From March 25 to 27, the No.3 and No.4 main pier caps of Chongqi Highway and Railway Yangtze River Bridge, the world's largest span double-tower double-cable plane highway and railway dual-purpose ballastless track cable-stayed bridge constructed by China Railway Major Bridge Engineering Group, began pouring for the first time on the same day and completed pouring on the same day. The plane dimension of a single bearing platform is 71.271m × 43.45m, with a height of 7.5m, and a total of 16,500m3 of concrete needs to be poured in three times.
