Runyang Yangtze River Highway Bridge, the national key project, is the main skeleton of Jiangsu Highway. It connects Tongjiang to Sanya, Beijing to Shanghai national main trunk line (Yihuai River expressway) in the north, and Shanghai to Chengdu national main trunk line (Shanghai-Nanjing expressway) in the south.
The Nancha main bridge is a single-hole, double-hinged steel box girder suspension bridge with a main span of 1490 meters, which ranks first in China and third in the world at that time. The maximum navigable net width under the bridge is 700 meters, and the maximum navigable net height is 50 meters, which can carry 50,000 ton Panama freighter.
The project of Runyang bridge plays an important role in the highway planning across the Yangtze River. Dnatronic has conduct static＆dynamic load test, modal test on it by using DE-918U Isolated Dynamic Signal Test and Analysis System, WW-826D Wireless Modal Test and Analysis System.
The completion of the bridge is of great significance to improve Jiangsu’s highway network structure and the transportation conditions of Zhenjiang and Yangzhou. Meanwhile, it strengthens the economic and cultural ties between these two cities, and accelerates the implementation of the development strategy of the Yangtze river delta economic belt with Shanghai pudong as the head.
