Coupling analysis method of finite element and infinite element is proposed to be used in the structural anti-seismic analysis of metro tunnel on the basis of soil-structure interaction theory.
在土体与结构动力相互作用理论的基础上，提出用有限元和无限元耦合分析法对地铁隧道结构进行抗震分析。
2
The researches of nonlinear finite element and experiment indicate that the effect of anti-shear which is aroused by the width of the joints' wing board.
通过试验以及非线性有限元研究发现：节点区翼缘板外伸宽度对节点抗剪性能的影响与梁柱抗弯刚度比有关。
3
Aluminum and titanium addition was favored to the mechanical properties improvement. Hardness was increased from HB202 to HB500 while anti-bending strength was improved 10% after adding alloy element.