ARTIFICIAL POWERED PILLAR

FIELD: support of breakage faces and junction of faces with drifts on gently dipping beds with stable difficult-to-cave roof, mainly, with long-wall mineral mining by underground method. SUBSTANCE: the offered pillar includes interrelated system of powered support consisting of face unit, yielding u...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHULOCHNIKOV V.P, KAJUSHIN V.A, POTAPENKO V.A, PENZIN V.I, OREKHOV I.S, DUBOVSKIJ JU.P, JALEVSKIJ V.D, SIDORCHUK V.K, KOMAROV M.I, TSYPLAKOV E.M, KORZHOV I.B, GRITSAJUK B.I, FRIDFEL'D EH.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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