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EP0095795A1 - Maschine zum unterirdischen Streckenvortrieb - Google Patents

Maschine zum unterirdischen Streckenvortrieb Download PDF

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Publication number
EP0095795A1
EP0095795A1 EP83200603A EP83200603A EP0095795A1 EP 0095795 A1 EP0095795 A1 EP 0095795A1 EP 83200603 A EP83200603 A EP 83200603A EP 83200603 A EP83200603 A EP 83200603A EP 0095795 A1 EP0095795 A1 EP 0095795A1
Authority
EP
European Patent Office
Prior art keywords
kit
skirt
machine according
arm
cutting
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
EP83200603A
Other languages
English (en)
French (fr)
Other versions
EP0095795B1 (de
EP0095795B2 (de
Inventor
Michel Bessac
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.)
FONCAGES ET FORAGES BESSAC SA
Original Assignee
FONCAGES ET FORAGES BESSAC SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9274683&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0095795(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by FONCAGES ET FORAGES BESSAC SA filed Critical FONCAGES ET FORAGES BESSAC SA
Priority to AT83200603T priority Critical patent/ATE14777T1/de
Publication of EP0095795A1 publication Critical patent/EP0095795A1/de
Publication of EP0095795B1 publication Critical patent/EP0095795B1/de
Application granted granted Critical
Publication of EP0095795B2 publication Critical patent/EP0095795B2/de
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
    • E21D9/0621—Shield advancing devices
    • 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
    • E21D9/0875—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 movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7075—Interfitted members including discrete retainer
    • Y10T403/7077—Interfitted members including discrete retainer for telescoping members

