HUH3510A - Double-bent hydraulic self-stressing rock bolt - Google Patents

Double-bent hydraulic self-stressing rock bolt Download PDF

Info

Publication number
HUH3510A
HUH3510A HU892424A HU242489A HUH3510A HU H3510 A HUH3510 A HU H3510A HU 892424 A HU892424 A HU 892424A HU 242489 A HU242489 A HU 242489A HU H3510 A HUH3510 A HU H3510A
Authority
HU
Hungary
Prior art keywords
rock
borehole
rock bolt
double
screw
Prior art date
Application number
HU892424A
Other languages
English (en)
Hungarian (hu)
Inventor
Milan Svrcula
Petr Kallus
Ivan Lubomir
Jan Bodi
Laszlo Kocsanyi
Istvan Benecz
Zsolt Szilvassy
Original Assignee
Vedeckovyzkumny Uhelny Ustav
Koezponti Banyaszati Fejleszte
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 Vedeckovyzkumny Uhelny Ustav, Koezponti Banyaszati Fejleszte filed Critical Vedeckovyzkumny Uhelny Ustav
Publication of HUH3510A publication Critical patent/HUH3510A/hu

Links

Classifications

    • 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
    • E21D20/021—Grouting with inorganic components, e.g. cement
    • 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
    • E21D21/008—Anchoring or tensioning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Piles And Underground Anchors (AREA)
  • Sealing Material Composition (AREA)
HU892424A 1988-05-18 1989-05-16 Double-bent hydraulic self-stressing rock bolt HUH3510A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS332688A CS274598B2 (en) 1988-05-18 1988-05-18 Hydraulically clampable roof bolt for rocky massif's stiffening and consolidation

Publications (1)

Publication Number Publication Date
HUH3510A true HUH3510A (en) 1990-12-28

Family

ID=5372970

Family Applications (1)

Application Number Title Priority Date Filing Date
HU892424A HUH3510A (en) 1988-05-18 1989-05-16 Double-bent hydraulic self-stressing rock bolt

Country Status (4)

Country Link
CS (1) CS274598B2 (cs)
DE (1) DE3915921A1 (cs)
FI (1) FI892360L (cs)
HU (1) HUH3510A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ301263B6 (cs) * 2003-01-24 2009-12-23 Ankra, S.R.O. Horninový injektážní svorník a zpusob jeho výroby

Also Published As

Publication number Publication date
CS274598B2 (en) 1991-08-13
FI892360A0 (fi) 1989-05-17
CS8803326A1 (en) 1991-01-15
DE3915921A1 (de) 1989-12-14
FI892360A7 (fi) 1989-11-19
FI892360L (fi) 1989-11-19

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Legal Events

Date Code Title Description
BFD9 Temporary protection cancelled due to non-payment of fee