最后，对板肋在垂直于其跨度方向上肋顶和肋底相对位移的数据进行了分析，这种肋顶和肋底的相对位移是由肋梁受扭产生的。
Finally, torsion rule of ribs is been found through anglicizing the relative data of displacement, which is caused by torsion of tip and bottom of ribs.
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。
Fabricating and demoulding of the base mould is a key during the course of construction for precast plate girder of highway bridge.
碳纤维板可以有效的改善梁底裂缝的分布形态。
The configuration of crack in the beam's bottom could be markedly improved.
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