STORABLE BOX-SHAPED CASTING AND CURING DEVICE FOR FILLER AND CASTING AND CURING METHOD FOR FILLER

METHOD AND APPARATUS FOR USE IN STOPE BACKFILL MINING

System and method for monitoring bearing compression rate of filler in coal mine gob area

Filling mining method for fully-mechanized top coal caving working face

Method of recovering room-and-pillar coal pillar by using external replacement supports

Roadway forming method by expanding excavating and filling gangue paste in thick coal seam

Method for recovering room-mining coal pillars by solid filling in synergy with artificial pillars

System and method for forming a cavity in a backfilled stope

Method and an apparatus for creating a void for underground mining

Fill fence system and method for installing same

Method for removing hydraulic support for solid filling coal mining

Inclined layered solid-filling mining method in ultrathick coal layer

MINE SEAL WITH ELECTRICALLY NON-CONDUCTIVE TIES

Stowing method for goaf of potash salt ore

CONTAINER FOR FORMING A BARRIER IN AN ENCLOSED ENVIRONMENT

Mine seal with electrically non-conductive ties

Shaft plugging system