CN/ENThe design speed of Zhengzhou-Kai intercity railway is 200 kilometers per hour, and the line is a ballast track with a continuous beam span of 75 + 2106 + 75 meters. This continuous beam is a single box single chamber, straight web, variable height and variable section structure. The roof of the box beam is 12.2 meters wide and the bottom plate is 6.7 meters wide.
