Outdoor gantry cranes are widely used in ports, shipyards, steel yards, and construction sites for lifting and moving heavy loads. Unlike indoor cranes, outdoor gantry cranes face unique environmental challenges, including wind loads, earthquakes, and other weather-related forces. Designing these cranes to be wind-resistant and seismic-proof is critical for ensuring operational safety, structural integrity, and long-term reliability. 1. Environmental Challenges for Outdoor Ga