METHOD FOR FIXATION OF THE TOP OF MINE WORKING

Method for fixation of the top of the mine working includes operations of slot hole drilling with formation of narrow and widened sections, anchor made of polymer material placing in the slot hole at the widened and the narrow sections, polymerization of material. The broadened section of the slot h...

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Bibliographische Detailangaben
1. Verfasser:	NAZYMKO VIKTOR VIKTOROVYCH
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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Beschreibung
Zusammenfassung:	Method for fixation of the top of the mine working includes operations of slot hole drilling with formation of narrow and widened sections, anchor made of polymer material placing in the slot hole at the widened and the narrow sections, polymerization of material. The broadened section of the slot hole is formed in the weak layer over the strong rock layer. Length of the sector at the narrow section is determined by given relationship.