Ke Ji Ri Bao·2025-09-11 00:01Core Viewpoint - The application of artificial intelligence (AI) in the replacement of railway bridge beams marks a significant advancement in China's railway infrastructure, providing a new solution for the renovation and upgrade of existing railways [1] Group 1: AI Implementation - The project at Shaoxing intercity railway's Keqiao station successfully utilized AI technology for the first time in the operation of railway bridges, achieving millimeter-level precision in beam placement [1] - The AI system comprises three main modules: perception, simulation, and control, which work together to monitor and manage the beam replacement process [1] Group 2: Technical Details - The perception module integrates advanced technologies such as grating, wire sensors, strain gauges, and BeiDou positioning to monitor the beam's settlement, stress, and displacement in real-time [1] - The simulation module visualizes the entire construction process through a digital twin platform, while the control module uses intelligent algorithms to predict beam movement trends and automatically corrects any deviations [1] Group 3: Engineering Significance - This project represents the first instance of a switch continuous beam replacement in China, addressing the unique structural and stress characteristics of the switch area [1] - The development of a high-precision finite element analysis model allows for comprehensive simulation and analysis throughout the entire process, filling a gap in the field of switch area renovation [1]