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一天之内,中国拿下两个世界第一
Hu Xiu· 2025-09-29 00:35
Core Points - The Huajiang Grand Canyon Bridge is the tallest bridge in the world at 625 meters and has the longest main span of 1420 meters, making it the highest and the largest canyon span bridge globally [3][4][38] - The bridge was completed and opened to traffic on September 28, 2025, after a construction period of 3 years and 8 months [9][16] - The bridge is a critical component of the Liuzhi to Anlong Expressway, which serves as a major transportation route in Guizhou province, connecting the central and southwestern regions [15][32] Infrastructure and Engineering - Guizhou province has built and is constructing over 32,000 bridges, with nearly half of the world's top 100 tallest bridges located there [12] - The bridge's construction faced significant challenges due to complex geological conditions, strong winds, and high-altitude work requirements [50] - Innovative technologies were employed, including a smart cable system and high-strength steel wires, resulting in 21 patented technologies and contributions to national bridge construction standards [53][62] Economic and Social Impact - The completion of the bridge significantly reduces travel time, cutting the journey from 2 hours to just 2 minutes across the canyon, and from 3 hours to 1.5 hours between Liuzhi and Anlong [65] - The bridge not only serves as a transportation facility but also integrates various commercial and recreational functions, transforming it into a "cloud-based complex" [68][71] - The bridge's design includes a viewing platform, a geological cultural museum, and various entertainment options, enhancing its role as a tourist attraction [71][74]