METHOD FOR DEVELOPMENT WORKING AT CONSTRUCTION OF SUBSTRUCTURES

A method for development working at construction of substructures includes drifting with cross section of arched form, at that form of cross section of working is arranged as a truncated ellipse with its cut coinciding with floor of the working, and center is placed at distance from floor, at that l...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KOVAL NATALIA VOLODYMYRIVNA, KURNOSOV SERHII ANATOLIIOVYCH, SLASCHOV ANTON IHOROVYCH, VOZIANOV VIKTOR STEPANOVYCH
Format:	Patent
Sprache:	eng ; rus ; ukr
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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