成达万高铁遂宁站北站房主体工程完工

Core Points - The main structure of the north station building of the Chengdu-Dazhou-Wanzhou High-speed Railway (referred to as "CDW High-speed Railway") in Suining has been completed, marking a transition to the decoration and renovation phase [1][3] - The CDW High-speed Railway is a significant part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, starting from Chengdu and passing through several cities before connecting to the existing Zheng-Yu High-speed Railway [3] - The Suining station will expand its building area from 11,350 square meters to 35,000 square meters, increasing the maximum capacity from 2,500 to 5,120 passengers, and expanding the station layout from 3 platforms and 9 tracks to 6 platforms and 16 tracks [3][4] Construction Details - The completed roof structure of the north station building weighs 800 tons, measuring 81 meters in length and 82 meters in width, utilizing a complex welded ball grid structure [4] - The construction involved assembling 295 welded balls, 1,063 rods, and 2,126 weld seams, employing advanced techniques and high-precision hydraulic equipment for the installation [4]