EP0258699A1 - Bouclier à couteaux et méthode pour l'avencement et/ou soutènement de tunnels etc. - Google Patents

Bouclier à couteaux et méthode pour l'avencement et/ou soutènement de tunnels etc. Download PDF

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Publication number
EP0258699A1
EP0258699A1 EP87111705A EP87111705A EP0258699A1 EP 0258699 A1 EP0258699 A1 EP 0258699A1 EP 87111705 A EP87111705 A EP 87111705A EP 87111705 A EP87111705 A EP 87111705A EP 0258699 A1 EP0258699 A1 EP 0258699A1
Authority
EP
European Patent Office
Prior art keywords
knife
knives
driving device
shield driving
guide
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
EP87111705A
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German (de)
English (en)
Other versions
EP0258699B1 (fr
Inventor
Heinz-Theo Dipl.-Ing. Walbröhl
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.)
OFFERTA DI LICENZA AL PUBBLICO
Original Assignee
Individual
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
Priority claimed from DE19863629729 external-priority patent/DE3629729A1/de
Application filed by Individual filed Critical Individual
Priority to AT87111705T priority Critical patent/ATE57737T1/de
Priority claimed from DE19873726846 external-priority patent/DE3726846A1/de
Publication of EP0258699A1 publication Critical patent/EP0258699A1/fr
Application granted granted Critical
Publication of EP0258699B1 publication Critical patent/EP0258699B1/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 knife shield jacking device and to a method for breaking out and / or prefabricating tunnels, tunnels, shafts or the like.
  • a self-supporting support unit for small stud cross-sections is made of knife planks.
  • the knife planks are constantly rigidly guided to one another via dovetail-like guides, so that directional corrections which require the knives to move relative to one another cannot be carried out.
  • knife boards are also arranged on the tunnel sole, which greatly impairs the handling of this known device.
  • the invention has for its object to provide a method and a device with which an excavation and / or ready removal of a tunnel or the like. Without disruptive device parts and complex support frames is possible, a blade shield driving device is easily controllable, in which no tunneling knife is specified as the knife to be driven first and in which the tracking of the remaining knives can take place without additional precautions.
  • each jacking knife can be used as the knife to be driven first, and that the remaining knives assume their position parallel to the knife first driven without any subsequent communication effort.
  • the brackets are U-shaped and a section is provided on the wedge elements, the width of which corresponds approximately to the distance between the legs of the U-bracket. This section is taken up by the legs of the U-shaped bracket when all knife ends lie in one plane, i.e. when all knives are advanced equally. In this position, all knives have a parallel position and are connected to each other with little play.
  • the wedge elements taper to both ends, starting from the section of constant width formed as a central section. This ensures that the knife to be driven first can be controlled to the right or left at the start of the advance movement and that the parallel knives to be driven thereafter are pivoted in the direction of the first knife by sliding the surfaces of the wedge elements on the legs of the U-bends.
  • a bracket is arranged on one side of each jacking knife and a wedge element is arranged on the other side, or a bracket is arranged on every second jacking knife and a wedge element is arranged on each side of every jacking knife in between.
  • all jacking knives can be designed identically, so that the storage and the replacement of defective jacking knives are simplified.
  • the U-bracket is preferably open at the top and the wedge element engages between the legs of the bracket from above.
  • the wedge element on each jacking knife is preferably attached to the long side of the jacking knife via a cantilever plate.
  • wheel chocks are located on the jacking knives, which are arranged in the region of curvature of a tunnel cross section, between the U-bracket and the wedge element arranged so that the position of the bracket and wedge element is adapted to the tunnel cross-section.
  • the contacting inner surfaces of the bracket legs and the outer surfaces of the wedge element are preferably rounded.
  • a fastening device for a pressure device acting on an adjacent knife is provided in the front area of each tunneling knife.
  • two pressure units which in particular consist of piston-cylinder units, can be fastened via a quick-release fastener.
  • piston-cylinder units are arranged on the knives adjacent to the first knife to be driven in order to control the pivoting of this first knife to be driven by different piston paths.
  • the knives to be driven afterwards do not require any direction correction via pressure units, since they are forced into the position parallel to the first driven knife by the sliding of the stirrups on the wedge surfaces or vice versa.
  • the knives are mutually supported by lateral support members when the system is at rest and are self-supporting without a connection on the sole side.
  • a long, cross-sectionally T-shaped support member with a transverse leg pointing downward is arranged on one side of each knife, and a short, cross-sectionally U-shaped support member with upwardly directed legs is arranged on the other side of each knife, the L- Shaped support member of a knife engages in the U-shaped support member of an adjacent knife and on the T-shaped support member, starting from central sections of constant width, wedge-shaped run-up ramps are arranged.
