通过对钢管混凝土中外包钢管板件的屈曲弹性分析，目的在于研究钢管内填混凝土后钢板件的抗屈曲能力。
The major purpose of the paper was to investigate the resistance capability of plates to local buckling in concrete filled steel tube by elastic buckling analysis of steel plates.
实测资料表明，上下行并行的钢板梁桥在采用“两桥连接”加固以后，平联杆件的弯曲变形和断裂现象急剧增多。
Measured results indicate that the bend deformation and abruption phenomenon appears very quickly when the "two-bridge-junction" method is adopted in the parallel steel plate beam.
该模型将箱壳视为单层钢板，忽略了一些加强角铁等加强件。
Tank shells are considered the single layer and the reinforce iron plates are ignored in creating the model.
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