flat steel box girder

基本解释

Refer to the analysis ot the wide, thin-walled flat steel box girder, it need the space analysis with the general finite element program.
对于宽幅、薄壁的扁平型钢箱梁结构的分析，需借助通用有限元程序对结构进行空间分析。
With innovative structural characteristics and fine mechanical behavior, flat steel box girder is now the main structural style of large span bridges girders.
扁平钢箱梁具有新颖的结构特点和优良的受力性能，已成为现代大跨度桥梁加劲梁的主要结构形式。
Nanjing Third Yangzi River Bridge with its orthotropic plate streamlined flat steel girder box is the first supergiant cable-stayed bridge in china whose main tower is of steel structure.
南京长江三桥是我国首座主塔采用钢结构形式的特大型斜拉桥，主梁为正交异性板流线型扁平式钢箱梁。

扁平钢箱梁
In the past 20 years, with the development of long span bridge, the flat steel box girder was widely used.
近二十年来，随着我国大跨度桥梁的发展，扁平钢箱梁的应用也越来越广泛。