  • the legs of the U-shaped support member rest on the regions of constant width of the T-shaped support member, so that the knives are in direct contact with one another.
  • an adjustable stop element is provided on the U-shaped support member.
  • This stop element can be designed in the form of a screw which, by screwing in and unscrewing, enables the play between the support members to be adjusted.
  • the knives on the sole side are applied transversely to the longitudinal axis of the knife
  • Lifting devices are arranged, which are designed in particular as hydraulic or pneumatic piston-cylinder units. After all the knives have been advanced, the lifting devices are actuated so that each knife can be brought into direct contact with the neighboring knife so that no uncontrolled movement of the knives towards the sole can take place after the support arches have been lowered. The pressure is then fed into the sole via the piston-cylinder units.
  • lifting devices are arranged on the guide arches or support frames at the ends on the sole side. With these lifting devices, the support arches can be lowered so that when the system is at rest, i.e. if the knives are self-supporting, the arches can be moved to a new support position. After a new arrangement, lifting devices are actuated and the top of the guide arches are brought into contact with the bottom of the knives so that the knives receive the required guidance during the advance.
  • the lifting devices on the support arches are preferably hydraulic or pneumatic piston-cylinder units.
  • guide elements are preferably arranged at the ends of the support frame on the sole side, which engage in guides arranged on base plates.
  • the lifting devices for the support frames are preferably arranged on the base plates, which enables the base plates to be raised together with the guides after the lifting devices have been drawn in when the guide arches are lowered, in order to be moved with the guide arches.
  • the support frames are preferably in guides that can be laid on the sole engaging and slidable struts provided.
  • guides that can be laid on the sole engaging and slidable struts provided.
  • the pressure devices are preferably piston / cylinder units.
  • a method according to the invention in particular using a knife shield driving device according to the invention, is characterized in that when the system is at rest or after all the knives have been fed, the knives are placed in a mutual lateral position and become self-supporting, that the support frames are lowered and continue to advance, and that after the support frames are raised, the Knives are advanced again.
  • the knives supported by the support frame during the advance take over the support, when all knives have been driven, ie they directly absorb the pressure exerted by the mountains and guide them into the tunnel bottom. In this state, the guide arches or support frames can be lowered and continue to take over the support when the knives are advanced again. With this method, a second pair of support frames can therefore be dispensed with, which on the one hand makes the device more economical and on the other hand creates fewer obstacles during work. In addition, the knives can be made shorter, so that cornering or directional corrections are easily possible.
  • the knives are supported on both sides of the sole while they take over the support. No knives are arranged across the width of the sole.
  • each knife 10 to 18 has a U-shaped bracket 20 on its left side and wedge elements 22 and 24 on its right side.
  • the wedge elements 22 and 24 start from a central region 26 which has a constant width. From this area 26, the wedge elements 22 and 24 taper towards their opposite ends.
  • the wedge elements 22 and 24 together with the central section 26 form a longitudinal guide which is guided between the legs 26 and 28 of the U-shaped bracket 20.
  • the play between the knives 10 to 18 is almost zero, since the width of the middle section 26 is approximately equal to the distance between the legs 26 and 28 of the U-shaped bracket 20.
  • the guides 22, 24 , 26 form a wedge element 30, which is arranged below a cantilever plate 32 which is attached to the longitudinal side of a knife 10 to 18.
  • the wedge element 30 engages from above between the legs 26 and 28 of the upwardly open bracket 20.
  • the position of the jacking knives 10 to 18 shown in FIG. 1 shows the starting position in front of a new jacking section. It is assumed that the tunneling knife 14, which can be arranged at any point in the tunnel cross section, is to be driven as the first knife.
  • hydraulic presses 34 and 36 in the form of piston-cylinder units are arranged on the knife 12 and on the knife 16, which are adjacent to the knife 14. Suitable devices for quick fastening of such hydraulic presses are provided on each longitudinal side of each knife 10 to 18. There are two for the direction-controlled propulsion of the jacking knives 10 to 18 such hydraulic presses are sufficient.
  • Fig. 2 shows a cross section through the knives 10 to 14.
  • the knives consist of an upper wall 38 and a lower wall 40, which are connected to one another via side walls 42 and 44.
  • a guide bracket 20 is attached to the side wall 42 and a wedge element 30 is attached to the side wall 44 via a cantilever plate 32.
  • FIG. 3 shows the arrangement according to FIG. 1, the knife 14 being driven relative to the knives 10, 12, 16 and 18 via a hydraulic press, not shown. Since the hydraulic presses 34 and 36 are loaded equally, the knife 14 is driven parallel to the other knives.
