# Depth detection of subsurface voids in concrete-filled steel tubular (CFST) structure using percussion and decision tree

> Research article (Measurement, 2020) · cited 62× · AI/ML

**Wikidata**: [openalex:W3027026717](https://www.wikidata.org/wiki/openalex:W3027026717)  
**Source**: https://4ort.xyz/entity/depth-detection-of-subsurface-voids-in-concrete-filled-steel-tubular-cfst-structure-using-percussion-and-decision-tree