In the widening and extension of Yonga’n Bridge in Fushun City the superstructure uses a precast assembly type steel truss concrete continuous composite beam with the length of m and the span arrangement of m+×0m+8× m+m.
In the widening and extension of Yonga’n Bridge in Fushun City the superstructure uses a precast assembly type steel truss concrete continuous composite beam with the length of m and the span arrangement of m+×0m+8× m+m.
抚顺市永安桥加宽扩建上部结构采用一联长 m ,预制安装式钢桁—混凝土连续组合梁 ,跨径布置为 m +× 0m +8× m + m。