  • FIG. 4 shows the arrangement according to FIG. 1, the knife 14 being driven obliquely relative to the knives 10, 12, 16 and 18. Since after a propulsion section which corresponds approximately to the length of the central section 26 of the wedge element 30, a wedge of the wedge surface occurs in the U-shaped brackets, the knife 14 can be extended by extending the piston of the hydraulic press 34 and correspondingly retracting the piston of the hydraulic press 36 can be pivoted to the right.
  • the outer leg of the bracket 20 attached to the left side slides on the inner inclined surface of the wedge surface attached to the right side of the knife, and the rear inner wedge surface of the wedge element 30 on the right side of the jacking knife 14 slides on the outer leg of the bracket 20 is arranged on the left side of the knife 16.
  • the hydraulic pressure cylinders on the knives 12 and 16 are removed and, starting with the knife 12, the knives arranged to the left of the knife 14 are driven in order, by sliding the wedge element on the knife 12 in the bracket on the knife 14, the knife 12 is automatically aligned parallel to the knife 14.
  • the knife 10 is aligned with the knife 12.
  • the knives present on the right of the knife 14 proceed from the knife 16.
  • This knife slides on with its bracket the wedge element 20 on the knife 14 until the outer leg of the bracket rests on the central portion of constant width of the wedge element and thus the knife 16 assumes a parallel position with respect to the knife 14. The movement of the knife 18 and any knives adjoining this knife take place accordingly.
  • a guide knife is therefore determined at the beginning of the knife advance depending on the circumstances.
  • This guide knife is first advanced and advanced in the desired direction with the help of hydraulic presses which are arranged on adjacent knives. Then the knives are advanced continuously to the right and left of the guide knife.
  • the U-shaped guides on one side of the knife cooperate with the wedge element attached to the neighboring knife, so that the advancing knife automatically aligns itself with the knife that has already been driven and comes into a position parallel to it. It is therefore sufficient to steer just any knife of the entire knife shield in the desired direction. All of the knives located to the right and left of this guide knife are then automatically brought into the direction determined by the guide knife during advance, without the need to report any deviated knives.
  • FIG. 5 shows a cross section through two knives 50 and 52.
  • the inner surfaces 56 and 58 of the upwardly directed legs 60 and 62 are rounded.
  • the outer surfaces 64 and 66 of wedge surfaces 68 and 70 of a wedge element 72 are also rounded in order to reduce frictional forces and constraints between the bracket 54 and the wedge element 72.
  • the wedge element 72 is via a cantilever plate 74 attached to the knife 50.
  • FIG. 6 shows a cross section through two knives 80, 82, which are arranged in the region of a curvature of a tunnel cross section.
  • a wedge element 84 is fastened to the knife 80 and a guide bracket 86 is fastened to the knife 82.
  • a wedge 90 is arranged between the wedge element 84 and the side wall 88 of the knife 80 and a wedge 94 is arranged between the side wall 92 of the knife 82 and the guide bracket 86, whereby the contact surfaces of the guide bracket 86 and the wedge element 84 run parallel to one another, although the knife 82 is pivoted to the knife 80.
  • a guide bracket is arranged on one side of each knife and a wedge element on the other side of each knife.
  • the storage and replacement of knives, which have a guide bracket on one side and a wedge element on the other, is easier and therefore preferable.
  • the device for excavation and support in the excavation and / or prefabricated area shown in FIG. 7 consists of knives 110 to 136 which are connected to one another on their longitudinal sides and form the shape of a hood.
  • Lifting devices 138 and 140 in the form of hydraulic piston / cylinder units are provided on the sole-side knives 110 and 136. While the knives 110 to 136 are being driven, they are supported by two support arches 142, 144.
  • the guide arch 144 lies in the advancing direction in front of the guide arch 142.
  • Lifting devices 146, 148 in the form of piston / cylinder units are arranged on the sole-side ends of the guide arch 142 (as well as the guide arch 144).
  • the units 146 and 148 are fastened on base plates 150, 152, on which guide cylinders 154, 156 are arranged.
  • Guide pins 158, 160 which are fastened to the ends of the support arch, engage in these guide cylinders 154 and 156. With the help of the guides and the base plate, horizontal forces can be dissipated into the sole.
  • Angled support struts 162 and 164 are arranged on the sole-side ends of the guide arch 142, the lower ends of which lie over rails 168, 170 laid on the sole 166.
  • the ends of the struts 162 and 164 come into contact with the rails 168 and 170, while at the same time by retracting the pistons of the piston / cylinder units 146 and 148, the plates 150 and 152 together with the guide cylinders 154 and 156 to be raised.
  • the guide arches 142 and 144 can be moved in the forward direction in order to lower the plates 150 and 152 onto the sole 166 again at the new locations by extending the pistons of the piston / cylinder units 146 and 148, and the guide arches 142 and 144 to in contact with the underside of the knives 110 to 136.
