ZA200202163B - "A rock anchor". - Google Patents

"A rock anchor".

Info

Publication number
ZA200202163B
ZA200202163B ZA200202163A ZA200202163A ZA200202163B ZA 200202163 B ZA200202163 B ZA 200202163B ZA 200202163 A ZA200202163 A ZA 200202163A ZA 200202163 A ZA200202163 A ZA 200202163A ZA 200202163 B ZA200202163 B ZA 200202163B
Authority
ZA
South Africa
Prior art keywords
rock anchor
rock
anchor
Prior art date
Application number
ZA200202163A
Inventor
Johannes Diderick De Klerk
Christiaan Willem Hauptfleisch
Stanley Nance-Kivell
Original Assignee
Johannes Diderick De Klerk
Christiaan Willem Hauptfleisch
Nance Kivell S
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 Johannes Diderick De Klerk, Christiaan Willem Hauptfleisch, Nance Kivell S filed Critical Johannes Diderick De Klerk
Priority to ZA200202163A priority Critical patent/ZA200202163B/en
Priority to PCT/IB2002/004022 priority patent/WO2003033877A1/en
Publication of ZA200202163B publication Critical patent/ZA200202163B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
    • F16B31/028—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load with a load-indicating washer or washer assembly
    • 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)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Piles And Underground Anchors (AREA)
ZA200202163A 2001-10-15 2002-03-15 "A rock anchor". ZA200202163B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ZA200202163A ZA200202163B (en) 2001-10-15 2002-03-15 "A rock anchor".
PCT/IB2002/004022 WO2003033877A1 (en) 2001-10-15 2002-10-01 A rock anchor load indicator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200108452 2001-10-15
ZA200202163A ZA200202163B (en) 2001-10-15 2002-03-15 "A rock anchor".

Publications (1)

Publication Number Publication Date
ZA200202163B true ZA200202163B (en) 2002-10-24

Family

ID=27145594

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200202163A ZA200202163B (en) 2001-10-15 2002-03-15 "A rock anchor".

Country Status (2)

Country Link
WO (1) WO2003033877A1 (en)
ZA (1) ZA200202163B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2881776B1 (en) * 2005-02-04 2008-10-03 Germain Ancel MAXIMUM EFFORT ALERT DEVICE IN A FORMWORK HOLDING ROD
EP1980712A1 (en) * 2007-04-13 2008-10-15 Lipsker & Partners Engineering Services (1975) Ltd Load cell for ground anchors
CN103422890B (en) * 2013-07-26 2016-06-01 山东大学 A kind of novel anchor rod withdrawal resistance alarm and using method thereof
CN103670473B (en) * 2013-11-28 2017-01-18 尤洛卡（山东）深部地压防治安全技术有限公司 Anchor bolt fastening force status indication washer
US9574597B2 (en) 2014-06-30 2017-02-21 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Fastening device
CA2985365C (en) 2015-05-14 2023-09-12 Lifepoint International Pty. Limited Anchor, indicator, anchor assembly and fall arrest system
MX2018016124A (en) * 2016-06-21 2019-05-30 Alert Tech Inc Sensing device for a rock bolt.
CN117988908B (en) * 2024-04-03 2024-06-11 武汉大学 Graded early warning anchor rod based on liquid metal and early warning method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021747A (en) * 1953-03-19 1962-02-20 Goodyear Tire & Rubber Method and washer means including a calibrated rubber layer for measuring bolt tension
DE1144945B (en) * 1958-12-06 1963-03-07 Salzdefurth Ver Kaliwerke Device for debit note
US3104645A (en) * 1961-03-22 1963-09-24 Harrison Henry Bolt stress indicator
GB8501896D0 (en) * 1985-01-25 1985-02-27 Clay Cross Co Plc Load-indicating device
CA2018970A1 (en) * 1990-06-13 1991-12-13 Gordon R. Friesen Rockbolt load indicator

Also Published As

Publication number Publication date
WO2003033877A1 (en) 2003-04-24

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