METHOD FOR ERECTION OF CEILING OF UNDERGROUND STRUCTURE Russian patent published in 1995 - IPC

Abstract RU 2030586 C1

FIELD: mining. SUBSTANCE: method for erection of ceiling of underground structure includes diving of through opening along the axis of design contour of ceiling, and blind drifts square to through opening. Blind drifts are driven at distance from one another multiple to their width and filled with cementing mortar. After hardening of mortar, adjacent blind drifts are driven and filled with cementing mortar. When blind drifts are filled, through opening is filled. EFFECT: higher efficiency. 3 dwg

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RU 2 030 586 C1

Authors

Krivenko Jurij Jur'Evich[Ua]

Girin Vjacheslav Stanislavovich[Ua]

Tarasjutin Viktor Mikhajlovich[Ua]

Gul' Anatolij Akimovich[Ru]

Girin Igor' Vjacheslavovich[Ua]

Dates

1995-03-10Published

1990-12-04Filed