漳汕高铁东山跨海特大桥建设驶入“快车道”

Core Viewpoint - The construction of the Zhangshan High-speed Railway Dongshan Cross-sea Bridge has entered a new phase, marked by the successful completion of the bridge deck and the first offshore pier, indicating accelerated progress in the project [1][2]. Group 1: Project Overview - The Dongshan Cross-sea Bridge spans 20.26 kilometers, connecting Yunxiao County, Dongshan County, and Zhao'an County in Fujian Province, and is a key control project of the Zhangshan High-speed Railway [1]. - The bridge is constructed by Southeast Coastal Railway Fujian Co., Ltd., with the China Railway Bridge Bureau Group responsible for the construction [1]. Group 2: Construction Techniques and Challenges - The project team utilized advanced technologies, including the Beidou satellite positioning system, to enhance the precision of pile driving operations, ensuring that the construction machinery followed predetermined paths [2]. - The team overcame challenges posed by complex local hydrological conditions and significant tidal differences through an intelligent monitoring system that tracked tidal changes, optimizing the construction schedule [2]. Group 3: Impact on Regional Connectivity - Upon completion, the Zhangshan High-speed Railway will integrate with the Fuzhou-Xiamen High-speed Railway and the Shantou-Shantou High-speed Railway, enhancing the regional transportation network and promoting resource integration between Guangdong and Fujian provinces [2].