# Thickness regression for backfill grouting of shield tunnels based on GPR data and CatBoost & BO-TPE: A full-scale model test study

> Research article (Underground Space, 2023) · cited 16× · AI/ML

**Wikidata**: [openalex:W4389454935](https://www.wikidata.org/wiki/openalex:W4389454935)  
**Source**: https://4ort.xyz/entity/thickness-regression-for-backfill-grouting-of-shield-tunnels-based-on-gpr-data-and-catboost-amp-bo-tpe-a-full-scale-mode