新华鲜报｜“横竖”都是世界第一！贵州花江峡谷大桥正式通车

Core Points - The Guizhou Huajiang Grand Canyon Bridge officially opened on September 28, becoming the world's highest bridge at a height of 625 meters above water, surpassing the Beipanjiang First Bridge by nearly 60 meters [1] - The bridge features a main span of 1420 meters, making it the longest span for mountain bridges globally, significantly reducing travel time across the canyon from over two hours to approximately two minutes [1] - Construction of this "super project" took just over three years, showcasing China's rapid infrastructure development capabilities [1] Construction and Engineering Innovations - The bridge's construction faced significant challenges due to complex terrain and extreme weather conditions, including wind speeds reaching typhoon levels [3] - The construction team utilized advanced technologies such as a "smart cableway hoisting system" and a Doppler laser radar wind measurement system to ensure precision and safety during the building process [3] - The project achieved multiple technical breakthroughs in wind resistance design and high-altitude construction, resulting in 21 patented technologies and contributions to national bridge construction standards [3] Significance and Recognition - The completion of the Huajiang Grand Canyon Bridge is seen as a benchmark for China's innovative capabilities in bridge construction, particularly in challenging environments [5] - Guizhou province, known for its mountainous terrain, has constructed over 32,000 bridges, dominating the global rankings for the highest bridges [5] - The province has received the Gustave Lindenthal Medal, often referred to as the Nobel Prize of bridge engineering, four times, highlighting its leadership in the field [5]