Definitions

  • the invention relates to an improved machine for producing underground galleries; it aims at a machine making it possible to dig an underground hose and to progressively equip it, as the machine advances, with covering elements supporting the earth such as pipes or segments.
  • the slaughtering device generally constituted by a cutter carried by an arm suspended in the upper part of the shield, makes it possible to dig and split the earth at the front of the shield, this earth being eliminated towards the rear by a conveyor; the hydraulic shield which includes a thrust ring on which a hydraulic thrust system is coupled, allows the shield to advance after completion of the appropriate front earthwork; to generate this progression, the thrust ring is supported on the pipes or segments already installed at the rear of the machine and the hydraulic thrust system hitched at its other end to the shield exerts an effort on the latter advancement.
  • the curves are very delicate to realize with this type of machine and require earthworks out of profile. large sections and therefore relatively large staff; moreover, the curves are made with very large radii (the radii of curvature reached being generally greater than about 100 times the diameter of the gallery).
  • the radii of curvature reached being generally greater than about 100 times the diameter of the gallery.
  • it sometimes turns out to be impossible to make curves with known machines and professionals are forced to resort to entirely manual earthworks.
  • these machines are ill-suited tees when digging loose soil which tends to "stuff" the cutter with strawberries and absorb very large powers.
  • the present invention proposes to remedy the faults of the known machines mentioned above, by providing an improved machine, designed to operate according to the same general principle as the known machines.
  • An essential objective of the invention is in particular to authorize the production of much more pronounced curves, without having to perform earthworks outside of the profiles; the invention aims in particular to allow curves to be produced, the radii of which can be easily adjusted to a minimum value of the order of 15 times the diameter of the structure.
  • Another objective is to provide a machine adapted to work in any terrain and in particular in soft ground as well in straight lines as in curved lines.
  • An objective of the invention is thus to provide a universal machine which can, without difficulty, dig galleries in soils having layers of different natures.
  • front and rear refer to the direction of travel of the machine; in addition, the terms “horizontal” and “vertical” which are used later, assume the machine in the working position , the longitudinal axes of the cutting bag and the assembly skirt being horizontal).
  • the floating attachment between the cutting kit and the assembly skirt is adapted so as to allow said kit and said skirt an adjustable relative pivoting up to a value of approximately 4 °.
  • the aforementioned floating attachment may in particular comprise a plurality of coupling lugs and traction studs, distributed around the shield and secured one to the front of the assembly skirt, the other to the rear of the cutting kit, each traction pad penetrating into a lumen of a coupling tab with a clearance adapted to allow the aforementioned relative pivoting between said cutting kit and said assembly skirt.
  • the cutting kit comprises, secured to its rear part, an external centering ring in which is fitted an internal centering ring secured to the front of the assembly skirt, said rings being dimensioned so as to be spaced from a functional clearance adapted to allow the aforementioned relative pivoting between the cutting kit and the assembly skirt .
  • the hydraulic pushing device of the shield advantageously consists of several hydraulic jacks with independent controls, distributed around the shield, each jack being coupled, at the front, on an annular support integral with the cutting kit and, at the rear, on the thrust ring sliding in the assembly skirt.
  • the front part of the shield (cutting bag) which supports the slaughter device can be oriented in a chosen direction so as to form an adjustable angle relative to the rear part (skirt d 'assembly), which allows the placement of the covering elements.
  • the deflection of the cutting kit is obtained by independently controlling the thrust cylinders during shield progression operations: the cylinders located on the outside of the curve to be produced are made to undergo an elongation greater than those located on the inside. , the elongation ratios defining the steering angle ⁇ .
  • the slaughtering device can thus work in an angular direction offset from the previous direction, while allowing, on the one hand, a traditional type of work in line with the profile of the cutting kit, on the other hand , a conventional positioning of the covering elements in the assembly skirt.
  • this arrangement allows the br-as to easily sweep the entire section of the cutting face (in front of the cutting bag) by the combined game of the 360 ° rotation of the rotating frame and the maneuvers. of the arm relative to said rotating frame.
  • the tool can be brought to work in all positions; under these conditions, the arm is advantageously equipped with a bucket capable of working in mound or retro, which allows digging without difficulty as well as soft ground than hard ground.
  • the felling arm is telescopic and is equipped with a hydraulic cylinder allowing its retraction or its extension .
  • the improved machine shown by way of example in FIGS. 1, 2, 3, 4 and 5 is intended for the production of underground galleries, of diameter which can vary between 1.80 and 6 meters.
  • This machine essentially comprises, on the one hand, a shield made up of two parts, a front cutting kit 1 and a rear assembly skirt 2, on the other hand, a slaughtering device 3 carried by the cutting kit 1.
  • the cutting kit 1 is in the form of a cylindrical steel tube provided with a cap 1a at its front part; at his party rear, it is provided with an external centering ring 4 which is welded onto said kit so that its thickness protrudes outside the kit 1, as shown in FIG. 5.
  • traction pads such as 5, for example six in number, are welded internally to the rear of the cutting kit 1 and distributed around the periphery thereof, in the vicinity of its junction with the ring 4.
  • an annular support 6 on which are articulated several hydraulic cylinders such as 7 (for example six in number), distributed around the periphery of the shield.
  • the body of each of these jacks is articulated on the support 6 by a conventional clevis.
  • assembly skirt 2 is in the form of a cylindrical steel tube, the diameter of which is slightly larger than that of the kit 1 is of the order of that of the outer ring 4 welded at the rear. of said kit.
  • an internal centering ring 8 is welded, the thickness of which protrudes inside said skirt as shown in FIG. 5.
  • the ring 8 is fitted into the ring 4, with a functional clearance between them, adapted to allow relative pivoting of the cutting bag with respect to the assembly skirt around any axis orthogonal to the axis of these elements.
