EP0315743B1 - Méthode pour réaliser un tunnel ou une galerie et machine de forage de tunnel pour la mise en oeuvre de la méthode - Google Patents

Méthode pour réaliser un tunnel ou une galerie et machine de forage de tunnel pour la mise en oeuvre de la méthode Download PDF

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Publication number
EP0315743B1
EP0315743B1 EP88113703A EP88113703A EP0315743B1 EP 0315743 B1 EP0315743 B1 EP 0315743B1 EP 88113703 A EP88113703 A EP 88113703A EP 88113703 A EP88113703 A EP 88113703A EP 0315743 B1 EP0315743 B1 EP 0315743B1
Authority
EP
European Patent Office
Prior art keywords
drill
tunnel
drill rod
drill head
head
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
EP88113703A
Other languages
German (de)
English (en)
Other versions
EP0315743A1 (fr
Inventor
Richard Dipl.-Ing. Harpf
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.)
Alfred Kunz GmbH and Co
Original Assignee
Alfred Kunz GmbH and Co
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 Alfred Kunz GmbH and Co filed Critical Alfred Kunz GmbH and Co
Priority to AT88113703T priority Critical patent/ATE72480T1/de
Publication of EP0315743A1 publication Critical patent/EP0315743A1/fr
Application granted granted Critical
Publication of EP0315743B1 publication Critical patent/EP0315743B1/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
    • E21D20/00—Setting anchoring-bolts
    • E21D20/003—Machines for drilling anchor holes and setting anchor bolts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0053—Anchoring-bolts in the form of lost drilling rods
    • 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
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
    • E21D9/112—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of one single rotary head or of concentric rotary heads

Definitions

  • the invention relates to a method for producing a tunnel or tunnel with a tunnel boring machine, in which a drill string can be driven into the mountains in a radial direction, rotating and / or striking.
  • the basic structure of the tunnel boring machine consists of a rotating drilling head, behind which the drive and clamping devices are arranged, the required pressure of the drilling head being applied by feed presses which are supported on a support device clamped to the tunnel tube by clamping jaws.
  • Problems with tunnel boring with a tunnel boring machine arise when the boring head has a fault location, for example from brittle or uneven mountains such as gravel or sand or a Water vein can exist, cuts. In the event of such malfunctions, the tunnel tube may collapse immediately behind the drill head, i.e.
  • the object of the invention is to propose a method which enables the drilling work to be continued with a tunnel boring machine without lengthy clearing and securing work even if the tunnel boring machine cuts fault points.
  • this object is achieved in a method of the type mentioned at the outset in that drilling occurs only when defects occur and from the drill head, in that the drill pipe is left standing, and in that the annular space surrounding the drill pipe is filled with a stiffening material.
  • points of failure already announce themselves during drilling through a change in the pressure on the tunnel boring machine, so that it can be concluded from such critical pressure changes that a point of failure is to be expected.
  • the essence of the invention lies in the fact that the safeguarding measures in the event of malfunctions do not take place behind the drill head, that is to say at a point in time at which these can possibly no longer be carried out effectively, but already in the area of the drill head, so that a Burglary of the tunnel tube is avoided with certainty.
  • drill rods are driven into the fault location, which remain after the propulsion, the annular space between the drill rod and the rock being filled with a hardening material, so that stabilizing rock anchors are set which clamp the ground or the rock of the fault point and anchor and thus prevent break-ins.
  • the drill head can be rotated by a desired angle step and then the next rock anchor can be inserted into the rock in a corresponding manner.
  • rock anchors can be set in a jet-like manner as are necessary to stabilize and support a fault location.
  • the drill string can be driven at right angles to the axis of the drill head or also inclined at an angle.
  • rock anchors If the area of a fault point is stabilized in the manner described by rock anchors, drilling can continue after the required number of rock anchors have been attached so that a burglar-proof tunnel tube enters the work area behind the drill head and there is no need to fear a collapse of the mountains that interrupts the drilling operation.
  • the annular space filling, stiffening and / or compacting material surrounding the drill pipe can be made of concrete, cement, plastic-improved mortar or the like. or consist of mixtures of these substances.
  • the drill can be provided with a flushing which flushes out the drilled material, or the like after advancing and setting the drill pipe by a device for introducing a hardening cement slurry. is replaced.
  • the stiffening or hardening material is expediently ejected through nozzles arranged in the area of the drill head. The pressure is so great that cavities in the rock are also filled with the hardening material.
  • a tunnel boring machine for carrying out the method according to the invention with a mushroom-shaped drill head mounted on a drive device and with bracing devices and feed presses is characterized according to the invention in that the drill head is provided with a radial mount in which a drill is guided, the drill rod of which can be pushed radially out of the drill head is.
  • Known drills can be used on the carriage, for example those whose rods consist of anchors driven by hammer.
  • Atlas Copco offers suitable drills under the name "Heavy Rock Drills" with "Drifter Feeds" and "Down-the-Hole Hammers”.
  • the "Hydraulic Drifters” and “Hydraulic Chain Feeds for Tunneling” from Tamrock can also be used as suitable drilling drives. Since the drills used as radial drills are of a known type, they are not described in more detail here.
  • the tunnel boring machine shown in FIGS. 1 and 2 consists of the boring head 1, the feed presses 2 and the bracing devices 3.
  • the drill head is provided behind the drill shield with a radial link guide 8 which lies on a diameter line and is perpendicular to the axis 9 of the drill head 1.
  • the drill 11 of a known type is guided on this mount with the guide rods 10.
  • the drill head 1 is provided with a lateral passage opening 12 for the passage of the drill pipe 13.
  • the drill pipe 13 is driven in a rotating and / or striking manner and the annular space 14 surrounding the drill or anchor 13 is filled with a stiffening material when an anchor has been set.
  • the material is ejected in a manner not shown from nozzles which are located in the area of the drill bit of the rod 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Claims (5)