  • the knives are 110 to 136 self-supporting, that is, due to their mutual connection at the longitudinal edges, rock pressure forces are transmitted into the bottom-side knives 110 and 136 and there via the piston / cylinder units 138 and 140 into the bottom.
  • the knives are self-supporting and absorb the rock pressure and discharge them into the sole.
  • the support frames or guide arches 142 and 144 which are connected to one another via piston / cylinder units 180 are arranged in a position under the knives 110 to 136 (knife 124 is shown), from which the knives are driven for the further outbreak.
  • the ends 182 of the knives simultaneously form the formwork for the extension 184.
  • all knives are advanced by the amount a, so that the support frame 142 is located at the end of the knives.
  • the piston / cylinder units By actuating the piston / cylinder units on the sole-side ends of the arc 142, the arc 142 is lowered, the knives 110 to 136 simultaneously supporting one another and becoming self-supporting.
  • the guide arch 142 By pulling in the piston of the piston / cylinder unit 180, the guide arch 142 is displaced towards the guide arch 144. In the next possible position of the guide bow 142 to the guide bow 144, the piston / cylinder units of the guide bow 142 are actuated again and the guide bow 142 is raised, whereby it comes into contact with the underside of the knives 110 to 136. Thereafter, the guide bow 144 is lowered and moved by advancing the piston of the piston / cylinder unit 180 in the direction of advance until it comes under the front end of the knife. The position can be seen from FIG. in which the guide arch 144 has been raised again so that it can take over the guidance of the knives to be re-driven together with the guide arch 142. As can be seen from FIGS.
  • the guide arches 142 and 144 are alternately in a support and in a traveling position.
  • the support elements arranged between the individual knives are only effective when all knives 110 to 136 of the hood have been displaced and in this stage the knife hood takes over the function of a self-supporting unit.
  • the self-supporting function of the knife hood is canceled in order to enable the relative mobility of the knives among one another in the circumferential direction of the knife hood, which is required for cornering and directional corrections.
  • FIGS. 12 and 13 shows a top view, for example, of the longitudinal edges of the knives 122 and 124 arranged next to one another. Approximately in the region of the position on that of the guide arch 144 in FIG. 8 and in the region of the position of the guide arch 142 in FIG. 9 are on the longitudinal sides of the knives 122 and 124 support members 190 and 192, respectively.
  • Each of the knives 110 to 136 has, for example, a short support member 190 on its right longitudinal side and an elongated support member 192 on its left longitudinal side. Only the sole-side knives 110 and 136 are formed on one side only with a corresponding support member.
  • the support member 190 arranged on the right side of the knife 122 is U-shaped in cross section with a base leg 194 and two legs 196 and 198 protruding therefrom.
  • the leg 196 is welded to the longitudinal side wall 200 of the knife 122, for example.
  • In the leg 198 of the support member 190 is one screw 202 can be screwed in and out, which is indicated by the arrow 204.
  • the screw 202 has a hemispherical head 206 in order to come into point contact with the support member 192.
  • the elongated (the length corresponds well to twice the advance length of the knife) support member 192 which is approximately T-shaped in cross section with a leg 208 and a cross leg 210 is with one end of the cross leg 208 on the longitudinal side wall 212 of the knife 124, for example by welding attached.
  • the cross leg 210 has an area 114 of constant width on the side facing the support screw 202, to which run-up ramps 216 and 218 are connected on both sides.
  • the free end of the leg 208 has a central region 220 with a constant width, to which run-up ramps 222 and 224 are also connected on both sides.
  • the area 220 and the run-up ramps 222 and 224 are semicircular in cross section, so that a linear load is achieved with the inside of the leg 196 of the support member 190.
  • the rounded or hemispherical design of the head 206 of the screw 202 and the cross-sectionally semicircular design of the run-up ramps 222 and 224 and of the central region 220 enable defined mutual support of the knives with one another when knives are rotated relative to one another in the arcuate course of the support frames 142, 144 .
  • the knife 124 is advanced while the knife 122 is resting on the guide arches 142 and 144, the areas 214 and 220 of constant width of the support member 192 come out of contact with the guide screw 202 and the leg 196 of the support member 190, respectively, which makes a relative free Mobility of the knife 124 is reached. It is thus possible to control the knife 124 during the advance in such a way that a deviation of the advance hood from a straight line, ie cornering, can be carried out. In order to achieve such a curve, an adjustable pressure device is provided on the neighboring knives on the right and left of the knife to be driven first, so that the direction of advance of the knife moving first can be controlled during its advance.
  • Knives or knife-like formwork planks with lateral support members and guide arches can also be used in the concreting area of a tunnel in the same way as in the excavation area. Due to the self-supporting function of the knives or formwork planks, an obstructive support or a scaffolding can be dispensed with.

