To analyse the demand of transverse rigidity and the strengthening scheme of deck plategirder according to the raising speed experiment of the existing track.
通过既有线铁路提速试验，分析了上承钢板梁横向刚度的要求，提出合理的加固方案。
2
Fabricating and demoulding of the base mould is a key during the course of construction for precast plategirder of highway bridge.
公路桥梁预制钢筋混凝土板梁施工中，底模的制作及脱模是关键。
3
This paper introduce the calculational program of coping elevation for free plategirder curve bridge and resolve the handworked calculational defect, it will useful for improving work efficiency.