近300吨“钢铁方舟”凌空飞渡 武汉双柳长江大桥首片钢箱梁吊装成功

Core Points - The successful installation of the first steel box girder marks a new phase in the construction of the Wuhan Shuangliu Yangtze River Bridge, which is a significant project for the national highway network [1] - The bridge will significantly reduce travel time from Xinzhou to Ezhou from one and a half hours to five minutes, facilitating the integration of the Wuhan metropolitan area [2] Summary by Sections Project Overview - The Wuhan Shuangliu Yangtze River Bridge, part of the G9906 Wuhan metropolitan ring line, spans 35.04 kilometers with a main span of 1430 meters and a width of 50.5 meters, designed for a speed of 120 km/h [1] - It features a dual eight-lane standard and is currently the widest steel box girder suspension bridge on the Yangtze River, referred to as the "first bridge" of Wuhan's "East Gate" [1] Construction Details - The main span consists of 90 girder segments, with the first segment being 13 meters long, 4 meters high, and weighing approximately 298.6 tons [1] - A digital twin system is employed to monitor the stress, deformation, and lifting posture of the cable crane in real-time, ensuring precision control within millimeter levels [1] Economic Impact - The bridge will enhance logistics capabilities by connecting Yangluo International Port to Huahu Airport and the Wuhan National Aerospace Industry Base with Optics Valley, promoting integrated development [2]