1. Méthode pour réaliser un tunnel ou une galerie au moyen d'une machine de forage de tunnel où on peut faire avancer un train de tiges (13) dans la montagne en tournant et/ou en battant, en direction radiale, caractérisée en ce que lorsque se présentent des points de perturbation et que l'on fore au moyen de la tête de forage (1), le train de tiges (13) est laissé stationnaire et l'espace annulaire (14) entourant le train de tiges (13) est rempli d'un matériau raidisseur.
2. Méthode selon la revendication 1, caractérisée en ce que le matériau raidisseur et/ou étanchéifiant se compose de bentonite, ciment, mortier enrichi en matière synthétique ou analogue ou bien de mélanges de ces matériaux.
3. Méthode selon la revendication 1 ou 2, caractérisée en ce que le matériau durcissant est éjecté de buses prévues dans la zone de la couronne de forage du train de tiges (13).
4. Méthode selon l'une quelconque des revendications 1-3, caractérisée en ce que le matériau durcissant est éjecté après avance complète du train de tiges (13) formant une ancre de stabilisation.
5. Machine de forage de tunnel pour la mise en oeuvre de la méthode selon l'une quelconque des revendications précédentes avec une tête de forage logée sur un système d'entraînement et en forme de champignon (1) et avec des dispositifs de haubanage et des presses d'avancement, caractérisée en ce que la tête de forage (1) est pourvue d'un affût radial (8, 10) où est guidé un fleuret (11) dont le train de tiges (13) est mobile radialement hors de la tête de forage (1).
EP88113703A 1987-11-12 1988-08-23 Méthode pour réaliser un tunnel ou une galerie et machine de forage de tunnel pour la mise en oeuvre de la méthode Expired - Lifetime EP0315743B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88113703T ATE72480T1 (de) 1987-11-12 1988-08-23 Verfahren zur herstellung eines tunnels oder stollen sowie tunnelbohrmaschine zur durchfuehrung des verfahrens.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3738485 1987-11-12
DE19873738485 DE3738485A1 (de) 1987-11-12 1987-11-12 Verfahren zur herstellung eines tunnels oder stollen sowie tunnelbohrmaschine zur durchfuehrung des verfahrens

Publications (2)

Publication Number Publication Date
EP0315743A1 EP0315743A1 (fr) 1989-05-17
EP0315743B1 true EP0315743B1 (fr) 1992-02-05

Family

ID=6340374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88113703A Expired - Lifetime EP0315743B1 (fr) 1987-11-12 1988-08-23 Méthode pour réaliser un tunnel ou une galerie et machine de forage de tunnel pour la mise en oeuvre de la méthode

Country Status (3)

Country Link
EP (1) EP0315743B1 (fr)
AT (1) ATE72480T1 (fr)
DE (2) DE3738485A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247476B (en) * 1990-08-28 1993-01-06 James Howden And Company Limit A tunnelling machine
CN113605913B (zh) * 2021-09-01 2024-05-07 东莞理工学院 一种岩石地下通道施工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE933328C (de) * 1953-10-13 1956-05-03 Wilhelm Weghuber Verfahren zum Verbinden von Gesteinsschichten mittels Gesteinsanker im Bergbau und Mittel zur Ausuebung des Verfahrens
DE1807972C3 (de) * 1968-11-09 1972-04-06 Demag Ag Ankerlochbohrvorrichtung fuer einen durch eine Tunnelvortriebsmaschine aufgefahrenenTunnel
US4055051A (en) * 1976-01-08 1977-10-25 The United States Of America As Represented By The Secretary Of The Interior Unitary drill bit and roof bolt
DE3400182A1 (de) * 1984-01-04 1985-07-11 Friedr. Ischebeck GmbH, 5828 Ennepetal Injektionsanker
AT384861B (de) * 1985-05-23 1988-01-25 Ver Edelstahlwerke Ag Vorrichtung zum bohren von tunnels, schaechten od. dgl.

Also Published As

Publication number Publication date
DE3868310D1 (de) 1992-03-19
DE3738485A1 (de) 1989-05-24
EP0315743A1 (fr) 1989-05-17
ATE72480T1 (de) 1992-02-15

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