Abstract: In order to study the reasonable approach to treat the civil retention goaf of shallow buried and thin ore-body. Taking a mine in Tangshan region as research background, a reasonable approach is proposed-the uncover backfilling according to the occurrence conditions and characteristics of civil mined-out area. It describes the applicable conditions and the implementation process of the uncover backfilling, which enriches the treatment of mined-out areas. The research results provide guidance to deal with the retention goaf of similar mine.

Key words: Uncover backfilling, Shallow buried, Thin ore-body, Retention goaf