ZA9510653B - Prestress grout bag and filler valve therefor - Google Patents

Prestress grout bag and filler valve therefor

Info

Publication number
ZA9510653B
ZA9510653B ZA9510653A ZA9510653A ZA9510653B ZA 9510653 B ZA9510653 B ZA 9510653B ZA 9510653 A ZA9510653 A ZA 9510653A ZA 9510653 A ZA9510653 A ZA 9510653A ZA 9510653 B ZA9510653 B ZA 9510653B
Authority
ZA
South Africa
Prior art keywords
prestress
filler valve
valve therefor
grout bag
grout
Prior art date
Application number
ZA9510653A
Inventor
Mark Howell
Frans Roelof Petrus Pienaar
Roy David Marcus
Original Assignee
H L & H Timber Prod
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 H L & H Timber Prod filed Critical H L & H Timber Prod
Publication of ZA9510653B publication Critical patent/ZA9510653B/en

Links

Classifications

    • 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
    • E21D15/486—Chocks or the like with essential hydraulic or pneumatic details
    • 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)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
ZA9510653A 1994-12-27 1995-12-14 Prestress grout bag and filler valve therefor ZA9510653B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA9410320 1994-12-27

Publications (1)

Publication Number Publication Date
ZA9510653B true ZA9510653B (en) 1996-07-09

Family

ID=25584698

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9510653A ZA9510653B (en) 1994-12-27 1995-12-14 Prestress grout bag and filler valve therefor

Country Status (2)

Country Link
GB (1) GB2296517B (en)
ZA (1) ZA9510653B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU9043298A (en) * 1997-08-12 1999-03-01 Chengeta, Cuthbert A pre-stressing device for a mine prop
US6547492B1 (en) 1998-08-14 2003-04-15 Fosroc International Limited Inflatable mine support
ZA200800632B (en) 2007-01-18 2008-12-31 Skarboevig Nils Mittet A versatile grout bag type of underground support
ZA200800631B (en) * 2007-01-18 2009-02-25 Skarboevig Nils Mittet A grout bag type of underground support

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131850B (en) * 1982-12-15 1986-09-10 Monier Ltd Hardenable structures for mine passages
GB8923544D0 (en) * 1989-10-19 1989-12-06 Flexadux Plastics Ltd Monolithic packing system etc

Also Published As

Publication number Publication date
GB2296517B (en) 1998-04-15
GB2296517A (en) 1996-07-03
GB9526030D0 (en) 1996-02-21

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