherwise constructed according to the prevailing teaching and has conventional other additives such as flow agents, retarders and stabilizers.
  • the grain filter forms in front of a leakage joint for hydrodynamic reasons and experiences a blockage as well as afterwards.
  • a grouting concrete is used in which the largest grain of the coarse-grained aggregates is not less than 4 mm.
  • the grain filter effect described is always achieved with such a largest grain. This is especially true when working with grouted concrete in which the fine additives consist of sand and / or fibers.
  • the measures described are of particular importance when working with a gap sealing ring which is elastically supported in the manner described and whose elastic support presses against the grouting concrete in the gap space.
  • the combination of the described procedural measures with the use of a gap sealing ring arranged and designed in this way is therefore of particular importance.
  • the sealing achieved by the formation of the grain filter is surprisingly effective even when the grouting concrete is pressed into the gap space under a pressure of up to 10 bar.
  • the gap sealing ring shown in the figures is arranged between the rear end of a shield tail 1 and the front end of a segment lining 2 and is used to seal the gap space 3 in the course of its compression with grouting concrete.
  • the gap sealing ring is freely movable relative to the shield tail 1 and tubbing extension 2 via adjustable support units in the form of cylinder piston arrangements in the direction of advance, for example on the shield. These support units are not shown in detail in the figures; 1 shows only one of a plurality of fastening eyes 4 to which the supporting units are fastened. Distributed uniformly over the circumference on the front end face of the gap sealing ring, a number of grout supply pipe connections 5 are provided (cf. FIG. 2).
  • the gap seal ring has an elastic outer seal 6 and an elastic inner seal 7.
  • the elastic outer seal 6 consists of a rubber or plastic ring which can be placed on the inside of the tail 1; radial adjustment screws 8 are provided accordingly for this purpose.
  • the inner seal 7 which can be pressed against the outside of the segment lining 2 consists of a trailing spring plate seal which is fastened to the gap sealing ring by radial screws 9.
  • Figs. 1 and 2 it was indicated that by shifting segments in the tunnel 2 in the area in which the cut ge leads, has formed a leak joint 10.
  • Fig. 1 shows that a grain filter 11 has built up from the coarse-grained aggregates of the grouted concrete in front of the leakage joint 10, and that the pores of the grain filter have been closed by the fine additives 12. Some of them have passed the grain filter and also closed the leakage joint 10.
  • the proportion of fine additives, in particular that of the flour grain content can be increased compared to a conventional grouting concrete.
  • a preferred embodiment of the invention is characterized in that amorphous silica in the form of precipitated silica or silica produced by high-temperature hydrolysis is added to the grouting concrete.
  • amorphous silica In general, 2 to 4% by weight of amorphous silica, based on the weight of the cement, is sufficient.
  • the seal can also be improved by coordinating the other additives, such as flow agents, retarders and stabilizers.
  • An addition of bentonite is also within the scope of the invention, for example in an amount of 2 to 6% by weight, preferably 4% by weight, based on the cement weight.

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)
  • Sealing Material Composition (AREA)
EP88108029A 1987-08-13 1988-05-19 Procédé pour le creusement d'un tunnel en utilisant un bouclier de percement Expired - Lifetime EP0303775B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3726900 1987-08-13
DE3726900 1987-08-13

Publications (2)

Publication Number Publication Date
EP0303775A1 true EP0303775A1 (fr) 1989-02-22
EP0303775B1 EP0303775B1 (fr) 1992-03-04

Family

ID=6333615

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88108029A Expired - Lifetime EP0303775B1 (fr) 1987-08-13 1988-05-19 Procédé pour le creusement d'un tunnel en utilisant un bouclier de percement

Country Status (4)

Country Link
US (1) US4911578A (fr)
EP (1) EP0303775B1 (fr)
JP (1) JPH0723680B2 (fr)
DK (1) DK171200B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103726857A (zh) * 2013-11-28 2014-04-16 江苏牧羊控股有限公司 一种盾构管片柔性模具
CN110031369A (zh) * 2019-05-22 2019-07-19 中国水利水电第八工程局有限公司 复杂地层水下泥水盾构泥膜形成模拟装置及模拟方法

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19800963A1 (de) * 1998-01-14 1999-07-22 Holzmann Philipp Ag Verfahren zum Verpressen des Ringraums zwischen Tübbingen und Gebirge mit Mörtel
US6554368B2 (en) * 2000-03-13 2003-04-29 Oil Sands Underground Mining, Inc. Method and system for mining hydrocarbon-containing materials
AU2003216047A1 (en) * 2002-01-09 2003-07-30 Oil Sands Underground Mining, Inc. Method and means for processing oil sands while excavating
US7128375B2 (en) * 2003-06-04 2006-10-31 Oil Stands Underground Mining Corp. Method and means for recovering hydrocarbons from oil sands by underground mining
US20070044957A1 (en) * 2005-05-27 2007-03-01 Oil Sands Underground Mining, Inc. Method for underground recovery of hydrocarbons
US8287050B2 (en) * 2005-07-18 2012-10-16 Osum Oil Sands Corp. Method of increasing reservoir permeability
US8127865B2 (en) * 2006-04-21 2012-03-06 Osum Oil Sands Corp. Method of drilling from a shaft for underground recovery of hydrocarbons
US20080078552A1 (en) * 2006-09-29 2008-04-03 Osum Oil Sands Corp. Method of heating hydrocarbons
US7644769B2 (en) * 2006-10-16 2010-01-12 Osum Oil Sands Corp. Method of collecting hydrocarbons using a barrier tunnel
WO2008064305A2 (fr) 2006-11-22 2008-05-29 Osum Oil Sands Corp. Récupération de bitume par excavation hydraulique
WO2009040683A2 (fr) * 2007-09-28 2009-04-02 Osum Oil Sands Corp. Procédé pour améliorer le bitume et les huiles lourdes
CA2698238C (fr) * 2007-10-22 2014-04-01 Osum Oil Sands Corp. Procede d'elimination des emissions de dioxyde de carbone issues de la recuperation in-situ de bitume et d'huile lourde
CA2701164A1 (fr) * 2007-12-03 2009-06-11 Osum Oil Sands Corp. Procede de recuperation de bitume d'un tunnel ou d'un puits avec elements chauffants et puits de recuperation
US8176982B2 (en) * 2008-02-06 2012-05-15 Osum Oil Sands Corp. Method of controlling a recovery and upgrading operation in a reservoir
CA2718885C (fr) 2008-05-20 2014-05-06 Osum Oil Sands Corp. Procede de gestion de la reduction des emissions de carbone pour les producteurs d'hydrocarbures
US12209498B2 (en) * 2019-02-21 2025-01-28 TopEng Inc. System and method for simultaneous excavation and segment erection of TBM by thrust shell
CN114017070B (zh) * 2021-12-08 2023-08-25 河北工程大学 一种可用于模拟裂隙岩体注浆颗粒堆积效果的可视化装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR451532A (fr) * 1912-12-06 1913-04-21 Eugene Louis Marie Martin Béton imperméable
DE2623223A1 (de) * 1975-05-30 1976-12-02 Tekken Constr Co Buerstendichtung
GB1497509A (en) * 1975-12-11 1978-01-12 Wayss & Freytag Ag Device for sealing the annular gap between the shield casing of a tunnel driving shield and a tunnel lining
FR2515092A1 (fr) * 1981-10-22 1983-04-29 Comminges Betons Procede pour l'obtention d'un materiau de construction
FR2560635A2 (fr) * 1983-09-07 1985-09-06 Dyckerhoff & Widmann Ag Procede pour realiser une cavite souterraine de forme tubulaire, par exemple un tunnel de circulation, et dispositif pour la mise en oeuvre de ce procede

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672173A (en) * 1969-05-13 1972-06-27 Halliburton Co Forming self-supporting barriers in mine passages and the like
US3774683A (en) * 1972-05-23 1973-11-27 Halliburton Co Method for stabilizing bore holes
US3845632A (en) * 1973-05-21 1974-11-05 Mineral Ind Method of sealing coal against methane emission
JPS5125534U (fr) * 1974-08-15 1976-02-25
DE3043312C2 (de) * 1980-11-17 1986-10-09 Heinz-Theo Dipl.-Ing. 5300 Bonn Walbröhl Gleitschalung zum Einbringen einer Ortbetonauskleidung sowie Verfahren zum Einbringen von Ortbeton im Stollen- und Tunnelbau
JPS6214237Y2 (fr) * 1981-02-02 1987-04-11
FI69503C (fi) * 1984-03-13 1986-02-10 Neste Oy Ytbelagd bergsbehaollare eller tunnel
DE3411857C1 (de) * 1984-03-30 1985-04-18 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen Zwischen einem Schildmantel einer Tunnelvortriebsmaschine sowie einer Tunnelinnenschalung laengsverstellbare Stirnschaltung
US4789267A (en) * 1985-03-13 1988-12-06 Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann Method of and apparatus for concrete tunnel lining

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR451532A (fr) * 1912-12-06 1913-04-21 Eugene Louis Marie Martin Béton imperméable
DE2623223A1 (de) * 1975-05-30 1976-12-02 Tekken Constr Co Buerstendichtung
GB1497509A (en) * 1975-12-11 1978-01-12 Wayss & Freytag Ag Device for sealing the annular gap between the shield casing of a tunnel driving shield and a tunnel lining
FR2515092A1 (fr) * 1981-10-22 1983-04-29 Comminges Betons Procede pour l'obtention d'un materiau de construction
FR2560635A2 (fr) * 1983-09-07 1985-09-06 Dyckerhoff & Widmann Ag Procede pour realiser une cavite souterraine de forme tubulaire, par exemple un tunnel de circulation, et dispositif pour la mise en oeuvre de ce procede

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103726857A (zh) * 2013-11-28 2014-04-16 江苏牧羊控股有限公司 一种盾构管片柔性模具
CN110031369A (zh) * 2019-05-22 2019-07-19 中国水利水电第八工程局有限公司 复杂地层水下泥水盾构泥膜形成模拟装置及模拟方法

Also Published As

Publication number Publication date
EP0303775B1 (fr) 1992-03-04
US4911578A (en) 1990-03-27
DK282888A (da) 1989-02-14
JPH01142196A (ja) 1989-06-05
JPH0723680B2 (ja) 1995-03-15
DK282888D0 (da) 1988-05-24
DK171200B1 (da) 1996-07-22

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