突尼斯最大在建桥梁四川造

Core Viewpoint - The construction of the Bise Bridge in Tunisia, the largest ongoing bridge project in the country, has officially entered the main structural construction phase with the drilling of the first permanent pile on July 18, 2023, marking a significant milestone for the project [2] Group 1: Project Overview - The Bise Bridge project spans a total length of 2070 meters, with a main span of 292.5 meters and a bridge deck width of 25 meters, accommodating four lanes of traffic and pedestrian pathways [2] - The project is funded by the European Investment Bank and the African Development Bank, with a signed contract amounting to approximately 1.42 billion RMB [2] - The construction is expected to take 38 months, with a completion date set for July 18, 2024, utilizing an EPC (Engineering, Procurement, and Construction) model [2] Group 2: Technical and Environmental Considerations - The project team has developed control process plans for key construction techniques, including high-altitude steel truss installation, long trestles, large platforms, and ultra-long pile foundations in the sea [2] - A comprehensive ecological baseline survey was conducted over three months to identify the ecological environment and biodiversity characteristics, laying the groundwork for ongoing ecological monitoring [2] - Advanced measures such as floating barriers to control suspended solids and mist cannons to suppress dust will be implemented to minimize environmental impact during construction [2] Group 3: Economic and Social Impact - The Bise Bridge will alleviate traffic congestion caused by the previous old bridge, which required scheduled closures for shipping, thus enhancing regional economic development and improving local residents' travel conditions [2]