Method and structure for treating bottom heaving of fully-mechanized mining face gate roadway
The invention discloses a method for treating bottom heaving of a fully-mechanized mining face gate roadway. The method includes the following steps that a top plate, a main edge and a subsidiary edge are reinforced and supported; before mining face back production, heaving removal is conducted on a...
Gespeichert in:
Hauptverfasser: | , , , , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Schreiben Sie den ersten Kommentar!