I-shaped tray and gob-side entry retaining gob side supporting structure

The invention relates to an I-shaped tray and a gob-side entry retaining gob-side supporting structure, belongs to the technical field of gob-side entry retaining coal-pillar-free mining, and solves the problems that an existing anchor rod tray cannot control the stability of the gob-side supporting...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QI CHAOXIN, CAO ZUOYONG, DU HENG, LONG JINGKUI, AN YUBO, TAO XIAO, ZHANG QIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!