The main suspension gallows consist of a steel box beam, sitting on hydraulic jacks that support all the structure during concreting. 主吊架有一钢箱梁组成，坐落在液压千斤顶上，在浇注混凝土过程中支撑所有结构。
Some beneficial suggestions were raised for installing steel box girders with the cantilevering method. 对悬拼法钢箱梁安装提出了一些有益的建议。
