AU5929799A - Method of and apparatus for prestressing a support in underground mines - Google Patents

Method of and apparatus for prestressing a support in underground mines

Info

Publication number
AU5929799A
AU5929799A AU59297/99A AU5929799A AU5929799A AU 5929799 A AU5929799 A AU 5929799A AU 59297/99 A AU59297/99 A AU 59297/99A AU 5929799 A AU5929799 A AU 5929799A AU 5929799 A AU5929799 A AU 5929799A
Authority
AU
Australia
Prior art keywords
prestressing
support
underground mines
mines
underground
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.)
Abandoned
Application number
AU59297/99A
Inventor
Petrus Nicolaas Erasmus
Michael Reinhardt Grobbler
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.)
GRINAKER CONSTRUCTION Ltd
Original Assignee
GRINAKER CONSTR 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 GRINAKER CONSTR Ltd filed Critical GRINAKER CONSTR Ltd
Publication of AU5929799A publication Critical patent/AU5929799A/en
Abandoned legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • E21D11/157—Laggings making use of fluid cushions, e.g. the fluid containing a hardenable material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/48—Chocks or the like
    • E21D15/483—Chocks or the like made of flexible containers, e.g. inflatable, with or without reinforcement, e.g. filled with water, backfilling material or the like

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)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
AU59297/99A 1998-08-24 1999-08-24 Method of and apparatus for prestressing a support in underground mines Abandoned AU5929799A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ZA98/4504 1998-08-24
ZA984504 1998-08-24
PCT/ZA1999/000071 WO2000011319A1 (en) 1998-08-24 1999-08-24 Method of and apparatus for prestressing a support in underground mines

Publications (1)

Publication Number Publication Date
AU5929799A true AU5929799A (en) 2000-03-14

Family

ID=25587034

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59297/99A Abandoned AU5929799A (en) 1998-08-24 1999-08-24 Method of and apparatus for prestressing a support in underground mines

Country Status (2)

Country Link
AU (1) AU5929799A (en)
WO (1) WO2000011319A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002224497A1 (en) * 2000-11-21 2002-06-03 Chimica Edile Production (Pty) Limited Method and apparatus for pre-stressing a roof support
DE502005006010D1 (en) * 2005-09-08 2009-01-02 Amberg Engineering Ag Compliance element for a underground room

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1752101A (en) * 1926-12-22 1930-03-25 Meutsch Heinrich Mining prop
DE3500041A1 (en) * 1985-01-03 1986-07-10 Ketterer, Klaus, Dipl.-Ing., 4150 Krefeld CONTAINER FOR FILLING CAVES IN MINING
DE4343313A1 (en) * 1992-12-23 1994-07-14 Langerbein Scharf Gmbh & Co Kg Active support threshold for pit expansion in longwall and track
CA2144612A1 (en) * 1994-03-17 1995-09-18 Hl & H Timber Products (Pty) Ltd. High pressure bag
DE4430552A1 (en) * 1994-08-27 1996-02-29 Gebhardt & Koenig Gesteins Und Walling equipment for underground mining

Also Published As

Publication number Publication date
WO2000011319A1 (en) 2000-03-02

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase