flat steel box girder 扁平钢箱梁
flat hollow steel box girder 扁平空腹钢箱梁
flat steel box shaped girder 扁平钢箱梁
Flat Side Main Steel-box Girder 扁平边主钢箱梁
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。
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。
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