Core Viewpoint - The successful completion of the last section of the main tower of the Ma Chao River cable-stayed bridge marks a significant milestone in the construction of the Shanghai-Chongqing-Rongcheng high-speed railway, which is crucial for the national high-speed rail network and the integrated development of the Yangtze River Delta [1][2] Group 1: Project Overview - The Shanghai-Chongqing-Rongcheng high-speed railway serves as an important hub for the national high-speed rail corridor, facilitating east-west connectivity and enhancing the comprehensive transportation network of the Yangtze River Economic Belt [1] - The Ma Chao River cable-stayed bridge, located in Nanjing, Jiangsu Province, spans 522 meters with a main span of 220 meters, representing a major engineering challenge due to its large span and high technical requirements [1] Group 2: Construction Technology and Safety - The project employs a digital management system through a cloud platform for intelligent visualization and monitoring of the construction process across multiple work fronts [2] - A tower crane safety monitoring system has been installed to monitor weight, wind speed, and amplitude throughout the construction process, enhancing safety measures [2] - High-precision stress-temperature dual-mode sensors have been integrated into the tower construction, allowing for real-time data collection and analysis to improve safety and structural health assessment [2] Group 3: Strategic Importance - Upon completion, the project will enhance the connectivity of the northern Jiangsu region, contributing to the optimization of the high-speed rail network and promoting high-quality development in the Yangtze River Delta [2]