贵州花江峡谷大桥完成通车前“关键体检”

Core Points - The Huajiang Grand Canyon Bridge, the tallest bridge in the world, successfully completed its load test on August 25, 2023, and is set to open in late September [1][2] - The bridge spans 2890 meters with a height of 625 meters above water, and features a main span of 1420 meters, making it the longest span for mountain bridges globally [1] - The load test involved dynamic and static assessments with a total load capacity reaching 3300 tons, ensuring the bridge meets safety and performance standards [1][2] Infrastructure Development - The load test serves as the first "health record" for the bridge, providing essential data for future acceptance and maintenance [2] - The construction faced challenges such as temperature control for large concrete volumes and steep slope construction, which were successfully overcome by the construction team [2] - Guizhou province, characterized by its mountainous terrain, has built over 30,000 bridges to enhance transportation infrastructure, addressing long-standing economic development bottlenecks [2] Economic Impact - The completion of the bridge will significantly reduce travel time between two banks from 2 hours to just 2 minutes, facilitating tourism and regional development [3] - The bridge is expected to promote local economic growth and support rural revitalization efforts by connecting various tourist attractions [3]