# A study on the bearing effect of pier column backfilling in the goaf of a thin coal seam

> Research article (Geosciences Journal, 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W2271055222](https://www.wikidata.org/wiki/openalex:W2271055222)  
**Source**: https://4ort.xyz/entity/a-study-on-the-bearing-effect-of-pier-column-backfilling-in-the-goaf-of-a-thin-coal-seam