steel box section columns 钢方管截面柱
To reduce the steel quantity and improve the stability of columns, a simplified method of selecting the section of box-section columns is presented.
箱形截面柱是高层钢结构建筑中的主要竖向构件，对柱截面的选择直接影响整个结构的用钢量。
Its steel superstructure, only 3.50 meters thick, consists mainly of a comparatively flat stiffened box section beam.
桥的上部结构为钢材，厚度仅为3.50米，主要由相对扁平的箱型截面梁组成。 好评（0）
On the prestressed concrete(PC) wide Box girder and the steel and concrete joint section of the bridge, the C55 high performance concrete is used.
鄂东长江大桥为混合梁斜拉桥，PC宽箱梁及钢-混凝土结合段采用C55高性能混凝土。
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