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。
So it is necessary to do some further researches in thin-walled box girder, especially in multichambered thin wall box girder.
因而对于大跨径箱梁桥特别是多室薄壁箱梁进行进一步的探索，是很有必要的。
Multichambered Thin-walled box girder is a hyperstatic structure, it is a difficulty to solve its hyperstatic unknown shearing flow.
多室薄壁箱梁是超静定结构，求解其超静定未知剪力流是一个难点。
The field transfer matrix and point matrix are derived, and the inner force, stress and deflection of thin-walled box girder are recursivly calculated.
提出一种薄壁箱梁剪力滞后分析的传递矩阵法，实现了连续箱梁桥位移、应力及内力的一维递推求解，给出了相应的场矩阵和点矩阵。
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。
Refer to the analysis ot the wide, thin-walled flat steel box girder, it need the space analysis with the general finite element program.
对于宽幅、薄壁的扁平型钢箱梁结构的分析，需借助通用有限元程序对结构进行空间分析。
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。
The influence of large deflection on the stress and displacement of the thin-walled box continuous girder with variable cross - sections depends on the load.
大挠度对变截面连续梁箱梁内力、位移的影响程度取决于荷载。
The influence of large deflection on the stress and displacement of the thin-walled box continuous girder with variable cross - sections depends on the load.
大挠度对变截面连续梁箱梁内力、位移的影响程度取决于荷载。
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