ZA877422B - Earth strata bolts or anchorages - Google Patents

Earth strata bolts or anchorages

Info

Publication number
ZA877422B
ZA877422B ZA877422A ZA877422A ZA877422B ZA 877422 B ZA877422 B ZA 877422B ZA 877422 A ZA877422 A ZA 877422A ZA 877422 A ZA877422 A ZA 877422A ZA 877422 B ZA877422 B ZA 877422B
Authority
ZA
South Africa
Prior art keywords
anchorages
earth strata
bolts
strata bolts
earth
Prior art date
Application number
ZA877422A
Inventor
Allan Richard Hilton
Richard Hilton Allan
Original Assignee
Fladermaus Holdings Limited
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 Fladermaus Holdings Limited filed Critical Fladermaus Holdings Limited
Publication of ZA877422B publication Critical patent/ZA877422B/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
    • E21D21/0086—Bearing plates
    • 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
    • E21D21/004—Bolts held in the borehole by friction all along their length, without additional fixing 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
    • E21D21/02—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)
  • Piles And Underground Anchors (AREA)
  • Revetment (AREA)
  • Artificial Fish Reefs (AREA)
ZA877422A 1986-10-02 1987-10-02 Earth strata bolts or anchorages ZA877422B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868623686A GB8623686D0 (en) 1986-10-02 1986-10-02 Strata bolts

Publications (1)

Publication Number Publication Date
ZA877422B true ZA877422B (en) 1988-06-29

Family

ID=10605157

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA877422A ZA877422B (en) 1986-10-02 1987-10-02 Earth strata bolts or anchorages

Country Status (4)

Country Link
AU (1) AU8032987A (en)
GB (1) GB8623686D0 (en)
WO (1) WO1988002437A1 (en)
ZA (1) ZA877422B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1331705C (en) * 1988-07-26 1994-08-30 Richard Roy Wood Rock anchor
AU3389299A (en) * 1998-03-30 1999-10-18 Craig John Smith A friction rock stabilizer
EP3384131B1 (en) * 2015-11-30 2021-01-06 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
DE1110591B (en) * 1960-04-30 1961-07-13 Hans Ziller Robust rock bolt
DE2556019A1 (en) * 1975-12-12 1977-06-23 Tornado Gmbh DOWEL ANCHORS
US4098087A (en) * 1976-12-02 1978-07-04 Battelle Development Corporation Anchoring bolt and method
US4183699A (en) * 1978-05-18 1980-01-15 Donan David C Jr Washer/gasket for mine roof bolt assembly
US4312604A (en) * 1980-07-17 1982-01-26 Ingersoll-Rand Co. Friction rock stabilizer set, and a method of fixing a friction rock stabilizer in an earth structure bore
GB2153475A (en) * 1984-01-23 1985-08-21 Edward Victor Byers Anchoring of rock bolts

Also Published As

Publication number Publication date
GB8623686D0 (en) 1986-11-05
WO1988002437A1 (en) 1988-04-07
AU8032987A (en) 1988-04-21

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