# Formulation, validation and application of a practice-oriented two-surface plasticity sand model

> Research article (Computers and Geotechnics, 2021) · cited 45× · AI/ML

**Wikidata**: [openalex:W3122144626](https://www.wikidata.org/wiki/openalex:W3122144626)  
**Source**: https://4ort.xyz/entity/formulation-validation-and-application-of-a-practice-oriented-two-surface-plasticity-sand-model