# Safety risk assessment of shield tunneling under existing tunnels: A hybrid trapezoidal cloud model and Bayesian network approach

> Research article (Tunnelling and Underground Space Technology, 2024) · cited 27× · AI/ML

**Wikidata**: [openalex:W4400348517](https://www.wikidata.org/wiki/openalex:W4400348517)  
**Source**: https://4ort.xyz/entity/safety-risk-assessment-of-shield-tunneling-under-existing-tunnels-a-hybrid-trapezoidal-cloud-model-and-bayesian-network-