Sutong Bridge is located in the alluvial plain of the Yangtze River Delta, starting from Nantong in the north and connecting Suzhou in the south. The total length of the bridge is 8206m, the main bridge span of the cable stayed bridge is 1088m, the height of the main tower is 300.4m, the length of the stay cable is 577m, and the plane size of the group pile foundation is 113.75 mX48.1m, both ranked first in the world. It is currently the world's largest span and the most technically difficult cable-stayed bridge. Our company successfully tested the pile in one fell swoop and won high appraisal from the owner, the general contractor and the supervision unit. It successively undertook the construction of the pile foundations of B1 and B2. Among them, the designed pile diameter of the B1 section is 1.2m, 1.5m, and the pile length is 70m, B2 design pile diameter is 1.8m, pile length is 104.5m.
Jiangsu Sutong Bridge
