Скачать с ютуб China's Mega-Bridges: The Pinnacle of Engineering Marvels ｜ 中国特大桥：工程奇迹的巅峰 в хорошем качестве

China's Mega-Bridges: The Pinnacle of Engineering Marvels ｜ 中国特大桥：工程奇迹的巅峰

1. Chishui River Hongjun Bridge (赤水河红军大桥): Located on the Chishui River at the intersection of Sichuan and Guizhou provinces in China, the Hongjun Bridge Over Chishui River serves as a crucial transportation link between the two provinces. Officially opened on January 1, 2020, the bridge has a total length of 2,009 meters. The main span is a 1,200-meter-long, double-tower, single-span steel truss suspension bridge. With a main tower height of 243.5 meters, it is the world's tallest bridge of its type and features the second-longest span among canyon bridges with similar steel truss suspension design. 2. Guizhou Renzun Expressway Dafaqu Viaduct (贵州仁遵高速大发渠特大桥): The Dafaqu Viaduct, a major control engineering project of the Renzun Expressway in Guizhou Province, spans 1,427 meters in total length, with a main span of 410 meters and a bridge width of 33 meters. It is the world's widest bridge of its kind. Situated in the Bozhou District of Zunyi City and the Renhuai City area, the bridge crosses a canyon, connecting both sides and not only improving local transportation conditions but also injecting vitality into regional economic development. 3. Yunnan Yuchu Expressway Lvzhijiang Bridge (云南玉楚高速绿汁江特大桥): Located in Yunnan Province and spanning the Lvzhijiang River, the Lvzhijiang Bridge has a total length of 798 meters, with a main span of 780 meters. The bridge deck accommodates four lanes of traffic in both directions, with a design speed of 100 km/h. It is the world's first single-tower, single-span steel box girder suspension bridge for highway construction, holding three world records. 4. Guizhou Guihuang Expressway Yangbaoshan Bridge (贵州贵黄高速阳宝山特大桥): Situated in the Qiannan Buyi and Miao Autonomous Prefecture of Guizhou Province, the Yangbaoshan Bridge crosses the Dumu River Gorge and forms an essential part of the Guiyang-Huangping Expressway. Construction began in 2017, with the bridge's closure completed on March 27, 2021, and its official opening to traffic on May 31, 2022. The bridge is 1,112 meters long with a main span of 650 meters. It is a single-span steel truss suspension bridge carrying a six-lane highway with a design speed of 100 km/h.