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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)
  • Harvester Elements (AREA)
  • Wind Motors (AREA)
EP87111705A 1986-09-01 1987-08-12 Bouclier à couteaux et méthode pour l'avencement et/ou soutènement de tunnels etc. Expired - Lifetime EP0258699B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87111705T ATE57737T1 (de) 1986-09-01 1987-08-12 Messerschild-vortriebsvorrichtung und verfahren zum ausbrechen und/oder fertigausbauen von stollen oder dgl.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE3629729 1986-09-01
DE19863629729 DE3629729A1 (de) 1986-09-01 1986-09-01 Messerschild-vortriebsvorrichtung
DE3726038 1987-08-05
DE3726038 1987-08-05
DE19873726846 DE3726846A1 (de) 1986-09-01 1987-08-12 Verfahren und vorrichtung zum ausbrechen und/oder fertigausbauen von stollen oder dgl.
DE3726846 1987-08-12

Publications (2)

Publication Number Publication Date
EP0258699A1 true EP0258699A1 (fr) 1988-03-09
EP0258699B1 EP0258699B1 (fr) 1990-10-24

Family

ID=27194791

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87111705A Expired - Lifetime EP0258699B1 (fr) 1986-09-01 1987-08-12 Bouclier à couteaux et méthode pour l'avencement et/ou soutènement de tunnels etc.

