GB2434626A - Rock bolt with modified tip geometry - Google Patents

Rock bolt with modified tip geometry Download PDF

Info

Publication number
GB2434626A
GB2434626A GB0701799A GB0701799A GB2434626A GB 2434626 A GB2434626 A GB 2434626A GB 0701799 A GB0701799 A GB 0701799A GB 0701799 A GB0701799 A GB 0701799A GB 2434626 A GB2434626 A GB 2434626A
Authority
GB
United Kingdom
Prior art keywords
bolt
tip
geometry
pilot hole
reinforcement device
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.)
Withdrawn
Application number
GB0701799A
Other languages
English (en)
Other versions
GB0701799D0 (en
Inventor
Luis B Giraldo
Steven A Cotten
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.)
Raytheon Co
Original Assignee
Raytheon UTD Inc
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 Raytheon UTD Inc filed Critical Raytheon UTD Inc
Publication of GB0701799D0 publication Critical patent/GB0701799D0/en
Publication of GB2434626A publication Critical patent/GB2434626A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/004Bolts held in the borehole by friction all along their length, without additional fixing means
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts

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)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Joining Of Building Structures In Genera (AREA)
GB0701799A 2006-01-31 2007-01-31 Rock bolt with modified tip geometry Withdrawn GB2434626A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76337006P 2006-01-31 2006-01-31

Publications (2)

Publication Number Publication Date
GB0701799D0 GB0701799D0 (en) 2007-03-07
GB2434626A true GB2434626A (en) 2007-08-01

Family

ID=37873068

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0701799A Withdrawn GB2434626A (en) 2006-01-31 2007-01-31 Rock bolt with modified tip geometry

Country Status (9)

Country Link
US (1) US20070297862A1 (ru)
CN (1) CN101029571A (ru)
AU (1) AU2007200391A1 (ru)
CA (1) CA2576116A1 (ru)
DE (1) DE102007006277A1 (ru)
GB (1) GB2434626A (ru)
PL (1) PL381631A1 (ru)
RU (1) RU2007103541A (ru)
ZA (1) ZA200700740B (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015072828A1 (es) * 2013-11-15 2015-05-21 Aguilar Vera Oscar Octavio Ancla minera con rosca en punta
WO2015072837A1 (es) * 2013-11-15 2015-05-21 Aguilar Vera Oscar Octavio Ancla minera con rosca continua

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008001904A1 (de) * 2008-05-21 2009-11-26 Hilti Aktiengesellschaft Setzverfahren zum Verankern eines Befestigungselementes
AU2010281691B2 (en) * 2009-08-05 2014-05-15 F.M. Locotos Co., Inc. Tensionable tubular resin anchored tubular bolt and method
CA2767209C (en) * 2010-03-19 2013-08-13 Dywidag-Systems International Canada Ltd. A yielding spiral bolt appendage for a rock bolt
US20120155970A1 (en) * 2010-12-15 2012-06-21 Fci Holdings Delaware, Inc. Mine Roof Bolt With End Fitting
PL3265651T3 (pl) 2015-03-03 2020-11-02 J-Lok Co. Żywica dwuskładnikowa nadająca się do pompowania
PL3507455T3 (pl) 2016-09-02 2021-06-14 J-Lok Co. System żywicy nadającej się do pompowania
SE541304C2 (sv) * 2017-10-27 2019-06-25 Epiroc Rock Drills Ab Förfarande och system för att säkerställa kvaliteten på en flerkomponentsblandning för bergförstärkning
CN114622594A (zh) * 2022-03-09 2022-06-14 天津大学 一种模块化的筒型基础辅助沉放装置及入土沉放方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1271374A (en) * 1969-02-18 1972-04-19 Ici Ltd Improvements relating to anchor bolts and methods of installing same
EP0005987A1 (en) * 1978-05-31 1979-12-12 Exchem Holdings Limited Cementitious cartridge for rock-bolting
GB1599918A (en) * 1978-05-31 1981-10-07 Exchem Holdings Grouting cartridge for rock-bolting
AU717939B2 (en) * 1996-12-23 2000-04-06 Dywidag-Systems International Pty. Limited Rock bolt with grout mixing device
DE10046804A1 (de) * 2000-09-18 2002-04-04 Erich Borgmeier Kombinierte Meißel- und Mischspitze für Fels- / Gebirgsanker
US20050039952A1 (en) * 2003-08-20 2005-02-24 Hill John L. Drilling apparatus, method, and system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2223544B1 (ru) * 1973-04-02 1976-05-07 Arbed
DE2538821A1 (de) * 1975-09-01 1977-03-03 Hilti Ag Klebeanker

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1271374A (en) * 1969-02-18 1972-04-19 Ici Ltd Improvements relating to anchor bolts and methods of installing same
EP0005987A1 (en) * 1978-05-31 1979-12-12 Exchem Holdings Limited Cementitious cartridge for rock-bolting
GB1599918A (en) * 1978-05-31 1981-10-07 Exchem Holdings Grouting cartridge for rock-bolting
AU717939B2 (en) * 1996-12-23 2000-04-06 Dywidag-Systems International Pty. Limited Rock bolt with grout mixing device
DE10046804A1 (de) * 2000-09-18 2002-04-04 Erich Borgmeier Kombinierte Meißel- und Mischspitze für Fels- / Gebirgsanker
US20050039952A1 (en) * 2003-08-20 2005-02-24 Hill John L. Drilling apparatus, method, and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015072828A1 (es) * 2013-11-15 2015-05-21 Aguilar Vera Oscar Octavio Ancla minera con rosca en punta
WO2015072837A1 (es) * 2013-11-15 2015-05-21 Aguilar Vera Oscar Octavio Ancla minera con rosca continua

Also Published As

Publication number Publication date
ZA200700740B (en) 2007-11-28
AU2007200391A1 (en) 2007-08-16
PL381631A1 (pl) 2007-08-06
CA2576116A1 (en) 2007-07-31
CN101029571A (zh) 2007-09-05
GB0701799D0 (en) 2007-03-07
US20070297862A1 (en) 2007-12-27
DE102007006277A1 (de) 2007-08-23
RU2007103541A (ru) 2008-08-10

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)