GB2279386B - A method of reinforcing an underground rock formation - Google Patents

A method of reinforcing an underground rock formation

Info

Publication number
GB2279386B
GB2279386B GB9415748A GB9415748A GB2279386B GB 2279386 B GB2279386 B GB 2279386B GB 9415748 A GB9415748 A GB 9415748A GB 9415748 A GB9415748 A GB 9415748A GB 2279386 B GB2279386 B GB 2279386B
Authority
GB
United Kingdom
Prior art keywords
reinforcing
rock formation
underground rock
underground
formation
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 - Fee Related
Application number
GB9415748A
Other versions
GB2279386A (en
GB9415748D0 (en
Inventor
Jr Frank Calandra
John G Oldsen
John C Stankus
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.)
Jennmar Corp
Original Assignee
Jennmar Corp
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 US08/004,076 external-priority patent/US5314268A/en
Application filed by Jennmar Corp filed Critical Jennmar Corp
Publication of GB9415748D0 publication Critical patent/GB9415748D0/en
Publication of GB2279386A publication Critical patent/GB2279386A/en
Application granted granted Critical
Publication of GB2279386B publication Critical patent/GB2279386B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21D21/008—Anchoring or tensioning means
    • 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
    • E21D21/0006—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by the bolt material

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)
  • Piles And Underground Anchors (AREA)
GB9415748A 1993-01-13 1994-01-13 A method of reinforcing an underground rock formation Expired - Fee Related GB2279386B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/004,076 US5314268A (en) 1993-01-13 1993-01-13 Non-metallic reinforcing rod and method of use in supporting a rock formation
GB9400548A GB2274319A (en) 1993-01-13 1994-01-13 Reinforcing rod for supporting rock formations

Publications (3)

Publication Number Publication Date
GB9415748D0 GB9415748D0 (en) 1994-09-28
GB2279386A GB2279386A (en) 1995-01-04
GB2279386B true GB2279386B (en) 1996-07-24

Family

ID=26304159

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9415748A Expired - Fee Related GB2279386B (en) 1993-01-13 1994-01-13 A method of reinforcing an underground rock formation

Country Status (1)

Country Link
GB (1) GB2279386B (en)

Also Published As

Publication number Publication date
GB2279386A (en) 1995-01-04
GB9415748D0 (en) 1994-09-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990113