# Fundamental mode shape estimation and element stiffness evaluation of girder bridges by using passing tractor-trailers

> Research article (Mechanical Systems and Signal Processing, 2021) · cited 76× · AI/ML

**Wikidata**: [openalex:W4200290684](https://www.wikidata.org/wiki/openalex:W4200290684)  
**Source**: https://4ort.xyz/entity/fundamental-mode-shape-estimation-and-element-stiffness-evaluation-of-girder-bridges-by-using-passing-tractor-trailers