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Author

Liang-Xu Shen

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Open access Sep 2026

Prediction of Joint Roughness Coefficient Using Metaheuristic-Optimized Random Forest Model

Reliable estimation of the joint roughness coefficient (JRC) is important for quantitative characterization of joint roughness and provides an important geometric parameter for subsequent joint shear strength assessment. However, single-parameter empirical models cannot fully capture the combined geometric characterist...

Shi-Jie Xie, Shan-Yong Wang, Hang Lin et al. · 0 citations
Open access Aug 2026

Multi-Source Operational Feature-Driven Cutterhead Torque Prediction in Shield Tunnelling Using an IALA-Optimized Fuzzy Ensemble Deep RVFL Model

Cutterhead driving torque is the primary load indicator of earth-pressure-balance shield machines, yet its dependence on strongly coupled multi-source operating parameters limits the reliability of empirical formulations. This study proposes IALA-edRVFL-FIS-Reg, a fuzzy ensemble deep random vector functional link regre...

Tianxing Ma, Liang-Xu Shen, Hang Sun et al. · 0 citations

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