Use optimized computer design box type girder as main support grider.
△以计算机优化设计的箱形梁作为主承载梁。
The box type structure, cavity cannot antirust paint corrosion, in order to prevent moisture intrusion corrosion beam cavity, sealing the inner cavity of the main girder must keep.
箱型结构的主梁，内腔无法涂漆防锈蚀，为了防止水汽侵入腐蚀主梁内腔，必须保住主梁内腔的密封性。
Combined with the features of high-speed railways, this article makes a exploration of the type of organization in box girder transport and erection and performs an economic analysis.
结合高速铁路工程的特点，探讨了箱梁运架的施工组织方式，并作了经济分析。
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