  • the rings 4 and 8 which overlap over a variable longitudinal distance as a function of the relative position of the skirt and the case, provide guiding and relative centering of these elements, avoiding any risk of transverse shift.
  • each coupling lug 9 is provided a light 9a, of longitudinal dimension very much greater than that of a traction pad 5 and of slight transverse dimension higher than the latter.
  • Each of the studs 5 penetrates into a lumen 9a of a tab, so that all of these members constitute a floating attachment subjecting the skirt 2 and the kit 1, d to each other with a determined clearance.
  • the skirt 2 guides a thrust ring 10 which is slidably mounted therein.
  • a thrust ring 10 which is slidably mounted therein.
  • On this ring are coupled, in a conventional manner in themselves, the movable rods of the hydraulic cylinders 7.
  • These cylinders are equipped with a hydraulic distribution system allowing them to be supplied and to be controlled independently so as to be able to individually adjust their elongation and adjust thus the relative angular position of the kit 1 relative to the skirt 2.
  • the slaughtering device 3 carried by the sharp kit 1 comprises a frame 11 having three tripod-shaped extensions, by which it is fixed inside the cutting kit 1, towards the rear portion thereof.
  • This frame forms around the axis of the kit a substantially vertical platform 11a, said frame and its platform being hollowed out in the central region of the kit in order to delimit a hollow central volume.
  • a rotating chassis 12 is mounted at the front of the frame 11 on the vertical platform 11a by means of a crown of bearings of known type, (symbolized at 13 in Figures 1 and 2); this crown of horizontal axis coinciding with the axis of the kit can be of the crossed roller type, its external cage being fixed on the platform lla and its internal cage on the chassis 12.
  • the latter has teeth 14 in taken with a pinion 15 which is articulated on the platform 11a and rotated by a hydraulic motor 16 carried at the rear by said platform 11a.
  • the rotating frame 12 can thus be rotated 360 ° around a horizontal axis substantially coinciding with the axis of the sharp case 1.
  • the felling arm 18 On this rotating chassis is articulated a felling arm 18, by an axis 17 parallel to the plane of the platform 11a and located in the vicinity thereof, this articulation axis being eccentric relative to the fictitious center of the platform.
  • the felling arm 18 has a rear extension 18a which is housed in the hollow part of the frame 11.
  • the movable rod of an actuating cylinder 20 is coupled by an axis 19.
  • This cylinder is tilted back as shown in Figure 1 and its body is coupled to a front extension 12a of the rotating frame, at a coupling point 21 located opposite the articulation point 17 of the arm, relative to the axis of the sharp case.
  • the articulation point 17 of the arm and the coupling points 19 and 21 of the maneuvering cylinder are thus arranged in a triangle and the arrangement described above of these elements makes it possible both to guarantee good efficiency of the maneuvering cylinder which that is the position of the arm 18 and considerably reduce the space requirement at the front of the platform so as to clear the work area and allow the entire surface of this area to be swept by the arm (despite the division of the shield into two parts, which conditions a significant reduction in the longitudinal dimension of the cutting bag in which the slaughter device is housed).
  • the felling arm 18 is advantageously telescopic and comprises two members 18b, 18c mounted to slide relative to one another and a hydraulic cylinder 22 located inside the latter and coupled to them in order to move the member 18b relative to the member 18c in the direction of a retraction or a longitudinal extension.
  • the member 18b is equipped at its end with a bucket 23 which is associated with conventional hydraulic maneuvering means, comprising a hydraulic cylinder 24 and transmission rods 25, in order to allow the bucket to be disposed both in position butte that retro position.
  • conventional hydraulic maneuvering means comprising a hydraulic cylinder 24 and transmission rods 25, in order to allow the bucket to be disposed both in position butte that retro position.
  • the various cylinders integral with the rotary chassis 12 (cylinders 20, 22 and 24) are supplied with pressurized oil by a hydraulic rotary joint of the conventional type 26.
  • the above-described felling device is capable of effectively digging both loose and harder soils; by the play of the sweeping of the arm and the 360 ° rotation, the bucket can be brought to work indifferently in hillock or in retro, the telescopic nature of the arm allowing a good penetration of the bucket forward.
  • Such a slaughter device is adapted to the structure in two separate parts of the shield and is free from the defects of conventional strawberry devices.
  • Figures 6 to 10 illustrate the operation of the machine to produce a curved gallery.
  • the machine is assumed in the configuration of FIG. 6.
  • the axis X of the cutting kit 1 forms an angle ⁇ with the axis Y of the assembly skirt 2, this angle being a function of the curvature of the gallery to achieve.
  • the jacks 7 are in the retracted state, those situated outside the curve having greater elongations adapted to the variable distances which separate the coupling points of the various jacks on the front support 6 and on the sliding ring 10 The latter is in its most forward position, pressing against the last coverings which have been put in place in the skirt (segments V).
  • kit 1 and skirt 2 The floating attachment between kit 1 and skirt 2 is in the position shown diagrammatically in FIG. 7.
  • Wedges of different lengths, as shown diagrammatically in broken lines at 27, can be put in place to block the skirt and the sharp case in the appropriate angular configuration, defined by the differential elongation of the jacks 7.
  • These removable wedges can in particular be manually placed against the traction studs 5 in the slots of the coupling lugs 9.
  • the set of wedges thus put in place makes it possible, during the movements of progression of the shield, to keep precisely the value of the angle "between the axes X and Y of the case and the skirt.
  • the jacks 7 are operated independently in the direction of the extension to move the shield forward. (figure 8). This movement is obtained by pressing the pushing ring 10 on the segments V which keep this ring stationary: under the push of the jacks 7, the cutting bag 1 is therefore caused to slide forward in the new length hollowed out and the assembly skirt 2 follows / the progression movement being transmitted to it by the traction studs 5 engaged with the lugs 9 as well as by the jacks 7 which link the cutting kit and the assembly skirt.
  • the jacks 7 are retracted by maneuvering them independently so as to preserve their differential elongation (FIG. 9): the sliding ring is then brought back towards the front of the assembly skirt 2.
  • Such a machine in which the cutting kit 1 and the assembly skirt 2 are capable of forming an angle reaching up to 4 ° makes it possible without difficulty to produce galleries having curvatures reaching up to 15 times their diameter; three people are enough to serve it and the average progress can be of the order of 5 meters per shift of 8 hours.

