# Identification of ageing state clusters of reclaimed asphalt binders using principal component analysis (PCA) and hierarchical cluster analysis (HCA) based on chemo-rheological parameters

> Research article (Construction and Building Materials, 2020) · cited 67× · AI/ML

**Wikidata**: [openalex:W3005284412](https://www.wikidata.org/wiki/openalex:W3005284412)  
**Source**: https://4ort.xyz/entity/identification-of-ageing-state-clusters-of-reclaimed-asphalt-binders-using-principal-component-analysis-pca-and-hierarch