ZA201304832B - Hydraulically expandable rock bolt - Google Patents

Hydraulically expandable rock bolt

Info

Publication number
ZA201304832B
ZA201304832B ZA2013/04832A ZA201304832A ZA201304832B ZA 201304832 B ZA201304832 B ZA 201304832B ZA 2013/04832 A ZA2013/04832 A ZA 2013/04832A ZA 201304832 A ZA201304832 A ZA 201304832A ZA 201304832 B ZA201304832 B ZA 201304832B
Authority
ZA
South Africa
Prior art keywords
rock bolt
expandable rock
hydraulically expandable
hydraulically
bolt
Prior art date
Application number
ZA2013/04832A
Inventor
Theodor Daniel Swemmer
Original Assignee
Timrite (Pty) Ltd
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 Timrite (Pty) Ltd filed Critical Timrite (Pty) Ltd
Publication of ZA201304832B publication Critical patent/ZA201304832B/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
    • E21D21/008—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
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0073—Anchoring-bolts having an inflatable sleeve, e.g. hollow sleeve expanded by a fluid

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)
ZA2013/04832A 2010-12-15 2013-06-28 Hydraulically expandable rock bolt ZA201304832B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA201006399 2010-12-15
ZA201006541 2010-12-15

Publications (1)

Publication Number Publication Date
ZA201304832B true ZA201304832B (en) 2014-05-28

Family

ID=46245151

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2013/04832A ZA201304832B (en) 2010-12-15 2013-06-28 Hydraulically expandable rock bolt

Country Status (2)

Country Link
WO (1) WO2012083317A1 (en)
ZA (1) ZA201304832B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9863248B2 (en) 2015-04-23 2018-01-09 Jason L. Moon Friction bolt
CN113153398B (en) * 2021-04-29 2024-06-14 中国科学院武汉岩土力学研究所 Large-deformation prestress hydraulic expansion anchor rod
CN113914338B (en) * 2021-11-16 2022-05-27 大连理工大学 Reinforcing device for improving stability of highway embankment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1643731A1 (en) * 1989-04-24 1991-04-23 Отдел Института горного дела СО АН СССР Anchor for consolidating soils and soft rocks
EP0637676A4 (en) * 1993-01-26 1996-04-18 Sergei Alexeevich Logashkin Pliant bracing prop.
ZA200306395B (en) * 2002-08-19 2004-02-11 John Paul Mckelvey Rock bolt.

Also Published As

Publication number Publication date
WO2012083317A1 (en) 2012-06-21

Similar Documents

Publication Publication Date Title
SG11201504294UA (en) Rock anchor bolt
EP2696084A4 (en) Earth bolt
EP2678528A4 (en) Rock bolt
GB2485004B (en) Expandable packer
SG10201508576SA (en) Ice worthy jack-up drilling unit
EP2655786A4 (en) Downhole release joint with radially expandable member
EP2655788A4 (en) Downhole release joint with radially expandable member
ZA201109216B (en) Rock anchor
ZA201202072B (en) Rock anchor bolt
EP2614217A4 (en) Improved rock drill
ZA201201037B (en) Rock bolt
ZA201400485B (en) Expandable mine bolt
ZA201304832B (en) Hydraulically expandable rock bolt
ZA201203858B (en) Rock bolt
ZA201209266B (en) Rock bolt and rock bolt component
GB201222221D0 (en) Look ahead seismic while drilling
ZA201301612B (en) Rock bolt
ZA201207431B (en) A radially expansible rock bolt
ZA201106738B (en) Expandable rock bolt
BR112013015909A2 (en) rock bolt
ZA201200634B (en) Rock bolts
AU2010905675A0 (en) Rock Bolt
AU2010905672A0 (en) Rock Bolt
AU2010905655A0 (en) Rock Bolt
AU2010905591A0 (en) Rock bolt