Dr. Zhen Liu is a Postdoctoral Researcher at Tongji University (Shanghai, China) and a Visiting Researcher (Fellowship for International Early Postdocs) at the Institute for Structural Mechanics, Ruhr University Bochum (Germany). He graduated with a Doctor of Engineering in Civil Engineering at Tongji University in 2024. His research expertise specializes in tunnel mechanics, structural modelling, AI-enhanced tunnel diagnostics & strengthening, tunnelling construction safety control, and feasibility/optimization of novel tunnel and subsurface structural system, towards the direction of delivering a resilience- and sustainability-oriented digital framework for managing tunnel assets. He have contributed to 20+ peer-reviewed journal papers (e.g., TUST and AEI) and 15+ international conference presentations (e.g., WTC, EURO:TUN, GeoShanghai, ACUUS etc.), also serve as reviewer for 10+ leading journals (CBM, ES, TUST etc.). Research keywords: Structural mechanics; Nonlinear modelling; AI-assisted structural diagnosis; Multi-source monitoring data fusion; Digital twin; Resilience assessment; Segmental tunnel linings; Structural joints and connections; Fire performance of timber connections; Construction safety control.