TY  - EJOU
AU  - Chang, Zhengyan 
AU  - Wang, Weiwei 
AU  - Yang, Mingliang 
AU  - Yang, Heng 
AU  - Dong, Qing 
AU  - Zhao, Keyuan 
AU  - Yuwen, Jie 

TI  - Seismic Optimization Method of Nuclear Power Crane Structure
T2  - Structural Durability \& Health Monitoring

PY  - 2026
VL  - 20
IS  - 1
SN  - 1930-2991

AB  - To address the neglect of seismic performance in conventional double-girder bridge crane optimization, this paper introduces a time-history analysis-based seismic optimization methodology for crane structures. Using a 25-t nuclear power crane as a case study, a bridge frame finite element model is established and validated through static analysis, confirming its accurate representation of the physical entity’s mechanical behavior. Furthermore, with bridge mass reduction as the objective and structural strength, stiffness, stability, and seismic mechanical performance as constraints, an optimization model is developed employing the Whale Optimization Algorithm (WOA).
KW  - Bridge crane; time history analysis; structure optimization; seismic analysis

DO  - 10.32604/sdhm.2025.066572