Thin-walled box girder is often used in bridge engineering.
箱形薄壁梁是桥梁工程中经常采用的结构。
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。
The essay deduces the formula of the high finite strip method analysis of the thin-walled curved box girder bridge and its program, then proves their correctness;
推导弯曲薄壁箱梁桥高阶有限条法分析的公式及程序，并验证其正确性。
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