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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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Control Of Electric Motors In General (AREA)
  • Separation By Low-Temperature Treatments (AREA)
EP83200603A 1982-06-02 1983-04-28 Maschine zum unterirdischen Streckenvortrieb Expired - Lifetime EP0095795B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83200603T ATE14777T1 (de) 1982-06-02 1983-04-28 Maschine zum unterirdischen streckenvortrieb.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8209835 1982-06-02
FR8209835A FR2528108A1 (fr) 1982-06-02 1982-06-02 Machine perfectionnee a bouclier pour le creusement de galeries souterraines

Publications (3)

Publication Number Publication Date
EP0095795A1 true EP0095795A1 (de) 1983-12-07
EP0095795B1 EP0095795B1 (de) 1985-08-07
EP0095795B2 EP0095795B2 (de) 1991-07-24

Family

ID=9274683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83200603A Expired - Lifetime EP0095795B2 (de) 1982-06-02 1983-04-28 Maschine zum unterirdischen Streckenvortrieb

Country Status (5)

Country Link
US (1) US4508390A (de)
EP (1) EP0095795B2 (de)
AT (1) ATE14777T1 (de)
DE (1) DE3360516D1 (de)
FR (1) FR2528108A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589516A1 (fr) * 1985-11-06 1987-05-07 Bessac Creusement Soutenement Procede et machine a bouclier pour le creusement de galeries souterraines, notamment dans des sols aquiferes a faible cohesion
DE3732261A1 (de) * 1987-09-25 1989-04-06 Bilfinger Berger Bau Verfahren zur herstellung eines tunnels und schildvortriebsmaschine zur durchfuehrung des verfahrens
US4915453A (en) * 1988-04-18 1990-04-10 Fikse Tyman H Floating shoe tunnel boring machine and boring process
EP0451116A1 (de) * 1990-04-02 1991-10-09 Carlo Grandori Verbesserte Teleskopdoppelschieldbohrmaschine
US5221160A (en) * 1990-04-26 1993-06-22 Shimizuo Construction Co. Subterranean connecting method for construction of shield tunnel and connecting apparatus therefor

