辽宁省丹东市沙河口桥,系新近建成的国内最大跨径的钢筋混凝土中承式拱桥,采用无风撑中承式钢筋混凝土箱肋无铰拱结构。本文对该桥的设计及施工情况作了简介。 Shahekou Bridge, Dandong City, Liaoning Province, is the newly constructed span bridge with the largest span in China. It adopts a non-hinged arched archless reinforced concrete box rib structure. This article introduces the design and construction of the bridge.