METHOD FOR FORTIFYING MINE WORKINGS DRIVEN IN ROCK MATTER LIABLE TO HEAVING

FIELD: mining industry. SUBSTANCE: method particularly relates to mine support units installed in horizontal and inclined development workings with heaving soft rock matter at side of floor in workings. In compliance with method, installed is main support of technologically preset profile, roof is s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	RADIKOVSKIJ M.I, ATRUSHKEVICH A.A, SURKOV A.V
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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