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3342903C2 (de) * 1983-11-26 1985-10-10 Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen Entkoppelungseinrichtung zum Entkoppeln der Bewegung des Vorlaufschildes und der Stirnschalung für eine Vortriebsmaschine
JPS61172993A (ja) * 1985-01-29 1986-08-04 株式会社　イセキ開発工機 シ−ルドトンネル掘進装置
JPH086551B2 (ja) * 1989-07-19 1996-01-24 株式会社イセキ開発工機 シールド型トンネル機械の方向修正装置
FR2851009B1 (fr) * 2003-02-10 2005-04-01 Andre Boniface Tunnelier a percussion apte a la realisation de tunnels a geometrie polygonale dans des sols tres durs
US7651170B2 (en) * 2003-07-18 2010-01-26 Rodney John Davies Bore head for microbore operation
JP6249519B2 (ja) * 2013-11-27 2017-12-20 株式会社奥村組 シールド掘進機およびシールド掘進方法
JP6425057B2 (ja) * 2014-03-10 2018-11-21 清水建設株式会社 中折れ型トンネル掘削機の制御方法
JP6498624B2 (ja) * 2016-03-18 2019-04-10 公益財団法人鉄道総合技術研究所 掘削工法模擬装置
JP6573142B2 (ja) * 2018-07-24 2019-09-11 清水建設株式会社 中折れ型トンネル掘削機の制御方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1388527A (fr) * 1964-04-15 1965-02-05 Nii Osnovany I Podzemnikh Soor Appareil pour le percement de tunnels
DE2240967A1 (de) * 1972-08-21 1974-03-07 Paul Weiss Verfahren und vorrichtung zum herstellen von stollen oder tunneln aus vorgefertigten betonrohren
DE2339702A1 (de) * 1973-08-06 1975-03-06 Gerhard Dipl Ing Paproth Mehrteiliger vortriebsschild zum auffahren roehrenfoermiger unterirdischer bauwerke mit nennweiten unter vier metern
DE2545041A1 (de) * 1975-10-08 1977-04-21 Peiner Masch Schrauben Vorrichtung zum lenken eines tunnelrohres
DE2621391A1 (de) * 1976-05-14 1977-11-24 Gewerk Eisenhuette Westfalia Presstation, insbesondere zwischenpresstation, fuer einen rohrvorpressbetrieb
DE2741637A1 (de) * 1977-09-15 1979-03-22 Goeppner Kaiserslautern Eisen Vorrichtung zum vortrieb von tunnel- und stollenroehren
US4190294A (en) * 1978-08-17 1980-02-26 The Robbins Company Excavator for use in a tunneling shield
US4203626A (en) * 1979-02-21 1980-05-20 Zokor Corporation Articulated boom-dipper-bucket assembly for a tunnel boring machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3556599A (en) * 1968-12-10 1971-01-19 Tyman H Fikse Method of tunneling and tunneling shield with a drag loader
US3919851A (en) * 1974-06-17 1975-11-18 M & P Pipe Jacking Corp Apparatus for the excavation and lining of subterranean tunnels
US4027903A (en) * 1975-02-06 1977-06-07 E. I. Du Pont De Nemours And Company Water-degradable coupling member
US3966256A (en) * 1975-04-11 1976-06-29 The Robbins Company Tunneling equipment
DE2736398C2 (de) * 1977-08-12 1985-11-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Steuervorrichtung für einen Messerschild
DE2952744C2 (de) * 1979-12-29 1985-01-10 Bade & Theelen Gmbh, 3160 Lehrte In der Richtung lenkbarer Schildmantel einer Vortriebsmaschine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1388527A (fr) * 1964-04-15 1965-02-05 Nii Osnovany I Podzemnikh Soor Appareil pour le percement de tunnels
DE2240967A1 (de) * 1972-08-21 1974-03-07 Paul Weiss Verfahren und vorrichtung zum herstellen von stollen oder tunneln aus vorgefertigten betonrohren
DE2339702A1 (de) * 1973-08-06 1975-03-06 Gerhard Dipl Ing Paproth Mehrteiliger vortriebsschild zum auffahren roehrenfoermiger unterirdischer bauwerke mit nennweiten unter vier metern
DE2545041A1 (de) * 1975-10-08 1977-04-21 Peiner Masch Schrauben Vorrichtung zum lenken eines tunnelrohres
DE2621391A1 (de) * 1976-05-14 1977-11-24 Gewerk Eisenhuette Westfalia Presstation, insbesondere zwischenpresstation, fuer einen rohrvorpressbetrieb
DE2741637A1 (de) * 1977-09-15 1979-03-22 Goeppner Kaiserslautern Eisen Vorrichtung zum vortrieb von tunnel- und stollenroehren
US4190294A (en) * 1978-08-17 1980-02-26 The Robbins Company Excavator for use in a tunneling shield
US4203626A (en) * 1979-02-21 1980-05-20 Zokor Corporation Articulated boom-dipper-bucket assembly for a tunnel boring machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2589516A1 (fr) * 1985-11-06 1987-05-07 Bessac Creusement Soutenement Procede et machine a bouclier pour le creusement de galeries souterraines, notamment dans des sols aquiferes a faible cohesion
DE3732261A1 (de) * 1987-09-25 1989-04-06 Bilfinger Berger Bau Verfahren zur herstellung eines tunnels und schildvortriebsmaschine zur durchfuehrung des verfahrens
US4915453A (en) * 1988-04-18 1990-04-10 Fikse Tyman H Floating shoe tunnel boring machine and boring process
EP0451116A1 (de) * 1990-04-02 1991-10-09 Carlo Grandori Verbesserte Teleskopdoppelschieldbohrmaschine
US5221160A (en) * 1990-04-26 1993-06-22 Shimizuo Construction Co. Subterranean connecting method for construction of shield tunnel and connecting apparatus therefor

Also Published As

Publication number Publication date
EP0095795B1 (de) 1985-08-07
EP0095795B2 (de) 1991-07-24
ATE14777T1 (de) 1985-08-15
DE3360516D1 (en) 1985-09-12
US4508390A (en) 1985-04-02
FR2528108A1 (fr) 1983-12-09
FR2528108B1 (de) 1985-03-08

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