ZA8807458D - Measuring device for detecting rock bolt loads - Google Patents

Measuring device for detecting rock bolt loads

Info

Publication number
ZA8807458D
ZA8807458D ZA8807458D ZA8807458D ZA8807458D ZA 8807458 D ZA8807458 D ZA 8807458D ZA 8807458 D ZA8807458 D ZA 8807458D ZA 8807458 D ZA8807458 D ZA 8807458D ZA 8807458 D ZA8807458 D ZA 8807458D
Authority
ZA
South Africa
Prior art keywords
measuring device
rock bolt
detecting rock
bolt loads
loads
Prior art date
Application number
ZA8807458D
Inventor
Leonhardt Joachim
Klein Hans-Dieter
Stephan Peter
Siefer Wilfried
Original Assignee
Bergwerksverband Gmbh.
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 Bergwerksverband Gmbh. filed Critical Bergwerksverband Gmbh.
Publication of ZA8807458D publication Critical patent/ZA8807458D/en

Links

Classifications

    • 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
    • E21D21/02—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection having means for indicating tension

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)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
ZA8807458D 1987-10-06 1988-10-05 Measuring device for detecting rock bolt loads ZA8807458D (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8713420U DE8713420U1 (en) 1987-10-06 1987-10-06 Measuring device for detecting anchor loads

Publications (1)

Publication Number Publication Date
ZA8807458D true ZA8807458D (en) 1989-07-26

Family

ID=6812812

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA8807458D ZA8807458D (en) 1987-10-06 1988-10-05 Measuring device for detecting rock bolt loads

Country Status (6)

Country Link
EP (1) EP0333844A1 (en)
AU (1) AU2558188A (en)
DE (1) DE8713420U1 (en)
ES (1) ES2010821A6 (en)
WO (1) WO1989003518A1 (en)
ZA (1) ZA8807458D (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3122866C2 (en) * 1981-06-10 1984-04-19 Bergwerksverband Gmbh, 4300 Essen Measuring device

Also Published As

Publication number Publication date
DE8713420U1 (en) 1987-12-10
AU2558188A (en) 1989-05-02
WO1989003518A1 (en) 1989-04-20
ES2010821A6 (en) 1989-12-01
EP0333844A1 (en) 1989-09-27

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