衢丽铁路衢江特大桥跨芝溪连续梁合龙

Core Insights - The completion of the continuous beam for the Qu-Li Railway's Qujiang Grand Bridge marks significant progress in the project, laying a solid foundation for subsequent construction [2][4][6] Group 1: Project Overview - The Qu-Li Railway, located in the southwestern part of Zhejiang Province, spans approximately 160 kilometers, divided into two phases: Quzhou to Songyang and Songyang to Lishui [2] - The Qujiang Grand Bridge is the longest bridge in the Qu-Li Railway's Qu-Song section, measuring about 10.6 kilometers, and is a key engineering component [2][4] Group 2: Engineering and Construction Techniques - The continuous beam that was completed spans 112 meters and crosses the Zhi Creek waterway, facing high safety risks and strict environmental requirements during construction [2] - The project team employed innovative techniques such as cantilever symmetrical pouring, along with smart tensioning and grouting systems, and remote video monitoring to ensure real-time monitoring and safety during construction [2][6] Group 3: Economic and Regional Impact - Upon completion, the Qu-Li Railway will connect multiple railways in the Quzhou area, enhancing the regional railway network and promoting the development of tourism resources in southwestern Zhejiang [2] - The railway is expected to accelerate high-quality economic and social development in the region [2]