South-to-North Water Diversion Bridge on National Highway 310 in Zhengzhou, Henan

        The South-to-North Water Diversion Extra Large Bridge on National Highway 310 in Zhengzhou is China's first extra large bridge with double-limb V-shaped pylons and the longest cantilever casting segment. The bridge has a wide deck, long segments, and heavy hanging baskets. The double-limb V-shaped pylon has a special structure, strict environmental protection requirements, high difficulty in installing long and heavy cable saddles, and precise alignment control requirements.