ZA721168B - Improvements in or relating to the consolidation of rock strata - Google Patents

Improvements in or relating to the consolidation of rock strata

Info

Publication number
ZA721168B
ZA721168B ZA721168A ZA721168A ZA721168B ZA 721168 B ZA721168 B ZA 721168B ZA 721168 A ZA721168 A ZA 721168A ZA 721168 A ZA721168 A ZA 721168A ZA 721168 B ZA721168 B ZA 721168B
Authority
ZA
South Africa
Prior art keywords
consolidation
relating
rock strata
strata
rock
Prior art date
Application number
ZA721168A
Inventor
A Askey
J Murphy
Original Assignee
Explosives & Chem Prod
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 GB572971*[A external-priority patent/GB1329905A/en
Application filed by Explosives & Chem Prod filed Critical Explosives & Chem Prod
Publication of ZA721168B publication Critical patent/ZA721168B/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
    • 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
    • E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube

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)
  • Excavating Of Shafts Or Tunnels (AREA)
ZA721168A 1971-03-01 1972-02-22 Improvements in or relating to the consolidation of rock strata ZA721168B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB572971*[A GB1329905A (en) 1970-12-16 1971-03-01 Screening machine

Publications (1)

Publication Number Publication Date
ZA721168B true ZA721168B (en) 1972-11-29

Family

ID=9801543

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA721168A ZA721168B (en) 1971-03-01 1972-02-22 Improvements in or relating to the consolidation of rock strata

Country Status (8)

Country Link
US (1) US3797254A (en)
CA (1) CA944966A (en)
DE (1) DE2209821A1 (en)
ES (1) ES400968A1 (en)
FR (1) FR2170357A5 (en)
GB (1) GB1337015A (en)
IT (1) IT952068B (en)
ZA (1) ZA721168B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1506897A (en) * 1975-11-05 1978-04-12 Ici Ltd Method of securing fixing elements in rock
US4289426A (en) * 1979-09-14 1981-09-15 Ingersoll-Rand Company Friction rock stabilizer and method of forming same, and a method of stabilizing an earth structure
US4378180A (en) * 1980-11-05 1983-03-29 Scott James J Yieldable mine roof support fixture
FI64224C (en) * 1981-04-22 1983-10-10 Neste Oy BERGBULT
CA1331705C (en) * 1988-07-26 1994-08-30 Richard Roy Wood Rock anchor
US5387060A (en) * 1993-03-26 1995-02-07 F. M. Locotos Equipment & Design Co. Tubular mining bolt
AUPM776394A0 (en) * 1994-08-30 1994-09-22 Industrial Rollformers Pty Limited A rock bolt and method of installing a rock bolt
AUPP367598A0 (en) 1998-05-22 1998-06-18 Industrial Rollformers Pty Limited Rock bolt and method of forming a rock bolt
US7037058B2 (en) 2001-03-21 2006-05-02 Industrial Roll Formers Pty. Ltd. Resin embedded rock bolt
US11759293B2 (en) * 2009-08-26 2023-09-19 Joaquin T. Ariza Orthodontic system and method of use
SE535912C2 (en) * 2011-06-30 2013-02-12 Leif Eriksson Expandable rock bolt and a method of manufacturing a rock bolt
CA2798203A1 (en) * 2011-12-14 2013-06-14 Rsc Mining (Pty) Ltd. Rock bolt
AU2016363530B2 (en) * 2015-11-30 2021-08-05 Sandvik Intellectual Property Ab Friction bolt

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1696861A (en) * 1927-03-21 1928-12-25 Locke Insulator Corp Insulator-supporting pin
US2492164A (en) * 1946-07-25 1949-12-27 Carlton G Lutts Elastic proving bar
US2682152A (en) * 1950-04-15 1954-06-29 Bierer Joseph Method of and apparatus for reinforcing and supporting mine roofs and the like
US2879686A (en) * 1952-10-31 1959-03-31 Ohio Brass Co Anchor bolt having test rod to indicate tension changes
DE1178815B (en) * 1961-02-28 1964-10-01 Erich Fritz Dipl Ing Anchor expansion for underground spaces
DE1245292B (en) * 1965-11-27 1967-07-27 Bergwerksverband Gmbh Method for fastening anchor rods in boreholes, particularly in the case of used rock

Also Published As

Publication number Publication date
US3797254A (en) 1974-03-19
DE2209821A1 (en) 1972-09-21
ES400968A1 (en) 1975-02-01
GB1337015A (en) 1973-11-14
FR2170357A5 (en) 1973-09-14
CA944966A (en) 1974-04-09
IT952068B (en) 1973-07-20

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