厦门机场片区莲嶝大桥建设顺利推进

Core Viewpoint - The completion of the main structure of the Xiamen Airport Lianzheng Bridge marks a significant milestone in the project, facilitating the final push towards the main bridge's construction [1] Group 1: Project Overview - The Lianzheng Bridge project, managed by Xiamen Road and Bridge Engineering Investment Development Co., Ltd. and constructed by China Railway Tunnel Group, connects Lianhe East Road to the airport's northern road, spanning the South Port sea area [1] - The project includes two freight channel bridges and a bonded channel bridge, with the freight channel measuring approximately 1.6 kilometers and serving both passenger and cargo transport [1] - The bonded channel bridge, approximately 3 kilometers long, connects the Lianhe Comprehensive Bonded Zone to the Dazhong Island Comprehensive Bonded Zone, serving as a dedicated passage for the airport's bonded area [1] Group 2: Construction Challenges and Innovations - The construction team faced multiple challenges, including harsh sea winds, tidal influences, and limited space, but overcame these obstacles with precision [1] - The use of wedge-shaped drop blocks, which allow for millimeter-level adjustment, replaced traditional sandboxes, providing advantages such as easy installation, simple maintenance, and uniform load transfer, thereby preventing support slip and tilt [1] Group 3: Impact on Regional Transportation - The Lianzheng Bridge is a crucial maritime passage connecting Xiamen Xiang'an International Airport to the Lianhe area, significantly improving external travel conditions and activating the regional transportation network [1] - The bridge addresses the "last mile" bottleneck in cargo transport to Xiang'an Airport, greatly enhancing the convenience and efficiency of the regional transportation network [1]