ZA763392B - Method and apparatus for supporting the roof of an underground mine working - Google Patents

Method and apparatus for supporting the roof of an underground mine working

Info

Publication number
ZA763392B
ZA763392B ZA763392A ZA763392A ZA763392B ZA 763392 B ZA763392 B ZA 763392B ZA 763392 A ZA763392 A ZA 763392A ZA 763392 A ZA763392 A ZA 763392A ZA 763392 B ZA763392 B ZA 763392B
Authority
ZA
South Africa
Prior art keywords
roof
supporting
underground mine
mine working
working
Prior art date
Application number
ZA763392A
Inventor
K Groetschel
Original Assignee
Groetschel Karl Maria
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 Groetschel Karl Maria filed Critical Groetschel Karl Maria
Publication of ZA763392B publication Critical patent/ZA763392B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0017—Pile type supports
    • E21D23/0026—Pile type supports comprising three walking elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/02—Provisional protective covers for working space for use in longwall working
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Paper (AREA)
  • Shovels (AREA)
ZA763392A 1975-06-11 1976-06-08 Method and apparatus for supporting the roof of an underground mine working ZA763392B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2525978A DE2525978C3 (en) 1975-06-11 1975-06-11 Method and device for securing large areas of the hanging wall area in mining operations with wandering expansion

Publications (1)

Publication Number Publication Date
ZA763392B true ZA763392B (en) 1977-05-25

Family

ID=5948805

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA763392A ZA763392B (en) 1975-06-11 1976-06-08 Method and apparatus for supporting the roof of an underground mine working

Country Status (2)

Country Link
DE (1) DE2525978C3 (en)
ZA (1) ZA763392B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111677538A (en) * 2020-06-16 2020-09-18 陕西竹园嘉原矿业有限公司 Circulating rolling type advance hydraulic support and using method thereof

Also Published As

Publication number Publication date
DE2525978B2 (en) 1977-09-15
DE2525978A1 (en) 1976-12-16
DE2525978C3 (en) 1978-04-20

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