Country Status (6)

Country Link
US (1) US4830535A (fr)
EP (1) EP0258699B1 (fr)
CA (1) CA1327891C (fr)
DE (1) DE3765726D1 (fr)
ES (1) ES2018219B3 (fr)
PT (1) PT85625B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0870902A2 (fr) 1997-04-08 1998-10-14 Heinz-Theo Dipl.-Ing. Walbröhl Dispositif pour le contrÔle radial des lames d'un bouclier d'avancement

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990015222A1 (fr) * 1989-06-09 1990-12-13 Walbroehl H T Dispositif d'ouverture et de soutenement de galeries d'avancement
JP6325892B2 (ja) * 2014-05-21 2018-05-16 東日本高速道路株式会社 管の設置方法及び当該方法に用いる補正ガイド部材付き管
JP6392546B2 (ja) * 2014-05-21 2018-09-19 東日本高速道路株式会社 管の設置方法及び当該方法に用いるガイド部材付き管

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1966078A1 (de) * 1968-01-08 1972-05-25 Bernold Jean P Vorrichtung zum abschnittsweisen Auskleiden von Tunneln und Stollen im druckhaften Gestein
DE2021734B2 (de) * 1970-05-04 1973-03-22 Walbröhl, Heinz-Theo, Dipl.-Ing., 5300 Bonn Wanderabstuetzungsgeruest fuer den ausbruch und/oder die fertigausbauschalung von stollen, tunneln, schaechten oder dergleichen langgestreckten bauwerken
DE2618571A1 (de) * 1976-04-28 1977-11-10 Gewerk Eisenhuette Westfalia Ausbau zur herstellung unterirdischer hohlraeume, wie beispielsweise tunnel o.dgl.
DE2742332B2 (de) * 1977-09-20 1981-03-19 Heinz-Theo Dipl.-Ing. 5300 Bonn Walbröhl Verfahren zur Steuerung der Vortriebseinrichtung eines Messerschildes sowie eine Messerschildvortriebseinrichtung und ein Vortriebsmesser zur Durchführung eines derartigen Verfahrens

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US675355A (en) * 1898-05-16 1901-05-28 William S Macharg Tunneling device.
US2019295A (en) * 1932-07-29 1935-10-29 Dolder John Poling plate and its method of application
DE2708988C2 (de) * 1977-03-02 1985-11-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Messerdichtung für Messerschilde
DE2746349A1 (de) * 1977-10-14 1979-04-19 Walbroehl H T Dipl Ing Steuerbarer messervortrieb, insbesondere zur verwendung im tunnel- oder stollenbau
DE2937826A1 (de) * 1979-09-19 1981-04-09 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Spreizschild, insbesondere fuer das streckenauffahren in bergbau-untertagebetrieben

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1966078A1 (de) * 1968-01-08 1972-05-25 Bernold Jean P Vorrichtung zum abschnittsweisen Auskleiden von Tunneln und Stollen im druckhaften Gestein
DE2021734B2 (de) * 1970-05-04 1973-03-22 Walbröhl, Heinz-Theo, Dipl.-Ing., 5300 Bonn Wanderabstuetzungsgeruest fuer den ausbruch und/oder die fertigausbauschalung von stollen, tunneln, schaechten oder dergleichen langgestreckten bauwerken
DE2618571A1 (de) * 1976-04-28 1977-11-10 Gewerk Eisenhuette Westfalia Ausbau zur herstellung unterirdischer hohlraeume, wie beispielsweise tunnel o.dgl.
DE2742332B2 (de) * 1977-09-20 1981-03-19 Heinz-Theo Dipl.-Ing. 5300 Bonn Walbröhl Verfahren zur Steuerung der Vortriebseinrichtung eines Messerschildes sowie eine Messerschildvortriebseinrichtung und ein Vortriebsmesser zur Durchführung eines derartigen Verfahrens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0870902A2 (fr) 1997-04-08 1998-10-14 Heinz-Theo Dipl.-Ing. Walbröhl Dispositif pour le contrÔle radial des lames d'un bouclier d'avancement
EP0870902A3 (fr) * 1997-04-08 1998-11-04 Heinz-Theo Dipl.-Ing. Walbröhl Dispositif pour le contrôle radial des lames d'un bouclier d'avancement

Also Published As

Publication number Publication date
PT85625B (pt) 1993-07-30
ES2018219B3 (es) 1991-04-01
US4830535A (en) 1989-05-16
PT85625A (pt) 1988-10-14
EP0258699B1 (fr) 1990-10-24
DE3765726D1 (de) 1990-11-29
CA1327891C (fr) 1994-03-22

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