Coal mine tunnel floor heave treatment method

The embodiment of the invention discloses a coal mine roadway floor heave treatment method which can effectively solve the problem of roadway floor heave. Comprising the steps that a drilling machine drills a hole downwards in a mine roadway bottom plate through a twist drill rod; an orifice pipe is...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI JIANGFENG, LIU JIAN, CHEN JIN, GUO CHAO, WANG DONGPING, GUO DONGMING, XIAO BOFENG, KONG WEIGANG, HAO ZHENXIANG, WANG JIAN, WANG HENGKAI, HOU XUBIN, LIU YIFEI, LIU JIAHUA, ZHAO LEI, ZHANG WEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!