PL292203A1 - Method of filling roof breakouts and retaining mat for use in that method - Google Patents

Method of filling roof breakouts and retaining mat for use in that method

Info

Publication number
PL292203A1
PL292203A1 PL29220391A PL29220391A PL292203A1 PL 292203 A1 PL292203 A1 PL 292203A1 PL 29220391 A PL29220391 A PL 29220391A PL 29220391 A PL29220391 A PL 29220391A PL 292203 A1 PL292203 A1 PL 292203A1
Authority
PL
Poland
Prior art keywords
breakouts
retaining mat
filling roof
roof
filling
Prior art date
Application number
PL29220391A
Inventor
Peter Hahn
Original Assignee
Willich F Berg Bautechnik
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 Willich F Berg Bautechnik filed Critical Willich F Berg Bautechnik
Publication of PL292203A1 publication Critical patent/PL292203A1/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14Lining predominantly with metal
    • E21D11/15Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
    • E21D11/157Laggings making use of fluid cushions, e.g. the fluid containing a hardenable material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Revetment (AREA)
PL29220391A 1990-11-02 1991-10-28 Method of filling roof breakouts and retaining mat for use in that method PL292203A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4034810 1990-11-02
DE19914122568 DE4122568A1 (en) 1990-11-02 1991-07-08 Method of filling voids arising from roof falls in mining - involves propping shield and placing on it reinforcing mat and plastic bag filled with lightweight concrete

Publications (1)

Publication Number Publication Date
PL292203A1 true PL292203A1 (en) 1992-07-13

Family

ID=25898189

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29220391A PL292203A1 (en) 1990-11-02 1991-10-28 Method of filling roof breakouts and retaining mat for use in that method

Country Status (2)

Country Link
DE (1) DE4122568A1 (en)
PL (1) PL292203A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2247826T3 (en) * 2008-02-19 2015-01-30 Rag Ag Method for the controlled maintaining of a distance between the roof and the face in longwall mining operations

Also Published As

Publication number Publication date
DE4122568A1 (en) 1992-05-07

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