In this paper, the lateral vibration dynamic analysis model of continuous box girder viaduct is presented in which the bending, torsion and distortion of box girder can be considered.
本文提出了可以考虑箱形梁弯曲、扭转、畸变多种因素的梁-墩系统横向振动的动力分析模型。
Through measuring deflection and strain of test girders under loading, performances of this type of box girder, including bending, torsion and distortion are analyzed.
通过测试模型梁在静力荷载作用下的挠度和应变，来分析这种箱梁结构的弯曲、扭转和畸变等力学特性。
The adoption of the thin-walled box girder to the Y-shape bridge makes the restrained torsion effect, distortion effect and shear lag effect prominent.
人字形桥梁由于采用了薄壁箱梁结构，其约束扭转、畸变效应及剪力滞比较突出。
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